CN111767617A - Main bearing pre-tightening amount matching method and system for RV reducer and storage medium - Google Patents
Main bearing pre-tightening amount matching method and system for RV reducer and storage medium Download PDFInfo
- Publication number
- CN111767617A CN111767617A CN202010595677.XA CN202010595677A CN111767617A CN 111767617 A CN111767617 A CN 111767617A CN 202010595677 A CN202010595677 A CN 202010595677A CN 111767617 A CN111767617 A CN 111767617A
- Authority
- CN
- China
- Prior art keywords
- main bearing
- outer ring
- planet carrier
- reducer
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
-
- 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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
-
- 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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H2057/085—Bearings for orbital gears
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a matching method, a matching system and a storage medium for the pretightening amount of a main bearing of an RV reducer, wherein the matching method comprises the following steps of S1: numbering each processed planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball; s2: corresponding to the parameter data under each serial number and storing the parameter data to form a database; s3: and based on the obtained database, respectively selecting a planet carrier, a pin gear shell and a main bearing outer ring number, and screening out the required number of the other main bearing outer ring through the target pretension G needing to be paired. Compared with the prior art, the invention can effectively solve the problem of pre-tightening amount required by the main bearing which is prepared by combining and selecting the outer ring of the main bearing, the planet carrier and the pin gear shell in the mass production and assembly process of the speed reducer through the establishment of the part database and the error analysis of G' -G; the model selection and assembly process of parts can be realized fully automatically through the selection and matching system, and the full-automatic production of the RV reducer is facilitated.
Description
Technical Field
The invention relates to the field of RV speed reducers, in particular to a method and a system for matching pre-tightening amounts of main bearings of the RV speed reducers and a storage medium.
Background
The RV reducer is one of the core components of an industrial robot, and is an important guarantee for realizing the industrial robot with high precision. In order to ensure the rotation precision of the RV reducer, the RV parts need to be matched and selected. The RV speed reducer is composed of a worm and a worm wheel, the structure is complex, and the RV speed reducer is composed of a plurality of parts. In the prior art, manual measurement errors are basically adopted for random matching in the production process of the RV reducer, and the problems of low matching efficiency and low matching success rate exist.
At present, manual matching is adopted in the matching process of RV speed reducers. The manual matching has the problems of low matching speed, low efficiency, larger randomness of the manual matching process and no global consideration in the manual matching process. Therefore, the matching of the RV reducer in the prior art has the problem of low matching efficiency. The method is particularly characterized in that the problem of matching of the pre-tightening amount of the main bearing of the RV reducer is solved, particularly, how to combine and select the outer ring of the main bearing, the planet carrier and the pin gear shell to match the main bearing in the batch production and assembly process of the RV reducer, and the requirement of the combined pre-tightening amount is met.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method, a system and a storage medium for matching the pretightening amount of the main bearing of the RV reducer.
The purpose of the invention can be realized by the following technical scheme:
in a first aspect, the invention provides a method for matching the pretightening amount of a main bearing of an RV reducer, which comprises the following steps:
s1: numbering each processed planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball;
s2: corresponding to the parameter data of the planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball under each serial number and storing the parameter data to form a database;
s3: and based on the obtained database, respectively selecting a planet carrier, a pin gear shell and a main bearing outer ring number, and screening out the required number of the other main bearing outer ring through the target pretension G needing to be paired.
Further, in S2, a planet carrier database, a pin gear case database, a main bearing outer ring, and a bearing steel ball database are obtained, respectively.
Further the planet carrier database includes the following data corresponding to different numbered planet carriers: the groove center distance L, the long carrier groove curvature radius ri1, the short carrier groove curvature radius ri2, the long carrier groove diameter di1, and the short carrier groove diameter di 2.
Further, the needle tooth shell database comprises shell step widths H of different numbered needle tooth shells.
Further, the main bearing outer ring database comprises the following data corresponding to main bearing outer rings with different numbers: outer ring groove curvature radius re1, outer ring groove ae1 and outer ring groove diameter de 1.
Further, the bearing steel ball database comprises steel ball diameters dw corresponding to different numbered bearing steel balls.
Further, an error threshold Δ G is preset before S3;
s3, combining the main bearing outer rings with different numbers in the main bearing outer ring database with the preselected groove center distance L, the curvature radius ri1 of the long planet carrier groove, the curvature radius ri2 of the short planet carrier groove, the groove radius di1 of the long planet carrier, the groove radius di2 of the short planet carrier, the width H of the shell step, the curvature radius re1 of the outer ring groove, the groove position ae1 of the outer ring and the groove radius de1 of the outer ring one by one, calculating whether G '-G is smaller than Delta G, screening the main bearing outer ring data in the main bearing outer ring database one by one, selecting the main bearing outer ring number with the minimum corresponding value of G' -G,
further, the actual G' is calculated by the following formula:
in a second aspect, the invention provides a system for matching the pre-tightening amount of a main bearing of an RV reducer, which comprises a part storage mechanism, a data storage mechanism, a human-computer interaction display interface, a matching calculation mechanism and an assembly execution mechanism, wherein specifically:
the part storage mechanism stores the planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball according to the serial numbers;
the data storage mechanism stores parameter data and storage position information of the planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball;
the human-computer interaction display interface is electrically connected with the data storage mechanism, and a user inputs parameters of a preselected planet carrier, a preselected pin gear shell, a preselected main bearing outer ring and a preselected bearing steel ball through the human-computer interaction display interface and transmits the data to the matching calculation mechanism;
the matching calculation mechanism is electrically connected with the data storage mechanism and the human-computer interaction display interface, and the number of the outer ring of the other main bearing is selected according to the method for matching the pretightening amount of the main bearing of the RV reducer;
and the assembly executing mechanism assembles the main bearing outer ring corresponding to the serial number of the other main bearing outer ring selected by the matching calculating mechanism, and the pre-selected planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball.
Further, the man-machine interaction display interface is a touch display, a common display and the like.
Further, the matching calculation mechanism is an ARM processor or a conventional PC processor.
Further, the assembly executing mechanism is an industrial robot, and meanwhile part identification, carrying and beneficial effects can be achieved.
In a third aspect, the present invention further provides a storage medium containing computer executable instructions, wherein the computer executable instructions, when executed by a computer processor, are used for executing the main bearing preload matching method of the RV reducer according to the first aspect of the present invention.
Compared with the prior art, when the speed reducer is assembled, the required planet carrier, the pin gear shell and the bearing steel ball can be selected from the generated database according to needs, one outer ring is selected from the outer ring database, the structural parameters of the outer ring are obtained, the main bearing pre-tightening amount to be matched is input, then the matching calculation is carried out, the parameter range of the required other outer ring can be calculated, the screening is carried out in the outer ring database, the required number of the other outer ring can be quickly exposed, and the matching process refers to the images in the figures 2 to 5.
In addition, by the main bearing pre-tightening amount selecting and matching system of the RV reducer, the selection and assembly processes of parts can be automatically realized, and the full-automatic production of the RV reducer is favorably realized.
Drawings
FIG. 1 is a schematic view of an assembled dimensional chain of the present invention.
FIG. 2 is a schematic diagram of a parameter selection list box of the planet carrier of the present invention.
FIG. 3 is a table frame diagram of the pin gear case parameter selection according to the present invention.
FIG. 4 is a schematic diagram of a list box for selecting outer ring parameters of the 1# main bearing in the present invention.
FIG. 5 is a schematic diagram of a selected list box of the outer ring of the # 2 main bearing after calculating the preload amount according to the present invention.
FIG. 6 is a schematic diagram of a parameter selection list box of the planet carrier according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a parameter selection list box of the pin gear housing according to an embodiment of the invention.
FIG. 8 is a schematic diagram of a list box for selecting the outer ring parameters of the 1# main bearing in the embodiment of the invention.
FIG. 9 is a schematic diagram of a selected list box of the 2# main bearing outer ring after calculating the preload amount according to an embodiment of the invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Example 1
Firstly, numbering each processed planet carrier, a pin gear shell, a main bearing outer ring and a bearing steel ball, and storing parameter data of the planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball corresponding to each number to form a database; and obtaining a planet carrier database, a pin gear shell database, a main bearing outer ring and a bearing steel ball database.
The planet carrier database comprises the following data corresponding to planet carriers with different numbers: a groove center distance L, a long planet carrier groove curvature radius ri1, a short planet carrier groove curvature radius ri2, a long planet carrier groove diameter di1 and a short planet carrier groove diameter di 2; the pin gear shell database comprises shell step widths H of pin gear shells with different numbers; the main bearing outer ring database comprises the following data corresponding to main bearing outer rings with different numbers: the curvature radius re1 of the outer ring groove, the groove position ae1 of the outer ring and the groove diameter de1 of the outer ring; the bearing steel ball database comprises steel ball diameters dw corresponding to different numbered bearing steel balls.
And based on the obtained database, respectively selecting a planet carrier, a pin gear shell and a main bearing outer ring number, and screening out the required number of the other main bearing outer ring through the target pretension G needing to be paired.
Presetting an error threshold value delta G, combining the main bearing outer rings with different numbers in a main bearing outer ring database one by one with a preselected groove center distance L, a long planet carrier groove curvature radius ri1, a short planet carrier groove curvature radius ri2, a long planet carrier groove diameter di1, a short planet carrier groove diameter di2, a shell step width H, an outer ring groove curvature radius re1, an outer ring groove position ae1 and an outer ring groove diameter de1, calculating whether G '-G is smaller than delta G or not, screening the main bearing outer ring data in the main bearing outer ring database one by one, and selecting the main bearing outer ring number with the minimum corresponding value of G' -G. And if the data smaller than the Delta G are not obtained through calculation, the model of the main bearing outer ring meeting the assembly requirement is not contained in the database.
The dimension chain is assembled as in FIG. 1, where f (re1, ae1, de1, dw) is a function on re1, ae1, de1, dw, f (re2, ae2, de2, dw) is a function on re2, ae2, de2, dw, f (ri1, di1, dw) is a function on ri1, di1, dw, and f (ri2, di2, dw) is a function on ri2, di2, dw.
The actual G' is calculated from the following equation:
in the embodiment, for example, a certain type of speed reducer is paired, according to the assembly requirement of the speed reducer, a 54# planet carrier is selected from a planet carrier database, and a program reads the center distance of a planet carrier groove of 35.742mm, the curvature radius of a long planet carrier groove of 4.931mm, the curvature radius of a short planet carrier groove of 4.934mm, the groove diameter of the long planet carrier of 119.431mm and the groove diameter of the short planet carrier of 119.430 mm; selecting a 21# pin gear shell from a pin gear shell database, and reading the step width 20.481mm of the pin gear shell by a program; selecting a No. 153 outer ring from an outer ring database, and reading the curvature radius 4.980mm, the groove position 7.890mm and the groove diameter 138.668mm of the outer ring by a program; after the target pre-tightening amount is input to be 0.015mm, the outer ring number 91#, the outer ring groove curvature radius 4.978mm, the outer ring groove position 7.894mm and the outer ring groove diameter 138.672mm which are in accordance with the conditions are output through iterative calculation, and the actual pre-tightening amount after each part is selected is shown in the matching process from fig. 6 to fig. 9.
The embodiments described above are described to facilitate an 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. A method for matching the pre-tightening amount of a main bearing of an RV reducer is characterized by comprising the following steps:
s1: numbering each processed planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball;
s2: corresponding to the parameter data of the planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball under each serial number and storing the parameter data to form a database;
s3: and based on the obtained database, respectively selecting a planet carrier, a pin gear shell and a main bearing outer ring number, and screening out the required number of the other main bearing outer ring through the target pretension G needing to be paired.
2. The method for matching the pre-tightening amount of the main bearing of the RV reducer as claimed in claim 1, wherein a planet carrier database, a pin gear shell database, a main bearing outer ring and a bearing steel ball database are respectively obtained in S2.
3. The method for matching the pre-tightening amount of the main bearing of the RV reducer as claimed in claim 2, wherein the planet carrier database comprises the following data corresponding to planet carriers with different numbers: the groove center distance L, the long carrier groove curvature radius ri1, the short carrier groove curvature radius ri2, the long carrier groove diameter di1, and the short carrier groove diameter di 2.
4. The method for matching the pre-tightening amount of the main bearing of the RV reducer as claimed in claim 3, wherein the pin gear shell database comprises shell step widths H of pin gear shells with different numbers.
5. The method for matching the pre-tightening amount of the main bearing of the RV reducer as claimed in claim 4, wherein the database of the main bearing outer ring comprises the following data corresponding to the main bearing outer rings with different numbers: outer ring groove curvature radius re1, outer ring groove ae1 and outer ring groove diameter de 1.
6. The method for matching the pre-tightening amount of the main bearing of the RV reducer as claimed in claim 5, wherein the bearing steel ball database comprises the steel ball diameters dw corresponding to different numbers of bearing steel balls.
7. The method for selecting the pre-tightening amount of the main bearing of the RV reducer as claimed in claim 6, wherein an error threshold value Δ G is preset before S3;
in S3, the main bearing outer rings with different numbers in the main bearing outer ring database are combined with the preselected groove center distance L, the curvature radius ri1 of the long planet carrier groove, the curvature radius ri2 of the short planet carrier groove, the groove radius di1 of the long planet carrier, the groove radius di2 of the short planet carrier, the width H of a shell step, the curvature radius re1 of the outer ring groove, the groove position ae1 of the outer ring and the groove radius de1 of the outer ring one by one to calculate the actual G ', then whether G ' -G is smaller than Delta G is calculated, main bearing outer ring data in the main bearing outer ring database are screened one by one, and the main bearing outer ring number with the minimum corresponding value of G ' -G is selected.
8. The method for matching the pre-tightening amount of the main bearing of the RV reducer as claimed in claim 7, wherein the actual G' is calculated by the following formula:
9. the utility model provides a RV speed reducer owner bearing pretension volume apolegamy system which characterized in that includes:
the part storage mechanism stores the planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball according to the serial numbers;
the data storage mechanism is used for storing parameter data and storage position information of the planet carrier, the pin gear shell, the main bearing outer ring and the bearing steel ball;
the human-computer interaction display interface is electrically connected with the data storage mechanism;
the matching calculation mechanism is electrically connected with the data storage mechanism and the human-computer interaction display interface, and selects another main bearing outer ring number according to the method for matching the pretightening amount of the main bearing of the RV reducer in any one of claims 1-8;
and assembling an actuating mechanism, namely assembling the main bearing outer ring corresponding to the serial number of the other main bearing outer ring selected by the matching calculation mechanism, and assembling the preselected planet carrier, the needle tooth shell, the main bearing outer ring and the bearing steel ball together.
10. A storage medium containing computer executable instructions for performing the method for matching the preload amount of the main bearing of the RV reducer according to any one of claims 1 to 8 when executed by a computer processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595677.XA CN111767617B (en) | 2020-06-28 | 2020-06-28 | Main bearing pre-tightening amount matching method and system for RV reducer and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010595677.XA CN111767617B (en) | 2020-06-28 | 2020-06-28 | Main bearing pre-tightening amount matching method and system for RV reducer and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111767617A true CN111767617A (en) | 2020-10-13 |
| CN111767617B CN111767617B (en) | 2022-10-25 |
Family
ID=72722209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010595677.XA Active CN111767617B (en) | 2020-06-28 | 2020-06-28 | Main bearing pre-tightening amount matching method and system for RV reducer and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111767617B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112329162A (en) * | 2020-10-19 | 2021-02-05 | 珠海飞马传动机械有限公司 | Technical method for adapting and matching precision component |
| CN112347581A (en) * | 2020-11-06 | 2021-02-09 | 上海羿弓精密科技有限公司 | Matching method and matching system for RV reducer ceramic ball main bearing and storage medium |
| CN112343998A (en) * | 2020-11-06 | 2021-02-09 | 上海羿弓精密科技有限公司 | RV reducer conical bearing assembly pre-tightening amount matching method and system and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106342285B (en) * | 2005-01-11 | 2010-06-23 | 洛阳轴研科技股份有限公司 | The matching method of INS Platform special bearing |
| CN105952779A (en) * | 2016-04-27 | 2016-09-21 | 浙江大学 | RV reducer spindle fixed-pressure pre-tightening structure and method |
| CN106326570A (en) * | 2016-08-27 | 2017-01-11 | 河南科技大学 | Method and device for determining optimal pretension quantity of sphere and cone mixed double-line hub bearing |
| CN107340091A (en) * | 2016-11-30 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Bearing assembly pretightening power computational methods and pretightning force detection device |
| DE102017110078A1 (en) * | 2016-06-14 | 2017-12-14 | Schaeffler Technologies AG & Co. KG | Bearing inner ring, washer, preload plate, taper / cylindrical roller bearing and bearing / shaft arrangement |
-
2020
- 2020-06-28 CN CN202010595677.XA patent/CN111767617B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106342285B (en) * | 2005-01-11 | 2010-06-23 | 洛阳轴研科技股份有限公司 | The matching method of INS Platform special bearing |
| CN105952779A (en) * | 2016-04-27 | 2016-09-21 | 浙江大学 | RV reducer spindle fixed-pressure pre-tightening structure and method |
| DE102017110078A1 (en) * | 2016-06-14 | 2017-12-14 | Schaeffler Technologies AG & Co. KG | Bearing inner ring, washer, preload plate, taper / cylindrical roller bearing and bearing / shaft arrangement |
| CN106326570A (en) * | 2016-08-27 | 2017-01-11 | 河南科技大学 | Method and device for determining optimal pretension quantity of sphere and cone mixed double-line hub bearing |
| CN107340091A (en) * | 2016-11-30 | 2017-11-10 | 安徽江淮汽车集团股份有限公司 | Bearing assembly pretightening power computational methods and pretightning force detection device |
Non-Patent Citations (3)
| Title |
|---|
| 周旭等: "轮毂轴承游隙设计方法研究", 《轴承》 * |
| 徐永路等: "变速箱差速器&中间轴轴承垫片测选技术及设备研究", 《内燃机与配件》 * |
| 盛明杰等: "基于ADORE的陀螺电机主轴承优化设计", 《轴承》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112329162A (en) * | 2020-10-19 | 2021-02-05 | 珠海飞马传动机械有限公司 | Technical method for adapting and matching precision component |
| CN112347581A (en) * | 2020-11-06 | 2021-02-09 | 上海羿弓精密科技有限公司 | Matching method and matching system for RV reducer ceramic ball main bearing and storage medium |
| CN112343998A (en) * | 2020-11-06 | 2021-02-09 | 上海羿弓精密科技有限公司 | RV reducer conical bearing assembly pre-tightening amount matching method and system and storage medium |
| CN112347581B (en) * | 2020-11-06 | 2023-04-07 | 上海羿弓精密科技有限公司 | Matching method and matching system for RV reducer ceramic ball main bearing and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111767617B (en) | 2022-10-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111767617B (en) | Main bearing pre-tightening amount matching method and system for RV reducer and storage medium | |
| EP3430530B1 (en) | Memory reduction method for fixed point matrix multiply | |
| US20150254693A1 (en) | Manufacturing cost estimator | |
| CN104932432B (en) | A kind of known profile of forming cutter calculates the digital helicoid envelope method of helicoid | |
| CN107688716B (en) | Hollow cylindrical roller bearing parameter optimization method based on load distribution and fatigue life | |
| CN112747102B (en) | Simulation calculation method, computer, and storage medium | |
| CN115204036A (en) | Ionized layer foF2 prediction method and device based on CNN-LSTM and storage medium | |
| Li et al. | Design and investigation of a cycloid helical gear drive | |
| Guo et al. | Analytical solution to contact characteristics for a variable hyperbolic circular-arc-tooth-trace cylindrical gear | |
| CN115329815A (en) | Bearing fault diagnosis method and system for optimizing SVM (support vector machine) model parameters through bubble entropy and AOA (automated optical inspection) | |
| Johansson et al. | A system for information management in simulation of manufacturing processes | |
| JP2010165240A (en) | Design support device | |
| Cui et al. | Analysis of coupled thermal–mechanical mechanism based on work hardening phenomenon in high-speed cold roll-beating | |
| Tamasco et al. | Coupled finite element simulation and optimization of single-and multi-stage sheet-forming processes | |
| CN116975517B (en) | Sparse recovery method and system for partial weighted random selection strategy | |
| Van Thoan et al. | Choosing the optimal addendum modification coefficient of external involute spur gear | |
| CN117951837A (en) | Platform construction method based on masta and VS secondary development | |
| CN117574744B (en) | Optimization processing method, device, equipment and medium based on mass spectrometer | |
| Kirichek et al. | Engineering of thread rolling dies of high wear resistance | |
| CN109117597A (en) | A kind of processing key factor stage division based on correspondence analysis | |
| CN114996878A (en) | Wave generator cam design method and device, harmonic reducer and equipment | |
| CN113849922A (en) | Automatic processing method for ball bearing contact stress calculation | |
| CN111553072B (en) | Method and device for determining equipment characteristic curve | |
| Berviller et al. | Technological information concerning the integrated design of “net-shape” forged parts | |
| CN118133447A (en) | Assembling simulation method for spiral bevel gear of speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |