Dynamic Chip Flow

The Chip Splitter end mills are available in a 5- and 7- flute configuration for maximum feed rates in dynamic milling operations. Both feature unequal flute spacing for vibration dampening with geometries designed to perform on Steels, Stainless Steels and Super Alloys. The design includes small chip splitters along the cutting edges to break the chip into shorter sections without reducing the wall finish. Shorter chips are easy to evacuate from the cutting area, especially when machining deep cavities. Chip Splitter end mills are the natural evolution of the successful VariMill™ II and VariMill™ III geometries.

Features:

  • Chip splitters to break the chips into small segments making them easier to evacuate
  • 5-flute geometry for Steel applications
  • 7-flute geometry for Stainless Steel and Super Alloy applications
  • 4.5xD Ap1 Max to enable maximum metal removal rates (MRR)

Increased Tool Life, High MRR, & Less Downtime

Dynamic Icon

Dynamic

Evacuates chips in dynamic milling operations with complex toolpaths. The Chip Splitter end mills are developed mainly for the Aerospace industry, but they are applicable to all customers requiring dynamic milling strategies to increase tool life on difficult-to-machine materials.

Efficient Icon

Efficient

Utilize the full feed rate machine capabilities with the 5- and 7-flute configurations. Dynamic milling processes are typically run using a low value of radial engagement which generate a thin chip thickness, which will then allow higher feedrate-per-tooth values and a consequent high MRR.

Steady Icon

Steady

No more machine downtime due to tool breakages and bad chip formation. The machine will keep running while the chips are flowing.

Learn More with Our Brochure

VariMill Chip Splitters
(Inch Brochure)

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  • P Steel (49)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (49)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (49)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (49)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (49)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (49)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (49)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (49)
  • M Stainless Steel (49)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (49)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (49)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (49)
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    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (49)
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    • K3
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    • S1
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    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (49)
    • S3
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    • S4
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    • H2
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