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  • Oxy-fuel welding and cutting - Wikipedia

    damage to health are continuously optimized and improved – this also applies for thermal cutting. For gas flame cutting, plasma cutting and laser cutting – all processes of thermal cutting – the composition of the basic material is important with regards to the chemical composition of the particulate matter, i.e. the dust.

  • Welding - Fumes And Gases : OSH Answers

    Oct 09, 2003 · Unfortunately, the best size and uniformity of welding and cutting tips to use can be a source of confusion for users. Tip Design. Tip design is based on the flame characteristics of the fuel gas used, as well as the intended use of the cutting tip. Cutting tips come in one-piece and two-piece styles.

  • training.gov.au - MEM05018 - Perform advanced welding ...

    WELDING ENGINEERING AND TECHNOLOGY - Thermal Cutting - Branko Bauer, Maja Remenar ©Encyclopedia of Life Support Systems (EOLSS) The cutting of metals using rapid oxidation is perhaps best known through the use of oxyfuel gas cutting.

  • The safe use of compressed gases in welding, flame cutting ...

    12.0 Gas Cutting 40 13.0 Oxy-fuel Cutting Procedures 42 13.1 Cutting Attachment Operation 42 13.2 Setting Up 43 13.3 Lighting Up 44 13.4 Closing Down 45 14.0 Oxy-acetylene Cutting Techniques 46 14.1 How it Works 46 15.0 Using the Cutting Assembly 48 16.0 Mild Steel Cutting 49 16.1 Thin Steel 49 16.2 Thick Steel 49

  • For welding and cutting | NIPPON GASES

    When using an oxygen-fuel gas process to perform welding or cutting, the operator must wear proper goggles or a full face shield fitted with at least a shade five (5) lens filter.The correct type and shade of lens must be used at all times. For current information refer to the current version of AS/NZS1338.1:1992 for gas welding.

  • SANS 10238: Welding and thermal cutting processes - …

    Gases generated by the process Carbon monoxide and carbon dioxide Nitrogen monoxide and nitrogen dioxide Ozone Organic gases Degreasing solvent gases

  • WELDING AND THERMAL CUTTING

    1. Describe the oxyfuel gas cutting process and list commonly used fuel gases. 2. Discuss which metals can be cut using the oxyfuel gas cutting process. 3. Describe the eye protection that must be used for flame cutting. 4. Tell how to determine the correct size and type of tip for a specific job. 5. Demonstrate how to properly set up a cutting ...

  • WELDING AND THERMAL CUTTING

    Jun 30, 2015 · In gas cutting, a torch is used to heat metal to its auto-ignition temperature and a stream of oxygen is then trained on the metal, turning it into a metal oxide that flows out as slag. Acetylene is the most common gas used for fueling cutting torches.

  • Cutting Torch Safety - Welding Tips and Tricks

    Aug 20, 2010 · Topic Welding Industry / Inspection & Qualification / using free hand gas cutting By bert lee Date 08-20-2010 01:33 hi to all holes for bolting connections are made using free hand gas cutting.

  • What do you need to know about thermal metal cutting?

    Apr 17, 2020 · Acetylene is one of the industry-standard methods of cutting of all the Industrial Thermal Cutting Processes, but when Propane (LPG) was introduced to the market the whole thermal cutting process changed and the battle between Propane (LPG) and Acetylene was born. Which gas really Cuts better? Let’s go on and discuss some advantages and disadvantages of our contenders…

  • These harmful substances are created during thermal cutting

    Welding and cutting activities can generate gases that are hazardous to health. The gas or gases generated and their concentrations depend on the process used and the gas formation mechanisms.

  • Welding & Cutting | wittgas.com

    Health hazards of gas welding and flame cutting are mainly due to the radiation and toxic fumes or gases emitted during the process. The resultant health problems include: eye injuries, such as eye discomfort and burns from the intense light and heat emitted from the operation,

  • These harmful substances are created during thermal cutting

    Oxy-Fuel Gas Cutting and Welding Operation of oxy-fuel torches involves oxygen and flammable gases under pressure, open flames, flying slag and hot metal, meatl fumes and combustion products. Follow the precautions in this SAFETY section and those throughout this manual for …

  • Information on Cutting Gases,

    Welding and cutting activities can generate gases that are hazardous to health. The gas or gases generated and their concentrations depend on the process used and the gas formation mechanisms. Gases, some of which may be hazardous, are inherent in some processes, either as a shielding gas to protect the molten weld pool against atmospheric contamination or, for flame processes, as a …

  • THERMAL CUTTING: WHICH HAZARDOUS SUBSTANCES ... - …

    Apr 16, 2017 · Both oxygen and fuel gases are filled in cylinder at high pressure. These gases cannot use at this high pressure for welding work so a pressure regulator is used between flow. It supplies oxygen at pressure about 70 – 130 KN / M2 and gas at 7 – 103 KN / M2 to the welding torch.

  • CODE OF PRACTICE - Labour

    Application. This unit describes the skills and knowledge required to carry out basic welding, thermal heating and cutting operations. It involves preparing for the task, setting up and operating an oxyacetylene plant, setting gas pressures, identifying and adjusting flame appropriate for welding, thermal heating or cutting requirements, selecting and using suitable personal protective ...

  • Oxy-Acetylene Cutting Processes | Metallurgy

    Welding and cutting operations present a variety of hazards, not only to those carrying out the operation but in many instances to others in the vicinity. In the workshop there are a number of hazards specific to welding or cutting. In addition, there may be other hazards of a more general nature present in the fabrication environment.