CN108225691A - Gas examines crimping machine and its control method and air spring detection crimping method - Google Patents
Gas examines crimping machine and its control method and air spring detection crimping method Download PDFInfo
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- CN108225691A CN108225691A CN201810233336.0A CN201810233336A CN108225691A CN 108225691 A CN108225691 A CN 108225691A CN 201810233336 A CN201810233336 A CN 201810233336A CN 108225691 A CN108225691 A CN 108225691A
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- 238000002788 crimping Methods 0.000 title claims abstract description 47
- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000006073 displacement reaction Methods 0.000 claims abstract description 30
- 230000008569 process Effects 0.000 claims abstract description 22
- 230000009471 action Effects 0.000 claims abstract description 19
- 238000007689 inspection Methods 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 46
- 238000003825 pressing Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000009530 blood pressure measurement Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 238000012797 qualification Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003556 assay Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3281—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell
- G01M3/329—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators removably mounted in a test cell for verifying the internal pressure of closed containers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to a kind of gas to examine crimping machine, specifically, it is related to a kind of gas inspection crimping machine and its control method, the present invention provides a kind of gas inspection crimping machine and its control method that can have not only examined air spring air-tightness but also air spring can be carried out to crimping, including frame, control device, air charging system, measuring device, driving device, fixing tool；Air charging system is connected with fixing tool, and fixing tool includes upper fixing tool and lower fixing tool, and lower fixing tool is fixed on a mobile platform, and frame is arranged on periphery, and other component is all mounted in frame or on frame；Control device controls whole work process；Air charging system is used for inflating to workpiece；Measuring device measures the air pressure and displacement of workpiece；It is each in driving device driving detection process；The action of device；Fixing tool is used for carrying workpiece, airtight crimping machine of the invention, can not only detect the air-tightness of air spring, and crimping can be carried out after the assay was approved into installation condition, it is primary to complete, the yield rate of air spring is improved, can be widely used in air spring production field.
Description
Technical field
The present invention relates to a kind of gas to examine crimping machine, specifically, being related to a kind of gas inspection crimping machine and its control method.
Background technology
In the prior art, air-spring bellows, which will carry out air-leakage test, to dispatch from the factory, in the prior art without special needle
To the detection device of air-spring bellows air-tightness, all it is using original method, exactly first air spring is inflated, is then put into
It is seen in water either with or without gas overflowing, this Comparison between detecting methods trouble, and detects also inaccurate.
Also, the mounted state of air spring and installation condition are different, and installation condition is than firm mounted shape
State has one end that crimping is wanted to be retracted one section of air bag, in the prior art, also completes this crimping procedures without special equipment, typically
Crimping is carried out using external force, can be had an impact to the intensity of air spring in this way.
Invention content
To solve the above-mentioned problems, air spring air-tightness can not only have been examined but also can be by air the present invention provides a kind of
The gas inspection crimping machine and its control method, specific technical solution of spring progress crimping are as follows：
A kind of gas examines crimping machine, including frame, control device, air charging system, measuring device, driving device, fixing tool；It fills
Device of air is connected with fixing tool, and fixing tool includes upper fixing tool and lower fixing tool, and lower fixing tool is fixed on movement
On platform, frame is arranged on periphery, and other component is all mounted in frame or on frame；Control device control is entire worked
Journey；Air charging system is used for inflating to workpiece；Measuring device measures the air pressure and displacement of workpiece；In driving device driving detection process
It is each；The action of device；Fixing tool is used for carrying workpiece.
Optimally, air charging system includes inflating controller, air inlet pipeline, and air inlet pipeline is connected with upper fixing tool.
Optimally, measuring device includes device for pressure measurement and displacement measuring device, and device for pressure measurement is set as pressure
Table, displacement measuring device are set as connecting rod and displacement sensor, and pressure gauge is connected with inflating controller, and connecting rod and mobile platform are same
Step movement, displacement sensor are arranged on the displacement that connecting rod is measured on frame.
Optimally, driving device is set as hydraulic-driven, and cylinder is controlled including oil cylinder, hydraulic pressure beam hanger, connecting rod, protective cover,
Hydraulic pressure beam hanger is connected with mobile platform.
Optimally, protective cover is further included, protective cover is arranged on frame, and monitoring is kept by protective cover control cylinder control
The seal of process.
Optimally, mobile platform is connected with 4 guide pads, and on the guide bar, connecting rod is connected half packet with guide rod.
A kind of detection method of gas inspection crimping machine described in claim 1, includes the following steps：
A, gas inspection crimping machine is opened, relevant parameter is inputted in control system program interface：Name of product, workpiece elemental height value A,
First pressing amount B（Initial compression height）, the parameters such as initial air pressure value D, detection pressure value E；
B, it puts the workpiece between fixing tool and lower fixing tool, presses start button, protective cover control cylinder starts, prevents
Shield rises automatically；
C, inflating controller acts, and reaching upper fixing tool by loading line is inflated workpiece, reaches initial air pressure
After force value D, mobile platform can move up compression, stop after reaching workpiece first pressing amount B；
D, detection starts, and inflating controller continues to be filled with pressure-air to workpiece, and after reaching detection pressure value E, system starts to count
When, reach setting dwell time F, amount of pressure drop is less than voltage drop value G, and system can give tacit consent to qualification；If amount of pressure drop is higher than higher than pressure drop
Value G, system default is unqualified, alarm；
E, it deflates to workpiece, less than after pressure at expulsion, control device control mobile platform and workpiece return pressure in workpiece
Protective cover is opened in initial position, protective cover control cylinder action, removes workpiece, test process terminates.
Optimally, detection design of pressure is 200-230 psi, and the dwell time is set as 10-20 seconds, and voltage drop value is set as
3-7 psi。
A kind of air spring detection crimping method of gas inspection crimping machine described in claim 1, includes the following steps：
A, gas inspection crimping machine is opened, relevant parameter is inputted in control system program interface：Name of product, air spring elemental height
Value A, first pressing amount B（Initial compression height）, final pressure magnitude C（Final compression height）, initial air pressure value D, detection pressure value E
Etc. parameters；
B, air spring is put between upper fixing tool and lower fixing tool, presses start button, protective cover control cylinder opens
Dynamic, protective cover rises automatically；
C, according to the air spring elemental height value A of setting, in place, inflating controller action passes through loading line to mobile platform
Fixing tool is inflated air spring in arrival, and after reaching initial air pressure value D, mobile platform can move up pressure
Contracting, stops after reaching air spring first pressing amount B；
D, detection starts, and inflating controller continues to be filled with pressure-air to air spring, and after reaching detection pressure value E, system is opened
Beginning timing reaches setting dwell time F, and amount of pressure drop is less than voltage drop value G, and system can give tacit consent to qualification, subsequently into step E；If
Amount of pressure drop is higher than voltage drop value G, and system default is unqualified, and alarm enters step F;
E, control system control driving device action, driving mobile platform compress upwards, and air spring is compressed to final pressure magnitude C
, it deflates simultaneously, in air spring after pressure to normal pressure, control device control mobile platform and air spring return to initial position,
Protective cover is opened in protective cover control cylinder action, removes air spring, at this moment air spring has been crimped onto desired height, surveys
Examination process terminates；
F, deflate to air spring, in air spring pressure less than after pressure at expulsion, control device control mobile platform and
Air spring returns to initial position, and protective cover is opened in protective cover control cylinder action, removes workpiece, test process terminates.
Optimally, detection design of pressure is 200-230 psi, and the dwell time is set as 10-20 seconds, and voltage drop value is set as
3-7 psi。
It of the technical program includes frame, control device, air charging system, measuring device, driving device, fixing tool；
Air charging system is connected with fixing tool, and fixing tool includes upper fixing tool and lower fixing tool, and lower fixing tool is fixed on shifting
On moving platform, frame is arranged on periphery, and other component is all mounted in frame or on frame；The entire work of control device control
Process；Air charging system is used for inflating to workpiece；Measuring device measures the air pressure and displacement of workpiece；Driving device drives detection process
In it is each；The action of device；Fixing tool is used for carrying workpiece.The gas inspection crimping machine of the technical program, fixation is put by workpiece
In tooling, then start, air charging system can injection air, then air pressure on detection control apparatus display screen in workpiece in the past
Variation, does not change or changes in a certain range, then it is assumed that the air-tightness of workpiece is qualified, otherwise, unqualified.
The technical program air charging system includes inflating controller, air inlet pipeline, and air inlet pipeline is connected with upper fixing tool, this
Sample workpiece is installed to i.e. inflatable on fixing tool.
The technical program measuring device includes device for pressure measurement and displacement measuring device, and device for pressure measurement is set as pressing
Power table, displacement measuring device are set as connecting rod and displacement sensor, and pressure gauge is connected with inflating controller, connecting rod and mobile platform
It being synchronized with the movement, displacement sensor is arranged on the displacement that connecting rod is measured on frame, and pressure measurement can monitor the variation of pressure at any time,
The setting of displacement sensor and connecting rod can adjust the position of mobile platform as requested with the displacement of control device.
The technical program driving device is set as hydraulic-driven, including oil cylinder, hydraulic pressure beam hanger, connecting rod, protective cover control gas
Cylinder, hydraulic pressure beam hanger are connected with mobile platform, and hydraulic-driven is more steady, more accurate, and cost is than relatively low.、
It further includes protective cover to the technical program, and protective cover is arranged on frame, and monitoring is kept by protective cover control cylinder control
The seal of process, protective cover at work cover in the equipment of work, ensure that the safety of operating personnel.
The technical program mobile platform is connected with 4 guide pads, and on the guide bar, connecting rod is connected half packet with guide rod, this
Ensure that all around four faces are all in one plane when sample mobile platform moves up and down.Also, connecting rod fortune synchronous with guide rod
It is dynamic, it ensure that displacement sensor is more accurate to the measurement of displacement, so as to which control device controls whole process relatively more accurate.
The airtight crimping machine of the present invention, can not only detect the air-tightness of air spring, and after the assay was approved can be into
Row crimping improves the yield rate of air spring into installation condition, primary completion, can be in air spring production field extensively
It uses.
Description of the drawings
Fig. 1 is that the gas of the present invention examines the structure diagram of crimping machine；
Fig. 2 is the structure diagram that the gas of the present invention examines the side of crimping machine；
Fig. 3 is the structure diagram of the mobile platform of the present invention.
1：Frame, 2：Oil cylinder, 3：Connecting rod, 4：Displacement sensor, 5：Hydraulic pressure beam hanger, 6：Mobile platform；7：Protective cover controls
Cylinder, 8：Guide rod, 9：Head cover, 10：Upper fixing tool, 11：Air inlet pipeline, 12：Air spring, 13：Lower fixing tool, 14：
Control device, 15：Inflating controller, 16：Pressure gauge, 17：Guide pad.
Specific embodiment.
The gas inspection crimping machine of the present invention is described in further detail with reference to the accompanying drawings and embodiments.
Embodiment 1：
This gas examines crimping machine, including frame 1, control device 14, air charging system, measuring device, driving device, fixing tool；
Air charging system is connected with fixing tool, and fixing tool includes upper fixing tool 10 and lower fixing tool 13, and lower fixing tool 13 is solid
It is scheduled on mobile platform 6, frame 1 is arranged on periphery, and other component is all mounted in frame 1 or on frame 1；Control device 14
Control whole work process；Air charging system is used for inflating to workpiece；Measuring device measures the air pressure and displacement of workpiece；Driving device
Drive the action of each device in detection process；Fixing tool is used for carrying workpiece.Air charging system includes inflating controller, air inlet
Pipeline, air inlet pipeline are connected with upper fixing tool.Measuring device includes device for pressure measurement and displacement measuring device, pressure measurement
Device is set as pressure gauge 15, and displacement measuring device is set as connecting rod 3 and displacement sensor 4, pressure gauge 15 and inflating controller
15 connections, connecting rod 3 and mobile platform 6 are synchronized with the movement, and displacement sensor 4 is arranged on the displacement that connecting rod 3 is measured on frame 1.Driving
Device is set as hydraulic-driven, and including oil cylinder 2, hydraulic pressure beam hanger 5, protective cover control cylinder 7, hydraulic pressure beam hanger 5 and mobile platform 6 connect
It connects.It further includes protective cover, and protective cover is arranged on frame 1, is controlled by protective cover control cylinder 7 and keeps the closed of monitoring process
Property.Mobile platform 4 is connected with 4 guide pads 17, and on guide rod 17, connecting rod 3 is connected half packet with guide rod 8.
Its detection process is such, is included the following steps：
It includes the following steps：
A, gas inspection crimping machine is opened, relevant parameter is inputted in control system program interface：Name of product, workpiece elemental height value A,
First pressing amount B（Initial compression height）, the parameters such as initial air pressure value D, detection pressure value E；
B, it puts the workpiece between fixing tool 10 and lower fixing tool 13, presses start button, protective cover control cylinder opens
Dynamic, protective cover rises automatically；
C, inflating controller acts, and reaching upper fixing tool 10 by loading line 11 is inflated workpiece, reaches initial sky
After air pressure force value D, mobile platform 6 can move up compression, stop after reaching workpiece first pressing amount B.
D, detection starts, and inflating controller 15 continues to be filled with pressure-air to workpiece, after reaching detection pressure value E, system
Start timing, reach setting dwell time F, amount of pressure drop is less than voltage drop value G, and system can give tacit consent to qualification；If amount of pressure drop is higher than height
In voltage drop value G, system default is unqualified, alarm；
E, it deflates to workpiece, less than after pressure at expulsion, control device control mobile platform 6 and workpiece return pressure in workpiece
Initial position, protective cover control cylinder 7, which acts, opens protective cover, removes workpiece, test process terminates.
Detection design of pressure is 220 psi, and the dwell time is set as 16 seconds, and voltage drop value is set as 5 psi.
Embodiment 2：
Difference lies in the present embodiment is the gas inspection crimping machine of an air spring 12, is detected for the present embodiment and embodiment 1
Journey includes the following steps：
It includes the following steps：
A, gas inspection crimping machine is opened, relevant parameter is inputted in control system program interface：Name of product, air spring 12 are initial high
Angle value A, first pressing amount B（Initial compression height）, final pressure magnitude C（Final compression height）, initial air pressure value D, detection pressure
The parameters such as value E；
B, air spring is put between upper fixing tool and lower fixing tool, presses start button, protective cover control cylinder opens
Dynamic, protective cover rises automatically；
C, according to the air spring elemental height value A of setting, in place, inflating controller action passes through loading line to mobile platform
Fixing tool is inflated air spring in arrival, and after reaching initial air pressure value D, mobile platform can move up pressure
Contracting, stops after reaching air spring first pressing amount B.
D, detection starts, and inflating controller continues to be filled with pressure-air to air spring, after reaching detection pressure value E, is
System starts timing, reaches setting dwell time F, and amount of pressure drop is less than voltage drop value G, and system can give tacit consent to qualification, subsequently into step E；
If amount of pressure drop is higher than voltage drop value G, system default is unqualified, and alarm enters step F;
E, control system control driving device action, driving mobile platform compress upwards, and air spring is compressed to final pressure magnitude C
, it deflates simultaneously, in air spring after pressure to normal pressure, control device control mobile platform and air spring return to initial position,
Protective cover is opened in protective cover control cylinder action, removes air spring, at this moment air spring has been crimped onto desired height, surveys
Examination process terminates；
E, deflate to air spring, in air spring pressure less than after pressure at expulsion, control device control mobile platform and
Air spring returns to initial position, and protective cover is opened in protective cover control cylinder action, removes workpiece, test process terminates.
The detection design of pressure of the present embodiment is 200 psi, and the dwell time is set as 10 seconds, and voltage drop value is set as 3
psi。
Embodiment 3：
Difference lies in the detection design of pressure of the present embodiment is 230 psi, and the dwell time sets for the present embodiment and embodiment 2
It is set to 20 seconds, voltage drop value is set as 7 psi.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (10)
1. a kind of gas examines crimping machine, which is characterized in that it includes frame, control device, air charging system, measuring device, driving dress
It puts, fixing tool；Air charging system is connected with fixing tool, and fixing tool includes upper fixing tool and lower fixing tool, lower fixation
Tooling is fixed on a mobile platform, and frame is arranged on periphery, and other component is all mounted in frame or on frame；Control device
Control whole work process；Air charging system is used for inflating to workpiece；Measuring device measures the air pressure and displacement of workpiece；Driving device
It drives each in detection process；The action of device；Fixing tool is used for carrying workpiece.
2. gas according to claim 1 examines crimping machine, it is characterised in that：Air charging system includes inflating controller, air inlet pipe
Road, air inlet pipeline are connected with upper fixing tool.
3. gas according to claim 1 examines crimping machine, it is characterised in that：Measuring device includes device for pressure measurement and displacement
Measuring device, device for pressure measurement are set as pressure gauge, and displacement measuring device is set as connecting rod and displacement sensor, pressure gauge and
Inflating controller connects, and connecting rod and mobile platform are synchronized with the movement, and displacement sensor is arranged on the displacement that connecting rod is measured on frame.
4. gas according to claim 1 examines crimping machine, it is characterised in that：Driving device is set as hydraulic-driven, including oil
Cylinder, hydraulic pressure beam hanger, connecting rod, protective cover control cylinder, hydraulic pressure beam hanger are connected with mobile platform.
5. gas according to claim 1 examines crimping machine, it is characterised in that：It further includes protective cover, and protective cover is arranged on frame
On frame, the seal of monitoring process is kept by protective cover control cylinder control.
6. gas according to claim 1 examines crimping machine, it is characterised in that：Mobile platform is connected with 4 guide pads, and half packet exists
On guide rod, connecting rod is connected with guide rod.
7. a kind of detection method of gas inspection crimping machine described in claim 1, which is characterized in that it includes the following steps：
A, gas inspection crimping machine is opened, relevant parameter is inputted in control system program interface：Name of product, workpiece elemental height value A,
First pressing amount B（Initial compression height）, the parameters such as initial air pressure value D, detection pressure value E；
B, it puts the workpiece between fixing tool and lower fixing tool, presses start button, protective cover control cylinder starts, prevents
Shield rises automatically；
C, inflating controller acts, and reaching upper fixing tool by loading line is inflated workpiece, reaches initial air pressure
After force value D, mobile platform can move up compression, stop after reaching workpiece first pressing amount B；
D, detection starts, and inflating controller continues to be filled with pressure-air to workpiece, and after reaching detection pressure value E, system starts to count
When, reach setting dwell time F, amount of pressure drop is less than voltage drop value G, and system can give tacit consent to qualification；If amount of pressure drop is higher than higher than pressure drop
Value G, system default is unqualified, alarm；
E, it deflates to workpiece, less than after pressure at expulsion, control device control mobile platform and workpiece return pressure in workpiece
Protective cover is opened in initial position, protective cover control cylinder action, removes workpiece, test process terminates.
8. the control method of gas inspection crimping machine according to claim 7, which is characterized in that detection design of pressure is 200-
230 psi, dwell time are set as 10-20 seconds, and voltage drop value is set as 3-7 psi.
9. a kind of air spring detection crimping method of gas inspection crimping machine described in claim 1, which is characterized in that under it includes
Row step：
A, gas inspection crimping machine is opened, relevant parameter is inputted in control system program interface：Name of product, air spring elemental height
Value A, first pressing amount B（Initial compression height）, final pressure magnitude C（Final compression height）, initial air pressure value D, detection pressure value E
Etc. parameters；
B, air spring is put between upper fixing tool and lower fixing tool, presses start button, protective cover control cylinder opens
Dynamic, protective cover rises automatically；
C, according to the air spring elemental height value A of setting, in place, inflating controller action passes through loading line to mobile platform
Fixing tool is inflated air spring in arrival, and after reaching initial air pressure value D, mobile platform can move up pressure
Contracting, stops after reaching air spring first pressing amount B；
D, detection starts, and inflating controller continues to be filled with pressure-air to air spring, and after reaching detection pressure value E, system is opened
Beginning timing reaches setting dwell time F, and amount of pressure drop is less than voltage drop value G, and system can give tacit consent to qualification, subsequently into step E；If
Amount of pressure drop is higher than voltage drop value G, and system default is unqualified, and alarm enters step F;
E, control system control driving device action, driving mobile platform compress upwards, and air spring is compressed to final pressure magnitude C
, it deflates simultaneously, in air spring after pressure to normal pressure, control device control mobile platform and air spring return to initial position,
Protective cover is opened in protective cover control cylinder action, removes air spring, at this moment air spring has been crimped onto desired height, surveys
Examination process terminates；
F, deflate to air spring, in air spring pressure less than after pressure at expulsion, control device control mobile platform and
Air spring returns to initial position, and protective cover is opened in protective cover control cylinder action, removes air spring, test process knot
Beam.
10. the detection crimping method of gas inspection crimping machine according to claim 9, which is characterized in that detection design of pressure
For 200-230 psi, the dwell time is set as 10-20 seconds, and voltage drop value is set as 3-7 psi.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352974A (en) * | 2018-09-30 | 2019-02-19 | 中车青岛四方车辆研究所有限公司 | Sleeve formula air spring sizing hemming device and method |
| CN109352974B (en) * | 2018-09-30 | 2021-04-16 | 中车青岛四方车辆研究所有限公司 | Sleeve type air spring shaping and curling device and method |
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