MWS

SB/MB/LB/XB Type Drill Operational Guidance

MWS
  • NOTES ON USE (For DC<3)
  • •Please use a fine mesh filter (mesh≦ 3µm) for coolant to prevent jamming in the oil hole.
  • •For deep drilling with the long type drill, machining a pilot hole is recommended.
  • (Otherwise, centrifugal forces may cause drill breakage.)

DB Type Drill(L/D≧10,D1>3) Operational Guidance

Flat Face Drilling

  • • Drilling a blind hole
1. Drilling a pilot hole 2. Initial cutting with the long type drill

Interruped Drilling

  • • Drilling and breaking through on irregular faces or angles
1. Spot facing 2. Drilling a pilot hole

Operational Guidance for the Long Type Drill (L/D≧3)

Flat Face Drilling

  • • Drilling a blind hole
3. Initial cutting with the long type drill 4. Drill the deep hole

Interruped Drilling

  • • Drilling and breaking through on irregular faces or angles
5. Breaking through 6. Drill retraction
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