CN107803993A - A kind of sheet material seamless welding technique - Google Patents

A kind of sheet material seamless welding technique Download PDF

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Publication number
CN107803993A
CN107803993A CN201710893209.9A CN201710893209A CN107803993A CN 107803993 A CN107803993 A CN 107803993A CN 201710893209 A CN201710893209 A CN 201710893209A CN 107803993 A CN107803993 A CN 107803993A
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CN
China
Prior art keywords
welding
workpiece
cooled
sheet
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201710893209.9A
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Chinese (zh)
Inventor
施享
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maanshan Songhe Information Technology Co Ltd
Original Assignee
Maanshan Songhe Information Technology Co Ltd
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Filing date
Publication date
Application filed by Maanshan Songhe Information Technology Co Ltd filed Critical Maanshan Songhe Information Technology Co Ltd
Priority to CN201710893209.9A priority Critical patent/CN107803993A/en
Publication of CN107803993A publication Critical patent/CN107803993A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/001Joining in special atmospheres
    • B29C66/0012Joining in special atmospheres characterised by the type of environment
    • B29C66/0014Gaseous environments
    • B29C66/00141Protective gases
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/02Preparation of the material, in the area to be joined, prior to joining or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles

Abstract

The present invention relates to a kind of sheet material seamless welding technique, its preparation method are as follows:A, cleaner is by surface, polish port and fixation;B, temperature-pressure is carried out to welding position, by protective gas, C, workpiece is cooled and pressurizeed, room temperature is cooled to after stopping pressurization;D, workpiece uniform stressed is suppressed, taken out in slave unit, complete welding.Present invention process is simple, easy to operate, and the used time is short, and the sheet material interface for welding out is smooth, without fine crack, ensures its welding position tensile strength, impact strength, that toughness is equal to raw material is consistent.

Description

A kind of sheet material seamless welding technique
Technical field
The present invention relates to welding procedure field, and in particular to a kind of sheet material seamless welding technique.
Background technology
With the continuous development of state-of-the-art technology, the utilization of sheet material is more and more, it is desirable to and it is also increasingly stricter, but it is squeezed It is difficult the sheet material pipe for producing major diameter to go out machine, at this moment just needs sheet material secondary operation, two plates is docked welded together As the tubular body for the size that meets the requirements, precisely due to sheet material poor fluidity, viscosity is high under molten condition, and early stage shaping is only capable of using Compacting and sintering are realized with extrusion, injection and blow moiding method processing, but time-consuming, complex process, is unfavorable for sending out for a long time Exhibition, so needing a kind of mode rapidly and efficiently to meet various types of requirements to carry out welding.
The content of the invention
A kind of sheet material seamless welding technique is provided the invention aims to overcome the shortcomings of the above.
Technical scheme includes:A kind of sheet material seamless welding technique, its preparation method are as follows:
A, the dirt in the range of workpiece welding position both sides 1-2cm is cleaned, workpiece welding position is subjected to polishing formation after cleaning End face, it is put into seamless welding machine and is fixed, welding workpiece end face is docked, workpiece solder side is slightly above horizontal plane 0.5- 1cm;
B, temperature-pressure is carried out to welding position, temperature is set to 300-350 DEG C, and pressure is set to 3-5MPa, duration 20- 30min, pass through protective gas, flow 10-15L/min during heating;
C, the workpiece in step B is cooled, cooled with 10-15 DEG C/min speed, to 50-60 DEG C, time 20- 24min, 6-8MPa is during which forced into, reduction shield gas flow rate is 5-8L/min, and room temperature is cooled to after stopping pressurization;
D, workpiece in step C be depressurized under an atmospheric pressure, workpiece uniform stressed is suppressed, stress pressure 200- 250N/cm2, take out in slave unit, complete welding.
Preferably, protective gas use purity for 99.9% argon gas or helium.
Beneficial effects of the present invention:Present invention process is simple, easy to operate, and the used time is short, the sheet material interface for welding out is smooth, Without fine crack, ensure that its welding position tensile strength, impact strength, toughness are consistent equal to raw material.
Embodiment:
In order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and the embodiment is only used In explaining the present invention, it is not intended to limit the scope of the present invention..
Embodiment 1
A kind of sheet material seamless welding technique, its preparation method are as follows:
A, the dirt in the range of workpiece welding position both sides 1cm is cleaned, workpiece welding position is subjected to polishing after cleaning and forms end Face, it is put into seamless welding machine and is fixed, welding workpiece end face is docked, workpiece solder side is slightly above horizontal plane 0.5cm;
B, temperature-pressure is carried out to welding position, temperature is set to 300 DEG C, and pressure is set to 3MPa, duration 25min, heating During pass through protective gas, flow 10L/min;
C, the workpiece in step B is cooled, cooled with 10 DEG C/min speed, to 60 DEG C, time 24min, the phase Between be forced into 8MPa, reduction shield gas flow rate is 6L/min, stop pressurization after be cooled to room temperature;
D, workpiece in step C be depressurized under an atmospheric pressure, workpiece uniform stressed is suppressed, stress pressure 230N/ cm2, take out in slave unit, complete welding.
In the present embodiment, protective gas use purity for 99.9% helium.
Embodiment 2
A kind of sheet material seamless welding technique, its preparation method are as follows:
A, the dirt in the range of workpiece welding position both sides 2cm is cleaned, workpiece welding position is subjected to polishing after cleaning and forms end Face, it is put into seamless welding machine and is fixed, welding workpiece end face is docked, workpiece solder side is slightly above horizontal plane 0.8cm;
B, temperature-pressure is carried out to welding position, temperature is set to 350 DEG C, and pressure is set to 5MPa, duration 30min, heating During pass through protective gas, flow 15L/min;
C, the workpiece in step B is cooled, cooled with 15 DEG C/min speed, to 50 DEG C, time 20min, the phase Between be forced into 7MPa, reduction shield gas flow rate is 8L/min, stop pressurization after be cooled to room temperature;
D, workpiece in step C be depressurized under an atmospheric pressure, workpiece uniform stressed is suppressed, stress pressure 250N/ cm2, take out in slave unit, complete welding.
In the present embodiment, protective gas use purity for 99.9% argon gas.
Embodiment 3
A kind of sheet material seamless welding technique, its preparation method are as follows:
A, the dirt in the range of workpiece welding position both sides 2cm is cleaned, workpiece welding position is subjected to polishing after cleaning and forms end Face, it is put into seamless welding machine and is fixed, welding workpiece end face is docked, workpiece solder side is slightly above horizontal plane 0.5cm;
B, temperature-pressure is carried out to welding position, temperature is set to 340 DEG C, and pressure is set to 4MPa, duration 25min, heating During pass through protective gas, flow 13L/min;
C, the workpiece in step B is cooled, cooled with 13 DEG C/min speed, to 54 DEG C, time 22min, the phase Between be forced into 8MPa, reduction shield gas flow rate is 6L/min, stop pressurization after be cooled to room temperature;
D, workpiece in step C be depressurized under an atmospheric pressure, workpiece uniform stressed is suppressed, stress pressure 220N/ cm2, take out in slave unit, complete welding.
In the present embodiment, protective gas use purity for 99.9% argon gas.
Embodiment 4
A kind of sheet material seamless welding technique, its preparation method are as follows:
A, the dirt in the range of workpiece welding position both sides 2cm is cleaned, workpiece welding position is subjected to polishing after cleaning and forms end Face, it is put into seamless welding machine and is fixed, welding workpiece end face is docked, workpiece solder side is slightly above horizontal plane 1cm;
B, temperature-pressure is carried out to welding position, temperature is set to 330 DEG C, and pressure is set to 4MPa, duration 20min, heating During pass through protective gas, flow 10L/min;
C, the workpiece in step B is cooled, cooled with 12 DEG C/min speed, to 54 DEG C, time 23min, the phase Between be forced into 7MPa, reduction shield gas flow rate is 7L/min, stop pressurization after be cooled to room temperature;
D, workpiece in step C be depressurized under an atmospheric pressure, workpiece uniform stressed is suppressed, stress pressure 200N/ cm2, take out in slave unit, complete welding.
In the present embodiment, protective gas use purity for 99.9% helium.
In above example, embodiment 2 is most preferred embodiment, by shield gas flow rate it is moderate, do not influence temperature and The change of pressure, improve the smooth seamless quality of soldering opening.
Explanation embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the technology of this area For personnel, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in Within protection scope of the present invention.

Claims (2)

  1. A kind of 1. sheet material seamless welding technique, it is characterised in that:Its preparation method is as follows:
    A, the dirt in the range of workpiece welding position both sides 1-2cm is cleaned, workpiece welding position is subjected to polishing formation after cleaning End face, it is put into seamless welding machine and is fixed, welding workpiece end face is docked, workpiece solder side is slightly above horizontal plane 0.5- 1cm;
    B, temperature-pressure is carried out to welding position, temperature is set to 300-350 DEG C, and pressure is set to 3-5MPa, duration 20- 30min, pass through protective gas, flow 10-15L/min during heating;
    C, the workpiece in step B is cooled, cooled with 10-15 DEG C/min speed, to 50-60 DEG C, time 20- 24min, 6-8MPa is during which forced into, reduction shield gas flow rate is 5-8L/min, and room temperature is cooled to after stopping pressurization;
    D, workpiece in step C be depressurized under an atmospheric pressure, workpiece uniform stressed is suppressed, stress pressure 200- 250N/cm2, take out in slave unit, complete welding.
  2. 2. according to a kind of sheet material seamless welding technique described in claim 1, it is characterised in that:Protective gas use purity for 99.9% argon gas or helium.
CN201710893209.9A 2017-09-28 2017-09-28 A kind of sheet material seamless welding technique Withdrawn CN107803993A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710893209.9A CN107803993A (en) 2017-09-28 2017-09-28 A kind of sheet material seamless welding technique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710893209.9A CN107803993A (en) 2017-09-28 2017-09-28 A kind of sheet material seamless welding technique

Publications (1)

Publication Number Publication Date
CN107803993A true CN107803993A (en) 2018-03-16

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Family Applications (1)

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CN201710893209.9A Withdrawn CN107803993A (en) 2017-09-28 2017-09-28 A kind of sheet material seamless welding technique

Country Status (1)

Country Link
CN (1) CN107803993A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101947681A (en) * 2010-09-20 2011-01-19 浙江诚信医化设备有限公司 Welding technology of stainless steel measuring tank
CN102935719A (en) * 2012-10-31 2013-02-20 宁波神通模塑有限公司 Novel welding technology for thermoplastic materials and device for achieving welding technology
CN104999658A (en) * 2015-07-13 2015-10-28 山东鲍尔浦实业有限公司 Seamless welding method of ultrahigh molecular weight polyethylene plates
CN107081527A (en) * 2017-06-29 2017-08-22 大族激光科技产业集团股份有限公司 A kind of welding method of metallic sheet stock

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101947681A (en) * 2010-09-20 2011-01-19 浙江诚信医化设备有限公司 Welding technology of stainless steel measuring tank
CN102935719A (en) * 2012-10-31 2013-02-20 宁波神通模塑有限公司 Novel welding technology for thermoplastic materials and device for achieving welding technology
CN104999658A (en) * 2015-07-13 2015-10-28 山东鲍尔浦实业有限公司 Seamless welding method of ultrahigh molecular weight polyethylene plates
CN107081527A (en) * 2017-06-29 2017-08-22 大族激光科技产业集团股份有限公司 A kind of welding method of metallic sheet stock

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Application publication date: 20180316