The Proceedings of the JSME international conference on motion and power transmissions
Online ISSN : 2424-3043
2009
Session ID : MPT-07
Conference information
MPT-07 INTERGRATED CAM PROFILES ON DESIGN AND MACHINING FOR PLATE CAM MECHANISM WITH RECIPROCATING ROLLER FOLLOWER(MECHANICAL MOTION AND POWER TRANSMISSION SYSTEMS)
Lei LUJoong-ho SHINSoon-man KWONHyoungchul NAMLin LI
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Abstract
Plate cam mechanism can easily produce the positive and functional motions in contact of cam and follower. Generally cam mechanism is used in many fields of mechanical control, automation, and industrial machinery. To obtain the accurate motion of follower, the profile of cam must be designed and machined precisely. This paper proposes an instant velocity center method for the profile design and a biarc fitting method for the profile machining for plate cam mechanism with reciprocating roller follower. The key of this paper is the introduction of a hybrid system combined the design procedures and the manufacturing procedures. The main idea is that the minimum machining data are built by biarc curves fitted accurately from the design parameters. The radial direction angles toward biarc centers for the accurate biarc curve fitting can be defined directly by the contact angle of cam and follower roller given in the design procedures. An application of the proposed approach is verified the accurate shapes of a designed cam and a machining cam using the minimum NC data within a given machining tolerance.
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© 2009 The Japan Society of Mechanical Engineers
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