CN106513932A - Rapid forming method for laminated composite structure - Google Patents
Rapid forming method for laminated composite structure Download PDFInfo
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- CN106513932A CN106513932A CN201611147108.9A CN201611147108A CN106513932A CN 106513932 A CN106513932 A CN 106513932A CN 201611147108 A CN201611147108 A CN 201611147108A CN 106513932 A CN106513932 A CN 106513932A
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- composite structure
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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
- B23K9/00—Arc welding or cutting
- B23K9/04—Welding for other purposes than joining, e.g. built-up welding
- B23K9/042—Built-up welding on planar surfaces
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- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc Welding In General (AREA)
Abstract
The invention discloses a rapid forming method for a laminated composite structure. The rapid forming method comprises the steps of firstly, dissecting a three-dimensional model of a composite structure comprising a base layer and a composite layer by using a computer to form lamella sections corresponding to all structural layers; setting each layer of section to be composed of filling straight lines and setting an ending point of a route of each layer of section as a starting point of a route of the next layer of section to generate a route file of each structural layer of the composite structure; and inputting the lamella sections to arc welding equipment, and carrying out formation by welding layer by layer from bottom to top to produce the laminated composite structure. The method disclosed by the invention can be used for producing the large-sized and multilayer composite structure, increasing the raw material utilization ratio and remarkably reducing the production cost, is short in production period and high in production efficiency and has obvious advantages on the aspect of customized production.
Description
Technical field
The invention belongs to increases material manufacturing technology field, and in particular to a kind of layered composite structure quick forming method.
Background technology
Layered composite structure combines the material of heterogeneity, with special mechanical property and physics, chemical property,
The equipment manufacture industries such as oil, chemical industry, colliery, electrician have extensive prospect of the application, thus are increasingly subject to product design people
The concern of member.Traditional composite construction manufacture method includes two kinds, and a kind of is from composite board well prepared in advance, bar, pipe
The workpiece of required form, size is cut out on the blank of material, and a kind of is layered composite structure to be carried out once using mould
Shaping.
The shortcoming of traditional machining manufacture method is, on the one hand, the machining of part is typically to subtract material manufacture, is made
Into the waste of material, do not possess economy；On the other hand, casting cannot still prepare high-quality big thickness blank at present
And MULTILAYER COMPOSITE blank, this restrict the manufacture of layered composite structure product.And the shortcoming of traditional once-forming manufacture method is,
The once-forming of part needs to complete in a mold, and die manufacturing cost is high, the long the production cycle of product, and composite construction interface
Adhesion is low, limits the use range of composite construction.
The content of the invention
It is an object of the invention to provide a kind of layered composite structure quick forming method, can prepare high-quality composite junction
Structure, solves the problems, such as that classical production process high cost, cycle are long.
The technical solution adopted in the present invention is that a kind of layered composite structure quick forming method is comprised the following steps：
Step 1, carries out subdivision to the threedimensional model of the composite construction comprising basic unit and cladding using computer, forms each
The corresponding thin layer section of structure sheaf；
Step 2, per layer of section of setting form the path of welding of this layer, the knot in per layer of section path by filling rectilinear(-al)
Tail point is the starting point in next layer of section path, and in making whole forming process, electric arc is uninterrupted, generates each structure sheaf of composite construction
Path file；
Step 3, by the path file of each structure sheaf input arc welding equipment, determined according to the design of material of composite construction
The silk material that each structure sheaf is used when shaping；
Step 4, the welding parameter for setting each structure sheaf；
Step 5, to layered composite structure according to cladding after first basic unit forming sequence, successively welding forming from bottom to top,
Prepared layered composite structure.
The characteristics of of the invention, also resides in：
In step 1, the thickness of per layer of section is 0.5-3mm.
In step 2, the amount of bias of per layer of section filling straight line is 3-7mm.
In the welding parameter of step 4, wire vent speed is 3.0-5.5m/min, and welding gun movement velocity is 10-18mm/s.
In step 5 forming process, it is 200-400 DEG C to control the interlayer temperature between the basic unit of composite construction and cladding.
In step 5 forming process, using argon gas as shielding gas, gas flow is 20-30ml/min.
The invention has the beneficial effects as follows, preparation method of the present invention is capable of achieving thickness 100mm above large scales lamellar composite knot
The manufacture of structure；Meanwhile, it is capable of achieving the manufacture of multi-layer compound structure.The inventive method can directly manufacture the lamellar composite of labyrinth
Structure, increases raw material utilization rate, significantly reduces production cost；And the manufacturing cycle is short, production efficiency is high, opening in new product
Send out, customize producer face and there is obvious advantage.
Description of the drawings
Fig. 1 is the structural representation of 1 composite construction electrical contact of the embodiment of the present invention.
In figure, 1. basic unit, 2. cladding.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description, but the present invention is not limited to
These embodiments.
Embodiment 1
By taking the manufacture of certain composite construction electrical contact as an example, the present invention is described in detail, and the composite construction basic unit is Cu,
Height 60mm, cladding are TiCP- Cu, height 45mm, its structural representation is as shown in Figure 1.Its technical scheme specifically include with
Lower step：
Step 1, threedimensional model subdivision straticulation section from bottom to top in a computer respectively to basic unit 1 and cladding 2, point
She Zhi slice thickness be not 3mm in basic unit 1, in cladding 2, slice thickness is 0.6mm.
, by filling rectilinear(-al), straight line amount of bias is 3mm for step 2, per layer of section of setting, the weldering of these lines composition electric arcs
Connect path.The ending point in per layer of section path is the starting point in next layer of section path, between making in whole forming process electric arc not
It is disconnected, to avoid forming defects, generate the path file of each layer of composite construction.
Step 3, by basic unit's path file and cladding path file input ABB welding robots in, select basic unit shaping material
Expect for ERCu silk materials, cladding moulding material is TiCP- Cu silk materials.
Step 4, the welding parameter of setting basic unit, wherein wire vent speed are 4m/min, and welding gun movement velocity is 15mm/s, is welded
It is 130A to connect electric current, and weldingvoltage is 15V, sets the welding parameter of cladding, and wherein wire vent speed is 3m/min, and welding gun moves fast
Spend for 16mm/s, welding current is 110A, and weldingvoltage is 12V.
Step 5, the welding of setting basic unit and cladding are arc welding, and forming sequence is cladding after basic unit of elder generation, from lower
On successively welding forming.In forming process, the interlayer temperature for controlling basic unit with cladding is 400 DEG C, and adopts 99.99% high-purity argon
Used as shielding gas, gas flow is 20ml/min.
Contact structure cladding Vickers hardness obtained by the present embodiment is more than 280HV, electrical conductivity 4.87 × 103S/m,
Keep while excellent electric conductivity, improving the wearability of contact, extend its service life.
Embodiment 2
By taking the manufacture of certain composite construction electrical contact as an example, the present invention is described in detail, and the composite construction basic unit is
Cu, height 75mm, cladding are TiB2- Cu, height 45mm, its structural representation is as shown in Figure 1.Its technical scheme is specifically included
Following steps：
Step 1, threedimensional model subdivision straticulation section from bottom to top in a computer respectively to basic unit 1 and cladding 2, point
She Zhi slice thickness be not 2mm in basic unit 1, in cladding 2, slice thickness is 0.5mm.
, by filling rectilinear(-al), straight line amount of bias is 7mm for step 2, per layer of section of setting, the weldering of these lines composition electric arcs
Connect path.The ending point in per layer of section path is the starting point in next layer of section path, between making in whole forming process electric arc not
It is disconnected, to avoid forming defects, generate the path file of each layer of composite construction.
Step 3, the basic unit moulding material will be selected in basic unit's path file and cladding path file input welding robot to be
ERCu silk materials, cladding moulding material are TiB2- Cu silk materials.
Step 4, the welding parameter of setting basic unit, wherein wire vent speed are 4m/min, and welding gun movement velocity is 10mm/s, is welded
Electric current is connect for 130A, weldingvoltage is 15V, set the welding parameter of cladding, wherein wire vent speed is 5.5m/min, welding gun motion
Speed is 18mm/s, and welding current is 230A, and weldingvoltage is 27V.
Step 5, basic unit, cladding are set as arc welding, forming sequence is cladding after first basic unit, successively welds from bottom to top
Shaping.In forming process, the interlayer temperature for controlling basic unit with cladding is 200 DEG C, and using 99.99% high-purity argon as protection
Gas, gas flow are 30ml/min.
The composite construction cladding Vickers hardness obtained by the present embodiment is more than 270HV, electrical conductivity 4.96 × 103S/m,
Keep while excellent electric conductivity, improving the wearability of the composite construction, extend its service life.
Claims (6)
1. a kind of layered composite structure quick forming method, it is characterised in that comprise the following steps：
Step 1, carries out subdivision to the threedimensional model of the composite construction comprising basic unit and cladding using computer, forms each structure
The corresponding thin layer section of layer；
Step 2, per layer of section of setting form the path of welding of this layer, the ending point in per layer of section path by filling rectilinear(-al)
For the starting point in next layer of section path, in making whole forming process, electric arc is uninterrupted, generates the road of each structure sheaf of composite construction
Footpath file；
Step 3, by the path file of each structure sheaf input arc welding equipment, each is determined according to the design of material of composite construction
The silk material that structure sheaf is used when shaping；
Step 4, the welding parameter for setting each structure sheaf；
Step 5, to layered composite structure according to cladding after first basic unit forming sequence, successively welding forming, is obtained from bottom to top
Layered composite structure.
2. layered composite structure quick forming method according to claim 1, it is characterised in that cut for per layer described in step 1
The thickness of piece is 0.5-3mm.
3. layered composite structure quick forming method according to claim 1, it is characterised in that cut for per layer described in step 2
The amount of bias of piece filling straight line is 3-7mm.
4. layered composite structure quick forming method according to claim 1, it is characterised in that welding ginseng described in step 4
In number, wire vent speed is 3.0-5.5m/min, and welding gun movement velocity is 10-18mm/s.
5. layered composite structure quick forming method according to claim 1, it is characterised in that shaped described in step 5
Cheng Zhong, it is 200-400 DEG C to control the interlayer temperature between the basic unit of composite construction and cladding.
6. layered composite structure quick forming method according to claim 1, it is characterised in that shaped described in step 5
Cheng Zhong, using argon gas as shielding gas, gas flow is 20-30ml/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611147108.9A CN106513932A (en) | 2016-12-13 | 2016-12-13 | Rapid forming method for laminated composite structure |
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| CN201611147108.9A CN106513932A (en) | 2016-12-13 | 2016-12-13 | Rapid forming method for laminated composite structure |
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| CN201611147108.9A Pending CN106513932A (en) | 2016-12-13 | 2016-12-13 | Rapid forming method for laminated composite structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893502A (en) * | 2019-12-09 | 2020-03-20 | 北京理工大学 | Electric arc additive manufacturing method of aluminum alloy gradient structural member |
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Patent Citations (7)
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| US6940037B1 (en) * | 2003-08-25 | 2005-09-06 | Southern Methodist University | System and method for controlling welding parameters in welding-based deposition processes |
| CN102962451A (en) * | 2012-10-22 | 2013-03-13 | 华中科技大学 | Electromagnetic flexible composite deposition direct preparation forming method of multifunctional gradient component |
| CN102962547A (en) * | 2012-11-23 | 2013-03-13 | 首都航天机械公司 | Manufacturing method of arc additive of titanium alloy structural part |
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| CN105945281A (en) * | 2016-05-09 | 2016-09-21 | 华中科技大学 | Deposition forming manufacturing method of parts and molds |
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Address after: 710075 No. 1000 Shanglinyuan No. 7 Road, Xi'an High-tech Zone, Shaanxi Province Applicant after: Xi'an platinum power technology Limited by Share Ltd Address before: 710075 A0508, pioneer Plaza, 48 tech Road, Xi'an new high tech Zone, Shaanxi Applicant before: Xi'an Bright Laser Technology Ltd. |
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Application publication date: 20170322 |