本文選題：激光焊接 + 焊接變形　； 參考：《河北科技大學(xué)》2015年碩士論文

【摘要】：通過(guò)對(duì)激光焊接金剛石鋸片進(jìn)行研究,分析了不同材質(zhì)的基體和刀頭在使用不同參數(shù)激光焊接、碾壓調(diào)整的過(guò)程。使用20CrMo、30CrMo、30CrMoA三種材質(zhì)板料分別制作成連續(xù)齒和分齒基體;調(diào)整FeNi和FeCo過(guò)渡層成分比例,通過(guò)冷壓成型、真空熱壓燒結(jié)制作成刀頭;使用激光對(duì)基體和刀頭進(jìn)行對(duì)接焊接,改變焊接激光束焦點(diǎn)位置、焦點(diǎn)偏移量、焊接速度、焊接功率和保護(hù)氣體通入方式分析參數(shù)對(duì)基體變形程度的影響,從而獲得了焊接工藝參數(shù):功率1 200 W,焊速1 100 mm,焦點(diǎn)位置0.5 mm,偏移量0.15 mm,氣流量3 L/min的最優(yōu)焊接方式,分齒型基體結(jié)構(gòu)、30CrMo材質(zhì)、Fe70%Ni30%過(guò)渡層的最佳材質(zhì)和形狀結(jié)構(gòu)。對(duì)上述焊接條件下所獲得的產(chǎn)品進(jìn)行碾壓矯正得到變形量值0.04 mm,且均勻分布的產(chǎn)品,并且通過(guò)市場(chǎng)驗(yàn)證,具有良好的社會(huì)效益,可直接產(chǎn)生良好的經(jīng)濟(jì)效益。本設(shè)計(jì)研究可對(duì)激光焊接產(chǎn)品設(shè)計(jì)提供有意義的借鑒和參考。
[Abstract]:Based on the research of laser welding diamond saw blade, the process of laser welding and rolling adjustment of different material matrix and cutter head is analyzed. Using 20CrMo-30CrMo-30CrMoA plate to make continuous tooth and split tooth matrix, adjusting the composition ratio of FeNi and FeCo transition layer, forming cutter head by cold pressing and vacuum hot pressing sintering, using laser to weld the matrix and the cutter head, Changing the position of laser beam focus, focus offset, welding speed, welding power and gas penetration mode to analyze the influence of the parameters on the deformation degree of the matrix, The optimum welding process parameters, such as power 1 200 W, welding speed 1 100 mm, focus position 0. 5 mm, offset 0. 15 mm and gas flow rate 3 L/min, are obtained. The optimum material and shape of Fe 70 Ni 30% transition layer are obtained. The products obtained under the above welding conditions are compacted and corrected to obtain a product with a deformation value of 0.04 mm and a uniform distribution, and it is verified by the market that it has good social benefits and can directly produce good economic benefits. This design research can be used for reference and reference for laser welding product design.
【學(xué)位授予單位】：河北科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TG456.7

【參考文獻(xiàn)】

相關(guān)期刊論文 前1條

1 沈顯峰;黃文榮;滕文華;許超;;輔助增強(qiáng)匙孔氣流對(duì)激光焊接不銹鋼組織和顯微硬度的影響[J];焊接學(xué)報(bào);2013年04期

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本文編號(hào)：1820431