How to Use a Cutting Torch (with Pictures)1. Put your gloves and goggles on before lighting the torch. Check your work area one more time for combustible materials and you should be ready to go.
Light the torch. Open the acetylene valve again, allowing the oxygen remaining in the mixing chamber to purge for a few seconds, then shut the valve until you can barely hear gas escaping. Holding the striker in front of the torch tip, with the tip facing inside the striker (or toward the ignition source, for electronic strikers), squeeze the handle.
A small yellow flame should appear at the tip when the sparks from the striker ignite the acetylene. Adjust the acetylene valve until you have a yellow flame about 1. Make sure the flame begins at the torch tip; if too much acetylene is supplied the flame will jump, or be blown away from the tip. Turn the forward oxygen valve on slowly. The flame color will turn from yellow to light blue as sufficient oxygen is supplied to completely combust the acetylene. Increase the oxygen until the inner blue flame begins to shrink back toward the tip. Open the oxygen valve more to increase the flame size until the length of the inner flame is just over the thickness of the steel you are intending to cut.
For 3/8 inch cold- rolled plate or mild steel, a 1/2- inch inner flame is about right.) If you hear a blowing noise, or the blue flame seems erratic and feathery, there is probably too much oxygen at the flame; reduce it until the flame is stable and the inner flame is a clean cone shape. Bring the tip of the inner flame to the surface of the steel you are going to cut. You will need to heat the steel with this flame until a molten pool of metal forms and luminesces at this location.
Craftsman Cutting Torch Manual
For 1/4- inch plate steel at room temperature, this should take about 4. Keep the tip of the flame steady and about 3/8 of an inch from the metal's surface to concentrate the heat in one location.
Push the cutting valve handle down slowly to release the oxygen jet, which ignites the molten steel. If a violent reaction instantly starts, the steel has ignited, and you can gradually increase pressure until the jet is cutting completely through the metal.
If no reaction occurs, the metal is not hot enough to ignite, so you can let the oxygen handle release and continue to allow the flame to heat the metal more. Begin moving the torch tip slowly along the line of your cut when the jet is cutting through the steel.
Total Plasma Cutting Flexibility Ava ilab le W ith Ou r ATC ™ Qu ick Change Connec tor! One Torch for Virtually Any Plasma Cutting System! MANUAL SYSTEMS. Victor Cutting Torch Product Number: ST900C In Stock $195.00 View Manual plasma systems include the Drag-Gun Plus and CutMaster True Series. Victor. Metalworking Manual CD. Northern Industrial Welders OxyAcetylene Torch Kit — Victor-Style for welding, cutting, gouging, and heating. Shop Northern Industrial Welders. How to Use a Cutting Torch. An oxygen/acetylene torch is a dangerous cutting system, but with precautions and practice, you can use it to cut steel to size and shape. Instruction Manual Gas Welding, Cutting, Brazing. and then burn it rapidly with pure oxygen. A cutting torch. 9505643 RevC 04052010_9505643.qxd.
You should observe that almost all of the sparks and molten slag are being blown out the back or bottom of your cut. If this flow of superheated material slows or backs up, slow your forward speed or stop and let the metal heat more. It is better to cut too slowly than to try to cut too quickly. Continue cutting until you have parted the metal or finished the cut. Make sure the slag and any droplets of heated metal do not get underfoot; even sturdy boot soles will burn through if you find yourself standing on a large piece. Cool the workpiece with plenty of water.
Or, allow it to cool naturally if you are in no hurry. Be aware that dipping a superheated piece of steel into a bucket or stream of cold water will create an instantaneous cloud of very hot steam. This is only for mild steel, as water cooling will affect quench- and temper- type steels. Chip the slag from the cut. You can also grind the cut smooth if a more precise fit is desired.
Plasma Cutters capable. Victor Style Heavy Duty 200FC Cutting Torch for Cutting Welding welding and cutting torch murex type, Type: Metal, Control Mode: Manual. The liquid fuel torch REFERENCE MANUAL First in safety and power! Oxy-Gasoline Cutting System PETROGEN fi. Victor Oxy Acetylene Torch Manual Genuine Victor® 1-101 series heavy-duty oxy/acetylene cutting tip. Mfg Industrial Victor Cutting Tip 3-101 Series (Acetylene.