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System 3R has introduced a B-axis indexer that adds greater flexibility to the operation of wire EDM and sink-erosion EDM machines.

The indexer is a CNC-controlled unit with pneumatic Macro chuck.

It is made from rust-resistant stainless steel and is sealed against dielectric and de-ionised water.

It is fully submersible and available in two options.

Machine-specific units for Agie, Charmilles, Fanuc, Makino and Mitsubishi operate via the host machine’s controller.

The unit can alternatively be supplied with a separate programmable CNC controller for machines without additional axis drivers.

When mounted horizontally, this unit measures 230 x 278 x 104mm and weighs just 18kg.

Workpieces fixed to Macro holders are turned automatically to pre-set positions from the machine program.

The unit is also robot ready.

The indexing range is 0-360 degrees with a minimum incremental step of + 0.001 degrees, guaranteeing accuracy.

There are integral air connections for open/close of the chuck as well as a turbo-locking and reference face cleaning.

The B-axis indexer is easily installed and can either be specified when buying a new machine or can be quickly retrofitted.

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