Method for prolonging service life of twist drill based on heat pipe phase changes
A twist drill and heat pipe technology, applied in twist drills, repair drills, drilling tool accessories, etc., can solve problems such as patents that have not yet been seen, and achieve the effects of reducing manufacturing costs, cutting temperature, and high heat transfer efficiency
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[0037] Example 1
[0038] Such as image 3 As shown, the schematic diagram of the wear condition of the flank face of the twist drill under different conditions of use, in which: the diameter of the twist drill used in the experimental measurement is 3mm; CF-Block (1-3) respectively indicate: when the cutting fluid is used, the twist drill of the present invention Schematic diagram of the wear condition of the knife face; HF-Block (1-3) respectively represents: the schematic diagram of the wear condition of the flank face of the twist drill of the present invention when the heat pipe 1 is used; Block (1-3) represents: 3 workpieces used for experimental measurement .
[0039] The measurement results show that under the same processing conditions, the flank wear of the twist drill using heat pipe 1 is lighter than that of the twist drill using cutting fluid.
[0040] In addition, the cutting fluid used in this experiment is a cutting fluid commonly used in manufacturing.
Example Embodiment
[0041] Example 2
[0042] Such as Figure 4 As shown, the schematic diagram of the service life of twist drills under different conditions of use, where: the diameter of the twist drill used in the experimental measurement is 10mm; SD means: cutting fluid and heat pipe 1 are not used; CF means: cutting fluid is used; HF means: When using heat pipe 1.
[0043] The measurement results show that under the same processing conditions, the life of the twist drill cooled by the heat pipe 1 is longer than that of the twist drill using the cutting fluid.
[0044] In addition, the cutting fluid used in this experiment is a cutting fluid commonly used in manufacturing.
Example Embodiment
[0045] Example 3
[0046] Such as Figure 5 As shown, the schematic diagram of twist drill processing temperature changes with time under different conditions of use, where: the diameter of the twist drill used in the experimental measurement is 20mm; SD means: cutting fluid and heat pipe 1 are not used; CF means: cutting fluid is used; HF means: use heat pipe 1; subscripts 1 and 2 respectively indicate the number of twist drills under different cooling conditions.
[0047] The measurement results show that under the same processing conditions, the temperature of the cutting part of the twist drill when the heat pipe 1 is used for cooling is lower than the temperature of the cutting part of the twist drill when the cutting fluid is used.
[0048] In addition, the cutting fluid used in this experiment is a cutting fluid commonly used in manufacturing.
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