2004
DOI: 10.1016/j.precisioneng.2002.11.003
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Precisely positioning pallets in multi-station assembly systems

Abstract: 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. Th… Show more

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Cited by 24 publications
(10 citation statements)
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“…Machined V-grooves engage with the hemi-spherical contacts in the base of the phantom frame. Two are full hemispheres and two are half hemispheres, for a total of six points of contact; thus, the frame is exactly constrained to the base using a split-groove kinematic coupling [34,35]. This design provides reliable angular engagement, without wobble.…”
Section: Design and Fabricationmentioning
confidence: 99%
“…Machined V-grooves engage with the hemi-spherical contacts in the base of the phantom frame. Two are full hemispheres and two are half hemispheres, for a total of six points of contact; thus, the frame is exactly constrained to the base using a split-groove kinematic coupling [34,35]. This design provides reliable angular engagement, without wobble.…”
Section: Design and Fabricationmentioning
confidence: 99%
“…The pallet itself may have locating holes or pins, as illustrated in Figure 4, that assist with the accurate and repeatable positioning of it on the assembly station. Vallance et al [32] have presented a methodology for the exact positioning of pallets in multi-station assembly using split-groove kinematic coupling.…”
Section: The Principle Of Transferred Reconfigurabilitymentioning
confidence: 99%
“…The design concept and schematic of the groove layout is shown in Fig. 20a [37]. This design allows for greater tipping stability and also facilitates coupling rectangular pallets in transfer line machines often used in automated assembly systems.…”
Section: Split Groove Kinematic Couplingsmentioning
confidence: 99%