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post #1 of 7 (permalink) Old 08-25-2013, 12:46 AM Thread Starter
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Default Machine a Ceramic

I'm a newbie here, can anyone tell me the tools and spindle speed for endmill, facemill and drill a ceramic material?
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post #2 of 7 (permalink) Old 08-25-2013, 03:32 AM
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Welcome to the form, Lim..

A bit more information would make your question clearer.

Why would you want to endmill, facemill and drill a ceramic material?

James
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post #3 of 7 (permalink) Old 08-25-2013, 05:20 AM Thread Starter
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Originally Posted by jw2170 View Post
Welcome to the form, Lim..

A bit more information would make your question clearer.

Why would you want to endmill, facemill and drill a ceramic material?
My company have accept order of a series of ceramic parts for machining, but I couldn't get any information on site, so me please.
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post #4 of 7 (permalink) Old 08-25-2013, 05:25 AM Thread Starter
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My company has accepted a series of ceramic parts for machining, most of them need to rough the shape using endmill and facemill, I could not find any information on site, so please help me.

Is that we cannot machine a ceramic?
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post #5 of 7 (permalink) Old 08-25-2013, 07:49 AM
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Ceramics can be machined to final tolerances, but you cannot treat them like a block of aluminum as most ceramics have a hardness about the same as carbide. I assume we are not talking about ceramic flooring but rather industrial ceramics. Flooring you use wet diamond bits, saws etc. Industrial ceramics, (ex ceramic alumina knives - Kyocera of Japan) you would use wet diamond grinding on carbide disk - 5 years ago these machines started at 300,000 to 400,000 dollars US. Other machines, laser etching and water jets using diamond dust were similar in cost. Ceramic takes machining to a much higher level (and cost), than standard millwork. The tolerances and associated tools must be able to work in the 6 decimal point range (0.000001). Has your customer ever used ceramics before or are they trying to correct a screw-up at their facility.

Good Luck - Baker
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post #6 of 7 (permalink) Old 08-25-2013, 09:33 AM
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lim, Welcome to the Router Forums!

"Ceramics" is an extremely broad term - it can mean almost anything that has been fired to become hardened. For example: clay bricks are ceramic, technically speaking glass is ceramic, coffee mugs are often ceramic, many forms of tile are ceramic, lots of medical equipment is also ceramic.

Since this is a router forum, I'm going to "stick my neck out" and say to utilize the same practices you have found that work for you on test pieces of glass - then try those on a scrap of the ceramic you're trying to machine. Be cautious when machining ceramics and glass - because the dust is super-fine and dangerous to breathe and abrasive to motor windings. If you have a way to use an air-powered (pneumatic) router or something with a TEFC (Totally Enclosed Fan Cooled) motor you will go a long way toward avoiding the motor dangers, but not the lung dangers.

I have owned a ceramic business in years past and still, on occasion; have need for ceramic parts in my prototype business. In my opinion, ceramic sleeve bearings are second-to-none for the situations where we have employed them.

I hope this helps!

Otis Guillebeau from Auburn, Georgia

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post #7 of 7 (permalink) Old 08-25-2013, 10:13 AM
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Have machined barium & lead titanates, Alumina and ferrites (tech ceramics).
Hard stuff. All ground with aluminum oxide grinding tools WET.
Can be surface ground flat into common shapes.
Also can be lapped to thickness. Sawn with diamond.
Granite, probably about as hard as any ceramic, can be routed with diamond and carbide but the cutter has to be flooded with coolant.
Same for drilling.
A very specialized thing for the garden variety router.
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