CN108941785A - A kind of compound milling attachment of general dise knife and its technique of large modulus cylindrical external gear - Google Patents
A kind of compound milling attachment of general dise knife and its technique of large modulus cylindrical external gear Download PDFInfo
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- CN108941785A CN108941785A CN201810874540.0A CN201810874540A CN108941785A CN 108941785 A CN108941785 A CN 108941785A CN 201810874540 A CN201810874540 A CN 201810874540A CN 108941785 A CN108941785 A CN 108941785A
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- dise knife
- tooth
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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
- B23F1/00—Making gear teeth by tools of which the profile matches the profile of the required surface
- B23F1/06—Making gear teeth by tools of which the profile matches the profile of the required surface by milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
- B23F21/12—Milling tools
- B23F21/14—Profile cutters of disc type
Abstract
A kind of compound milling attachment of general dise knife and its technique of large modulus cylindrical external gear can meet the coarse-fine processing of 12mm or more large modulus cylindrical external gear based on forming, envelope Gear Milling principle.General dise knife of the invention includes: disc-shaped tool body (1), carbide chip (2), fastening screw (3)；The corresponding compound tooth gear milling machine of forming/envelope specifically includes that lathe bed (4), column (5), Z axis planker (6), Y-axis planker (7), A axis is pulled angle planker (8), compound mill teeth spindle box (9), numerical control turntable (10), bracket tooling (11), external tooth roller gear (12).The invention has the advantages that: workpiece clamped one time is rough milled, half essence/finish-milling process is not required to tool changing, can meet all kinds of tooth form/axial modifications and soft/Hardened gear face processing request.
Description
Technical field
The present invention relates to Computerized Numerical Control processing technology field, the compound milling of general dise knife of especially a kind of large modulus cylindrical external gear
Turning device and its technique belong to " Numeric Control Technology and numerical DC speed " and " cutting technology and equipment " subject, advanced manufacture skill
Art field.
Technical background
Large module gear is often referred to modulus in the gear of 12mm or more, the common processing work of existing large modulus cylindrical external gear
Skill specifically includes that forming mill teeth, envelope mill teeth, transforms into gear hobbing, transforms into gear shaping, formation teeth-grinding and dise knife envelope mill teeth.For not
There are following seven kinds of common processing technologys such as table 1 with tooth face hardness and requirement on machining accuracy.
The existing tooth processing technology of 1. large modulus cylindrical external gear of table
Dise knife shapes mill teeth as a kind of efficient, low cost, environmentally protective tooth processing technology, is widely used.But for
Finish-milling processing, haves the shortcomings that cutter poor universality, cutter and processing flexibility are poor, can not adapt to small batch external tooth roller gear
The market demand of processing.Certainly, stick knife envelope Gear milling process can partially make up above-mentioned deficiency, the especially people in escape very little
Word tooth processing aspect is with the obvious advantage, but processing technology is complicated, and the cost of charp tool is high and processing efficiency is low.
Summary of the invention
The present invention is to overcome deficiency existing for above-mentioned processing technology, proposes a kind of general dise knife of large modulus cylindrical external gear
The cutter structure of compound milling attachment and its technique, general dise knife is simple and at low cost, can meet 12mm or more large modulus cylinder
The efficient coarse-fine processing technology of external gear, while meeting all kinds of tooth form/axial modifications and soft/Hardened gear face processing request, it processes soft
Property is strong, and workpiece only needs clamped one time and no replacement is required cutter, and processing efficiency is higher and environmentally protective, and machining accuracy can reach GB7-
8 grades, processing efficiency is 2~3 times of tradition rolling gear shaping.
Technical scheme is as follows:
A kind of compound milling attachment of general dise knife of large modulus cylindrical external gear, it is characterised in that carried out using general dise knife
Mill teeth, the general dise knife specifically include that disc-shaped tool body (1), carbide chip (2), fastening screw (3), can expire simultaneously
The high rigidity of foot strength forming mill teeth and the high-precision requirement of envelope mill teeth.
The general dise knife is distributed using inserted-blade type side set, and the side edge and top sword of dise knife revolution enveloping solid axial cross section are
Straight wide, 15~20 ° of side edges of profile angle and top sword are arc transition；The flank of cylindrical external gear carries out micro line segment by the side edge of cutterhead
Envelope, by cutterhead top arc progress envelope, (radius of curvature of cutterhead top arc is less than Gear Root mistake to tooth root transition arc
Cross arc radius), root circle carries out envelope by cutterhead top sword.
Further include the compound tooth gear milling machine of forming/envelope, the compound tooth gear milling machine of forming/envelope include: lathe bed (4),
It is arranged in Z axis planker (6), the Y-axis planker of column (5) and numerical control turntable (10), setting on column (5) on lathe bed (4)
(7), A axis pulls the bracket tooling (11) of angle planker (8) and compound mill teeth spindle box (9), setting on numerical control turntable (10)
With external tooth roller gear (12), the disc-shaped tool body (1) is installed on compound mill teeth spindle box (9), lathe include X-axis, Y-axis and
Three linear servo feed shafts of Z axis, two rotary servovalve feed shafts of A axis and C axis, SP axis are general dise knife rotating shaft.
A kind of compound milling process of general dise knife of large modulus cylindrical external gear, it is characterised in that shaped including general dise knife
Method roughing technique；
The general dise knife forming process roughing technique includes the following steps: that Y-axis returns to zero-bit, and cutterhead symmetrical centre is logical
Cross the C axis centre of gyration, A axis pulls certain angle, and after X-axis radial feed, Z/C axis link and processes along upmilling, each tooth socket
It completes the process rear turntable and carries out one division, until all tooth sockets complete the process.In order to ensure the processing rigidity of forming mill teeth, X-axis
It is required to carry out hydraulic locking with Y-axis.
It further include half essence of general dise knife envelope method/fine-processing technique；
Half essence of the general dise knife envelope method/fine-processing technique includes the following steps: firstly, A axis is pulled certain angle
Degree, X/Y/C axis move to designated position；Secondly, entire helical tooth flank is cut into a rule along flank profil direction (weft direction)
Belt-like zone carries out the linkage of Z/C axis (warp direction) along warp, along " upmilling (I) → climb cutting (II) → upmilling
(III) ... " alternating reciprocating feed, every knife readjusts the position of X/Y/C axis after processing is completed, then carries out next knife envelope,
Until the flank profil of entire tooth socket is completed along flank profil direction envelope；Then, turntable is indexed to next tooth socket, repeats above-mentioned envelope
Movement, until entire gear envelope completes the process.
It further include forming mill teeth one division processing technology；The forming mill teeth one division processing technology includes the following steps,
According to different modules, it is divided into a knife or multitool (feed signal such as figure radial feed (IV) → radial feed (V) → tooth
The wide right left flank of tooth tangential feed (VII) of flank of tooth tangential feed (VI) → flank profil), the unilateral general 2~3mm of surplus can be removed
80% or more machining allowance；Finishing uses envelope method, and the profile accuracy of envelope depends on the setting of the residual height difference of the flank of tooth
Size, and it is closely related with the knife number of envelope, and general envelope knife number is 10~60.
When further including the compound mill teeth of forming, envelope, adjust general dise knife angle of inclination beta ' the step of: allow cutterhead and workpiece
Contact line is in normal plane；Then 80% or more machining allowance is removed using forming mill teeth roughing；It is finally flat using method
Tool profile carries out Envelope Milling to flank, tooth root and tooth root transition arc respectively in face, along the weft in gear normal plane
Direction requires to calculate least micro line segment/arc envelope knife number and corresponding envelope depth according to residual height difference；All mill teeth processes
To reduce idle stroke to the maximum extent along the suitable upmilling alternation method of warp direction.
The angle of inclination beta of the general cutterhead ' and workpiece Base spiral angle βbAnd cutterhead profile angle α is related:
Wherein cutterhead profile angle α=15~20 °, corresponding forming mill teeth Y-axis are located at zero-bit, envelope mill teeth Y
Axis stroke ± 220mm；
According to the corresponding general dise knife difference cutting position of envelope process, the speed of mainshaft is adjusted, it is ensured that envelope mill teeth linear speed
It spends constant.General cutter diameter φ 400~480mm, 100~180rpm of the speed of mainshaft, forming mill teeth feed speed 300~
500mm/min, 800~1200mm/min of envelope mill teeth feed speed.
The beneficial effects of the present invention are:
Compared with existing processing technology and lathe, of the invention is mainly had the prominent advantages that:
(1) each point of hard alloy coated blade both participates in cutting during envelope, and the even wearing of blade helps to mention
The service life of blade is risen, and reduces the cost of charp tool；
(2) one can cover general dise knife the range of work of different moduluses and the different numbers of teeth, improve processing flexibility, drop
The low cost of charp tool and period；
(3) one can be completed at the same time forming mill teeth roughing and half essence of envelope mill teeth/finishing general dise knife, reduce
It processes non-cutting time and avoids the cutter and workpiece secondary clamping error because of process zone of transformation；
(4) general dise knife shortens the Y-direction stroke of the mill teeth spindle box during envelope after pressure angle and optimizing, and subtracts
The small additional torque of spindle box eccentricity and chip-load；
(5) the compound milling process method of general dise knife can satisfy all kinds of tooth form/axial modifications and soft/Hardened gear face processing is wanted
It asks, solves the problems, such as the versatility of disc milling cutter, reduce the cost of charp tool, it is flexible strong；
(6) for specific residual height difference requirement, envelope knife number can be minimized under the premise of guaranteeing envelope precision, is wrapped
GB7-8 grades of network machining accuracy, processing efficiency is 2~3 times of tradition rolling gear shaping, surface roughness: Ra3.2；
(7) the compound main outstanding advantages of milling process method of the general dise knife of large modulus cylindrical external gear of the invention exist
It in workpiece clamped one time, rough mills, half essence/finish-milling process is not required to tool changing, all kinds of tooth form/axial modifications and soft/Hardened gear face can be met
Processing request solves the problems, such as the versatility of disc milling cutter, reduces the cost of charp tool, improves the processing flexibility of gear.
Detailed description of the invention
Fig. 1 is general dise knife warp envelope method schematic diagram of the invention.
Figure 1A is the partial enlargement diagram of A in Fig. 1.
Figure 1B is the partial enlargement diagram of B in Fig. 1.
Fig. 2 is universal disc skill in using a kitchen knife in cookery plane projection schematic diagram of the invention.
Fig. 3 a is general dise knife forming process roughing process schematic representation.
Fig. 3 b is half essence of general dise knife envelope method/compound Gear milling process schematic diagram of finishing forming/envelope.
Fig. 4 is general dise knife appearance schematic diagram of the invention.
Fig. 5 is the axle sectional shape figure that general dise knife of the invention turns round enveloping solid.
Fig. 6 is the compound tooth gear milling machine structural schematic diagram of general dise knife profiled envelope of the invention.
Part description in figure: 1 is disc-shaped tool body, and 2 be carbide chip, and 3 be fastening screw, and 4 be lathe bed, and 5 be column,
6 be Z axis planker, and 7 be Y-axis planker, and 8 pull angle planker for A axis, and 9 be compound mill teeth spindle box, and 10 be numerical control turntable, and 11 are
Bracket tooling, 12 be external tooth roller gear.
Specific embodiment
The technology of the present invention content is explained with reference to the accompanying drawing:
As shown in Figures 1 to 6, the compound milling attachment of general dise knife and its technique of a kind of large modulus cylindrical external gear,
It is characterized in that forming based on roller gear, envelope process principle, the coarse-fine of 12mm or more large modulus cylindrical external gear can be met
Gear Milling.A kind of compound milling process method of the general dise knife of large modulus cylindrical external gear, forming/packet based on roller gear
Network process principle can meet the cylinder external tooth of 12mm or more large modulus, soft/Hardened gear face using the compound tooth gear milling machine of forming/envelope
Thick/half essence/finish-milling processing is taken turns, workpiece clamped one time, cutter does not need to change, and dual-use is flexible strong.
Embodiment one.
A kind of compound milling attachment of general dise knife of large modulus cylindrical external gear includes general dise knife, the general dise knife
It specifically includes that disc-shaped tool body (1), carbide chip (2), fastening screw (3), the Gao Gang that strength shapes mill teeth can be met simultaneously
The high-precision requirement of property and envelope mill teeth.The geometric parameter of cutterhead is cutter rotary enveloping solid outer profile parameter, and main includes outer
Diameter φ D, effective milling width H, effective milling depth L, profile angle α, side edge and the arc radius R for pushing up sword.
Further technical solution is that the general dise knife is distributed using inserted-blade type side set, and dise knife turns round enveloping solid axis
It is straight exterior feature to the side edge and top sword in section, 15~20 ° of side edges of profile angle and top sword are arc transition；The flank of cylindrical external gear by
The side edge of cutterhead carries out micro line segment envelope, and tooth root transition arc carries out the envelope (song of cutterhead top arc by cutterhead top arc
Rate radius is less than Gear Root transition arc radius), root circle carries out envelope by cutterhead top sword.
Embodiment two.
A kind of compound milling attachment of general dise knife of large modulus cylindrical external gear includes the compound tooth gear milling machine of forming/envelope,
The compound tooth gear milling machine of forming/envelope includes: lathe bed (4), column (5), Z axis planker (6), Y-axis planker (7), and A axis pulls angle
It spends planker (8), compound mill teeth spindle box (9), numerical control turntable (10), bracket tooling (11), external tooth roller gear (12).Dish type
Cutter hub (1) is installed on compound mill teeth spindle box (9).Lathe includes three X-axis, Y-axis and Z axis linear servo feed shafts, A axis and
Two rotary servovalve feed shafts of C axis, SP axis are general dise knife rotating shaft.Lathe can meet the high rigidity that strength shapes mill teeth simultaneously
With the high-precision requirement of envelope mill teeth.
Embodiment three.
A kind of compound milling process of general dise knife of large modulus cylindrical external gear, it is characterised in that shaped including general dise knife
Method roughing technique；It further include half essence of general dise knife envelope method/fine-processing technique；It further include forming mill teeth one division processing work
Skill；
The compound milling process method of the general dise knife is equally applicable to the processing of half finish-milling, as heat treatment (as quenched)
Or the transition process before finishing (roll flute)；It is (true according to heat treatment and finishing requirements by the way that reasonable allowance for finish is arranged
It is fixed) and the residual height difference of flank profil (0.1mm or so), guarantee that the surplus of finishing is uniform and improves the efficiency of finishing.
The general dise knife forming process roughing technique includes the following steps: that Y-axis returns to zero-bit, and cutterhead symmetrical centre is logical
Cross the C axis centre of gyration, A axis pulls certain angle, and after X-axis radial feed, Z/C axis link and processes along upmilling, each tooth socket
It completes the process rear turntable and carries out one division, until all tooth sockets complete the process.In order to ensure the processing rigidity of forming mill teeth, X-axis
It is required to carry out hydraulic locking with Y-axis.
Half essence of the general dise knife envelope method/fine-processing technique includes the following steps: firstly, A axis is pulled certain angle
Degree, X/Y/C axis move to designated position；Secondly, entire helical tooth flank is cut into a rule along flank profil direction (weft direction)
Belt-like zone carries out the linkage of Z/C axis (warp direction) along warp, along " upmilling (I) → climb cutting (II) → upmilling
(III) ... " alternating reciprocating feed, every knife readjusts the position of X/Y/C axis after processing is completed, then carries out next knife envelope,
Until the flank profil of entire tooth socket is completed along flank profil direction envelope；Then, turntable is indexed to next tooth socket, repeats above-mentioned envelope
Movement, until entire gear envelope completes the process.
The forming mill teeth one division processing technology includes the following steps, according to different modules, be divided into a knife or
(the feed signal such as right flank of tooth tangential feed (VI) of figure radial feed (IV) → radial feed (V) → flank profil → flank profil is left for person's multitool
Flank of tooth tangential feed (VII)), the unilateral general 2~3mm of surplus can remove 80% or more machining allowance；Finishing is using packet
Network method, the profile accuracy of envelope depend on the setting size of the residual height difference of the flank of tooth, and closely related with the knife number of envelope, and one
As envelope knife number be 10~60.
Preferably, when forming, the compound mill teeth of envelope, first adjust the angle of inclination beta of general dise knife ', allow cutterhead and workpiece
Contact line is in normal plane；Then 80% or more machining allowance is removed using forming mill teeth roughing；It is finally flat using method
Tool profile carries out Envelope Milling to flank, tooth root and tooth root transition arc respectively in face, along the weft in gear normal plane
Direction requires to calculate least micro line segment/arc envelope knife number and corresponding envelope depth according to residual height difference；All mill teeth processes
To reduce idle stroke to the maximum extent along the suitable upmilling alternation method of warp direction.
The angle of inclination beta of the general cutterhead ' and workpiece Base spiral angle βbAnd cutterhead profile angle α is related.By cutterhead with
The arbitrary point method of gear helicoid contact line, which is sweared, to be overlapped, and is obtainedWherein cutterhead profile angle α=15~20 °, it is right
The forming mill teeth Y-axis answered is located at zero-bit, envelope mill teeth Y-axis stroke ± 220mm.
On inclination angle beta ' section that A axis is pulled, flank profil is non-involute tooth form, by facing cutter directly wide sword and it is non-gradually
Section of bursting at the seams carries out tangent solution, and tangent method for solving when similar straight-tooth envelope in end section is identical, residual by equivalent method
The control of height difference calculates envelope knife rail.In addition, during the entire envelope of the flank of tooth, βbAnd α is determined in advance, therefore β ' is fixed
Value, i.e. A axis do not need transformation angle during envelope.The contact line law vector of cutterhead and workpiece is respectively positioned in normal plane.
It, can the adjust automatically speed of mainshaft according to the corresponding general dise knife difference cutting position of envelope process, it is ensured that envelope milling
Tooth trace constant airspeed.General cutter diameter φ 400~480mm, 100~180rpm of the speed of mainshaft shape mill teeth feed speed 300
~500mm/min, 800~1200mm/min of envelope mill teeth feed speed.
The different location of the corresponding knife cutting of envelope process, can the adjust automatically speed of mainshaft, it is ensured that envelope milling
Tooth trace constant airspeed.Compound milling process parameter is as follows:
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to structure of the invention
Think and range is defined, under the premise of not departing from design concept of the present invention, ordinary engineering and technical personnel is to this hair in this field
The all variations and modifications that bright technical solution is made should all fall into protection scope of the present invention, the claimed skill of the present invention
Art content is all described in the claims.
Claims (8)
1. a kind of compound milling attachment of general dise knife of large modulus cylindrical external gear, it is characterised in that described including general dise knife
General dise knife specifically include that disc-shaped tool body (1), carbide chip (2), fastening screw (3), can meet simultaneously strength shape
The high rigidity of mill teeth and the high-precision requirement of envelope mill teeth.
2. the compound milling attachment of general dise knife of large modulus cylindrical external gear according to claim 1, it is characterised in that institute
The general dise knife stated is distributed using inserted-blade type side set, and dise knife turns round the side edge of enveloping solid axial cross section and top sword is straight wide, tooth form
15~20 ° of angle side edge and top sword are arc transition；The flank of cylindrical external gear carries out micro line segment envelope, tooth root by the side edge of cutterhead
By cutterhead top arc progress envelope, (radius of curvature of cutterhead top arc is less than Gear Root transition arc half to transition arc
Diameter), root circle carries out envelope by cutterhead top sword.
3. the compound milling attachment of general dise knife of large modulus cylindrical external gear according to claim 1, it is characterised in that also
Including the compound tooth gear milling machine of forming/envelope, the compound tooth gear milling machine of forming/envelope includes: lathe bed (4), is arranged in lathe bed
(4) Z axis planker (6), Y-axis planker (7), the A axis of column (5) and numerical control turntable (10), setting on column (5) on pull angle
Spend the bracket tooling (11) and external tooth Cylinder Gear of planker (8) and compound mill teeth spindle box (9), setting on numerical control turntable (10)
It takes turns (12), the disc-shaped tool body (1) is installed on compound mill teeth spindle box (9), and lathe includes three X-axis, Y-axis and Z axis straight lines
Servo feed axis, two rotary servovalve feed shafts of A axis and C axis, SP axis are general dise knife rotating shaft.
4. a kind of compound milling process of general dise knife of large modulus cylindrical external gear, it is characterised in that including general dise knife forming process
Roughing technique；
The general dise knife forming process roughing technique includes the following steps: that Y-axis returns to zero-bit, and cutterhead symmetrical centre passes through C
The axis centre of gyration, A axis pull certain angle, and after X-axis radial feed, Z/C axis link and processes along upmilling, each tooth socket processing
It completes rear turntable and carries out one division, until all tooth sockets complete the process.In order to ensure the processing rigidity of forming mill teeth, X-axis and Y-axis
It is required to carry out hydraulic locking.
5. the compound milling process of general dise knife of large modulus cylindrical external gear according to claim 4, it is characterised in that also
Including half essence of general dise knife envelope method/fine-processing technique；
Half essence of the general dise knife envelope method/fine-processing technique includes the following steps: firstly, A axis is pulled certain angle, X/
Y/C axis moves to designated position；Secondly, entire helical tooth flank is cut into a rule banded regions along flank profil direction (weft direction)
Domain carries out the linkage of Z/C axis (warp direction) along warp, alternately along " upmilling (I) → climb cutting (II) → upmilling (III) ... "
Reciprocating feed, every knife readjust the position of X/Y/C axis after processing is completed, then carry out next knife envelope, until entire tooth socket
Flank profil is completed along flank profil direction envelope；Then, turntable is indexed to next tooth socket, repeats above-mentioned envelope movement, until entire
Gear envelope completes the process.
6. the compound milling process of general dise knife of large modulus cylindrical external gear according to claim 4, it is characterised in that also
Including shaping mill teeth one division processing technology；The forming mill teeth one division processing technology includes the following steps, according to different
Module, being divided into a knife or multitool, (feed signal such as figure radial feed (IV) → radial feed (V) → right flank of tooth of flank profil is cut
To the left flank of tooth tangential feed (VII) of feed (VI) → flank profil), the unilateral general 2~3mm of surplus, can remove 80% or more plus
Spare time amount；Finishing uses envelope method, and the profile accuracy of envelope depends on the setting size of the residual height difference of the flank of tooth, and with packet
The knife number of network is closely related, and general envelope knife number is 10~60.
7. the compound milling process of general dise knife of large modulus cylindrical external gear according to claim 4, it is characterised in that also
When including forming, the compound mill teeth of envelope, adjust general dise knife angle of inclination beta ' the step of: allow the contact line of cutterhead and workpiece to be in
In normal plane；Then 80% or more machining allowance is removed using forming mill teeth roughing；It is finally wide using cutter in normal plane
Shape carries out Envelope Milling to flank, tooth root and tooth root transition arc respectively, along the weft direction in gear normal plane, according to residual
Height difference requires to calculate least micro line segment/arc envelope knife number and corresponding envelope depth；All mill teeth processes are along warp
The suitable upmilling alternation method in direction, reduces idle stroke to the maximum extent.
8. the compound milling process of general dise knife of large modulus cylindrical external gear according to claim 7, it is characterised in that institute
The angle of inclination beta for the general cutterhead stated ' and workpiece Base spiral angle βbAnd cutterhead profile angle α is related:Wherein knife
Disk profile angle α=15~20 °, corresponding forming mill teeth Y-axis are located at zero-bit, envelope mill teeth Y-axis stroke ± 220mm；
According to the corresponding general dise knife difference cutting position of envelope process, the speed of mainshaft is adjusted, it is ensured that envelope mill teeth linear velocity is permanent
It is fixed.General cutter diameter φ 400~480mm, 100~180rpm of the speed of mainshaft shape 300~500mm/ of mill teeth feed speed
Min, 800~1200mm/min of envelope mill teeth feed speed.
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| CN201810874540.0A CN108941785B (en) | 2018-08-03 | 2018-08-03 | Universal disc cutter composite milling process for large-modulus cylindrical outer gear |
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|---|---|---|---|
| CN201810874540.0A CN108941785B (en) | 2018-08-03 | 2018-08-03 | Universal disc cutter composite milling process for large-modulus cylindrical outer gear |
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| CN113681088A (en) * | 2021-09-26 | 2021-11-23 | 重庆齿轮箱有限责任公司 | High-precision cylindrical gear milling machining method |
| CN114433959A (en) * | 2022-01-24 | 2022-05-06 | 浙江陀曼数字技术有限公司 | Sector gear machining method and sector gear |
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| CN109977999A (en) * | 2019-02-19 | 2019-07-05 | 山东理工大学 | A method of non-rotating tool validity feature line is solved by discrete workpieces curved surface |
| CN112123036A (en) * | 2020-09-21 | 2020-12-25 | 江阴塞特精密工具有限公司 | High-precision grinding process of small-modulus rolling slotting tool |
| CN112123036B (en) * | 2020-09-21 | 2021-07-30 | 江阴塞特精密工具有限公司 | High-precision grinding process of small-modulus rolling slotting tool |
| CN113681088A (en) * | 2021-09-26 | 2021-11-23 | 重庆齿轮箱有限责任公司 | High-precision cylindrical gear milling machining method |
| CN114433959A (en) * | 2022-01-24 | 2022-05-06 | 浙江陀曼数字技术有限公司 | Sector gear machining method and sector gear |
| CN114433959B (en) * | 2022-01-24 | 2023-01-10 | 浙江陀曼数字技术有限公司 | Sector gear machining method and sector gear |
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| CN108941785B (en) | 2021-03-23 |
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