How To Make A Jam Chuck For A Wood Lathe

Then take the handle off and use it for a jam chuck on your lathe mine gets the most use when reversing hollow forms and removing the tenons.

How to make a jam chuck for a wood lathe. This avoids leaving screw or chuck marks on the piece or having to increase the size of the blank to achieve the same result. For a 1 x 8 TPI headstock drill a 78 initial hole and tap with a 1 x 8 TPI wood tap. A donut chuck is similar to a jam chuck.

Screw chucks with larger parallel threaded screws require you to drill a pilot hole first but give a superior grip. Drill a hole deeper than the length of your headstock threads but do not let it contact the four-jaw chuck. This isnt super critical within reason because the axis will be defined by the tail stock point and the working end of the PVC is padded.

Every time you use this jam chuck make sure the mount on the scroll chuck is straight true lined up with your mark and firmly against the shoulder all the way. All you need is a faceplate. Above Sorby Patriot chuck with 2in spigot jaws.

Secure the setup with the tail center and turn the tenon and outside of the bowl concentric. This video is a step by step process of making a jam chuck for a wood lathe. Making the four jaw chuck I used my BigPrint program to print a 11 template of the main part of the chuck and cut it out of Baltic birch plywood.

See more ideas about wood turning projects wood turning wood lathe. The size of the jaws completely dictates the size of the tenon used on the wood bowl. Carefully cutting out the main part on the bandsaw.

The wood bowl chuck jaw is turned as one piece when the four-jaw chuck is manufactured ironically on a metal lathe. Works great and is super cheap. Once the jaw ring is complete it is cut into quarters making the four jaws we use on the chuck.