Description OF Micro Diameter Square End Mill
Adopting a suitable negative rake angle design that takes into account the strength and sharpness of the cutting edge, while also adopting a large core diameter to enhance the rigidity of the cutting tool and make its cutting and chip removal more stable; Large capacity chip removal has strong cutting characteristics and timely discharge during cutting, which can achieve stable and fast processing, and the workpiece accuracy is more glossy; Adopting a circular arc blade with edge cleaning design, the milling cutter has less wear during milling, and the blade is durable and sharp, matched with a 35 ° spiral groove for smooth chip removal; The universal chamfered round handle is easy to use, has good compatibility, enhances the vibration resistance and cutting speed of the milling cutter, and holds tightly without slipping.
Milling parameters OF Micro Diameter Square End Mill
HRC55 Carbide Micro Diameter Square End Mill
| Tool length | fz&v |
| Short | 1 |
| Long1 | 0.9 |
| Overlength | 0.8 |
| Speciality | 0.6 |
| Type | Material | Strength N/mm² Hardness HRC | Cooling |
| Air | Dry cutting | Lubricating fluid |
| P | PI | P1.1 | Non alloy structural steel, free cutting structural steel, carburized steel and quenched and tempered steel | <700 | √ | √ | √ |
| P1.2 | quenched and tempered steel | <1200 | √ | √ | √ |
| P2 | P2.1 | Alloyed nitrided steel, carburized steel and quenched and tempered steel | <900 | √ | √ | √ |
| P2.2 | Tool steel, bearing steel, spring steel and high-speed steel | <1400 | √ | | √ |
| P3 | P3.1 | Tool steel, bearing steel, spring steel and high-speed steel | <900 | √ | √ | √ |
| P3.2 | Tool steel, bearing steel, spring steel and high-speed steel | <1500 | √ | | √ |
 | Sloting |
Vc
(m/min) | fz(mm/Tooth) |
| Diameter |
| 2 | 4 | 6 | 8 | 10 | 12 | 16 | 20 |
| 112 | 0.01 | 0.018 | 0.026 | 0.034 | 0.041 | 0.048 | 0.06 | 0.069 |
| 92 | 0.01 | 0.017 | 0.025 | 0.032 | 0.038 | 0.045 | 0.056 | 0.065 |
| 100 | 0.01 | 0.018 | 0.026 | 0.034 | 0.041 | 0.048 | 0.06 | 0.069 |
| 72 | 0.009 | 0.015 | 0.022 | 0.028 | 0.034 | 0.04 | 0.05 | 0.058 |
| 64 | 0.01 | 0.018 | 0.025 | 0.032 | 0.039 | 0.045 | 0.057 | 0.066 |
| 56 | 0.009 | 0.016 | 0.023 | 0.029 | 0.036 | 0.041 | 0.052 | 0.06 |
 | Roughing |
Vc
(m/min) | fz(mm/Tooth) |
| Diameter |
| 2 | 4 | 6 | 8 | 10 | 12 | 16 | 20 |
| 228 | 0.018 | 0.031 | 0.045 | 0.057 | 0.070 | 0.081 | 0.101 | 0.118 |
| 208 | 0.017 | 0.029 | 0.042 | 0.054 | 0.065 | 0.071 | 0.095 | 0.11 |
| 184 | 0.018 | 0.031 | 0.045 | 0.057 | 0.070 | 0.081 | 0.101 | 0.118 |
| 144 | 0.015 | 0.026 | 0.037 | 0.048 | 0.058 | 0.068 | 0.085 | 0.098 |
| 132 | 0.017 | 0.03 | 0.042 | 0.054 | 0.066 | 0.077 | 0.096 | 0.112 |
| 112 | 0.015 | 0.027 | 0.039 | 0.05 | 0.060 | 0.07 | 0.088 | 0.102 |
 | Finish |
Vc
m/min | fz(mm/Tooth) |
| Diameter |
| 2 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| 332 | 0.028 | 0.05 | 0.07 | 0.091 | 0.11 | 0.128 | 0.144 | 0.16 | 0.173 | 0.186 |
| 272 | 0.026 | 0.046 | 0.066 | 0.085 | 0.103 | 0.12 | 0.135 | 0.15 | 0.162 | 0.173 |
| 304 | 0.028 | 0.05 | 0.07 | 0.091 | 0.11 | 0.128 | 0.144 | 0.16 | 0.173 | 0.186 |
| 212 | 0.023 | 0.041 | 0.059 | 0.076 | 0.092 | 0.107 | 0.121 | 0.134 | 0.145 | 0.155 |
| 196 | 0.027 | 0.047 | 0.067 | 0.086 | 0.104 | 0.122 | 0.137 | 0.152 | 0.165 | 0.177 |
| 168 | 0.024 | 0.043 | 0.061 | 0.079 | 0.095 | 0.111 | 0.125 | 0.139 | 0.150 | 0.161 |
Note OF Micro Diameter Square Endmill
- If the following carbide micro diameter flat milling cutter cannot meet your requirements, we support OEM customized production. The diameter of 0.2mm to 25mm, the total length of 50mm to 200mm, 4F, 5F, 6F, 8F and logo can be customized, including inch size end milling cutter. Please contact us to select or customize non-standard carbide end mill according to your needs.
| flute diameter | flute length | Shank Dia | overall length |
| 0.1 | 0.2 | 4 | 50 |
| 0.15 | 0.3 | 4 | 50 |
| 0.2 | 0.4 | 4 | 50 |
| 0.25 | 0.5 | 4 | 50 |
| 0.3 | 0.6 | 4 | 50 |
| 0.35 | 0.7 | 4 | 50 |
| 0.4 | 0.8 | 4 | 50 |
| 0.5 | 1 | 4 | 50 |
| 0.6 | 1.2 | 4 | 50 |
| 0.7 | 1.4 | 4 | 50 |
| 0.8 | 1.6 | 4 | 50 |
| 0.9 | 1.9 | 4 | 50 |
| R0.1 | 0.4 | 4 | 50 |
| R0.15 | 0.6 | 4 | 50 |
| R0.2 | 0.8 | 4 | 50 |
| R0.25 | 1 | 4 | 50 |
| R0.3 | 1.2 | 4 | 50 |
| R0.35 | 1.4 | 4 | 50 |
| R0.4 | 1.6 | 4 | 50 |
| R0.45 | 1.8 | 4 | 50 |
Feature OF Micro Diameter Square Endmill
- Knife body made of tungsten steel material
- Tool heat resistance increased by 80%
- Sharp and wear-resistant, smooth cutting
- High gloss mirror finish, not easy to stick to knives
Instructions OF Micro Diameter Square Endmill
1. Before using the carbide micro diameter flat milling cutter, please measure the tool deflection. If the tool deflection accuracy exceeds 0.01mm, please correct it before cutting.
2. The shorter the carbide e extends out of the collet, the better. If the tool extends out longer, reduce the speed, feed speed or cutting amount.
3. In case of abnormal vibration or sound during cutting, please reduce the speed and cutting amount until the situation is improved.
4. Spray type and air jet type are preferred for steel cooling, which can improve the use effect of carbide micro diameter square milling cutter.
5. Note: Not suitable for low speed machines such as rotary table and electric hand drill.
Applications OF Micro Diameter Square Endmill
The cutting edge of the HRC55 micro diameter square cutter is covered with a bronze colored nano coating, suitable for materials within HRC55, including iron, carbon steel, cast iron, mold steel, alloy steel, tool steel, heat treated steel, and welding repair steel
Q1. The tool breaks when cutting in or pulling out the workpiece
The feed rate and cutting depth can be reduced, and the cutting edge length can be shortened to the minimum of the necessary length.
Q2. Tool breaks during normal machining
Reduce the feed rate and cutting depth.
The tool shall be passivated.
Replace the clamp or spring collet.
The tool with high cutting edge number changes the tool with low cutting edge number to improve chip removal and prevent chip blockage.
Replace dry milling with wet milling (using cutting fluid), and use it with vortex tube gun to reduce tool temperature and avoid tool overheating.
If the wet milling fluid supply direction is changed from the front to the oblique rear or transverse top, the coolant flow should be sufficient.
Q3. The tool breaks when the feed direction changes
(1) Use arc interpolation (NC machine tool), or temporarily stop (temporarily) feeding.
(2) Reduce (decrease) the feed before and after the direction change.
(3) Replace the clamp or spring collet.
Q4. Problem: Part of the blade tip breaks
Chamfer the corners with manual grinding.
Change down milling to up milling.
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