I'm setting up to machine some 2.0" thick Phenolic Sheet. The ones I have are labeled "fishtail" type.

This app has no ads! A 1/4" endmill is fed between .001" and .003" per tooth in G10. For 95% of our applications machining is done dry to avoid contamination.The easiest way to approach machining it is to use steel speeds and aluminum feeds. You can buy them from drillman1 on eBay. We are able to maintain tolerances, create features and produce parts that even the material manufacturers deem unobtainable. Feeds and speeds are starting recommendations only. I got the best results when the chips did not come off "fuzzy"New comments cannot be posted and votes cannot be castA Reddit for Machinists of all varieties. Use speeds and feeds similar to aluminum with a sharp cutting edge with as much relief behind the edge as you can muster.If it starts to discolor at all up your feed. Counterboring Speeds and Feeds. G10 specifies to MIL-I-24768/2 (GEE), MIL-P-18177 GEE and LP-509. I am machining with 1/8 and 1/2 inch endmills and using altin coated carbide. system. I'm going to use a 1.0" 2flt Carbide EM for roughing some thru pockets and would like to take at least 0.500" DOC per pass. If you don’t see a speeds and feeds chart for the product you are working with please contact Rock River Tool at 800-345-8924 or send us a message through our Pretty cheap too.Carbide can also be used fairly efficiently--my dad uses carbide pcb router bits to mill into g-10 fairly often with high speed, low feed, with a vacuum running-no flood.Usually gets a fairly neat edge with a smooth finish. Enter the No. Milling Paper and Cotton Fabric Based Grades Standard tools may be used at speeds and feeds similar to those for bronze and soft steel. G10 needs carbide, HSS simply wears out too fast.

I've never seen this stuff before, any tips will help!I program and machine lots of g10 for the alternative energy sector/fuel cells. Since the material is abrasive the less time it spends rubbing chips the longer you'll have edges to cut fresh material with. Carbide tools seem to work fine.

He sells all sorts of end mills for the pcb industry. Calculations use the desired tool diameter, number of teeth, cutting speed, and cutting feed, which should be chosen based on the specific cutting conditions, including the workpiece material and tool material. You will probably have problems holding tolerance with your finisher before the finish will suffer. The easiest way to approach machining it is to use steel speeds and aluminum feeds. Feeds and speeds are starting recommendations only. It isn't hard to get a good finish if you use Kool Tool or mineral oil as the cutting fluid. Quickly and easily check lathe tool bit height; Accepts any diameter work piece from 1/8" to 2 1/2" Rubber band provides hands-free operation Speeds & Feeds for Milling comes pre-loaded with lots of materials, but will also allow you to add, delete and modify any and all materials.

Press J to jump to the feed. CNC Machining G10 Material.

G10 FR4 sheet can be CNC machined up to +-.005 tolerance. I have not machined any of this stock in the past. I'd start a 1/2" cutter at 625sfm and .0025" per tooth for finishing.Stick to 70 sfpm with 1xD full retract pecks on HSS drills, 16 IPM is my standard and you can go harder.A note on indexable tooling, we use 1" Sandvik 390 tooling in our shop and have recently tried both widia and seco and the difference in tool life is measured in days. ground with a zero rake and machining can be done dry with an exhaust system to remove dust. For 95% of our applications machining is done dry to avoid contamination. FR4 specifies to MIL-I-24768/27 (GEE-F) and MIL-P-18177 GEE-F. CCT Precision Machining is an industry leader in FR4 and G10 machining. Use .002-.005 as starting chip load per tooth The tooling dulls pretty quickly. Router bits may do a better job for you than an endmill.


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