Mitsubishi MLG2030L UTi20T Grooving Insert | MMC Japan
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MLG2030L UTi20T
Mitsubishi Materials | Precision 3.0mm External Grooving Insert
The Mitsubishi MLG2030L UTi20T is a high-precision indexable grooving insert specifically engineered for small-part machining and precision turning. Designed for the SMG series tool holders, this insert provides a stable 3.0mm groove width with exceptional surface finish quality. Featuring the legendary UTi20T uncoated carbide grade, it offers an "up-sharp" edge that is the industry standard for machining non-ferrous metals such as aluminum, copper, and brass.
Technical Specifications
| ISO Designation (Metric) | MLG2030L |
|---|---|
| Groove Width (CW) | 3.0 mm (.1181") |
| Hand of Tool | Left Hand (L) |
| Carbide Grade | UTi20T (Uncoated K-Type) |
UTi20T Uncoated Carbide
The UTi20T grade is a classic uncoated tungsten carbide. It is renowned for its sharp cutting edge and high thermal conductivity. It effectively prevents built-up edge (BUE) when grooving aluminum or copper alloys, ensuring dimensional accuracy and a mirror-like surface finish.
MLG Precision Geometry
The MLG geometry is optimized for small-part precision grooving. Its sharp rake angle ensures low cutting resistance, which is critical for reducing vibration in small-diameter workpieces. This insert is ideal for CNC automatic lathe operations where precision is paramount.
Recommended Cutting Parameters
| Workpiece Material | Cutting Speed ($v_c$) | Feed Rate ($f$) |
|---|---|---|
| Aluminum Alloy / Copper | 150 - 350 m/min | 0.05 - 0.20 mm/rev |
| Cast Iron (Gray/Ductile) | 80 - 150 m/min | 0.05 - 0.18 mm/rev |
HOLDER COMPATIBILITY
This MLG20 series insert fits all Mitsubishi SMG series external grooving holders.
Shop SMG Holders →Metric vs. Inch Comparison
| Feature | ISO: MLG2030L | ANSI Equivalent |
|---|---|---|
| Groove Width | 3.0 mm | .118" |
| System Shank | 20 mm Series | ~.787" Shank Fit |