By Harold Rothbart
The cam, used to translate rotary movement into linear movement, is a vital part of many periods of machines, similar to printing presses, cloth equipment, gear-cutting machines, and screw machines. Emphasizing computer-aided layout and production ideas, in addition to refined numerical regulate tools, this instruction manual permits engineers and technicians to make use of leading edge layout instruments. it's going to lessen time spent at the strategy planning stage and elevate productiveness and computer accuracy.
* Cam layout, manufacture, and dynamics of cams
* the newest computer-aided layout and production techniques
* New cam mechanisms together with robot and prosthetic purposes (20040601)
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Extra resources for Cam Design Handbook: Dynamics and Accuracy
This angle is important in cam design because it represents the steepness of the cam proﬁle, which if too large can affect the smoothness of the action. 26. 19 Cam nomenclature. 27a, the cam had a pressure angle of approximately 60 degrees. It can be seen that there is a strong possibility that clockwise rotation of the cam would not cause the translating follower to rise, but to jam against the guides and cause bending in the follower stem. Designers often empirically limit the pressure angle to 30 degrees or less for smooth cam-follower action.
For the designer, a list of computer software is in App. D. • Additional references include Jensen (1987), and Jones (1978). • For automotive camshaft design see Hubbard (2000). , “Design of Fully, Rotatable, Roller-Crank-driven Cam Mechanisms for Arbitrary Motion Speciﬁcations,” Mechanism and Machine Theory, 36: 445–467, 2001. , 1997. , Manchester, England, 1947. , Ft. , 2000. , Cam Design and Manufacture, Marcel Dekker, New York, 1987. , Cams and Cam Mechanisms, Institute of Mechanical Engravers, London, 1978.
The torque curve should be investigated in addition to the force distribution of the system. • Manufacturing methods and accuracy of cam cutting and inspection are of paramount importance in ensuring the anticipated performance of a system. Small surface errors that are imperceptible to the eye may produce high stress and vibrations in the follower linkages. 28. Production cam-operated press for sheet metal drawn parts (eyelets) for the cosmetic industry. ) (Courtesy Swanson Industies Mallory Industies, Farmington, Connecticut).