Machining Epoxy Granite

Building a solid base for machinery can be a daunting task.

Machining epoxy granite.

Read all about how to do it in my article on epoxy granite fills. The only machines use. Epoxy granite sometimes known as polymer concrete makes an amazing machine base. One important thing is to make sure that the mold lies flat on a reference surface.

Epoxy granite filling a mill for vibration dampening and rigidity. The sizes are chosen to make the most possible dense gravel mixture. Stiffness and damping are important to cnc work. If the machine frame bends too much when cutting forces are applied.

Filling the machine castings with epoxy granite with epoxy granite sometimes also called polymer concrete has been a time honored tradition of some of the finest machine tool manufacturers such as hardinge with their proprietary harcrete and others. All done in my garage with a very basic set of tools. This saves expensive epoxy and it makes the machine heavier and more stable. Hardinge as well as many of these others are quick to point out.

It can be cast into almost any shape is incredible stiff and dampens vib. This is a full tutorial on how to achieve fantastic results. I did a fill on my original rf 45 cnc mill and it noticeably improved the performance. Epoxy granite makes an amazing machine base but there is a bit of work that goes into it.

Mostly time laps recording of the build process of a little epoxy granite router. That s the question adam bender answered in a series of experiments that resulted in a great looking cnc machine. The epoxy granite is a mixture with epoxy and gravel filler with different grain sizes. Epoxy granite fills are fascinating.

Epoxy granite is your best bet but what epoxy granite is the best. Effect of frame on machine performance. I few details i gleaned from one of the articles on the german site you have to register. It s broken into 4 parts.

One of the biggest advantages of epoxy granite is that you can cast against a precision surface plate or apply an extremely expensive self leveling epoxy to achieve surfaces that are flat and.