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  4. Centring clamps, mandrel collets, machinable collets
    5. Mandrel collets

Description

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
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Mandrel collets

norelem mandrel collets are particularly suitable for quick and easy fastening of workpieces. They are generally used in production technology. Mandrel collets are often used for finish machining turned parts. By turning or milling in this way, diameter D can be adapted to the diameter of the clamped workpiece. The mandrel collet can be actuated either manually using a clamp nut, clamping screw or pneumatically via a clamping cylinder on the machine.

The norelem range includes the conventional mandrel collets as well as mandrel collets with side clamping.