Machining Epoxy Granite

It s broken into 4 parts.

Machining epoxy granite.

One important thing is to make sure that the mold lies flat on a reference surface. It can be cast into almost any shape is incredible stiff and dampens vib. Epoxy granite filling a mill for vibration dampening and rigidity. German epoxy granite milling machine here s an awesome project i recently heard about on cnczone.

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. 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. Hardinge as well as many of these others are quick to point out.

The epoxy granite is a mixture with epoxy and gravel filler with different grain sizes. This saves expensive epoxy and it makes the machine heavier and more stable. This is a full tutorial on how to achieve fantastic results. Read all about how to do it in my article on epoxy granite fills.

The epoxy granite mixture being used is 30 granite gravel 30 joint sand 30 fine quartz sand. Epoxy granite fills are fascinating. Effect of frame on machine performance. Epoxy granite makes an amazing machine base but there is a bit of work that goes into it.

If the machine frame bends too much when cutting forces are applied. That machine is solid. The sizes are chosen to make the most possible dense gravel mixture. Stiffness and damping are important to cnc work.

The only machines use. 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 is your best bet but what epoxy granite is the best. I few details i gleaned from one of the articles on the german site you have to register.

I did a fill on my original rf 45 cnc mill and it noticeably improved the performance.