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Selecting your cutting data

2024-09-25

latest company news about Selecting your cutting data 0

Ohip formation and chip evacuation are crical issues in driling and depend on the workpiece material. choice of drllinsert geomeiry, coolantpressure/volume and cuting data. hip jamming can cause radial movement of the dll and consequently affect hole auality, drllife and reiabityor drill/insert breakages.

Chip formation is acceptable when the chips can be evacuated from the drillwithout disturbance.The best way to identify this is to listen duringdriling. A consistent sound means that chip evacuation is good, but an interrupted sound indicates chip iamming. Check the feed force or powemonitor, f there are iregulariies, chip jamming could be the reason. Look at the chips: if they are long and bent, instead of curled, chip jamming
has occurred. Look at the hole: if chip jamming has occurred, an uneven surface will be visible

latest company news about Selecting your cutting data 2

latest company news about Selecting your cutting data 3

Achieving good hole quality

Chip evacuation

Make sure chio evacuationis satisfactorv, Chio amming afects hole oualty and relablitvtoolie, pnlinsert aeometv and cuting data are crucia

Stability, tool set-up
use the shonest oossible drl. use a rioid and accurate toolholder with minimum run-out wake surethe macnine soindle is in good condition andis well-aligned. Ensure that the component is fixed and stable. Estabish correct feed rates for irregular, anqular surfaces and cross holes.

Zhuzhou Weikeduo Cemented Carbide Co., Ltd.

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