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Precision Max CNC Parting and Grooving Insert for Fine Surface Finishing Results

MGGN-GL

M: “M” usually designates a grooving insert with double-ended cutting edges, designed for parting and external grooving operations. It often indicates a mechanically clamped insert style.

  • Designed for blade-type holders
  • Good for radial cutting loads
  • Suitable for external grooving and parting-off

G: The first “G” = Grooving application

Indicates the insert is designed for:

  • External grooving
  • Face grooving (in some systems)
  • Light to medium parting

G: The second “G” is Tolerance Grade, which stand for Ground(±0.025).

Indicates that the insert has:

  • Ground cutting edges
  • Ground flank surfaces
  • Higher dimensional accuracy

N: “N” usually stands for Neutral Cutting Direction.

Meaning:

  • Not left-hand or right-hand specific
  • Can be used in neutral toolholders

GL: “GL” refers to a specific chip breaker geometry designed for non-ferrous metals and titanium alloys. It is optimized for soft materials, slender workpieces, and general-purpose parting operations, featuring a sharp cutting edge and positive rake design to reduce cutting forces, improve chip flow, and minimize vibration and burr formation.

 

Keywords:

Parting and Grooving Insert, Carbide Cutting Insert, Turning Insert, Indexable Cutting Tool, CNC Cutting Insert, Precision carbide cutter, Internal Cutting Tool, Miniature Turning Tool, Fine Metal Lathe Insert, PVD Coated Cutting Tool, CVD Coated Carbide Insert

Description

Introduction:

MGGN-GL parting and grooving insert represents a cutting-edge solution in precision metal machining, developed for engineers and industrial R&D applications. Manufactured from K-grade ultra-fine carbide substrates and enhanced with multi-layer PVD TiAlN/TiN coatings, the insert exhibits exceptional wear resistance, thermal stability, and oxidation resistance under extreme high-speed conditions. Their micro-geometry, including optimized rake angles, micro-chamfered edges, and chip-breaker design, minimizes cutting forces, mitigates built-up edge formation, and ensures superior surface integrity. The insert is validated for machining hardened steels, stainless steels, and cast irons, delivering consistent dimensional accuracy and repeatable tool life. Rigorous laboratory and field tests provide quantified tool wear curves and reliable performance metrics, supporting high material removal rates and precise chip control. Compatible with standard parting and grooving tool holders, MGGN-GL enables efficient, predictable, and high-precision operations in aerospace, automotive, and advanced industrial manufacturing environments.

  1. Revolutionary Surface Engineering:

MGGN-GL features a precision-engineered nano-textured surface that dramatically reduces friction and optimizes wear resistance, ensuring unparalleled tool longevity even under extreme load conditions.

  1. Ultra-High Precision Machining:

Designed for exceptional dimensional stability, it guarantees consistent cutting tolerances with minimal thermal expansion, enabling precision operations at elevated speeds without compromise.

  1. Proprietary Geometric Optimization:

Its innovative cutting-edge geometry minimizes vibration and chatter, delivering superior surface finish and reducing tool deflection in the most demanding machining scenarios.

  1. State-of-the-Art Coating Technology:

Multi-layered, gradient-hardness coatings provide outstanding oxidation and thermal resistance, extending tool life and maintaining razor-sharp cutting performance across aggressive materials.

  1. Versatile Functional Excellence:

Engineered to efficiently handle a broad range of workpiece materials—including high-strength alloys and hardened steels—while maintaining optimal chip control, thermal stability, and cutting efficiency.

  1. Advanced Thermal Management:

Optimized insert design enhances heat dissipation, preventing localized hotspots that could compromise performance or surface integrity, even in continuous high-speed operations.

 

Main technical parameters:

Type

INSL S BW AN

MGGN20_

16.00 3.40 1.60

MGGN30_ 21.00 4.70 2.35

MGGN40_ 21.00 4.70 3.30

MGGN50_ 26.00 5.70 4.10

 

Type

CW RE fn (mm/r)

MGGN2002-GL

2.00 0.2 0.05-0.18

MGGN3004-GL

3.00 0.4

0.07-0.25

MGGN4004-GL 4.00 0.4

0.08-0.30

MGGN5008-GL 5.00 0.8

0.09-0.35

 

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