CN104353907A - Machining method of insert gear - Google Patents
Machining method of insert gear Download PDFInfo
- Publication number
- CN104353907A CN104353907A CN201410729851.XA CN201410729851A CN104353907A CN 104353907 A CN104353907 A CN 104353907A CN 201410729851 A CN201410729851 A CN 201410729851A CN 104353907 A CN104353907 A CN 104353907A
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- China
- Prior art keywords
- emery wheel
- grinding
- inlaying
- blank
- processing method
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Abstract
The invention provides a machining method of an insert gear, which belongs to the technical field of machining. The machining method comprises the following steps: obliquely installing an index plate on an ordinary grinding machine relative to a horizontal plane, wherein the dip angle is alpha; clamping a blank on the index plate; calculating a rotation degree b corresponding to each tooth according to the to-be-machined teeth quantity, wherein b=360 DEG/teeth quantity; vertically driving a grinding wheel to move downwards to begin to grind the blank, wherein the grinding depth is (as shown in the specifications), and h is the tooth height; driving the grinding wheel to vertically move upwards, and simultaneously rotating the index plate, wherein the index plate rotates for b while the grinding wheel rises for (as shown in the specifications); repeating the front two steps, and completing the machining of the surplus teeth. The machining method of the insert gear is simple and convenient in operation and can be completed by utilizing the ordinary grinding machine and the index plate, and the cost is very low compared with the traditional machining method.
Description
Technical field
The present invention relates to Machining Technology field, in particular to the processing method of inlaying gear.
Background technology
Existing gear of inlaying generally adopts Cutter Body Processing with Machining Center or electrode machining, and the cost of these processing methods is very high.
Summary of the invention
The object of the present invention is to provide the processing method of inlaying gear, to solve the above problems.
The present invention is achieved in that
The processing method of originally inlaying gear comprises the following steps: be inclined relative to horizontal by index dial and be installed on general-purpose grinder, and inclination angle is a; By blank clamping on index dial; The rotation number of degrees b that each tooth of the Tooth Number Calculation of processing as required is corresponding, b=360 °/number of teeth; Emery wheel is mobile straight down starts grinding blank, and grinding depth is
wherein h is tooth depth; Emery wheel moves straight up, rotates index dial simultaneously, and emery wheel often improves
index dial rotates b; Repeat the first two step, complete the processing of residual tooth.Rotate index dial while pull-up emery wheel, can grind the inclined-plane of a tooth like this, then emery wheel is vertically left behind for the second time and is ground to
time dark, just complete the processing of a tooth.Next repeat same operation, just can complete the processing of all teeth.Wherein, the parameter such as the number of teeth, tooth depth and facewidth is determined according to the actual requirements.
Further, blank first carries out Quenching Treatment before carrying out grinding.Quenching can tempering blank, increases its case hardness, eliminates its internal stress, reduces the distortion of blank in process, ensures the dimensional accuracy after processing.
Further, the abrasive material of emery wheel is cubic boron nitride.The material of gear generally has higher intensity and hardness, and the hardness of cubic boron nitride is only second to diamond, and heat endurance is higher than diamond, is suitable for very much the processing of gear.
Further, the granularity of emery wheel is 60#-100#, to ensure higher grinding accuracy.
Further, the gait of march of emery wheel is 0.2mm/s-0.5mm/s, to avoid the emery wheel too fast workpiece deformation that causes of advancing excessive.
Further, emery wheel of leaving behind starts the degree of depth
grinding time, every grinding
pull-up emery wheel, interval 2s-4s, then carry out grinding next time.Lasting grinding can make slab temperature too high, cause larger deflection, and the mode of interval grinding can weaken this bad impact.
Further, every 8s-10s, a cooling fluid cooling is carried out to blank, prevent the too high generation excessive deformation of slab temperature, affect machining accuracy.
The processing method of originally inlaying gear is simple to operation, and use general-purpose grinder and index dial to complete, for existing processing mode, cost is very cheap.
Accompanying drawing explanation
The structural representation of the blank that Fig. 1 provides for the embodiment of the present invention;
The structural representation inlaying gear that Fig. 2 provides for the embodiment of the present invention;
The top view inlaying gear that Fig. 3 provides for the embodiment of the present invention;
The scheme of installation inlaying gear that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is for emery wheel when gear is inlayed in processing that the embodiment of the present invention provides is relative to the direction of motion figure of blank;
The structural representation of the tooth that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
Consult Fig. 1-6, the present embodiment is with the number of teeth for 20, and tooth depth h is 5mm, and inclination angle a is the gear of inlaying of 10 ° is that example is processed, and wherein rotate the number of degrees b=360 °/number of teeth=360 °/20=18 °, grinding depth is
The processing method of originally inlaying gear comprises the following steps: index dial is inclined relative to horizontal 10 ° and is installed on general-purpose grinder; By blank clamping on index dial, the shape of blank as shown in Figure 1; It is 18 ° that the Tooth Number Calculation of processing as required the rotation number of degrees corresponding to each tooth; Emery wheel is mobile straight down starts grinding blank, and grinding depth is 5.1mm; Emery wheel at the uniform velocity moves straight up, rotates index dial simultaneously, and emery wheel often improves 5.1mm, and index dial rotates 18 °; Repeat the first two step, complete the processing of residual tooth.While pull-up emery wheel rotate index dial, the inclined-plane of a tooth can be ground like this, then emery wheel vertically second time move down grinding 5.1mm dark time, just complete the processing of a tooth.Next repeat same operation, just can complete the processing of all teeth.Blank in this enforcement is the clamping that is tilted to the left, and therefore index dial is for rotating counterclockwise.
Blank first carries out Quenching Treatment before carrying out grinding.Quenching can tempering blank, increases its case hardness, eliminates its internal stress, reduces the distortion of blank in process, ensures the dimensional accuracy after processing.
The abrasive material of emery wheel is cubic boron nitride.The material of gear generally has higher intensity and hardness, and the hardness of cubic boron nitride is only second to diamond, and heat endurance is higher than diamond, is suitable for very much the processing of gear.
The granularity of emery wheel is 60#-100#, to ensure higher grinding accuracy.
The gait of march of emery wheel is 0.2mm/s-0.5mm/s, to avoid the emery wheel too fast workpiece deformation that causes of advancing excessive.
Emery wheel of leaving behind starts the degree of depth when being the grinding of 5.1mm, every grinding 1.275mm, pull-up emery wheel, interval 2s-4s, then carries out grinding next time.Lasting grinding can make slab temperature too high, cause larger deflection, and the mode of interval grinding can weaken this bad impact.
Every 8s-10s, a cooling fluid cooling is carried out to blank, prevent the too high generation excessive deformation of slab temperature, affect machining accuracy.
The processing method of originally inlaying gear is simple to operation, and use general-purpose grinder and index dial to complete, for existing processing mode, cost is very cheap.
Certainly, the blank in above-described embodiment can be tilted to the right clamping, and emery wheel rotates clockwise also can grinding to go out same to inlay gear.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. inlay a processing method for gear, it is characterized in that, comprise the following steps: be inclined relative to horizontal by index dial and be installed on general-purpose grinder, inclination angle is a; By blank clamping on index dial; The rotation number of degrees b that each tooth of the Tooth Number Calculation of processing as required is corresponding, described b=360 °/number of teeth; Emery wheel is mobile straight down starts grinding blank, and grinding depth is
wherein h is tooth depth; Emery wheel moves straight up, rotates index dial simultaneously, and emery wheel often improves
index dial rotates b; Repeat the first two step, complete the processing of residual tooth.
2. processing method of inlaying gear according to claim 1, is characterized in that, described blank first carries out Quenching Treatment before carrying out grinding.
3. processing method of inlaying gear according to claim 1, is characterized in that, the abrasive material of described emery wheel is cubic boron nitride.
4. processing method of inlaying gear according to claim 1, is characterized in that, the granularity of described emery wheel is 60#-100#.
5. processing method of inlaying gear according to claim 1, is characterized in that, the gait of march of described emery wheel is 0.2mm/s-0.5mm/s.
6. processing method of inlaying gear according to claim 1, is characterized in that, emery wheel of leaving behind starts the degree of depth and is
grinding time, every grinding
pull-up emery wheel, interval 2s-4s, then carry out grinding next time.
7. processing method of inlaying gear according to claim 1, is characterized in that, carries out a cooling fluid cooling every 8s-10s to blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410729851.XA CN104353907A (en) | 2014-12-03 | 2014-12-03 | Machining method of insert gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410729851.XA CN104353907A (en) | 2014-12-03 | 2014-12-03 | Machining method of insert gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104353907A true CN104353907A (en) | 2015-02-18 |
Family
ID=52521265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410729851.XA Pending CN104353907A (en) | 2014-12-03 | 2014-12-03 | Machining method of insert gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104353907A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2474393A (en) * | 1942-04-17 | 1949-06-28 | Fellows Gear Shaper Co | Method of generating clutch teeth for extended intimate contact |
| CN101293290A (en) * | 2007-04-27 | 2008-10-29 | Kapp有限公司 | Method and grinding machine for profiling a grinding tool |
| CN201572873U (en) * | 2009-11-10 | 2010-09-08 | 成都宏明双新科技股份有限公司 | Helical tooth insert for helical gear processing die |
| CN101850446A (en) * | 2010-05-31 | 2010-10-06 | 二重集团（德阳）重型装备股份有限公司 | Finish machining method for tooth form of large modulus rack |
| CN102423818A (en) * | 2011-10-10 | 2012-04-25 | 唐进元 | Method for grinding face gear by formed grinding wheel |
| CN103111689A (en) * | 2013-02-21 | 2013-05-22 | 綦江永跃齿轮有限公司 | Forming and milling process of automotive differential clutch engagement sleeve |
-
2014
- 2014-12-03 CN CN201410729851.XA patent/CN104353907A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2474393A (en) * | 1942-04-17 | 1949-06-28 | Fellows Gear Shaper Co | Method of generating clutch teeth for extended intimate contact |
| CN101293290A (en) * | 2007-04-27 | 2008-10-29 | Kapp有限公司 | Method and grinding machine for profiling a grinding tool |
| CN201572873U (en) * | 2009-11-10 | 2010-09-08 | 成都宏明双新科技股份有限公司 | Helical tooth insert for helical gear processing die |
| CN101850446A (en) * | 2010-05-31 | 2010-10-06 | 二重集团（德阳）重型装备股份有限公司 | Finish machining method for tooth form of large modulus rack |
| CN102423818A (en) * | 2011-10-10 | 2012-04-25 | 唐进元 | Method for grinding face gear by formed grinding wheel |
| CN103111689A (en) * | 2013-02-21 | 2013-05-22 | 綦江永跃齿轮有限公司 | Forming and milling process of automotive differential clutch engagement sleeve |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150218 |