George Schuetz Director of Precision Gages
Look Into My Stylii: Care Of Surface Finish Contacts
Proper care of contact points is one of the basic considerations in gaging. Whether you're using a simple indicator gage or a sophisticated surface finish instrument, much depends on the condition of the sensitive contact point, which is the interface between the gage and the workpiece.
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Gaging Distance Between Hole Centers
Many of the gaging applications we've considered over the years involve size inspection of a single feature, that is, the diameter of a hole, depth of a groove, height of a gage block, and so on. Many parts, however, contain multiple features that establish dimensional relationships between two or more other parts.
Read MoreAir Gaging For Itty-Bitty Holes
Conventional air gaging for measuring inside diameters is typically limited to a minimum size of about 0. 060 inch/1.
Read MoreGage Contacts: Get the Point?
In spite of their apparent simplicity, gage contacts represent a source of potential measurement errors.
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