The document provides information on oxyacetylene welding (OAW) including the equipment, setup, safety procedures, and flame types. It describes how OAW uses oxygen and acetylene gases to produce a high-temperature flame. The typical welding station includes oxygen and acetylene cylinders, pressure regulators to reduce gas pressure, hoses to carry the gases to the torch, and check valves for safety. Proper startup involves checking for leaks, adjusting pressures, and using a spark lighter to ignite the flame. There are three main flame types - neutral, carburizing, and oxidizing - depending on the oxygen to acetylene ratio. Safety is paramount, such as never exceeding the maximum 15 PSI working pressure
this ppt pdf beneficial for 1st year engineering student who studying workshop technology. in this pdf types of joining, gas welding, arc welding, spot welding, tig welding, mig welding, soldering brazing and different welding defect has been discussed.
One of the welding processes that used in Engineering field is the TIG welding. There are several types of welding processes similar to this, but tig welding has its unique features.
Thanks for the colleagues who give this slides to publish.
this ppt pdf beneficial for 1st year engineering student who studying workshop technology. in this pdf types of joining, gas welding, arc welding, spot welding, tig welding, mig welding, soldering brazing and different welding defect has been discussed.
One of the welding processes that used in Engineering field is the TIG welding. There are several types of welding processes similar to this, but tig welding has its unique features.
Thanks for the colleagues who give this slides to publish.
Welding equipment's is the tools used in the welding
The following equipment's used in the welding
1. Power Source (AC or DC)
2. Electrode Holder
3. Welding Cables
4. Ground Clamp
5. Welding Electrodes
6. Welding Helmets & Hand Shield
7. Protective Cloths
8. Finishing tools – Wire brush, Chipping Hammers.
SMAW is one of the basic and most common of all welding processes. this presentation is geared towards helping the general public in understanding the fundamentals of SMAW process. Look out for my next series of publications...
Image result for welding
Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.
Welding equipment's is the tools used in the welding
The following equipment's used in the welding
1. Power Source (AC or DC)
2. Electrode Holder
3. Welding Cables
4. Ground Clamp
5. Welding Electrodes
6. Welding Helmets & Hand Shield
7. Protective Cloths
8. Finishing tools – Wire brush, Chipping Hammers.
SMAW is one of the basic and most common of all welding processes. this presentation is geared towards helping the general public in understanding the fundamentals of SMAW process. Look out for my next series of publications...
Image result for welding
Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.
ACETYLENE SAFETY & ACETYLENE PROCESS HAZARDSHashim Badat
Initially, this presentation was prepared and used as a training tool for Engineers and Process Technicians who worked on the Chemical process where acetylene was used as one of the raw materials. However, for the purpose of sharing it on this forum, it has been modified to include additional sections e.g. Basic chemistry, Acetylene manufacturing, etc.
Oxy acetylene can’t cut through rust, so when the oxygen hits the rust layer on the underside of the steel it will bounce back giving you a poor quality cut. Using the correct nozzle size will also make a big difference to the quality of the cut.
Any more suggestions to keep in mind? Here's a document about oxyacetylene awareness that keeps you in the loop?
#safety #oxyacetylene #awareness #oxygen #elearning
Anaesthesia Workstation for Residents.
With High pressure, Mid and low pressure workstation.
Explaining the Gas delivery with respect to safety features of the machine.
34. Acetylene is extremely unstable in its pure form at pressure above 15 PSI (Pounds per Square Inch)
35. Acetone is also present within the cylinder to stabilize the acetylene.
36. Acetylene cylinders should always be stored in the upright position to prevent the acetone form escaping thus causing the acetylene to become unstable.
37.
38. Cylinders have safety (Fuse) plugs in the top and bottom designed to melt at 212° F (100 °C)
39.
40. This will allow the cylinder to be closed quickly in case of fire.
41. Cylinder valve wrenches should be left in place on cylinders that do not have a hand wheel.
42.
43. PSI (pounds per square inch) is sometimes shown as PSIG (pounds per square inch -gauge)
49. attachment in place of the welding head shown. Welding torches of this general design are by far the most widely used. They will handle any oxyacetylene welding job, can be fitted with multiflame (Rosebud) heads for heating applications, and accommodate cutting attachments that will cut steel 6 in. thick.
50. A full-size oxygen cutting torch which has all valves located in its rear body. Another style of cutting torch, with oxygen valves located at the front end of its handle.
51.
52. Clean torch orifices with a “tip cleaners” (a small wire gauge file set used to clean slag and dirt form the torch tip)
53. Crack (or open) cylinder valves slightly allowing pressure to enter the regulators slowly
54. Opening the cylinder valve quickly will “Slam” the regulator and will cause failure.
55.
56. Check for leaks using by listening for “Hissing” or by using a soapy “Bubble” solution
67. The excess acetylene flame (Fig. 4-2), as its name implies, is created when the proportion of acetylene in the mixture is higher than that required to produce the neutral flame. Used on steel, it will cause an increase in the carbon content of the weld metal.
68. The oxidizing flame (Fig. 4-3) results from burning a mixture which contains more oxygen than required for a neutral flame. It will oxidize or ”burn” some of the metal being welded.