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Thread: Digger bucket
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23rd January 2010, 10:20 AM #1Intermediate Member
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Digger bucket
I need to weld some tooth adapters onto a small digger bucket. I would have thought the best bet is to stick it with Kobe LB52-18 (E4818), out of a rod oven, with 150c preheat on the bucket. But a bloke told me to just go ahead and MIG it. Does anyone know if you have problems with weld cracking etc when MIGing to the blade of a bucket?
Thanks.
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23rd January 2010 10:20 AM # ADSGoogle Adsense Advertisement
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23rd January 2010, 11:50 AM #2GOLD MEMBER
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I have just used the mig when reattaching broken teeth to Bobcats ,never had any problems and no preheat.
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23rd January 2010, 04:36 PM #3Senior Member
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depends on the mig prob 250a min if its 16mm thick and would definatly need to be fluxcore wire
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23rd January 2010, 06:07 PM #4Boilermaker Welder and soon to be Fitter
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24th January 2010, 12:16 PM #5danielson
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like the supervisor says,migs fine if machine is big enough.ive done hundreds of buckets and repairs,no probs at all.may help to warm up all parts a little to remove chill if mig is just big enough.16tc's etc are fine if useing the arc.cheers
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26th January 2010, 04:11 PM #6Intermediate Member
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26th January 2010, 04:22 PM #7GOLD MEMBER
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Thats all I have ever used 1.2 mild.
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26th January 2010, 08:43 PM #8danielson
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.9 or 1.2 should make no diferrence at all,and if you use solid wire and and gas it will be fine,as long as it is all clean and not rusty and the teeth are not on the mounts when you weld them up.are you useing cig gas?
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26th January 2010, 10:39 PM #9Intermediate Member
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26th January 2010, 10:46 PM #10Intermediate Member
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27th January 2010, 10:43 PM #11danielson
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15th February 2010, 01:08 PM #12New Member
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err....just thought I'd throw my 2 cents worth, being a fitter and all that, What I've found is that arc outside, MIG inside. And, as a rule up here in the mines (Pilbara) only arc is used, using low hydrogen rods (3.2) for all bucket work, for that matter it's all that is used on site for both fixed and mobile plant.
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