The D1331-49 is a rugged full-range PCB drilling and light routing spindle with a maximum speed of 125,00rpm, ideal for general purpose single spindle CNC PCB machines. With a high radial load capacity and powerful AC motor, drills diameters up to 6.3mm and router bits of 2.4mm diameter can be used. It is also fitted with a removeable collet for easy maintenance.

Specifications of D1331-49 spindle

Speed range – shaft speed 20,000-125,000 rpm
Max. drill size – one shot/piloted 6.35 mm dia.
Bearing air supply pressure5.6 kg/cm*2
Bearing air consumption - static70 nl/min
Max. dynamic runout (DRO)10 microns @ 125k rpm
Axial bearing positionRear
Axial failure load25 Kg
Radial failure load at collet11.8 Kg @ 125k rpm
Motoe output power - continuous495 Watts (drive dependant)
Motor input voltage - max220 Volts
Weight3.9 Kg
Max. heat dissipation to coolant480 Watts
Coolant flowrate - water2.5 l/min
Collet type and diameterRemovable, 1/8” or 3mm
Collet torque - max2.8 Nm
Speed sensor (tacho)Magneto resistive
ApplicationPCB drilling & light routing
Minimum hole size in PCB material0.15