CN105729314B - A kind of shot-blast process selection method of floating support friction plate - Google Patents
A kind of shot-blast process selection method of floating support friction plate Download PDFInfo
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- CN105729314B CN105729314B CN201610221986.4A CN201610221986A CN105729314B CN 105729314 B CN105729314 B CN 105729314B CN 201610221986 A CN201610221986 A CN 201610221986A CN 105729314 B CN105729314 B CN 105729314B
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- shot
- tooth
- friction plate
- floating support
- blast process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/10—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for compacting surfaces, e.g. shot-peening
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of shot-blast process selection method of floating support friction plate, the floating support friction plate is circular ring shape, its medial surface is in tooth-shape structure, be the described method comprises the following steps: step 1, carrying out region division to the tooth-shape structure on the floating support friction plate medial surface；Step 2, implement different shot-blast processes to the tooth-shape structure of different zones；Step 3, resistance to vibration detection is carried out to the tooth-shape structure of different zones on same unit for dynamic strength of friction disk testing stand；Step 4, optimal shot-blast process type is filtered out according to testing result.Technical solution provided by the invention can quickly and accurately determine the best shot-blast process type of floating support friction plate, save a large amount of human and material resources and time.
Description
Technical field
The present invention relates to a kind of shot-blast process selection method, in particular to a kind of shot-blast process of floating support friction plate
Selection method.
Background technique
Floating support friction plate is the Key basic parts for realizing transmission system gear shift and power transmission, has opposite turn
The features such as speed is high, compact-sized, transmitting power is big, is widely used on various automobiles and engineering truck.It was run in vehicle
Impact occurs for the teeth portion of Cheng Zhong, the teeth portion of friction plate and interior hub, and after running a period of time, it is disconnected that friction plate will appear fatigue
It splits, seriously affects the operating status of vehicle.
By the working environment analysis to friction plate it is found that friction plate bottom of the tooth belongs to weak area, bears maximum alternation and answer
Power load.Fracture analysis is it is found that fatigue fracture germinates in bottom of the tooth bottom surface.Effectively improve the resistance to vibration of friction plate, it is necessary to
Start with from improving and reducing friction plate bottom of the tooth weak area load.Advantageous residual compressive stress distribution is introduced by bead, it can
It is loaded bottom of the tooth institute is effectively relieved, increase the closing force of micro-crack, blocks crack propagation, to extend fatigue life.
Since shot peening strengthening is a complicated dynamic crash contact process, it is related to a variety of nonlinear couplings, influences
Factor is numerous, and the selection of shot-blast process type at present can only compare and take time and effort, and not necessarily have by test or experience
Optimal effect.Meanwhile the dynamic strength test after floating support friction plate one integral piece shot peening strengthening is in unit for dynamic strength of friction disk
It is carried out on testing stand, suffered floating support shock loading is random and floating support friction plate difference itself causes to rub
The piece dynamic strength test result coefficient of dispersion is bigger, and comparativity is poor, and data reliability is lower, such as to improve the confidence of data
Degree, needs to carry out the test of high-volume one integral piece, and cost is too high and inefficiency.
Summary of the invention
In order to solve the above-mentioned deficiency in the presence of the prior art, the present invention provides the new floating support friction plate of one kind
Shot-blast process selection method, this method can be quick, the accurate best shot-blast process type for determining floating support friction plate, section
Save a large amount of human and material resources and time.
Present invention provide the technical scheme that a kind of shot-blast process selection method of floating support friction plate, the floating
Support friction plate is circular ring shape, and medial surface is in tooth-shape structure, thes improvement is that: the described method comprises the following steps:
Step 1, region division is carried out to the tooth-shape structure on the floating support friction plate medial surface；
Step 2, implement different shot-blast processes to the tooth-shape structure of different zones；
Step 3, resistance to vibration inspection is carried out to the tooth-shape structure of different zones on same unit for dynamic strength of friction disk testing stand
It surveys；
Step 4, optimal shot-blast process type is filtered out according to testing result.
Preferably, region division is carried out to it by marking different colors to the tooth-shape structure in the step 1,
Different colors represents different regions.
Further, each region is made of several subregions dispersed, and each subregion is by continuous at least four tooth group
At.
Preferably, the tooth in other regions is hidden when carrying out shot-blast process to one of region in the step 2
Gear protection.
Further, the tooth to other regions carries out blocking protection being by the tooth winding insulation black glue to other regions
Cloth carries out blocking protection.
Preferably, after the step 1 further include: be labeled as not applying by the tooth-shape structure in one of region after division
Add the region of shot-blast process.
Preferably, the crack number occurred in the step 4 according to the tooth-shape structure bottom for implementing different shot-blast processes
The quality for determining shot-blast process selects the least shot-blast process of crack number as best shot-blast process.
Preferably, the tooth-shape structure on the floating support friction plate medial surface includes at least 100 teeth.
Compared with the immediate prior art, the present invention has following marked improvement:
The present invention is handled by implementing different shot-blast processes on teeth different on same floating support friction plate, so that same part
There are the teeth of different shot-blast processes on friction plate, since the number of teeth is more on floating support friction plate, so that floating support friction plate
The tooth of upper every kind of shot-blast process can keep biggish sample size, middle compared with the existing technology to use different floating supports
Friction plate is implemented for different shot-blast processes, can be substantially reduced the floating support friction plate quantity for test, quickly have
Effect filters out optimal shot-blast process；It is tried in addition, same floating support friction plate is mounted on same unit for dynamic strength of friction disk
It tests on platform and is detected, the tooth of the different shot-blast processes on floating support friction plate can be made to keep identical operating condition of test.It is identical
Operating condition of test add biggish sample size, significantly increase the comparativity of test data, improve the confidence level of data,
Save a large amount of financial resources, man power and material.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of floating support friction plate provided by the invention,
Fig. 2 is the tooth-shape structure enlarged drawing of floating support friction plate provided by the invention.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
In order to thoroughly understand the embodiment of the present invention, detailed structure will be proposed in following description.Obviously, the present invention is real
The execution for applying example is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is retouched in detail
State it is as follows, however in addition to these detailed description other than, the present invention can also have other embodiments.
The present invention provides a kind of shot-blast process selection method of floating support friction plate, and floating support friction plate is medial surface
In the circular ring shape of multiple tooth structure, structure with interior hub as shown in Figure 1, mainly connect using multiple tooth structure, major part tooth when work
Participate in work.Shot peening strengthening is mainly handled the flank of tooth of floating support friction plate, when shot-peening, needs to rub to floating support
Institute's geared surface of pad carries out shot-peening, and treatment site is as shown in Figure 2.Advantageous residual compressive stress distribution is introduced, can effectively be delayed
It is loaded to solve bottom of the tooth institute, increases the closing force of micro-crack, blocks crack propagation, to extend friction plate fatigue life.
But the selection of shot-blast process type can only compare and take time and effort, and not necessarily have by test or experience
Optimal effect.Meanwhile the dynamic strength test after floating support friction plate entirety shot peening strengthening is in unit for dynamic strength of friction disk
It is carried out on testing stand, suffered floating support shock loading is random and floating support friction plate difference itself causes to rub
The piece dynamic strength test result coefficient of dispersion is bigger, and comparativity is poor, such as to improve the confidence level of data, needs to carry out large quantities of
The one integral piece of amount is tested, and cost is too high and inefficiency.The present invention on the different teeth on same floating support friction plate by implementing
Different shot-blast process processing, so that there are the teeth of different shot-blast processes on same part floating support friction plate.Due to floating support
The number of teeth is more on friction plate, so that the tooth of every kind of shot-blast process can keep biggish sample to hold on floating support friction plate
Amount.When test, floating support friction plate is mounted on unit for dynamic strength of friction disk testing stand and is tested, floating support friction plate
On the teeth of different shot-blast processes keep identical operating condition of test.Identical operating condition of test adds biggish sample size, greatly
The comparativity for increasing test data.Crackle number existing for bottom of the tooth portion on friction plate is counted after test, filters out shot-peening most
Good technology type, to improve the screening efficiency of shot-blast process.
Before test, region division first is carried out to the tooth-shape structure of floating support friction pieces, the tooth of different zones is marked
Different colors or different numbers consider the total number of teeth of friction plate and reduce the influence of adjacent shot-blast process, every 4~5 teeth
Implement a kind of shot-blast process of state, blue tooth is shot-blast process 1, and red tooth is shot-blast process 2, and remaining green tooth is original
The tooth of (the non-bead) of state carries out rotation by this and replaces shot-peening.It, need to be by other teeth when carrying out a kind of shot-blast process every time
It carries out blocking protection, such as other regions can be wound with insulating black adhesive tape and be blocked.
By taking 428 floating support friction plate of diameter as an example, consider that the 428 floating support friction plate number of teeth of diameter is more, Ke Yishi
Two kinds of shot-blast processes are applied, specific implementation step is as follows:
(1) corresponding each bottom of the tooth is successively write into number first.428 floating support friction plate of diameter has 122 teeth altogether,
Specific coding rule is as shown in table 1:
1 friction plate of table number and shot-blast process
(2) implement shot-blast process 1.The tooth for implementing shot-blast process 1 is exposed, by the tooth of reset condition and implementing process 2
Tooth black belt package protect, come make its when implementing shot-blast process 1 it is unaffected.
(3) implement shot-blast process 2.The tooth for implementing shot-blast process 2 is exposed, by the tooth of reset condition and implementing process 1
Tooth black belt package protect, keep it unaffected when implementing shot-blast process 2.
After (4) two kinds of shot-blast processes are implemented, the floating branch after shot-peening is detected on same unit for dynamic strength of friction disk testing stand
Unit for dynamic strength of friction disk is supportted, testing program is carried out according to company standard Q/AT 201.071-2007.2 are detected altogether.
The rig test result and friction plate crack number of preceding 2 friction plates are as shown in table 2.Count teeth portion on friction plate
Crackle number, it can be seen that the teeth portion crackle number of non-shot-peening will be far more than the crackle number of shot-peening teeth portion.It can be seen that shot-peening really can
Enough effectively improve the ability of Resisting fractre.
2 friction plate test result of table
The tooth that reset condition is excluded according to test result implements shot-blast process 1 and shot-peening work in friction plate number 3 and 4
Skill 2.The rig test result and friction plate crack number of friction plate, as shown in table 3.Implement the tooth of the friction plate of shot-blast process 1
Crackle number will be considerably less than the fissure line number for implementing the friction plate of shot-blast process 2.
3 friction plate test result of table
Finally, selected shot-blast process 2 to carry out full tooth verification test according to preceding 2 wheel test result and crackle statistical number,
It is 3 total.Test result shows that the resistance to vibration service life of floating support friction plate improves 50% or more.
The above test needs floating support to rub agreement that contracts a film or TV play to an actor or actress 7 altogether, if you need to further increase data confidence, can suitably increase examination
The floating support friction plate quantity tested.If the method for not using gear teeth comparative test, rubbed using the floating support that full tooth is verified
The method of the best shot-blast process of pad.Since suffered floating support shock loading is random and floating support friction plate sheet
Body difference causes the unit for dynamic strength of friction disk test result coefficient of dispersion bigger, and every kind of state is needed 6 and rubbed with upper floating support
Pad, the best shot-blast process of floating support friction plate could probably be determined by needing about 18 or more altogether, while increase cost, time-consuming
With waste engineering resource.And technical solution provided by the invention can quickly and accurately determine the best of floating support friction plate
Shot-blast process type saves a large amount of human and material resources and time.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, and those of ordinary skill in the art still can be to this hair
Bright specific embodiment is modified or replaced equivalently, these without departing from spirit and scope of the invention any modification or
Equivalent replacement is being applied within pending claims.
Claims (4)
1. a kind of shot-blast process selection method of floating support friction plate, the floating support friction plate is circular ring shape, inside
Face is in tooth-shape structure, it is characterised in that: be the described method comprises the following steps:
Step 1, region division is carried out to the tooth-shape structure on the floating support friction plate medial surface；
Step 2, implement different shot-blast processes to the tooth-shape structure of different zones；
Step 3, resistance to vibration detection is carried out to the tooth-shape structure of different zones on same unit for dynamic strength of friction disk testing stand；
Step 4, optimal shot-blast process type is filtered out according to testing result；
Each region is made of several subregions dispersed, and each subregion is made of continuous at least four tooth；
In the step 2 when carrying out shot-blast process to one of region, the tooth in other regions is carried out blocking protection；
The tooth to other regions carries out blocking protection being to wind insulating black adhesive tape by the tooth to other regions to block
Protection；
Shot-blast process is determined according to the crack number that the tooth-shape structure bottom for implementing different shot-blast processes occurs in the step 4
Quality, select the least shot-blast process of crack number as best shot-blast process.
2. a kind of shot-blast process selection method of floating support friction plate according to claim 1, it is characterised in that:
Region division, different colors are carried out to it by marking different colors to the tooth-shape structure in the step 1
Represent different regions.
3. a kind of shot-blast process selection method of floating support friction plate according to claim 1, it is characterised in that:
After the step 1 further include: be labeled as the tooth-shape structure in one of region after division not apply shot-blast process
Region.
4. a kind of shot-blast process selection method of floating support friction plate according to claim 1, it is characterised in that:
Tooth-shape structure on the floating support friction plate medial surface includes at least 100 teeth.
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| CN201610221986.4A CN105729314B (en) | 2016-04-11 | 2016-04-11 | A kind of shot-blast process selection method of floating support friction plate |
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| CN201610221986.4A CN105729314B (en) | 2016-04-11 | 2016-04-11 | A kind of shot-blast process selection method of floating support friction plate |
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| CN105729314B true CN105729314B (en) | 2019-07-12 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496683A (en) * | 2019-12-31 | 2020-08-07 | 沈阳造币有限公司 | Jet type polishing method for coinage mold |
| CN111563317B (en) * | 2020-04-14 | 2023-06-16 | 中国北方车辆研究所 | Shot peening strengthening evaluation method for floating support friction plate |
| CN111876560B (en) * | 2020-07-23 | 2022-07-12 | 中国北方车辆研究所 | Composite strengthening method for friction plate tooth part |
| CN114088762B (en) * | 2022-01-10 | 2022-04-12 | 中国科学院力学研究所 | Method and device for testing equivalent hot spot local thermal fatigue load of floating friction plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003253422A (en) * | 2002-03-04 | 2003-09-10 | Sanyo Special Steel Co Ltd | Method for prolonging service life of tool such as mandrel and forming die, and tool of prolonged service life such as mandrel and forming die |
| CN101238305A (en) * | 2005-08-04 | 2008-08-06 | 博格华纳公司 | Friction plates and various methods of manufacture thereof |
| CN102022462A (en) * | 2010-11-03 | 2011-04-20 | 天津永恒泰科技有限公司 | Driving sleeve for reducing running noise of electromagnetic disc brake and manufacturing method thereof |
| CN103144045A (en) * | 2013-03-20 | 2013-06-12 | 江苏祥龙摩擦材料有限公司 | Disc-type friction plate surface treating machine |
| CN103481199A (en) * | 2012-06-13 | 2014-01-01 | 宁波江丰电子材料有限公司 | Target material processing method |
| CN105259059A (en) * | 2015-11-23 | 2016-01-20 | 江苏大学 | Contrast test method for improving fretting fatigue resistance performance of material by laser shot blasting strengthening and test sample clamping device |
-
2016
- 2016-04-11 CN CN201610221986.4A patent/CN105729314B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003253422A (en) * | 2002-03-04 | 2003-09-10 | Sanyo Special Steel Co Ltd | Method for prolonging service life of tool such as mandrel and forming die, and tool of prolonged service life such as mandrel and forming die |
| CN101238305A (en) * | 2005-08-04 | 2008-08-06 | 博格华纳公司 | Friction plates and various methods of manufacture thereof |
| CN102022462A (en) * | 2010-11-03 | 2011-04-20 | 天津永恒泰科技有限公司 | Driving sleeve for reducing running noise of electromagnetic disc brake and manufacturing method thereof |
| CN103481199A (en) * | 2012-06-13 | 2014-01-01 | 宁波江丰电子材料有限公司 | Target material processing method |
| CN103144045A (en) * | 2013-03-20 | 2013-06-12 | 江苏祥龙摩擦材料有限公司 | Disc-type friction plate surface treating machine |
| CN105259059A (en) * | 2015-11-23 | 2016-01-20 | 江苏大学 | Contrast test method for improving fretting fatigue resistance performance of material by laser shot blasting strengthening and test sample clamping device |
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| CN105729314A (en) | 2016-07-06 |
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