Mountain Machine Works    Call 1-800-660-6680 x109   or  email   info@xpandrel.com 1000 Series  - for small parts 3000 Series - expanding mandrel for medium size parts 4000 Series - expanding mandrel for long length to diameter ratio parts 5000 Series - expanding mandrel for large parts

1000 Series - For Small Precision Parts

Diameters from 5/16” - 1.00”  -  Working Lengths from 2.00” - 8.00”

2 End actuators for a smooth expansion deformation profile.

Solid body with taper & ball expansion.

Working area standardly available centered or offset for extra chucking material.

3000 Series - For Medium Precision Parts

Diameters from 7/8” - 3.50”  -  Working Lengths from 4.00” - 20.00”

2 End actuators for a smooth expansion deformation profile.

Solid body with 3-ball reduced friction expansion.

Working area standardly available centered or offset for extra chucking material.

5000 Series - For Large Precision Parts

Standard Diameters from 3.5”-8.5”  -  Standard Working Lengths 8”,12” & 20”

Custom Diameters up to 18”  - Custom Working Lengths from 4” to 36”

2 Actuators for a smooth expansion deformation profile.

Modular body with linear rail to radial piston expansion.

4000 Series - For Long Length to Diameter Ratio Precision Parts

Standard Diameters from 1”-3”  -  Standard Working Lengths from 14.00”- 32.00”

Custom Lengths up to 60”

4 Independent actuators for an extended smooth expansion deformation profile.

Solid body with dual taper and ball expansion.

The ONLY Customizable Machinable  Expanding Mandrel How To Buy
2000 Series - expanding mandrel for short length parts

2000 Series - For Short Length Precision Parts

Standard Diameters from 1/2”-3”  -   Standard Working Lengths from 2”-8”

1 Side actuator for a consistent ramp shaped deformation profile.

Solid body with single side actuated taper and ball actuation.