CN103707019A - Processing process of internal spline gear blank used in agricultural machinery equipment transmission case - Google Patents
Processing process of internal spline gear blank used in agricultural machinery equipment transmission case Download PDFInfo
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- CN103707019A CN103707019A CN201310683022.8A CN201310683022A CN103707019A CN 103707019 A CN103707019 A CN 103707019A CN 201310683022 A CN201310683022 A CN 201310683022A CN 103707019 A CN103707019 A CN 103707019A
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- agricultural machinery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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Abstract
The invention relates to a gear processing process. A processing process of an internal spline gear blank used in an agricultural machinery equipment transmission case comprises the steps of selecting material, blanking by a material shearer, forging blanks, isothermally normalizing, coarsely finish turning and pulling an internal spline in sequence. The processing process of the internal spline gear blank used in the agricultural machinery equipment transmission case has the advantages of being higher in processing efficiency, lower in processing cost and capable of comprehensively improving quality and precision of product of the internal spline gear blank.
Description
Technical field
The present invention relates to a kind of Gearmaking Technology, the processing technology of the inner spline gear gear teeth base particularly using in a kind of Agricultural Machinery Equipment transmission case.
Background technology
At present, in gear drive inside spline wheel gear use very general, especially in the agriculture Agricultural Machinery Equipment transmission cases such as tractor, harvester, rotary cultivator.The precision of gear inner spline directly affects the accuracy of manufacture and the assembly precision of gear, thereby affects the precision of whole transmission device.The processing technology of the inner spline gear gear teeth base using in Agricultural Machinery Equipment transmission case is now as follows, be followed successively by blanking, forge, normalizing, rough turn, garland key and finish turning, through follow-up gear hobbing or gear shaping, inside spline wheel gear is made in shaving and heat treatment, the quality of internal spline and the chemical composition of material, cutting stock weight, the mode of heating of blank, there is close relationship the aspects such as the quality of normalizing, material defective, cutting stock weight overproof, briquet stove heating mode produces the situation that oxide skin is many, normalizing hardness is inhomogeneous, and between rough turn and finish turning, adopt horizontal broaching machine broaching spline mode to have the impact of workpiece deadweight, capital reduces the accuracy of manufacture of gear inner spline, simultaneously rough turn, finish turning divides two procedures processing, also increased manufacturing cost, reduced working (machining) efficiency.The processing of the inner spline gear gear teeth base using in existing Agricultural Machinery Equipment transmission case exists manufacturing cost high, and working (machining) efficiency is low, and the inner spline gear gear teeth base precision machining is low, is unfavorable for follow-up gear hobbing, shaving and heat treated processing.
Summary of the invention
Order of the present invention is the deficiency existing in order to solve the processing technology of the inner spline gear gear teeth base using in above-mentioned existing Agricultural Machinery Equipment transmission case, a kind of new technology is provided, improve working (machining) efficiency, cut down finished cost, improve the inner spline gear gear teeth base processing technology of using in the Agricultural Machinery Equipment transmission case of inner spline gear gear teeth base quality.
In order to realize foregoing invention object, the present invention has adopted following technical scheme:
The processing technology of the inner spline gear gear teeth base using in Agricultural Machinery Equipment transmission case, comprises the following steps successively:
(1) select materials, select by mass percentage the material with following chemical composition: 0.17%≤C≤0.23%; 0.17%≤Si≤0.37%; 0.80%≤Mn≤1.10%; 1.00%≤Cr≤1.30%; 0.04%≤Ti≤1.00%; Trace≤Ni≤0.03%; Trace≤S≤0.035%; Trace≤P≤0.035%, surplus is Fe and inevitable impurity;
(2) cutting machine blanking, weight tolerance is controlled as diameter d≤50 ㎜, and tolerance is ± 0.01 ㎏; Diameter 55 ㎜ < d≤65 ㎜, tolerance is+0.02 ㎏～-0.01 ㎏; Diameter d > 65 ㎜, tolerance is+0.03 ㎏～-0.01 ㎏;
(3) blank forging, is placed on 5～10 seconds heat times, temperature to 1000～1200 ℃ in intermediate-frequency heating furnace by raw material, through jumping-up, forging, trimming, controls monolateral machining allowance 0.8～1.2 ㎜ of blank;
(4) isothermal normalizing, by blank heating, temperature is 925～945 ℃, is incubated 2～3 hours; Then by rapid cooling, slow cooling, isothermal insulation, air cooling, control blank hardness 160～207HB, difference of hardness≤7HB;
(5) thick finish turning, thick finish turning endoporus on numerically controlled lathe, under end face one cutter, endoporus end face surface roughness reaches Ra3.2, endoporus dimensional tolerance+0.05 ㎜, end face run-out≤0.015 ㎜, again with Internal hole positioning thick finish turning other end and cylindrical, surface roughness reaches Ra3.2, end face run-out≤0.02 ㎜, beat≤0.04 ㎜ of cylindrical;
(6) draw internal spline, adopt vertical broaching machine broaching, with the end face location under interior hole end surface one cutter, and float and locate with cylindrical, with vertical broaching machine broaching tool, completing broaching, surface roughness reaches Ra1.6, two ending pulsation≤0.025 ㎜, beat≤0.06 ㎜ of cylindrical, completes the processing of inner spline gear gear teeth base.
As preferably, Fe is not less than 95% by mass percentage.
Adopted the processing technology of the inner spline gear gear teeth base using in the Agricultural Machinery Equipment transmission case of technique scheme, adopt and select materials successively, cutting machine blanking, blank forging, isothermal normalizing, thick finish turning and the step of drawing internal spline, the inner spline gear gear teeth base end face run-out≤0.025mm making, beat≤0.06mm of cylindrical, roughness is Ra1.6-3.2, oxide skin is few, surfacing, hardness is even, difference of hardness≤7HB, monolateral surplus is between 0.8-1.2mm, the advantage of the processing technology of the inner spline gear gear teeth base using in this Agricultural Machinery Equipment transmission case is that working (machining) efficiency is higher, processing cost is lower, product quality and the precision of inner spline gear gear teeth bases have been improved comprehensively, reach follow-up gear hobbing completely, shaving, process of thermal treatment requirement, be convenient to following process and go out the inside spline wheel gear that quality is higher.
The specific embodiment
Embodiment 1
The processing technology of the inner spline gear gear teeth base using in Agricultural Machinery Equipment transmission case, comprises the following steps successively:
(1) select materials, select by mass percentage the material with following chemical composition: C, 0.17%; Si, 0.17%; Mn, 0.80%; Cr, 1.00%; Ti, 0.04%; Ni, 0.02%; S, 0.025%; P, 0.025%; Surplus is Fe and inevitable impurity, and Fe is not less than 95%;
(2) cutting machine blanking, weight tolerance is controlled as diameter d≤50 ㎜, and tolerance is ± 0.01 ㎏; Diameter 55 ㎜ < d≤65 ㎜, tolerance is+0.02 ㎏～-0.01 ㎏; Diameter d > 65 ㎜, tolerance is+0.03 ㎏～-0.01 ㎏;
(3) blank forging, is placed on 5～10 seconds heat times, temperature to 1000～1200 ℃ in intermediate-frequency heating furnace by raw material, through jumping-up, forging, trimming, controls monolateral machining allowance 0.8～1.2 ㎜ of blank;
(4) isothermal normalizing, by blank heating, temperature is 925～945 ℃, is incubated 2～3 hours; Then by rapid cooling, slow cooling, isothermal insulation, air cooling, control blank hardness 160～207HB, difference of hardness≤7HB;
(5) thick finish turning, thick finish turning endoporus on numerically controlled lathe, under end face one cutter, endoporus end face surface roughness reaches Ra3.2, endoporus dimensional tolerance+0.05 ㎜, end face run-out≤0.015 ㎜, again with Internal hole positioning thick finish turning other end and cylindrical, surface roughness reaches Ra3.2, end face run-out≤0.02 ㎜, beat≤0.04 ㎜ of cylindrical;
(6) draw internal spline, adopt vertical broaching machine broaching, with the end face location under interior hole end surface one cutter, and float and locate with cylindrical, with vertical broaching machine broaching tool, completing broaching, surface roughness reaches Ra1.6, two ending pulsation≤0.025 ㎜, beat≤0.06 ㎜ of cylindrical, completes the processing of inner spline gear gear teeth base.
Embodiment 2
The processing technology of the inner spline gear gear teeth base using in Agricultural Machinery Equipment transmission case, other is identical with embodiment 1, and difference is only the difference of selecting materials, and selects by mass percentage the material with following chemical composition: C, 0.23%; Si, 0.37%; Mn, 1.10%; Cr, 1.3%; Ti, 1%; Ni, 0.03%; S, 0.03%; P, 0.03%; Surplus is Fe and inevitable impurity, and Fe is not less than 95%.
Embodiment 3
The processing technology of the inner spline gear gear teeth base using in Agricultural Machinery Equipment transmission case, other is identical with embodiment 1, and difference is only the difference of selecting materials, and selects by mass percentage the material with following chemical composition: C, 0.2%; Si, 0.3%; Mn, 1%; Cr, 1.1%; Ti, 0.6%; Ni, 0.02%; S, 0.02%; P, 0.02%; Surplus is Fe and inevitable impurity, and Fe is not less than 95%.
The performance data contrast table of the inner spline gear gear teeth base using in the inner spline gear gear teeth base using in the Agricultural Machinery Equipment transmission case that adopts the technique of above-mentioned 3 embodiment to make and the Agricultural Machinery Equipment transmission case that adopts existing technique to make is as follows.
As seen from the above table, adopt the thick finish turning of this patent and draw internal spline technique, end face run-out, cylindrical beat and the precision of the aspect such as roughness significantly better than the traditional handicraft that adopts horizontal broaching, adopt blank forging and the isothermal normalizing technique of this patent, at aspects such as forging stock quality, normalizing hardness and monolateral surpluses significantly better than adopting briquet stove heating, afterheat normalizing, the traditional handicraft that rough turn and finish turning separates.Under above-mentioned end face and endoporus one cutter, refer to that end face and endoporus complete turning at clamped one time, to guarantee end face run-out precision.Above-mentioned inner spline gear gear teeth base just becomes conventional inside spline wheel gear in the agriculture Agricultural Machinery Equipment transmission cases such as tractor, harvester, rotary cultivator after gear hobbing, shaving and heat treatment.
Adopting above-described embodiment is only the better embodiment of this patent, select materials select by mass percentage there is following chemical composition material all can, 0.17%≤C≤0.23%; 0.17%≤Si≤0.37%; 0.80%≤Mn≤1.10%; 1.00%≤Cr≤1.30%; 0.04%≤Ti≤1.00%; Trace≤Ni≤0.03%; Trace≤S≤0.035%; Trace≤P≤0.035%, surplus is Fe and inevitable impurity.
Claims (2)
1. the processing technology of the inner spline gear gear teeth base using in Agricultural Machinery Equipment transmission case, comprises the following steps successively:
(1) select materials, select by mass percentage the material with following chemical composition: 0.17%≤C≤0.23%; 0.17%≤Si≤0.37%; 0.80%≤Mn≤1.10%; 1.00%≤Cr≤1.30%; 0.04%≤Ti≤1.00%; Trace≤Ni≤0.03%; Trace≤S≤0.035%; Trace≤P≤0.035%, surplus is Fe and inevitable impurity;
(2) cutting machine blanking, weight tolerance is controlled as diameter d≤50 ㎜, and tolerance is ± 0.01 ㎏; Diameter 55 ㎜ < d≤65 ㎜, tolerance is+0.02 ㎏～-0.01 ㎏; Diameter d > 65 ㎜, tolerance is+0.03 ㎏～-0.01 ㎏;
(3) blank forging, is placed on 5～10 seconds heat times, temperature to 1000～1200 ℃ in intermediate-frequency heating furnace by raw material, through jumping-up, forging, trimming, controls monolateral machining allowance 0.8～1.2 ㎜ of blank;
(4) isothermal normalizing, by blank heating, temperature is 925～945 ℃, is incubated 2～3 hours; Then by rapid cooling, slow cooling, isothermal insulation, air cooling, control blank hardness 160～207HB, difference of hardness≤7HB;
(5) thick finish turning, thick finish turning endoporus on numerically controlled lathe, under end face one cutter, endoporus end face surface roughness reaches Ra3.2, endoporus dimensional tolerance+0.05 ㎜, end face run-out≤0.015 ㎜, again with Internal hole positioning thick finish turning other end and cylindrical, surface roughness reaches Ra3.2, end face run-out≤0.02 ㎜, beat≤0.04 ㎜ of cylindrical;
(6) draw internal spline, adopt vertical broaching machine broaching, with the end face location under interior hole end surface one cutter, and float and locate with cylindrical, with vertical broaching machine broaching tool, completing broaching, surface roughness reaches Ra1.6, two ending pulsation≤0.025 ㎜, beat≤0.06 ㎜ of cylindrical, completes the processing of inner spline gear gear teeth base.
2. the processing technology of the inner spline gear gear teeth base using in Agricultural Machinery Equipment transmission case according to claim 1, is characterized in that Fe is not less than 95% by mass percentage.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625665A (en) * | 2014-12-30 | 2015-05-20 | 宁波职业技术学院 | Alloy material and production process of gear |
| CN105156635A (en) * | 2015-06-30 | 2015-12-16 | 山东温岭精锻科技有限公司 | Differential shell and forging process and forging equipment thereof |
| CN105256242A (en) * | 2015-10-21 | 2016-01-20 | 苏州雷格姆海洋石油设备科技有限公司 | Manufacturing method for forge piece blanks for marine oil exploitation equipment |
| CN106180533A (en) * | 2016-07-19 | 2016-12-07 | 苏州誉衡昌精密机械有限公司 | A kind of Forging Technology of gear drive head |
| CN106180502A (en) * | 2016-07-19 | 2016-12-07 | 苏州誉衡昌精密机械有限公司 | A kind of Forging Technology of precision component |
| CN107443011A (en) * | 2017-06-20 | 2017-12-08 | 万向钱潮传动轴有限公司 | A kind of processing technology of intermediate flange |
| CN107538188A (en) * | 2016-06-28 | 2018-01-05 | 高玉琴 | A kind of processing method of wheel blank |
| CN108637632A (en) * | 2018-07-11 | 2018-10-12 | 抚州申铃汽车配件有限责任公司 | A kind of processing technology and fixture of automobile axle flange |
| CN114850809A (en) * | 2022-04-21 | 2022-08-05 | 新昌县金鹰齿轮箱有限公司 | Manufacturing method of internal spline gear for engineering vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548571A (en) * | 2003-05-15 | 2004-11-24 | 常曙光 | Steel for gears in synchronizer |
| JP2008036642A (en) * | 2006-08-01 | 2008-02-21 | Toyota Motor Corp | Method for manufacturing gear |
| CN102011057A (en) * | 2010-12-27 | 2011-04-13 | 承德建龙特殊钢有限公司 | CrMnTi series gear steel and processing technique thereof |
| CN102581580A (en) * | 2012-03-13 | 2012-07-18 | 江国辉 | Process used for machining inner gear ring with large module and deep tooth space |
| CN102941381A (en) * | 2012-11-01 | 2013-02-27 | 唐海滨 | Processing technology of inner gear spline |
-
2013
- 2013-12-12 CN CN201310683022.8A patent/CN103707019B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1548571A (en) * | 2003-05-15 | 2004-11-24 | 常曙光 | Steel for gears in synchronizer |
| JP2008036642A (en) * | 2006-08-01 | 2008-02-21 | Toyota Motor Corp | Method for manufacturing gear |
| CN102011057A (en) * | 2010-12-27 | 2011-04-13 | 承德建龙特殊钢有限公司 | CrMnTi series gear steel and processing technique thereof |
| CN102581580A (en) * | 2012-03-13 | 2012-07-18 | 江国辉 | Process used for machining inner gear ring with large module and deep tooth space |
| CN102941381A (en) * | 2012-11-01 | 2013-02-27 | 唐海滨 | Processing technology of inner gear spline |
Non-Patent Citations (2)
| Title |
|---|
| 戴学容: "渐开线花键孔齿轮的加工", 《机械制造》, no. 10, 31 October 1995 (1995-10-31), pages 20 * |
| 王璟等: "20CrMnTi钢的等温正火工艺试验", 《吉林工学院学报》, vol. 16, no. 3, 30 September 1995 (1995-09-30), pages 36 - 40 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104625665A (en) * | 2014-12-30 | 2015-05-20 | 宁波职业技术学院 | Alloy material and production process of gear |
| CN105156635A (en) * | 2015-06-30 | 2015-12-16 | 山东温岭精锻科技有限公司 | Differential shell and forging process and forging equipment thereof |
| CN105256242A (en) * | 2015-10-21 | 2016-01-20 | 苏州雷格姆海洋石油设备科技有限公司 | Manufacturing method for forge piece blanks for marine oil exploitation equipment |
| CN105256242B (en) * | 2015-10-21 | 2017-07-07 | 苏州雷格姆海洋石油设备科技有限公司 | A kind of manufacture method of marine petroleum exploitation equipment forging blank |
| CN107538188A (en) * | 2016-06-28 | 2018-01-05 | 高玉琴 | A kind of processing method of wheel blank |
| CN106180533A (en) * | 2016-07-19 | 2016-12-07 | 苏州誉衡昌精密机械有限公司 | A kind of Forging Technology of gear drive head |
| CN106180502A (en) * | 2016-07-19 | 2016-12-07 | 苏州誉衡昌精密机械有限公司 | A kind of Forging Technology of precision component |
| CN107443011A (en) * | 2017-06-20 | 2017-12-08 | 万向钱潮传动轴有限公司 | A kind of processing technology of intermediate flange |
| CN108637632A (en) * | 2018-07-11 | 2018-10-12 | 抚州申铃汽车配件有限责任公司 | A kind of processing technology and fixture of automobile axle flange |
| CN114850809A (en) * | 2022-04-21 | 2022-08-05 | 新昌县金鹰齿轮箱有限公司 | Manufacturing method of internal spline gear for engineering vehicle |
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Effective date of registration: 20191227 Address after: 314200 Industrial Park, quantang Town, Pinghu City, Jiaxing City, Zhejiang Province Patentee after: Pinghu haiguang Machinery Co., Ltd Address before: 322200, No. 189, West Ring Road, Puyang Street, Pujiang County, Jinhua, Zhejiang Patentee before: Hong Xinyang |
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