WORLD ASSOCIATION OF TECHNOLOGY …technologystudent.com/pdf14/POSTER_CRANKS1.pdfA QUICK RETURN...
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Transcript of WORLD ASSOCIATION OF TECHNOLOGY …technologystudent.com/pdf14/POSTER_CRANKS1.pdfA QUICK RETURN...
![Page 1: WORLD ASSOCIATION OF TECHNOLOGY …technologystudent.com/pdf14/POSTER_CRANKS1.pdfA QUICK RETURN MECHANISM CONVERTS ROTARY MOTION INTO RECIPROCATING MOTION. AS THE DISC ROTATES THE](https://reader031.fdocuments.us/reader031/viewer/2022011801/5afd90eb7f8b9a444f8da740/html5/thumbnails/1.jpg)
A QUICK RETURN MECHANISM CONVERTS ROTARY MOTION INTO RECIPROCATING MOTION. AS THE DISC ROTATES THE SLIDE MOVES FORWARDS AND BACKWARDS. THIS MECHANISM IS USED INSIDE A
SHAPING MACHINE.
By V.Ryan
PAWL
RATCHET WHEEL
SHAFT
WATER
CRANK SHAFT
A CRANK ACTS LIKE A LEVER, INCREASING MECHANICAL
ADVANTAGE
A RATCHET MECHANISM IS BASED ON A WHEEL THAT HAS TEETH AND A PAWL THAT FOLLOWS AS THE
WHEEL TURNS. AS THE RATCHET WHEEL TURNS, THE PAWL FALLS INTO THE 'DIP' BETWEEN THE TEETH. THE RATCHET WHEEL CAN ONLY TURN IN ONE DIRECTION -
IN THIS CASE ANTICLOCKWISE.
QUICK RETURN MECHANISM RATCHET MECHANISM
ROTARY TO LINEAR MOTION
POSTER - QUICK RETURN MECHANISM, RATCHET AND CRANK SHAFT.
This work is in preparation for the new Design and Technology GCSE and the Technical Awards.
The poster can be enlarged to suit a variety of sizes.
Download the PDF file at:
For detailed information and worksheets on mechanisms, go to:http://www.technologystudent.com/cams/camdex.htm
If you find the information and worksheets useful, consider joining the World Association of Technology Teachers.Join and follow us on Facebook at: https://www.facebook.com/groups/254963448192823/Video Channel: https://www.youtube.com/channel/UChMQUTuG1h9P__Ct8Jj3cVg
GO TO: http://www.technologystudent.com/cams/
camdex.htm FOR DETAILED INFORMATION ON MECHANISMS
www.technologystudent.com © 2017https://www.facebook.com/groups/254963448192823/WORLD ASSOCIATION OF TECHNOLOGY TEACHERS V.Ryan © 2017
www.technologystudent.com © 2017https://www.facebook.com/groups/254963448192823/WORLD ASSOCIATION OF TECHNOLOGY TEACHERS V.Ryan © 2017