Machining Epoxy Granite

Mostly time laps recording of the build process of a little epoxy granite router.

Machining epoxy granite.

Read all about how to do it in my article on epoxy granite fills. Epoxy granite filling a mill for vibration dampening and rigidity. 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. I did a fill on my original rf 45 cnc mill and it noticeably improved the performance.

Hardinge as well as many of these others are quick to point out. This saves expensive epoxy and it makes the machine heavier and more stable. The epoxy granite is a mixture with epoxy and gravel filler with different grain sizes. The only machines use.

I few details i gleaned from one of the articles on the german site you have to register. The epoxy granite mixture being used is 30 granite gravel 30 joint sand 30 fine quartz sand. The sizes are chosen to make the most possible dense gravel mixture. German epoxy granite milling machine here s an awesome project i recently heard about on cnczone.

This is a full tutorial on how to achieve fantastic results. Epoxy granite makes an amazing machine base but there is a bit of work that goes into it. Epoxy granite fills are fascinating. One important thing is to make sure that the mold lies flat on a reference surface.

All done in my garage with a very basic set of tools. It can be cast into almost any shape is incredible stiff and dampens vib. 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. Epoxy granite sometimes known as polymer concrete makes an amazing machine base.

That s the question adam bender answered in a series of experiments that resulted in a great looking cnc machine. Epoxy granite is your best bet but what epoxy granite is the best. That machine is solid. Building a solid base for machinery can be a daunting task.

Stiffness and damping are important to cnc work.