Shop jig is post about Magazine bookmarked by willie with ID 11942543927 was uploaded on 29-01-2019 and has been viewed 95,569 times.
Vacuum Chuck Vacuum chucking is used to hold a workpiece on a lathe, so that it can be turned or sanded.Vacuum chucking is particularly suitable for finishing off natural edge bowls and salad bowls.The system that I show here can use a vacuum cleaner, a Shop Vac, or a vacuum pump.
I use an Electrolux vacuum when I need it to be very quiet, but I use a vacuum pump when I need good holding power.My set-up is built to fit my 160-260 General lathe, but it would work on most lathes.The system consists of a round wood fixture (the housing), which fits over the handwheel, a support arm on the outboard end, and a PVC vacuum chuck with a leather sealing ring.
Start by turning a housing that will friction fit over your handwheel, (see accompanying sketch).I used a piece of 2"x6" birch to fashion mine.After you have turned the housing, cut a chuck mount on the inside and bore a hole for the vacuum nozzle to run in.
This hole must be accurately bored for the hole to run true when installed over your handwheel.My vacuum required a 1.260" hole.The holding fixture consists of two...