CN105710599A - Lathe spindle machining technique - Google Patents
Lathe spindle machining technique Download PDFInfo
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- CN105710599A CN105710599A CN201410721572.9A CN201410721572A CN105710599A CN 105710599 A CN105710599 A CN 105710599A CN 201410721572 A CN201410721572 A CN 201410721572A CN 105710599 A CN105710599 A CN 105710599A
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Abstract
The invention discloses a lathe spindle machining technique. The lathe spindle machining technique is characterized by comprising the following steps of material preparation, forging, normalizing, rough machining, hardening and tempering, semi-finish machining, local quenching and tempering of an inner conical hole and an outer conical surface, rough grinding of an outer circle, the inner conical hole and the outer conical surface, hobbing of a spline, quenching and tempering of the spline, and finish grinding. The machining technique is simple, the performance in all aspects of a lathe spindle can be remarkably improved, and the service life of the lathe spindle is prolonged.
Description
Technical field
The present invention relates to a kind of lathe spindle processing technique.
Background technology
In lathe, auto manufacturing, axial workpiece is that consumption is very big and one of considerable structural member.Axial workpiece often subjects the effect of alternate stress, therefore requires that axle has higher comprehensive mechanical property；The position bearing friction also requires enough hardness and wearability.Part is mostly machined and makes, for taking into account machinability and serviceability requirement, it is necessary to make rational hot and cold processing technique to ensure the performance of lathe spindle each side.Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of lathe spindle processing technique, and this technological method for processing is simple, can significantly improve the performance of lathe spindle each side, increase its service life.
For achieving the above object, the invention provides a kind of lathe spindle processing technique, it is characterized in that, comprise the steps, the forging modified semifinishing internal taper hole of normalizing roughing of getting the raw materials ready, male cone (strobilus masculinus) selective hardening, tempering corase grind cylindrical, internal taper hole, the quenching of male cone (strobilus masculinus) hobbing spline spline, tempering fine grinding.
Further, described normalizing process is: heating-up temperature is 840～870 DEG C, is incubated 1～1.5h, air cooling of coming out of the stove after insulation.
Further, described hardening and tempering process is as follows: 1. Quench heating: with the hanging heating of well formula resistance furnace, heating-up temperature is 830～860 DEG C, is incubated 20～25min；2. quench cooling: the workpiece after warm is quenched in 15～35 DEG C of clear water, stop air cooling after 1～2min；3. tempering process: the workpiece after quenching is loaded in well formula resistance furnace, heats after being incubated 1～1.5h to 550 ± 10 DEG C, come out of the stove and be immersed in the water rapid cooling.
Further, the surface hardening of internal taper hole and male cone (strobilus masculinus) part can be put into and quickly be heated in the salt bath of deoxidation correction, after being incubated 1.5～2.5min, is taken out by workpiece and quenches in water at 970～1050 DEG C of temperature, is incubated 1～3h after quenching at 260～300 DEG C of temperature；Splined section can adopt high-frequency quenching, through the tempering of 240～260 DEG C after quenching；For reducing deformation, tapering quenching is separately performed with spline quenching, and after the quenching and tempering of tapering, then through corase grind to eliminate quenching distortion, then hobbing spline and spline quenching again, finally eliminates total deformation to refine, thus ensureing quality.
The invention has the beneficial effects as follows: technological method for processing of the present invention is simple, can significantly improve the performance of lathe spindle each side, increase its service life.
Detailed description of the invention
The invention provides a kind of lathe spindle processing technique, it is characterized in that, comprise the steps, the forging modified semifinishing internal taper hole of normalizing roughing of getting the raw materials ready, male cone (strobilus masculinus) selective hardening, tempering corase grind cylindrical, internal taper hole, the quenching of male cone (strobilus masculinus) hobbing spline spline, tempering fine grinding.
Further, described normalizing process is: heating-up temperature is 840～870 DEG C, is incubated 1～1.5h, air cooling of coming out of the stove after insulation.
Further, described hardening and tempering process is as follows: 1. Quench heating: with the hanging heating of well formula resistance furnace, heating-up temperature is 830～860 DEG C, is incubated 20～25min；2. quench cooling: the workpiece after warm is quenched in 15～35 DEG C of clear water, stop air cooling after 1～2min；3. tempering process: the workpiece after quenching is loaded in well formula resistance furnace, heats after being incubated 1～1.5h to 550 ± 10 DEG C, come out of the stove and be immersed in the water rapid cooling.
Further, the surface hardening of internal taper hole and male cone (strobilus masculinus) part can be put into and quickly be heated in the salt bath of deoxidation correction, after being incubated 1.5～2.5min, is taken out by workpiece and quenches in water at 970～1050 DEG C of temperature, is incubated 1～3h after quenching at 260～300 DEG C of temperature；Splined section can adopt high-frequency quenching, through the tempering of 240～260 DEG C after quenching；For reducing deformation, tapering quenching is separately performed with spline quenching, and after the quenching and tempering of tapering, then through corase grind to eliminate quenching distortion, then hobbing spline and spline quenching again, finally eliminates total deformation to refine, thus ensureing quality.
Technological method for processing of the present invention is simple, can significantly improve the performance of lathe spindle each side, increase its service life.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to the design of the present invention without creative work.Therefore, all technical staff in the art, all should in the protection domain being defined in the patent claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (4)
1. a lathe spindle processing technique, it is characterized in that, comprise the steps, the forging modified semifinishing internal taper hole of normalizing roughing of getting the raw materials ready, male cone (strobilus masculinus) selective hardening, tempering corase grind cylindrical, internal taper hole, the quenching of male cone (strobilus masculinus) hobbing spline spline, tempering fine grinding.
2. lathe spindle processing technique as claimed in claim 1, is characterized in that: described normalizing process is: heating-up temperature is 840～870 DEG C, is incubated 1～1.5h, air cooling of coming out of the stove after insulation.
3. lathe spindle processing technique as claimed in claim 1, is characterized in that: described hardening and tempering process is as follows: 1. Quench heating: with the hanging heating of well formula resistance furnace, heating-up temperature is 830～860 DEG C, is incubated 20～25min；2. quench cooling: the workpiece after warm is quenched in 15～35 DEG C of clear water, stop air cooling after 1～2min；3. tempering process: the workpiece after quenching is loaded in well formula resistance furnace, heats after being incubated 1～1.5h to 550 ± 10 DEG C, come out of the stove and be immersed in the water rapid cooling.
4. lathe spindle processing technique as claimed in claim 1, it is characterized in that: the surface hardening of internal taper hole and male cone (strobilus masculinus) part can be put into and quickly be heated in the salt bath of deoxidation correction, after being incubated 1.5～2.5min at 970～1050 DEG C of temperature, being taken out by workpiece quenches in water, is incubated 1～3h after quenching at 260～300 DEG C of temperature；Splined section can adopt high-frequency quenching, through the tempering of 240～260 DEG C after quenching；For reducing deformation, tapering quenching is separately performed with spline quenching, and after the quenching and tempering of tapering, then through corase grind to eliminate quenching distortion, then hobbing spline and spline quenching again, finally eliminates total deformation to refine, thus ensureing quality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721572.9A CN105710599A (en) | 2014-12-03 | 2014-12-03 | Lathe spindle machining technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410721572.9A CN105710599A (en) | 2014-12-03 | 2014-12-03 | Lathe spindle machining technique |
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| CN105710599A true CN105710599A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410721572.9A Pending CN105710599A (en) | 2014-12-03 | 2014-12-03 | Lathe spindle machining technique |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181274A (en) * | 2016-07-26 | 2016-12-07 | 常州环锭纺织机械有限公司 | Drawing rollers processing technology |
| CN107825088A (en) * | 2017-12-11 | 2018-03-23 | 四川省川磨岷机联合数控机器股份有限公司 | A kind of precision grinder spindle processing technique |
| CN110116300A (en) * | 2019-05-29 | 2019-08-13 | 鑫漫(南通)科技技术有限公司 | A kind of processing technology of truck drive shaft |
| CN111546009A (en) * | 2020-05-15 | 2020-08-18 | 淮北良信矿山机器有限公司 | Manufacturing method of mining machinery axle |
| CN114654224A (en) * | 2022-01-19 | 2022-06-24 | 山西汾西重工有限责任公司 | High-precision contra-rotating assembly machining method |
-
2014
- 2014-12-03 CN CN201410721572.9A patent/CN105710599A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181274A (en) * | 2016-07-26 | 2016-12-07 | 常州环锭纺织机械有限公司 | Drawing rollers processing technology |
| CN106181274B (en) * | 2016-07-26 | 2018-09-11 | 常州环锭纺织机械有限公司 | Drawing rollers manufacture craft |
| CN107825088A (en) * | 2017-12-11 | 2018-03-23 | 四川省川磨岷机联合数控机器股份有限公司 | A kind of precision grinder spindle processing technique |
| CN110116300A (en) * | 2019-05-29 | 2019-08-13 | 鑫漫(南通)科技技术有限公司 | A kind of processing technology of truck drive shaft |
| CN111546009A (en) * | 2020-05-15 | 2020-08-18 | 淮北良信矿山机器有限公司 | Manufacturing method of mining machinery axle |
| CN114654224A (en) * | 2022-01-19 | 2022-06-24 | 山西汾西重工有限责任公司 | High-precision contra-rotating assembly machining method |
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Application publication date: 20160629 |