Line Of Indexing Units And Rotary Tables

New Product Announcements From: 8/1/2007 Modern Machine Shop

Available from Indexing Technologies, ITI Exact indexing units and rotary tables are designed for machining centers and drillling, grinding or honing machines.

 

Two versions of the standard multi-spindle table, a universal model and a model for heavy-duty operations, are available with two, three or four faceplates. The universal version is used for contouring and/or infinite positioning, while the heavy-duty model uses a three-piece Hirth coupling to provide fixed indexing increments.

 

All table assemblies can be aligned horizontally or vertically. When used horizontally to machine long shaft-type parts, the tables are available with various standard manual and automatic support tailstocks. Faceplates are prepared with T-slots and precision center pilot holes for positioning and mounting part fixtures during setups.

 

The CNC multi-spindle tables are driven simultaneously via a single servomotor and feedback system selected for compatibility with the host machine. Featuring a dual-lead worm gear system for backlash control during fourth-axis rotation, the tables are supported by high-precision bearings. Each faceplate is fitted with a brake assembly designed to accommodate high radial and tangential cutting forces.

 

Indexing versions of the multi-spindle units have sealed, non-lifting faceplates driven by either a hydraulic rack-and-pinion system or a drive motor. Mechanical position is determined by a selectable number of teeth in the Hirth coupling, which has an accuracy of ±4 arcseconds. The indexing amount can be either fixed or changeable to suit application requirements.

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