Indexing head

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Indexing head and tailstock set up on a milling machines table
Indexing head and tailstock set up on a milling machines table

An indexing head is a specialized tool that allows a work piece to be rotated to any angle or circular division.

The tool is similar to a rotary table except that it is designed to be adjustable through at least 90 &deg: (in fact it will over travel to approx 95°).


[edit] Indexing plates

Indexing plates
Indexing plates
View showing simple indexing back plate
View showing simple indexing back plate

Simple indexing consists of a series of preset holes in a backing plate, these divisions are provided for the most common angles (such as 90 °, 45 °, 30 °, etc). The remaining divisions of a circle are provided by manually rotating the dividing arm using index plates. Tables or calculations are required to use this method.


Metalworking:

Machine tooling:

Angle plate | Chuck | Collet | Fixture | Indexing head | Lathe center | Machine taper | Magnetic base | Mandrel | Rotary table | Wiggler

Metalworking topics:  

Casting | CNC | Cutting tools | Drilling and threading | Fabrication | Finishing | Grinding | Jewellery | Lathe (tool) | Machining | Machine tooling | Measuring | Metalworking | Hand tools | Metallurgy | Milling | Occupations | Press tools | Smithing | Terminology | Welding
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