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# Double acting hacksaw using Scotch yoke mechanism By Uprndra Arya.....

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How to make
Double acting hacksaw using Scotch yoke mechanism
Iinn this presentation i will tell you how to make double acting hacksaw machime by Images
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### Double acting hacksaw using Scotch yoke mechanism By Uprndra Arya.....

1. 1. CONTENTS • INTRODUCTION • SCOTCH YOKE MECHANISM • DESIGN OF MACHINE • CALCULATE ROTATION OF MOTOR • CONSTRUCTION • STEP OF MAKING • WORKING VIDEO • COST PRICE • FUTURE SCOPE
2. 2. INTRODUCTION Double acting power hacksaw cuts two materials simultaneously by its scotch yoke mechanism, so the production rate increase twice then that of power hacksaw. Double acting power hacksaw works under by the scotch yoke mechanism. The scotch yoke mechanism converts the rotary motion into the reciprocating motion.
3. 3. SCOTCH YOKE MECHANISM The Scotch yoke (also known as slotted link mechanism) is a reciprocating motion mechanism, converting the linear motion of a slider into 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 part.
4. 4. Design of Machine Front View Top View Frame Dimension Length =1.21m Hight =0.91m Breath =0.68m Scotch Yoke Mechanism Outer Square Length =0.40m Breath 0.07m Inner Square Length =0.35m Breath =0.02m
5. 5. Calculate Rotation of motor Driven Pulley Driver Pulley AC Motor DATA: Motor Speed = 1440 rpm. Diameter of Driven Pulley = 0.348m. Diameter of Driver Pulley = 0.03810m. Calculate the speed of driven pulley: Pulley Diameter ratio =1:8 (Driver pulley : driven pulley) Driver pulley speed = motor speed * pulley D. ratio = 1440rpm*1/8 = 180rpm
6. 6. CONSTRUCTION BASE FRAME HACKSAW SHAFT & HOLLOW SECTION SHAFT PULLEY AC MOTOR PIPE VICE PLUMMER BLOCk BELT C CLAMP Main Part Use In Machine
7. 7. Step of Making 1- Material Cutting 2- Base welding 3- Leg Welding 4- Our Base Ready 5- Plummer block & pulley 6- S.Y. Mechanism Setting 7- Motor fit 8- Hacksaw fit
8. 8. 9- Vice Fit 10- C Clamp 11- Painting 12- Completed
9. 9. COST PRICE Sr. No. Name Specification Quantity Cost in Rupees 1 AC Motor 1440 Rpm Single phase 0.5 HP 1 2000 2 Pulley 12 inch & 1.5 inch 2 750 3 Plummer Block 25 mm 4 1000 4 V-Belt B 82 1 250 5 Pipe Vice & C Clamp 1, 2 1000 6 Hacksaw 12 Inch 2 200 7 Frame, Shaft, Other 2000
10. 10. FUTURE SCOPE 1- In the future we can use sensor for cooling 2- And also we can use sensor for stop motor after cute work piece 3- We can use Solar system for operate that machine 4- We can use gear for control speed that will help to cut fast work piece