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CNMA Series Turning Insert

Attribute Specification Description
Insert Shape S (Square) 90° square shape for high edge strength.
Relief Angle N (0° Negative) Double-sided insert for economical machining.
Tolerance M Medium tolerance class for general turning.
Geometry/Type G With hole and chipbreaker on both faces.
Chipbreaker BM Optimized for medium-duty stainless steel work.
Workpiece Material Stainless Steel Primarily ISO M group materials.
Application Roughing / Semi-finishing High metal removal rates and versatility.

 

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Description

Product Information:

Overview

The SNMG square negative insert is a robust solution designed for high-performance turning. By utilizing a negative relief angle (0°), the insert offers double the number of cutting edges (8 edges per insert) compared to positive inserts, significantly reducing tooling costs per component.

Technical Features

  • BM Chipbreaker Design: Specifically engineered for the challenges of machining stainless steel. It provides excellent chip control, prevents “bird-nesting,” and reduces heat buildup at the cutting zone.

  • High Edge Strength: The square “S” shape provides a strong cross-section, making it ideal for interrupted cuts and heavy-duty roughing where stability is paramount.

  • Application Range: Highly effective for semi-finishing tasks where surface finish and dimensional accuracy are required, as well as roughing stages requiring high feed rates.

Machining Advantages

  • Durability: Enhanced resistance to notch wear and built-up edge (BUE), common issues when processing stainless steel.

  • Economy: 8 usable cutting edges provide a lower cost-per-edge.

  • Versatility: Capable of handling varying depths of cut (DOC) while maintaining stable chip breaking.

 

Main technical parameters:  

 

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