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How do you calculate welding electrode consumption the for a groove in metals?
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What is meant by welding capping?
The last bead of a groove weld, it can be made with a weave motion back and forth, or with stringer beads tied into each other.
Is there a way to calculate the physical length of the groove on a compact disc based on the time length of the track?
Yes.
What is the welding sequence for a 1G weld?
There are many different factors that may determine welding sequence. Of course, a 1G weld is defined as a Flat (1) Groove (G) weld and the 1G is usually used when describing the position of welding any flat material such as bar, sheet, or plate. The thickness of the material may affect sequence. For 3/16" (some may say 1/4") thick material, one pass is utilized to fill the joint. Most codes will limit per pass thicknesses to 1/4" thick depending on the process used, but when welding 1/4" thick material the likliness of incomplete penetration, incomplete fusion, or excessive undercut at the toes of the face side of the joint are very high, which results in most 1/4" material to be welded using 2 passes (multipass). Another factor may be the end result of the material being welding, such as minimal distortion which is a result of heat input. Weaving will reduce the number of welds that are needed but will result in longer 'on time' of the heat input and will increase the amount of heat input to the base metal. A good, fool proof way of welding a flat groove weld is to always work from back to front (when multipass welding) which always allows for proper tie in or penetration of the weld metal either into the base metal or to each prior pass.
How do you calculate filler rod usage?
HOW TO CALCULATE THE CONSUMPTION OF FILLER METALThe following tables will help you estimate electrode quantity and cost for a variety of joints. The bases for the tabulations are explained below. Should you encounter a variation in conditions or joint preparation that is not shown in the tables, substitute appropriate figures in the W =D formula and calculate it. Electrode requirements have been calculated as follows: 1-LW =D1-L W=Weight of electrodes requiredD=Weight of steel depositedL=Total electrode lossesTo arrive at the weight of steel deposited, it is necessary to calculate first the volume of deposited metal (area of the groove multiplied by the length). Then this volumetric value is converted to weight by the factor 0.283 pounds per cubic inch for steel. Where weld reinforcement is involved, it is added to the requirements for net, unreinforced welds. These figures are based on the efficiency of the process used. On square and "V" groove joints, the figures are based on stick electrode efficiency. For tubular wire results, divide steel deposit weight by .80 and for solid wire divide by .90.SEEFIGURE1Size of filletL(in inches)Steel depositedper linear footof weld (lbs.)Pounds of electrodes requiredper linear foot of weld* (approx.)Stick*TubularSolid1/83/161/45/163/81/25/83/410.0270.0630.1060.1660.2390.4250.6630.9551.698.049.114.193.302.434.7731.2051.7363.087.034.079.133.208.298.531.8291.1942.123.03.07.118.184.265.472.7371.0611.890*Includes scrap end and spatter lossSEEFIGURE2Joint dimensions (in inches)Steel deposited per linear foot of weldPounds of electrodes required per linear foot of weld* (approx.)MTL. THICK TBEAD WIDTH BROOT OPEN GWithout rein- forcement(lbs.)With rein- forcement(lbs.)Without reinforcementWith reinforcement**3/161/45/163/87/161/201/161/163/321/163/32------ 0.0200.0270.0390.0330.0500.0880.1090.1290.1430.1530.170------ 0.040.050.070.060.090.160.200.230.260.270.301/83/161/41/43/87/1601/321/321/161/163/32------ 0.013 0.0200.0400.0530.0800.1190.1320.1990.2180.2610.288------ 0.030.040.070.100.140.210.240.360.390.470.53SEEFIGURE3Joint Dimensions (in inches)Steel deposited per linear foot of weldPounds of electrodes required per linear foot of weld* (approx.)MTL. THICKTBREAD WIDTHBROOT OPENGWithout rein- forcement(lbs.)With rein- forcements**(lbs.)Without rein- forcementWith rein- forcement**1/45/163/81/25/83/410.2070.3110.4140.5580.7020.8471.1381/163/321/81/81/81/81/80.0850.1730.2820.4890.7531.0881.9300.1430.2580.3940.6410.9421.3202.2400.150.310.500.871.351.943.450.250.460.701.151.682.354.00*Includes scrap end and spatter loss. **R=Height of reinforcement.Figure 1 Figure 2
Where are tongue and groove joints used?
wood work
How do you calculate number of welding electrodes required for pipe weld?
Firstly you have to take out the width of the groove, for finding the width of the groove you have to apply tan formula, then after finding it you have to calculate area of the v-groove with respect to formula of area of triangle i.e.1/2 x b x h x l. then you have to find the volume of the electrode which are you going to use i.e pie/4 x d square x l . after finding this you have to divide area of triangle to volume of cylinder, whatever you get is the consumption of electrode in that much of thickness, and you will get the no.of electrodes which are to be used in that much of thickness, if any query or suggestions please give suggestions on my mail i.d is azimpathan_041@yahoo.in 96241 80135
Butt-weld and grrove weld?
First, Butt-weld is short for a butt groove. Welding in a butt-groove starts at the throat of the butt-groove. The first weld point could be a tack-weld: holding the two materials to be welded together. The throat is measured and filler metal and electrode are determined to create the root pass.
What is filling pass in welding?
Filling pass is a welding process which function to filling filler metal inside welding groove before capping process be execute
What is 4g welding?
4G is a welding position. The '4' means the weld is to be made in the overhead position. The 'G' means the weld is a groove weld.
What does 5G mean in welding?
5G is a welding position for pipe. The pipe is in a fixed, horizontal position. There is a groove along the circumference of the pipe where the weld is to be made.
How many electrodes are used per inch of weld?
depending on: the type of electrode, and gap between material, and material thickness, and whether or not the groove is beveled... roughly 1 electrode per 8 inches for a cover pass, and 1 electrode per 16 inches for a root pass
What is a 3g welding?
3G specifies a Grove weld, welded in the Vertical (up) position -RedSeal welder
What is meant by welding capping?
The last bead of a groove weld, it can be made with a weave motion back and forth, or with stringer beads tied into each other.
Is there a way to calculate the physical length of the groove on a compact disc based on the time length of the track?
Yes.
What does TCU4a weld symbol mean?
A TCU4a weld is a Corner Jount (TC), Unlimited Thickness Full Joint Penetration (U), Single Bevel Groove (4), and (a) is the welding process.
When was Groove Phi Groove created?
Groove Phi Groove was created on 1962-10-12.
What does the term Undercut mean in welding?
Undercutting is a defect that appearsas a groove in the parent metal directly a;ong the edges of the weld it is most common in lap fillet welds, but can also be encountered in fillet and butt joints. This type of defect is most commonly caused by improper welding parameters, particularly the travel speed and arc voltage
