CN108747065A - A kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece - Google Patents
A kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece Download PDFInfo
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- CN108747065A CN108747065A CN201810493844.2A CN201810493844A CN108747065A CN 108747065 A CN108747065 A CN 108747065A CN 201810493844 A CN201810493844 A CN 201810493844A CN 108747065 A CN108747065 A CN 108747065A
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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
- B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
- B23K28/02—Combined welding or cutting procedures or apparatus
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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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The invention discloses a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece, include the following steps：The welding of TA5 thin-walled plates；The manufacture of TA5 alloy T-type muscle；The welding of T-type muscle and big specification TA5 tablets；Orthopedic after finally the large-sized plates piece with T-type muscle completes, this art inventions is more innovated, with strong points, and in addition to splice joint equipment is more professional, the requirement of remaining device is relatively low, and investment is small, and low energy consumption, reaches following purpose：The rational butt welding process of plate, improves efficiency and reduces cost；The welding of sheet with rib fillet weld, which uses pressure code technology and effective welding sequence, reduces welding deformation to save the orthopedic caused cost allowance of large area；Vibration stress relief treatment is carried out to whole sheet with rib piece after welding, residual stress relief ratio is not less than 20%, ensure that equipment mechanical stability in use, reduces high cost that heat aging (stress-removal heat treatment) is brought and highly difficult.
Description
Technical field
The invention belongs to the manufacturing technology fields of plate, and in particular to a kind of big-size thinning plastic TA5 alloy strip T-type gusset piece
Manufacturing process.
Background technology
Titanium alloy has that fusing point is high, density is small, intensity is big, specific strength is high, a series of key properties such as corrosion-resistant, at home
Civilian industry, national defense industry, which suffers from, to be widely applied, and with the continuous development of industry, different types of titanium alloy is used and also got over
Come more, higher requirements are also raised for this welding to titanium alloy.
TA5 alloys are α alloys, and nominal chemical composition is Ti-4Al-0.005B, and tensile strength lower limit is 680MPa, is had
Excellent welding performance and corrosion resisting property, suitable for manufacturing the structural member used under marine environment.
Recently as the development of national defense industry, the constantly upgrading of sea dress, a large amount of Ti Alloy Strip gusset part use is on naval vessel
Superstructure on replace carbon steel or aluminium alloy, thin-wall titanium alloy structural member is its main use form, however structural member exists
It is exactly the mechanical stability of structural member, Titanium Alloy for Ship structural member is more at present during use other than the requirement of intensity
Number is sheet with rib part and TA5 materials that area is larger thin-wall part, thus pre- anti-welding deformation " the thin horse phenomenon " that generates and
The unevenness of entire plate face is the Major Difficulties of entire manufacturing process, the Ti Alloy Strip gusset part welding that a small number of producers can make
Hand tungsten argon arc welding welding is generally used, due to being easy that plate face is made injustice occur when such thermal weld stress not enough concentrates welding
Spend it is overproof, thus we to large area sheet with rib develop tablet using with string type briquetting P+T plasma welding machines weld, band
Gusset angle seam is made by the way of welding region place mat red copper flat plate radiation and system pressure code anti-welding deformation of reordering, and to big face
Long-pending sheet with rib piece carries out vibration stress relief treatment.To improve the degree of automation of naval vessel large area TA5 sheet with rib pieces, increase
Production efficiency improves the quality of production of large area TA5 sheet with rib, reduces scrappage.
Invention content
The purpose of the present invention is to provide a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece, to solve
It is proposed that thermal weld stress not enough concentrates the when of welding overproof, the welding efficiency that is easy to make plate face unevenness occur in above-mentioned background technology
It is low, it is time-consuming and laborious, improve scrappage the problem of.
To achieve the above object, present invention employs following technical solutions：
A kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece, includes the following steps：
The welding of S1, TA5 plate is using with string type briquetting and possessing the plasma bottoming of 10m × 10m operating platforms
The mode of weldering+automatic tungsten anode argon arc welding cosmetic welding, when welding the starting the arc receive arc and must be completed on run-on tab, run-on tab uses 2 pieces
The TA5 planks of same material stack pile, size is 150mm × 100mm, consistent with position while welding, and is welded preceding downward to run-on tab
Carry out reversible deformation measure；
After the completion of S2, TA5 plate welding, it is orthopedic that discovery has local modified areas that should carry out, when deformed region is slightly larger, by plate
Piece is placed on veneer reeling machine and is slightly rolled back and forth, until plate flatness reaches requirement position；Deformed region is that part is small
When range, using fairing by flame principle come local elevated regions are heated, cold-zone process, be allowed to generate part heat expansion it is cold
Contracting phenomenon, and then reach the orthopedic purpose of plate, it is all to be carried out non-destructive testing by orthopedic plate, to ensure plate quality；
S3, T-type muscle are made of panel, web two parts, and for tablet fillet weld pattern, specification 4mm/4mm, welding is adopted
With being hand tungsten argon arc welding, by drawing, foot welding height is respectively 3mm, and fillet weld needs whole full welds, and both ends need to also be into
Row cornerite welds, and arc position >=15mm is received in the starting the arc, and when welding uses a forming technology；
S4, for T-type muscle orthopedic work using firer school type, specially linear heating operation method, this method
It is suitable for the correction of member panel angular deformation, including " double hold together the angular deformation of ruler type " and " thin horse " straightening, main method is quilt
Burn the correction of shape heating；
S5, before group is to T-type muscle and plate, gather the TA5 plates and T-type muscle parts of big specification, it is ensured that group pair
Preceding all components can meet the size, tolerance, shape need of single-piece part, and welding can so be grouped；
The welding of S6, T-type muscle and plate belong to the fillet weld form of square groove, and it is handwork tungsten electrode argon arc that welding, which uses,
Weldering, according to drawing requirement, the foot welding height of 4mm/4mm, 5mm/4mm are 3mm, and T-type muscle weld seam side needs full weld, the other side to need
Intermittent weld (welds 75mm, be spaced 75mm), and all weldering is full in the 150mm of both ends, and carries out cornerite weldering, starting the arc receipts arc position >=15mm,
Entire welding process, using low current, fast welding reduces thermal weld stress amount；
When S7, welding T-type muscle and plate, the copper plate that 12mm is padded at the plate back side accelerates cooling, while in T-type muscle panel
On reorder the cast iron pressure code control deformation of system and plate face edge does about 4-5 ° of predeformation measure, for last sheet with rib
Piece closes up butt weld, before all butt weld welding, is both needed on the inside of plate plus along bead direction, the position of close Weld pipe mill
It sets, material is titanium, the strip lacing wire of thickness about 12mm, width 100mm；
S8, entire plate butt weld and T-type muscle carry out it vibration stress relief treatment, plate face bottom four after welding
Circumferential edges add centre position to pad rubber tyre, with 20% degree of eccentricity automatically scanning to 8000 turns, find master and shake 1, attached to shake 2
A, and vibrated by main 2/3 rotating speed to shake of scanning, attached to shake constant, the main time of shaking is no less than 15 minutes, and the attached time of shaking is each many
In 10 minutes；
After S9, oscillating aging, residual stress detection is carried out to it, because residual stress detection is using more practical
" Blind Hole Method " survey stress, belong to destructive testing, still its subsidiary welding witness test plate (panel) is detected, come with this
Judge the effect of vibration stress relief of plate；
Before S10, welding are orthopedic, region to be welded is cleaned out, is stained with third with colourless silk cloth (colourless silk cloth may only be used)
Ketone should be welded except dirts such as grease water, descaling and gettering layers after cleaning out immediately, be needed before otherwise welding again clear
Reason is clean, and the back side is protected using brush high-temperature coatings when orthopedic welding, is dried using less than 100 DEG C flames or naturally dry ensures to apply
Material is not fallen off, and needs to mend swabbing after falling off, there are uneven and local bulges for titanium alloy structure part siding, rectify using sweating heat
The mode of shape and Forced water cooling carries out orthopedic.
Preferably, the welding of TA5 plates is not added with using straight section slope type, gap 0-0.5mm in the step 1
The plasma bottoming of silk, automatic tungsten anode argon arc welding capping, between TA5 alloys welding use TA28 specifications for 1.0~1.2mm, meet
The standard requirement of GB/T3623-2007.
Preferably, TA5 plate welding equipments are the compound jigsaw welding machines of Full-automatic plasma+TIG in the step 1, are originally set
The string type briquetting of standby included fixed plate, rush-harvesting and rush-planting power supply and cooling system, match molten bath tracking system, solderable range reaches
10mX10m。
Preferably, welding deformation, all jigsaw are both needed to be welded by specified welding sequence in order to control in the step 1
Connect, 1) Plasma Welding when, welding direction will be welded with spot welding direction in negative direction, 2) polylith plate welding when, first will
Smaller plate first carries out welding, finally is carrying out closing up welding.
Preferably, welding residual deformation in order to control in the step S3, especially controls torsional deformation, postwelding is facilitated to carry out
Re-shaping exercise, for this structure with relatively parallel long weld seam of T-type muscle, using " long weld seam is equidirectional when welding
Welding ", and in a plurality of identical T-type muscle welding, two-by-two weld seam it is tight can mutually to put electrode holder, welding region pad red copper accelerate it is cold
But, when welding, using low current, fast welding reduces thermal weld stress amount, and postwelding T-type generates a small amount of directive bending
Deformation, and non-distorted or deflection deformation, facility is provided for follow-up school shape task.
Preferably, for welding large area T-type sheet with rib piece in the step S6, it is control to select rational welding sequence
An important factor for welding deformation, following principle should be followed by how formulating suitable welding sequence, and 1) so that weld seam is freely received as far as possible
Contracting, for large-scale welding structure, welding should around disperse from centre, so that its weld seam has free shrink, reduce weldering
Scoop out power, 2) the big weld seam of shrinkage should be welded first, due to the maximum weld seam of shrinkage, easy to produce larger welding stress,
It is general relatively freer as well as the contraction of first welding line, therefore the big weld seam of shrinkage first welds in structure, so that it may to subtract
Few stress therein, 3) when existing simultaneously docking with corner connection weld seam in structure, should first weld docking, rear welding angle connects, 4) in structure together
When there are when fillet weld in the vertical position and fillet weld in the flat position, should first weld fillet weld in the vertical position, weld fillet weld in the flat position afterwards.
Preferably, there are how many T-type muscle first to determine whole plate on piece first for the welding sequence in the step S6, and
The T-type muscle substantially in centre position is found out, is that initial weld seam welds successively to upper and lower, left and right with center T-type muscle, must not arbitrarily weld
Remaining T-type muscle is connect, when plate exists simultaneously longitudinal T-type muscle and lateral laminate, first welds longitudinal T-type, the lateral laminate of rear weldering
Fillet weld, the welding of laminate fillet weld is remained welds successively from mesosphere board to upper and lower, left and right, all T-type muscle welderings on plate
After the completion of connecing, carries out sheet edges docking and close up welding, carry out backstep to upper and lower among weld seam, closing up butting grooves is
Double-sided symmetrical, when welding, first weld internal groove, after the completion of inner mouth bottoming capping, carry out the capping of outside weld seam, have T-type muscle and
The welding gimmick that butt weld is all made of backstep is welded, the long 75mm of every weld seam of fillet weld, and butt weld is every long
About 200mm.
Preferably, Vibratory Stress stress equipment is made of host and vibration exciter two large divisions in the step S8, is led to
It crosses power cord to be fitted together, residual stress detection device is detected by residual stress puncher and residual stress in step S9
Instrument two parts form.
Preferably, the concrete scheme of orthopedic processing is 1 in the step S10) on the siding of disqualified upon inspection by special
Industry personnel's light source scanning delimit deformation large area, 2) all orthopedic weldings of welding should be carried out in the face of protrusion and temperature≤
Forced water cooling, thermometric is used to be carried out using point type temperature measurer at 300 DEG C, 3) direction of orthopedic welding is welded along longitudinal stiffener
Direction or vertically carried out with the direction of longitudinal stiffener, 4) welding orthopedic should carry out straight line silk filling using argon arc welding on siding
Weldering is executed by associated welds technique；The speed of welding should be adjusted according to the raised size of plate, and protrusion is larger to answer accordingly
Slowly, increasing welding current, the short welding bead in the long welding bead both sides in center may be used in raised critical regions, and to carry out welding orthopedic, but
Same welding bead does not allow the welding more than three times, 5) welding region, the polishing of the welding back side (must not be used angular after welding is orthopedic
Grinding wheel) it is flushed with base material, and polishing region is as narrow as possible (only to weld seam and melt run part), and 6) by the way of local sandblasting
Confirm qualification to orthopedic region plate inner and outer surfaces sandblasting, and by company reviewer.
The technique effect and advantage of the present invention：A kind of big-size thinning plastic TA5 alloy strip T-type gusset piece proposed by the present invention
Manufacturing process has the following advantages compared with prior art：From different joint forms, welding sequence formulation, welding preapre for an unfavorable turn of events
Shape measure, welding is orthopedic and carries out full wafer vibration stress relief treatment to it, for deforming the larger technique orthopedic using welding
It carries out orthopedic, to obtain the small big-size thinning plastic TA5 sheet with rib pieces of excellent mechanical property, deflection, improves the big face in naval vessel
The degree of automation of product TA5 sheet with rib pieces, increases production efficiency, improves the quality of production of large area TA5 sheet with rib, subtracts reduction report
Useless rate.
, description of the drawings
Fig. 1 is the front view of large area sheet with rib piece of the present invention；
Fig. 2 is the rearview of large area sheet with rib piece of the present invention；
Fig. 3 is the structural schematic diagram of T-type muscle of the present invention；
Fig. 4 is the jigsaw welding groove figure of the present invention；
Fig. 5 is the run-on tab introduction figure of the present invention；
Fig. 6 is the group of the present invention to, spot welding, welding sequence figure；
Fig. 7 is the splice joint sequential schematic of the present invention；
Fig. 8 is the single T-type muscle welding figure of the present invention；
Fig. 9 is the heating region schematic diagram of the present invention；
Figure 10 is the welding figure of the T-type muscle and jigsaw of the present invention；
Figure 11 is T-type muscle welding sequence figure on the tablet of the present invention；
Figure 12 is single T-type muscle welding sequence figure on the tablet of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
The present invention provides a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece as shown in figs. 1-12,
Include the following steps：
The welding of S1, TA5 plate is using with string type briquetting and possessing the plasma bottoming of 10m × 10m operating platforms
The mode of weldering+automatic tungsten anode argon arc welding cosmetic welding, when welding the starting the arc receive arc and must be completed on run-on tab, run-on tab uses 2 pieces
The TA5 planks of same material stack pile, size is 150mm × 100mm, consistent with position while welding, and is welded preceding downward to run-on tab
Carry out reversible deformation measure, such as Fig. 5；
After the completion of S2, TA5 plate welding, it is orthopedic that discovery has local modified areas that should carry out, when deformed region is slightly larger, by plate
Piece is placed on veneer reeling machine and is slightly rolled back and forth, until plate flatness reaches requirement position；Deformed region is that part is small
When range, using fairing by flame principle come local elevated regions are heated, cold-zone process, be allowed to generate part heat expansion it is cold
Contracting phenomenon, and then reach the orthopedic purpose of plate, it is all to be carried out non-destructive testing by orthopedic plate, to ensure plate quality；
S3, T-type muscle are made of panel, web two parts, and for tablet fillet weld pattern, specification 4mm/4mm, welding is adopted
With being hand tungsten argon arc welding, by drawing, foot welding height is respectively 3mm, and fillet weld needs whole full welds, and both ends need to also be into
Row cornerite welds, and arc position >=15mm is received in the starting the arc, and when welding uses a forming technology, such as Fig. 3；
S4, for T-type muscle orthopedic work using firer school type, specially linear heating operation method, this method
It is suitable for the correction of member panel angular deformation, including " double hold together the angular deformation of ruler type " and " thin horse " straightening, main method is quilt
Burn the correction of shape heating, such as Fig. 9；
S5, before group is to T-type muscle and plate, gather the TA5 plates and T-type muscle parts of big specification, it is ensured that group pair
Preceding all components can meet the size, tolerance, shape need of single-piece part, and welding can so be grouped；
The welding of S6, T-type muscle and plate belong to the fillet weld form of square groove, and it is handwork tungsten electrode argon arc that welding, which uses,
Weldering, according to drawing requirement, the foot welding height of 4mm/4mm, 5mm/4mm are 3mm, and T-type muscle weld seam side needs full weld, the other side to need
Intermittent weld (welds 75mm, be spaced 75mm), and all weldering is full in the 150mm of both ends, and carries out cornerite weldering, starting the arc receipts arc position >=15mm,
Entire welding process, using low current, fast welding reduces thermal weld stress amount, such as Figure 10；
When S7, welding T-type muscle and plate, the copper plate that 12mm is padded at the plate back side accelerates cooling, while in T-type muscle panel
On reorder the cast iron pressure code control deformation of system and plate face edge does about 4-5 ° of predeformation measure, for last sheet with rib
Piece closes up butt weld, before all butt weld welding, is both needed on the inside of plate plus along bead direction, the position of close Weld pipe mill
It sets, material is titanium, the strip lacing wire of thickness about 12mm, width 100mm；
S8, entire plate butt weld and T-type muscle carry out it vibration stress relief treatment, plate face bottom four after welding
Circumferential edges add centre position to pad rubber tyre, with 20% degree of eccentricity automatically scanning to 8000 turns, find master and shake 1, attached to shake 2
A, and vibrated by main 2/3 rotating speed to shake of scanning, attached to shake constant, the main time of shaking is no less than 15 minutes, and the attached time of shaking is each many
In 10 minutes；
After S9, oscillating aging, residual stress detection is carried out to it, because residual stress detection is using more practical
" Blind Hole Method " survey stress, belong to destructive testing, still its subsidiary welding witness test plate (panel) is detected, come with this
Judge the effect of vibration stress relief of plate；
Before S10, welding are orthopedic, region to be welded is cleaned out, is stained with third with colourless silk cloth (colourless silk cloth may only be used)
Ketone should be welded except dirts such as grease water, descaling and gettering layers after cleaning out immediately, be needed before otherwise welding again clear
Reason is clean, and the back side is protected using brush high-temperature coatings when orthopedic welding, is dried using less than 100 DEG C flames or naturally dry ensures to apply
Material is not fallen off, and needs to mend swabbing after falling off, there are uneven and local bulges for titanium alloy structure part siding, rectify using sweating heat
The mode of shape and Forced water cooling carries out orthopedic.
Preferably, the welding of TA5 plates is not added with using straight section slope type, gap 0-0.5mm in the step 1
The plasma bottoming of silk, automatic tungsten anode argon arc welding capping, between TA5 alloys welding use TA28 specifications for 1.0~1.2mm, meet
The standard requirement of GB/T3623-2007, such as Fig. 4.
Preferably, TA5 plates welding equipment is the compound jigsaw welding machines of Full-automatic plasma+TIG in the step 1, originally set
The string type briquetting of standby included fixed plate, rush-harvesting and rush-planting power supply and cooling system, match molten bath tracking system, solderable range reaches
10mX10m。
Preferably, welding deformation, all jigsaw are both needed to be welded by specified welding sequence in order to control in the step 1
Connect, 1) Plasma Welding when, welding direction will be welded with spot welding direction in negative direction, such as Fig. 6,2) polylith plate welding
When, smaller plate is first first subjected to welding, finally is carrying out closing up welding, such as Fig. 7.
Preferably, welding residual deformation in order to control in the step S3, especially controls torsional deformation, postwelding is facilitated to carry out
Re-shaping exercise, for this structure with relatively parallel long weld seam of T-type muscle, using " long weld seam is equidirectional when welding
Welding ", and in a plurality of identical T-type muscle welding, two-by-two weld seam it is tight can mutually to put electrode holder, welding region pad red copper accelerate it is cold
But, when welding, using low current, fast welding reduces thermal weld stress amount, and postwelding T-type generates a small amount of directive bending
Deformation, and non-distorted or deflection deformation, facility, such as Fig. 8 are provided for follow-up school shape task.
Preferably, for welding large area T-type sheet with rib piece in the step S6, it is control to select rational welding sequence
An important factor for welding deformation, following principle should be followed by how formulating suitable welding sequence, and 1) so that weld seam is freely received as far as possible
Contracting, for large-scale welding structure, welding should around disperse from centre, so that its weld seam has free shrink, reduce weldering
Scoop out power, 2) the big weld seam of shrinkage should be welded first, due to the maximum weld seam of shrinkage, easy to produce larger welding stress,
It is general relatively freer as well as the contraction of first welding line, therefore the big weld seam of shrinkage first welds in structure, so that it may to subtract
Few stress therein, 3) when existing simultaneously docking with corner connection weld seam in structure, should first weld docking, rear welding angle connects, 4) in structure together
When there are when fillet weld in the vertical position and fillet weld in the flat position, should first weld fillet weld in the vertical position, weld fillet weld in the flat position afterwards.
Preferably, the welding sequence in the step S6 is that first there are how many T-type muscle for determining whole plate on piece first, and
The T-type muscle substantially in centre position is found out, is that initial weld seam welds successively to upper and lower, left and right with center T-type muscle, must not arbitrarily weld
Remaining T-type muscle, such as Figure 11 are connect, when plate exists simultaneously longitudinal T-type muscle and lateral laminate, first welds longitudinal T-type, rear weldering is laterally
Laminate fillet weld, the welding of laminate fillet weld remain from mesosphere board to up and down, left and right welds successively, such as Figure 12, plate
After the completion of upper all T-type muscle welding, carries out sheet edges docking and closes up welding, backstep is carried out to upper and lower among weld seam,
It is double-sided symmetrical to close up butting grooves, and when welding first welds internal groove, after the completion of inner mouth bottoming capping, carries out the lid of outside weld seam
Face has the welding gimmick that T-type muscle and butt weld are all made of backstep to be welded, the long 75mm of every weld seam of fillet weld,
Butt weld every is about 200mm.
Preferably, Vibratory Stress stress equipment is made of host and vibration exciter two large divisions in the step S8, lead to
It crosses power cord to be fitted together, residual stress detection device is detected by residual stress puncher and residual stress in step S9
Instrument two parts form.
Preferably, the concrete scheme of orthopedic processing is 1 in the step S10) on the siding of disqualified upon inspection by special
Industry personnel's light source scanning delimit deformation large area, 2) all orthopedic weldings of welding should be carried out in the face of protrusion and temperature≤
Forced water cooling, thermometric is used to be carried out using point type temperature measurer at 300 DEG C, 3) direction of orthopedic welding is welded along longitudinal stiffener
Direction or vertically carried out with the direction of longitudinal stiffener, 4) welding orthopedic should carry out straight line silk filling using argon arc welding on siding
Weldering is executed by associated welds technique；The speed of welding should be adjusted according to the raised size of plate, and protrusion is larger to answer accordingly
Slowly, increasing welding current, the short welding bead in the long welding bead both sides in center may be used in raised critical regions, and to carry out welding orthopedic, but
Same welding bead does not allow the welding more than three times, 5) welding region, the polishing of the welding back side (must not be used angular after welding is orthopedic
Grinding wheel) it is flushed with base material, and polishing region is as narrow as possible (only to weld seam and melt run part), and 6) by the way of local sandblasting
Confirm qualification to orthopedic region plate inner and outer surfaces sandblasting, and by company reviewer.
Table 1 is welding residual stress testing result in step S9
Operation principle：By the STUDY ON THE WELDING to large area TA5 sheet with rib, from novel welding equipment, meet work
The tooling of skill production requirement, suitable welding sequence and final welding school shape and elimination residual stress process etc., welding
The mechanical stability of equipment and each item data can be up to standard afterwards, it is determined that the feasibility of TA5 large area sheet with rib welding, basic energy
Meet being required for device structure part, from different joint forms, the formulation of welding sequence, welding anti-deformation measure, welding
It is orthopedic and full wafer vibration stress relief treatment is carried out to it, for deform it is larger using weld orthopedic technique carry out it is orthopedic, from
And obtain the small big-size thinning plastic TA5 sheet with rib pieces of excellent mechanical property, deflection.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (9)
1. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece, which is characterized in that include the following steps：
The welding of S1, TA5 plate using with string type briquetting and possess the plasma backing weldings of 10m × 10m operating platforms+from
The mode of dynamic argon tungsten-arc welding cosmetic welding, arc is received in the starting the arc when welding to be completed on run-on tab, and run-on tab uses 2 pieces of same materials
The TA5 planks of stack pile, size is 150mm × 100mm, consistent with position while welding, and is carried out downwards to run-on tab before welding anti-
Deformation measure；
After the completion of S2, TA5 plate welding, it is orthopedic that discovery has local modified areas that should carry out, and when deformed region is slightly larger, plate is put
It sets and is slightly rolled back and forth on veneer reeling machine, until plate flatness reaches requirement position；Deformed region is local small range
When, using fairing by flame principle come local elevated regions are heated, cold-zone process, be allowed to generate expanding with heat and contract with cold for part existing
As, and then reach the orthopedic purpose of plate, and it is all to be carried out non-destructive testing by orthopedic plate, to ensure plate quality；
S3, T-type muscle are made of panel, web two parts, are tablet fillet weld pattern, specification 4mm/4mm, welding, which uses, is
Hand tungsten argon arc welding, by drawing, foot welding height are respectively 3mm, and fillet weld needs whole full welds, and both ends also need to be wrapped
Arc position >=15mm is received in fillet welding, the starting the arc, and when welding uses a forming technology；
S4, for T-type muscle orthopedic work using firer school type, specially linear heating operation method, this method is suitble to
In the correction of member panel angular deformation, including " double hold together the angular deformation of ruler type " and " thin horse " straightening, main method are by burning shape
Heating is corrected；
S5, before group is to T-type muscle and plate, gather the TA5 plates and T-type muscle parts of big specification, it is ensured that group is to preceding institute
Some components can meet the size, tolerance, shape need of single-piece part, and welding can so be grouped；
The welding of S6, T-type muscle and plate belong to the fillet weld form of square groove, and it is hand tungsten argon arc welding, root that welding, which uses,
According to drawing requirement, the foot welding height of 4mm/4mm, 5mm/4mm are 3mm, and T-type muscle weld seam side needs full weld, the other side to need to be interrupted
Weldering (welds 75mm, be spaced 75mm), and all weldering is full in the 150mm of both ends, and carries out cornerite weldering, starting the arc receipts arc position >=15mm, entirely
Welding process, using low current, fast welding reduces thermal weld stress amount；
When S7, welding T-type muscle and plate, the copper plate that 12mm is padded at the plate back side accelerates cooling, while adding on T-type muscle panel
The cast iron pressure code control deformation of customization and plate face edge do about 4-5 ° of predeformation measure, and last sheet with rib piece is closed
Hold together butt weld, before all butt weld welding, be both needed to add on the inside of plate along bead direction, the position of close Weld pipe mill,
Material is titanium, the strip lacing wire of thickness about 12mm, width 100mm；
S8, entire plate butt weld and T-type muscle carry out it vibration stress relief treatment, plate face bottom surrounding after welding
Edge adds centre position to pad rubber tyre, with 20% degree of eccentricity automatically scanning to 8000 turns, finds master and shakes 1, attached to shake 2, and
It is vibrated by main 2/3 rotating speed to shake of scanning, attached to shake constant, the main time of shaking is no less than 15 minutes, and the attached time of shaking respectively is no less than 10
Minute；
After S9, oscillating aging, residual stress detection is carried out to it, because residual stress detection is using more practicality
" Blind Hole Method " surveys stress, belongs to destructive testing, still its subsidiary welding witness test plate (panel) detected, sentenced with this
The effect of vibration stress relief of disconnected plate；
Before S10, welding are orthopedic, region to be welded is cleaned out, acetone is stained with colourless silk cloth (colourless silk cloth may only be used) and removes
The dirts such as grease water, descaling and gettering layer should weld immediately after cleaning out, and need to clear up again before otherwise welding dry
Only, the back side is protected using brush high-temperature coatings when orthopedic welding, ensures coating not using less than 100 DEG C flame drying or naturally dry
It falls off, needs to mend swabbing after falling off, titanium alloy structure part siding is orthopedic simultaneously using sweating heat there are uneven and local bulge
The mode of Forced water cooling carries out orthopedic.
2. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece according to claim 1, feature exist
In：The welding of TA5 plates is using straight section slope type in the step 1, gap 0-0.5mm, and the plasma for being not added with silk is beaten
Bottom, automatic tungsten anode argon arc welding capping, between TA5 alloys welding use TA28 specifications for 1.0~1.2mm, meet GB/T3623-2007
Standard requirement.
3. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece according to claim 1, feature exist
In：TA5 plates welding equipment is the compound jigsaw welding machines of Full-automatic plasma+TIG in the step 1, this equipment carries fixed plate
The string type briquetting of piece, rush-harvesting and rush-planting power supply and cooling system, match molten bath tracking system, and solderable range reaches 10mX10m.
4. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece according to claim 1, feature exist
In：Welding deformation, all jigsaw are both needed to be welded by specified welding sequence in order to control in the step 1, and 1) plasma weldering
When connecing, welding direction will be welded with spot welding direction in negative direction, 2) first that smaller plate is advanced when polylith plate welding
Row welding finally is carrying out closing up welding.
5. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece according to claim 1, feature exist
In：Welding residual deformation in order to control in the step S3, especially controls torsional deformation, and postwelding is facilitated to carry out re-shaping exercise, right
Using " the long equidirectional welding of weld seam " when this structure with relatively parallel long weld seam of T-type muscle, welding, and
In a plurality of identical T-type muscle welding, it is tight can mutually to put electrode holder for weld seam two-by-two, and welding region pads red copper and accelerates cooling, when welding, adopts
With low current, fast welding reduces thermal weld stress amount, and postwelding T-type generates a small amount of directive flexural deformation, and non-distorted
Or deflection deformation, provide facility for follow-up school shape task.
6. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece according to claim 1, feature exist
In：For welding large area T-type sheet with rib piece in the step S6, it is to control the weight of welding deformation to select rational welding sequence
Factor is wanted, following principle should be followed by how formulating suitable welding sequence, and 1) make weld seam free shrink as far as possible, to large-scale weldering
For binding structure, welding should around disperse from centre, so that its weld seam has free shrink, reduction welding stress, 2) it shrinks
Measuring big weld seam should first weld, and due to the maximum weld seam of shrinkage, easy to produce larger welding stress, as well as first welding
The contraction of weld seam, it is general relatively freer, therefore the big weld seam of shrinkage first welds in structure, so that it may to reduce stress therein,
3) when existing simultaneously docking and corner connection weld seam in structure, should first weld docking, rear welding angle connects, 4) fillet weld in the vertical position is existed simultaneously in structure
When with fillet weld in the flat position, fillet weld in the vertical position should be first welded, welds fillet weld in the flat position afterwards.
7. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece according to claim 1, feature exist
In：Welding sequence in the step S6 is that first there are how many T-type muscle for determining whole plate on piece first, and find out substantially in
Between position T-type muscle, with center T-type muscle be initial weld seam to up and down, left and right weld successively, must not arbitrarily weld remaining T-type muscle,
When plate exists simultaneously longitudinal T-type muscle and lateral laminate, longitudinal T-type, the lateral laminate fillet weld of rear weldering, laminate angle are first welded
The welding of weld seam is remained welds successively from mesosphere board to upper and lower, left and right, on plate after the completion of all T-type muscle welding, carries out
Welding is closed up in sheet edges docking, and backstep is carried out to upper and lower among weld seam, and it is double-sided symmetrical, welding to close up butting grooves
When first weld internal groove, after the completion of inner mouth bottoming capping, carry out the capping of outside weld seam, there is T-type muscle and butt weld to adopt
It is welded with the welding gimmick of backstep, the long 75mm of every weld seam of fillet weld, butt weld every is about 200mm.
8. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece according to claim 1, feature exist
In：Vibratory Stress stress equipment is made of host and vibration exciter two large divisions in the step S8, by power cord by its
It fits together, residual stress detection device is by residual stress puncher and residual stress detector two parts group in step S9
At.
9. a kind of manufacturing process of big-size thinning plastic TA5 alloy strip T-type gusset piece according to claim 1, feature exist
In：The concrete scheme of orthopedic processing is 1 in the step S10) it is swept by professional's light source on the siding of disqualified upon inspection
Retouch delimitation deformation large area, 2) all orthopedic weldings of welding should be carried out in the face of protrusion and be used at temperature≤300 DEG C
Forced water cooling, thermometric are carried out using point type temperature measurer, 3) direction of the orthopedic welding of welding along longitudinal stiffener direction or hang down
Directly being carried out with the direction of longitudinal stiffener, 4) welding is orthopedic to carry out straight line landfilling area on siding using argon arc welding, it presses related
Welding procedure executes；The speed of welding should be adjusted according to the raised size of plate, protrusion is larger accordingly to slow down,
Increase welding current, the short welding bead in the long welding bead both sides in center may be used in raised critical regions, and to carry out welding orthopedic, but same welding bead
Do not allow the welding more than three times, 5) by welding region after welding is orthopedic, welding back side polishing (must not use angular grinding wheel) and
Base material flushes, and polishing region is as narrow as possible (only to weld seam and melt run part), 6) to orthopedic by the way of local sandblasting
Region plate inner and outer surfaces sandblasting, and qualification is confirmed by company reviewer.
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| CN110479767A (en) * | 2019-09-06 | 2019-11-22 | 安徽马钢重型机械制造有限公司 | A kind of straightening machine base and production method |
| CN110757020A (en) * | 2019-10-29 | 2020-02-07 | 航宇救生装备有限公司 | Method for correcting residual deformation of large-scale hard aluminum thin-wall pipe frame structure after welding |
| CN111687517A (en) * | 2020-04-29 | 2020-09-22 | 海洋石油工程（青岛）有限公司 | Process method for correcting linearity of stainless steel pipeline by welding |
| CN113714602A (en) * | 2021-09-15 | 2021-11-30 | 江南造船(集团)有限责任公司 | Automatic fillet welding process for assembly part |
| CN114211214A (en) * | 2022-02-21 | 2022-03-22 | 中国空气动力研究与发展中心高速空气动力研究所 | Wind tunnel complex curved surface contraction section forming method |
| CN114260572A (en) * | 2021-12-13 | 2022-04-01 | 上海第一机床厂有限公司 | Welding method for nuclear fuel transfer equipment box body |
| CN114535885A (en) * | 2022-04-12 | 2022-05-27 | 中国三峡建工(集团)有限公司 | Weak constraint welding process for large disc support |
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