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    VII. CUTTING pg. 25 7.1 Oxy-Fuel Cutting Principles 7.2 Tip Selection 7.3 Cutting Steel 7.4 Piercing Steel 26 ting progresses and make sure that the flow of slag is clear and not blocked. Move the torch in a straight line to keep a straight cut, and move the torch at a uniform speed at which the flame is cutting through the metal.

  • What is cutting kerf? - ESAB Welding & Cutting

    When cutting parts on a CNC plasma or laser machine, you want to produce accurate cut parts, with final dimensions as close as possible to the programmed shape. So if you program a 6” by 6” square, and the plasma arc removes 0.200” of material, as it cuts, then the resulting part is going to be 5.8” by 5.8”.

  • CNC Gas Cutting Machine - CNC Gas Cutting Machinery Latest ...

    Call +91-8048761849. Contact Supplier Request a quote. CNC Gas Cutting Machine. ₹ 2.5 Lakh Get Latest Price. We have uniquely positioned in the market proffering the world-class range of CNC Gas Cutting Machine. They are available at the lowest rates. Features: Robust construction. Noise-free operation.

  • Cutting Torch Oxy fuel Safety - Understanding the Burning ...

    Cutting or burning of steel, requires an oxygen purity content of 99%. When steel is brought to its kindling temperature, the combustion process will initiate when oxygen purity of 99% is added directly to the steel. 6. If when cutting or burning steel using a oxy fuel cutting torch, the cut …

  • Safety in gas welding, cutting and similar processes

    Safety in gas welding, cutting and similar processes Page 8 of 11 If you flame cut outdoors and the metal is clean and unpainted you will not normally need RPE. Try to work in a position where the wind blows the fume cloud away from you and other people. If you flame cut indoors or in conditions were there is little air movement, the

  • How to Use a Cutting Torch Tip Chart | The Harris Products Group

    The Harris Cutting Tip Chart contains information on tip style/size selection, oxygen gas pressure settings (pre-heat flame and cutting stream), cutting oxygen gas orifice (center hole) sizing, fuel gas pressure settings, hose size recommendation, travel speed (machine cutting) and cut quality illustrations.

  • What kind of equipment do you need for gas cutting?

    These equipments are listed below: 1 Gas cutting torch. 2 Pressure regulators. 3 Gas cylinders. 4 Hose and hose fittings. 5 Goggles and glasses. 6 Gloves and apron. 7 Spark lighter and spanners. 8 Cylinder valves. 9 Chipping hammer and wire brush.

  • How much gas do you need to cut metal?

    This article contains general information that is applicable for hand cutting applications of metal up to 12" thick. Cutting metal greater than 4" may require specific gas volume (cubic feet per hour) supply and gas apparatus. Check with the torch manufacturer or your local industrial gas supplier for requirements.

  • Plasma Cutting Stainless Steel: 10 FAQ Answered By Experts

    1. Argon Hydrogen. Excellent quality cut, and particularly recommended for cutting thicker stainless steel. Argon-hydrogen gas is the hottest burning plasma gas and it is essential that your system is appropriately equipped for working with it. 2.

  • China Gas Cutting Machine, Gas Cutting Machine Manufacturers ...

    China Gas Cutting Machine manufacturers - Select 2021 high quality Gas Cutting Machine products in best price from certified Chinese Cutting Machine, China Machine suppliers, wholesalers and factory on

  • Fuel Gas & Melting Temperatures | Contenti

    Fuel Gas & Melting Temperatures Different fuel gasses (acetylene, propane, natural gas) burn at different temperatures and are best suited for different jewelry operations. This chart outlines the maximum temperatures at which common fuel gasses burn along with the melting points of some of the most common metals used in jewelry and metalsmithing.

  • Oxy-Fuel Cutting with Propylene

    For converting to propane or propylene type fuel gas, use the manufacturer's tip chart to select the right cutting or heating tip and set the fuel and oxygen gauges to what the tip chart dictates. The pressure settings might be very different from what you are accustomed to with acetylene.

  • Design of profile Gas cutting Machine

    Design of profile Gas cutting Machine Dound Pramod A1, Patil Ashish D 2, Patil Ganesh S.3 , Shinde Ravikumar C4 1,2,3,4 UG Student at Fabtech Technical Campus College of Engineering & Reserch, Sangola Maharashtra, India. -----***-----Abstract - The Gas Profile cutting machine is one of the essential machine tool in the workshop, in this study ...

  • SERVICE MANUAL - Continental Refrigerator

    fittings, use temperatures/amps draw for evaluation of system performance (see page 16 “Flow Chart for R-290”). 9. Remember, before working on any R-290 equipment to: Facts on Servicing Hydrocarbon R-290 PROPANE IS FLAMMABLE. You MUST observe caution and proper safety practices when servicing equipment with R-290.

  • What is flame cutting? - TWI

    Flame cutting is oxygen cutting in which the appropriate part of the material to be cut is raised to ignition temperature by an oxy-fuel gas flame (definition from BS 499:Part 1:1991 Section 7 No.72 002). Also known as oxy-fuel cutting, the process is used for separating and shaping steel components.

  • Service Tech’s Ice Machine Service Handbook

    Fan pressure sw ., cut out / cut in, PSIG 190 - 240 High pressure cut out / cut in, PSIG 500 / 390 Compressor Amps, beg . - end, freeze 5 .8 - 5 .0 Compressor Amps, harvest 6 .8 Cycle Time (minutes) Ambient Air Temp (deg . F) Water Temp 70 80 90 50 13 13-14 17 70 13-14 14 17-18 80 14-15 15 19-20 90 15-16 17 21-22 Low Side Pressures

  • Cut charts - Plasma Automation

    4-12 HPR260 Auto Gas Instruction Manual 5 Cut charts The following Cut charts show the consumable parts, cutting speeds and the gas and torch settings required for each process. The numbers shown in the Cut charts are recommended to provide high-quality cuts with minimal dross. Because of

  • Oxygen And Acetylene Use And Safety - Virginia

    •Auto-ignition temperature is 763o - 824o F. This means if acetylene reaches 30 psi in a free state, it can explode by itself without a spark or flame being present. • Has a burning temperature of 4,600o F. 5,700 o F when burned with oxygen. • Remember…. acetylene is a very dangerous gas.

  • The Ultimate Guide to Fiber Laser Cutting Machine

    Laser cutting uses the laser beam as the heat source for hot cutting, its working principle is similar to laser welding. The temperature of laser cutting exceed 11000 ℃, which would have made any material gasification, therefore gasification also plays an important role in addition to the melting during laser cutting process.

  • How To Select and Operate a Hand-Held Plasma Cutter [Guide]

    Jul 02, 2007 · Plasma cutting benefits. One cut is often all it takes. Fabricators, contractors, maintenance personnel, artists and do-it-yourselfers who experience the benefits of a hand-held air plasma arc cutting machine rarely want to return to oxy-acetylene cutting or mechanical cutting processes such as saws, cut-off wheels, shears and snips.

  • Oxy-fuel welding and cutting - Wikipedia

    MAPP gas can be used at much higher pressures than acetylene, sometimes up to 40 or 50 psi in high-volume oxy-fuel cutting torches which can cut up to 12-inch-thick (300 mm) steel. Other welding gases that develop comparable temperatures need special procedures for safe shipping and handling.

  • Fiber Laser Cutting Metal Techniques | IPG Photonics

    Flame cutting, also called reactive cutting, utilizes a laser beam coupled with oxygen gas or air to heat the substrate to its ignition temperature.While the heat produced by the laser beam melts the surface, the gas exothermically reacts with the substrate and creates an additional source of heat to form an oxide layer or slag.

  • The Ultimate Guide to Fiber Laser Cutting | MachineMfg

    We offer fiber laser cutting machines with power range from 1000-12000W, capable of cutting carbon steel up to 30mm and stainless steel up to 45mm.. The laser generators and cutting heads are international brands, such as Precitec, Raytools cutting heads, IPG laser source, etc.


    9. Be skeptical of claims made by proprietary fuel gas suppliers for hotter flame temperature, faster cutting speed or better cut quality. Cutting speed on a thin plate (less than or equal to 1/2”) is controlled by preheat intensity (flame temperature) and in heavier plate cutting by oxygen stream shape and quality, not the fuel type.

  • How Does The Oxy-Fuel Cutting Process Work? | Park Industries

    Jul 30, 2019 · Preheat flame temperatures will range from 4,440° to 6,000° F depending upon the fuel gas used and the adjusted ratio of oxygen to fuel gas. How Thick!? Mechanized oxy-fuel machine torches, which are normally either 10” or 18” in length, are typically rated for cutting up to 12” to 15”.

  • Laser Cutting Thickness Guide on Laser Power, Lens and ...

    We have compiled this guide for the laser system that we sell, which gives you a good idea of all kinds of materials that a laser can mark, engrave, drill and cut from the …

  • R-404A Refrigerant Pressure Temperature Chart

    Mar 20, 2019 · R-404A Pressure Chart. R-404A rose to prominence in the late 1990’s with the phasing out of CFC and HCFC refrigerants like R-12 and R-502. There had to be a replacement for the Ozone damaging refrigerants of the past and the successor was the HFC R-404A that we all know of today. 404A’s reign however was short lived.

  • Different Types of Welding Gases And Their Use

    The most abundant natural gas and makes up the majority of our atmosphere. Nitrogen can be used in shielding (for plasma cutting or laser welding). It can be mixed to form blends with other shielding gases and that allows for some specialist usage, this gas won’t work with carbon steel but can work very well with nitrogen-rich metals.

  • GER-4610 - Exhaust System Upgrade Options for Heavy Duty ...

    exhaust gas flow path from the base plenum to the interfaces with the downstream exhaust system. The side and roof panels direct the exhaust gas to the right or left-hand side of the unit. Some units use two side panels and re-direct the exhaust gas straight up. The floating liner system is applied over the internal insulation for free

  • Mississippi Welders Supply Co., Inc.

    Mississippi Welders Supply Co. (MWSCO) is your best choice for welding supplies, cryogenic gases, analytic gases, industrial gases, metal fabricating equipment, industrial automation and robotics, industrial supplies, PPE and fire safety equipment. With eleven locations to serve our growing customer base throughout Minnesota, Wisconsin, and ...


    spot on the metal to the kindling or ignition temperature (between 1400°F and 1600°F for steels). The term for ... in cutting: acetylene, MAPP gas, and oxygen. 4-1. Figure 4-1.—Oxygas cutting ...

  • Oxyfuel Cutting - Process and Fuel Gases - TWI

    Oxy-fuel cutting is a thermal cutting process that uses oxygen and fuel gas (such as acetylene, propane, MAPP, propylene and natural gas) to cut through materials. The oxyfuel process is the most widely applied industrial thermal cutting process because it can cut thicknesses from 0.5mm to 250mm, the equipment is low cost and can be used ...

  • Laser Cutting with nitrogen | Linde Gas

    With nitrogen cutting, increasing the nitrogen pressure will result in faster cutting speeds. This speed gain is limited by the cooling effect of high-pressure gas flows. For mild steel and stainless steel thick sheets, the ideal pressure lies in the region between 10 and 15 bar. Higher figures are possible with the most powerful lasers available.

  • Which is a characteristic of the gas cutting process?

    The successfulness of gas cutting process depends upon two factors: (i) It employed only when the ignition (oxidation) temperature of the metal being cut is lower than its melting point. (ii) The process involves ensuring that the melting points of the formed oxides are lower than that of the base metal itself.

  • Oil Temperature - an overview | ScienceDirect Topics

    If vaporized oil–gas ratio is required, it must be calculated from any of the R v correlations of Appendix A, Oil Correlations Formulae. If the MBO approach is to be used, the flow chart of Fig. 6.4 is applied. In this sequence of calculations, pressure, temperature, initial solution GOR, and …

  • Six Steps For Ice Maker Diagnostics - ACHR News

    Jul 01, 2003 · Air temperature/airflow restrictions, etc. Reinstall in accordance with installation manual. Air space clearances at back and sides of ice machine. Must have a minimum of 5 inches clearance around all sides and top of machine. Ice machine not level side to side, back to front. Level the machine. Air-cooled condenser dirty. Clean the condenser.

  • Automation of VFFS Machine

    Automation of VFFS Machine ... while the filled pouch is cut from the descending film tube by a knife in the cross jaws. ... injecting an inert gas, like carbon monoxide, into the package cavity before it is sealed. A vertical overlap seam and bottom seal are applied. The pouch is then filled and a top seal applied while a

  • Temperature Compensation | Modern Machine Shop

    Aug 01, 1998 · Temperature stratification within a room may create temperature differences between components placed near the floor, and components placed on a high shelf. The relative masses of the components may make a difference. For example, an engine block may take longer to reach equilibrium with ambient temperature than a bore gage.


    Oxygen/Acetylene welding, or “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 hot flame is produced with a temperature of about 3,200°C. The chemical action of …

  • Automatic Gas Profile Cutting Machine - Portable shape ...

    For more information, call +91 8800882983, 8826529614 or visit gas cutting machine is...