CN107900604A - A kind of welding positioning tool of damper spring disk - Google Patents
A kind of welding positioning tool of damper spring disk Download PDFInfo
- Publication number
- CN107900604A CN107900604A CN201711477082.9A CN201711477082A CN107900604A CN 107900604 A CN107900604 A CN 107900604A CN 201711477082 A CN201711477082 A CN 201711477082A CN 107900604 A CN107900604 A CN 107900604A
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- block
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- axis
- support mandrel
- positioning tool
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- 239000006096 absorbing agent Substances 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention belongs to vehicle shock absorber technical field, and in particular to a kind of welding positioning tool of damper spring disk.The welding positioning tool includes equipment contiguous block, ring flange, oral area positioner, support mandrel, rise axis and the block that rises, equipment contiguous block is connected through a screw thread with external equipment, equipment contiguous block is equipped with auxiliary connecting device, oral area positioner includes positioning disk, 4 locating pieces, locating piece is bolted on positioning disk, positioning disk is bolted on the ring flange in support mandrel, ring flange is connected with support mandrel by thread fitting, through hole is equipped with support mandrel, the axis that rises is equipped with through hole, rise and be cased with extension spring on axis, support mandrel is equipped with circumferential square radial slot, the block that rises is equipped with square radial slot, the outer surface risen on block is equipped with the block reset spring that rises.The welding positioning tool of the spring holder is easy to operate, efficient, suitable for mass production, effectively raises product quality.
Description
Technical field
The invention belongs to vehicle shock absorber technical field, and in particular to a kind of welding positioning tool of damper spring disk.
Background technology
Damper is that a kind of cost is higher, the relatively low part of profit, and particularly present Aftermarket Claims cost increasingly increases.
Traditional spring holder and oil cylinder welding tooling, early period, difficulty of processing was big, frock debug time length, and in process, spring
4 helical pitch uniformity of disk are poor, easily fluctuate, and general helical pitch promise is in 2mm or so, or even has indivedual points on a 3mm left sides
The right side, can not ensure the helical pitch of 4 points of damper fuse spring holder, after being unified into assembly outside damper fuse, the axis of external connection spring with
The axis of damper fuse is misaligned, makes damper that piston rod eccentric wear occur in use, causes damper leakage to fail,
Aftermarket Claims cost is brought to enterprise.In order to improve life of product, entreprise cost is reduced, therefore, there is an urgent need to a kind of new bullet
Spring disk welder improves concentricity with external connection spring after hydraulic cylinder assembly welding.
The patent that notification number is CN102785052B discloses the equipment that a kind of spring plate of shock absorber reversely welds, including rotation
Revolving worktable, positioning plate, riser, rotary cylinder, surge drum pressing plate, spring holder positioning round pin, spring holder positioning pin swinging seat, spring
Disk positioning pin, spring holder pressing plate, spring holder position round pin, spring holder positioning is had strong market potential, the positioning of spring holder location key seat, surge drum
Plate, reinforcing plate.By positioning axis connection rotary table on stent, rotary table center is equipped with the positioning with abutment sleeve
Seat, with sleeved positioning seat end through rotary table and positioning axis connection below, with sleeved positioning seat
Side is equipped with riser, and the side of riser is equipped with groove, and horizontal positioned rotary cylinder in groove, the equipment reversely welded relies on work
Three-point fix is filled, is fixedly clamped by rotary cylinder, but the equipment reversely welded relies on three-point fix, in process,
3 helical pitch uniformity of spring holder are poor, easily fluctuate.
The patent of Publication No. CN204209323U discloses a kind of spring plate of shock absorber welding positioning tool, has bottom
Seat, it is characterized in that：Positioning sleeve is installed on base, adjustment disk is housed in positioning sleeve, be provided with adjustment disk four groups it is equally distributed
Regulating tank, every group of regulating tank include two inside and outside arc grooves, and corresponding four groups of regulating tanks are equipped with four pieces of adjusting valve plates, every piece of adjusting
Be provided with valve plate three parallel arrangement radial slots, wherein left and right two radial slots by two pieces of bolts with inside and outside corresponding two
Arc groove forms adjusting and is located by connecting, and being provided with height on a middle radial slot adjusts push rod component, but the positioning tool exists
The size of the size selection positioning sleeve according to processing fuel tank is needed during use, it is inconvenient using process.
The content of the invention
In view of this, in view of the deficiencies of the prior art, the present invention provides a kind of welding positioning tool of damper spring disk,
The welding of the spring holder and oil cylinder of particularly suitable different lead.
To reach above-mentioned purpose, the present invention uses following technical scheme：A kind of welding positioning tool of damper spring disk
Including equipment contiguous block, ring flange, oral area positioner, support mandrel, rise axis and the block that rises, and the equipment contiguous block is equipped with first
External screw thread, first external screw thread is connected with the first screw-internal thread fit of the equipment outside the welding spring holder frock, described
Equipment contiguous block is equipped with auxiliary connecting device, and the oral area positioner includes positioning disk, 4 locating pieces, 4 positioning
Block is to be fixed on by the first bolt on positioning disk, and the positioning disk is fixed on the ring flange in support mandrel by the second bolt
On, the ring flange is equipped with external screw thread, and second external screw thread is connected with second screw-internal thread fit of support mandrel, the branch
Through hole is equipped with support core axis, the axis that rises is equipped with the through hole, extension spring is cased with the axis that rises, the support mandrel is equipped with
Circumferential square radial slot, the square radial slot is interior to be equipped with the block that rises, and the outer surface risen on block is equipped with the block that rises
Resetting spring.
Further, the auxiliary connecting device includes screw thread top tight pieces and driving hole.
Further, 4 locating pieces are fixed on the positioning disk by 2 screws respectively, the four point positioning
Block is equipped with elongated slot.
Further, the end of 4 locating pieces is inlaid with magnet.
Further, the upper end diameter of the axis that rises is less than the diameter of lower end.
Further, the block number mesh that rises is 3.
Further, the lead error of four locating pieces of spring holder is less than 1mm.
The beneficial effects of the invention are as follows：The present invention provides a kind of welding positioning tool of damper welding spring holder, bag
Include equipment contiguous block, oral area positioner, support mandrel, rise axis and the block that rises, wherein:Equipment contiguous block is played to be welded with spring holder
The effect of frock external equipment connection, the external screw thread and the internal thread of the equipment outside welding spring holder frock of equipment contiguous block are matched somebody with somebody
Conjunction is connected through a screw thread, and equipment contiguous block and welding tooling external equipment can be connected through a screw thread more by auxiliary connecting device
Firmly, ring flange, which plays, is fixed to positioning disk in support mandrel, plays the role of retaining spring disk.Oral area positioner plays
Support and retaining spring disk, determine position of the spring holder on oil cylinder, and support mandrel plays placement and rises axis and to be combined by the axis that rises
The block that rises positions oil cylinder position, and the axis that rises is risen by support, and block is realized and clamps oil storage cylinder assembly, and the block that rises is by using the axis that rises by oil cylinder
Stretching, the extension spring covered on the axis that rises carry out stretching to the block that rises, rise by block reset spring after the block spreading that rises, due to being resetted outside the block that rises
The effect of spring, rise block automatic rebounding.
The screw thread top tight pieces of auxiliary connecting device can prevent the rotation of ring flange, and the driving hole is twisted by being inserted into spanner
Tight screw thread, 4 locating pieces are fixed on the positioning disk by 2 screws respectively, and positioning disk supports spring holder, four positioning
Block retaining spring disk, the four point positioning device is equipped with elongated slot, can move oral area positioner to the suitable position of oil cylinder
Put, axially adjustable, the position of spring holder axis on oil storage cylinder, the magnet that the end of 4 positioners is inlayed can suck bullet
Spring disk, making workpiece, spring holder holding position is motionless in the course of work of welding, and the upper end diameter for the axis that rises is less than the straight of lower end
Footpath, during off working state, can put into the square groove of support mandrel, the thin position of the shank diameter that rises is above supporting mandrel in the block that rises
The position in hole, when working status, the cylinder of welding tooling connection promotes this bar that rises, and makes the thick place of diameter to the position of square hole
The block that rises is put just by stretching, the block number that rises mesh rises by block for 3 guarantees being capable of radial direction stretching.The lead error of four locating pieces of spring holder is small
Concentricity after 1mm can ensure spring holder and oil cylinder welding.The welding positioning tool of the spring holder is easy to operate, efficiency
Height, it is suitable for mass production, product quality is effectively raised, solves damper piston caused by spring disk axis are overproof
Bar eccentric wear, reduces oil leak, Abnormal Sound Trouble rate, while product quality gets a promotion, significantly extends life of product, also improve vapour
The complete vehicle quality of Main Engine producer.
Brief description of the drawings
Fig. 1:The structure diagram of the present invention;
Fig. 2:The front schematic view of oral area positioner of the present invention;
Fig. 3:The side structure schematic diagram of oral area positioner of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Attached drawing, the technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, ordinary skill
Personnel's all other embodiments obtained, belong to the scope of protection of the invention.
Embodiment 1
As shown in Figure 1, a kind of welding positioning tool of damper spring disk includes equipment contiguous block 1, ring flange 2, oral area positioning
Device 5, support mandrel 7, rise axis 6 and the block 9 that rises, the external equipment of the equipment contiguous block 1 and the welding positioning tool of spring holder
Connection, welds spring holder and oil cylinder by being connected with external equipment, equipment contiguous block 1 is equipped with external screw thread, the outer spiral shell
Line is connected with the screw-internal thread fit of the equipment outside the welding spring holder frock, and equipment contiguous block 1 passes through with support mandrel 7
Thread fitting connects, and the outer surface of the support mandrel 7 is equipped with ring flange 2, and ring flange 2 is equipped with internal thread, the internal thread and
The external screw thread of support mandrel 7 is connected by thread fitting, and ring flange 2 plays the role of retaining spring disk with support mandrel, described
Through hole 10 is equipped with support mandrel 7, the axis 6 that rises is equipped with the through hole 10, the axis 6 that rises simultaneously can edge through whole support mandrel 7
The support mandrel 7 is slided, and extension spring 11 is cased with the axis 6 that rises, and extension spring 11 can be when rising by 9 rising of block by drawing
Stretch the elastic force of the spring axis that makes to rise to retract, so move repeatedly, oil cylinder is clamped and is unclamped, the support mandrel 7 is equipped with
Circumferential square radial slot, the square radial slot is interior to be equipped with the block 9 that rises, and the block 9 that rises is placed in square radial slot, described
The outer surface risen on block 9, which is equipped with, rises block reset spring 8, and the block reset spring 8 that rises binds round the block 9 that rises, and the block 9 that prevents from rising is slided from square groove
Fall can automatic rebounding rise block 9.
The auxiliary connecting device includes screw thread top tight pieces 2 and driving hole 4.Screw thread top tight pieces 2 can fixed flange, prevent
Only the rotation of support mandrel drives the rotation of ring flange 2 in spring holder and oil cylinder welding process, and insertion spanner pair is set in driving hole 4
Standby contiguous block 1 and external equipment are connected through a screw thread more firm.
The upper end diameter of the axis that rises is less than the diameter of lower end, when the block that rises is put into the square radial slot of support mandrel 7
（Non-working time）, the thin position of the shank diameter that rises is directed at square radial slot in supporting mandrel, when welding the work of spring holder frock,
The cylinder of external equipment promotes the axis that rises, and to the position of 6 square radial slots, the block that so rises just is supportted in the thick place of shaft diameter that makes to rise
Tightly.
The block number mesh that rises is 3, and the square radial slot number in support mandrel 7 is 6, along 7 outer surface of support mandrel
The block that rises is placed between circle distribution, wherein each two are adjacent, when the cylinder of external equipment, which promotes, rises by axis movement, the axis that rises is straight
The thick place in footpath struts the block 9 that rises.
Embodiment 2
As shown in Figure 2 and Figure 3, embodiment 2 is the improvement on the basis of embodiment 1, as different from Example 1：Oral area positioner
5 form including positioning disk 13 and 4 locating pieces 14, wherein, the positioning disk 14 is equipped with 4 grooves 15,4 locating pieces
14 are stuck in 4 grooves and are fixed on by the first bolt 12 on positioning disk 14, and positioning disk 14 is equipped with screw hole 16, the positioning
Disk 14 through the second bolt of the screw hole 16 by being fixed in support mandrel 7.
The four point positioning block 14 is equipped with elongated slot, can move oral area positioner to the suitable position of oil cylinder to spring
Disk carries out axially position.
The end of 4 locating pieces 14 is inlaid with magnet.The magnet can suck spring holder, make workpiece in welding
In the course of work, when support mandrel is high-speed rotating, keep spring holder position motionless, radial positioning is carried out to spring holder.
The lead error of four locating pieces 14 of spring holder is less than 1mm.Make damper be connected with external equipment after axis symbol
Processing request is closed, product quality is effectively raised, it is inclined to solve damper piston rod caused by bottom cover concentricity is overproof
Mill, reduces oil leakage fault rate, significantly extends life of product.
Operation principle of the present invention：Support mandrel 7 is inserted at welding positioning tool external equipment oil cylinder guider end to the left, according to
It is connected by equipment contiguous block 1 with external equipment, oil cylinder oral area inlet port portion positioner 5, the cylinder of external equipment promotes support
The axis 6 that rises inside mandrel 7 travels forward, and thick one end of 6 diameter of axis of rising is pushed to support mandrel and rises the position of block, and the block that rises is propped up,
Oil cylinder stretching, the locating piece 14 of oral area positioner 5 are moved to oil cylinder suitable position and spring holder are carried out axially to determine by the block 9 that rises
Position, 14 end magnets of locating piece carry out spring holder radial positioning, spring holder be adjusted to after the size of product requirement to oil cylinder into
Row locking, starts welding equipment and spring holder and oil cylinder is welded, and after welding, return hydraulic cylinder, the block 9 that rises is due to stretching bullet
The effect of spring 11, the block that rises are withdrawn, and the product after welding can freely take out.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff makes technical scheme, without departing from technical solution of the present invention
Spirit and scope, should all cover among scope of the presently claimed invention.
Claims (7)
1. a kind of welding positioning tool of damper spring disk, it is characterized in that：Including equipment contiguous block, ring flange, oral area positioning
Device, support mandrel, rise axis and the block that rises, and the equipment contiguous block is equipped with external screw thread, the external screw thread and the welding spring holder
The screw-internal thread fit connection of equipment outside frock, the equipment contiguous block are equipped with auxiliary connecting device, the oral area positioning
Device includes positioning disk, 4 locating pieces, and 4 locating pieces are to be fixed on by the first bolt on positioning disk, the positioning disk
It is fixed on by the second bolt on the ring flange in support mandrel, the ring flange is connected with the support mandrel by thread fitting
Connect, through hole is equipped with the support mandrel, the axis that rises is equipped with the through hole, extension spring, the support is cased with the axis that rises
Mandrel is equipped with circumferential square radial slot, and the block that rises, the outer surface risen on block are equipped with the square radial slot
It is equipped with the block reset spring that rises.
A kind of 2. welding positioning tool of damper spring disk according to claim 1, it is characterised in that：The auxiliary connects
Connection device includes screw thread top tight pieces and driving hole.
A kind of 3. welding positioning tool of damper spring disk according to claim 1, it is characterised in that：Described 4 fixed
Position block is fixed on the positioning disk by 2 screws respectively, and the four point positioning block is equipped with elongated slot.
A kind of 4. welding positioning tool of damper spring disk according to claim 1, it is characterised in that：Described 4 fixed
The end of position block is inlaid with magnet.
A kind of 5. welding positioning tool of damper spring disk according to claim 1, it is characterised in that：The axis that rises
Upper end diameter is less than the diameter of lower end.
A kind of 6. welding positioning tool of damper spring disk according to claim 1, it is characterised in that：The block number that rises
Mesh is 3.
A kind of 7. welding positioning tool of damper spring disk according to claim 1, it is characterised in that：Spring holder four
The lead error of locating piece is less than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477082.9A CN107900604B (en) | 2017-12-29 | 2017-12-29 | Welding positioning tool for spring disc of shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711477082.9A CN107900604B (en) | 2017-12-29 | 2017-12-29 | Welding positioning tool for spring disc of shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107900604A true CN107900604A (en) | 2018-04-13 |
| CN107900604B CN107900604B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711477082.9A Active CN107900604B (en) | 2017-12-29 | 2017-12-29 | Welding positioning tool for spring disc of shock absorber |
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| Country | Link |
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| CN (1) | CN107900604B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814757A (en) * | 2021-10-12 | 2021-12-21 | 北京无线电测量研究所 | Polarizer machining device and machining method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4857691A (en) * | 1988-06-02 | 1989-08-15 | Westinghouse Electric Corp. | Burnable absorber rod end plug welding apparatus and method |
| DE10007836A1 (en) * | 2000-02-21 | 2001-08-23 | Nelson Bolzenschweis Technik G | Method for welding a stud to a workpiece and stud welding device |
| CN203679589U (en) * | 2013-12-19 | 2014-07-02 | 芜湖天佑汽车技术有限公司 | Welding and locating tool for shock absorber |
| CN204209323U (en) * | 2014-10-22 | 2015-03-18 | 湖北扬飞减震器有限公司 | A kind of damper spring dish welding positioning tool |
| CN105436728A (en) * | 2015-12-24 | 2016-03-30 | 宁波力品格自动化科技有限公司 | Welding mechanism of shock absorber welding machine |
| CN205271273U (en) * | 2015-12-24 | 2016-06-01 | 宁波力品格自动化科技有限公司 | Bumper shock absorber installation fixed establishment of bumper shock absorber welding machine |
| CN206123006U (en) * | 2016-10-26 | 2017-04-26 | 芜湖天佑汽车技术有限公司 | Shock absorber spring holder welding frock |
| CN208214701U (en) * | 2017-12-29 | 2018-12-11 | 南阳淅减汽车减振器有限公司 | A kind of welding positioning tool of damper spring disk |
-
2017
- 2017-12-29 CN CN201711477082.9A patent/CN107900604B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4857691A (en) * | 1988-06-02 | 1989-08-15 | Westinghouse Electric Corp. | Burnable absorber rod end plug welding apparatus and method |
| DE10007836A1 (en) * | 2000-02-21 | 2001-08-23 | Nelson Bolzenschweis Technik G | Method for welding a stud to a workpiece and stud welding device |
| CN203679589U (en) * | 2013-12-19 | 2014-07-02 | 芜湖天佑汽车技术有限公司 | Welding and locating tool for shock absorber |
| CN204209323U (en) * | 2014-10-22 | 2015-03-18 | 湖北扬飞减震器有限公司 | A kind of damper spring dish welding positioning tool |
| CN105436728A (en) * | 2015-12-24 | 2016-03-30 | 宁波力品格自动化科技有限公司 | Welding mechanism of shock absorber welding machine |
| CN205271273U (en) * | 2015-12-24 | 2016-06-01 | 宁波力品格自动化科技有限公司 | Bumper shock absorber installation fixed establishment of bumper shock absorber welding machine |
| CN206123006U (en) * | 2016-10-26 | 2017-04-26 | 芜湖天佑汽车技术有限公司 | Shock absorber spring holder welding frock |
| CN208214701U (en) * | 2017-12-29 | 2018-12-11 | 南阳淅减汽车减振器有限公司 | A kind of welding positioning tool of damper spring disk |
Non-Patent Citations (1)
| Title |
|---|
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113814757A (en) * | 2021-10-12 | 2021-12-21 | 北京无线电测量研究所 | Polarizer machining device and machining method |
| CN113814757B (en) * | 2021-10-12 | 2024-03-26 | 北京无线电测量研究所 | Processing method |
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| Publication number | Publication date |
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| CN107900604B (en) | 2024-05-03 |
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