BB Tools
BB Ball Nose End Mill for Hard Steel-BK2063
BB Ball Nose End Mill for Hard Steel-BK2063
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BB® Solid Carbide Ball Nose End Mills
Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid tool-holding systems.
Tolerance of End Mill Diameter:
1 < D≤6 -0.010 ~ -0.030
6 < D≤10 -0.015 ~ -0.040 10 < D≤ 20 -0.020~-0.050
Double-edge design improves rigidity and surface finish effectively. Cutting edge over the center reduces the cutting resistance. High capacity of junk slot benefits chip removal and increases machining efficiency. 2 flutes design is good for chip removal, easy for vertical feed processing, widely used in slot, profile, and hole processing.
BB® Micro Ball End Mill (Click on the image below)
-R0.1~R1
-Regular length &Long neck length
BB® BK2045 Ball Nose End Mills
Color: Dark grey. Density: 14.5 g/cm3
Hardness: HRA 91.5 Grain Size: 0.8um
Bending Strength: 2800N/mm2
Raw material: YG10X with 10% Co content and 0.8um grain size.
Coating: TiALN, high aluminum content provides excellent hot hardness and oxidation resistance.
A good choice for milling general steels weaker than HRc35. But, because of the aluminum content, it is not good choice for aluminum.
BB® BB2055 Ball Nose End Mill
Color: Copper Density: 14.5 g/cm3
Hardness: HRA 92 Grain Size: 0.6um
Bending Strength: 3000N/mm2
Raw material: Use ZK30UF with 10%Co content and 0.6um grain size.
Coating: TiSiN, with very high surface hardness and good wear resistance.
Suitable for milling general steel under HRc50, stainless steel, hardened steel, etc
BB® BL2060 Ball Nose End Mills
Color: Blue. Density: 14.5 g/cm3
Hardness: HRA 93 Grain Size: 0.4um
Bending Strength: 4000N/mm2
Raw material: Use GU25UF with 12% Co content and 0.4um grain size.
Coating: AlTiSiN, with the hardness and thermal stability are up to 4000HV and 1200 ℃, respectively.
Suitable for milling stainless steel, hardened steel ,titanium alloy , etc
Dimensions:
BB® BK2063 Ball Nose End Mills
The unique diamond coating enables the milling cutter to process harder materials. But at the same time, it should be noted that it is not suitable for soft material machining.
Cutting Parameters
vc=130 (120-180)m/min ap=1/3D(1/8-1/2D)
ae=1/2D(1/4-1D) fz=0.15mm(0.02-0.2)
Please adjust the parameters according to the material and hardness of workpieces.
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