Oxyacetylene Welding Unit 1 Information Sheet.
Oxy-acetylene Welding: A Comprehensive Treatise on the Practice of Welding Cast Iron, Malleable Iron, Steel, Copper, Brass, Bronze, and Aluminum by the Oxy-acetylene Methods, Together with Concise Information on the Equipment Required for Both Welding and Cutting by this Process Volume 12 of Machinery's mechanical library: Author: Samuel Wylie.
The low-pressure blow pipe or welding torch is used to carry the acetylene at low pressure (0.02 bars) from acetylene generator. It is used in low pressure oxy-acetylene welding. The pressure of acetylene drawn from the generator is quite low, i.e., less than 0.07 bar. The different part of low press-welding torch is shown in Fig. 7.6 (a).
Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. When mixed together in correct proportions within a hand-held torch or blowpipe, a relatively hot flame is produced with a temperature of about 3,200 deg.C.
Oxy-acetylene welding has become less popular in industrial applications over the years, but is still used extensively in field and shop work. Oxy-acetylene is quite common in automotive repair shops, as well as plumbing applications, fabricating, and even artisan welding.
This Oxyacetylene weld troubleshooting guide is easy to use. Simply find the problem in the table of contents or match one of our many illustrations to the problem. Often acetylene welding issues occur when one of the basics wasn’t performed properly. This includes: Only weld bare metal with all paints, oils and rust removed.
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SAFETY RULES FOR OXY-ACETYLENE WELDING. Always use goggles when welding or cutting. Use aprons and gloves. Do not point the flame towards the regulators and. another person. When finished welding shut off the main valves, bleed. the lines and loosen the regulator adjusting screws.