Oil path connection sleeve of numerical control lathe and thermal treatment technology of oil path connection sleeve
A technology of CNC lathes and connecting sleeves, applied in heat treatment furnaces, heat treatment equipment, turning equipment, etc., can solve the problems of insufficient fatigue resistance and impact toughness, insufficient tensile strength, and inability to resist fatigue and impact fracture, etc. Achieve resistance to fatigue and impact fracture, high fatigue resistance and impact toughness
Inactive Publication Date: 2014-12-24
PINGHU CITY DANGHU STREET FEITIANREN MACHINERY GRAPHIC DESIGN SERVICE DEPT
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Problems solved by technology
[0004] The purpose of the present invention is to solve the problem that some existing CNC lathe oil circuit connecting sleeves do not have high enough tensile strength to resist elongation, breaking, slipping and wear, and the fatigue resistance and impact toughness are not high enough to be Resistance to fatigue and impact fracture, not well applied to the problem of CNC lathes
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[0011] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0012] As shown in the figure, the present invention includes a body 2 and a heat treatment process. The body 2 is configured as a cylindrical structure, and keyway-shaped through holes are provided at the front and rear of it, which are set as the first through hole 5, and the left and right sides are provided with Two circular through holes are respectively the second through hole 3 and the third through hole 4. A cylindrical through hole is arranged in the middle of the body 2, which is set as the fourth through hole 1. The heat treatment process is characterized by After heating to austenitization, immerse in a suitable quenching medium to cool at a faster rate.
[0013] When selecting the quenching medium for the heat treatment process, sufficient cooling capacity should be ensured first, that is, the quenching medium with high cooling capacity should be...
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The invention discloses an oil path connection sleeve of a numerical control lathe and a thermal treatment technology of the oil path connection sleeve. The oil path connection sleeve comprises a body and a thermal treatment process, wherein the body is of a cylindrical structure; key slot-shaped through holes which are first through holes are formed in the front side and the rear side of the body; two circular through holes which are a second through hole and a third through hole are formed in the left side and the right side; a cylindrical through hole which is a fourth through hole is formed in the middle of the body. The thermal treatment technology is characterized in that heating the oil path connection sleeve until austenite is smelted, immersing the oil path connection sleeve into a proper quenching medium, and cooling the oil path connection sleeve at a higher speed. The oil path connection sleeve of the numerical control lathe is high enough in tensile strength to resist stretching, breaking, thread slipping and abrasion, is higher in fatigue resistance and impact toughness so as to resist fatigue and impact breakage, and can be well applied to the numerical control lathe.
Description
technical field [0001] The invention relates to a mechanical product, in particular to an oil circuit connecting sleeve of a numerically controlled lathe and a heat treatment process thereof. Background technique [0002] Some CNC lathe oil circuit connecting sleeves on the existing market cannot resist elongation, breaking, slipping and wear, and the fatigue resistance and impact toughness are not high enough to resist fatigue and impact fracture, so they cannot be used well in the CNC lathe. Contents of the invention [0003] The invention provides an oil circuit connecting sleeve of a numerically controlled lathe and a heat treatment process thereof. [0004] The purpose of the present invention is to solve the problem that some existing CNC lathe oil circuit connecting sleeves do not have high enough tensile strength to resist elongation, breaking, slipping and wear, and the fatigue resistance and impact toughness are not high enough to be Resistance to fatigue and i...
Claims
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IPC IPC(8): B23B25/00C21D1/18C21D1/56
CPCB23B25/00C21D1/18C21D9/0068
Inventor 华巧波
Owner PINGHU CITY DANGHU STREET FEITIANREN MACHINERY GRAPHIC DESIGN SERVICE DEPT