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Drill bank feed speed on 35mm hinge cup drill

12/20/21       
Matt

We'll be installing a 35mm drill bit into our CNC (Anderson Selexx) in the drill bank. The bank rotates at 4000 rpm, not changeable.

This will be for drilling hinge cups in doors-- mixed materials, but generally this will be 3/4" thick veneer plywood (maple, cherry, oak), solid MDF, and the occasional pb core laminate layup or melamine.

I am not sure what plunge feed rate to try on this large of a drill bit. The bit is a carbide CMT-Orange 317.350.12 bit.

For drilling laminate layups, should we consider doing a 1mm peck before plunging down to drill the entire cup?

Cup depth will be about 13mm deep in all cases.

12/21/21       #2: Drill bank feed speed on 35mm hinge ...
yaakov

4000 rpm for hinge drill not enough
this mind from east countries not connect drill head by inverter its very strange(its not need add nothing ,you already have inverter in the machine,just need send the correct parameters per uses, very simple com routine)

only help for you is add delay on drill bottom
change speed will not help
add :
G04 P800 on drill bottom before go up

12/21/21       #3: Drill bank feed speed on 35mm hinge ...
Mark

I am also limited to 4K RPM, and I have struggled with boring using a hinge bit in the bank as well. A little more success with the same bit in the spindle. It's very difficult to get through plam with one of these, not too bad with vc ply or veneer on flake.
If you are a super high production shop I can see it, or really pressed for time , but I pocket these holes myself. It costs very little time and is more reliable throughout a wide variety of materials.
Perhaps someone with more specific knowledge can say better, but I feel like it puts too much stress on the gears in my drill bank as well.

12/22/21       #4: Drill bank feed speed on 35mm hinge ...
Dropout Member

Pocket the hole 32mm diameter with whatever you are using to cut the material with first. Then use the drill to make the hole exact.

A little more time but easier on everyone and everything.


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