12/30/2015 | 1 MINUTE READ

Bilz’s Tapping Attachment with Integrated Reversing Gear

Originally titled 'Tapping Attachment with Integrated Reversing Gear'
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They can be used on machining centers with automated tool changers and on special purpose machines.

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Bilz’s GNCK tapping attachment, like the company’s other tapping attachments, are a modular design and can therefore meet the specific requirements of individual machines. They can be used on machining centers with automated tool changers and on special purpose machines.

Because of the integrated maintenance-free reversing gear, changes in direction of the machine spindle are unnecessary. The length compensation on extension, with a ball release system that operates when in reverse, guarantees thread depths of 60.15 mm/2.375” up to speeds of 4,000 rpm. The GNCK tapping unit with coolant feed can facilitate pressures up to a maximum of 50 bar/725 psi.

Precision collets (ER16-GB or ER25-GB) ensure the tap is securely clamped, and additional square drivers can be used where high torque is being generated, for example, when thread forming.

The torque support locks the unit relative to the spindle, thus making automatic tool changing possible. When tool changing takes place, the locking mechanism releases the torque support and allows the tool changing operation to be effected.

Because of using the reversing gears, high tapping speeds are possible resulting in shorter cycle times compared with conventional tapping. Reduce tapping cycle time and reduce spindle wear and tear by eliminating spindle rotation reversing for tapping operations.

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