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Guide Pins

One way of aligning two parts is to use guide pins. Generally the pins are press fit into the first part and then are inserted into holes in the second part, thus aligning the two-part assembly. This Design Tip addresses the size and type of guide pins, the dimensioning of the guide pin holes including size, tolerance, perpendicularity and location, and the dimensioning of the clearance holes including size, tolerance, perpendicularity and location.

Get Acrobat Reader This Tip is available as an Adobe PDF file. In order to view it, you must have installed Adobe Acrobat or the free Adobe Acrobat Reader. To download the free reader, click the "Acrobat Reader" icon.

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