CN105689641A - Digital moldless casting island - Google Patents

Digital moldless casting island Download PDF

Info

Publication number
CN105689641A
CN105689641A CN201510978823.6A CN201510978823A CN105689641A CN 105689641 A CN105689641 A CN 105689641A CN 201510978823 A CN201510978823 A CN 201510978823A CN 105689641 A CN105689641 A CN 105689641A
Authority
CN
China
Prior art keywords
sand
sand mold
mold
digitized
casting
Prior art date
Application number
CN201510978823.6A
Other languages
Chinese (zh)
Other versions
CN105689641B (en
Inventor
单忠德
刘丽敏
刘丰
Original Assignee
机械科学研究总院先进制造技术研究中心
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 机械科学研究总院先进制造技术研究中心 filed Critical 机械科学研究总院先进制造技术研究中心
Priority to CN201510978823.6A priority Critical patent/CN105689641B/en
Publication of CN105689641A publication Critical patent/CN105689641A/en
Application granted granted Critical
Publication of CN105689641B publication Critical patent/CN105689641B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/02Sand moulds or like moulds for shaped castings

Abstract

The invention provides a digital moldless casting island. The digital moldless casting island comprises a sand blank buffer area, a sand mold flexible extrusion preforming area, a sand mold digital cutting area, a sand mold spraying area, a casting mold assembly area, an automatic material transfer system and a central control system, wherein the sand blank buffer area is provided with a sand blank storage rack for storing sand blanks to be machined; the sand mold flexible extrusion preforming area is provided with a sand mold digital flexible extrusion forming machine capable of realizing flexible extrusion of sand molds to obtain preformed sand molds; the sand mold digital cutting area is provided with a digital moldless casting precise forming machine capable of cutting the sand blanks or the preformed sand molds to final sand molds/cores; the sand mold spraying area is provided with automatic paint spraying equipment capable of finishing automatic surface spraying of the sand molds; and the casting mold assembly area is provided with automatic sand mold/core assembly equipment capable of finishing automatic assembly of the sand molds/cores. The digital moldless casting island adopts multiple intelligent and digital equipment, is high in production efficiency, is high in quality and size precision of obtained castings, and solves such problems as molding sand waste and longer shaping period caused by high machining allowance in cutting of the sand molds.

Description

Digitized containerless casting island

Technical field

The present invention relates to casting technology field, relate more specifically to the system integration of each operation intelligence equipment in a kind of containerless casting technique。

Background technology

Casting is one of most important forming technology, is infrastructural industry for the national economy。Being both needed to foundry goods from automobile, lathe to Aero-Space, defence and military and daily life, automobile casting is more than 24%, and lathe, hydraulic pressure pump valve and universal machine foundry goods heavily account for 65~80%。Continuous 12 years the first in the world of China's casting output, 30,000 Duo Jia Foundry Works more than 200 ten thousand people workings, within 2013, more than 40,000,000 tons, annual value of production crosses 500,000,000,000 yuan。But China's conventional casting techniques falls behind, labor intensity is big, cycle length, cost are high, casting accuracy is low。Especially the casting dimension that motor cylinder block cylinder cap, aero-engine, crankshaft used for large boat, propeller etc. are badly in need of is big, complex-shaped, wall thickness is greatly different, casting mold manufacture difficulty is big, system need to be turned over tens sets or even tens molds, dimensional accuracy is difficult to ensure card, even some good structural designs cannot moulding, become the exploitation of the Important Project such as defence and military, Aero-Space, Grand Equipments and innovative technology bottleneck。

The Rapid Manufacturing Technology developed rapidly in recent years can solve, because of it, the various problems that conventional casting technologies brings preferably, especially the most obvious in the quick manufacture view advantage of the intricate casting such as engine cylinder-body, cylinder cap, is widely used。Wherein applying maximum is non die-casting type Rapid Manufacturing Technology, this technology eliminates Making mold link, sand lump is directly processed, and the manufacturing cycle significantly reduces, and not only makes the selection of die joint have greater flexibility, it is more easy to and realizes modeling scheme variation, thus increasing substantially the precision of intricate casting, alleviating blank weight, shortening the construction cycle of new product, reduce development cost, be the optimal solution of trial production of new products。But this technology needs to machine away a large amount of molding sand in the sand lump course of processing, cause molding sand waste and extend process time, slow down the popularization and application of industry。Therefore it is badly in need of organically combining sand mold cutting technology with novel quick preform technique, to reduce the molding sand waste that sand mold cutting brings, and shortens the Casting mold manufacturing cycle further。

Additionally, the restriction backward in technique owing to being subject to the aspect such as foundry engieering and casting equipment, China is bigger with developed country's gap in the casting digital intelligent of large-scaled complex castings, in most enterprises castings production flow process, only moulding operation substantially carries out automatization, coremaking operation part realizes semi-automation, and other operation is more is dependent on manual operations;Process data is substantially by manually gathering, it does not have form systematization, intellectuality, and production efficiency is low, and product quality is uncontrolled, causes the percent defective of foundry goods up to more than 10%。For this, urgent need to be developed based on the sand mold extruding of non die-casting type Rapid Manufacturing Technology and the system integration of shaping by stock removal equipment, lower core and the intelligent apparatus such as core assembly mechanical hand or automatic material flow dolly, to realize digitized and the intellectuality of the whole process links such as moulding in large-scaled complex castings Foundry Production, coremaking, group type/core, melting, mould assembling cast, and then making that casting accuracy is high, surface quality is good, raw material, energy resource consumption are low。

Summary of the invention

It is desirable to provide a kind of digitized containerless casting island, this containerless casting island is based on all intelligence equipments integrated manufacturing casting mold without mould fast shaping technology, during large complicated new product development can by containerless casting island complete with or without all process steps of mould quick manufacturing process。Can be solved by this containerless casting island during the exploitation of the industry key complex parts autonomy-oriented such as China's automobile, Aero-Space that the energy resource consumption of prior art is high, production efficiency is low, poor product quality, the bottleneck problems such as dimensional accuracy is low, intelligent and level of digital is low。It addition, when digitized containerless casting island provided by the invention can also solve sand mold cutting, allowance is big and the molding sand waste that brings and the problem such as the moudling cycle is relatively long。

Specifically, the invention provides a kind of digitized containerless casting island, including: sand base buffer area, it is provided with sand base storage rack, for depositing the sand base of generation processing by different size specification;Sand mold flexibility extruding preform district, is provided with sand mold digitized flexibility extrusion moulding machine, for realizing the digitized flexibility extruding preform of sand mold, obtains the preform sand mold close to final sand mold;Sand mold digitized machining district, is provided with digitized containerless casting precision form machine, for sand base or preformed sand mold numerical control cutting are processed into final sand mold/core;Sand mold spraying area, is provided with automatic paint spraying apparatus, has been used for the coating of the sand mold needing surface spraying coating is sprayed automatically;Casting mold assembles district, is provided with sand mold/core automatic assembly equipment, has been used for the automatic assembling of sand mold/core, has obtained final casting mold;The automatic movement system of material, is provided with automatic material dolly, for realizing the not transhipment between same district of sand base, sand mold, core;Central control system, this system with each device talk, can control the operation of each equipment and realize the work of each equipment coordination, and monitors the state of each equipment。

Further, also include sand mold Sanding Area, be provided with sand mold automatically grinding equipment, for the mould surface having sprayed coating is carried out automatically grinding, make coating surface smooth。

Further, also include sand mold cutting print zone, be provided with sand mold cutting printing integratedization equipment, for selecting sand mold/core numerical control cutting to shape according to processed sand mold/core complexity or sand mold/core inkjet printing shaping。

Further, also include sand mold 3D print zone, be provided with sand mold ink jet printing device and the laser sintered equipment of sand mold, for the 3D printing-forming of complicated sand core。

Further, also include roughing sand buffer area, be used for depositing roughing sand。

Further, also include casting mold buffer area, process casting mold to be cast for depositing。

Further, described automatic material dolly can be AGV automatic vehicle, equipped with mechanical arm on dolly, it is possible to achieve sand base, sand mold, core automatic transporting。

Further, described sand mold flexibility extrusion moulding machine and digitized containerless casting precision form machine can adopt same three-dimensional CAD model to drive and generate distinct program respectively, it is achieved the coupling that sand mold extruding preform and machining shape eventually。

Further, described automatic paint spraying apparatus, it is possible to adopt industrial machine robot end clamping spray gun automatically to carry out spray painting。

Further, described sand mold/core automatic assembly equipment, including assembly platform and industrial robot, industrial robot carries out casting mold assembling by special fixture clamping sand mold and core on assembly platform。

Further, described sand mold/core automatic assembly equipment includes sand mold dimensional accuracy automatic detection device, and the assembly precision for the sand mold/core in casting mold assembling process detects automatically。

According to technical scheme, adopt the automation equipment on this digitized containerless casting island can complete with or without all process steps of mould quick manufacturing process, production efficiency can be greatly improved, casting quality and dimensional accuracy can be effectively controlled, and can realize intellectuality and the digitized of whole piece containerless casting production line simultaneously。Additionally, according to technical scheme, owing to the present invention is based on without mould Rapid Prototyping technique, namely sand mold shapes by extruding machining, or sand mold is 3D printing-forming, when thus solving sand mold cutting, allowance is big and the molding sand waste that brings and the problem such as the moudling cycle is relatively long。

Accompanying drawing explanation

The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention。In the accompanying drawings:

Fig. 1 illustrates the layout schematic diagram on the digitized containerless casting island of the present invention;

Fig. 2 illustrates the flow chart on the digitized containerless casting island of the present invention。

Specific embodiment

Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented。

The automation equipment on the digitized containerless casting island of the present invention specifically includes that (1) sand mold digitized flexibility extrusion moulding machine, (2) digitized containerless casting precision form machine, (3) sand mold cutting printing integratedization equipment, (4) sand mold ink jet printing device, the laser sintered equipment of (5) sand mold, (6) automatic material dolly, (7) paint spraying apparatus, (8) sand mould automatic assembly equipment, (9) sand mold grinding apparatus automatically。

(1) sand mold digitized flexibility extrusion moulding machine, its Main Function is that the molding sand being blended carries out extruding preform, to obtain the preform sand mold of final sand mold。Being specially after making corresponding molding sand according to cast casting process program, sand mold digitized flexibility extrusion moulding machine carries out the extruding preform of sand base under three-dimensional CAD model drives。

(2) digitized containerless casting precision form machine, its Main Function is that machining quick for sand mold blank, accurate becomes required sand mold and core under three-dimensional CAD model drives。

(3) sand mold cutting printing integratedization equipment, its Main Function is in order to pass through to print or cut into required sand mold and core by the molding sand being blended under three-dimensional CAD model drives。

(4) sand mold ink jet printing device, for the 3D printing-forming of complicated sand mold/core。

(5) the laser sintered equipment of sand mold, for the 3D printing-forming of complicated sand mold/core。

(6) automatic material dolly, its Main Function is station to be processed or workbench position that sand base, sand mold and core are accurately delivered to subsequent processing。

(7) automatic paint spraying apparatus, its Main Function is that the sand mold needing surface spraying coating is sprayed automatically。

(8) sand mold/core automatic assembly equipment, including industrial robot and sand mold dimensional accuracy automatic detection device, its Main Function is that industrial robot passes through special fixture clamping sand mold and core carries out casting mold assembling on assembly platform。The assembly precision of the sand mold/core in casting mold assembling process is detected by sand mold dimensional accuracy automatic detection device automatically。

(9) sand mold automatically grinding equipment, its Main Function is that the mould surface sprayed is carried out automatically grinding process, makes coating surface smooth。

Referring to the digitized containerless casting island layout shown in Fig. 1, digitized containerless casting island provided by the present invention divides by region, and (I) sand base buffer area, (II) sand base flexibility can be divided into extrude preform district, (III) sand mold digitized machining district, (IV) sand mold cutting print zone, (V) sand mold 3D print zone, (VI) sand mold spraying area, (VII) sand mold Sanding Area, (VIII) casting mold assembling district, (Ⅸ) roughing sand buffer area, (Ⅹ) casting mold buffer area。

(I) sand base buffer area, is provided with sand base storage rack, for depositing the sand base of generation processing by different size specification;

(II) sand base flexibility extruding preform district, capital equipment is sand mold digitized flexibility extrusion moulding machine, for realizing the extruding preform to sand mold blank to be processed。

(III) sand mold digitized machining district, capital equipment is digitized containerless casting precision form machine, in order to machining quick for sand mold blank, accurate to become required sand mold and core。

(IV) sand mold cutting print zone, capital equipment is sand mold cutting printing integratedization equipment, in order to pass through to print or cut into required sand mold and core by the molding sand being blended。

(V) sand mold 3d print zone, capital equipment is sand mold ink jet printing device and the laser sintered equipment of sand mold, has been used for the 3d printing-forming of complicated sand core。

(VI) sand mold spraying area, capital equipment is automatic paint spraying apparatus, in order to the sand mold needing surface spraying coating to be sprayed automatically。

(VII) sand mold Sanding Area, capital equipment is sand mold automatically grinding equipment, in order to the mould surface sprayed is carried out automatically grinding process, makes coating surface smooth。

(VIII) casting mold assembles district, capital equipment is sand mold/core automatic assembly equipment, including industrial robot and sand mold dimensional accuracy automatic detection device, its Main Function is that industrial robot passes through special fixture clamping sand mold and core carries out casting mold assembling on assembly platform。Sand mold dimensional accuracy automatic detection device detects automatically in order to the assembly precision completing the sand mold/core in casting mold assembling process。

(Ⅸ) roughing sand buffer area, in order to deposit roughing sand。

(Ⅹ) casting mold buffer area, processes casting mold to be cast for depositing。

Referring to the digitized containerless casting island process chart shown in Fig. 2, the digitized containerless casting island technological process of the present invention is: under the driving of central control system, each automation equipment is step even running in order successively, specific as follows:

(1) foundry goods casting mold is after Design of digital completes, and makes corresponding molding sand according to its process program, then determines that sand mold/core is extruding shaping by stock removal, prints shaping by stock removal or print thermal sintering according to casting mold complexity。

(2) sand mold/core extruding shaping by stock removal: sand mold digitized flexibility extrusion moulding machine completes the extruding preform of sand mold/core under three-dimensional CAD model drives, then digitized containerless casting precision form machine completes the cutting shaping eventually of sand mold/core under same three-dimensional CAD model drives。

(3) sand mold/core prints shaping by stock removal: print cutting integration apparatus by sand mold and the molding sand Digital manufacturing being blended is become required sand mold/core。

(4) sand mold/core prints thermal sintering: sand mold/core needed for being become by the molding sand Digital manufacturing being blended by the laser sintered equipment of sand mold ink jet printing device and sand mold。

(5) after sand mold/core machines, automatic material dolly (AGV dolly) sand mold/core is accurately delivered to automatic paint spraying apparatus, namely adopts industrial machine robot end clamping spray gun automatically to carry out spray painting, complete the spraying of each sand mold/core。

(6) after sand mold/core has sprayed, automatic material dolly sand mold/core is accurately delivered to sand mold automatically grinding equipment and completes the surface finish of each sand mold/core。

(7) after sand mold/wicking surface has been polished, by automatic material dolly, sand mold/core is accurately delivered to casting mold and assembles district, assembly platform is carried out casting mold assembling by industrial robot by special fixture clamping sand mold and core on assembly platform, until completing the assembling of whole casting mold。

(8) after casting mold has assembled, by mould dimension precision detection system, casting mold assembly precision need to be carried out Aulomatizeted Detect, and monitoring information is fed back in time, to guarantee to obtain high dimensional accuracy casting mold。

In sum, present invention have the advantage that the digitized containerless casting island of the present invention have employed multiple automation equipment, production efficiency is high, casting quality and dimensional accuracy are high, intelligent and level of digital high, when solving sand mold cutting, allowance is big simultaneously and the molding sand waste that brings and the problem such as the moudling cycle is relatively long。

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations。All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。

Claims (11)

1. a digitized containerless casting island, it is characterised in that including:
Sand base buffer area, is provided with sand base storage rack, for depositing the sand base of generation processing by different size specification;
Sand mold flexibility extruding preform district, is provided with sand mold digitized flexibility extrusion moulding machine, for realizing the digitized flexibility extruding preform of sand mold, obtains the preform sand mold close to final sand mold;
Sand mold digitized machining district, is provided with digitized containerless casting precision form machine, for sand base or preformed sand mold numerical control cutting are processed into final sand mold/core;
Sand mold spraying area, is provided with automatic paint spraying apparatus, has been used for the coating of the sand mold needing surface spraying coating is sprayed automatically;
Casting mold assembles district, is provided with sand mold/core automatic assembly equipment, has been used for the automatic assembling of sand mold/core, has obtained final casting mold;
The automatic movement system of material, is provided with automatic material dolly, for realizing the not transhipment between same district of sand base, sand mold, core;
Central control system, this system with each device talk, can control the operation of each equipment and realize the work of each equipment coordination, and monitors the state of each equipment。
2. digitized containerless casting island according to claim 1, it is characterised in that: also include sand mold Sanding Area, be provided with sand mold automatically grinding equipment, for the mould surface having sprayed coating is carried out automatically grinding。
3. digitized containerless casting island according to claim 1, it is characterized in that: also include sand mold cutting print zone, it is provided with sand mold cutting printing integratedization equipment, for selecting sand mold/core numerical control cutting to shape according to processed sand mold/core complexity or sand mold/core inkjet printing shaping。
4. digitized containerless casting island according to claim 1, it is characterised in that: also include sand mold 3D print zone, be provided with sand mold ink jet printing device and the laser sintered equipment of sand mold, for the 3D printing-forming of complicated sand mold/core。
5. digitized containerless casting island according to claim 1, it is characterised in that: also include roughing sand buffer area, in order to deposit roughing sand。
6. digitized containerless casting island according to claim 1, it is characterised in that: also include casting mold buffer area, process casting mold to be cast for depositing。
7. digitized containerless casting island according to claim 1, it is characterised in that: described automatic material dolly can be AGV automatic vehicle, equipped with mechanical arm on dolly, it is possible to achieve sand base, sand mold, core automatic transporting。
8. digitized containerless casting island according to claim 1, it is characterized in that: described sand mold digitized flexibility extrusion moulding machine and digitized containerless casting precision form machine can adopt same three-dimensional CAD model to drive and generate distinct program respectively, it is achieved the coupling that sand mold extruding preform and machining shape eventually。
9. digitized containerless casting island according to claim 1, it is characterised in that: described automatic paint spraying apparatus, it is possible to adopt industrial machine robot end clamping spray gun automatically to carry out spray painting。
10. digitized containerless casting island according to claim 1, it is characterized in that: described sand mold/core automatic assembly equipment, including assembly platform and industrial robot, industrial robot carries out casting mold assembling by special fixture clamping sand mold and core on assembly platform。
11. digitized containerless casting island according to claim 1, it is characterised in that: described sand mold/core automatic assembly equipment includes sand mold dimensional accuracy automatic detection device, and the assembly precision for the sand mold/core in casting mold assembling process detects automatically。
CN201510978823.6A 2015-12-24 2015-12-24 Digitize containerless casting island CN105689641B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510978823.6A CN105689641B (en) 2015-12-24 2015-12-24 Digitize containerless casting island

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510978823.6A CN105689641B (en) 2015-12-24 2015-12-24 Digitize containerless casting island

Publications (2)

Publication Number Publication Date
CN105689641A true CN105689641A (en) 2016-06-22
CN105689641B CN105689641B (en) 2017-11-28

Family

ID=56228295

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510978823.6A CN105689641B (en) 2015-12-24 2015-12-24 Digitize containerless casting island

Country Status (1)

Country Link
CN (1) CN105689641B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107363563A (en) * 2017-09-08 2017-11-21 中车唐山机车车辆有限公司 Automation stock production line
CN108941466A (en) * 2018-08-01 2018-12-07 广西玉柴机器股份有限公司 The casting technique of V-structure ship cylinder body
CN110102711A (en) * 2019-04-11 2019-08-09 兰州兰石集团有限公司铸锻分公司 The manufacturing method of steel-casting moulding process casting mold
CN110394423A (en) * 2019-08-27 2019-11-01 江苏集萃微纳自动化系统与装备技术研究所有限公司 A kind of 3D sand mold printer based on inkjet printing technology
CN110732636A (en) * 2019-10-23 2020-01-31 中国电子科技集团公司第十四研究所 automatic production line for dieless casting
WO2021012103A1 (en) * 2019-07-19 2021-01-28 苏州明志科技股份有限公司 Sand core manufacturing device and manufacturing process

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030205349A1 (en) * 2002-04-26 2003-11-06 Hunter Automated Machinery Corporation Matchplate molding machine for forming sand molds
CN102107263A (en) * 2009-12-26 2011-06-29 新东工业株式会社 Semiautomatic vacuum molding process casting line
CN102266911A (en) * 2011-05-16 2011-12-07 机械科学研究总院先进制造技术研究中心 Mould-free cast molding core forming machine
CN102773421A (en) * 2012-08-20 2012-11-14 机械科学研究总院先进制造技术研究中心 Digital die-free sand mold extrusion forming machine
CN102773411A (en) * 2012-08-20 2012-11-14 机械科学研究总院先进制造技术研究中心 Digital die-free sand mould extrusion forming method
CN103157764A (en) * 2013-04-12 2013-06-19 机械科学研究总院江苏分院 Patternless casting digital partition machining method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030205349A1 (en) * 2002-04-26 2003-11-06 Hunter Automated Machinery Corporation Matchplate molding machine for forming sand molds
CN102107263A (en) * 2009-12-26 2011-06-29 新东工业株式会社 Semiautomatic vacuum molding process casting line
CN102266911A (en) * 2011-05-16 2011-12-07 机械科学研究总院先进制造技术研究中心 Mould-free cast molding core forming machine
CN102773421A (en) * 2012-08-20 2012-11-14 机械科学研究总院先进制造技术研究中心 Digital die-free sand mold extrusion forming machine
CN102773411A (en) * 2012-08-20 2012-11-14 机械科学研究总院先进制造技术研究中心 Digital die-free sand mould extrusion forming method
CN103157764A (en) * 2013-04-12 2013-06-19 机械科学研究总院江苏分院 Patternless casting digital partition machining method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107363563A (en) * 2017-09-08 2017-11-21 中车唐山机车车辆有限公司 Automation stock production line
CN107363563B (en) * 2017-09-08 2020-01-10 中车唐山机车车辆有限公司 Automatic material preparation production line
CN108941466A (en) * 2018-08-01 2018-12-07 广西玉柴机器股份有限公司 The casting technique of V-structure ship cylinder body
CN110102711A (en) * 2019-04-11 2019-08-09 兰州兰石集团有限公司铸锻分公司 The manufacturing method of steel-casting moulding process casting mold
WO2021012103A1 (en) * 2019-07-19 2021-01-28 苏州明志科技股份有限公司 Sand core manufacturing device and manufacturing process
CN110394423A (en) * 2019-08-27 2019-11-01 江苏集萃微纳自动化系统与装备技术研究所有限公司 A kind of 3D sand mold printer based on inkjet printing technology
CN110732636A (en) * 2019-10-23 2020-01-31 中国电子科技集团公司第十四研究所 automatic production line for dieless casting

Also Published As

Publication number Publication date
CN105689641B (en) 2017-11-28

Similar Documents

Publication Publication Date Title
CN106425490B (en) A kind of increase and decrease material combined-machining equipment and its application
Rosochowski et al. Rapid tooling: the state of the art
CN101885063B (en) Laser cladding forming device and laser cladding forming method of metal part
CN103737934A (en) 3D (3-Dimensional) printer based on fused-deposition rapid prototyping technology and printing method thereof
CN101992272B (en) Self-adaptive casting mould manufacture method for casting
CN103522547B (en) Numerically-controlled machine tool power-driven 3D (three dimensional) printing head component and method for manufacturing three-dimensional support
US20020187065A1 (en) Method for the rapid fabrication of mold inserts
CN104384880A (en) Machining process for display backboard die
CN101444828B (en) Digitized processing method of large-and-medium-sized sand mold and device thereof
CN101259526B (en) Non die-casting type digitalization fast manufacturing method
CN103406482A (en) Isothermal forging forming die and method for 7075 aluminum alloy tapered casing
CN104226996A (en) Device and method for use of impeller of laser 3D (three dimensional) -printing pump
CN104128564A (en) Casting process of sand-lined metal mold cast nodular iron hinge lug
CN106001568B (en) A kind of functionally gradient material (FGM) metal die 3D printing integral preparation method
CN104416120A (en) 3D-printing sand core moulding method of large-scale hydraulic turbine blade
CN105935771B (en) A kind of metal die 3D printing laser microcell processing method
CN102451882B (en) A kind of metalwork rapid composite precision manufacture method
WO2011131074A1 (en) Molding method for patternless casting assembly based on bumpy ridge structure
CN106273440B (en) High-precision rapid forming technology
CN107511683A (en) A kind of large complicated hardware increase and decrease material manufacture device and method
CN100391728C (en) Standing mold pressing die for bars in hard alloy, and manufacturing method
WO1997013603A3 (en) Process for manufacturing optical surfaces and shaping machine for carrying out this process
CN102361115B (en) Production method of cavity filter
CN105196549A (en) Parallel multistation type 3D printer
CN105127423B (en) Selective laser melting 3 D-printing equipment

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
GR01 Patent grant