The DNMG shim is a precision-engineered support component designed for use with DNMG turning inserts in external turning and profiling applications. Positioned beneath the insert inside the toolholder pocket, the shim acts as a protective wear surface, preventing direct damage to the holder caused by cutting forces, vibration, heat, and repeated insert indexing during machining operations.
Manufactured from hardened alloy steel with high wear resistance, the DNMG shim ensures accurate insert seating and secure clamping performance for improved machining stability and repeatability. By maintaining proper insert positioning, the shim contributes to better surface finishes, dimensional accuracy, and consistent cutting performance while significantly extending the lifespan of the toolholder.
Designed for compatibility with standard 55° diamond-shaped DNMG negative inserts, these shims are suitable for both CNC and conventional turning operations. Precision-ground contact surfaces ensure tight tolerances and reliable support under both light finishing and heavy roughing conditions.
Technical Information:
- Compatible with standard DNMG inserts
- Designed for external turning and profiling toolholders
- Insert shape compatibility: 55° diamond negative inserts
- Material: Hardened alloy steel
- Precision-ground seating surfaces
- High resistance to wear, heat, and deformation
- Protects toolholder insert pocket from premature wear
- Improves insert stability and positioning accuracy
- Suitable for high-speed and heavy-duty machining
- Quick and easy replacement for reduced maintenance downtime
Suitable machining applications:
- Steel machining
- Stainless steel turning
- Cast iron applications
- Alloy and hardened materials
- General engineering and production machining
The DNMG shim is an essential tooling component for maintaining optimal toolholder performance, improving machining reliability, and reducing long-term tooling costs in demanding industrial environments.
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