Understanding Mechanical Linkages in High-Performance Manufacturing
Explore the world of mechanical linkages, including the effects of friction on machine operation, operation of machine linkages, and the roles of cams and turnbuckles. Friction is discussed as a force affecting everyday tasks, while cams and camshafts are highlighted for their role in sewing machines and car engines. Turnbuckles are examined for their tension-adjusting capabilities. This course delves into the intricate details of mechanical linkages for production technicians.
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Presentation Transcript
Unit 39.1 Mechanical Linkages High-Performance Manufacturing Production Technician
Unit 39 Mechanical Linkages MSSC-OP2 elearning Effects of friction on machine operation Operation of machine linkages Cams Turnbuckles
What is Friction? Friction is the evil of all motion No matter which direction something moves in, friction pulls it the other way Friction is a force that appears whenever things rub against each other Friction is not all bad Has a lot to do with life Without it we could not walk Sit in a chair Climb stairs Use a mouse Stop a car http://www.youtube.com/watch?v=TkXAJHitPAY&feature=related
Operation of Machine Linkages Video of Simple Linkage System http://www.youtube.com/watch?v=3Fwga3StjQ8&NR=1&feature=fvwp
Cams Cams turn rotary motion into up-and-down motions. Cams allow machines to apply pressure at particular moments in the cam s cycle. They are used in sewing machines to push the needle and thread through material in regular patterns. When many cams are threaded together on a camshaft, they allow you to control the up and down movements of followers in particular sequences. Camshafts are used in car engines to open and close valves in sequence and control the flow of air, fuel and exhaust running through the engine.
Turnbuckles A turnbuckle, stretching screw or bottlescrew is a device for adjusting the tension or length of ropes, cables, tie rods, and other tensioning systems. It normally consists of two threaded eyelets, one screwed into each end of a small metal loop, one with a left-hand thread and the other with a right-hand thread. The tension can be adjusted by rotating the loop, which causes both eyelets to be screwed in or out simultaneously, without twisting the eyelets or attached cables.
Category: Manufacturing Process and Production Mechanical Linkages MSSC-OP2 Individual Work: Task: Logon and complete the assigned LAB
This course is 100% funded by the MoSTEMWINs $19.7 million grant from the U.S. Department of Labor, Employment and Training Administration (TAACCCT). The product was created by the grantee and does not necessarily reflect the official position of the U.S. Department of Labor. The Department of Labor makes no guarantees, warranties or assurances of any kind, express or implied, with respect to such information, including any information on linked sites and including, but not limited to, accuracy of the information or its completeness, timeliness, usefulness, adequacy, continued availability, or ownership. This MoWINs product was created by North Central Missouri College and is licensed under the Creative Commons Attribution 4.0 International License
