In this project work and effort has been made to develop a modernized multi way hacksaw machine and less stress full operation for cutting wood, metal and plastic materials. The aim of this work is to develop a hacksaw machine that will use a less effort to produce uniform cutting of PVC pipes, metals, wood. It is also done to show the performance difference between hand driven, pedal drive and multi way hacksaw machine. This model implies a conversion of rotary motion of swashplate to reciprocating motion of hacksaw blades, which is done by using Wobble Plate Mechanism. This motion is used for hacksaw machine; in this model we can operate multi hacksaws simultaneously. This model will overcome the traditional hacksaw machine which done material cutting of single piece at particular times interval and also fulfils the need of more material cutting accounts to mass production. This machine works significantly with minimum vibrations and jerks. Hence the purposed model of hacksaw machines will be welcomed by many industries due to compactness and efficiency. To achieve this goal the multi way hacksaw machine is developed.
This document presents the theoretical analysis and design of a multi-way power hacksaw machine. The proposed machine aims to overcome limitations of conventional single-cut hacksaw machines by enabling the simultaneous cutting of four metal bars. It utilizes a rotating disc connected via connecting rods and universal joints to four reciprocating hacksaw frames. Design calculations determine the required motor torque of 158.3 Nm can be provided by a 2HP motor. The multi-way design is expected to improve production rates for industries by reducing idle time between cuts. Future work may include automation of material feeding and frame lifting mechanisms.
This document describes a project report submitted for the degree of Bachelor of Engineering in Mechanical Engineering. The project involves the design and fabrication of a crankshaft-operated double hacksaw machine. The report includes an introduction outlining the objectives and justification of the project. It also provides a literature review on hacksaw machines and the types of hacksawing. The report then discusses the project methodology, components used, and working of the machine. It concludes with the results, discussion, and scope for future work. The overall aim is to develop an automated hacksaw machine that can cut multiple pieces simultaneously to improve productivity.
This project is on the design and construction of a solar power hacksaw machine for cutting of metal to different size and length with the help of solar hacksaw.
Works on the principle of slider-crank mechanism with flywheel, motor and a pulley attached to it.
1. The machine can solve the problem of time consumption.
2. Waste of resources in face of labor cost is reduced.
3. The machine can be used in the industry where it is manufactured, at the packaging sector.
4. And it is used as hardware in large quantity like in fabrication of machine
5. It provide alternative for industries aiming toward reducing human effort
6. It generates sustainable and practical automation solutions for the future industrial development.
This document provides an overview of hacksaw machines and their operation. It discusses the basic components and working principle of hacksaw machines. Specifically, it notes that hacksaw machines use removable blades with teeth to cut materials like metal pipes. It also discusses the different types of hacksaw machines, including gravity feed and hydraulic machines. Hydraulic machines are able to develop greater cutting forces. The document also briefly summarizes other sawing methods like band sawing and circular sawing that are alternatives to hacksaw cutting.
This document describes a prototype for an automatic four-way hacksaw machine. It works using a Scotch yoke mechanism to convert rotational motion from an electric motor into reciprocating motion that drives four hacksaw blades simultaneously. The main components are a frame, disc, connecting rods, hacksaw blades, motor, and belt. This design allows four pieces of material to be cut at once, improving productivity over single-blade hacksaw machines. Potential future improvements include adding automation controls using a microcontroller.
Design and fabrication of multiway hacksaw machine pptEshver chandra
In this project work and effort has been made to develop a modernized multi way hacksaw machine and less stress full operation for cutting wood, metal and plastic materials. The aim of this work is to develop a hacksaw machine that will use a less effort to produce uniform cutting of PVC pipes, metals, wood. It is also done to show the performance difference between hand driven, pedal drive and multi way hacksaw machine.
This document describes the design of a high speed 4-way hacksaw machine. The machine uses a scotch yoke mechanism powered by an electric motor to rapidly reciprocate four hacksaw blades, allowing it to cut four pieces of material simultaneously. It has advantages of higher production rate and lower cost compared to single-cut hacksaw machines. Potential applications are in engineering, construction, and workshop industries. Future work could involve modifying the design to allow variable speed control for cutting different materials.
This document presents the theoretical analysis and design of a multi-way power hacksaw machine. The proposed machine aims to overcome limitations of conventional single-cut hacksaw machines by enabling the simultaneous cutting of four metal bars. It utilizes a rotating disc connected via connecting rods and universal joints to four reciprocating hacksaw frames. Design calculations determine the required motor torque of 158.3 Nm can be provided by a 2HP motor. The multi-way design is expected to improve production rates for industries by reducing idle time between cuts. Future work may include automation of material feeding and frame lifting mechanisms.
This document describes a project report submitted for the degree of Bachelor of Engineering in Mechanical Engineering. The project involves the design and fabrication of a crankshaft-operated double hacksaw machine. The report includes an introduction outlining the objectives and justification of the project. It also provides a literature review on hacksaw machines and the types of hacksawing. The report then discusses the project methodology, components used, and working of the machine. It concludes with the results, discussion, and scope for future work. The overall aim is to develop an automated hacksaw machine that can cut multiple pieces simultaneously to improve productivity.
This project is on the design and construction of a solar power hacksaw machine for cutting of metal to different size and length with the help of solar hacksaw.
Works on the principle of slider-crank mechanism with flywheel, motor and a pulley attached to it.
1. The machine can solve the problem of time consumption.
2. Waste of resources in face of labor cost is reduced.
3. The machine can be used in the industry where it is manufactured, at the packaging sector.
4. And it is used as hardware in large quantity like in fabrication of machine
5. It provide alternative for industries aiming toward reducing human effort
6. It generates sustainable and practical automation solutions for the future industrial development.
This document provides an overview of hacksaw machines and their operation. It discusses the basic components and working principle of hacksaw machines. Specifically, it notes that hacksaw machines use removable blades with teeth to cut materials like metal pipes. It also discusses the different types of hacksaw machines, including gravity feed and hydraulic machines. Hydraulic machines are able to develop greater cutting forces. The document also briefly summarizes other sawing methods like band sawing and circular sawing that are alternatives to hacksaw cutting.
This document describes a prototype for an automatic four-way hacksaw machine. It works using a Scotch yoke mechanism to convert rotational motion from an electric motor into reciprocating motion that drives four hacksaw blades simultaneously. The main components are a frame, disc, connecting rods, hacksaw blades, motor, and belt. This design allows four pieces of material to be cut at once, improving productivity over single-blade hacksaw machines. Potential future improvements include adding automation controls using a microcontroller.
Design and fabrication of multiway hacksaw machine pptEshver chandra
In this project work and effort has been made to develop a modernized multi way hacksaw machine and less stress full operation for cutting wood, metal and plastic materials. The aim of this work is to develop a hacksaw machine that will use a less effort to produce uniform cutting of PVC pipes, metals, wood. It is also done to show the performance difference between hand driven, pedal drive and multi way hacksaw machine.
This document describes the design of a high speed 4-way hacksaw machine. The machine uses a scotch yoke mechanism powered by an electric motor to rapidly reciprocate four hacksaw blades, allowing it to cut four pieces of material simultaneously. It has advantages of higher production rate and lower cost compared to single-cut hacksaw machines. Potential applications are in engineering, construction, and workshop industries. Future work could involve modifying the design to allow variable speed control for cutting different materials.
This document describes a pedal-powered hacksaw metal cutter and washing machine. It uses the rotational energy from pedaling a bicycle to power both a hacksaw blade for cutting metal and a washing bucket. A dynamo generates power from the pedaling and charges a battery. The stored energy can then power a light or charge a phone. The design aims to productively use the energy from pedaling for metal cutting and washing tasks while eliminating the need for electricity.
This document provides information about a multi-way power hacksaw machine. It begins with an introduction that explains how this machine can cut four metal bars simultaneously, achieving high production rates. It then discusses the scotch yoke mechanism that converts linear motion to rotational motion. Various types of hacksaw machines are described, including power hacksaw machines, hydraulic hacksaw machines, circular band saw machines, and more. The construction of hacksaw machines is explained, covering components like the bed, saw frame, and drive system.
This document is a project report submitted by Satyendra Singh to Dr. A. P. J. Abdul Kalam Technical University for the degree of Bachelor of Technology in Mechanical Engineering. The report describes the design and development of an automatic four-way hacksaw cutting machine using a Scotch yoke mechanism. The machine is intended to allow for the uniform cutting of metal and other materials with less effort compared to traditional hacksaw machines. The report includes sections on the literature review, project methodology, design of parts, cost estimation, and future scope.
The document discusses grinding wheels and balancing of grinding wheels. It introduces grinding as a machining process that cuts or removes metal. It describes the different types of grinding wheels based on bonding material, grade, structure and shape. It also defines dynamic balancing as a process of rotating parts quickly to measure imbalance using equipment and static balancing as allowing free rotation of a part with minimal friction.
Broaching is a machining process where a broach tool with multiple cutting teeth is pushed or pulled through a workpiece to cut it into the desired shape. Broaching provides good dimensional accuracy and surface finish. There are different types of broaching machines like horizontal, vertical pull, continuous, and rotary table machines. Broaching is used to manufacture precision components like bearing caps, gears, and splines. It provides interchangeability but the initial costs of broaches and machines are high.
Report of design and development of multi purpose mechanical machine Jitendra Jha
This document describes a project report submitted by four students for their Bachelor of Engineering degree. It outlines the design, development and fabrication of a multi-purpose mechanical machine capable of drilling, cutting and shaping. The machine uses a Whitworth quick return mechanism powered by an electric motor to perform multiple operations simultaneously. It is a compact and low-cost machine that could be useful for industrial and domestic applications.
Methods of gear manufacturing include casting, hot rolling, stamping, powder metallurgy, extruding, coining, and machining. Machining involves the formed tooth process using milling, broaching, or shaping machines, as well as the template and generating processes. The generating process creates gear teeth through relative motion between the gear blank and cutter, and can be done through planing with an involute rack cutter, hobbing with rotating hob cutters, or shaping using a reciprocating pinion-shaped cutter. Hobbing is well-suited for mass production as it cuts multiple teeth simultaneously through continuous meshing of the hob and gear blank.
The apron is a part of a lathe that is clamped to the saddle. It provides power and hand feed to both the carriage and cross slide. The apron also provides power feed to the carriage during thread cutting via two half nuts. It uses mechanisms like hand wheels, levers, racks, pinions, worms, and worm gears to enable both hand and power feeds to the carriage and cross slide.
Specifications of lapping, honing and broaching machineKaran Prajapati
This slide is prepared with the collective effort of Karan Prajapati, Athar Kothawal, Yudhishthir Ramnani and Samiraj Anupam who are doing B.Tech in Mechanical Engineering at School of Technology, Pandit Deendayal Petroleum University. The presentation describes the main terms of specifications in lapping, honing and broaching machines and also explaining the respective manufacturing processes. These machines are used for super-finishing processes.
This document summarizes the design and manufacturing of an auto-feed hydraulic cutting machine. The machine was designed to be low-cost and suitable for small-scale industries to automate the process of cutting thick sheet metal. Key aspects discussed include identifying requirements through market surveys of industries, designing and building the hydraulic and feeding systems, addressing challenges encountered during manufacturing and testing like component leakage, and concluding that the final machine eliminated labor, reduced human effort, and increased production rates.
This document describes the key components and geometry of a single point cutting tool. A single point cutting tool has a shank that fits into the tool holder, a face along which chips slide upwards, and two cutting edges - a side cutting edge and an end cutting edge where material is removed. It also has flank surfaces below the cutting edges and a nose or cutting point where the edges intersect. The document outlines the various angles of a single point cutting tool, including the end cutting edge angle, side cutting edge angle, back rake angle, and relief angles, which are important for tool function. Tool shape is specified using a signature that lists the numerical values of these angles and the nose radius.
The document is a project report on a motorized Scotch yoke mechanism. It includes sections on the construction, mobility/degrees of freedom, working, advantages/disadvantages, and applications of the Scotch yoke mechanism. The mechanism converts rotational motion from a DC motor into reciprocating linear motion using a rotating crank, sliding yoke with slot, and connecting rod. It has applications in pumps, control valves, and some engine designs. The report also includes diagrams of the mechanism and references used.
This document provides information about milling machines and milling operations. It describes the major parts and differences between horizontal and vertical milling machines. Various milling operations like face milling, end milling and slot milling are explained along with principles of up and down milling. Different types of milling cutters are classified and their applications discussed. Specifications of milling machines like worktable size, movements in X, Y and Z directions and motor power are also covered.
This document provides an overview of lathe machine operations, including the principle of how lathe machines work, different types of lathe machines, and various operations that can be performed on a lathe such as turning, taper turning, facing, knurling, thread cutting, and drilling. It explains that in a lathe machine, the workpiece is held by a chuck and rotated while a tool is fed against the workpiece. The document also describes different types of lathe machines such as engine lathes, turret lathes, single and multiple spindle automatic lathes, tracer lathes, and computerized numerically controlled lathes.
This document is a project report submitted by Indranil Mukherjee for their Bachelor of Technology degree in Mechanical Engineering. It outlines the development of a 360 degree flexible drilling machine. Key points include:
- The report includes sections on the drilling process, literature review on drilling optimization, components and specifications of the developed drilling machine, and future applications.
- The flexible drilling machine allows drilling holes horizontally, vertically, or upside down, making it possible to drill in complicated parts and surfaces. It uses rotating hinges, connectors, a motor mount and supporting structure.
- The machine possesses a radial arm with the drilling head that can swing and move vertically, allowing drilling in various positions from a single
This document describes the components and workings of a pneumatic sheet cutting machine. The key components are a pneumatic cylinder, 5/2 direction control foot valve, shearing blade, frame, and air circulating devices. The pneumatic cylinder uses compressed air to move the piston rod and shearing blade in two directions. The 5/2 direction control foot valve controls the direction of air flow to move the cylinder in forward and reverse. Compressed air is stored in an air receiver and distributed through piping to power the cylinder while minimizing pressure drops.
The document proposes the design and fabrication of a multi-four way hack saw machine. It aims to develop a machine that can cut materials like metal bars, plastic pipes, and wood pieces at high speed and in large quantities simultaneously. The machine would use a metal frame, AC motor, circular disc, connecting rods, hacksaw blades and vice to cut up to four workpieces simultaneously. This design would help industries and workshops improve production efficiency and output. A methodology is presented covering data collection, materials used, equipment, and the model design which incorporates a frame, mounted hacksaw blades, circular cam plate, motor, connecting rods and vice.
This document describes the design and fabrication of a double acting hacksaw machine using a scotch yoke mechanism. The machine uses an electric motor connected to a pulley via a V-belt to power the scotch yoke and drive the reciprocating motion of two hacksaw blades. This allows the machine to cut two parts simultaneously. The document outlines the key components, working principle, advantages, applications and concludes that the hacksaw machine is lighter, more affordable and easier to operate than other designs. It suggests the future scope of varying the motor speed to cut different metals at various speeds.
This document describes a pedal-powered hacksaw metal cutter and washing machine. It uses the rotational energy from pedaling a bicycle to power both a hacksaw blade for cutting metal and a washing bucket. A dynamo generates power from the pedaling and charges a battery. The stored energy can then power a light or charge a phone. The design aims to productively use the energy from pedaling for metal cutting and washing tasks while eliminating the need for electricity.
This document provides information about a multi-way power hacksaw machine. It begins with an introduction that explains how this machine can cut four metal bars simultaneously, achieving high production rates. It then discusses the scotch yoke mechanism that converts linear motion to rotational motion. Various types of hacksaw machines are described, including power hacksaw machines, hydraulic hacksaw machines, circular band saw machines, and more. The construction of hacksaw machines is explained, covering components like the bed, saw frame, and drive system.
This document is a project report submitted by Satyendra Singh to Dr. A. P. J. Abdul Kalam Technical University for the degree of Bachelor of Technology in Mechanical Engineering. The report describes the design and development of an automatic four-way hacksaw cutting machine using a Scotch yoke mechanism. The machine is intended to allow for the uniform cutting of metal and other materials with less effort compared to traditional hacksaw machines. The report includes sections on the literature review, project methodology, design of parts, cost estimation, and future scope.
The document discusses grinding wheels and balancing of grinding wheels. It introduces grinding as a machining process that cuts or removes metal. It describes the different types of grinding wheels based on bonding material, grade, structure and shape. It also defines dynamic balancing as a process of rotating parts quickly to measure imbalance using equipment and static balancing as allowing free rotation of a part with minimal friction.
Broaching is a machining process where a broach tool with multiple cutting teeth is pushed or pulled through a workpiece to cut it into the desired shape. Broaching provides good dimensional accuracy and surface finish. There are different types of broaching machines like horizontal, vertical pull, continuous, and rotary table machines. Broaching is used to manufacture precision components like bearing caps, gears, and splines. It provides interchangeability but the initial costs of broaches and machines are high.
Report of design and development of multi purpose mechanical machine Jitendra Jha
This document describes a project report submitted by four students for their Bachelor of Engineering degree. It outlines the design, development and fabrication of a multi-purpose mechanical machine capable of drilling, cutting and shaping. The machine uses a Whitworth quick return mechanism powered by an electric motor to perform multiple operations simultaneously. It is a compact and low-cost machine that could be useful for industrial and domestic applications.
Methods of gear manufacturing include casting, hot rolling, stamping, powder metallurgy, extruding, coining, and machining. Machining involves the formed tooth process using milling, broaching, or shaping machines, as well as the template and generating processes. The generating process creates gear teeth through relative motion between the gear blank and cutter, and can be done through planing with an involute rack cutter, hobbing with rotating hob cutters, or shaping using a reciprocating pinion-shaped cutter. Hobbing is well-suited for mass production as it cuts multiple teeth simultaneously through continuous meshing of the hob and gear blank.
The apron is a part of a lathe that is clamped to the saddle. It provides power and hand feed to both the carriage and cross slide. The apron also provides power feed to the carriage during thread cutting via two half nuts. It uses mechanisms like hand wheels, levers, racks, pinions, worms, and worm gears to enable both hand and power feeds to the carriage and cross slide.
Specifications of lapping, honing and broaching machineKaran Prajapati
This slide is prepared with the collective effort of Karan Prajapati, Athar Kothawal, Yudhishthir Ramnani and Samiraj Anupam who are doing B.Tech in Mechanical Engineering at School of Technology, Pandit Deendayal Petroleum University. The presentation describes the main terms of specifications in lapping, honing and broaching machines and also explaining the respective manufacturing processes. These machines are used for super-finishing processes.
This document summarizes the design and manufacturing of an auto-feed hydraulic cutting machine. The machine was designed to be low-cost and suitable for small-scale industries to automate the process of cutting thick sheet metal. Key aspects discussed include identifying requirements through market surveys of industries, designing and building the hydraulic and feeding systems, addressing challenges encountered during manufacturing and testing like component leakage, and concluding that the final machine eliminated labor, reduced human effort, and increased production rates.
This document describes the key components and geometry of a single point cutting tool. A single point cutting tool has a shank that fits into the tool holder, a face along which chips slide upwards, and two cutting edges - a side cutting edge and an end cutting edge where material is removed. It also has flank surfaces below the cutting edges and a nose or cutting point where the edges intersect. The document outlines the various angles of a single point cutting tool, including the end cutting edge angle, side cutting edge angle, back rake angle, and relief angles, which are important for tool function. Tool shape is specified using a signature that lists the numerical values of these angles and the nose radius.
The document is a project report on a motorized Scotch yoke mechanism. It includes sections on the construction, mobility/degrees of freedom, working, advantages/disadvantages, and applications of the Scotch yoke mechanism. The mechanism converts rotational motion from a DC motor into reciprocating linear motion using a rotating crank, sliding yoke with slot, and connecting rod. It has applications in pumps, control valves, and some engine designs. The report also includes diagrams of the mechanism and references used.
This document provides information about milling machines and milling operations. It describes the major parts and differences between horizontal and vertical milling machines. Various milling operations like face milling, end milling and slot milling are explained along with principles of up and down milling. Different types of milling cutters are classified and their applications discussed. Specifications of milling machines like worktable size, movements in X, Y and Z directions and motor power are also covered.
This document provides an overview of lathe machine operations, including the principle of how lathe machines work, different types of lathe machines, and various operations that can be performed on a lathe such as turning, taper turning, facing, knurling, thread cutting, and drilling. It explains that in a lathe machine, the workpiece is held by a chuck and rotated while a tool is fed against the workpiece. The document also describes different types of lathe machines such as engine lathes, turret lathes, single and multiple spindle automatic lathes, tracer lathes, and computerized numerically controlled lathes.
This document is a project report submitted by Indranil Mukherjee for their Bachelor of Technology degree in Mechanical Engineering. It outlines the development of a 360 degree flexible drilling machine. Key points include:
- The report includes sections on the drilling process, literature review on drilling optimization, components and specifications of the developed drilling machine, and future applications.
- The flexible drilling machine allows drilling holes horizontally, vertically, or upside down, making it possible to drill in complicated parts and surfaces. It uses rotating hinges, connectors, a motor mount and supporting structure.
- The machine possesses a radial arm with the drilling head that can swing and move vertically, allowing drilling in various positions from a single
This document describes the components and workings of a pneumatic sheet cutting machine. The key components are a pneumatic cylinder, 5/2 direction control foot valve, shearing blade, frame, and air circulating devices. The pneumatic cylinder uses compressed air to move the piston rod and shearing blade in two directions. The 5/2 direction control foot valve controls the direction of air flow to move the cylinder in forward and reverse. Compressed air is stored in an air receiver and distributed through piping to power the cylinder while minimizing pressure drops.
The document proposes the design and fabrication of a multi-four way hack saw machine. It aims to develop a machine that can cut materials like metal bars, plastic pipes, and wood pieces at high speed and in large quantities simultaneously. The machine would use a metal frame, AC motor, circular disc, connecting rods, hacksaw blades and vice to cut up to four workpieces simultaneously. This design would help industries and workshops improve production efficiency and output. A methodology is presented covering data collection, materials used, equipment, and the model design which incorporates a frame, mounted hacksaw blades, circular cam plate, motor, connecting rods and vice.
This document describes the design and fabrication of a double acting hacksaw machine using a scotch yoke mechanism. The machine uses an electric motor connected to a pulley via a V-belt to power the scotch yoke and drive the reciprocating motion of two hacksaw blades. This allows the machine to cut two parts simultaneously. The document outlines the key components, working principle, advantages, applications and concludes that the hacksaw machine is lighter, more affordable and easier to operate than other designs. It suggests the future scope of varying the motor speed to cut different metals at various speeds.
This document provides an overview of a mini project on designing and fabricating a mini bench saw machine. It includes an abstract, block diagram, introduction, objectives, parts used, working principle, result, and conclusion. The project aims to demonstrate an efficient mini bench saw model using an electric motor to power and mount various blades for cutting. It describes the motor, saw blade, spring, switch, and supporting frame components. The working principle explains how the rotating blade is mounted on a swinging arm to cut wood pieces placed on the base. The result is straight and desired cutting of different materials. The conclusion discusses the advantages of this bench saw over conventional sawing methods.
This document describes the design and fabrication of a manually operated, four-way hacksaw cutting machine. It aims to increase production efficiency by allowing four pieces of metal to be cut simultaneously. The design converts the rotary motion of a handle into reciprocating motion for four hacksaw blades. This overcomes limitations of conventional single-cut hacksaw machines. The design is intended to improve compatibility, reliability and efficiency for metal cutting applications in various industries.
The document describes an electromagnetic braking system that uses magnetic drag force principles as an alternative to conventional braking systems. It aims to address shortcomings of other brakes. A finite element model is developed to analyze magnetic flux density under different conditions. This helps facilitate the design of magnetic braking systems and improves performance metrics like operation speed, accuracy, cost, and maintenance over other brakes.
This document presents a pedal-powered vertical hacksaw machine designed and fabricated by 4 students for their mechanical engineering design project. The objectives of the project were to develop sustainable automation solutions for industry. The machine uses a slider crank mechanism powered by pedals to convert rotational motion into reciprocating motion for cutting. It consists of a pedal arrangement, supporting frame, crank and slider mechanism, and hacksaw assembly connected by sprockets and chains. The working principle is that pedaling rotates sprockets which drive the crank and slider to move the hacksaw back and forth for cutting. The conclusion is that the machine performs the required cutting task efficiently with minimal manual stress or maintenance requirements.
This project is done by the mechanical diploma engineering student of tssm's bscoer poly., pune
design and development of multipurpose mechanical machine
last year project-2017-18
it is the best project for the engineering student for the last year by modification as per the need
This document presents a pedal-powered vertical hacksaw machine designed and fabricated by 4 students at Nandha College of Technology under the supervision of Mr. N. Viswanathan. The objectives are to provide sustainable automation solutions for industry by reducing human effort. It uses a slider crank mechanism to convert the rotary motion of pedaling into reciprocating motion of the hacksaw blade. The components include a pedal arrangement, supporting frame, crank and slider mechanism, and hacksaw assembly. When the pedals are powered, the rotating disc moves the connecting rod and hacksaw blade in a sawing motion. The concluded that the machine is useful for small-scale industrial and household tasks without needing an electric motor.
This document summarizes the design and development of a multi-operation machine capable of performing shaping, cutting, and grinding operations simultaneously. The machine uses a scotch yoke mechanism and belt and pulley system to transmit power from an electric motor to rotating cutting, grinding, and shaping tools. The objectives are to reduce production time and costs for manufacturing industries by enabling multiple machining operations to occur at once. Components of the machine include an electric motor, pulleys, belts, cutting tool, cutting wheel, and grinding wheel. Calculations are provided for the cutting and material removal rates of the different operations.
High power four way hacksaw machine with modificationAnil Prabhakar
This document provides details on modifying the mechanism of a four-way hacksaw machine to increase production rates by minimizing idle time. It discusses using a scotch-yoke mechanism to drive four hacksaw blades simultaneously with a single motor. This would allow cutting of different metal materials at a higher rate and with improved accuracy. The objective is to save labor and time in cutting materials to achieve high productivity. Modifications to the scotch-yoke mechanism and addition of components like a dual scotch-yoke, hacksaw frames, and material holding vice are proposed and explained.
Abstract:This Kinematic linkage of internal cylindrical surface is need for cutting the elliptical as well as cylindrical surface .The cost required for these type of machines is less as compared the conventional milling machine. Kinematic linkage mechanism is based on four bar linkage mechanism is converted into internal cylindrical boring & shape. Double worm drive is used to drive the worktable in circular manner as well as elliptical manner. Worm gear pair ensure that is zero backlash. Adjustable crank mechanism is used for increase the range or the radius of circle traced by the worktable .speed required for machine can easily vary by using speed regulator for large plant but small plant we can easily change the motor.
This document describes the design and construction of a pedal-powered hacksaw cutting machine. It uses a slider crank mechanism to convert the rotary motion of a flywheel into the reciprocating motion of the hacksaw blade during pedaling. The machine was tested and found to have an ideal mechanical advantage of 0.5, a power output of 5.72KW, and an efficiency of 76.9%, making it adequate for cutting materials like wood, metal, and plastic. It can serve as both a cutting tool and exercise machine. The document provides details on the design calculations and components of the machine.
This document presents a project on developing a motorized four-way hacksaw mechanism. The mechanism uses a scotch yoke mechanism to convert rotational motion to reciprocating motion to power four hacksaws simultaneously. This allows cutting of four pieces at once without jerks or vibrations, improving productivity over single hacksaw machines. The multi-directional cutting mechanism overcomes limitations of conventional single-direction hacksaw machines and can benefit small industries by improving efficiency and reducing machine idle time during production.
IRJET- Design, Static, and Modal Analysis of High Speed Motorized Milling Spi...IRJET Journal
This document describes the design, static analysis, and modal analysis of a high-speed motorized milling spindle. It aims to optimize parameters that influence the spindle, which runs at 14,000 rpm with 15 kW power rating. Static deflection analysis is performed to check spindle stiffness. Modal analysis using ANSYS characterizes the spindle's dynamic behavior under different vibration modes to analyze system behavior and obtain natural frequencies and mode shapes. The document discusses the components of the spindle assembly, including the housing, shaft, bearings, and motor materials. It outlines the objectives to design and analyze the spindle using theoretical calculations, FEA, and comparing results to select the optimal design.
IRJET- Impact of Ground Water on Forest Productivity in Haliyal Taluka using ...IRJET Journal
This document describes the design, static, and modal analysis of a high-speed motorized milling spindle. It discusses the objectives of optimizing parameters that influence the spindle running at 14,000 rpm with 15 kW power rating. Static deflection analysis is performed to check spindle stiffness. Modal analysis using ANSYS characterizes the spindle's dynamic behavior under different vibration modes to analyze natural frequencies and mode shapes. Three bearing arrangements are considered with varying span lengths and analyzed theoretically and using ANSYS to determine the optimal design.
IRJET - Design, and Manufacturing of Automatic Sheet Metal Bending MachineIRJET Journal
This document describes the design, development, and manufacturing of an automatic sheet metal bending machine. It aims to address limitations of existing manual and small-scale bending machines by developing an automated machine using a hydraulic system. Key aspects covered include:
1. Conducting research to identify problems with existing machines like high costs and difficulty bending small parts.
2. Designing and calculating components like the hydraulic press, beams to support bending forces, and selecting an appropriate motor.
3. Developing a 3D model and describing the construction of the machine.
4. Discussing future improvements like adding automation and increasing the bending capacity.
5. Concluding the hydraulic cylinder approach makes the machine simpler and
This document describes a system for generating electricity from human footstep power. The system uses a rack and pinion mechanism to convert the force of footsteps into rotational motion. A shaft connected to bearings transfers this rotational motion to a DC generator, which produces electricity. The electricity is stored in a lead-acid battery. An inverter then converts the DC power to AC power, which is stepped up to 220V using a transformer. The system is intended to capture wasted energy from foot traffic in places like footpaths and train stations to power lights or other devices. It provides a renewable energy source that does not pollute and can generate power continuously in populated areas.
The document describes an experimental investigation of a pedal-driven hacksaw. The pedal-driven hacksaw was designed, fabricated, and its performance was compared to a hand hacksaw. It uses a slider crank mechanism powered by pedaling a bicycle. As the pedals turn, a reciprocating rod moves a hacksaw blade back and forth to cut plywood workpieces. Experiments tested the relationship between cutting depth, strokes per minute, and pedaling speed. Results showed the pedal-driven hacksaw produced a 17mm cutting depth at 100 rpm and offered more accurate and faster cuts than a hand hacksaw. The pedal-driven hacksaw provides a low-cost option for cutting that does not require electricity or
This document describes the design of an automatic hacksaw machine. It contains sections on the working principle, power transmission using V-belts, a list of components including an AC motor, ball bearings, flywheel and pulley, a mechanical analysis of torque and speed ratios, design specifications and materials, and a cost estimation. The machine is designed to reduce the time and labor costs of manual hacksawing by automating the reciprocating motion. It provides the advantages of being easy to use, automatic, able to maintain consistent cutting parameters, and economical compared to manual labor. Limitations include an inability to cut larger diameters or be used for mass production.
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Design and fabrication of multi way hacksaw machine REPORT
1. A
Major project synopsis on
DESIGN & FABRICATION OF MULTI WAY
HACKSAW MACHINE
Session 2016
SUBMITTED BY - SUBMITTED TO
ESHVER CHANDRA- 131116244 DR RAJESH PUROHIT SIR
ALOK KUMAR- 131116284 (Assistant professor, Mechanical
AMIT KUMAR -131116232 engineering dept., MANIT, Bhopal)
RAHUL NIGAM- 131116302
UNDER THE GUIDANCE OF
DR. AMIT TELANG
(Professor, Mechanical Engineering Dept., MANIT, Bhopal)
2. ABSTRACT
In this project work and effort has been made to develop a modernized multi
way hacksaw machine and less stress full operation for cutting wood, metal
and plastic materials. The aim of this work is to develop a hacksaw machine
that will use a less effort to produce uniform cutting of PVC pipes, metals,
wood. It is also done to show the performance difference between hand
driven, pedal drive and multi way hacksaw machine. This model implies a
conversion of rotary motion of swashplate to reciprocating motion of hacksaw
blades, which is done by using Wobble Plate Mechanism. This motion is used
for hacksaw machine; in this model we can operate multi hacksaws
simultaneously. This model will overcome the traditional hacksaw machine
which done material cutting of single piece at particular times interval and also
fulfils the need of more material cutting accounts to mass production. This
machine works significantly with minimum vibrations and jerks. Hence the
purposed model of hacksaw machines will be welcomed by many industries
due to compactness and efficiency. To achieve this goal the multi way hacksaw
machine is developed.
INTRODUCTION
A Hacksaw is a fine tooth saw with a blade under tension in frame used for
cutting material such as metal, palastic pipes etc. The demand of hacksaw
blade is considerably increasing day by day with the growth of
industrialization, engineering sector, automobile sector etc. It is used in almost
every sector for cutting of material like angels, channels, flat plate, rods and
such other things, it is also required in auto repairing shop, fitting shops,
welding shops and technical institutes. Hand held hacksaw consist of a metal
frame with a handle and pin for attaching a narrow disposal blade, a screw or
other mechanism is used to put the thin blade under tension. Hacksaw blade
cutting is a conventional machining process which works on the principle of
metal cutting, where harder material which is tooth of the blades cuts the
relatively softer material as per need. A power hacksaw is a type of hacksaw
that is powered by electric motor.
3. LITERATURE SURVEY
The vast review of literature will help to understand the concepts, theorems
and different factors affecting the performanceof machine
A. Dharwa ChaitanyaKirtikumar:-
In this paper we study about the designed and developed a multipurpose
machine which does not require electricity for several operations this is a
human powered machine runs on chain drives mainly with human efforts. But
if you wanted to operate this machine by electric power this machine can also
does that. It has some special attachment so use both human power as well as
electric power. The design is idle for use in the developing world because it
doesn’t require electricity and can be built using metal base, chain, pulley,
rubber belt, foot pedal electric motor, chain socket.
B. R. Subash , K Samuel Jayakaran :-
In this paper author has designed pedal operated hacksaw machine which can
be used for industrial applications and households needs in which no specific
input energy or power is needed. This project consists of sprocket
arrangement, crank and slider mechanism, and chain drive. In the mechanism,
chain derive is directly connected to the hacksaw for the processing of cutting
the wooden blocks. The objective of the paper is using the conventional
mechanical process which plays a vital role. The main aim is to reduce the
human effort for machining various materials such as wooden blocks, steel,
PVC, etc.
C. Prof. Nitinchandra, R. Patel, Ravi Thakkar:-
In his paper “Material Selection And Testing Of hacksaw Blade Based On
Mechanical Properties” stated that the appropriate saw blade must be
selected for better operation and fine cutting by selecting number of teeth per
inch. There are four blades based on materials namely listed below:-
1. High Carbon Steel
2. Alloy Steel
3. Bi-Metallic Strip
4. High Speed Steel
Out of this four best suitable for cutting hard materials like mild steel bar and
aluminium is bimetallic blade on the basis of properties of materials, wear
resistance and cutting performance
4. Methodology
ScotchYoke Mechanism
DC Motor
Crank and Slider Mechanism
ScotchYoke Mechanism:-
The Scotch Yoke Mechanism also known as slotted link mechanism is a
reciprocating motion mechanism converting the linear motion of a slider into a
rotational motion or vice versa. The piston or other reciprocating part is
directly coupled to a sliding yoke with a slot that engages a pin on the rotating
parts. The location of the piston versus time in a sine waveof constant
amplitude, and constantfrequency given a constant rotational speed. The
scotch yoke is a mechanismfor converting the rotational motion of crank in
linear motion of slider. The reciprocating partis directly coupled to sliding yoke
with a slot that engages a pin on the rotating part.
DC Motor:-
A DC motor is any of a class of electrical machines that converts direct current
electrical power into mechanical power. The most common types relay on the
forces produced by magnetic fields. Nearly all types of DC motor have some
internal mechanism, either mechanical or electrical. To periodically change the
direction of currentflow in part of the motor. Most type’s produces rotary
motion; linear motor directly produces forces and motion in a straightline.
Crank and Slider Mechanism:-
A crank is an arm attached at right angles to a rotating shaftby which
reciprocating motion is imparted to or received from the shaft. Itis used to
5. convertcircular motion into reciprocating motion or vice versa. Theslider
crank mechanismis used to transform rotational motion into transitional
motion by means of rotating driving beam, a connecting rod and sliding body.
Proposed Methodology
This projectconsists of single phasevertical electric motor rigidly placed at the
centre of metallic foundation provided. The circular disc is mounted on the
shaftof motor with the help of key and key slot arrangement. The eccentric
point on the plane of disc is provided such that the desired cutting strokeis
achieved (around 4-5 inches). Oneend of each connecting rod is pivoted at this
eccentric point by the useof suitable bearing. Another end of each help of
universaljoint to get vertical and horizontalDegree of Freedom of rotation for
the proper cutting operation. The hacksaw frameslides on the guide ways
provided. When motor is ON and disc starts rotating, due to the reciprocating
motion of hacksaw framethe metal rod is cut which is firmly fixed in vice.
MACHINE SET UP
Components:
Base (Foundation)
Hacksaw Frame
Hacksaw Blade
Guide Ways
Crank Wheel
6. Holding Vice
DC Motor
Supporting Blocks
Work Plan
Study and selection of mechanisms according to the specific functions of
machine.
CAD modelling of proposed design by using solidworks.
Define approximate or appropriatedimensions of elements of model.
Select suitable material for it.
Modify dimensions of assembly for fabrication.
Fabrication of base frameusing welded and bolted joints.
EXPECTED OUTCOME
This model will overcomethe limitations of conventional hacksaw machine
which can only cut single piece at a time. Itwill be able to cut different metal
bars and wooden bars simultaneously and will be helpful in many small scale
industries , domestic work and workshopsdueto its compatiability, reliability
and efficiency at affordableprice
By increasing the motor power and dimensions of eccentric cam the sizeof
material to be cut can be increased.
By using limit switches or sensors Automatic feeding mechanism for material
can be introduced.
Automatic lifting up mechanismfor frame when cutting operation can be by
using hydraulic piston and cylinder.
REFERENCES
D.V.Sabarinanda, V.Siddhartha, B. SushilKrishnana, T.Mohanraj , “Design
and Fabrication of Automated Hacksaw Machine”, InternationalJournal
of InnovativeResearch in Science, Engineering and Technology, ISSN
(Online): 2319-8753, volume3, April2014.
S.G. Bahaley, Dr. Awate A.V, ”PerformanceAnalysis Of PedalPowered
MultipurposeMachine”, IJERT, Volume-1, Issue-5, July- (2012).
Dharwa Chaithanya Kirthikumar, “A Research on Multi purpose
machine” , international Journal for Technological Research in
Engineering Volume (1), 2013.
7. R. Subhash, C.M. Meenakshi, K. Samuel Jayakaran, C. Venkateswaran, R.
Sasidharan, “Fabrication pedalpowered hacksaw using dualchain drive”,
InternationalJournalof Engineering and Technology, ISSN: 220-223,
volume 3, Issue2,2014.
T. Mohanraj, V. Siddhartha, ”Design And Fabrication Of Automated
Hacksaw Machine”, IJIRSET, Volume-3, Issue-2, April-(2014).
Rathod Nayan J, Halaye Prashant, ”Theoretical Analysis Of Multipurpose
Hacksaw Machine”,IJRAT,Volume-3,April-(2015).
Prof. K. PrashantR, Rathod Nayan, Rahate Prashant, Halaye Prashant,
“Theoretical Analysis of Multi-Way Power Hacksaw Machine”,
InternationalJournalof Research in Advent Technology, Vol.3, No.4,
April 2015 E-ISSN: 2321-9637.
Stephen Tambari, Ayejah Victor.”Study On The Design And Construction
of Pedal Power Hacksaw Machine”, IISN:-2320-334X, Volume-12, July-
August-(2015).
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