The most common methods for deep hole machining of cnc machining titanium parts
3 methods for deep hole machining of cnc machining titanium parts:
1) The nesting knife is used to machine deep holes;
2) The long handle twist drill is processed on a general machine tool;
3) Use deep hole drilling to process on special deep hole drilling machine.
cnc machining titanium parts
cnc machining titanium
1. The nesting knife is used to process deep holes in cnc machining titanium parts.
Deep holes with larger apertures (usually larger than 50 mm in diameter) should be processed with a nesting knife. This approach reduces the cutting load and then increases productivity and reduces data consumption. The nesting knife used, when the diameter is small, the whole welding type is used, and when the diameter is large, the assembly type or the adjustable type can be selected. The tool should be used for guiding wear-resistant inserts. The data can be cloth bakelite, hard alloy, rolling bearings, etc. The cutting edge planning should also consider chipping and chip breaking. It is also suitable for mass production.
2. The long handle twist drill is processed on a general machine tool in cnc machining titanium parts.
The long handle twist drill is a long handle welded on a typical twist drill. Because the axial force during drilling is large, the two edges of the drill bit are not easy to be ground, the quality of the drill bit is not easy to ensure, and the rigidity of the cutter bar is poor, so the oscillation is easy to occur during processing, and the center line of the hole is prone to skew because the drill bit The chip space is limited. In order to chip and cool the tool, the bit must be withdrawn after a length of machining (usually 5 to 10 mm). For the spindle with a long axial hole, the method of drilling from both ends is used. Therefore, this deep hole processing method has poor quality, low productivity, and high labor intensity. However, since the tool is simply produced, general-purpose equipment can be used, and thus it is used in a single-piece small-volume production.
3. Use deep hole drilling to process on special deep hole drilling machine.
The use of deep hole drilling for deep holes better handles the problems of tool deflection, tool cooling and chip breaking and chip removal in deep hole machining, which significantly improves the processing quality and productivity. Can be machined to deep holes of 10~30. For deep hole machining machines, special deep hole drilling machines are available, and the usual lathes can also be modified.
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