How To Make A Jam Chuck For A Wood Lathe

Lathe running to make sure it is straight.

How to make a jam chuck for a wood lathe. The size of the jaws completely dictates the size of the tenon used on the wood bowl. This video is a step by step process of making a jam chuck for a wood lathe. Aligning the bowl is easier if you turn a series of lines in the bottom piece of wood.

This particular jam chuck is used for reverse chucking or finishing the bases o. These are handy for holding such projects as wooden. 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.

Once the jaw ring is complete it is cut into quarters making the four jaws we use on the chuck. See more ideas about wood turning projects wood turning wood lathe. Sep 10 2018 - Explore Eds board Jam chucks on Pinterest.

Then you make another piece of wood with a hole in the middle. For a 1-14 x 8 TPI headstock drill a 1-18 initial hole and tap with a 1-14 x 8 TPI wood tap. A donut chuck is similar to a jam chuck.

Drill a hole deeper than the length of your headstock threads but do not let it contact the four-jaw chuck. Next invert the bowl mounting the tenon in your 4-jaw chuck and re-turn the bowls interior. Above Sorby Patriot chuck with 2in spigot jaws.

The wood bowl chuck jaw is turned as one piece when the four-jaw chuck is manufactured ironically on a metal lathe. Secure the setup with the tail center and turn the tenon and outside of the bowl concentric. This gives you a way to center the bowl.