CN107052728B - A kind of manufacturing process applied to bevel gear shaft - Google Patents
A kind of manufacturing process applied to bevel gear shaft Download PDFInfo
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- CN107052728B CN107052728B CN201710075235.0A CN201710075235A CN107052728B CN 107052728 B CN107052728 B CN 107052728B CN 201710075235 A CN201710075235 A CN 201710075235A CN 107052728 B CN107052728 B CN 107052728B
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- bevel gear
- forging
- degrees celsius
- gear shaft
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000005242 forging Methods 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000005422 blasting Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 238000000265 homogenisation Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000009497 press forging Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Forging (AREA)
Abstract
The invention belongs to bevel gear shaft applied technical fields, specifically disclose a kind of manufacturing process applied to bevel gear shaft, include the following steps, step 1, blanking.Above step 2, the workbench that the lower die for forging TY220 bevel gear shafts is installed under YJH32-160 hydraulic presses first, and adjust bottom knockout pole length, above the sliding block that the upper mold for forging TY220 bevel gear shafts is installed on YJH32-160 hydraulic presses again, and to the position of positive upper and lower mould.Step 3, heating in medium frequency.The bar of not heated diameter 36*180mm is put into lower mode cavity, then forges TY220 bevel gear shaft blanks with 160 t hydraulic press backward extrusion by step 4 first.Step 5, normalized treatment.Step 6, impeller blasting.The beneficial effects of the present invention are：1, a product feed consumption 3.75Kg is forged originally, forges product feed consumption a 3.3Kg, every product material saving 0.45Kg now；2, original one product of forging needs whole heating 2 times, and 2 degree of power consumption, 225mm long, 0.5 degree of power consumption need to only be heated by forging a product now, and every product saves 1.5 degree of the electricity charge.
Description
Technical field
The invention belongs to bevel gear shaft applied technical fields, and in particular to a kind of manufacturing process applied to bevel gear shaft is such as
TY220 bevel gear shafts.
Background technology
Bevel gear is also bevel gear, is widely used in industrial drive apparatus such as differential for vehicles, locomotive, ship, power plant, steel
Factory and railroad track detection etc..Usually its according to the number of teeth, modulus, pressure angle, height of teeth top, height of teeth root, face cone angle (tip angle), point
Cone angle (pitch cone angle), root angle, back cone distance, tip distance, locating distance, chordal thickness, constant cord height, modification coefficient and sideshake
Etc. can be there are many structure.
Currently, the domestic forging technology for processing such product is integrally heated with round bar, with pneumatic hammer base, add again
Heat finally uses mold forging molding, this method forging to need 2 heating, forge for 2 times on friction press, waste of energy,
High material consumption, forging efficiency are low and of high cost.
Therefore, based on the above issues, the present invention provides a kind of manufacturing process applied to bevel gear shaft.
Invention content
Goal of the invention：The object of the present invention is to provide a kind of manufacturing process applied to bevel gear shaft, primary heating, one
Secondary forging solves the low and of high cost phenomenon of existing manufacturing process waste of energy, high material consumption, forging efficiency.
Technical solution：The present invention provides a kind of manufacturing process applied to bevel gear shaft, includes the following steps,
Step 1, blanking select the 20CrMnTi materials of diameter 36*405mm first, with automatic band sawing machine blanking, then use
Q-32 type shot-blasting machines -40 minutes 20 minutes descaling sundries of ball blast are spare.Step 2 will forge TY220 bevel gear shafts first
Lower die be installed to above the workbench under YJH32-160 hydraulic presses, and adjust bottom knockout pole length, then will forging TY220 cones
The upper mold of gear shaft is installed to above the sliding block on YJH32-160 hydraulic presses, and to the position of positive upper and lower mould.Step 3, intermediate frequency add
Heat is aoxidized with medium-frequency diathermy furnace and is heated, wherein heating temperature 800 is degrees Celsius -850 degrees Celsius, heated length 225mm.Step
4, the bar of not heated diameter 36*180mm is put into lower mode cavity first, then is forged with 160 t hydraulic press backward extrusion
TY220 bevel gear shaft blanks.The TY220 axis blank material of die forging are framed up and are put into desk stove by step 5, normalized treatment, wherein
Desk-top in-furnace temperature be 920 degrees Celsius~950 degrees Celsius, heating 3~5 hours after keep the temperature 2~3 hours again after furnace cooling arrive
It 600 degrees Celsius~700 degrees Celsius, comes out of the stove air-cooled, makes the control of blank hardness in 160~190HB, eliminates caused by forging reason not
Good tissue and defect reach tissue, homogenization of composition, ensure banded structure≤2 grade.Step 6, impeller blasting will pass through normalizing
The TY220 bevel gear shaft blank materials of processing are put into Q-32 type crawler belt shot-blasting machines, with 10~20 points of 0.8mm cast steel balls impeller blasting
Clock clears up oxide skin, the forging graphite impurities of blank surface.
The technical program, Q-32 type shot-blasting machines ball blast is used in the step 1 30 minutes, wherein cast steel ball is a diameter of
1mm。
The technical program, heating temperature is 820 degrees Celsius in the step 3, and desk-top in-furnace temperature is 930 in step 5
Degree Celsius~940 degrees Celsius, heating 3.5~4.5 hours after keep the temperature 2.3~2.9 hours again after furnace cooling to 650 degrees Celsius~
It 680 degrees Celsius, comes out of the stove air-cooled, makes the control of blank hardness in 165~185HB.
Compared with prior art, a kind of advantageous effect of manufacturing process applied to bevel gear shaft of the invention is：1,
A product feed consumption 3.75Kg is originally forged, forges product feed consumption a 3.3Kg, every product material saving 0.45Kg now；2, original
One product of forging needs whole heating 2 times, 2 degree of power consumption, and one product of forging need to only heat 225mm long now, 0.5 degree of power consumption, often
Product saves 1.5 degree of the electricity charge；3, the product forged now is more more regular than the product forged originally, and later process processing is more convenient, processing
It is more efficient；4, one product of forging needs forging 2 times originally, forges a product now and only needs forging 1 time, production efficiency carries significantly
Gao Liao；5, original forging needs 2 equipment, as long as 1 equipment now, equipment investment is few, and utilization rate is high.
Description of the drawings
Fig. 1 is the structure of the TY220 bevel gear shafts manufactured by a kind of manufacturing process applied to bevel gear shaft of the present invention
Schematic diagram；
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated.
Embodiment one
The present invention as shown in Figure 1 provides a kind of manufacturing process applied to bevel gear shaft, includes the following steps,
Step 1, blanking select the 20CrMnTi materials of diameter 36*405mm first, with automatic band sawing machine blanking, then use
Q-32 type shot-blasting machines -40 minutes 20 minutes descaling sundries of ball blast are spare.Step 2 will forge TY220 bevel gear shafts first
Lower die be installed to above the workbench under YJH32-160 hydraulic presses, and adjust bottom knockout pole length, then will forging TY220 cones
The upper mold of gear shaft is installed to above the sliding block on YJH32-160 hydraulic presses, and to the position of positive upper and lower mould.Step 3, intermediate frequency add
Heat is aoxidized with medium-frequency diathermy furnace and is heated, wherein heating temperature is 800 degrees Celsius -850 degrees Celsius, heated length 225mm.Step
4, the bar of not heated diameter 36*180mm is put into lower mode cavity first, then is forged with 160 t hydraulic press backward extrusion
TY220 bevel gear shaft blanks.The TY220 axis blank material of die forging are framed up and are put into desk stove by step 5, normalized treatment, wherein
Desk-top in-furnace temperature be 920 degrees Celsius~950 degrees Celsius, heating 3~5 hours after keep the temperature 2~3 hours again after furnace cooling arrive
It 600 degrees Celsius~700 degrees Celsius, comes out of the stove air-cooled, makes the control of blank hardness in 160~190HB, eliminates caused by forging reason not
Good tissue and defect reach tissue, homogenization of composition, ensure banded structure≤2 grade.Step 6, impeller blasting will pass through normalizing
The TY220 bevel gear shaft blank materials of processing are put into Q-32 type crawler belt shot-blasting machines, with 10~20 points of 0.8mm cast steel balls impeller blasting
Clock clears up oxide skin, the forging graphite impurities of blank surface.
Embodiment two
The present invention as shown in Figure 1 provides a kind of manufacturing process applied to bevel gear shaft, includes the following steps,
Step 1, blanking select the 20CrMnTi materials of diameter 36*405mm first, with automatic band sawing machine blanking, then use
Q-32 type shot-blasting machines 30 minutes descaling sundries of ball blast are spare, wherein a diameter of 1mm of cast steel ball.Step 2 will forge first
The lower die for making TY220 bevel gear shafts is installed to above the workbench under YJH32-160 hydraulic presses, and adjusts bottom knockout pole length,
Above the sliding block that the upper mold for forging TY220 bevel gear shafts is installed on YJH32-160 hydraulic presses again, and to the position of positive upper and lower mould
It sets.Step 3, heating in medium frequency are aoxidized with medium-frequency diathermy furnace and are heated, wherein heating temperature is 820 degrees Celsius, heated length
225mm.The bar of not heated diameter 36*180mm is put into lower mode cavity by step 4 first, then anti-with 160 t hydraulic press
Extruding forges TY220 bevel gear shaft blanks.The TY220 axis blank material of die forging are framed up and are put into desk stove by step 5, normalized treatment
It is interior, wherein desk-top in-furnace temperature is 930 degrees Celsius~940 degrees Celsius, and it is small that heating keeps the temperature 2.3~2.9 again after 3.5~4.5 hours
When after furnace cooling to 650 degrees Celsius~680 degrees Celsius, come out of the stove air-cooled, make blank hardness control 165~185HB, eliminate forging
Harmful structure caused by reason and defect are made, tissue, homogenization of composition are reached, ensures banded structure≤2 grade.Step 6, ball blast are clear
Reason, the TY220 bevel gear shaft blank materials Jing Guo normalized treatment are put into Q-32 type crawler belt shot-blasting machines, are thrown with 0.8mm cast steel balls
Ball is cleared up 10~20 minutes, and oxide skin, the forging graphite impurities of blank surface are cleared up.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, without departing from the principle of the present invention, can also make several improvements, these improvement also should be regarded as the present invention's
Protection domain.
Claims (3)
1. a kind of manufacturing process applied to bevel gear shaft, it is characterised in that：Include the following steps,
Step 1, blanking select the 20CrMnTi materials of diameter 36*405mm first, with automatic band sawing machine blanking, then use Q-32
- 40 minutes 20 minutes descaling sundries of type shot-blasting machine ball blast are spare；
Above step 2, the workbench that the lower die for forging TY220 bevel gear shafts is installed under YJH32-160 hydraulic presses first, and
Bottom knockout pole length is adjusted, then the upper mold for forging TY220 bevel gear shafts is installed on the sliding block on YJH32-160 hydraulic presses
Face, and to the position of positive upper and lower mould；
Step 3, heating in medium frequency are aoxidized with medium-frequency diathermy furnace and are heated, wherein heating temperature is 800 degrees Celsius -850 degrees Celsius, is added
Hot length 225mm；
The bar of not heated diameter 36*180mm is put into lower mode cavity, then is squeezed with 160 t hydraulic press are counter by step 4 first
Press forging goes out TY220 bevel gear shaft blanks；
The TY220 axis blank material of die forging are framed up and are put into desk stove, wherein desk-top in-furnace temperature by step 5, normalized treatment
It it is 920 degrees Celsius~950 degrees Celsius, furnace cooling is to 600 degrees Celsius~700 after heating keeps the temperature 2~3 hours again after 3~5 hours
Degree Celsius, it comes out of the stove air-cooled, makes the control of blank hardness in 160~190HB, eliminates harmful structure and defect caused by forging reason,
Reach tissue, homogenization of composition, ensures banded structure≤2 grade；
Step 6, impeller blasting put the TY220 bevel gear shaft blank materials Jing Guo normalized treatment in Q-32 type crawler belt shot-blasting machines into,
With 0.8mm cast steel balls impeller blasting 10~20 minutes, oxide skin, the forging graphite impurities of blank surface are cleared up.
2. a kind of manufacturing process applied to bevel gear shaft according to claim 1, it is characterised in that：In the step 1
Using Q-32 type shot-blasting machines ball blast 30 minutes, wherein a diameter of 1mm of cast steel ball.
3. a kind of manufacturing process applied to bevel gear shaft according to claim 1, it is characterised in that：In the step 3
Heating temperature is 820 degrees Celsius, and desk-top in-furnace temperature is 930 degrees Celsius~940 degrees Celsius in step 5, and heating 3.5~4.5 is small
Furnace cooling comes out of the stove air-cooled to 650 degrees Celsius~680 degrees Celsius, makes blank hardness control after Shi Houzai keeps the temperature 2.3~2.9 hours
System is in 165~185HB.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710075235.0A CN107052728B (en) | 2017-02-13 | 2017-02-13 | A kind of manufacturing process applied to bevel gear shaft |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710075235.0A CN107052728B (en) | 2017-02-13 | 2017-02-13 | A kind of manufacturing process applied to bevel gear shaft |
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| Publication Number | Publication Date |
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| CN107052728A CN107052728A (en) | 2017-08-18 |
| CN107052728B true CN107052728B (en) | 2018-10-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111299481B (en) * | 2019-11-19 | 2021-12-07 | 湖北坚丰科技股份有限公司 | Closed forging and pressing forming process for gear shaft of new energy automobile engine |
| CN113752082B (en) * | 2021-09-17 | 2023-12-12 | 苏州鼎隆精密机械制造有限公司 | Production process of precise concentric shaft |
| CN113787316B (en) * | 2021-09-29 | 2024-01-09 | 重庆正丰汇机械制造有限公司 | High-strength impact-resistant integrally-formed bevel gear and positioning processing method |
| CN114472782B (en) * | 2022-02-14 | 2022-11-22 | 章丘市宝华锻造有限公司 | Forging process for output gear shaft |
| CN114505660A (en) * | 2022-03-15 | 2022-05-17 | 河北同锐机械制造有限公司 | Production process of high-wear-resistance toothed chain wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102010048225B4 (en) * | 2010-10-12 | 2021-03-18 | Neumayer Tekfor Engineering Gmbh | Production of a functional shaft |
| CN102764968A (en) * | 2012-06-26 | 2012-11-07 | 昌利锻造有限公司 | Idler shaft processing method |
| CN102950437B (en) * | 2012-10-27 | 2016-07-06 | 富莱茵汽车部件有限公司 | A kind of camshaft timing gear processing technique |
| CN104278177A (en) * | 2013-07-12 | 2015-01-14 | 无锡成博科技发展有限公司 | Material for cam shaft and molding and manufacturing method of cam shaft |
| CN103464990B (en) * | 2013-09-18 | 2017-01-04 | 靖江市恒通汽车配件制造有限公司 | The processing method of the gear shaft in the steering assembly of angle |
| CN103624505A (en) * | 2013-11-29 | 2014-03-12 | 重庆清平机械厂 | Wind power output gear shaft machining method |
| CN103707018A (en) * | 2013-12-13 | 2014-04-09 | 江苏飞船股份有限公司 | Method for manufacturing automotive bevel gear shaft |
| CN105081713B (en) * | 2014-05-15 | 2017-10-17 | 重庆智展齿轮传动有限公司 | The processing method of integral type bevel gear |
| DE102014209869B3 (en) * | 2014-05-23 | 2015-07-23 | Hirschvogel Umformtechnik Gmbh | Method for producing a shaft |
| CN105643219A (en) * | 2014-11-28 | 2016-06-08 | 重庆市巴南区仁荣机械厂 | Machining technology for gear shaft |
| CN104858345B (en) * | 2015-06-03 | 2017-06-20 | 杭州前进锻造有限公司 | A kind of die forging method of gearbox output shaft |
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Denomination of invention: A manufacturing process applied to bevel gear shaft Effective date of registration: 20211228 Granted publication date: 20181030 Pledgee: Jiangsu Xinghua Rural Commercial Bank Co.,Ltd. Pledgor: JIANGSU YIXIN GEAR MANUFACTURING Co.,Ltd. Registration number: Y2021320000423 |
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Denomination of invention: A Manufacturing Process Applied to Bevel Gear Shafts Effective date of registration: 20230404 Granted publication date: 20181030 Pledgee: Jiangsu Xinghua Rural Commercial Bank Co.,Ltd. Pledgor: JIANGSU YIXIN GEAR MANUFACTURING Co.,Ltd. Registration number: Y2023320000184 |
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Denomination of invention: A manufacturing process applied to bevel gear shafts Granted publication date: 20181030 Pledgee: Jiangsu Xinghua Rural Commercial Bank Co.,Ltd. Pledgor: JIANGSU YIXIN GEAR MANUFACTURING Co.,Ltd. Registration number: Y2024980009631 |
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