indexing head


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indexing head

n
(General Engineering) a circular plate mounted to rotate on its centre, inscribed with concentric circles, each accurately divided, the dimensions being marked by drilled holes. The plate can be moved round with a workpiece to facilitate the accurate location of holes or other machining operations on the workpiece
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
When there are tight tolerances-or sometimes when doing initial part setup on the CMM-a touch probe is selected from the stylus changer on the CMM with a Renishaw PH10M motorized indexing head. While most of the drawing tolerances on the stampings are fairly open- [+ or -] 0.25 mm on surfaces and [+ or -] 1 mm on trim edges-hole positions are measured to within tens of microns, which is readily accommodated by the LKCMM.
All the records in the B+-tree are only retained at the leaf nodes, while each B-tree node (BN) maintains its own records locally, a feature which satisfies the requirement of indexing head table nodes, 3.
The extractor slot is 10 degrees off of 90, so you need to set it up in an indexing head so you can rotate it to the proper angle.
The indexing head is controlled by a Hardinge all-digital servo control that connects to the machine's CNC that commands the movements via M-codes.
Each of the four AccuStrip stackers removes narrow rubber strip from a cooling rack and automatically feeds it through the indexing head, which accurately lays the strip onto a pallet.
Once the hole has been drilled to the required depth (which can be anything from 4m to 40m), the rods are removed and the indexing head for the grout feed hose and steel cable are correctly aligned.
The indexing head will drop right into replace most existing US-made units without program or tool offset changes, without tool path clearance issues, and without making any fixture changes.
The machine comes standard with an OFS 25U indexing head for shafted tools with one, two, three, four, six or 12 teeth.
now has the processor-controlled indexing head TKE 330 with five programs.