CN111637144A - Gear shaft part and machining method thereof - Google Patents
Gear shaft part and machining method thereof Download PDFInfo
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- CN111637144A CN111637144A CN202010479916.5A CN202010479916A CN111637144A CN 111637144 A CN111637144 A CN 111637144A CN 202010479916 A CN202010479916 A CN 202010479916A CN 111637144 A CN111637144 A CN 111637144A
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- 238000003754 machining Methods 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000003801 milling Methods 0.000 claims abstract description 54
- 238000012545 processing Methods 0.000 claims abstract description 18
- 230000033001 locomotion Effects 0.000 claims description 26
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 238000003672 processing method Methods 0.000 abstract description 5
- 238000004663 powder metallurgy Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/02—Shafts; Axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The invention relates to a gear shaft part and a processing method thereof, in particular to a complex gear shaft part and a UG-based numerical control processing method thereof, wherein the gear shaft part is in a stepped hollow shaft shape and is provided with a first shaft part, a second shaft part and a third shaft part which have the outer diameters from small to large and are sequentially connected, a gear is arranged outside the first shaft part, the side surfaces of the second shaft part and the third shaft part are provided with cross sections to form a D-shaped shaft structure, the cross sections of the second shaft part and the third shaft part are on the same plane, the cross section of the second shaft part is provided with a slotted hole, and the end surface of the tail end of the third shaft part; the machining method is to perform the milling machining method on a general four-axis numerical control machining center. Compared with the prior art, the invention meets the requirements of two connection forms of D-shaped connection and flange connection of output end equipment through the gear shaft part; and in addition, high-efficiency and high-precision milling processing of the complex gear part is realized based on UG.
Description
Technical Field
The invention relates to a gear shaft part and a machining method thereof, in particular to a complex gear shaft part and a UG-based numerical control machining method thereof.
Background
The gear shaft is the most important supporting rotary part in the engineering machinery, can realize the rotary motion of the gear and other parts, can transmit torque and power for a long distance, is widely applied to the engineering machinery with the advantages of high transmission efficiency, long service life, compact structure and the like, and becomes one of basic parts for the transmission of the engineering machinery. At present, with the rapid development of domestic economy and the expansion of infrastructure, a new wave is generated for the demand of engineering machinery.
Generally, when a gear shaft transmits torque and power, a gear end (one end provided with a gear) is connected with a power input gear in a gear meshing mode, and the shaft end is connected with output end equipment.
In addition, for the gear structure, the hobbing method and the powder metallurgy method are generally used in the prior art, a special tool and a special die are needed, the cost is high, the processing efficiency is low, and particularly for the gear shaft part with a complex structure, the two processing modes are more inappropriate.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a gear shaft part and a machining method thereof. The requirements of two connection modes of D-shaped connection and flange connection of output end equipment are met through the gear shaft part. In addition, based on UG, high-efficiency and high-precision milling processing of the complex gear part is realized.
The purpose of the invention can be realized by the following technical scheme:
the invention provides a gear shaft part, which is in a stepped hollow shaft shape and is provided with a first shaft part, a second shaft part and a third shaft part, wherein the first shaft part, the second shaft part and the third shaft part are sequentially connected from small to large in outer diameter, a gear is arranged outside the first shaft part, the side surfaces of the second shaft part and the third shaft part are provided with cross sections to form a D-shaped shaft structure, the cross sections of the second shaft part and the third shaft part are on the same plane, a slotted hole is formed in the cross section of the second shaft part, and four threaded holes are formed in the end face of the.
Preferably, the gear parameters are as follows: the number of teeth is 48, the modulus is 1, the pressure angle is 20 °, the diameter of the addendum circle is 50mm, the diameter of the reference circle is 48mm, and the diameter of the dedendum circle is 45.5 mm.
Preferably, the tooth profile of the gear is an involute tooth profile.
Preferably, both ends of the gear teeth of the gear are provided with tooth end chamfers.
Preferably, a gap is formed between the gear and the second shaft part.
Preferably, the slot is arranged in the middle of the section of the side surface of the second shaft.
Preferably, the slot hole is a stepped hole.
Preferably, the first and third shaft portions have a length less than the length of the second shaft portion.
Preferably, the outer edges of the end faces of the second and third shaft portions towards one end of the first shaft portion are provided with chamfers.
Preferably, the four threaded holes are evenly distributed on the end face of the end of the third shaft portion.
The invention provides a method for processing gear shaft parts, which utilizes a four-axis processing center and comprises the following steps:
s1: processing the blank into a stepped cylindrical structure according to the parameters of the gear shaft, and drilling a drill hole matched with the threaded hole on the end face of the tail end of the third shaft part to manufacture a blank;
s2: establishing a three-dimensional model of the gear shaft by utilizing modeling software according to the parameters of the gear shaft;
s3: according to the gear shaft three-dimensional model established in the step S2, establishing a milling cutter motion track for gear rough machining;
s4: according to the gear shaft three-dimensional model established in the step S2, establishing a milling cutter motion track for gear finish machining;
s5: generating a program according to the movement track of the milling cutter for rough machining of the gear and the movement track of the milling cutter for finish machining of the gear;
s6: importing the program generated in the step S6 into a four-axis machining center, and machining the blank gear through rough machining and fine machining of the gear in sequence; the rough machining process of the gear adopts cavity milling, and the finish machining process of the gear adopts depth profile milling.
Preferably, in step S1, the blank is formed by four-axis machining center, or by a general machine tool.
Preferably, in step S1, during drilling, the three-jaw clamp is used to clamp the outer circle of the third shaft portion, four holes are drilled through the center drill point, and then the drill is used to drill holes and tap.
Preferably, in step S2, the modeling software is Unigraphics NX software.
Preferably, in step S2, the gear parameters of the gear shaft parameters are as follows: the number of teeth is 48, the modulus is 1, the pressure angle is 20 °, the diameter of the addendum circle is 50mm, the diameter of the reference circle is 48mm, and the diameter of the dedendum circle is 45.5 mm.
Preferably, in step S6, in the gear rough machining process, a milling rough machining is performed by using a milling cutter with a diameter of 0.5mm through a cavity milling method, and the machining allowance is 0.1 mm; in the gear finish machining process, finish machining is carried out by a milling cutter with the diameter of 0.1mm through a depth profile milling method, and the machining allowance is 0 mm.
Preferably, in step S6, the gear rough machining and the gear finish machining are performed by forming the gear by excavating tooth grooves one by one.
Preferably, the processing method further comprises the steps of: and (4) establishing the motion trail of the milling cutter for processing the side sections of the second shaft part and the third shaft part and the motion trail of the cutter for processing the slotted hole according to the three-dimensional gear shaft model established in the step (S2), and importing the milling cutter into a four-shaft processing center according to a motion trail generation program.
Preferably, the machining method further comprises the step of machining the side sections of the second shaft part and the third shaft part and the slotted hole by adopting a plane profile milling machine.
The invention has the following beneficial effects:
(1) the gear shaft part integrates two output end equipment connecting interfaces on a single product, so that the gear shaft part can meet the requirements of two connecting modes of D-shaped connection and flange connection of output end equipment. The product universality is improved, and the supply and customer spare part cost is reduced.
(2) The invention further adopts a four-axis machining center for machining and molding under the condition of integrating two output end equipment connecting interfaces, thereby avoiding the defect that two production lines need to be arranged in the prior art.
(3) The flange connection is realized by four threaded holes on the end face of the tail end of the third shaft part, the D-shaped connection is realized by the sections of the side faces of the second shaft part and the third shaft part, and the two connection modes are not interfered with each other. When the D-shaped connection is adopted, the slotted hole can be matched, so that the D-shaped connection is more stable.
(4) The machining method of the gear shaft part is to perform the milling machining method on a universal four-axis numerical control machining center. A gear shaft model is established, and a milling cutter motion track is designed according to the gear shaft model. The gear shaft can be machined without a formed milling cutter and a special machine tool, has the characteristics of high machining efficiency, high precision and the like, and widens the machining method of the gear shaft.
Drawings
Fig. 1 is a schematic structural view of a gear shaft part of the present invention.
Fig. 2 is a bottom view schematically showing the gear shaft part of the present invention.
FIG. 3 is a schematic view of a blank during the process of manufacturing the gear shaft part according to the present invention.
FIG. 4 is a schematic diagram of the tool path trajectory during gear roughing according to the present invention.
FIG. 5 is a schematic diagram of a tool path for a gear finishing process of the present invention.
In the figure, 1 is the first shaft, 11 is the gear, 111 is the gear end chamfer, 2 is the first shaft, 3 is the third shaft, 4 is the section, 5 is the slotted hole, 6 is the chamfer.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
A gear shaft part is shown in figures 1-2 and is in a stepped hollow shaft shape, and is provided with a first shaft part 1, a second shaft part 2 and a third shaft part 3 which are sequentially connected from small to large in outer diameter, a gear 11 is arranged outside the first shaft part 1, a section 4 is arranged on the side face of the second shaft part 2 and the side face of the third shaft part 3, a D-shaped shaft structure is formed, the section 4 of the second shaft part 2 and the section 4 of the third shaft part 3 are on the same plane, a slotted hole 5 is formed in the section 4 of the second shaft part 2, and four threaded holes 31 are formed in the end face of the tail end of the third shaft part.
The gear shaft part integrates two output end equipment connecting interfaces on a single product, so that the gear shaft part can meet the requirements of two connecting modes of D-shaped connection and flange connection of output end equipment. The product universality is improved, and the supply and customer spare part cost is reduced. The flange connection is realized by four threaded holes on the end face of the tail end of the third shaft part, the D-shaped connection is realized by the sections of the side faces of the second shaft part and the third shaft part, and the two connection modes are not interfered with each other. When the D-shaped connection is adopted, the slotted hole can be matched, so that the D-shaped connection is more stable.
In the present invention, the parameters (part of) of the gear 11 are preferably as follows: the number of teeth is 48, the modulus is 1, the pressure angle is 20 °, the diameter of the addendum circle is 50mm, the diameter of the reference circle is 48mm, and the diameter of the dedendum circle is 45.5 mm. In practice, the gear parameters can be reasonably selected according to requirements. The tooth profile of the gear 11 in this embodiment may be an involute tooth profile. The tooth profile can be meshed correctly even if the center distance is slightly wrong; the correct tooth shape is easy to obtain, and the processing is also easy; because of the rolling engagement on the curve, the rotational movement can be smoothly transmitted; as long as the gear teeth are the same in size, one cutter can machine gears with different tooth numbers; the tooth root is thick and strong, and the strength is high. In practice, other tooth shapes may be selected as desired. It is further preferred that both ends of the teeth of the gear 11 are provided with tooth end chamfers 111. The outer edges of the end faces of the second shaft part 2 and the third shaft part 3 towards one end of the first shaft part 1 are provided with chamfers. Through setting up the chamfer, when not influencing product performance, promoted the grade sense of product. In the present invention, a gap is preferably provided between the gear 11 and the second shaft portion 2. Namely, the gear part and the end surface of the second shaft part are separated, so that the second shaft part is prevented from interfering the gear in the operation process, and the gap between the second shaft part and the gear is favorable for the heat dissipation of the gear in the operation process of the gear shaft (the heat is taken away by utilizing the air flow).
In the present invention, the lengths of the first shaft portion 1 and the third shaft portion 3 are preferably smaller than the length of the second shaft portion 2. And preferably the slot 5 is provided in the middle of the section 4 of the side of the second shaft part 2. It is further preferable that the slot hole 5 is a stepped hole. It is further preferable that the four threaded holes 31 are evenly distributed on the end surface of the third shaft portion 3.
The method for processing the gear shaft part can adopt a hobbing method and a powder metallurgy method, and also can adopt a four-axis processing center for processing, and the four-axis processing center is preferably utilized in the invention, and comprises the following steps:
s1: according to the parameters of the gear shaft, in order to facilitate clamping and meet the tool retracting requirement in the machining process, a blank (the shape and the size and the depth of a hole can be determined according to the parameters of a specific gear shaft, which belongs to the general quality of a person skilled in the art) is machined into a stepped cylindrical structure, and a drill hole matched with a threaded hole in the end face of the third shaft part is drilled to manufacture a blank, as shown in fig. 3. The blank can be processed and formed by a four-axis processing center, and can also be processed and formed by a common machine tool (so that the working time of the processing center can be saved). The turning and drilling procedures during the blank machining are preferably manually programmed using existing procedures. During drilling, a three-jaw clamp is used for clamping the excircle of the third shaft part, four holes are drilled at the center, then a drill bit is used for drilling, and tapping is performed. For example, a three-jaw jig is used to clamp a 70mm diameter outer circle of the third shaft portion, four holes are drilled in the bottom of the center drill point (of the third shaft portion), a 5mm drill is used to drill a 12mm depth bottom hole of M6, and a tap is used to tap an M6 tap depth of 8mm, and the gauge is tested.
S2: and establishing a three-dimensional model of the gear shaft by utilizing modeling software according to the gear shaft parameters, wherein the Unigraphics NX software is preferably adopted by the modeling software.
S3: and establishing a milling cutter motion track for gear rough machining according to the three-dimensional gear shaft model established in the step S2, as shown in FIG. 4.
S4: and establishing a motion track of the milling cutter for gear finishing according to the three-dimensional model of the gear shaft established in the step S2, as shown in FIG. 5.
S5: generating a program according to the motion trail of the milling cutter for rough machining of the gear and the motion trail of the milling cutter for finish machining of the gear, and checking whether the program is correct;
s6: importing the program generated in the step S6 into a four-axis machining center, and machining the blank gear through rough machining and fine machining of the gear in sequence; the rough machining process of the gear adopts cavity milling, and the finish machining process of the gear adopts depth profile milling.
In step S6, the gear is formed by performing rough gear machining and finish gear machining by excavating tooth grooves one by one. In the gear rough machining process, milling rough machining is carried out by using a milling cutter with the diameter of 0.5mm through a cavity milling method, and the machining allowance is 0.1 mm; in the gear finish machining process, finish machining is carried out by a milling cutter with the diameter of 0.1mm through a depth profile milling method, and the machining allowance is 0 mm. The method realizes the high-precision milling of the gear surface of the gear shaft, is suitable for the gear milling, can realize the gear shaft processing without a forming milling cutter and a special machine tool compared with a hobbing method and a powder metallurgy method in the prior art, has the characteristics of high processing efficiency, high precision and the like, and widens the processing method of the gear shaft.
In the invention, the processing method also comprises the following steps: and (4) establishing the motion trail of the milling cutter for processing the side sections of the second shaft part and the third shaft part and the motion trail of the cutter for processing the slotted hole according to the three-dimensional gear shaft model established in the step (S2), and importing the milling cutter into a four-shaft processing center according to a motion trail generation program. The machining method also comprises the step of milling the side sections of the second shaft part and the third shaft part by adopting a plane profile and machining the slotted hole.
In the invention, the established motion track of the cutter (milling cutter) can be automatically generated by software, can also be obtained by self calculation, can also be obtained by utilizing the existing algorithm design, and can be obtained by comprehensively utilizing the method for calculation and optimization.
The machining method of the gear shaft part is to perform the milling machining method on a general four-axis numerical control machining center. A gear shaft model is established, and a milling cutter motion track is designed according to the gear shaft model. The gear shaft can be machined without a formed milling cutter and a special machine tool, has the characteristics of high machining efficiency, high precision and the like, and widens the machining method of the gear shaft.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a gear shaft part, its characterized in that is the ladder hollow shaft form, first axial region (1) that has the external diameter from little to big and connect gradually, second axial region (2) and third axial region (3), first axial region (1) has gear (11) outward, the side of second axial region (2) and third axial region (3) is equipped with section (4), and form D shape axle construction, section (4) of second axial region (2) and third axial region (3) are on a plane, and be equipped with a slotted hole (5) on section (4) of second axial region (2), be equipped with four screw hole (31) on the terminal surface of third axial region (3).
2. A method of machining a gear shaft part, for machining a gear shaft part according to claim 1, using a four-axis machining center, comprising the steps of:
s1: processing the blank into a stepped cylindrical structure according to the parameters of the gear shaft, and drilling a drill hole matched with the threaded hole on the end face of the tail end of the third shaft part to manufacture a blank;
s2: establishing a three-dimensional model of the gear shaft by utilizing modeling software according to the parameters of the gear shaft;
s3: according to the gear shaft three-dimensional model established in the step S2, establishing a milling cutter motion track for gear rough machining;
s4: according to the gear shaft three-dimensional model established in the step S2, establishing a milling cutter motion track for gear finish machining;
s5: generating a program according to the movement track of the milling cutter for rough machining of the gear and the movement track of the milling cutter for finish machining of the gear;
s6: importing the program generated in the step S6 into a four-axis machining center, and machining the blank gear through rough machining and fine machining of the gear in sequence; the rough machining process of the gear adopts cavity milling, and the finish machining process of the gear adopts depth profile milling.
3. The method of claim 2, wherein the blank is formed by a four-axis machining center or by a general machine tool in step S1.
4. The method for manufacturing a gear shaft component according to claim 2, wherein in step S1, a three-jaw jig is used to clamp the outer circle of the third shaft portion, and four holes are drilled through the center drill point, and then a drill is used to drill the holes and tap the holes.
5. The method for machining a gear shaft part according to claim 2, wherein in step S2, Unigraphics NX software is used as modeling software.
6. The method for manufacturing a gear shaft part according to claim 2, wherein in the step S2, the gear parameters of the gear shaft parameters are as follows: the number of teeth is 48, the modulus is 1, the pressure angle is 20 °, the diameter of the addendum circle is 50mm, the diameter of the reference circle is 48mm, and the diameter of the dedendum circle is 45.5 mm.
7. The method for machining a gear shaft part according to claim 2, wherein in the step S6, in the rough machining process of the gear, a milling rough machining process is performed by a cavity milling method by using a milling cutter with a diameter of 0.5mm, and the machining allowance is 0.1 mm; in the gear finish machining process, finish machining is carried out by a milling cutter with the diameter of 0.1mm through a depth profile milling method, and the machining allowance is 0 mm.
8. The method of claim 2, wherein the gear roughing and the gear finishing are performed to form the gear by excavating tooth grooves one by one in step S6.
9. The machining method of a gear shaft part according to claim 2, characterized by further comprising the steps of: and (4) establishing the motion trail of the milling cutter for processing the side sections of the second shaft part and the third shaft part and the motion trail of the cutter for processing the slotted hole according to the three-dimensional gear shaft model established in the step (S2), and importing the milling cutter into a four-shaft processing center according to a motion trail generation program.
10. The method of claim 2, further comprising the step of machining the side sections of the second and third shaft portions and the slotted hole by using a flat profile mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010479916.5A CN111637144B (en) | 2020-05-30 | 2020-05-30 | Gear shaft part and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010479916.5A CN111637144B (en) | 2020-05-30 | 2020-05-30 | Gear shaft part and processing method thereof |
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| Publication Number | Publication Date |
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| CN111637144A true CN111637144A (en) | 2020-09-08 |
| CN111637144B CN111637144B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010479916.5A Active CN111637144B (en) | 2020-05-30 | 2020-05-30 | Gear shaft part and processing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732637A (en) * | 2021-09-26 | 2021-12-03 | 中信重工机械股份有限公司 | Large-diameter split type thin-wall gear ring machining method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5433672A (en) * | 1991-08-13 | 1995-07-18 | Sumitomo Heavy Industries, Ltd. | Inscribed meshing planetary gear construction |
| EP2443921A2 (en) * | 2010-10-21 | 2012-04-25 | Shimano, Inc. | Method of deriving path of contact on face gear, method of manufacturing face gear, face gear and spinning reel rotor drive device |
| CN205806392U (en) * | 2016-05-17 | 2016-12-14 | 苏州威富达精密机械制造有限公司 | A kind of gear spline connecting shaft |
| CN205991086U (en) * | 2016-08-31 | 2017-03-01 | 三一重型能源装备有限公司 | Torsion shaft and dual gear structure and booster engine |
| CN206368956U (en) * | 2016-12-20 | 2017-08-01 | 深圳东明机电股份有限公司 | For the gear assembly in gear-box |
| CN212643292U (en) * | 2020-05-30 | 2021-03-02 | 上海建桥学院 | Gear shaft part |
-
2020
- 2020-05-30 CN CN202010479916.5A patent/CN111637144B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5433672A (en) * | 1991-08-13 | 1995-07-18 | Sumitomo Heavy Industries, Ltd. | Inscribed meshing planetary gear construction |
| EP2443921A2 (en) * | 2010-10-21 | 2012-04-25 | Shimano, Inc. | Method of deriving path of contact on face gear, method of manufacturing face gear, face gear and spinning reel rotor drive device |
| CN205806392U (en) * | 2016-05-17 | 2016-12-14 | 苏州威富达精密机械制造有限公司 | A kind of gear spline connecting shaft |
| CN205991086U (en) * | 2016-08-31 | 2017-03-01 | 三一重型能源装备有限公司 | Torsion shaft and dual gear structure and booster engine |
| CN206368956U (en) * | 2016-12-20 | 2017-08-01 | 深圳东明机电股份有限公司 | For the gear assembly in gear-box |
| CN212643292U (en) * | 2020-05-30 | 2021-03-02 | 上海建桥学院 | Gear shaft part |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732637A (en) * | 2021-09-26 | 2021-12-03 | 中信重工机械股份有限公司 | Large-diameter split type thin-wall gear ring machining method |
| CN113732637B (en) * | 2021-09-26 | 2022-04-26 | 中信重工机械股份有限公司 | Large-diameter split type thin-wall gear ring machining method |
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| Publication number | Publication date |
|---|---|
| CN111637144B (en) | 2024-02-27 |
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