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Solution Name:{{SolutionName}}- Products
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- Metalworking Tools
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- Solid Carbide End Milling
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- DUO-LOCK Modular Milling
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- DUO-LOCK Modular End Mills • HARVI
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- DUO-LOCK™ • HARVI™ II • Radiused • 5 Flutes • Inch
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DUO-LOCK™ • HARVI™ II • Radiused • 5 Flutes • Inch
HARVI II • UDDV • Unequal Flute Spacing
Features and benefits
- Unequal flute spacing and variable helix configuration minimize chatter and harmonics for smoother machining.
- Non-center cutting.
- Ramping up to 3°.
- Five-flute geometry able to slot up to 1 x D.
- Single tool for both roughing and finishing, reducing setups.
- Standard items listed. Additional styles and coatings made-to-order.
Uses and application
- Helix Angle: 37°/39°
- Ramping: 3°
- Slotting: Square End
- Side Milling/Shoulder Milling: Square End
- Tool Dimensions: Flute Configuration: 5
- Corner Style: Corner Radius
End Mill Tolerances | |
D1 | tolerance e8 |
13/32 | -0,00126"/-0,00232" |
23/32 | -0,00157"/-0,00287" |
-0,00197''/-0,00350'' |
HARVI II • UDDV • Unequal Flute Spacing
Side Milling (A) and Slotting (B) | short | medium | long | Recommended feed per tooth (IPT = inch/th) for side milling (A). For slotting (B), reduce IPT by 20%. | ||||||||||||||||
A | B | adapter reach | D1 | |||||||||||||||||
KC643M | KC643M | KC643M | ||||||||||||||||||
Cutting Speed | Cutting Speed | Cutting Speed | frac. | 3/8 | 1/2 | 5/8 | 3/4 | 1 | 1 1/4 | |||||||||||
Material | ap | ae | ap | Min | Max | Min | Max | Min | Max | dec. | .3750 | .5000 | .6250 | .7500 | 1.2500 | 1.2500 | ||||
P | 5 | 1.5 x D | 0.4 x D | 1 x D | 200 | – | 330 | 170 | – | 280.5 | 160 | – | 264 | IPT | .0016 | .0020 | .0023 | .0026 | .0033 | .0033 |
6 | 1.5 x D | 0.4 x D | 0.75 x D | 160 | – | 250 | 136 | – | 212.5 | 128 | – | 200 | IPT | .0013 | .0016 | .0019 | .0021 | .0024 | .0024 | |
S | 1 | 1.5 x D | 0.3 x D | 0.3 x D | 160 | – | 300 | 128 | – | 240 | 96 | – | 180 | IPT | .0019 | .0025 | .0029 | .0033 | .0041 | .0041 |
2 | 1.5 x D | 0.3 x D | 0.3 x D | 80 | – | 130 | 64 | – | 104 | 48 | – | 78 | IPT | .0010 | .0013 | .0015 | .0018 | .0022 | .0022 | |
3 | 1.5 x D | 0.3 x D | 0.3 x D | 80 | – | 130 | 64 | – | 104 | 48 | – | 78 | IPT | .0010 | .0013 | .0015 | .0018 | .0022 | .0022 | |
4 | 1.5 x D | 0.4 x D | 1 x D | 160 | – | 200 | 128 | – | 160 | 96 | – | 120 | IPT | .0014 | .0018 | .0021 | .0024 | .0030 | .0030 | |
H | 1 | 1.5 x D | 0.4 x D | 0.75 x D | 260 | – | 460 | 208 | – | 368 | 156 | – | 276 | IPT | .0017 | .0022 | .0026 | .0029 | .0034 | .0034 |
2 | 1.5 x D | 0.2 x D | 0.5 x D | 230 | – | 390 | 184 | – | 312 | 138 | – | 234 | IPT | .0013 | .0016 | .0019 | .0021 | .0024 | .0024 |