On 07/31/2014 02:29 PM, a k wrote: > hi > About powerful welding machine that have higher welding current. > i think that if main goal is to deposit as much as possible metal than it > is good. like in structural steel manufacturer but in my case people- > customers will bring caliber-micrometer- indicator - all imaginary > measuring instruments to see how close deposited part to original > print-model. i think in this case use of smaller wire will be better - > 0.022 something like that. yes it will take longer time to deposit but > accuracy of part is most important part. > maybe in the future possible to use two welders - like one for rough and > one for finish work-- heavy welder will fast deposit as much as possible > and small welder will do only external boundary to make part more accurate > -- close to the print dimensions etc. > some ideas > > aram > > What you will find is after the first layer or possibly two there will be a thin "slag" layer on top of the beads. This layer will have to be chipped off to keep the arc continuous, otherwise the arc will wander when it gets to a spot of slag.
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