Van Norman 12 - max size of APMT face mill

turdferguson6400 · Feb 2, 2018

Hi,

I recently got a VN #12 with a 2hp 3 phase motor intended to be run off a rotary phase converter.

I'm looking at carbide insert face mills but I'm not sure how big I can go on a such a small machine.

I've used a 4" APMT face mill on a Trak K3 knee mill without problems.

I assume the limitation here is rigidity of the machine, not motor HP.

I attached a picture of what I'm talking about.

Thanks!

rklopp · Feb 2, 2018

Actually, you may well be limited by horsepower. It all depends how fast you want to spin the cutter and can feed it accordingly, for a decent depth of cut. I think you will find it quite easy to run out of horsepower. I have stalled my 3 HP Deckel FP2NC pushing a 3" facemill hard.

turdferguson6400 · Feb 3, 2018

Thanks for the response, rklopp. But my Van Norman #12 is a much smaller machine, ~1700 lbs.

I assume in my case, I would be more limited by machine rigidity.

Raybmarlow · Feb 4, 2018

I run a 4” shell mill on my 16 and it could care less if f/s are correct

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Mike C. · Feb 4, 2018

As others have said, you will run into hp delivery problems long before you hit rigidity issues with a VN.

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Van Norman 12 - max size of APMT face mill

turdferguson6400

Plastic

rklopp

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turdferguson6400

Plastic

Raybmarlow

Cast Iron

Mike C.

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