To use a cutting torch, first put on fire-retardant clothes, gloves, and goggles. Next, light the torch by holding the torch tip against the striker. Once you've adjusted the flame size to the right length, move the flame to the steel you want to cut and push on the cutting valve handle slowly.
Full Answer
What is the best cutting torch?
- Medium-duty
- Includes cutting and brazing tips
- Includes striker
- Includes hose
- Low-medium price
How do you set up a cutting torch?
- Turn off the gasses supplies by switching off the valves at their respective tanks.
- Purge the gas that remains in both hoses or gas lines by reopening the oxygen valve on the torch so that the remaining gas in the hose will flow out. ...
- Repeat the purging with the other gas line. ...
- Once you finish purging, disconnect all components and store them properly.
How to select the correct cutting tips?
- Select insert geometry based on selected operation, for example finishing
- Select the largest possible nose angle on the insert for strength and economy
- Select the insert size depending on the depth of cut
- Select the largest possible nose radius for insert strength
- Select a smaller nose radius if there is a tendency for vibration
What are some uses for a cutting torch?
- oxy-acetylene cutting torch
- hoses for acetylene (red) and oxygen (blue)
- oxygen and acetylene bottles/tanks
- gas regulators for each tank
- flame traps (or flashback arrestors)
- hose couplings
- flint lighter or flint striker
What should oxygen and acetylene be set at on a torch?
1:557:48Oxy Acetylene cutting torch setup - YouTubeYouTubeStart of suggested clipEnd of suggested clipAll right and I'm gonna open up that knobs a little bit and doesn't drop much so I'll go ahead andMoreAll right and I'm gonna open up that knobs a little bit and doesn't drop much so I'll go ahead and close that now it's closed setting at about eight that's perfect now.
What is the best way to set the oxygen pressure for cutting?
What is the best way to set the oxygen pressure for cutting? Increase the pressure slowly and readjust the flame as you watch the length of the clear cutting stream in the center of the flame.
What do you set your oxygen and acetylene on?
1:536:59How to set the oxy acetylene regulators - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay 235 pounds of pressure and of course I'm zeroed here because there's nothing coming out nowMoreOkay 235 pounds of pressure and of course I'm zeroed here because there's nothing coming out now when I go to adjust. This I'm probably going to adjust this thing to about five psi down here. And the
What angle do you hold a cutting torch?
To cut a bevel, the torch tip must be held at a 45-degree angle to the cut line rather than perpendicular to it (ill. 13.35). In most cases, some type of guide for the cutting torch will enable you to cut at both a constant bevel and along a straight line.
What pressure should torches be set at?
The gas pressures should be set at 3 to 5psi for Acetylene, and 20 to 30psi for the oxygen, but when you squeeze the oxygen lever after the initial flame adjustment of the preheat flames to neutral just to a point where the feather disappears,the oxygen cutting stream should be visible and at least 4 inches in length ...
What is the normal working pressure for acetylene?
The working pressure of acetylene equipment is critical: Acetylene pressure must not exceed 0.62 bar (9psi) unless equipment has been specifically designed for it.
Do you turn on oxygen or acetylene first?
OXY-ACETYLENE We recommend closing the oxygen valve first whenever turning off an oxy-fuel torch system especially when Acetylene is fuel. This is only part, but a very important part, of the complete safe operating procedure recommended for torches by Harris.
What pressure do you operate acetylene at on a torch?
The acetylene regulator should be between 5-7 psi.
What is the ratio of oxygen and acetylene in gas cutting?
Natural GasTable : Fuel Gas CharacteristicsFuel GasMaximum Flame Temperature °COxygen to fuel gas Ratio (vol)Acetylene3,1601.2:1Propane2,8284.3:1MAPP2,9763.3:14 more rows
At what angle should you hold the striker to the torch when you are ready to start?
At what angle should you hold the striker to the torch when you are ready to start welding with fuel gas? Usually, 45 degree striking angle is convenient !!
What is the position of torch head during cutting?
For cutting, the setup is a little different. A cutting torch has a 60- or 90-degree angled head with orifices placed around a central jet. The outer jets are for preheat flames of oxygen and acetylene. The central jet carries only oxygen for cutting.
How do you adjust an acetylene torch?
2:165:20How do you turn on an oxy acetylene torch? - YouTubeYouTubeStart of suggested clipEnd of suggested clipHold the torch handle in your hand. So that you can comfortably adjust the oxygen and acetylene tapsMoreHold the torch handle in your hand. So that you can comfortably adjust the oxygen and acetylene taps. Position the tip so that it faces away from you gently tighten the tip securing fitting.
What type of torch is used for cutting?
This article covers the standard type of cutting torch which is an acetylene torch set up. Pure oxygen is used for the cutting jet and it's mixed with either acetylene, propane, or commercial gas to provide the preheat flames.
What happens when you cut metal with a torch?
Well, the oxides that are created as you heat and cut your metal melt at lower levels than the actual metal itself and since the cutting torch has such force it is actually is forcing the molten material (oxides) through before the metal actually melts .
What color is the oxygen bottle for cutting torch?
Oxygen bottles are usually painted green, and acetylene bottles are commonly painted black but the one below is red. By they way, acetylene is highly flammable but oxygen bottles are by far the most dangerous.
What to keep away from cutting?
Keep anything flammable far away from your cutting area. This includes but is not limited to: solvents, paints, fuel, etc. If there are any rags, saw dust or paper in your work area be sure they are not smoldering because it's hard to notice it at first. So keep an eye out for things like this.
What to do if your clothes catch on fire?
Do not wear clothing made of synthetic material, or frayed clothing. If synthetic clothing catches fire it will melt your skin. Wear a good set of boots, and safety glasses.
Can you cut metal with a single tip?
If you don't have the exact size tip you can still cut the metal. You can probably get away with cutting different thickness meals with a small single tip.
How to use a cutting torch?
To use a cutting torch, first put on fire-retardant clothes, gloves, and goggles. Next, light the torch by holding the torch tip against the striker. Once you’ve adjusted the flame size to the right length, move the flame to the steel you want to cut and push on the cutting valve handle slowly.
How to vent the atmosphere on a cutting torch?
Open and close the oxygen valve on the torch to vent the atmosphere. There are 2 valves on the oxygen side of the cutting torch assembly. To begin with, open the valve closest to the hose several turns to ensure sufficient oxygen is available for both functions.
What is the setup on top of an oxygen tank?
The setup on top of the oxygen tank will be similar to that on the acetylene tank. The oxygen valve is a double-seated valve. When you open it, be sure to turn the handle so the valve is all the way open. Otherwise, the oxygen will leak out around the valve-stem O-ring.
How long does it take to heat a steel plate?
For room-temperature 1⁄4 in (0.64 cm) plate steel, this should take about 45 seconds. However, it will take longer for heavier material or material at low temperatures. ...
What to do if something catches fire?
2. Have a fire extinguisher on hand. For most projects, a compressed air and water extinguisher will work, but if oil, plastics, or other combustible materials are around, an "ABC" extinguisher is recommended. It’s also a good idea to have another person standing nearby who can alert you if something catches fire.
What to wear to burn on fire?
Fire-retardant clothing is recommended but, if that isn’t available, wear close-fitting cotton clothes. Nylon and most other common synthetic clothes will rapidly burn if caught on fire! Sturdy, leather-soled work boots are recommended . Hot pieces of metal, called slag, can easily burn through rubber-soled shoes.
How far can sparks fly from cutting?
Ensure your workspace is free of flammable materials. Working on bare earth or a concrete slab is highly recommended since sparks are going to fly many feet from the cutting location. Dry material like paper, sawdust, cardboard, and dried plant foliage or grass can be ignited from 15 feet (4.6 m) or further.