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CoroMill® 745

Multi-edge face milling cutter for best production economy

Instructions

Application tips

Maximum chip thickness

To maximize production efficiency, it is important to consider the hex value. Calculating cutting parameters according to the right hex value will ensure good cutting action with better surface quality and tool life.

Chip formation

Successful chip formation and chip evacuation is the key to high-quality milling operations. Learn more about how to form the perfect chips, and don’t forget the golden rule: Thick to thin.

Recommendations

Cutting data​

Geometry Grade CoroMill 745 with 42° entering angle   CoroMill 745 with 25° entering angle
fz [feed/tooth] fz [hex value] fz [feed/tooth] fz [hex value]
Min Start Max Min Start Max Min Start Max Min Start Max
E-M30 GC1130 0.15 0.18 0.26 0.10 0.12 0.17 0.36 0.43 0.62 0.15 0.18 0.26
All grades except GC1130 0.15 0.21 0.30 0.10 0.14 0.20 0.36 0.51 0.73 0.15 0.22 0.31
 
E-M31 GC1130 0.15 0.18 0.26 0.10 0.12 0.17    
All grades except GC1130 0.15 0.21 0.30 0.10 0.14 0.20
 
E-M50 GC1130 0.18 0.25 0.36 0.12 0.17 0.24   0.38 0.50 0.71 0.16 0.21 0.30
All grades except GC1130 0.18 0.25 0.42 0.12 0.17 0.28 0.38 0.62 0.83 0.16 0.26 0.35
 
E-H50 All grades 0.21 0.30 0.45 0.14 0.20 0.30   0.40 0.73 0.90 0.17 0.31 0.38


CoroMill® 745 concepts – feed difference

ap mm, inch 
fz mm (inch)

CoroMill® 745 with 42° entering angle

CoroMill® 745 with 25° entering angle​​​​





First choice geometry and grade recommendations


Roughing

Medium

Finishing

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