Tormach Fab Lab: Using a 2-Jaw Chuck

Although not nearly as common as 3- or 4- Jaw chucks, a 2-Jaw Chuck can be quite handy for certain 4th Axis jobs. The jaws on a 2-Jaw chuck are opposite each other (obviously!) and they are driven by a scroll plate, just like the jaws on a 3-Jaw chuck. They are typically used in 2 scenarios:

  • Rapid Prototyping – for example, cutting a 3D shape out of a block of plastic or wood with a single 4th axis operation using a ball end mill.
  • Holding odd parts – In this case, they are often used with custom soft jaws milled for that purpose

Here’s a quick video with Mike C. demonstrating some setup basics when using a 2-Jaw Chuck:

We have 2 Jaw Chuck kits available for both 6″ and 8″ Tormach 4th Axis models:

More Tormach Fab Lab Videos:

Andrew Grevstad

With over ten years of professional experience in advanced manufacturing systems, digital design tools, and applied software, Andy Grevstad has worked in product development and technical support for Tormach since 2008. Grevstad has received engineering degrees from Michigan Technological University and the University of Wisconsin-Madison. He is a regular contributor to Digital Machinist magazine and also blogs weekly about CNC milling and related topics on the Tormach blog, Milling Around.

Andrew Grevstad

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