CN106270807A - A kind of carburized gears flank of tooth method for grinding - Google Patents
A kind of carburized gears flank of tooth method for grinding Download PDFInfo
- Publication number
- CN106270807A CN106270807A CN201610783261.4A CN201610783261A CN106270807A CN 106270807 A CN106270807 A CN 106270807A CN 201610783261 A CN201610783261 A CN 201610783261A CN 106270807 A CN106270807 A CN 106270807A
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- China
- Prior art keywords
- tooth
- grinding
- flank
- stock removal
- carburized
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/02—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F1/00—Making gear teeth by tools of which the profile matches the profile of the required surface
- B23F1/02—Making gear teeth by tools of which the profile matches the profile of the required surface by grinding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
Abstract
A kind of carburized gears flank of tooth method for grinding, relates to Gear Processing field.In order to solve not take into account in prior art after the flank of tooth carries out carburizing and quenching, inhomogeneous deformation can occur, after causing Gear Processing, the flank of tooth remains the problem that carburized (case) depth value of calculation accuracy is relatively low.The present invention first determines the peak of the flank of tooth, changes the relative position of grinding attachment so that in the left flank of tooth of the first tooth and the right flank of tooth, higher one side produces stock removal, and stores the transverse tooth thickness that position that gear is ground to is corresponding；The amount of feeding keeping grinding attachment is constant, other all teeth in gear is carried out grinding, stores the numbering of the emerging tooth being ground in this grinding；Repeat grinding, until the left flank of tooth of the first tooth and the right flank of tooth are all ground to；The one side calculating the first tooth also needs to carry out the stock removal of grinding, calculates the residue carburized (case) depth after the second tooth completes all grindings；According to stock removal and residue carburized (case) depth, the second tooth is carried out grinding.The present invention is applicable to carburized gears processing.
Description
Technical field
The present invention relates to a kind of carburized gears flank of tooth method for grinding, be specifically related to Gear Processing field.
Background technology
Some carburizing and quenching gears, after grinding, need to ensure residue case depth requirement.The method of prior art
It is by measuring the transverse tooth thickness size before grinding, subtracting each other with the final size of drawing, obtain the total removal amount of grinding；Former carburized (case) depth
Deducting the half of the total removal amount of grinding, obtain remaining carburized (case) depth, the simply theoretical value that this method draws, owing to gear oozes
After carbon quenching, the flank of tooth can occur inhomogeneous deformation, and the surplus causing the left and right flank of tooth is inconsistent, therefore the processing meter of prior art
Calculation method accuracy is relatively low.
Summary of the invention
The present invention is to solve prior art not to take into account after the flank of tooth carries out carburizing and quenching and inhomogeneous deformation can occur, lead
Cause the processing to gear and calculate the problem that carburized (case) depth accuracy is relatively low, and then providing a kind of carburized gears flank of tooth grinding
Method.
Carburized gears flank of tooth method for grinding is carried out after gear carries out carburizing and quenching operation, and each tooth of described gear has
Mutually different numbering, described gear has the left flank of tooth and the right flank of tooth, and described flank of tooth grinding is carried out by grinding attachment, grinding side
Method comprises the steps:
Step one: determine the peak of the flank of tooth, is set to described peak the starting point of grinding, and stores described grinding
The relative position of device, is set to the first tooth by tooth corresponding for described starting point；
Step 2: from the beginning of described first tooth, changes the relative position of described grinding attachment, makes all teeth produce stock removal
W1, and store transverse tooth thickness S of the first tooth1；
Step 3: after the first cutter grinding, the amount of feeding keeping described grinding attachment is constant, grinds all teeth
Cut, store the numbering of the emerging tooth being ground in this grinding；
Step 4: repeat step 3, until the left flank of tooth of first tooth and the right flank of tooth are all ground to, now the first tooth
Transverse tooth thickness corresponding to position that the left and right flank of tooth is all ground to is Sn, and obtain repeating the total degree N of step 3；Repeat step every time
When three, described stock removal is identical value, and the first tooth stock removal when n-th being repeated is designated as Wn；
Step 5: pass through expression formulaThe one side calculating the first gear also needs to carry out the stock removal C of grinding,
By expression formula D=T0-(W1+…Wn)-C calculates residue carburized (case) depth D after the second tooth completes all grindings, wherein T0
For described workpiece carburized (case) depth after having carried out carburizing and quenching operation, S is the final transverse tooth thickness of gear；
Step 6: described second tooth is carried out grinding according to described stock removal C and described residue carburized (case) depth D.
The solution have the advantages that, the left flank of tooth and the right flank of tooth are carried out grinding and adds up grinding situation, by transverse tooth thickness and
Stock removal calculates the stock removal that gear also needs to carry out, and gear is worked into the size of requirement exactly the most at last, and counts exactly
Calculate carburized (case) depth.
Accompanying drawing explanation
Fig. 1 is the flow chart of the carburized gears flank of tooth method for grinding embodiment of the present invention.
Detailed description of the invention
Detailed description of the invention one: the carburized gears flank of tooth method for grinding of present embodiment is as it is shown in figure 1, method for grinding is at tooth
Wheel is carried out after carrying out carburizing and quenching operation, and each tooth of gear has mutually different numbering, and gear has the left flank of tooth and right tooth
Face, flank of tooth grinding is carried out by grinding attachment, and method for grinding comprises the steps:
Step one: determine the peak of the flank of tooth, is set to peak the starting point of grinding, and stores the phase of grinding attachment
To position, tooth corresponding for starting point is set to the first tooth.
Owing to gear can occur inhomogeneous deformation when quenching, cause left and right flank of tooth height different, if therefore to slap
Hold the left and right flank of tooth difference in height of each tooth, need the flank of tooth the highest from the flank of tooth of all teeth to start to process, i.e. from step one
The first tooth start calculate.The method finding the highest flank of tooth can be carried out by lathe.
Step 2: from the beginning of the first tooth, changes the relative position of grinding attachment so that the left flank of tooth of the first tooth and the right flank of tooth
In higher one side produce stock removal W1, and store transverse tooth thickness S that position that gear is ground to is corresponding1。
Change the method for relative position of grinding attachment be by by running order grinding attachment to flank of tooth direction
Mobile, and control the stock removal W that its generation is certain1, the transverse tooth thickness of the some correspondence that then record is ground to.
Step 3: the amount of feeding keeping grinding attachment is constant, all teeth is carried out grinding, stores in this grinding and newly occur
The numbering of the tooth being ground to.
Owing to step 2 carrying out grinding only for the first tooth, therefore in step 3, need to keep grinding and feeding amount not
Become, then the left and right flank of tooth of other teeth is carried out grinding.
Step 4: repeat step 3, until occurring that the left flank of tooth of the first tooth and the right flank of tooth are all ground to, now the first tooth
Transverse tooth thickness corresponding to the position that is ground to of the left flank of tooth be Sn, and obtain repeating step 2 or the total degree N of step 3；Weight every time
During multiple step 2, stock removal is identical value each other, and the first tooth stock removal when n-th being repeated is designated as Wn。
The left flank of tooth and the right flank of tooth if there is first tooth are all ground to, then it represents that can start to carry out this tooth
Calculate.Such as during the 9th grinding, the tooth left and right flank of tooth of numbered 1 is all ground to, and the amount of grinding every time is 0.05mm, that
The higher right flank of tooth of the higher left flank of tooth is high 8 × 0.05=0.4mm.When repeating step 2 each time, one will be carried out
Fixed stock removal, each stock removal can be that identical value can also be for different value, such as, for the first time during grinding, main purpose
It is that the stock removal making peak generation certain is the most suitable with the position confirming grinding attachment, therefore can select less grinding
Amount；When second time carries out grinding, stock removal can increase so that the less number of times of grinding just can be worked into the size on drawing；
From the beginning of third time, stock removal can be gradually reduced, because repeat grinding every time, all makes current transverse tooth thickness and theoretical value gap
Less, suitably reducing stock removal can be more accurately close to this value.
Step 5: pass through expression formula(S is the final transverse tooth thickness of gear), calculate the one side of the first tooth also need to into
The stock removal C of row grinding, by expression formula D=T0-(W1+…Wn)-C calculates the residue after the first tooth completes all grindings and ooze
Carbon-coating degree of depth D, wherein T0For described gear carburized (case) depth after having carried out carburizing and quenching operation.
Step 6: the second gear is carried out grinding according to C and D.
During owing to calculating in step 5, gear is also not up to the parameter identical with design drawing, can be accurate by calculating
Really learning the actual carburized (case) depth that gear is current, and transverse tooth thickness and the difference of theoretical value, therefore can be continued by above-mentioned parameter
Continuous grinding so that gear can reach the standard in drawing.
Detailed description of the invention two: present embodiment is unlike detailed description of the invention one: grinding attachment is emery wheel or mill
Cutting knife tool.
Other step and parameter are identical with detailed description of the invention one.
Detailed description of the invention three: present embodiment is unlike detailed description of the invention one or two: in step 2, " deposits
Storage " it is specially storage or manual record storage in the memorizer of machining tool.
I.e. in practical operation, staff's manually recorded transverse tooth thickness value can be passed through or by the storage function of lathe with electricity
Subdata form stores.
Other step and parameter are identical with detailed description of the invention one or two.
Detailed description of the invention four: present embodiment is unlike one of detailed description of the invention one to three: stock removal W1For
0.02mm, illustrates that in detailed description of the invention one carrying out grinding can select less grinding value for the first time, such as, select this
The 0.02mm of embodiment.
Other step and parameter are identical with one of detailed description of the invention one to three.
Detailed description of the invention five: present embodiment is unlike one of detailed description of the invention one to four: stock removal WnFor
0.05mm.I.e. in the case of first time stock removal is 0.02mm, follow-up stock removal can select 0.05mm, with less time
Number finds the position that left and right two flank of tooth are the most all ground to.Accurate in order to add up, Wn≤ 0.02mm can be selected.
When repeating step 3 i.e. every time, total stock removal that this total stock removal repeated can repeat equal to the last time, also
Can be less than last stock removal.
Other step and parameter are identical with one of detailed description of the invention one to four.
Detailed description of the invention six: present embodiment is unlike one of detailed description of the invention one to five: the tooth of numbered 1
The left and right flank of tooth be all ground to when the 9th grinding.
Table 1 is the grinding information slip of the carburized gears flank of tooth method for grinding embodiment of the present invention,
Table 1
From table 1, it can be seen that the record case of method therefor of the present invention, gear to be processed has 17 teeth, and molding is ground
During tooth machine grinding worm, the grinding simultaneously of the left and right flank of tooth, but owing to flank of tooth face, left and right shape is uneven, cause the left and right flank of tooth not necessarily same
Time be ground, repeating grinding and will not re-record the flank of tooth that the last time is ground to, until the first tooth left and right flank of tooth is all ground afterwards
Cut, start to calculate.
Table 2 is the carburized layer calculated case table of the carburized gears flank of tooth method for grinding embodiment of the present invention,
Table 2
Wherein No. 1 tooth transverse tooth thickness after first time grinding is 10.75mm, and the transverse tooth thickness after the 9th grinding is 10.3mm.
From Table 2, it can be seen that part tooth is just ground to for the 1st time, all it is ground to whole teeth when the 6th time, part
It is ground to for the first time during the right flank of tooth the 6th time, is ground to whole right flank of tooth when the 9th time.
From table 2, it is appreciated that the grinding situation of each tooth, and finally calculates the flank of tooth carburized (case) depth feelings of each tooth
Condition, by the parameter in figure and the parameter of design drawing, instructs follow-up gear grinding process, to complete the complete of gear teeth face
Portion's grinding.
Claims (6)
1. a carburized gears flank of tooth method for grinding, described method is carried out after gear carries out carburizing and quenching operation, described gear
Each tooth there is mutually different numbering, described gear has the left flank of tooth and the right flank of tooth, and described Gear shape process is filled by grinding
Put and carry out, it is characterised in that described method comprises the steps:
Step one: determine the peak of the flank of tooth, is set to described peak the starting point of grinding, and stores described grinding attachment
Relative position, tooth corresponding for described starting point is set to the first tooth；
Step 2: from the beginning of described first tooth, changes the relative position of described grinding attachment so that the left flank of tooth of described first tooth
Stock removal W is produced with higher one side in the right flank of tooth1, and store transverse tooth thickness S that position that described gear is ground to is corresponding1；
Step 3: the amount of feeding keeping described grinding attachment is constant, to other institutes in addition to described first tooth in described gear
There is tooth to carry out grinding, store the numbering of the emerging tooth being ground in this grinding；
Step 4: repeat step 3, until the left flank of tooth of the first tooth and the right flank of tooth are all ground to, the now left and right tooth of the first tooth
Transverse tooth thickness corresponding to position that face is ground to is Sn, and obtain repeating step 2 or the total degree N of step 3；Repeat step every time
When three, described stock removal is identical value each other, and total stock removal when n-th being repeated is designated as Wn；
Step 5: pass through expression formulaThe one side calculating the first tooth also needs to carry out the stock removal C of grinding, by expressing
Formula D=T0-(W1+…Wn)-C calculates residue carburized (case) depth D after the second tooth completes all grindings, wherein T0For described work
Part carburized (case) depth after having carried out carburizing and quenching operation, S is the final transverse tooth thickness of gear；
Step 6: described second tooth is carried out grinding according to described stock removal C and described residue carburized (case) depth D.
Method the most according to claim 1, it is characterised in that described grinding attachment is emery wheel or grinding knife tool.
Method the most according to claim 1, it is characterised in that in described step 2, described storage is specially in processing
Storage or manual record storage in the memorizer of lathe.
Method the most according to claim 1, it is characterised in that in described step 2, stock removal W1For 0.02mm.
5. according to the method described in claim 1 or 4, it is characterised in that in described step 4, total stock removal WnFor 0.05mm.
6. according to the method described in claim 1 or 4, it is characterised in that in described step 4, when repeating step 3 every time,
Total stock removal that this total stock removal repeated repeated equal to the last time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783261.4A CN106270807B (en) | 2016-08-30 | 2016-08-30 | A kind of carburized gears flank of tooth method for grinding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610783261.4A CN106270807B (en) | 2016-08-30 | 2016-08-30 | A kind of carburized gears flank of tooth method for grinding |
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| Publication Number | Publication Date |
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| CN106270807A true CN106270807A (en) | 2017-01-04 |
| CN106270807B CN106270807B (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274081A (en) * | 2017-02-14 | 2018-07-13 | 中国航发哈尔滨东安发动机有限公司 | A kind of deformation-compensated processing method of spiral bevel gear |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069527A (en) * | 1991-08-09 | 1993-03-03 | 东北重型机械学院 | Carbon arc carburizing |
| JPH11230312A (en) * | 1998-02-13 | 1999-08-27 | Nippon Steel Corp | High contact fatigue lifetime gear and manufacture thereof |
| CN1274019A (en) * | 2000-04-24 | 2000-11-22 | 江汉石油钻头股份有限公司 | Boronized-sulfurized composite layer on surface of steel parts |
| CN103737255A (en) * | 2013-12-04 | 2014-04-23 | 大连洁能重工机械有限公司 | Carburized layer depth deviation control method |
| CN104498965A (en) * | 2014-12-02 | 2015-04-08 | 南车戚墅堰机车车辆工艺研究所有限公司 | Carburizing and quenching method for cylindrical gear |
-
2016
- 2016-08-30 CN CN201610783261.4A patent/CN106270807B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069527A (en) * | 1991-08-09 | 1993-03-03 | 东北重型机械学院 | Carbon arc carburizing |
| JPH11230312A (en) * | 1998-02-13 | 1999-08-27 | Nippon Steel Corp | High contact fatigue lifetime gear and manufacture thereof |
| CN1274019A (en) * | 2000-04-24 | 2000-11-22 | 江汉石油钻头股份有限公司 | Boronized-sulfurized composite layer on surface of steel parts |
| CN103737255A (en) * | 2013-12-04 | 2014-04-23 | 大连洁能重工机械有限公司 | Carburized layer depth deviation control method |
| CN104498965A (en) * | 2014-12-02 | 2015-04-08 | 南车戚墅堰机车车辆工艺研究所有限公司 | Carburizing and quenching method for cylindrical gear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274081A (en) * | 2017-02-14 | 2018-07-13 | 中国航发哈尔滨东安发动机有限公司 | A kind of deformation-compensated processing method of spiral bevel gear |
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| CN106270807B (en) | 2018-11-27 |
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Effective date of registration: 20230105 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |
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