The MSDNN Turning Tool Holder is a high-performance, neutral-style lathe tool holder designed for heavy-duty external turning and precision chamfering. With its 45-degree approach angle, this dnmg tool holder balances radial and axial cutting forces to minimize vibration. As a robust dnmg holder, it utilizes an M-type multi-lock system to secure DNMG, DNMA, and DNMM inserts, making it a versatile dnmg insert holder for the most demanding CNC turning tool holder types.
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High-Stability MSDNN Neutral Tool Holder with 45° Lead Angle
The MSDNN tool holder is a specialized choice within the indexable turning tool holders category, optimized for high material removal rates. Its neutral 45-degree geometry makes it a superior lathe turning tool holder for heavy roughing, as the angle protects the insert tip and distributes heat effectively. Whether you are performing straight turning or creating 45-degree chamfers, this series provides the rigidity expected from a professional tool holder for turning.
Multi-Insert Compatibility: DNMG, DNMA, and DNMM
The MSDNN is precision-engineered to accommodate 55-degree diamond inserts, allowing you to adapt your setup to specific workpiece materials:
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DNMG Inserts: The primary choice for general steel and stainless steel applications, often used in a standard dnmg holder setup.
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DNMA Inserts: Designed for cast iron machining, offering the flat-top stability required for brittle materials.
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DNMM Inserts: The reinforced edge option for heavy roughing and interrupted cuts within the dnmg insert holder family.
Rigid M-Type Multi-Lock Clamping System
Stability is paramount when utilizing a dnmg neutral tool holder for heavy cuts. The MSDNN features the industrial-grade M-type clamping mechanism, which secures the insert via both a top clamp and a center pin. This double-locking action prevents insert shifting under high-torque conditions, ensuring that your dnmg tool holder maintains consistent accuracy and delivers an excellent surface finish.
Specifications Table
| Feature | Details |
| Model Number | MSDNN (e.g., MSDNN 2525 M15) |
| Tool Orientation | Neutral (Centrally Mounted) |
| Clamping System | M-Type (Double Clamp / Multi-lock) |
| Approach Angle | 45° (Ideal for Heavy Roughing & Chamfers) |
| Compatible Inserts | DNMG, DNMA, DNMM (Size 1504 / 1506 / 432) |
| Primary Category | Tool holder for turning |
| Body Material | Hardened High-Strength Alloy Steel |
Q: What is the advantage of the 45° angle on a dnmg neutral tool holder?
A: The 45° angle on the MSDNN significantly reduces the chip thickness and balances cutting forces. This allows for much higher feed rates compared to 95° holders, making it an excellent dnmg tool holder for high-efficiency roughing and chamfering.
Q: Can I use the MSDNN for profiling toward a 90-degree shoulder?
A: No. Due to its 45-degree approach angle, the MSDNN will interfere with a 90-degree shoulder. It is designed specifically for longitudinal turning, tapering, and chamfering. For shoulders, a 93° dnmg holder like the MDJNR is recommended.
Q: How does the M-type clamp improve performance in a dnmg insert holder?
A: The M-type system pulls the insert down and back into the pocket simultaneously. This “Multi-lock” security is vital for indexable turning tool holders during heavy-duty cycles, as it prevents micro-vibrations that cause carbide chipping and premature tool failure.
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