Oxyfuel Gas Welding & Cutting

Slides:



Advertisements
Similar presentations
Objective Examine Oxy-fuel procedures.
Advertisements

OXYGEN-ALTERNATE FUEL TORCH EASY SET UP June 4, 2011 Chad Koens District Manager
Oxyfuel Welding and Cutting Equipment, Setup, and Operation
Using Gas Welding Equipment
Oxyfuel gas welding and cutting
1 Copyright  2004 Lincoln Global Inc. Oxyfuel Gas Welding & Cutting Equipment.
UNIT: Oxy-Fuel Welding, Brazing, Cutting and Heating LESSON: OXY-ACETYLENE EQUIPMENT SAFETY Standard B7.2 – Know how to properly set up, adjust, shut down.
Harkness career center
Oxy Fuel Cutting Systems Basic Setup & Use
Work Area Area Should be Clear and Free of Combustibles
Oxy – Fuel Torch Ag Mechanics.
Oxyacetylene Torches.
Oxyfuel cutting NCCER Welding Unit 2.
OxyFuel Equipment Section 7
OxyFuel Equipment.
Oxygen/ Fuel Cutting and Welding By Ryan Saucier.
1 HVACR316 – Piping Torches, Tanks, and Tips. 2 Soldering Basics Soldering is a process used to join piping and tubing to fittings. It is used primarily.
Oxy Fuel Cutting Systems Basic Setup & Use
Gas Welding (Oxy-acetylene)
Gas Heating, Cutting, Brazing, and Welding
Technology Education Dept. Bellwood-Antis High School Mr. Crowell Mr. Mackereth.
1 Copyright  2004 Lincoln Global Inc. Oxyfuel Gas Welding & Cutting OFW&OFC.
UNIT: Oxy-Acetylene Welding, Brazing, Cutting and Heating
OXY-ACETYLENE TORCHES Protect your head and eyes by wearing proper welding goggles or face shields equipped with a minimum shade 5 lens. Protect your.
Proper Procedures for Oxyacetylene Processes
OXYFUEL WELDING. INTRODUCTION Oxyfuel welding is a welding process where the heat for fusion is supplied by a torch using oxygen and a fuel gas. Several.
Oxy-fuel Welding and Cutting By: John Templeton
Unit 4: Oxyacetylene Welding and Cutting in Agriculture
Oxyacetylene Welding (OAW)
Oxyfuel Welding Equipment
Oxygen/ Acetylene Cutting & Safety By Keith Dover.
Andrew Brock. Terms  The burning qualities of gases are used in Ag Mechanics to heat, weld and cut metals  Weld- to join by fusion  Fusion- melting.
Welding and Cutting Safety Safety Unit Lesson 5. Oxy-Fuel Welding & Cutting Oxy-fuel welding and cutting are the most common causes of fires in the welding.
Terms and Definitions Base Metal: Metal to be welded Fusion Welding: process that joins metals by heating them to a melting point and allowing them to.
Oxygen/ Acetylene Cutting & Safety By Keith Dover.
Teknologi Dan Rekayasa
Oxy Fuel Welding Basic Setup & Use
Oxy/fuel gas welding and cutting equipment.
Oxyfuel Cutting And Welding. Introduction  Oxyfuel: the process of combining pure oxygen with a combustible fuel gas to produce a flame  Can be used.
Gas Welding.
Cutting with Oxyfuels and Other Gases
Oxygen Acetylene Equipment Oxygen = Green Acetylene = Red.
1 HVACR316 - Piping Torches, Tips, Tanks Torches, Tips, Tanks.
Oxy Acetylene Welding and Cutting
CHECK VALVES Are installed to prevent the reverse flow of gases that would result in a combustible mixture in the welding hose, check valves are mounted.
Metal Fabrication Oxygen & Acetylene Integra ® Cylinders 2014.
Oxygen Acetylene Welding
Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Unit 23 Using Gas Welding Equipment.
Oxyacetylene Welding (OAW)
Welding and Cutting Safety
Copyright © 2010 Delmar, Cengage Learning. ALL RIGHTS RESERVED. Unit 24 Cutting with Oxyfuels and Other Gases.
Oxy-Fuel Welding. What is Oxy-Fuel Welding? Process the fuses metal together Does not require electricity Uses a torch and filler rod Similar equipment.
OxyFuel Gas Cutting and Welding Processes Unit 2 TSM 233.
The Welding/Cutting Torch Objective 25.0 Demonstrate proper procedures for oxyacetylene processes.
Oxyacetylene Welding / Cutting The oxyacetylene welding process uses a combination of oxygen and acetylene gas to provide a high temperature flame.
Oxy Fuel Systems Basic Setup & Use Mr. Lacey Livingston High school.
Teknologi Dan Rekayasa
Using Gas Welding Equipment
Oxyacetylene Welding Equipment
Proper Procedures for Oxyacetylene Processes
Oxyacetylene Welding Processes
Welding Trades Oxy Fuel Welding.
Oxyfuel cutting NCCER Welding Unit 2.
Oxyfuel Gas Welding & Cutting
Copyright © Texas Education Agency, All rights reserved.
Unit 22 Ag mechanics Using gas equipment.
Teknologi Dan Rekayasa
Oxy-Fuel Cutting: Say what?.
Oxygen/ Fuel Cutting and Welding
Oxygen Acetylene Cutting Torch
Presentation transcript:

Oxyfuel Gas Welding & Cutting Principles of the Processes

Principles of the OFW Process Bead without Filler Metal Bead with Filler Metal

Principles of the OFC Process

Which Fuel Gas? Acetylene Methylacetylene-propadiene Propylene Propane MAPP Propylene Propane Natural Gas Methan

Fuel Gas Characteristics

Fuel Gas Characteristics - continued

Fuel Gas Characteristics - continued

Oxyfuel Gas Welding & Cutting Equipment

Monolithic Porous Filler Material Vigorously Supports Combustion Cylinders High Pressure Hazard Safety Disc Flammable Monolithic Porous Filler Material Fusible Plugs Hollow Vigorously Supports Combustion 1/7th Rule Shock Sensitive Oxygen Cylinder Acetylene Cylinder

Oxygen Cylinder Valves CGA 540 Handwheel Packing Nut Upper Valve Seat To Oxygen Regulator Lower Valve Seat Disc Ruptures If Pressure Goes Too High From Oxygen Cylinder

Acetylene Cylinder Valves CGA 510 CGA 300 Handwheel Packing Nut Upper Valve Seat To Acetylene Regulator To Acetylene Regulator Lower Valve Seat From Acetylene Cylinder From Acetylene Cylinder

Acetylene Cylinder Valves - Linde (Presti-Lite) To Acetylene Regulator CGA 510 Tank Wrench Tee Wrench Valve Stem Packing Nut Upper Valve Seat Lower Valve Seat From Acetylene Cylinder

Alternate Fuel Cylinder Valves CGA 510 Handwheel Upper Valve Seat Packing Nut To Fuel Regulator Valve Relieves Excess Pressure Then Re-seats Itself Lower Valve Seat From Fuel Regulator

OFW & OFC Equipment Components Oxygen Regulator Fuel Gas Regulator Gas Hoses Torch Handle Mixer Welding Tips Cutting Attachment Cutting Tips Filler Metal Optional Gas Igniter 3

Regulators Oxygen Regulator Fuel Gas Regulator

Combination Welding Torch with Mixer and Welding Tip OFW Equipment Combination Welding Torch with Mixer and Welding Tip

OFC Equipment Combination Cutting Torch with Cutting Attachment Straight Cutting Torch

Torch & Cutting Valves

Equal (Positive) Pressure Mixer Injector (Low Pressure) Mixer Mixer Design Fuel Gas Oxy/Fuel Mix Oxygen Fuel Gas Equal (Positive) Pressure Mixer High Turbulence Fuel Gas Oxy/Fuel Mix Oxygen Fuel Gas Injector (Low Pressure) Mixer

Mixer Design - Continued Equal (Positive) Pressure Mixer Torch Head Oxygen Fuel Gas Tip Mixer Nut Mixer Torch Head Oxygen Fuel Gas Injector (Low Pressure) Mixer

Equal (Positive) Pressure Mixer OFC Head Mix Design Equal (Positive) Pressure Mixer

Injector (Low Pressure) Mixer OFC Head Mix Design Injector (Low Pressure) Mixer

Oxyfuel Gas Welding & Cutting Regulators

Which Regulator? Single Stage Regulator Use When Slight Rise in Delivery Pressure from Full to Empty Cylinder Condition Can Be Tolerated Two Stage Regulator Use When a Constant Delivery Pressure from Full to Empty Cylinder Condition is Required 13

Single Stage Regulator Bonnet Adjusting Screw Flexible Diaphragm Primary Spring Gas To Torch Gas From Cylinder Regulator Body Secondary Spring 13

Cylinder Pressure Gauge Working Pressure Gauge Cutaway Bonnet Gas From Cylinder Cylinder Pressure Gauge Adjusting Screw Secondary Spring Primary Spring Capsule Flexible Diaphragm Working Pressure Gauge Gas To Torch Regulator Body 13

Flow Chart

Two Stage Regulator Adjusting Screw Primary Spring Second Stage Regulator Body Bonnet Adjustable Second Stage Gas To Torch Gas From Cylinder Flexible Diaphragm Secondary Spring Primary Spring First Stage Pre-Set First Stage 13

Cylinder Pressure Gage Cutaway Regulator Body Gas From Cylinder Secondary Spring Cylinder Pressure Gage Bonnet Adjusting Screw Capsule Primary Spring Primary Spring Capsule Bonnet Flexible Diaphragm Working Pressure Gage Gas To Torch 13

Flow Chart

Torch Handles, Mixers, Tubes & Tips Oxyfuel Gas Welding Torch Handles, Mixers, Tubes & Tips

OFW Torch Handles Tip Mixer Handle Oxygen Oxygen Valve Mixed Gases Acetylene Acetylene Valve

OFW Welding Tip Information

OFB Brazing Tip Information

Air-Fuel Soldering Tips 16GA Gas Air Adapter with Soldering Tip (Together) 16GA Gas Air Adapter with Soldering Tip (Separated) ½” – 20 Threads

Air-Fuel Soldering Tip Information

Cutting Attachments, Cutting Torches, & Tips Oxyfuel Gas Cutting Cutting Attachments, Cutting Torches, & Tips

OFC Hand Cutting Torches Combination Torch with Cutting Attachment Cutting Lever Mixer Oxygen Oxygen Valve Cutting Tip Cutting Valve Union Nut Acetylene Acetylene Valve

OFC Cutting Tip Information

OFC Torch Specialty Tips Gouging 6290-G Gouging Tip

OFC Torch Specialty Tips Rivet Cutting 6290-R Rivet Cutting Tip Tie Down Cutting

OFC Torch Specialty Tips Rivet Washing 6290-RW Rivet Washing Tip

OFC Torch Specialty Tips Thin Sheet Cutting 6290-2D Thin Sheet Cutting Tip

Heating Assemblies, Tubes & Tips Oxyfuel Gas Heating Heating Assemblies, Tubes & Tips

Heating Tubes & Tips Information

Oxyfuel Gas Welding & Cutting Peripheral Equipment

Check Valves for Regulators Check Valve for the Torch

Open Oxygen Check Valve Closed Oxygen Check Valve Normal Gas Flow

Open Acetylene Check Valve Closed Acetylene Check Valve Normal Gas Flow

Dirty Oxygen Check Valve Dirty Acetylene Check Valve Dirty Check Valves Dirty Oxygen Check Valve Dirty Acetylene Check Valve Normal Gas Flow

Flashback Arresters for Regulators Flashback Arresters for Torches Flashback Arrestors Flashback Arresters for Regulators Flashback Arresters for Torches

Flashback Arrestor Oxygen Flashback Arrestor Acetylene Normal Flow Flashback Arrestor Oxygen Flashback Arrestor Acetylene Normal Gas Flow Normal Gas Flow Check Valve Flame Barrier Thermal Cut Off

Reverse Flow Flashback Arrestor Oxygen Reverse Flow Flashback Arrestor Acetylene Reverse Flow Normal Gas Flow Normal Gas Flow Built In Check Valve Stops Reverse Flow of Gas(es) Reverse Gas Flow

Flashback Flashback Arrestor Oxygen Flashback Flashback Arrestor Acetylene Flashback Normal Gas Flow Normal Gas Flow Flashback Flame Quenched at the Flame Barrier FLASHBAC OCCURING

Quick Connectors for Regulators Quick Connectors for Torches

Hoses Red (Acetylene) Hose Nuts Have Left-Handed Threads Green (Oxygen) Hose Nuts Have Right-Handed Threads “T” Grade Hose Required for all Fuels Except Acetylene

Hose Nuts Oxygen (Green) Hose Nuts Have Right-Handed Threads Acetylene (Red) Hose Nuts Have Left-Handed Threads

OFW Pressure Drop in Hoses

OFC Pressure Drop in Hoses

Tank Wrenches Tee Wrench Tank Wrench

Flint Lighter

Tip Cleaner Two Piece One Piece