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Welding pipe to heavier metal

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发表于 2021-8-31 22:51:22 | 显示全部楼层 |阅读模式
I am making a dead man for my horizontal bandsaw.  The 3 legs are 3/4" black pipe welded to a piece of 1018 with a .500" wall thickness.  I plan to use 3/32" 7018 rod.What would you guys offer as advice before I begin welding? My thoughs are to concentrate more of my heat on the larger material. Attached ImagesBrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:When ever I have to do something like this, I like to use a J motion. The long part of the J stays on the thicker material. The curl of the J bounces onto the thinner material. But what the he!! do I know, I've only been welding a few weeks.Don’t pay any attention to meI’m just a hobbyist!CarlDynasty 300V350-Pro w/pulseSG Spool gun1937 IdealArc-300PowerArc 200ST3 SA-200sVantage 400
Reply:I just decided to go for it on some practice pieces.  I set the machine at 80 amps let it burn. I held the rod at about a 45 deg. Angle and did a slight up and down pattern spending more time on the bottom (thicker material) Attached ImagesBrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:Originally Posted by CEPWhen ever I have to do something like this, I like to use a J motion. The long part of the J stays on the thicker material. The curl of the J bounces onto the thinner material. But what the he!! do I know, I've only been welding a few weeks.
Reply:Concentrate the heat on the thicker piece and wash the bead over onto the thinner piece .
Reply:Originally Posted by melsdadI just decided to go for it on some practice pieces.  I set the machine at 80 amps let it burn. I held the rod at about a 45 deg. Angle and did a slight up and down pattern spending more time on the bottom (thicker material)
Reply:Looks OK to me.I offer three choices: Good, Fast, & Cheap. You may pick two.Hobart AC/DC StikMate LXHarbor Freight AD HoodHarbor Freight Industrial Chop SawDeVilbis 20 Gallon, 5 HP Compressor
Reply:Thanks fellas! Hope you all had a great Thanksgiving! !BrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:Exactly what CEP said..........Fireman BillHH 210 MVPMM 211 Spoolmate 100Lotas LTP5000D PlasmaOxy/Accet (Victor)Wards AC/DC buzz box30 ton old hyd pressA few brand name toolsA bunch of cheap toolsA wife to worry me and4 dogs to supervise me
Reply:Cep has been spot on with his advice so far. For a rookie welder he really seems to know his sh**.BrianMiller Thunderbolt 225 AC/DCEverlast 255 EXT with water coolerH.F. 170 Mig/Flux welderKent 3h.p. 9x42 milling machineHome Built 2"x72" variable speed 2 h.p. belt grinderHome built 9" variable speed 2 h.p. disc grinder
Reply:CEP watched you-tube non-stop for several years before he decided to actually melt some metal.30+ yrs Army Infantry & Field Artillery, 25 yrs agoMiller 350LX Tig Runner TA 210, spool gunLincoln 250/250 IdealArcESAB PCM 500i PlasmaKazoo 30"  vert BSKazoo 9x16 horiz BSClausing 12x24 lathe20T Air Press
Reply:The long part of the J stays on the thicker material.
Reply:Practice looks good.  I think you will be fine can't wait to see the finished product!!!!
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