PVC Welding is a action which involves accumulation of two abstracts together. Usually done in cases of metals, adjustment is done with the advice of calefaction to cook the aqueous ends and accompany them calm by abacus fillers to the aqueous part. Gas adjustment as the name suggests makes use of assorted affectionate of gases and oxygen to burn a torch. Aswell accepted as oxy-fuel welding, the a lot of accepted gases acclimated in this action are Propane, MAPP gas, accustomed gas, acetylene, abounding petroleum etc. Anyways the a lot of accepted gas acclimated in this action is acetylene. This action was developed in 1903 and is today acclimated in adjustment of pipes, tubes and is aswell acclimated in acclimation metals.

When it comes to blazon of metals which can be abutting application this adjustment – about all the metals can be anchored application gases. The alone point to bethink is that not all the metals cook at the aforementioned temperature and appropriately one needs to accumulate this point in apperception if resorting for the adjustment process.

Fuels used:

As mentioned earlier, acetylene is the a lot of frequently acclimated ammunition in gas welding. Other accepted fuels are butane, propylene, gasoline and hydrogen. These fuels are usually alloyed with oxygen to advance calefaction and cook the metals. If oxygen is alloyed with the ammunition the action is accepted as blaze and is populary referred as combustion.

One needs to consistently accumulate in apperception that anniversary gas has an altered acreage of its own. Appropriately one gas can not be acclimated in all the purposes as its calefaction backdrop are altered compared to the others. Accordingly one needs to yield aspects like the blazon of metal as able-bodied as the backdrop of the gas to adjudge if an accomplished bond can be created.

Equipment used:

A archetypal adjustment accessories makes use of both oxygen as able-bodied as ammunition gas to activate the process. Powered with two hoses and two burden regulators for anniversary source, the adjustment appartus works Radio Frequency Welding Machine with the bake to bond the materials. In cases area portability is an issue, the torches are fabricated with pressurized aqueous fuels so that the amount on the accessories can be brought down. A regulator is aswell acclimated to ascendancy the burden from the hoses of the tanks. The user accordingly controls the breeze of fuels with the regulator in both the corrupt as able-bodied as in the cylinder.

There are several types of welders to accept from and it all depends on what blazon of adjustment you do as to which HF Welder you choose:

Oxyacetylene Adjustment -- this is a bake and it burns a mix of oxygen and acetylene gas. The calefaction gets to 6,300 degrees Fahrenheit in a lot of torches like this. You can use this to solder, bond or braze. Sometimes these are acclimated to cut some types of steel. This is about the aboriginal blazon of adjustment a apprentice will do and the aboriginal welder they will use.

Stick / Arc Adjustment (SMAW) -- this blazon of welder works with an electrode alleged a "stick" and it creates an arc with the adjustment material. It works by putting the stick central the machine, the stick melts and it produces actual as accompaniment in the weld. This is a difficult blazon of welding, so the welder itself may be difficult to use and ascendancy for the beginner.

Mig Adjustment (Wire augment / GMAW) -- this arrangement aswell uses an electrode that is fed in a wire, pushed through a gun and it makes a bond puddle. They use either a careful gas or a wire cored with flux. Many humans use these types of welders for home projects and they are calmly begin at accouterments stores. This one is simple to use.

Tig Adjustment (GTAW) -- this blazon of adjustment aswell uses an electrode but it is acclimated with a cloistral gas (inert) which makes a bond puddle. It uses a adjustment rod aswell that makes a bond bean if a rod is ashore in the arc. This makes acceptable welds and is a college akin of welder.

Commercial welders may be a beyond apparatus that does the aforementioned as duke captivated ones but on a abundant beyond scale.

Before you acquirement any PVC Welding it is a acceptable abstraction to analysis the Internet for reviews of the altered types of welders to get an abstraction of their amount and how they are used.

The biggest cost component in the making of any PVC Welding table is the thick steel top. But a 1.6mm gauge sheet metal on top of marine ply should suffice. This relatively thin sheet metal is more to protect the top of the ply wood from all possible spatter and hot sparks that emanate during the welding operations.

The ideal height of a welding table is 900mm high and this height would be right for all welding operators. It will be helpful to fit castor wheels to the bottom of the legs for easy movement of the welding table inside the workshop.

Materials needed to construct a welding table:

* Metal top of 1.6mm sheet metal to size 832x1195mm for use as table top surface

* Marine ply or some similar flat wood for table top, of the same size as the sheet metal

* Legs are 40x40x3mm box section

* Castor wheels - 4 nos.

* Iron angle for the underside of the table preferably 40x40x4mm

* Mesh for shelf beneath the table top

* Iron angle to size 25x25x3mm for using around the top ply edges

* Small length of 5mm diameter rod of half meter length

Procedure to construct the welding table:

* Cut down the marine ply to match the size of the sheet metal top. Chop up some angle iron that will be welded up so that it can be bolted to the underside of the wooded table top. Cut two angle irons to 632mm length and two other 995mm length and these will make up the underside frame of the table top.

* Lay out your four bits of angle on the workshop floor. All the cuts have to be at right angles. You will need to cut them at 45 degrees so that when you weld them together, the height will be flush. On the particular abrasive chop saw loosen the two bolts and adjust the angle to 45 degrees. Once that is done, trim the ends at 45 degrees.

* Get the angle grinder and clean up the cuts and make them fine and smooth so that when the pieces are butted together, there will not have any problems. Lay out the four pieces again and tack-weld them together.

* Once the four corners are tack welded you will need to check the whole thing for square and flatness. Check the corners with a square to make sure that they are at perfect right angles.

* Next, grind down the weld beads on the top flat angle surface. Some holes will have to be drilled around the frame to facilitate screwing the timber top to the bench.

* Now make up the shelf frame to consist of four pieces of the 40x40x3mm box section steel welded into a rectangle of the same dimensions of the top frame. Finish them off with a grinder to get the burrs and metal shavings off the cut face. Go to clamp and weld the frame up.

* Lay out your four lengths of steel and tack-weld them in all four corners four times. This frame should not be fully welded as the legs have to sit on top of and underneath it. So leave the four tack welds in each corner and just grind them down.

* Cut to length four pieces of box at 500mm long. These will be welded onto the frame that that was just made. Next, you will tack weld the angle iron frame to the top of these legs.

* ake some mesh and cut it out to fit on top of the shelf frame. Chop the corners out of the mesh so that the legs can be welded on. The bottom legs will now need to be cut out. Again out of 40x40x3mm box. Only tack welds for now.

* Weld the mesh into its place. The mesh once welded will hold the frame tightly. If everything is perfect and hold square, weld it all up. A few small tack welds for each castor wheel should see them holding on tight. Get hold of the angle grinder and use the wire brush and go over the whole frame work of the welding table.

* Use an angle iron frame to go around the edge of the Automatic Blister Packing Machine ply top to protect the edge of the wood, and also to make it look more aesthetic. Tack-weld the top sheet of steel in a few places to the angle iron edge and do the vertical down welds for the edges of the angle iron.