CN108526827A - A kind of processing method of annular gear - Google Patents
A kind of processing method of annular gear Download PDFInfo
- Publication number
- CN108526827A CN108526827A CN201810305056.6A CN201810305056A CN108526827A CN 108526827 A CN108526827 A CN 108526827A CN 201810305056 A CN201810305056 A CN 201810305056A CN 108526827 A CN108526827 A CN 108526827A
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- workpiece
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- tufftride
- ammonia
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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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/24—Nitriding
- C23C8/26—Nitriding of ferrous surfaces
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Gears, Cams (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of processing method of annular gear, include the following steps：A, just one-step forming is forged；B, rubbing down is handled；C, it is processed using gear-hobbing machine；D, it finishes；E, tufftride is handled；F, ball blast antirust treatment, operating procedure of the present invention is simple, and ring gear hardness obtained is high, intensity is high, wearability is good, extends the service life of ring gear.
Description
Technical field
The present invention relates to ring gear processing technique field, specially a kind of processing method of annular gear.
Background technology
Ring gear is a critical component for being used for conveying transfer function in transmission system, is joined by the flange with external tooth half
The parts such as axis device and the identical ring gear of the number of teeth form.It is mainly used for starting motor transmission system, it is revolved according to the engagement of metal-toothed
Turn transmission conveying transfer function.The usage amount of ring gear is very big, but internal tooth generally use gear shaping, tooth pushing, drawing tooth molding, processing
Difficulty is big, and stock utilization is low.The processing method production process of general ring gear is long, and ring gear hardness obtained is low, and material
Material consumption and product energy consumption are all bigger, cause of high cost.
Invention content
The purpose of the present invention is to provide a kind of processing method of annular gear, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of processing method of annular gear, including following step
Suddenly：
A, just one-step forming is forged：Commercially available ordinary steel is selected, according to drawing requirement reserved margin, preliminary forging molding；
B, rubbing down is handled：The tentatively molding workpiece of step A are subjected to rubbing down processing, remove surface spikes and impurity particle；
C, it is processed using gear-hobbing machine to meeting design requirement；
D, it finishes：Face song chamfer machining is carried out to the tooth form of the obtained workpiece of step C；
E, tufftride is handled：The workpiece that step D is obtained carries out tufftride processing
F, ball blast antirust treatment.
Preferably, soft-nitriding treatment method includes the following steps in step E：
A, workpiece surface is cleaned up with gasoline, removes the iron filings and greasy dirt of workpiece surface, shove charge after cleaning；
B, workpiece heats up to stove into after stove, and heating while is passed through ammonia, and the flow for being passed through ammonia is 200-250L/
H, furnace stop heating after rising to 650 DEG C -700 DEG C；The spiral cover on stove is reached straight-through, ignition later；
C, ethyl alcohol is instilled during burning, drop speed is 30-50d/m；Increase ammonia intake later to 300-400L/h, later
Gas leakage is checked for, if without gas leakage, carries out constant temperature, constant temperature time 120min-180min；
If D, without gas leakage, the ammonia intake in step C is reduced to 250-2800L/h, is 20d/m by the drop prompt drop of ethyl alcohol, expands
It is 20min-40min to dissipate the time；
E, before coming out of the stove, bell rise ignition once, exhaust gas in stove is gone out by burning and exhausting, then opening come out of the stove it is air-cooled,
Complete tufftride.
Preferably, ball blast antirusting treating method is in the step F：Workpiece is ground shot and targets Shot Blasting,
Make fully to be strengthened at tooth root, be taken out after the workpiece immersion in liquid preventives water 2-4min after ball blast.
Compared with prior art, the beneficial effects of the invention are as follows：Operating procedure of the present invention is simple, ring gear hardness obtained
High, intensity height, wearability are good, extend the service life of ring gear；In addition, the present invention can be further using soft-nitriding process
Ring gear case hardness is improved, the synthesis performance of ring gear is effectively increased.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment one：
A kind of processing method of annular gear, includes the following steps：
A, just one-step forming is forged：Commercially available ordinary steel is selected, according to drawing requirement reserved margin, preliminary forging molding；
B, rubbing down is handled：The tentatively molding workpiece of step A are subjected to rubbing down processing, remove surface spikes and impurity particle；
C, it is processed using gear-hobbing machine to meeting design requirement；
D, it finishes：Face song chamfer machining is carried out to the tooth form of the obtained workpiece of step C；
E, tufftride is handled：The workpiece that step D is obtained carries out tufftride processing
F, ball blast antirust treatment.
In the present embodiment, soft-nitriding treatment method includes the following steps in step E：
A, workpiece surface is cleaned up with gasoline, removes the iron filings and greasy dirt of workpiece surface, shove charge after cleaning；
B, workpiece heats up to stove into after stove, and heating while is passed through ammonia, and the flow for being passed through ammonia is 200L/h, stove
Sub- temperature stops heating after rising to 650 DEG C；The spiral cover on stove is reached straight-through, ignition later；
C, ethyl alcohol is instilled during burning, drop speed is 30d/m；Increase ammonia intake later to 300L/h, check has later
Without gas leakage, if without gas leakage, constant temperature, constant temperature time 120min are carried out；
If D, without gas leakage, the ammonia intake in step C is reduced to 250L/h, is 20d/m, diffusion time by the drop prompt drop of ethyl alcohol
For 20min；
E, before coming out of the stove, bell rise ignition once, exhaust gas in stove is gone out by burning and exhausting, then opening come out of the stove it is air-cooled,
Complete tufftride.
In the present embodiment, ball blast antirusting treating method is in step F：Workpiece is ground shot and targets Shot Blasting,
Make fully to be strengthened at tooth root, be taken out after the workpiece immersion in liquid preventives water 2min after ball blast.
Embodiment two：
A kind of processing method of annular gear, includes the following steps：
A, just one-step forming is forged：Commercially available ordinary steel is selected, according to drawing requirement reserved margin, preliminary forging molding；
B, rubbing down is handled：The tentatively molding workpiece of step A are subjected to rubbing down processing, remove surface spikes and impurity particle；
C, it is processed using gear-hobbing machine to meeting design requirement；
D, it finishes：Face song chamfer machining is carried out to the tooth form of the obtained workpiece of step C；
E, tufftride is handled：The workpiece that step D is obtained carries out tufftride processing
F, ball blast antirust treatment.
In the present embodiment, soft-nitriding treatment method includes the following steps in step E：
A, workpiece surface is cleaned up with gasoline, removes the iron filings and greasy dirt of workpiece surface, shove charge after cleaning；
B, workpiece heats up to stove into after stove, and heating while is passed through ammonia, and the flow for being passed through ammonia is 250L/h, stove
Sub- temperature stops heating after rising to 700 DEG C；The spiral cover on stove is reached straight-through, ignition later；
C, ethyl alcohol is instilled during burning, drop speed is 50d/m；Increase ammonia intake later to 400L/h, check has later
Without gas leakage, if without gas leakage, constant temperature, constant temperature time 180min are carried out；
If D, without gas leakage, the ammonia intake in step C is reduced to 280L/h, is 20d/m, diffusion time by the drop prompt drop of ethyl alcohol
For 40min；
E, before coming out of the stove, bell rise ignition once, exhaust gas in stove is gone out by burning and exhausting, then opening come out of the stove it is air-cooled,
Complete tufftride.
In the present embodiment, ball blast antirusting treating method is in step F：Workpiece is ground shot and targets Shot Blasting,
Make fully to be strengthened at tooth root, be taken out after the workpiece immersion in liquid preventives water 4min after ball blast.
Embodiment three：
A kind of processing method of annular gear, includes the following steps：
A, just one-step forming is forged：Commercially available ordinary steel is selected, according to drawing requirement reserved margin, preliminary forging molding；
B, rubbing down is handled：The tentatively molding workpiece of step A are subjected to rubbing down processing, remove surface spikes and impurity particle；
C, it is processed using gear-hobbing machine to meeting design requirement；
D, it finishes：Face song chamfer machining is carried out to the tooth form of the obtained workpiece of step C；
E, tufftride is handled：The workpiece that step D is obtained carries out tufftride processing
F, ball blast antirust treatment.
In the present embodiment, soft-nitriding treatment method includes the following steps in step E：
A, workpiece surface is cleaned up with gasoline, removes the iron filings and greasy dirt of workpiece surface, shove charge after cleaning；
B, workpiece heats up to stove into after stove, and heating while is passed through ammonia, and the flow for being passed through ammonia is 220L/h, stove
Sub- temperature stops heating after rising to 680 DEG C；The spiral cover on stove is reached straight-through, ignition later；
C, ethyl alcohol is instilled during burning, drop speed is 40d/m；Increase ammonia intake later to 350L/h, check has later
Without gas leakage, if without gas leakage, constant temperature, constant temperature time 150min are carried out；
If D, without gas leakage, the ammonia intake in step C is reduced to 260L/h, is 20d/m, diffusion time by the drop prompt drop of ethyl alcohol
For 30min；
E, before coming out of the stove, bell rise ignition once, exhaust gas in stove is gone out by burning and exhausting, then opening come out of the stove it is air-cooled,
Complete tufftride.
In the present embodiment, ball blast antirusting treating method is in step F：Workpiece is ground shot and targets Shot Blasting,
Make fully to be strengthened at tooth root, be taken out after the workpiece immersion in liquid preventives water 3min after ball blast.
Experimental example：
Ring gear is processed using the technique of common process and various embodiments of the present invention, later to the case hardness of ring gear and matrix
Hardness is detected, and obtains data such as following table：
| Case hardness（HV） | Matrix hardness（HB） | |
| Common process | 410 | 220 |
| Embodiment one | 657 | 228 |
| Embodiment two | 664 | 231 |
| Embodiment three | 682 | 252 |
By above table data it is found that embodiment three, which processes obtained ring gear, can reach optimum performance.
Operating procedure of the present invention is simple, and ring gear hardness obtained is high, intensity is high, wearability is good, extends ring gear
Service life；In addition, the present invention can further increase ring gear case hardness using soft-nitriding process, internal tooth is effectively increased
The synthesis performance of circle.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of processing method of annular gear, it is characterised in that：Include the following steps：
A, just one-step forming is forged：Commercially available ordinary steel is selected, according to drawing requirement reserved margin, preliminary forging molding；
B, rubbing down is handled：The tentatively molding workpiece of step A are subjected to rubbing down processing, remove surface spikes and impurity particle；
C, it is processed using gear-hobbing machine to meeting design requirement；
D, it finishes：Face song chamfer machining is carried out to the tooth form of the obtained workpiece of step C；
E, tufftride is handled：The workpiece that step D is obtained carries out tufftride processing
F, ball blast antirust treatment.
2. a kind of processing method of annular gear according to claim 1, it is characterised in that：Tufftride is handled in the step E
Method includes the following steps：
A, workpiece surface is cleaned up with gasoline, removes the iron filings and greasy dirt of workpiece surface, shove charge after cleaning；
B, workpiece heats up to stove into after stove, and heating while is passed through ammonia, and the flow for being passed through ammonia is 200-250L/
H, furnace stop heating after rising to 650 DEG C -700 DEG C；The spiral cover on stove is reached straight-through, ignition later；
C, ethyl alcohol is instilled during burning, drop speed is 30-50d/m；Increase ammonia intake later to 300-400L/h, later
Gas leakage is checked for, if without gas leakage, carries out constant temperature, constant temperature time 120min-180min；
If D, without gas leakage, the ammonia intake in step C is reduced to 250-280L/h, is 20d/m, diffusion by the drop prompt drop of ethyl alcohol
Time is 20min-40min；
E, before coming out of the stove, bell rise ignition once, exhaust gas in stove is gone out by burning and exhausting, then opening come out of the stove it is air-cooled,
Complete tufftride.
3. a kind of processing method of annular gear according to claim 1, it is characterised in that：In the step F at ball blast antirust
Reason method is：Workpiece is ground shot and targets Shot Blasting, makes fully to be strengthened at tooth root, the workpiece after ball blast impregnates
It is taken out after aqueous rust preventive 2-4min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305056.6A CN108526827A (en) | 2018-04-08 | 2018-04-08 | A kind of processing method of annular gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810305056.6A CN108526827A (en) | 2018-04-08 | 2018-04-08 | A kind of processing method of annular gear |
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| Publication Number | Publication Date |
|---|---|
| CN108526827A true CN108526827A (en) | 2018-09-14 |
Family
ID=63482877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810305056.6A Withdrawn CN108526827A (en) | 2018-04-08 | 2018-04-08 | A kind of processing method of annular gear |
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| Country | Link |
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| CN (1) | CN108526827A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487069A (en) * | 2018-12-31 | 2019-03-19 | 兴化东华齿轮有限公司 | A kind of heat treatment method of ring gear control heat-treatment distortion |
| CN109628727A (en) * | 2018-12-11 | 2019-04-16 | 江苏保捷锻压有限公司 | A kind of processing technology of thin-walled gear ring |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581574A (en) * | 2012-03-20 | 2012-07-18 | 江国辉 | Method for machining inner gear rings |
| CN104400365A (en) * | 2014-10-25 | 2015-03-11 | 陕西天财工程造价咨询有限公司 | Machining method of wind power generation yawing gear ring |
| EP2896471A1 (en) * | 2014-01-17 | 2015-07-22 | Shivam Autotech Ltd. | Method of manufacturing gear with teeth involving forging |
| CN106065459A (en) * | 2016-07-01 | 2016-11-02 | 兴化东华齿轮有限公司 | A kind of engine gear soft-nitriding process |
| CN106086619A (en) * | 2016-06-03 | 2016-11-09 | 江苏保捷锻压有限公司 | A kind of automobile gearbox final gear liquid forging process |
| CN107322250A (en) * | 2017-07-28 | 2017-11-07 | 重庆光腾汽车零部件有限公司 | A kind of preparation method of gear ring |
-
2018
- 2018-04-08 CN CN201810305056.6A patent/CN108526827A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581574A (en) * | 2012-03-20 | 2012-07-18 | 江国辉 | Method for machining inner gear rings |
| EP2896471A1 (en) * | 2014-01-17 | 2015-07-22 | Shivam Autotech Ltd. | Method of manufacturing gear with teeth involving forging |
| CN104400365A (en) * | 2014-10-25 | 2015-03-11 | 陕西天财工程造价咨询有限公司 | Machining method of wind power generation yawing gear ring |
| CN106086619A (en) * | 2016-06-03 | 2016-11-09 | 江苏保捷锻压有限公司 | A kind of automobile gearbox final gear liquid forging process |
| CN106065459A (en) * | 2016-07-01 | 2016-11-02 | 兴化东华齿轮有限公司 | A kind of engine gear soft-nitriding process |
| CN107322250A (en) * | 2017-07-28 | 2017-11-07 | 重庆光腾汽车零部件有限公司 | A kind of preparation method of gear ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109628727A (en) * | 2018-12-11 | 2019-04-16 | 江苏保捷锻压有限公司 | A kind of processing technology of thin-walled gear ring |
| CN109487069A (en) * | 2018-12-31 | 2019-03-19 | 兴化东华齿轮有限公司 | A kind of heat treatment method of ring gear control heat-treatment distortion |
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Application publication date: 20180914 |