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Automated Drilling & Tapping Equipment
Selfeeder Component Tapping Units
Model # ST4-420
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Model # ST4-420, Synchro Tapper ST-4
The Synchro Tapper model ST4 is a compact tapping unit. The ST4 utilizes an AC servo motor and provides mechanical feed with electricronic programable control. It is a powerfull unit with capacity to tap large holes such as an M27 in aluminum.
Unit of Measure:
Max. Rotating Speed for Tapping (rpm)
Max. Stroke (mm)
2.7 kW AC servo motor
This model is using the PC-038 type programming console and PC software for the easy setting of stroke and rotating speed, (same as "Selfeeder Varimec").
A second reference point allows for greatly reduced recycle time.
99 programs can be set for stroke and rotating speed.
Tapping capacities are for spiral tap and point tap (upper part) and for hand tap 2 (lower part) based on the depth of tapping being limited to 1.5 times of the tap diameter.
Rotating speed is decided by the material, taping diameter and tapping speed etc.
The adequate feed gear shall be selected for the tapping pitch.
Please ask us about the feed speed for tapping and the one for fast feed as those are varying for a tapping pitch and a rotating speed.
Maximum recommended weight when using multi-spindle heads is up to 40kg.
When mounting the unit upward, please provide water proof cover in order to protect the unit from cutting oil and chips.
Tapping Capacities Chart