Rhino Cart Welding: Vim Li Cas Lub Ncej Ncej Sib Tw Pib Ua Ntej Ua Ntej Arc
Koj tau txiav lub tubing. Koj tau qhuav-haum cov pob qij txha. Koj npaj txhij los ntaus lub arc ntawm koj Rhino lub laub ncej - thiab qhov ntawd yog raws nraim thaum feem ntau DIY tsim ua tsis tiav. Tsis yog los ntawm cov hlau tsis muaj zog, tab sis los ntawm kev tswj tsis tau cua sov, kev nkag mus tsis zoo, lossis cov khoom siv tsis raug. Peb tau welded tshaj 12,000 kev cai lub tawb nqa khoom ntawm Botou Haijun Hlau Khoom Co., Ltd. Qhov peb pom txhua hnub tsis yog txoj kev xav. Nws yog warped crossmembers tom qab ib zaug dhau. Cracked gussets nyob rau hauv 300 kg ntawm payload. Xov stripping nyob rau hauv mounting qhov vim lub hauv paus phaj distorted thaum lub sij hawm vuam.
Muaj zog Rhino laub vuam tsis yog hais txog amperage lossis muab tub lim ib leeg. Nws yog hais txog kev ua ntu zus, txwv tsis pub, thiab kev coj tus cwj pwm. Cold-rolled steel-peb tus qauv rau Rhino thav duab-ntev 12.5 µm / m·° C. Ib tug 600 hli sab rail rhuab mus rau 400 ° C yam tsis muaj clamping yuav loj hlob ze li ntawm 3 hli ua ntej txias. Qhov kev loj hlob ntawd tsis ploj mus. Nws locks nyob rau hauv residual kev nyuaj siab. Thiab kev ntxhov siab tawg tsis tshwm sim thaum vuam - tab sis thaum lub sij hawm thib peb lub voj voog.
Peb Cov kauj ruam uas tsis sib tham ua ntej koj Weld
Hla ib qho ntawm cov no hloov koj lub laub Rhino los ntawm cov cuab yeej rau kev lav phib xaub:
Txhim kho txhua qhov sib koom ua ke - tsis yog cov ntsiab lus txuas xwb. Siv bolted kaum-hlau jigs nrog adjustable nres. Clamp tag nrho perimeter ntawm txhua lub bracket, tsis yog tsuas yog weld seam. Peb pom tias cov ces kaum tsis sib haum hloov mus txog 1.8 ° thaum lub hauv paus hla - txaus rau misalign log mounts los ntawm 4.2 hli ntawm qag qhov siab. Ua ntej tack nrog 10-mm ncua sijhawm - thiab txheeb xyuas qhov xwm txheej ob zaug. Tack welds yuav tsum yog tag nrho-nto, tsis nto dabs. Tom qab tacking, ntsuas kab pheeb ces kaum hla cov duab plaub loj. Qhov sib txawv> 1.5 mm txhais tau hais tias kev hloov pauv twb tau tsim. Sib tov thiab rov tack. Tsis txhob mus ntxiv. Preheat tsuas yog ambient poob qis dua 10 ° C - lossis koj siv> 3-mm phab ntsa tubing. Rau cov qauv 2-mm txias-kuav los tiag steel (Q235 los yog ASTM A1008), preheat ntxiv kev pheej hmoo ntau dua li cov txiaj ntsig. Peb cov ntsev tsuag tshuaj ntsuam pom pom cov pob qij txha preheated corroded 27% sai dua ntawm cov ntiv taw vim yog hloov oxide txheej tsim. Yog vim li cas "Cia li Weld It" Tsis Txhua Lub Sijhawm
Qee qhov sib cav tias MIG vuam yog zam txaus rau lub laub ncej. Tab sis peb cov ntaub ntawv CMM qhia lwm zaj dab neeg. Ntawm 147 randomly soj ntsuam Rhino-style lub laub ua los ntawm hobbyists, 68% pom angular sib txawv> ± 2.3 ° ntawm kaum pob qij txha. Tsuas yog 11% dhau qhov kev sim ua haujlwm nrog kev them nyiaj tag nrho. Lub hauv paus ua rau? Kev mus ncig ceev tsis sib xws. Ib qho 15% poob rau hauv kev mus ncig ceev nce cua sov nkag los ntawm 34%. Uas melts ntau lub hauv paus hlau, widens lub tshav kub-cuam tshuam cheeb tsam (HAZ), thiab softens lub grain qauv nyob ib sab ntawm lub weld. Qhov tshwm sim: qaug zog tawg pib ntawm HAZ ciam teb tom qab 1,200-1,800 teev ua haujlwm - tsis yog xyoo tom qab.
Peb siv pulsed MIG rau tag nrho cov khoom lag luam Rhino cart thav ntawv. Pulse zaus nyob twj ywm ntawm 120 Hz. Peak tam sim no tuav ntawm 185 A. Tom qab tam sim no poob mus rau 42 A. Qhov no muab cov xaim xaim xaim xaim, txo qhov tawg ntawm 70%, thiab khaws HAZ dav hauv qab 1.1 hli-txawm tias ntawm 2.5-mm tubing. Rau DIY welders tsis muaj peev xwm mem tes? Siv luv luv-circuit hloov tsheb, tuav tawm hauv qab 12 hli, thiab txav ntawm 35-40 cm / min. Txhua yam qeeb qeeb caw hlawv-dhau. Txhua yam sai dua caw tsis muaj kev sib koom ua ke.
Tus nqi tiag tiag ntawm Weak Rhino Cart Welding
Nws tsis yog tsuas yog kev ua tsis tiav. Tsis muaj zog welds tsav cov nqi zais:
Kev ua haujlwm rov ua haujlwm: Sib tsoo tawm ib qho gusset tawg yuav siv sij hawm 22 feeb. Rov vuam nws kom raug-nrog rau kev tswj qhov kub thiab txias-ntxiv rau lwm 18. Qhov ntawd yog 40 feeb poob ib qho sib koom ua ke. Nyob rau ntawm daim ntawv qhia tag nrho? Tshaj 3 teev. Khoom siv pov tseg: Ib qho kev ua tsis tiav ntawm txoj kev tsheb ciav hlau txhais tau hais tias scrapping ob txoj kev tsheb ciav hlau-vim tias kev sib xyaw ua ke ntawm cov nplej thiab qhov chaw tiav tom qab vuam yog ua tsis tau yam tsis muaj zeb-theem annealing. Field downtime: Ib lub laub ua tsis tiav ib nrab sau qoob raug nqi $ 190 / teev hauv kev poob haujlwm thiab khoom siv sijhawm tsis ua haujlwm. Peb cov neeg siv khoom tshaj tawm lub sijhawm daws teeb meem nruab nrab rau kev ua tsis tiav ntawm vuam: 11.3 hnub. Botou Haijun zam qhov no los ntawm kev tswj hwm qhov ntsuas kub ntawm ≤150 ° C. Peb saib xyuas txhua qhov weld nrog infrared thermography - tsis yog kwv yees. Yog tias qhov kub nce siab tshaj qhov pib, peb nres. Peb tos. Peb txias. Tsis muaj kev zam.
Dab tsi ua haujlwm-Thiab dab tsi tsis yog-ntawm Rhino Cart Frames
Peb tau sim tsib qhov kev coj ua thoob plaws 420 cov qauv weld. Nov yog yam uas tau tshwm sim:
Gusset shape tseem ceeb. Daim duab peb sab gussets nrog 45 ° ob txhais ceg ua tau zoo dua cov duab plaub los ntawm 41% hauv kev sim torsional rigidity. Radius fab ntawm cov lus qhia gusset txo kev ntxhov siab los ntawm 63% ( ntsuas los ntawm cov ntsuas ntsuas). Weld direction tswj distortion. Vuam los ntawm nruab nrab sab nraud ntawm txoj kab ntev txiav hneev taw los ntawm 82% piv rau qhov pib-rau-kawg dhau. Sequence: center → ¼ point → ¾ point → xaus. Kev ntxhov siab tom qab vuam tsis yog xaiv rau kev them nyiaj> 250 kg. Peb tuav thav duab ntawm 580 ° C rau 45 feeb hauv qhov cub tswj tau. Cua txias tom qab relieves 94% ntawm residual tensile stress. Hla cov kauj ruam no nce qhov pib tawg los ntawm 5.7 × hauv kev sim lub neej nrawm. Ib daim ntawv kawg: Rhino laub vuam tsis yog hais txog lub zog brute. Nws yog hais txog kev kwv yees, rov ua dua geometry. Txhua lub vuam yuav tsum ua haujlwm rau lub rooj sib txoos - tsis yog koom nrog ob daim. Qhov kev xav ntawd cais cov tsheb uas muaj tsib lub caij dhau los ntawm cov uas tau muab pov tseg tom qab ib qho.
Yog tias koj lub laub Rhino xav tau kev vuam vuam uas muaj sia nyob hauv lub ntiaj teb tiag tiag, Botou Haijun Hlau Khoom Co., Ltd. muaj kev tsim kho qib engineering-ua los ntawm cov hlau txias, validated nrog CMM thiab tensile xeem, thiab txhawb nqa los ntawm ISO-kawm txheej txheem tswj. Peb tsis muag cov khoom. Peb xa qhov tseeb qhov tseeb.
