The M321 automatic toolchange is a robust precision machining spindle with a maximum speed of 125,000rpm, fitted with an interchangeable automatic collet system. Collet sizes from 3mm to 6mm diameter are available. With a powerful AC motor and front thrust bearing system, it is ideal for glass grinding, and micro-machining of non-ferrous materials, and is designed for use in specialised, multi-spindle CNC machine tools.
|Speed range||10,000rpm - 125,000rpm|
|Motor power (max)||750 Watts|
|Automatic tooling system||Pnuematic, with interchangeable collets|
|Collet sizes||1/8”, 3, 4 and 6mm shank dia.|
|Bearing air supply pressure||5.6 kg/cm*2|
|Bearing air consumption||85 nl/min|
|Coolant flowrate||1.5 l/min (water) or 3 l/min (oil)|
|Heat dissipation to coolant (max)||640 Watts|
|Axial failure load (push)||200 N|
|Collet torque (max)||4 Nm with 6mm bore collet|
|2 Nm with 1/8” bore collet|
|Dynamic runout at tool||7 microns|
|Motor type||3 phase, 2 pole AC|
|Speed sensor (tacho) - optional||TTL signal|
|Weight (approx)||4 Kg|
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