CN106808088B - A kind of seamless welding method of mirror surface door of elevator and zinc-plated stiffening plate - Google Patents
A kind of seamless welding method of mirror surface door of elevator and zinc-plated stiffening plate Download PDFInfo
- Publication number
- CN106808088B CN106808088B CN201710190749.0A CN201710190749A CN106808088B CN 106808088 B CN106808088 B CN 106808088B CN 201710190749 A CN201710190749 A CN 201710190749A CN 106808088 B CN106808088 B CN 106808088B
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- zinc
- plated
- stiffening plate
- elevator
- mirror surface
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Classifications
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- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/22—Spot welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
-
- 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
- B23K2101/18—Sheet panels
- B23K2101/185—Tailored blanks
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
Abstract
The present invention provides the seamless welding method of a kind of mirror surface door of elevator and zinc-plated stiffening plate, this method realizes the channel of circulation by being arranged in zinc-plated stiffening plate for welding the zinc fume generated, and clamping welding is carried out by the way of water-cooling to the back side of zinc-plated stiffening plate and mirror surface door of elevator at the channel end surface of zinc-plated stiffening plate, to realize the seamless welding of mirror surface door of elevator Yu zinc-plated stiffening plate.Mirror surface door of elevator front is without trace and without discoloration after the seamless welding method of mirror surface door of elevator and zinc-plated stiffening plate of the invention not only realizes zinc-plated stiffening plate welding, to not influence the positive beauty of mirror surface door of elevator；And make zinc-plated stiffening plate and mirror surface door of elevator that the firm overall operation to not influence elevator is installed；Meanwhile environmental pollution in carriage will not be caused, be conducive to extensive efficient lift car production.
Description
Technical field
The present invention relates to industrial welding technical fields, more specifically to a kind of mirror surface door of elevator and zinc-plated reinforcement
The seamless welding method of plate.
Background technique
At present in elevator industry, there is mirror surface door of elevator made of stainless steel in general lift car, not only make
For mirror, and disabled person can be made to expand the visual field when in use, such as convenient for wheelchair steering and enter and leave carriage.In order to increase
Add its intensity, requires to increase stiffening plate at the back side of mirror surface door of elevator.
Since mirror surface door of elevator is than relatively thin, is returned and directly affected with mirror surface door of elevator using the fixed stiffening plate of welding manner
The positive beauty of mirror surface door of elevator, therefore most stiffening plate is all solid using glue or sticking double faced adhesive tape in the prior art
It is scheduled on mirror surface door of elevator.However, making to have the following deficiencies: in the method for paste with mirror surface door of elevator using stiffening plate
First is that the connection installation of stiffening plate and mirror surface door of elevator is built on the sand, stiffening plate is easy to cause to fall off.
Make elevator overall operation ineffective in the method for paste second is that adopting, main problem is meeting in running process of elevator
It generates noise and covibration occurs.
Third is that the glue or double-sided adhesive of stickup can pollute the environment in carriage, especially to elevator direct labor's body
Body health is even more unfavorable.
Summary of the invention
It is an object of the invention to overcome shortcoming and deficiency in the prior art, provide a kind of mirror surface door of elevator with it is zinc-plated
The seamless welding method of stiffening plate, the seamless welding method not only realize mirror surface door of elevator front nothing after zinc-plated stiffening plate welding
Trace and without discoloration, to not influence the positive beauty of mirror surface door of elevator；And make zinc-plated stiffening plate and mirror surface elevator door
The firm overall operation to not influence elevator of plate installation；Meanwhile environmental pollution in carriage will not be caused, be conducive to advise greatly
The efficient lift car production of mould.
In order to achieve the above object, the technical scheme is that: a kind of mirror surface door of elevator and plating
The seamless welding method of zinc stiffening plate, it is characterised in that: by being arranged in zinc-plated stiffening plate for welding the zinc fume generated
It realizes the channel of circulation, and the back side of zinc-plated stiffening plate and mirror surface door of elevator is used at the channel end surface of zinc-plated stiffening plate
The mode of water-cooling carries out clamping welding, to realize the seamless welding of mirror surface door of elevator Yu zinc-plated stiffening plate.
In the prior art, because the zinc layers fusing point of galvanized sheet is low, zinc fume is easy folder collection in weld seam, not only will affect
Weldquality, and zinc fume is gathered in the trace and workpiece that solder joint can make the workpiece front for being welded with galvanized sheet generate welding
Weld front be easy discoloration, to largely effect on the appearance of workpiece.In the above scheme, the present invention is in zinc-plated reinforcement
Channel is provided on plate, so that zinc fume can circulate and flow out from channel when zinc-plated stiffening plate and mirror surface door of elevator weld,
Zinc fume will not be gathered in solder joint in welding process in this way, not only solve the critical technological point of galvanized sheet welding, and can realize
Mirror surface door of elevator front is without trace and non-discolouring welding, to achieve the effect that high efficiency production.Meanwhile using water cooling
The mode of heat dissipation carries out clamping welding to the back side of zinc-plated stiffening plate and mirror surface door of elevator, and the mode of water-cooling accelerates weldering
The heat dissipation of heat is connect, to be further reduced the heat generated when welding, weld and the front of mirror surface door of elevator is avoided to draw
Play discoloration and weld mark.
In addition, the seamless welding method of the present invention not only realize stiffening plate welding after mirror surface door of elevator front without trace and nothing
Discoloration, to not influence the positive beauty of mirror surface door of elevator, and make stiffening plate and mirror surface door of elevator install it is firm from
Overall operation without influencing elevator；Meanwhile it also solving to lead to elevator car by the way of glue or sticking double faced adhesive tape at this stage
The environmental issue of compartment internal contamination.
Specifically, the channel for realizing circulation for welding the steam generated by being arranged in zinc-plated stiffening plate,
And at the channel end surface of zinc-plated stiffening plate to the back side of zinc-plated stiffening plate and mirror surface door of elevator by the way of water-cooling
Clamping welding is carried out, to realize that mirror surface door of elevator and the seamless welding of zinc-plated stiffening plate refer to: the following steps are included:
The first step, in zinc-plated stiffening plate to zinc-plated reinforcement back roll at least four impressions, adjacent two impressions it
Between form boss, the boss as weld generate zinc fume realize circulate channel；
Second step clamps zinc-plated stiffening plate and mirror surface door of elevator by using the mode of water-cooling, realizes
The back side of zinc-plated stiffening plate is bonded positioning with the back side of mirror surface door of elevator；
Third step adds mirror surface door of elevator with zinc-plated by using the positive out of focus mode of laser welding at channel end surface
Strong plate is welded, and realizes the seamless welding of mirror surface door of elevator and zinc-plated stiffening plate.
Method of the invention is very ingenious, and the boss formed between adjacent two impressions is easy for zinc-plated add as channel
Zinc fume zinc fume can will not be assembled from passage flow and outflow, such welding process when strong plate and mirror surface door of elevator weld
In solder joint, the critical technological point of galvanized sheet welding is not only solved, and can not realize mirror surface door of elevator front without trace and not
The welding of discoloration, to achieve the effect that high efficiency production.And use the positive out of focus mode of laser welding can be significantly in third step
Improve the accuracy and speed efficiency of welding.
The zinc-plated stiffening plate is the zinc-plated stiffening plate that cross section assumes a " convex " shape；The channel setting is in " convex " in cross section
On the end face of the convex surface two sides of shape.Zinc-plated stiffening plate is designed as cross section and assumes a " convex " shape, and is greatly improved it and reinforces firm effect
Fruit plays better booster action to mirror surface door of elevator.
It is described to refer in zinc-plated stiffening plate to zinc-plated reinforcement back rolling at least four impressions: to plate in the first step
On the end face of zinc stiffening plate convex surface two sides, at least two are rolled along the length direction of zinc-plated stiffening plate in zinc-plated reinforcement back respectively
Impression.It in the actual production process, can be according to the size of zinc-plated stiffening plate and mirror surface door of elevator, on zinc-plated stiffening plate convex surface
Three or four or more impressions are rolled on the end face of two sides respectively, and can be used as channel between adjacent two impressions, it is raw
The welding of zinc-plated stiffening plate and mirror surface door of elevator can be realized when production in each channel end surface.
The zinc-plated stiffening plate is the zinc-plated stiffening plate with a thickness of 1.5mm；The depth of the impression be 0.1mm~
0.15mm.Depth of cup of the invention cannot be too big, not so will affect the height in channel, to influence welding quality.
It is described zinc-plated stiffening plate and mirror surface door of elevator are subjected to clamping by the way of water-cooling to be in second step
Refer to: clamped with mirror surface door of elevator by upper mold and lower mold to clamping zinc-plated stiffening plate, the clamping face of upper mold with
The clamping face of lower mold is separately provided for the water cooling cushion block to radiate when zinc-plated stiffening plate and the welding of mirror surface door of elevator.
The water cooling cushion block is hollow cushion block made of red copper material, is injected with inside hollow cushion block and external cooling water tank
The cooling water of circulation.
In third step, it is described at channel end surface by using the positive out of focus mode of laser welding to mirror surface door of elevator with
Zinc-plated stiffening plate carries out welding and refers to: the length direction using the positive out of focus mode of laser welding at channel end surface and along channel
Mirror surface door of elevator and zinc-plated stiffening plate are welded；In channel end surface at least there is a row laterally to arrange along channel-length direction
The weld pads of column.In order to improve the stability of welding, when processing, can use two or more weld pads in channel end surface
Mode realize welding.
In third step, the power of laser welding is 300W, and the pulse maximum laser energy of laser welding is 90J.
The mirror surface door of elevator is the band mirror face stainless steel plate with a thickness of 1.5mm.
Compared with prior art, the invention has the advantages that with the utility model has the advantages that mirror surface door of elevator of the invention and plating
The seamless welding method of zinc stiffening plate not only realize after the welding of zinc-plated stiffening plate mirror surface door of elevator front without trace and without discoloration,
To not influence the positive beauty of mirror surface door of elevator；And make zinc-plated stiffening plate and mirror surface door of elevator install it is firm to
The overall operation of elevator is not influenced；Meanwhile environmental pollution in carriage will not be caused, be conducive to extensive efficient elevator
Carriage production.
Detailed description of the invention
Fig. 1 is the flow chart of the seamless welding method of invention mirror door of elevator and zinc-plated stiffening plate；
Fig. 2 is zinc-plated stiffening plate and the schematic diagram after the welding of mirror surface door of elevator in the method for the present invention；
Fig. 3 is the side schematic view of zinc-plated stiffening plate in the method for the present invention；
Wherein, 1 it is channel, 2 be impression, 3 be convex surface, 4 be solder joint, 5 be zinc-plated stiffening plate, 6 is mirror surface door of elevator.
Specific embodiment
The present invention is described in further detail with specific embodiment with reference to the accompanying drawing.
Embodiment one
As shown in Figure 1 to Figure 3, the seamless welding method of a kind of mirror surface door of elevator of the present invention and zinc-plated stiffening plate is in this way
: the channel 1 of circulation is realized for welding the zinc fume generated by being arranged in zinc-plated stiffening plate 5, and in zinc-plated stiffening plate 5
1 endface of channel clamping weldering is carried out by the way of water-cooling to zinc-plated stiffening plate 5 and the back side of mirror surface door of elevator 6
It connects, to realize the seamless welding of mirror surface door of elevator 6 Yu zinc-plated stiffening plate 5.
Specifically, realizing the logical of circulation above by the zinc fume that setting is used to weld generation in zinc-plated stiffening plate 5
Road 1, and zinc-plated stiffening plate 5 and the back side of mirror surface door of elevator 6 are dissipated using water cooling in 1 endface of channel of zinc-plated stiffening plate 5
The mode of heat carries out clamping welding, to realize that mirror surface door of elevator 6 and the seamless welding of zinc-plated stiffening plate 5 refer to: including following
Step:
The first step, in zinc-plated stiffening plate 5 to zinc-plated 5 back side of stiffening plate roll four impressions 2, adjacent two impressions 2 it
Between form boss, the boss as weld generate zinc fume realize circulate channel 1；
Second step clamps zinc-plated stiffening plate 5 with mirror surface door of elevator 6 by using the mode of water-cooling, real
The back side of existing zinc-plated stiffening plate 5 is bonded positioning with the back side of mirror surface door of elevator 6；
Third step, 1 endface of channel by using laser welding positive out of focus mode to mirror surface door of elevator 6 with it is zinc-plated
Stiffening plate 5 is welded, and realizes the seamless welding of mirror surface door of elevator 6 and zinc-plated stiffening plate 5.
Wherein, zinc-plated stiffening plate 5 is the zinc-plated stiffening plate that cross section assumes a " convex " shape, and two channels 1 are arranged in cross section
On the end face of 3 two sides of convex surface assumed a " convex " shape.Zinc-plated stiffening plate 5 is designed as cross section and assumes a " convex " shape, and is greatly improved its reinforcement
Firm effect plays better booster action to mirror surface door of elevator 6.
It is above-mentioned to refer in zinc-plated stiffening plate 5 to zinc-plated reinforcement back four impressions 2 of rolling: zinc-plated in the first step
On the end face of 3 two sides of stiffening plate convex surface, two are rolled along the length direction of zinc-plated stiffening plate 5 at zinc-plated 5 back side of stiffening plate respectively
Impression 2.Wherein, zinc-plated stiffening plate is the zinc-plated stiffening plate with a thickness of 1.5mm, and the depth of impression 2 is 0.1mm~0.15mm.This
2 depth of impression of invention cannot be too big, not so will affect the height in channel 1, to influence welding quality.
It is above-mentioned zinc-plated stiffening plate 5 and mirror surface door of elevator 6 are subjected to clamping by the way of water-cooling to be in second step
Refer to: the zinc-plated stiffening plate 5 of clamping being clamped with mirror surface door of elevator 6 by upper mold and lower mold, the clamping face of upper mold
The water cooling to radiate when zinc-plated stiffening plate 5 is welded with mirror surface door of elevator 6 is separately provided for the clamping face of lower mold
Cushion block, and water cooling cushion block is hollow cushion block made of red copper material, is injected with inside hollow cushion block and circulates with external cooling water tank
Cooling water.
In third step, it is above-mentioned in 1 endface of channel by using the positive out of focus mode of laser welding to mirror surface door of elevator 6
It carries out welding with zinc-plated stiffening plate 5 to refer to: using the positive out of focus mode of laser welding in 1 endface of channel and length along channel 1
Mirror surface door of elevator 6 and zinc-plated stiffening plate 5 are welded in degree direction, and two rows are respectively provided on two channels, 1 end face along channel 1
The transversely arranged weld pads 4 of length direction.
In third step, the power of laser welding is 300W, and the pulse maximum laser energy of laser welding is 90J.This hair
Bright mirror surface door of elevator 6 is the band mirror face stainless steel plate with a thickness of 1.5mm.
In the prior art, because the zinc layers fusing point of galvanized sheet is low, zinc fume is easy folder collection in weld seam, not only will affect
Weldquality, and zinc fume is gathered in the trace and workpiece that solder joint can make the workpiece front for being welded with galvanized sheet generate welding
Weld front be easy discoloration, to largely effect on the appearance of workpiece.In the above scheme, the present invention is in zinc-plated reinforcement
Channel 1 is provided on plate 5 so that when zinc-plated stiffening plate 5 and mirror surface door of elevator 6 weld zinc fume can circulate from channel 1 and
It flows out, zinc fume will not be gathered in solder joint in such welding process, not only solve the critical technological point of galvanized sheet welding, Er Qieke
6 front of mirror surface door of elevator is realized without trace and non-discolouring welding, to achieve the effect that high efficiency production.Meanwhile it adopting
Clamping welding, the mode of water-cooling are carried out to zinc-plated stiffening plate 5 and the back side of mirror surface door of elevator 6 with the mode of water-cooling
The heat dissipation of welding heat is accelerated, to be further reduced the heat generated when welding, avoids weld and mirror surface door of elevator 6
Front cause discoloration and weld mark.
In addition, 6 front of mirror surface door of elevator is seamless after the seamless welding method of the present invention not only realizes the zinc-plated welding of stiffening plate 5
Mark and without discoloration to not influence the positive beauty of mirror surface door of elevator 6, and makes zinc-plated stiffening plate 5 and mirror surface elevator door
The firm overall operation to not influence elevator of the installation of plate 6；Meanwhile also solving the side using glue or sticking double faced adhesive tape at this stage
Formula leads to the environmental issue of lift car internal contamination.
Embodiment two
The present embodiment the difference is that only with embodiment one: in the actual production process, can according to zinc-plated stiffening plate with
The size of mirror surface door of elevator rolls three or four or more impressions respectively on the end face of zinc-plated stiffening plate convex surface two sides,
And can be used as channel between adjacent two impressions, when production, can realize zinc-plated stiffening plate and mirror surface electricity in each channel end surface
The welding of terraced door-plate.
The other structures and embodiment one of the present embodiment are consistent.
Embodiment three
The present embodiment the difference is that only with embodiment one: the stability in order to improve welding, and when processing can be in channel
Welding is realized on end face by the way of two or more weld pads.
The other structures and embodiment one of the present embodiment are consistent.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (8)
1. the seamless welding method of a kind of mirror surface door of elevator and zinc-plated stiffening plate, it is characterised in that: by zinc-plated stiffening plate
The channel of circulation is realized in upper setting for welding the zinc fume generated, and to zinc-plated reinforcement at the channel end surface of zinc-plated stiffening plate
The back side of plate and mirror surface door of elevator carries out clamping welding by the way of water-cooling, with realize mirror surface door of elevator with it is zinc-plated
The seamless welding of stiffening plate；
The seamless welding method refers to: the following steps are included:
The first step rolls at least four impressions, shape between adjacent two impressions to zinc-plated reinforcement back in zinc-plated stiffening plate
At boss, the boss is as the channel for realizing circulation for welding the zinc fume generated；Length of the channel along zinc-plated stiffening plate
Spend direction setting；
Second step clamps zinc-plated stiffening plate and mirror surface door of elevator by using the mode of water-cooling, realizes zinc-plated
The back side of stiffening plate is bonded positioning with the back side of mirror surface door of elevator；
Third step, the positive out of focus mode at channel end surface by using laser welding is to mirror surface door of elevator and zinc-plated stiffening plate
It is welded, realizes the seamless welding of mirror surface door of elevator and zinc-plated stiffening plate；
In third step, it is described at channel end surface by using the positive out of focus mode of laser welding to mirror surface door of elevator with it is zinc-plated
Stiffening plate carries out welding and refers to: the length direction using the positive out of focus mode of laser welding at channel end surface and along channel is to mirror
Face door of elevator is welded with zinc-plated stiffening plate, realizes that length direction of the zinc fume along channel circulates；In channel end surface at least
With the row weld pads transversely arranged along channel-length direction.
2. the seamless welding method of mirror surface door of elevator according to claim 1 and zinc-plated stiffening plate, it is characterised in that: institute
Stating zinc-plated stiffening plate is the zinc-plated stiffening plate that cross section assumes a " convex " shape；The convex surface two that cross section assumes a " convex " shape is arranged in the channel
On the end face of side.
3. the seamless welding method of mirror surface door of elevator according to claim 2 and zinc-plated stiffening plate, it is characterised in that: the
It is described to refer in zinc-plated stiffening plate to zinc-plated reinforcement back rolling at least four impressions: convex in zinc-plated stiffening plate in one step
On the end face of face two sides, at least two impressions are rolled along the length direction of zinc-plated stiffening plate in zinc-plated reinforcement back respectively.
4. the seamless welding method of mirror surface door of elevator according to claim 1 and zinc-plated stiffening plate, it is characterised in that: institute
State zinc-plated stiffening plate and be the zinc-plated stiffening plate with a thickness of 1.5mm；The depth of the impression is 0.1mm~0.15mm.
5. the seamless welding method of mirror surface door of elevator according to claim 1 and zinc-plated stiffening plate, it is characterised in that: the
It is described zinc-plated stiffening plate and mirror surface door of elevator are subjected to clamping by the way of water-cooling to refer to: to pass through upper mold in two steps
Tool and lower mold clamp zinc-plated stiffening plate and mirror surface door of elevator, the clamping face point of the clamping face of upper mold and lower mold
It is not provided with the water cooling cushion block to radiate when welding for zinc-plated stiffening plate and mirror surface door of elevator.
6. the seamless welding method of mirror surface door of elevator according to claim 5 and zinc-plated stiffening plate, it is characterised in that: institute
Stating water cooling cushion block is hollow cushion block made of red copper material, and the cooling with external cooling water tank circulation is injected with inside hollow cushion block
Water.
7. the seamless welding method of mirror surface door of elevator according to claim 1 and zinc-plated stiffening plate, it is characterised in that: the
In three steps, the power of laser welding is 300W, and the pulse maximum laser energy of laser welding is 90J.
8. the seamless welding method of mirror surface door of elevator according to claim 1 and zinc-plated stiffening plate, it is characterised in that: institute
Stating mirror surface door of elevator is with a thickness of 1.5mm with mirror face stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190749.0A CN106808088B (en) | 2017-03-28 | 2017-03-28 | A kind of seamless welding method of mirror surface door of elevator and zinc-plated stiffening plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710190749.0A CN106808088B (en) | 2017-03-28 | 2017-03-28 | A kind of seamless welding method of mirror surface door of elevator and zinc-plated stiffening plate |
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| CN106808088A CN106808088A (en) | 2017-06-09 |
| CN106808088B true CN106808088B (en) | 2019-01-08 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552952A (en) * | 2017-08-28 | 2018-01-09 | 广东泰格威机器人科技有限公司 | The welding location equipment and its fixed-position welding method of a kind of door of elevator and reinforcing plate |
| CN108296636B (en) * | 2018-01-18 | 2019-09-24 | 上海业识科技有限公司 | The seamless no color differnece welding procedure of surface stainless steel plate surface based on pulse laser |
| CN108311787A (en) * | 2018-01-18 | 2018-07-24 | 上海业识科技有限公司 | Stainless steel faceplate surface soldered technique based on continuous laser, quasi-continuous lasing |
| JP7036683B2 (en) * | 2018-07-03 | 2022-03-15 | トヨタ自動車株式会社 | Laser welding method |
| CN110625253A (en) * | 2019-07-06 | 2019-12-31 | 佛山市众慧焊接智能技术有限公司 | Traceless welding method for elevator panel |
| CN115210166A (en) * | 2020-03-13 | 2022-10-18 | 三菱电机株式会社 | Door plate structure of elevator |
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| CN102528347A (en) * | 2012-01-12 | 2012-07-04 | 天津大学 | Constraint radiating device for welding ferritic stainless steel plates and welding method |
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