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Top view & back view with included fittings of the Vacuum Work Holder (VWH).
Panavise Assembly, PVISE
The LMI Vacuum Work Holder with Robert O'Brien
Manufactured and assembled in USA.
Compact size of 9” x 8” x 5-1/2” Can easily be stored away when not in use.
Creates over 400lbs. of clamping force When used with our SPVP vacuum pump (at 22 Hg vacuum).
Supersized ball head vise for stability and instrument safety (75 lb. support capability at 45°).
Superior Control – A single knob controls ball head clamping through 3-planes: 90° tilt, 360° head rotation and 360° vise ball rotation - tightening engages clamping in 3 stages; first the tilt locks, then head rotation, and finally vise ball rotation.
Oversized mounting base for temporary bench clamping and is also pre-drilled for permanent mounting.
Our versatile Vacuum Work Holder System consists of two parts (sold separately):
The aluminum vacuum work holder head, VWH, comes with a quick connect tube fitting sized for our SPVACTU 1/4" vacuum tubing. There is a second tapped port available for accessories.The vacuum work holder has both a radius and soft gasket material to conform to the arch of both the back and top of the body.
The Panavise® 3-axis ball-head vise,PVISE, mounted to a plywood base.
TheAccessory Kit, VWHAK, consists of a dump valve that allows you to quickly release the vacuum from the fixture you are using, and a one-way check valve that prevents vacuum loss for approximately 10 seconds should you lose power or have a pump failure, preventing a sudden loss of vacuum in a critical situation. The vacuum dump valve also allows instantaneous re-positioning of the instrument on the work holder (compared to turning off the vacuum pump and waiting for the vacuum to drop).