CN107097168A - A kind of establishing method of assembly tool torsion definite value - Google Patents
A kind of establishing method of assembly tool torsion definite value Download PDFInfo
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- CN107097168A CN107097168A CN201710197262.5A CN201710197262A CN107097168A CN 107097168 A CN107097168 A CN 107097168A CN 201710197262 A CN201710197262 A CN 201710197262A CN 107097168 A CN107097168 A CN 107097168A
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- China
- Prior art keywords
- torsion
- value
- assembly tool
- definite value
- establishing method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of establishing method of assembly tool torsion definite value, including：The maximum process value Tmax and minimum process value Tmin of its torsion when being assembled are determined according to product；The maximum process value Tmax and minimum process value Tmin are substituted into formula T=K* △ t+Tmin, result of calculation N is obtained；According to result of calculation, the assembly tool is set by torque value of N, product is assembled using the assembly tool, then product torsion is measured, recorded, after standing, carry out double measurement, record, if there is deviation, then torque value is finely adjusted, and repeated the above steps, untill measurement is in the range of process value twice for satisfaction；After torque value checking rationally, the torsion definite value of the assembly tool is set it to.This method is calculated by weighted connections, realizes the reasonable set of parameter, has been prevented the not enough or excessive generation of torsion in assembling process, has been met manufacturing growth requirement.
Description
Technical field
The present invention relates to mounting technology field, particularly enter for the torsion definite value to assembly tools such as torsion definite value spanners
The method of row setting.
Background technology
With the development of society, the application of the assembly tool such as torsion definite value spanner is more and more extensive, in application process, by
The characteristic decayed in itself in fastener torsion, often causes the generation of product defects, how to set rational torsion definite value, really
Protect turns into the direction that enterprise technology personnel study still in the range of process value after torsion decay.
Technical scheme of the prior art is empirical method, i.e., torque spanner definite value is set by working experience.By
It is different in the experience of different operating personnel, the setting to torque spanner can be caused also different, it is impossible to effectively instruct work to carry out, and
And because establishing method is random strong, lack effective scientific management, in process of production, torsion relaxation phenomenon frequency of occurrence compared with
Height, causes product function to be lost, so that the row of causing storehouse, reprocess, or even the risk that vehicle is recalled.
Therefore, the torsion definite value of the assembly tools such as torsion definite value spanner how is more scientifically set, is art technology
Personnel's technical issues that need to address.
The content of the invention
It is an object of the invention to provide a kind of establishing method of assembly tool torsion definite value.This method passes through weighted connections meter
Calculate, realize the reasonable set of parameter, prevented the not enough or excessive generation of torsion in assembling process, meeting manufacturing development needs
Ask.
To achieve the above object, the present invention provides a kind of establishing method of assembly tool torsion definite value, including：
The maximum process value Tmax and minimum process value Tmin of its required torsion when being assembled are determined according to product；
The maximum process value Tmax and minimum process value Tmin are substituted into formula T=K* △ t+Tmin, obtains and calculates knot
T in fruit N, the formula is torsion definite value, and △ t are the maximum process value Tmax and minimum process value Tmin difference, and K is to add
Weight coefficient；
According to result of calculation, the assembly tool is set by torque value of N, using the assembly tool to product
Assembled, then product torsion is measured, recorded, after standing, carried out double measurement, record, check torsion
Attenuation, if measurement torsion is in the range of process value for the first time, and second of measurement torsion is still in the range of process value,
Then the torque value chooses reasonable, if there is deviation, then torque value is finely adjusted, and repeats the above steps, until meeting two
Untill secondary measurement is in the range of the process value；
After torque value checking rationally, the torsion definite value of the assembly tool is set it to.
Preferably, further comprise to result of calculation N round numbers, be torque value to the assembly tool using the integer taken
Set.
Preferably, when to result of calculation N round numbers, if N is integer, direct round numbers is N, if N is non-whole
Number, then it is integer to take its integer part plus one.
Preferably, when being finely adjusted to torque value, it adjusts unit between 0.05N.M~0.2N.M.
Preferably, when being finely adjusted to torque value, using 0.1N.M as adjustment unit.
Preferably, the time stood to product is at least 24 hours.
Preferably, the span of the weight coefficient K is between 0.5~0.7.
Preferably, the value of the weight coefficient K is 0.618.
Preferably, it is additionally included in after setting torsion definite value, carries out daily monitoring.
Preferably, the assembly tool is torsion definite value spanner.
Establishing method provided by the present invention is by introducing weighted formula, by the setting of torque spanner definite value by original warp
The method of testing upgrades to computing method of formula, and the torsion of assembly tool can be fast and accurately set with subsequent authentication, fine setting by calculating
Definite value so that the setting of torsion definite value, more science, effectively, while at utmost reduce human factor influence, prevented dress
The not enough or excessive generation of torsion during matching somebody with somebody, can the row of substantially reducing storehouse, reprocess, or even vehicle is the problems such as recall, and more conforms to
Manufacturing growth requirement.Be that parameter setting, adjustment give guidance in addition, the weighted connections in method, make parameter setting,
Adjustment has mark to follow.
Brief description of the drawings
Fig. 1 is the schematic diagram of establishing method provided by the present invention；
Fig. 2 is a kind of process chart of the establishing method of assembly tool torsion definite value provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Fig. 1 is refer to, Fig. 1 is the schematic diagram of establishing method provided by the present invention.
As illustrated, establishing method provided by the present invention mainly includes four parts：Part I is founding mathematical models,
Build relational expression；Part II is that data are calculated and value；Part III is data verification and adjustment；Part IV is fixed for torsion
The final determination and daily monitoring of value.
Fig. 2 is refer to, Fig. 2 is a kind of technique of the establishing method of assembly tool torsion definite value provided in an embodiment of the present invention
Flow chart.
Specifically, the torsion definite value establishing method that the present embodiment is provided, being applicable to torsion definite value spanner etc. can set
Determine the assembly tool of torsion definite value, be particularly applicable to each assembling link of automobile production, it specifically includes following steps：
Step S1：Characteristic requirements in product drawing, determine the maximum technique of its required torsion when being assembled
Value Tmax and minimum process value Tmin (units：N.M).
Step S2：The maximum process value Tmax and minimum process value Tmin are substituted into formula T=K* △ t+Tmin (this pass
It is that formula passes through the knowledge architectures such as statistics, the mechanics of materials, golden section proportion and normal distribution), obtain result of calculation N, formula
In T be torsion definite value (unit：N.M), △ t are the maximum process value Tmax and minimum process value Tmin difference, and K is weighting
Coefficient, weight coefficient K span is between 0.5~0.7, and value is 0.618 here.
Then, to result of calculation N round numbers, if N is integer, direct round numbers is N, if N is non-integer, is taken
It is integer that its integer part, which adds one,.For example, if result of calculation is 10.3N.M, institute's round numbers is 11N.M, if result of calculation is
10.9N.M, then institute's round numbers is also 11N.M, and the not round numbers by the way of rounding up is unnecessary micro- to avoid the occurrence of
Adjust.
Step S3：Torsion definite value spanner is set as torque value using the integer taken, using torsion definite value spanner pair
Product is assembled, and then product torsion is measured, recorded, after standing, is carried out double measurement, record, is checked
Torsion attenuation, if measurement torsion is in the range of process value for the first time, and second of measurement torsion is still in process value model
In enclosing, then prove that the torque value chooses reasonable, if there is deviation, then torque value is finely adjusted, and repeat the above steps, directly
Untill meeting and measuring twice in the range of process value.
Explanation is needed exist for, when being finely adjusted to torque value, if adjustment unit is excessive, setting torsion can be influenceed to determine
The accuracy of value, if adjustment unit is too small, generally requires to carry out more frequently adjustment and just can determine that final rational torsion definite value,
Set excessive cycle, it is less efficient, consider factors above, will adjustment unit be set between 0.05N.M~0.2N.M compared with
To be suitable, torque value is finely adjusted by adjustment unit of 0.1N.M in the present embodiment.
In addition, the time stood to product at least should be 24 hours, so as to make product have after mounting abundance when
Between carry out torsion decay, it is ensured that measurement, record data be more nearly actual conditions, for torque value fine setting provides more truly,
Effective foundation, it is ensured that the torsion definite value finally set is scientific and reasonable.
Step S4：After torque value checking rationally, the torsion definite value of torsion definite value spanner is set it to, is determined in setting torsion
After value, professional is arranged to carry out daily monitoring.
The use of this method, standard is output as with finished product torsion, and based on process value interval range, is counted by weighting
Calculate, set the torsion definite value of assembly tool and adjust, optimize, it is to avoid because the influence of fading product function of torque value is not enough, so that
The row of avoiding reprocesses in storehouse, or even the risk that vehicle is recalled.
Above-described embodiment is only the preferred scheme of the present invention, is specifically not limited thereto, on this basis can be according to reality
Need to make with targetedly adjusting, so as to obtain different embodiments.For example, in addition to torsion definite value spanner, this
Method applies also for other similar tools, etc..Because mode in the cards is more, just no longer illustrate one by one here
Explanation.
The establishing method of assembly tool torsion definite value provided by the present invention is described in detail above.Herein should
The principle and embodiment of the present invention are set forth with specific case, the explanation of above example is only intended to help and managed
Solve the core concept of the present invention.It should be pointed out that for those skilled in the art, not departing from original of the invention
On the premise of reason, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into right of the present invention and wanted
In the protection domain asked.
Claims (10)
1. a kind of establishing method of assembly tool torsion definite value, including：
The maximum process value Tmax and minimum process value Tmin of its torsion when being assembled are determined according to product；
The maximum process value Tmax and minimum process value Tmin are substituted into formula T=K* △ t+Tmin, result of calculation N is obtained,
T in the formula is torsion definite value, and △ t are the maximum process value Tmax and minimum process value Tmin difference, and K is for weighting
Number；
According to result of calculation, the assembly tool is set by torque value of N, product carried out using the assembly tool
Assembling, then measures to product torsion, records, after standing, carries out double measurement, record, checks that torsion is decayed
Situation, if measurement torsion is in the range of process value for the first time, and second of measurement torsion then should still in the range of process value
Torque value chooses reasonable, if there is deviation, then torque value is finely adjusted, and repeats the above steps, and is surveyed twice until meeting
Untill amount is in the range of the process value；
After torque value checking rationally, the torsion definite value of the assembly tool is set it to.
2. the establishing method of assembly tool torsion definite value according to claim 1, it is characterised in that further comprise to meter
Result N round numbers is calculated, the assembly tool is set as torque value using the integer taken.
3. the establishing method of assembly tool torsion definite value according to claim 2, it is characterised in that to result of calculation N
During round numbers, if N is integer, direct round numbers is N, if N is non-integer, and it is integer to take its integer part plus one.
4. the establishing method of assembly tool torsion definite value according to claim 1, it is characterised in that carried out to torque value
During fine setting, it adjusts unit between 0.05N.M~0.2N.M.
5. the establishing method of assembly tool torsion definite value according to claim 4, it is characterised in that carried out to torque value
During fine setting, using 0.1N.M as adjustment unit.
6. the establishing method of assembly tool torsion definite value according to claim 1, it is characterised in that stood to product
Time be at least 24 hours.
7. the establishing method of assembly tool torsion definite value according to claim 1, it is characterised in that the weight coefficient K
Span between 0.5~0.7.
8. the establishing method of assembly tool torsion definite value according to claim 7, it is characterised in that the weight coefficient K
Value be 0.618.
9. the establishing method of the assembly tool torsion definite value according to any one of claim 1 to 8, it is characterised in that also wrap
Include after setting torsion definite value, carry out daily monitoring.
10. the establishing method of assembly tool torsion definite value according to claim 9, it is characterised in that the assembly tool
For torsion definite value spanner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710197262.5A CN107097168B (en) | 2017-03-29 | 2017-03-29 | A kind of setting method of assembly tool torsion definite value |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197262.5A CN107097168B (en) | 2017-03-29 | 2017-03-29 | A kind of setting method of assembly tool torsion definite value |
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| Publication Number | Publication Date |
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| CN107097168A true CN107097168A (en) | 2017-08-29 |
| CN107097168B CN107097168B (en) | 2019-03-22 |
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| CN102485435A (en) * | 2010-12-01 | 2012-06-06 | 财团法人工业技术研究院 | Digital torque tool correction method, verification method and correction system |
| CN203779401U (en) * | 2014-02-21 | 2014-08-20 | 优钢机械股份有限公司 | Torque wrench capable of quickly adjusting torque force |
| DE102014106269A1 (en) * | 2013-05-20 | 2014-11-20 | Kabo Tool Company | A torque wrench equipped with an adjustment function and its adjustment procedure |
| CN204366851U (en) * | 2014-10-15 | 2015-06-03 | 铠镁企业有限公司 | Dynamic torque tool measurement mechanism |
| CN205835149U (en) * | 2016-04-27 | 2016-12-28 | 厦门南旗佰特精密工具制造有限公司 | Electric precise screwdriver |
| JP2017019037A (en) * | 2015-07-09 | 2017-01-26 | 三洋機工株式会社 | Angle wrench |
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2017
- 2017-03-29 CN CN201710197262.5A patent/CN107097168B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567754B1 (en) * | 2001-03-12 | 2003-05-20 | C.E. Electronics, Inc. | Qualifier |
| CN101306524A (en) * | 2007-05-15 | 2008-11-19 | 谢智庆 | Wrench display setting device |
| CN201082530Y (en) * | 2007-08-06 | 2008-07-09 | 腾达工具工业有限公司 | Torque force determining device for tool |
| CN101417413A (en) * | 2007-10-22 | 2009-04-29 | 谢智庆 | Torsion setting structure of wrench |
| CN101797736A (en) * | 2009-02-06 | 2010-08-11 | 谢智庆 | Wrench and torque angle alarm method thereof |
| CN102485435A (en) * | 2010-12-01 | 2012-06-06 | 财团法人工业技术研究院 | Digital torque tool correction method, verification method and correction system |
| DE102014106269A1 (en) * | 2013-05-20 | 2014-11-20 | Kabo Tool Company | A torque wrench equipped with an adjustment function and its adjustment procedure |
| CN203779401U (en) * | 2014-02-21 | 2014-08-20 | 优钢机械股份有限公司 | Torque wrench capable of quickly adjusting torque force |
| CN204366851U (en) * | 2014-10-15 | 2015-06-03 | 铠镁企业有限公司 | Dynamic torque tool measurement mechanism |
| JP2017019037A (en) * | 2015-07-09 | 2017-01-26 | 三洋機工株式会社 | Angle wrench |
| CN205835149U (en) * | 2016-04-27 | 2016-12-28 | 厦门南旗佰特精密工具制造有限公司 | Electric precise screwdriver |
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| Publication number | Publication date |
|---|---|
| CN107097168B (en) | 2019-03-22 |
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