CNC Insert Chipbreaker Selection Guide
Practical guidance for selecting suitable chipbreakers for different machining applications.
Chipbreaker Selection Guide
The right chipbreaker depends on the machining application, workpiece material, and cutting conditions. Use the chart below as a visual reference for common chipbreaker types and insert shapes.
Chipbreaker codes and available insert geometries may vary by manufacturer. Please confirm the specific insert specification before ordering.
Negative Rake Insert Chipbreaker Selection
| Chipbreaker Type | Cutting Edge | Application Range | Features |
|---|---|---|---|
CQ | Sharp cutting edge | ap: 0.05–3.0 mmf: 0.15–0.4 mm/rev | For finishing and light machining. Provides smooth cutting and good surface finish. |
MQ | Medium-strength cutting edge | ap: 0.5–1.5 mmf: 0.05–0.2 mm/rev | General-purpose chipbreaker with a good balance of cutting performance and edge strength. |
MS | Strong cutting edge | ap: 0.5–2.0 mmf: 0.1–0.3 mm/rev | Strong cutting edge for stable machining and higher cutting loads. |
Actual chipbreaker availability and recommended cutting ranges may vary depending on insert geometry, grade, and manufacturer.
Positive Rake Insert Chipbreaker Selection
| Chipbreaker Type | Cutting Edge | Application Range | Features |
|---|---|---|---|
HA | Sharp cutting edge | ap: 0.03–0.3 mmf: 0.5–2.5 mm/rev | For light alloy and stainless steel machining. Low cutting resistance and smooth cutting. |
HS | Medium-strength cutting edge | ap: 0.1–0.4 mmf: 1.0–4.0 mm/rev | For stainless steel semi-finishing. Provides good wear resistance and stable cutting. |
GS | Medium cutting edge | ap: 0.15–0.5 mmf: 1.5–5.5 mm/rev | For stainless steel finishing and general machining. |
AL | Sharp cutting edge | ap: 0.03–0.4 mmf: 0.1–4.0 mm/rev | Designed for aluminum alloy machining and finishing operations. |
MA | Medium-strength cutting edge Nose part  Main cutting edge part  | ap: 0.1–0.5 mmf: 0.9–4.0 mm/rev | General-purpose chipbreaker for steel and alloy machining. |
MS | Strong cutting edge Nose part  Main cutting edge part  | ap: 0.1–0.5 mmf: 0.9–4.0 mm/rev | Suitable for difficult cutting conditions requiring stronger edge stability. |
None | Flat cutting edge | ap: 0.1–0.5 mmf: 0.9–4.0 mm/rev | For applications requiring a strong cutting edge and stable cutting. |
Actual chipbreaker availability and recommended cutting ranges may vary depending on insert geometry, grade, and manufacturer.
Need Help Choosing a Chipbreaker?
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