Каталог Dormer Pramet фрезерование 2021 - 2022 - страница 779

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Навигация

OXIDATION GROOVE ON THE MINOR EDGE

↑Use a more wear resistant substrate (S).
(MT)CVD PVD+ +CVD coating (decisive factor is oxidation resistance –aAl2O3).
f↓Feed has infuence on shape and position of groove.
v↓Decrease cutting speed.
ap↓Minimal effect.
↑Use another (more positive) cutting geometry.
+ +It can help, but only with ideal working conditions.

PLASTIC DEFORMATION

  • Using a more wear resistant substrate (decisive factor is content of Co).

(MT)CVD + Any coating (decisive factor is friction). PVD

f

Decrease feed rate.

v

Decrease cutting speed. a

p Minimal effect.

  • Use another (more positive) cutting geometry.

+ + It can help, but only with ideal working conditions.

NOTCH WEAR

  • It depends on the character of the damage (abrasive – use more wear resistant substrate; breaking – use tougher substrate).

(MT)CVD + + CVD coating (decisive factor is oxidation resistance – a Al O ). 2 3 PVD

f

  • Feed has infuence on intensity, but less than the cutting speed.

v

Decrease cutting speed. a ↑↓ p Use unequal depth of cut.

  • Use less positive cutting geometry.

+ It can help, but only with ideal working conditions. Use tool with smaller setting angle.