CN202462126U - Gear grinding machine for precision finishing of half-cut top gear shaping cutter - Google Patents
Gear grinding machine for precision finishing of half-cut top gear shaping cutter Download PDFInfo
- Publication number
- CN202462126U CN202462126U CN2012200715301U CN201220071530U CN202462126U CN 202462126 U CN202462126 U CN 202462126U CN 2012200715301 U CN2012200715301 U CN 2012200715301U CN 201220071530 U CN201220071530 U CN 201220071530U CN 202462126 U CN202462126 U CN 202462126U
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- emery wheel
- planker
- hemisection
- slide rule
- diamond pen
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Abstract
The utility model discloses a gear grinding machine for precision finishing of a half-cut top gear shaping cutter, comprising a grinding machine body, a dividing device, a grinding wheel lifting carriage, a grinding wheel, a grinding wheel lifting adjusting device, a longitudinal grinding wheel adjusting device, a transverse grinding wheel adjusting device, a grinding wheel major blade finisher, a grinding wheel half-cut top finisher and a grinding wheel lifting displacement measuring device. The gear grinding machine is designed with the half-cut top finisher and the displacement measuring tool on the basis of a Y7125 gear grinding machine according to the principle thereof; the implementation cost is low; as a result, the angle between the chamfering diamond pen of the grinding wheel half-cut top finisher and the side face of the grinding wheel and the load of the chamfering diamond pen in the radial direction of the grinding wheel both can be adjusted according to data; as the involute tooth form of the major blade and the involute tooth form of the half-cut top are ground by two finishers, the intersection points of the tooth forms are clearer; therefore, the time of angle adjustment can be effectively shortened and the production efficiency is improved; and simultaneously, the grinding accuracy of the half-cut top gear shaping cutter can be effectively guaranteed; besides, the gear grinding machine for precision finishing of the half-cut top gear shaping cutter has fine popularization and application prospects.
Description
Technical field
The utility model relates to the machine tool technology field, and particularly a kind of ability data-driven accurately adjusted the hemisection top and grind angle and the gear grinder that grinds the position compensation adjustment behind the polishing emery wheel in the process.
Background technology
Gear tooth tooth angle both sides are cut the gear of (being gear teeth tooth top chamfering) more, and common name tip relief gear is pressed gear teeth processing method and is distinguished, and is called hemisection apical tooth wheel again.Hemisection apical tooth wheel helps reducing because the caused impact of various errors has been used widely in the gear drive of products such as automobile, motorcycle, gearing, and is simultaneously, also increasingly high to the requirement of its machining accuracy.
Process high-precision hemisection apical tooth wheel, at first will guarantee the precision of hemisection tip cutting serrated knife.For now; Influence hemisection tip cutting serrated knife factors of accuracy and mainly contain following 2 points: 1) design of hemisection tip cutting serrated knife is the approximate formula that adopts, and can not accurately calculate hemisection tip cutting serrated knife master sword involute profile, hemisection apical tooth shape intersection point radius and hemisection top involute base radius; 2) production hemisection tip cutting serrated knife processing grinding machine or substitute the producer of grinding machine not also in the industry; All be that the Y7125 lathe that adopts grinds pinion cutter in the machinery knives processing industry, and hemisection top frock also is simple frock, can not be when lathe adjust with data as adjusting foundation; What can not accurately access hemisection top grinds angle and offset; Not only the angle adjustment time is long, production efficiency is low, and the pinion cutter precision of being produced is difficult to guarantee, in addition; When utilizing existing frock that emery wheel is polished, the intersection point of main sword involute profile and hemisection top involute profile is clear inadequately.
Above-mentioned reason has caused uses this pinion cutter not high in the hemisection apical tooth wheel precision of the system of inserting; In order to guarantee the geometric accuracy of hemisection apical tooth wheel, at first, when design hemisection tip cutting serrated knife, must adopt accurate method for designing; Design main sword involute profile, hemisection top involute profile intersection point radius and hemisection top involute base radius; In addition, when grinding hemisection tip cutting serrated knife, must adopt the aforementioned calculation data to control the adjustment of lathe, to reach the designing requirement that hemisection tip cutting serrated knife accurately grinds.
Therefore, accurately adjust the lathe that the hemisection top grinds angle and process hemisection tip cutting serrated knife,, simultaneously, also improve its production efficiency to guarantee the precision of hemisection tip cutting serrated knife but need to explore a kind of data-driven.
The utility model content
In view of this; The utility model provides a kind of gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife; This gear grinder improves on the basis of Y7125 lathe; Through frock is designed, but being pushed up, its data-driven adjustment hemisection grinds angle, be difficult to guarantee the technical problem low to solve existing lathe institute production pinion cutter precision with production efficiency.
The utility model solves the problems of the technologies described above through following technological means:
The gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife of the utility model; Comprise grinding machine body, indexing means, emery wheel up-down planker, emery wheel, emery wheel elevation and subsidence regulating device, emery wheel longitudinal adjustment apparatus, emery wheel lateral adjustment device and emery wheel master sword trimmer, also comprise emery wheel hemisection top trimmer and be used to measure the displacement measuring device of emery wheel up-down displacement;
Said emery wheel hemisection top trimmer comprises chamfering diamond pen and chamfering diamond pen adjusting device, and said chamfering diamond pen adjusting device is regulated angle between chamfering diamond pen and the emery wheel side and at directly the make progress amount of feeding of chamfering diamond pen of emery wheel;
During the trimming wheel chamfering, the chamfering diamond pen moves radially along emery wheel, and the motion track of the main sword diamond pen of its motion track and emery wheel master sword trimmer is in same plane.
During the trimming wheel chamfering, the chamfering diamond pen moves radially along emery wheel, and the motion track of the main sword diamond pen of its motion track and emery wheel master sword trimmer is in same plane.
Further, said gear grinder comprises also and the synchronization-moving wheel guard support of emery wheel that said chamfering diamond pen adjusting device is fixedly connected on the wheel guard support removably;
Further; The planker that said chamfering diamond pen adjusting device comprises the location frame that detachably is fixedly connected with the wheel guard support, be arranged on the frame of location and can radially move back and forth along emery wheel, be used to regulate carriage hand wheel, the planker retaining mechanism that is used for the locking positioning planker that planker moves, be arranged at the planker end face and can around slide rule workbench, a table hand-wheel that is used to regulate the rotation of slide rule workbench that rotates perpendicular to the axis of planker end face, the table locking mechanism that is used for locking positioning slide rule workbench, can be on the slide rule workbench slidable adjustment slide rule and be used for the slide rule retaining mechanism of locking positioning slide rule; Said chamfering diamond pen is fixed in the end of slide rule near the emery wheel edge; Said locating support upper edge emery wheel radially is provided with the length scale, and it is the angle index at center that the planker end face is provided with the rotating shaft of slide rule workbench;
Further, on the said planker with locating support on the corresponding length vernier graduation that is provided with of length scale form the vernier ruler, form the vernier angle square with the corresponding angle vernier graduation that is provided with of angle index of planker end face on the said slide rule workbench;
Further; On the said slide rule workbench chute is set; Said slide rule activity is embedded in the chute; Said slide rule retaining mechanism comprises the slide rule panel that is arranged at chute one side and passes the slide rule workbench and withstand the lock-screw of slide rule panel with the thread fiting mode ecto-entad that the tail end of said lock-screw stretches out slide rule workbench sidewall, is with fastening screw nut on its section of stretching out;
Further; On the said planker gathering sill is set; The guided way that cooperates with gathering sill is set on the frame of said location; Said planker retaining mechanism comprises the planker panel that is arranged at gathering sill one side and passes planker and withstand the lock-screw of planker panel with the thread fiting mode ecto-entad that the tail end of said lock-screw stretches out the planker sidewall, is with fastening screw nut on its section of stretching out;
Further, said gathering sill is a dovetail groove;
Further, said table locking mechanism comprises the table latch bolt, and said table latch bolt passes the slide rule workbench and screws in the planker;
Further, said displacement measuring device comprises the amesdial that fixedly installs, and the gauge rod front end edge vertical direction of said amesdial withstands emery wheel up-down planker;
Further, said displacement measuring device also comprises the dial framework that is fixed on the grinding machine body, and said amesdial is fixed on the dial framework.
The beneficial effect of the utility model: the utility model the utility model discloses a kind of gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife, comprise grinding machine body, indexing means, emery wheel up-down planker, emery wheel, emery wheel elevation and subsidence regulating device, emery wheel longitudinal adjustment apparatus, emery wheel lateral adjustment device, emery wheel master sword trimmer, emery wheel hemisection top trimmer and emery wheel up-down displacement measuring device; The utility model utilizes its principle design hemisection top trimmer and displacement measurement frock on the basis of Y7125 gear grinder; Implementation cost is low, but realized between chamfering diamond pen and the emery wheel side of emery wheel hemisection top trimmer angle and emery wheel directly upwards the amount of feeding of its chamfering diamond pen all data-driven directly adjust to the right place, and because main sword involute profile is that two trimmers are polished with hemisection top involute profile; Make the profile of tooth intersection point more clear; Can effectively shorten the time of adjustment angle, improve production efficiency, simultaneously; Also can effectively guarantee the precision that grinds of hemisection tip cutting serrated knife, have good popularization and application prospect.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of emery wheel hemisection top trimmer;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the left view of Fig. 2;
Fig. 5 is the profile of tooth sketch map of processed pinion cutter;
Fig. 6 is the A-A sectional view of Fig. 1 medium plain emery wheel.
The specific embodiment
Below will combine accompanying drawing that the utility model is elaborated; As shown in the figure: the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife of present embodiment; Comprise grinding machine body 1, indexing means 2, emery wheel up-down planker 3, emery wheel 4, emery wheel elevation and subsidence regulating device 5, emery wheel longitudinal adjustment apparatus 6, emery wheel lateral adjustment device 7 and emery wheel master sword trimmer 8, but present embodiment increases the frock of Precision Machining hemisection tip cutting serrated knife on the basis of Y7125 gear grinder, on the Y7125 gear grinder; Laterally be meant the direction of indexing means output shaft; Promptly like the left and right directions in Fig. 1 view, vertically be meant the interior and horizontal vertical direction of horizontal plane, several adjusting devices are respectively applied for the adjusting emery wheel and move along all directions; Emery wheel master sword trimmer 8 radially moves back and forth along emery wheel, is used for reconditioning emery wheel side;
Said gear grinder also comprises emery wheel hemisection top trimmer 9 and is used to measure the displacement measuring device of emery wheel 4 up-down displacements;
Said emery wheel hemisection top trimmer comprises chamfering diamond pen 9a and chamfering diamond pen adjusting device, and said chamfering diamond pen adjusting device is regulated angle between chamfering diamond pen 9a and emery wheel 4 sides and the amount of feeding of the chamfering diamond pen 9a that makes progress in emery wheel 4 footpaths; During trimming wheel 4 chamferings, chamfering diamond pen 9a moves radially along emery wheel 4, and the motion track of the main sword diamond pen 8a of its motion track and emery wheel master sword trimmer 8 is in same plane and have angle.During use, at first calculate adjustment angle, emery wheel hemisection top, quantitatively adjust hemisection top trimmer according to these data then; Make diamond pen 9a polishing emery wheel, compare, can effectively shorten the time of adjustment angle with simple frock of the prior art; Enhance productivity, simultaneously, also can effectively guarantee the precision that grinds of hemisection tip cutting serrated knife; In addition, because main sword involute profile and hemisection top involute profile are two trimmer polishings, make the profile of tooth intersection point more clear.
Further improvement as technique scheme; Said gear grinder also comprises and emery wheel 4 synchronization-moving wheel guard supports 10; Said chamfering diamond pen adjusting device is connected on the wheel guard support 10 through bolt; It is constant that the relative position of diamond pen and emery wheel is remained, and utilize that original wheel guard support fixes emery wheel hemisection top trimmer on the gear grinder, transform implement easier.
Further improvement as technique scheme; The planker 12 that said chamfering diamond pen adjusting device comprises the location frames 11 that detachably are fixedly connected with wheel guard support 10, be arranged on the frame 11 of location and can radially move back and forth along emery wheel 4, be used to regulate carriage hand wheel 13, the planker retaining mechanism that is used for locking positioning planker 12 that planker 12 moves, be arranged at planker 12 end faces and can be around a slide rule workbench 14 that rotates perpendicular to the axis of planker 12 end faces, be used to regulate the table hand-wheel 15 that slide rule workbench 14 rotates, the table locking mechanism that is used for locking positioning slide rule workbench 14, can be on slide rule workbench 14 slidable adjustment slide rule 16 and be used for the slide rule retaining mechanism of locking positioning slide rule 16; Said chamfering diamond pen 9a is fixed in the end of slide rule 16 near emery wheel 4 edges; Can realize the angle adjustment of chamfering diamond pen through rotary table; Can realize through moving of planker that the chamfering diamond pen laterally moves repairs emery wheel; Said locating support 11 upper edge emery wheels 4 radially are provided with length scale 11a; So that accurately adjust the trim amount of chamfering diamond pen; It is the angle index 12a at center that planker 12 end faces are provided with 14 rotating shafts of slide rule workbench, so that accurately adjust the finishing angle of chamfering diamond pen.
Further improvement as technique scheme; On the said planker 12 with locating support 11 on the corresponding length vernier graduation 12b that is provided with of length scale 11a form the vernier ruler; Form the vernier angle square with the corresponding angle vernier graduation 14b that is provided with of angle index 12a of planker 12 end faces on the said slide rule workbench 14, make the adjustment precision of emery wheel hemisection top trimmer higher.
Further improvement as technique scheme; On the said slide rule workbench 14 chute 14a is set, said slide rule 16 activities are embedded in the chute 14a, and said slide rule retaining mechanism comprises the slide rule panel 17 that is arranged at chute 14a one side and passes slide rule workbench 14 and withstand the lock-screw 18 of slide rule panel 17 with the thread fiting mode ecto-entad; During use; Unclamp lock-screw adjustment slide rule to suitable position, when emery wheel is repaired, then tighten lock-screw with fixing slide rule.In the present embodiment, the tail end of said lock-screw stretches out the slide rule workbench, and its section of stretching out goes up and screws in fastening screw nut, makes lock-screw locking more solid and reliable.
Further improvement as technique scheme; On the said planker 12 gathering sill 12c is set; The guided way 11b that cooperates with gathering sill 12c is set on the said location frame 11; Said planker retaining mechanism comprises the planker panel 19 that is arranged at gathering sill 12c one side and passes planker 12 and withstand the lock-screw 18 of planker panel 19 with the thread fiting mode ecto-entad; Unclamp lock-screw when needing the lateral attitude of adjustment chamfering diamond pen, same, when trimming wheel, then tighten lock-screw planker is fixed.
Further improvement as technique scheme; Said gathering sill 12c is a dovetail groove, and after the planker panel was held out against, the gathering sill of oat tail groove structure can prevent planker, and frame came off from the location; Also eliminate the gap between planker and the locating support, be difficult for loosening when making the grinding wheel chamfering finishing.
Further improvement as technique scheme; Said table locking mechanism comprises table latch bolt 20; Said table latch bolt 20 passes slide rule workbench 14 and screws in the planker 12; Be provided with spring washer between table latch bolt and the rotary work countertop, tighten the table latch bolt rotary table is fixed, easy to operate.
Further improvement as technique scheme; Said displacement measuring device comprises the amesdial 21 that fixedly installs, and the gauge rod 21a front end edge vertical direction of said amesdial 21 withstands emery wheel up-down planker 3, measures the displacement vertically of emery wheel up-down planker through amesdial; The degree of accuracy is higher; Since emery wheel up-down planker and emery wheel synchronization lifting, therefore, the up-down displacement that the displacement of measurement emery wheel up-down planker can be measured emery wheel.
As the further improvement of technique scheme, said displacement measuring device also comprises the dial framework 22 that is fixed on the grinding machine body 1, and said amesdial 21 is fixed on the dial framework 22, and it is fixing on machine body to be convenient to amesdial.
The gear grinder that utilizes present embodiment to spur shaper cutter (modulus M:5, pressure angle α: 20 °, tooth number Z: 68, anterior angle γ: 5 °, relief angle e:6 °, main sword base circle diameter (BCD): dbo=89.1736, hemisection top base circle diameter (BCD): db φ o=62.0930, to angle point tooth depth: h=10.128, to angle point chordal tooth thickness: S=10.248, the cam diameter: it is following Dt=190) to carry out the procedure of processing that precision grinds:
1) at first calculate=20 ° 10 of hemisection tip cutting serrated knife master sword established angle: α peace ' calculate again adjustment angle, emery wheel hemisection top: △ α=29 ° 00 ';
2) rotation slide rule workbench is read is 0 ° to adjustment emery wheel hemisection top trimmer, and chamfering diamond pen 9a moves radially along emery wheel 4, and the motion track of the main sword diamond pen 8a of its motion track and emery wheel master sword trimmer 8 is in same plane.
3) with α peace adjustment Y7125 gear grinder established angle,, try mill with the angle of △ α adjustment emery wheel hemisection top trimmer;
4) measure hemisection tip cutting serrated knife main cutting edge involute profile; If defective, the adjustment established angle is measured hemisection tip cutting serrated knife intersection point tooth depth hc again till the main cutting edge involute is qualified; Ask the difference △ h=h-hc of itself and reference addendum h; If △ h＞0, the handwheel of then adjusting emery wheel elevation and subsidence regulating device 5 makes emery wheel up-down planker 3 move down △ h value (reading displacement through amesdial), if △ h＜0; The handwheel of then adjusting emery wheel elevation and subsidence regulating device 5 makes the upwards moving △ h value of emery wheel up-down planker, to satisfy the requirement of intersection height.If want trimming wheel hemisection top △ α, then whenever move hemisection top cross slide one segment distance, emery wheel up-down planker will move down an identical segment distance, and with compensation hemisection tip cutting serrated knife position of intersecting point height, adjustment is repaired polishing to emery wheel after accomplishing; During mill another side profile of tooth, note control transverse tooth thickness or intersection point tooth depth;
If will repair hemisection tip cutting serrated knife master sword; Every finishing once; Will read emery wheel thickness from emery wheel master sword trimmer and reduce value; Handwheel through emery wheel emery wheel lateral adjustment device 7 laterally moves emery wheel and reduces to be worth an identical segment distance again, simultaneously, also adjusts emery wheel move up (the available computing method of the value that moves up or bump the technique of writing and ask for).
Explanation is at last; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the aim and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (10)
1. gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife; Comprise grinding machine body (1), indexing means (2), emery wheel up-down planker (3), emery wheel (4), emery wheel elevation and subsidence regulating device (5), emery wheel longitudinal adjustment apparatus (6), emery wheel lateral adjustment device (7) and emery wheel master sword trimmer (8), it is characterized in that: also comprise emery wheel hemisection top trimmer (9) and be used to measure the displacement measuring device of emery wheel (4) up-down displacement;
Said emery wheel hemisection top trimmer comprises chamfering diamond pen (9a) and chamfering diamond pen adjusting device, and said chamfering diamond pen adjusting device is regulated angle between chamfering diamond pen (9a) and emery wheel (4) side and the amount of movement of the chamfering diamond pen (9a) that makes progress in emery wheel (4) footpath;
During trimming wheel (4) chamfering, chamfering diamond pen (9a) moves radially along emery wheel (4), and the motion track of the main sword diamond pen (8a) of its motion track and emery wheel master sword trimmer (8) is in same plane.
2. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 1; It is characterized in that: comprise also and the synchronization-moving wheel guard support of emery wheel (4) (10) that said chamfering diamond pen adjusting device is fixedly connected on the wheel guard support (10) removably.
3. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 2; It is characterized in that: said chamfering diamond pen adjusting device comprises the location frame (11) that detachably is fixedly connected with wheel guard support (10), be arranged at that location frame (11) goes up and the planker (12) that can radially move back and forth along emery wheel (4), be used to regulate carriage hand wheel (13), the planker retaining mechanism that is used for locking positioning planker (12) that planker (12) moves, be arranged at planker (12) end face and can be around slide rule workbench (14), a table hand-wheel (15) that is used to regulate slide rule workbench (14) rotation that rotates perpendicular to the axis of planker (12) end face, the table locking mechanism that is used for locking positioning slide rule workbench (14), can go up the slide rule (16) of slidable adjustment and be used for the slide rule retaining mechanism of locking positioning slide rule (16) at slide rule workbench (14); Said chamfering diamond pen (9a) is fixed in the end of slide rule (16) near emery wheel (4) edge; Said locating support (11) upper edge emery wheel (4) radially is provided with length scale (11a), and it is the angle index (12a) at center that planker (12) end face is provided with slide rule workbench (14) rotating shaft.
4. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 3; It is characterized in that: said planker (12) go up with locating support (11) on the corresponding length vernier graduation (12b) that is provided with of length scale (11a) form the vernier ruler, said slide rule workbench (14) is gone up corresponding angle vernier graduation (14b) the formation vernier angle square that is provided with of angle index (12a) with planker (12) end face.
5. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 4; It is characterized in that: chute (14a) is set on the said slide rule workbench (14); Said slide rule (16) activity is embedded in the chute (14a), and said slide rule retaining mechanism comprises the slide rule panel (17) that is arranged at chute (14a) side and passes slide rule workbench (14) and withstand the lock-screw (18) of slide rule panel (17) with the thread fiting mode ecto-entad.
6. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 5; It is characterized in that: gathering sill (12c) is set on the said planker (12); Said location frame (11) go up to be provided with the guided way (11b) that cooperates with gathering sill (12c), and said planker retaining mechanism comprises the planker panel (19) that is arranged at gathering sill (12c) side and passes planker (12) and withstand the lock-screw (18) of planker panel (19) with the thread fiting mode ecto-entad.
7. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 6 is characterized in that: said gathering sill (12c) is a dovetail groove.
8. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 7; It is characterized in that: said table locking mechanism comprises table latch bolt (20), and said table latch bolt (20) passes slide rule workbench (14) and screws in the planker (12).
9. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 8; It is characterized in that: said displacement measuring device comprises the amesdial (21) that fixedly installs, and gauge rod (21a) the front end edge vertical direction of said amesdial (21) withstands emery wheel up-down planker (3).
10. the gear grinder that can be used for Precision Machining hemisection tip cutting serrated knife according to claim 9 is characterized in that: said displacement measuring device also comprises the dial framework (22) that is fixed on the grinding machine body (1), and said amesdial (21) is fixed on the dial framework (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200715301U CN202462126U (en) | 2012-02-29 | 2012-02-29 | Gear grinding machine for precision finishing of half-cut top gear shaping cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200715301U CN202462126U (en) | 2012-02-29 | 2012-02-29 | Gear grinding machine for precision finishing of half-cut top gear shaping cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202462126U true CN202462126U (en) | 2012-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200715301U Withdrawn - After Issue CN202462126U (en) | 2012-02-29 | 2012-02-29 | Gear grinding machine for precision finishing of half-cut top gear shaping cutter |
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| Country | Link |
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| CN (1) | CN202462126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729104A (en) * | 2012-02-29 | 2012-10-17 | 重庆工具厂有限责任公司 | Gear grinding machine capable of precisely machining semi-topping slotting cutter |
-
2012
- 2012-02-29 CN CN2012200715301U patent/CN202462126U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729104A (en) * | 2012-02-29 | 2012-10-17 | 重庆工具厂有限责任公司 | Gear grinding machine capable of precisely machining semi-topping slotting cutter |
| CN102729104B (en) * | 2012-02-29 | 2014-11-26 | 重庆工具厂有限责任公司 | Gear grinding machine capable of precisely machining semi-topping slotting cutter |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121003 Effective date of abandoning: 20141126 |
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| RGAV | Abandon patent right to avoid regrant |