Mandrel collets
Material:
Mandrel mild steel.
Taper-head screw low-carbon steel
Version:
Mandrel black oxidised.
Taper-head screw case-hardened.
Note:
The mandrel collet is ideal for finish machining turned parts. The diameter D can be turned or milled to suit the workpiece ID.
Low design - no interfering clamp straps.
Tightened using a hex socket wrench or hydraulics.
* D min. = smallest diameter to which "D" may be turned or milled.
Assembly:
Expand the mandrel approx. 0.1 mm over the relaxed diameter. Turn or mill the mandrel to suit the internal diameter of the workpiece. The base flange can be centred in a pocket or using dowel pins.
Drawing reference:
1) taper-head screw