Robotic GMAW forming remanufacturing technology

本资料包含pdf文件1个，下载需要1积分

Adv.Manuf.(2013)1：87-90D0I 1O.1007/s40436-013-0001-xRobotic GM AW forming remanufacturing technologySheng ZhuReceived：12 September 2012/Accepted：29 November 2012/Published online：13 March 2013### Shanghai University and Springer-Verlag Berlin Heidelberg 2013Abstract Robotic GM forming process with theadvantages of high productivity and high bond strength hasbecome an important forming remanufacturing technology。

In tl1is paper.our recent research achievements are intro-duced and our development prospect on robotic GMAWform ing remanufacturing is declared。

Keywords Remanufacturing·GMAW form ing·Robot1 IntroductionRemanufacturing engineering in according with energy-saving， emission.reduction， sustainable developmentnational policies，as a new industry11，is being vigorouslydeveloped，and written to state law Circular EconomyPromotion Law of the Peoples Republic of China”21.Theremanufacturing forming technology which is based ondisDerse/stack principle is diferent from traditiona1 directrapid prototyping technology.It takes the worn part asfoundation to restore the shape，dimension and performanceofthe original product[3.While the direct rapid prototypingtechnology produces the whole part by the way of stacking[4，5].Welding process with the advantages of high pro-ductivity and high bond strength has become an importantforming remanufacturing technology.Furthermore，formingremanufacturing technology based on robotic GMAW sur-facing which meets the increasing demands of automation，S.Zhu(函 )National Key Laboratory for Remanufacturing，The Academyof Armored Forces Engineering，Beijing 100072，Peoples Republic of Chinae-mail：zusg###sina.comintelligence and easily controlling prototyping has atractedincreasing attention recently。

Comparing the defective model of the part which isgained by reversing engineering technology with the nor-mal model of metal part，the remanufacturing model isacquired，then the form ing remanufacturing is implementedcombined with GMAW welding process.Apparently.itwill be an important way for part remanufacturing。

In this paper，our recent research achievements and ourprospect on robotic GMAW forming remanufacturingtechnology are introduced。

2 Our recent research achievement2.1 Rapid remanufacturing forming systemexploitation based on robotic GMAW surfacingNational Key Laboratory for Remanufacturing has devel-oped a rapid remanufacturing forming technology based onrobotic GMAW surfacing to remanufacture damaged metalparts.The work principle of the rapid remanufacturingforming technology is shown in Fig.1[6]。

The part to rem anufacture is pretreated firstly.Then，theremanufacturing model is obtained by comparing damagedmodel with standard CAD model of part.Furtherm ore，the remanufacturing forming path plan is performed andfinally the rapid remanufacturing forming is carded out byGMAW surfacing process。

Figure 2 is the rapid remanufacturing form ing systembased on robotic GMAW surfacing.The rapid form ingremanufacturing system consists of four parts，the roboticsystem as implementing machine.a three-dimensional laserscanner as reversing system，GMAW surfacing depositionsystem and central control system 71。

垒SpringerS.Zhuremanufacturing forming technology is that the tempera-ture field in GMAW surfacing remanufacturing form ing isnon。uniform，which results in non-uniform stress，and thestress induces deformation.Figure 4 is numerical simula。

For the sake of ensuring remanufacturing part precision，a combination of additive and subtractive technique is usedto accomplish the deposition and the machining processesin the same setup.Figure 5 shows the remanufacturing netform ing process of damaged typical parts by GMAWsurfacing/CNC milling hybrid process。

3 Our work prospectRobotic GMAW forming remanufacturing technology witlmany merits such as high e伯ciency.1ow cost and goodquality of remanufactured products will become animportant remanufacturing technology and will be appliedto some weight load fields such as construction machinery，automobile.and shipping.While robotic GMAW formingremanufacturing technology needs develop in four aspects，including material，system，precision and perform ance.Asregards with material，at present，robotic GMAW formingremanufacturing technology mainly faces to stee1 materia1。

In the future.it will extend to some light metal materialsuch as aluminium，titanium.Next step developmentdirection of the forming remanufacturing system is auto。

mation，intelligence，digitalization and flexibility，whichwill control shape and perform ance more precisely。

Acknowledgments The financial supports for this work by theNational Natural Science Foundation of China(Grant Nos.50975286，51005245，51105376)are grateful acknowledged。

鱼SpringerRererences1.State Council document No.32 State Councils decision onaccelerating the development of strategic new industries”.20102.Circular Economy Promotion Law of the Peoples Republic ofChina.People Press，Beiing3.Zhu S.Yao JK (2009)Design theory and application forremanufacturing.China Machine，Beijing4.Zhang YM，Chen YW，Li PJ(20o3)Ⅵreld deposition-based rapidprototyping：apreliminary study JMaterProcessTechnol 135：3蜗 -3575.Serope K，Steven S (2006)Manufacturing engineering andtechnology.Tsinghua University Press，Bejing6.Zhu S，Guo YC，Yang P f2005)Remanufacturing system basedon totally automatic MIG surfacing via robot.J Central SouthUniv Technol 12：129-1327.Zhu S，Meng FJ.Ba DM (2008)The remanufacturing system basedon robotic MIG surfacing.Key Eng Mater 373(374)：400-4038.Zhu S.Cui PZ.Shen CD et al(2005)Scanner external calibrationalgorithm based on fixed point in robot remanufacturing system。

J Central South Univ Technol 12：133-1379.Shen CD.Zhu S Li C et al(2009)Calibration algorithm inrobotic remanufacturing measurement system based On 3D laserscanner.In：International Symposium on advances in imagingdetectors and applications，Beijing，200910.Shen CD，Zhu S，Li C(2009)Coordinates calibration method in arobotic remanufacturing measurement system based on linearlaser scanner.Proc of SPIE 7382：4G1-4G81 1.Cui PZ (2007)Research on remanufacturing modeling andforming path planning based on the robot.Dissertation，TheAcademy of Armored Forces Engineering12.Shen CD (2010 Study on points cloud modeling and directplanning oriented to robotic surfacing for remanufacturing.Dis-sertation，The Academy of Armored Forces Engineering13.Zhu S。Liu J.Yin FL et al(201 1)A novel slicing method for rapidforming based on welding arc deposition. Adv M ater Res156(157)：350-35414.Zhu S.Li C.Shen CD et al(20lO)Microstructure and perfor-mance characteristics of parts produced via GMAW surfacingrapid fotruing.Adv M ater Res 97-101：4024-402715.Cao Y(2010)Research on hybrid rapid manufacturing and reman-ufacturing using robotic GM AW processing-CNC miling process-ing.Dissertation，The Academy of Armored Forces Engineering