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Dec 17, 2009, 11:29pm

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Topic: Your 1st welding project (Read 136 times)

grumpy
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Your 1st welding project
« Thread Started on Feb 24, 2008, 6:59am »

Once you start to weld things,you need a place to weld, why not start with a welding bench.

They are nothing fancy ,needing four legs ,a top and a shelf.

The top could be a sheet of 6mm steel and the legs and frame 25 x 25 x 2.5wt(wall thickness) box. A flat surface is needed if you are going to assemble and tack frames together. A suggested size is 900x 600mm.Anything thinner will be too light and will probably distort and thicker will see you with muscles like Arnie S pushing the sod around.

Shelving rails (again of 25 x25) provide the means to support the shelves and a means to brace the legs. The shelf itself could be of plywood.

Perhaps you could give thought to the mobility of your bench and buy some castors. If your visit super cheap auto accessories you will find cheap castors which are adequate for the service required. Don,t be a tite rrs and buy them 2 small in wheel diameter or they will snag on every little bump on the garage or workshop floor.

A piece of 75 x75 x 3mm plate is sufficient to hold each of your 4 castors which can be either bolted or tacked.

Give thought to other tools such as grinders which could be hung of the sides and maybe an underbench rack for PVC downpipe tubes which make excellent electrode storage facilities.The caps are available and with one end glued up with PVC glue. One of mine protected the electrodes from the floodwater we have just had in Mackay with no leakage at all.

During assembly tack everything together ensuring it is square and parallel first. A tack is a small deposit of welding bead,say like a pencil diameter on the 25 box tube.Tack on diagonally opposing sides of your frame. If you make errors tacks can be broken relatively easy-not so with full welds. Save your full welds until you are satisfied that your frame is square and parallel.

Here's your cutting list
900 x 600x 6mm plate
4 off 700mm L 25 x25 x 2.5 wt box tube
2 off 900mm L 25 x 25 x 2.5 wt box tube
2 of 600mm L 25 x 25 x 2.5 wt box tube
4 off 75 x 75 x 3mm sheet
8 off, 2.5mm diam 6112 electrodes

happy welding
grumpy

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