7024 is a popular drag rod, although it is extremely liquid and is only used for flat and very restricted horizontal welding. Other rods, such as 6012 and 6013, employ the rotary approach to obtain optimal weld quality. Rotary arc welding uses a rotating electrode rather than a fixed one as in TIG welding. This allows the operator to concentrate the heat at specific locations on the workpiece instead of having the torch move around all the time.
6012 and 6013 are identical except that 6013 has its nozzle mounted slightly farther back so it can rotate more freely. This lets the welder get closer into tight spots or corners where other welding methods would have trouble going. These are both dry-wire rods made by MIG Technologies, LLC. The first number is the diameter of the wire feeding into the welding gun. The second number is the diameter of the welding rod after it has been cut from the spool. For example, a 7024 rod has a diameter of 3/8 inch and a length of 12 inches when cut from the spool. Dry-wire rods contain no flux nor filler metal and must be kept moist to ensure good electrical contact between the wire and the welding gun.
These are all stick welding machines. Stick welding is useful for joining pieces of sheet metal together because it produces a strong joint without melting the surrounding material.
The 7018 is the structural welding foundation. This rod runs quite differently than the 6010 and 6011 rods; it is considerably smoother and simpler to use. The 7018, which is more of a "drag" rod, is also known in the field as a low-hydrogen, or "low-high," rod. When welding, a 7018 rod should actually be dragged across the metal. The welding process uses heat from the electrical current to melt the base metals together. Then, when the wire is drawn back out, the metal cools and bonds together.
In addition to being different in structure, the 7018 rod also differs from the 6010 and 6011 rods in size. The 7018 rod is about one-eighth of an inch in diameter, while the 6010 and 6011 rods are half an inch each. This means that a welder can weld with 7018 rod using smaller gauge wires because they will not be as bulky as larger gauge wires. The 7018 rod is also very flexible so it can be bent without breaking.
The 7018 rod was originally designed by American Welding Society (AWS) member Carl Deville for use with low-carbon steel. However, today it is used with most all types of steel including stainless steel and aluminum.
The 7018 rod is mainly used in waterborne and oilbased plastics welding applications. It can also be used with fluorescent and electric lights at lower currents for heating small workpieces.
Electrodes 7018 The 7018 is the structural welding foundation. The welding process creates so much heat that the surface melts, mixing the metals together.
There are two main types of welding: stick welding and TIG (tungsten inert gas) welding. In stick welding, you use a stick of metal with an attached wire for each joint. In TIG welding, you use a torch to melt small balls of welding rod that mix with air to make filler metal. Stick welding is used mostly for joining thin pieces of sheet metal, while TIG welding is used for thicker materials.
Stick welding is done by dragging a weld rod across the metal surfaces to be joined. As the name suggests, this is done by hand using a special tool called a "drag welder." The user guides the weld rod along the seam between the two items being joined. As the name implies, this is a physical task that cannot be done automatically. However, modern welders usually include a foot pedal or handle switch that allows one to initiate and stop the welding process remotely. This is especially useful when working on large projects where keeping track of multiple rods is difficult.
Rodders are strong devices that can chop roots all day without using a single drop of water and only a fraction of the fuel that a standard jetter consumes. The Model 866 Continuous Rodder is available as a trailer or truck mount and is powered by a single motor with a single-speed drive. It has a maximum speed of 5 mph and an operating range of 20 miles per gallon of diesel.
These trucks use a system called cyclic steering to make it possible for one person to operate them from behind the wheel. As they travel down the road, the person controlling the tractor unit turns the front wheels left or right to guide the machine as a whole. This saves energy over continuously turning the wheels, which would be required if they were not joined to the chassis with flexible shafts.
Rodters were first produced in 1964 by JCB under the name Rooter. They were designed to work on small jobs around the home garden and yard where their fuel efficiency and low noise level made them ideal for living close to where they were needed. Over the years JCB have improved the rodders technology including adding air suspension and a loading ramp so they can be used on larger projects too.
Today's rodders still do most of their work in an efficient and safe manner but they are now also used in construction sites, industrial yards, and even on farms.
|Connecting Rod Bolt Specification||Steel Connecting Rods|
|Part #||Dia. x U.H.Length||Torque|
|90818||3/8″ x 1.600″||45 ft lbs|
|90819||3/8″ x 1.600″||45 ft lbs|
|90820||7/16″ x 1.800″||75 ft lbs|
Welding Rod Amperage Chart 6013
|Electrode||Diameter (Inches)||Amperage Range|