CN105855817A - Cylindrical finish turning blank special for producing planetary gear and machining method thereof - Google Patents
Cylindrical finish turning blank special for producing planetary gear and machining method thereof Download PDFInfo
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- CN105855817A CN105855817A CN201610396254.9A CN201610396254A CN105855817A CN 105855817 A CN105855817 A CN 105855817A CN 201610396254 A CN201610396254 A CN 201610396254A CN 105855817 A CN105855817 A CN 105855817A
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- finish turning
- planetary gear
- turning blank
- special
- cylindrical finish
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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 cylindrical finish turning blank special for producing a planetary gear and a machining method thereof. Low-carbon steel or low-carbon alloy steel seamless steel tubes serve as the material of the cylindrical finish turning blank special for producing the planetary gear, the seamless steel tubes are sawn into material blanks with a certain length, and heat treatment and descaling are conducted to obtain the cylindrical finish turning blank special for producing the planetary gear. The cylindrical finish turning blank is turned into the geometric dimension of the planetary gear by means of a lathe, and then tooth form machining is conducted to obtain the planetary gear. The cylindrical finish turning blank is simple in process, rolled steel and electric energy are saved, rolled steel consumption is reduced, forging is not needed, production environment is improved, manufacturing process is shortened, production cost is reduced, and material utilization rate is increased.
Description
Technical field
The present invention relates to a kind of produce the special cylindrical finish turning blank of planetary gear and processing method thereof, it is the processing method that a kind of special tubing produces planetary gear finish turning blank；Cylindrical finish turning blank that a kind of roller gear is special and processing method thereof.
Background technology
At present, the most many automobile production producers are all developing high-power lorry, owing to the hub reduction gear mechanism in automobile has compact conformation, bear moment of torsion big, the advantages such as bearing capacity is high, good reliability, and extensively apply in each truck.And planetary gear is the vital part in hub reduction gear mechanism, its usage amount is big, often four, set；But the processing method of planetary finish turning blank is all to use Forging Technology or the direct blanking of round steel, normalizing, ball blast, boring, rough turn, finish turning processing technology, above two traditional handicraft all has following defects that i.e. stock utilization is low, production process is long, material consumption and product energy consumption is big, cost is high, the defects such as during forging environmental pollution is serious.
Summary of the invention
It is an object of the invention to overcome shortcomings and deficiencies of the prior art, it is provided that a kind of technique is simple, save steel and electric energy, reduction steel consumption, without forging, improve production environment, shorten manufacturing process, reduce production cost and to improve the production planetary gear of stock utilization special
Cylindrical finish turning blank and processing method.
Technical scheme: a kind of produce the cylindrical finish turning blank that planetary gear is special, it is characterized in that the seamless steel pipe sawed-off formation finish turning blank that cylindrical finish turning blank is mild steel or low-carbon alloy steel that this described production planetary gear is special, the a length of 22-60mm of this cylinder finish turning blank, external diameter is φ 75 ~ φ 120mm；Internal diameter is φ 35 ~ φ 70mm；Wall thickness is 16 ~ 40mm.
The described cylindrical finish turning blank processing method producing planetary gear special is as follows:
1. selection: produce the special cylindrical finish turning blank of planetary gear and use the seamless steel pipe material as the cylindrical finish turning blank of processing of mild steel or low-carbon alloy steel；This seamless steel pipe is arranged on NCB-100 sawing machine, and by the material base of sawed-off for seamless steel pipe one-tenth 22-60mm length；
2. it is heat-treated: the material base of above-mentioned a length of 22-60mm is heat-treated, Technology for Heating Processing uses normalizing process or uses isothermal annealed processes: wherein, normalizing process: be to be placed in material base in heating furnace to heat, heating-up temperature is 850 ~ 890 DEG C, then insulation 0.5 hour, finally carries out air-cooled to room temperature；Isothermal annealed processes: being to be placed in material base in heating furnace to heat, annealing temperature is 850 ~ 870 DEG C, is subsequently cooled to 660 DEG C and is incubated 4 hours, then cooling to room temperature with the furnace；
3. descale: the material base after being heat-treated uses ball blast technique descale, i.e. uses shot-blasting machine to remove the oxide skin on material base surface；I.e. formed and produce the cylindrical finish turning blank that planetary gear is special；This cylinder finish turning blank is machined to planetary gear physical dimension by lathe turning, i.e. can be made into planetary gear product.
In sum, present invention process is simple, save steel and electric energy, reduction steel consumption, without forging, improve production environment, shorten manufacturing process, reduce production cost and improve stock utilization.
Accompanying drawing explanation
Fig. 1 is the structural representation of seamless steel pipe (special tubing)；
Fig. 2 is the structural representation of ST050 planetary gear finish turning blank；
Fig. 3 is the structure chart (photo) of ST050 planetary gear finish turning blank；
Fig. 4 is the planetary structural representation of ST050；
Fig. 5 is the planetary structure chart of ST050 (photo).
Detailed description of the invention
With reference to accompanying drawing, a kind of produce the cylindrical finish turning blank that planetary gear is special, it is characterized in that the seamless steel pipe sawed-off formation finish turning blank that cylindrical finish turning blank is mild steel or low-carbon alloy steel that this described production planetary gear is special, the a length of 22-60mm of this cylinder finish turning blank, external diameter is φ 75 ~ φ 120mm；Internal diameter is φ 35 ~ φ 70mm；Wall thickness is 16 ~ 40mm.
The described cylindrical finish turning blank processing method producing planetary gear special is as follows:
1. selection: produce the special cylindrical finish turning blank of planetary gear and use the seamless steel pipe material as the cylindrical finish turning blank of processing of mild steel or low-carbon alloy steel；This seamless steel pipe is arranged on NCB-100 sawing machine, and by the material base of sawed-off for seamless steel pipe one-tenth 22-60mm length；
2. it is heat-treated: the material base of above-mentioned a length of 22-60mm is heat-treated, Technology for Heating Processing uses normalizing process or uses isothermal annealed processes: wherein, normalizing process: be to be placed in material base in heating furnace to heat, heating-up temperature is 850 ~ 890 DEG C, then insulation 0.5 hour, finally carries out air-cooled to room temperature；Isothermal annealed processes: being to be placed in material base in heating furnace to heat, annealing temperature is 850 ~ 870 DEG C, is subsequently cooled to 660 DEG C and is incubated 4 hours, then cooling to room temperature with the furnace；
3. descale: the material base after being heat-treated uses ball blast technique descale, i.e. uses shot-blasting machine to remove the oxide skin on material base surface；I.e. formed and produce the cylindrical finish turning blank that planetary gear is special；This cylinder finish turning blank is machined to planetary gear physical dimension by lathe turning, i.e. can be made into planetary gear product.
Instantiation is as follows:
A kind of produce the cylindrical finish turning blank that ST050 planetary gear is special, the seamless steel pipe sawed-off formation finish turning blank that cylindrical finish turning blank is mild steel or low-carbon alloy steel that this production planetary gear is special, the a length of 29mm of this cylinder finish turning blank, external diameter is φ 76mm；Internal diameter is φ 38mm；Wall thickness is 19.
Produce cylindrical finish turning blank processing method special for row ST050 as follows:
1. selection: produce the special cylindrical finish turning blank of planetary gear and use the seamless steel pipe material as the cylindrical finish turning blank of processing of low-carbon alloy steel；This seamless steel pipe is arranged on NCB-100 sawing machine, and by the material base of sawed-off for seamless steel pipe one-tenth 29mm length；
2. being heat-treated: be heat-treated by the material base of above-mentioned a length of 29mm, Technology for Heating Processing uses normalizing process: being to be placed in material base in heating furnace to heat, heating-up temperature is 850 ~ 890 DEG C, and then insulation 0.5 hour, finally carries out air-cooled to room temperature；
3. descale: the material base after being heat-treated uses ball blast technique descale, i.e. uses shot-blasting machine to remove the oxide skin on material base surface；I.e. formed and produce the cylindrical finish turning blank (accompanying drawing 2) that planetary gear is special；This cylinder finish turning blank is machined to planetary gear physical dimension by lathe turning and i.e. can be made into planetary gear product (accompanying drawing 3).
The special cylindrical finish turning blank technique of this production planetary gear is simple, save steel and electric energy, reduction steel consumption, without forging, improve production environment, shorten manufacturing process, reduce production cost and improve stock utilization.
Claims (2)
1. one kind produces the cylindrical finish turning blank that planetary gear is special, it is characterized in that the seamless steel pipe sawed-off formation finish turning blank that cylindrical finish turning blank is mild steel or low-carbon alloy steel that this described production planetary gear is special, the a length of 22-60mm of this cylinder finish turning blank, external diameter is φ 75 ~ φ 120mm；Internal diameter is φ 35 ~ φ 70mm；Wall thickness is 16 ~ 40mm.
The most according to claim 1 a kind of produce the cylindrical finish turning blank processing method that planetary gear is special, it is characterised in that the described cylindrical finish turning blank processing method producing planetary gear special is as follows:
1. selection: produce the special cylindrical finish turning blank of planetary gear and use the seamless steel pipe material as the cylindrical finish turning blank of processing of mild steel or low-carbon alloy steel；This seamless steel pipe is arranged on NCB-100 sawing machine, and by the material base of sawed-off for seamless steel pipe one-tenth 22-60mm length；
2. it is heat-treated: the material base of above-mentioned a length of 22-60mm is heat-treated, Technology for Heating Processing uses normalizing process or uses isothermal annealed processes: wherein, normalizing process: be to be placed in material base in heating furnace to heat, heating-up temperature is 850 ~ 890 DEG C, then insulation 0.5 hour, finally carries out air-cooled to room temperature；Isothermal annealed processes: being to be placed in material base in heating furnace to heat, annealing temperature is 850 ~ 870 DEG C, is subsequently cooled to 660 DEG C and is incubated 4 hours, then cooling to room temperature with the furnace；
3. descale: the material base after being heat-treated uses ball blast technique descale, i.e. uses shot-blasting machine to remove the oxide skin on material base surface；I.e. formed and produce the cylindrical finish turning blank that planetary gear is special；This cylinder finish turning blank is machined to planetary gear physical dimension by lathe turning, i.e. can be made into planetary gear product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610396254.9A CN105855817A (en) | 2016-06-07 | 2016-06-07 | Cylindrical finish turning blank special for producing planetary gear and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610396254.9A CN105855817A (en) | 2016-06-07 | 2016-06-07 | Cylindrical finish turning blank special for producing planetary gear and machining method thereof |
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| CN105855817A true CN105855817A (en) | 2016-08-17 |
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| CN201610396254.9A Pending CN105855817A (en) | 2016-06-07 | 2016-06-07 | Cylindrical finish turning blank special for producing planetary gear and machining method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524205A (en) * | 2018-05-23 | 2019-12-03 | 上海航浩汽车零部件有限公司 | Camshaft central siphon and its manufacturing method |
| CN112518247A (en) * | 2020-11-25 | 2021-03-19 | 湖北三环锻造有限公司 | Fixed disk machining method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60155324A (en) * | 1984-01-20 | 1985-08-15 | Ntn Toyo Bearing Co Ltd | Manufacturing method of flexible gear for speed reducer |
| JPH05177454A (en) * | 1991-12-25 | 1993-07-20 | Taiyo Shoji Kk | Manufacture of girth gear |
| CN101412076A (en) * | 2008-03-07 | 2009-04-22 | 安徽应流铸业有限公司 | A kind of precision casting technique of ceramic shell lost foam |
| CN101844306A (en) * | 2010-06-17 | 2010-09-29 | 株洲齿轮有限责任公司 | Processing method of annular gear of thin-wall member |
| CN102528406A (en) * | 2012-03-13 | 2012-07-04 | 江国辉 | Method for processing automobile synchronizer gear ring blank |
| CN105252234A (en) * | 2014-07-15 | 2016-01-20 | 匡永刚 | Process for machining gear ring |
| CN205996475U (en) * | 2016-06-07 | 2017-03-08 | 株洲齿轮有限责任公司 | A kind of produce the special cylindrical smart car blank of planetary gear |
-
2016
- 2016-06-07 CN CN201610396254.9A patent/CN105855817A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60155324A (en) * | 1984-01-20 | 1985-08-15 | Ntn Toyo Bearing Co Ltd | Manufacturing method of flexible gear for speed reducer |
| JPH05177454A (en) * | 1991-12-25 | 1993-07-20 | Taiyo Shoji Kk | Manufacture of girth gear |
| CN101412076A (en) * | 2008-03-07 | 2009-04-22 | 安徽应流铸业有限公司 | A kind of precision casting technique of ceramic shell lost foam |
| CN101844306A (en) * | 2010-06-17 | 2010-09-29 | 株洲齿轮有限责任公司 | Processing method of annular gear of thin-wall member |
| CN102528406A (en) * | 2012-03-13 | 2012-07-04 | 江国辉 | Method for processing automobile synchronizer gear ring blank |
| CN105252234A (en) * | 2014-07-15 | 2016-01-20 | 匡永刚 | Process for machining gear ring |
| CN205996475U (en) * | 2016-06-07 | 2017-03-08 | 株洲齿轮有限责任公司 | A kind of produce the special cylindrical smart car blank of planetary gear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524205A (en) * | 2018-05-23 | 2019-12-03 | 上海航浩汽车零部件有限公司 | Camshaft central siphon and its manufacturing method |
| CN112518247A (en) * | 2020-11-25 | 2021-03-19 | 湖北三环锻造有限公司 | Fixed disk machining method |
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Application publication date: 20160817 |
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