55degree solid carbide end mills, 4flute end mill cutter, long end mill, flat end mill
The Corner Radius End Mill combines the advantages of ball nose end mill and flat end mill. The curve surface of the cutter head is not as big as that of the ball nose end mill, but only a small radian angle, so the tip of flute will not easily wear out as ball nose end mill.
Popular standard size(Can be available from stock, ready to ship):
| D Cutting Dia.(mm) | d Shank Dia.(mm) | R Radius(mm) | Lc Cutting length(mm) | L Overall length(mm) |
| 2 | 4 | 0.2 | 6 | 50 |
| 3 | 4 | 0.2 | 9 | 50 |
| 3 | 4 | 0.2 | 9 | 50 |
| 4 | 4 | 0.2 | 11 | 50 |
| 4 | 4 | 0.5 | 11 | 50 |
| 5 | 6 | 0.3 | 13 | 50 |
| 5 | 6 | 0.5 | 13 | 50 |
| 6 | 6 | 0.5 | 16 | 50 |
| 6 | 6 | 1 | 16 | 50 |
| 8 | 8 | 0.5 | 20 | 60 |
| 8 | 8 | 1 | 20 | 60 |
| 10 | 10 | 0.5 | 25 | 75 |
| 10 | 10 | 1 | 25 | 75 |
| 12 | 12 | 0.5 | 30 | 75 |
| 12 | 12 | 1 | 30 | 75 |
| 16 | 16 | 1 | 36 | 100 |
Remark:
1,Betalent carbide keeps stock for standard size listed, ready to ship in most situations.
2,Size beyond this list can be customized as per drawing or sample.
3,Different grades carbide can be applied base on work piece character specially the hardness.
For milling workpiece of which hardness is below HRC 55 to 60 degree, carbide grade BT55 is applied as raw material(ground carbide rod), BT45 has below physical characters:
| Grade | Co% | Grain Size | Density (g/cm) | Hardness(HRA) | TRS N/mm2 | Application |
| BT55 | 12 | 0.4 | 14.1 | 92.6 | 4600 | For cutting tools machining titanium alloy, heat resistant alloy, stainless steel, quenched steel(HRC55-58), gray cast iron. |
Because the center point of the ball nose end mill is always static in high speed milling, which makes the tip of ball nose end mill act to the workpiece in a grinding way instead of milling, so the end of flute is easily wear out, corner radius end mill doesn’t have this problem. At the same time, the bottom of the end mill maintains the characteristics of the flat end mill. Which enables it to mill flat workpiece surface in a good quality. However, the range of the curved surface can be milled by corner radius end mill is not wide, it is suitable for small angle curved surface milling, you need to use ball nose end mill for big angle curved surface milling.
Please contact sales person for further details.
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2 Flutes HRC60 Degree Corner Radius End Mill For Titanium Alloy Images
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