|
| * What RPM are needed? |
| First, select the applicable
tool for the target bore diameter. Use at 10,000rpm as a guideline for deburring under rotational / centrifugal force. However minimum of 8000rpm is required. |
| * How long is the tool life? |
| 4,500 holes could be processed for the cross-hole
deburring (refer to *1) using “CH-A12-5M” in certain test conditions. *1 Material; S45C, Bore diameter in primary processing; ø10 mm, Bore diameter in secondary processing; ø5 mm. It is over 7 times longer life than with diamond abrasives-impregnated nylon brush, and over 3 times longer than with Product F. Actual tool life is greter, because it can be continued to be used even after deburring 4,500 holes simply by increasing RPM. |
| * What size burrs can be removed? |
| This tool is designed for the removal of fine burrs where the base thickness is 0.1 mm or less after machine processing. |
| * What are the fiber rods made of? |
| Alumina Fiber Filaments are bound by a resin
binder and then made into rods. Alumina Fiber Filaments become the abrasive material. |
| * What kind of rotary machine can these tools be used with? |
| These tools can be used with NC lathes, custom
machines, however at least 8,000rpm is needed as centrifugal force is
utilized (maximum RPM is 12,000 rpm). If the RPM is not enough, increase RPM by using an air spindle or speed-multiplying spindle. |
| * What is the level of surface roughness after processing? |
| Rmax of approximately 2.2μm can be achieved. Ra depends on initial surface roughness, but approximately 0.1μm can be achieved. |
| * What kind of successful applications do you have? |
| We have successful applications in cross-hole deburring automobile engine parts and the polishing the bottom surface of dead-end holes after drilling, end milling etc. |
| * What kind of work can be processed? |
| Metal softer than HRC57 such as stainless steel, aluminum alloys, general steel, copper etc. can be processed. We have successful applications for fine deburring of cemented carbide. |
| * Doest wet (oil) processing have any problems? |
| they can be used for both dry and wet processing. |
| * Does the process affect the internal bore diameter in primary processing? |
| Depending on the processing condition, grinding amount of the internal surface is a few μm. |
| * What is the applicable range of bore diameters? |
| Three sizes of brush can accommodate primary bore diameters ranging from ø5mm to ø20mm. |
| * Is the brush shape deformed during the processing? |
| As there is virtually no fiber rod configurational change such as distortion or expansion during the deburring process (unlike nylon or wire brushes), more consistently stable deburring and grinding performance on tip of the rod can be attained. |
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