Page 180 - Parlec Catalog

Tapping Selection

178 Numertap ®

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Numertap C50-70TA5, Torque controlled, non-coolant Numertap C50-77TA4C, Positive Drive, Coolant-Fed

1 Adjustable Length Compensation 6 Tap Adapter, Non-Coolant

Available on all 700/770 and Bilz-style tapping Available for all standard tap sizes. Square drive ensures
attachments with machine tapers. positive tap drive.

2 Tension & Compression 7 Coolant Feed Tube
Tap position returns +/- .001 after each cycle. Standard Feeds coolant directly to the tap. Keeps coolant from
with all tapping attachments. Also available as tension contaminating the attachment’s internal components.
only or rigid for synchronous tapping. Restrictor allows for up to 800 PSI.
3 Torque Spring 8 Seals in Coolant Fed Adapters

Torque is controlled by spring pressure. This Keeps coolant from back feeding into attachments
is standard on 80 and 700 units.
9 Retention Ball
4 Torque Drive Ball Retains adapter in the attachment while maintaining quick
Standard on 80 and 700 torque controlled release during changeover. Acts as drive ball for positive
systems. Scallop size on the adapter drive adapters.
pre-calibrates torque setting.
10 Coolant Groove
5 Torque Sleeve Feeds coolant along the tap shank. Reduces the need for

Automatically controls the amount of torque expensive coolant through taps.
transmitted to the adapter. Makes torque adjustments
unnecessary. 11 Coolant-Through
Feed from coolant through taps.

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