Product

Long Neck End Mill Series
for Copper Electrode

Long Neck End Mill Series enable highly accurate copper electrode machining with minimal burrs.
Sharpness shearing ability and DLC coating innovated high quality copper electrode machining.
Realized long life machining on tough material of Copper Tungsten.

Square type DHR237

①『37.5°』 helix angle achieved high quality milling surface during side milling.



Flute length L/D=2 is a right balance for [Rigidity] and [Usability] of Square End Mills!
Strong helix angle improves shearing ability!
Too strong helix angle might be causing bad effect on cutting surface and increasing cutting resistance.

37.5 °is the best helix angle that achieved shearing ability and fine cutting surface!


②Compatibility with『Cutting ability』and『Strength』



Ball type DRB230

①Sharpness shearing ability and strong edge.

Sharp cutting edge

Strong spiral shape




Shape cutting edge realized reducing burr and high precision machining.


②Seamless on peripheral cutting edge and R realized high-quality machining by edge profile.



Seamless on peripheral cutting edge and R realized high-quality machining by edge profile.

Specialized edge profile and DLC coating realized high quality machining on copper electrode.


Corner radius type DHR237RNEW

Sharp cutting edge realized high quality cutting surface.

As the same as square type, DHR237R using 37.5°helix angle to achieve high quality cutting surface.
DLC coating is specialized to realize long time machining on copper alloy.

Extensive variation

Total 193 sizes include 54 sizes of square type, 57 sizes of ball type and 82 sizes of corner radius type to support and realize high quality of milling copper electrode.

For more details and milling conditions, please click below.


  Square type DHR237   

  Ball type  DRB230   

  Corner radius type DHR237RNEW   

Cutting data

Cutting data ① Comparison of cutting surface (Square type DHR 237)

  


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Cutting data ② Tough-Pitch Copper comparison of tool life (Ball type DRB230)



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Cutting data ① Copper tungsten alloy electrode model (Square type DHR237)

  


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Cutting data ④ Comparison of curved surface and gradient surfaceNEW
(corner radius type DHR237R)



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