Mitsubishi TPGH090202L-FS VP15TF | Left-Hand PVD Finishing Insert
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TPGH090202L-FS VP15TF
Mitsubishi Materials | PVD Coated "Miracles" Grade (Left-Hand)
The Mitsubishi TPGH090202L-FS VP15TF is a high-precision Left-Hand (L) PVD coated carbide insert engineered for super-finishing. Utilizing the legendary VP15TF Miracles grade, it offers an exceptional balance of wear resistance and edge toughness. The FS chipbreaker is designed for ultra-fine finishing at light depths of cut, making this a critical long-tail precision tool for CNC machining of stainless steel, alloy steel, and exotic materials.
AlTiN PVD Coated | 11° Positive Relief | FS Super-Finish Breaker
Technical Code Identification
Triangular Shape
11° Positive Relief
G-Tolerance
Hole/Chip Feature
9mm Edge Length
2.38mm Thick
0.2mm Radius
Left-Hand
Finish Breaker
Metric (ISO) vs Inch (ANSI) Reference
| Specification | ISO Model (Metric) | ANSI Model (Inch) |
|---|---|---|
| Part Number | TPGH090202L-FS | TPGH 21.50.5L FS |
| Inscribed Circle | 5.56 mm | 0.219" (7/32") |
| Corner Radius | 0.2 mm | 0.008" |
VP15TF PVD Carbide
The VP15TF grade is a micro-grain carbide coated with AlTiN. This "Miracles" coating provides incredible heat resistance and prevents built-up edge (BUE). It is specifically engineered for lathe turning operations that require stable machining across carbon steels, stainless steels, and cast iron.
FS "Super-Finish" Breaker
The FS chipbreaker features an ultra-sharp cutting edge and high positive geometry. It provides superior chip evacuation even at the lightest depths of cut, ensuring a clean workpiece surface and preventing the stringy chips common in CNC boring of stainless materials.
Recommended Cutting Parameters
| Workpiece Material | Speed ($v_c$) | Feed ($f$) | DOC ($a_p$) |
|---|---|---|---|
| Stainless Steel (304/316) | 60 - 150 m/min | 0.03 - 0.08 mm/rev | 0.1 - 0.5 mm |
| Carbon & Alloy Steel | 80 - 190 m/min | 0.03 - 0.10 mm/rev | 0.1 - 0.6 mm |
REQUIRED LEFT-HAND HOLDERS
Designed for Left-Hand (L) tool paths. Optimized for use with STFPL or STGPL boring bars and tool holders.
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