The design of a precision bilaminar resonating transducer assembly tool

Battles, Amy E.; Linder, Benjamin; Chang, Kenneth W.; Slocum, Alexander H.

doi:10.1016/0141-6359(93)90107-l

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Positioning With Exact Constraint Devices1

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2004

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“…Kinematic couplings are one form of exact constraint devices. Designers of instrumentation and optical systems have used kinematic couplings for many years [4][5][6][7][8], but their application in manufacturing processes and machines is more recent [9,10]. In pallet positioning, we consider the two bodies to be the machine base and the pallet.…”

Section: Positioning With Exact Constraint Devicesmentioning

confidence: 99%

Precisely positioning pallets in multi-station assembly systems

Vallance

Morgan

Slocum

2004

Precision Engineering

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In multi-station assembly systems, common for mass-customization manufacturing strategies, the product being assembled is held in a fixture attached to a pallet, and the pallet is conveyed between workstations. In high-precision assembly systems, variation in the position of the pallet is one of the largest sources of variation within the error budget, reducing quality and yields. Conventional approaches to locating pallets use pins and bushings, and a method for predicting their repeatability is presented. This paper also presents an exact constraint approach using a split-groove kinematic coupling, which reduces variation in pallet location by an order of magnitude.

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