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  • Diffusion welding and sintering machine - Frisch GmbH

    Diffusion welding allows the manufacturing of low-stress and extensively homogeneous connections of various metals. The characteristic process parameters are the welding temperature, the compression as well as the welding time. To get the surface free of oxidation the process is done in vacuum or inert gas …

  • Plasma cutting for steel and aluminium - ZINSER cutting ...

    Cutting gases can be adapted to the materials to-be-cut: oxygen for mild steel; nitrogen, hydrogen or argon in case of CrNi Medium heat diffusion into the to-be-cut material (lower than in case of oxy-fuel) Reduced hardness increase on cutting edges Cut objects with metallurgically optimal surfaces (oxidized or …

  • Outgassing and Permeation

    Cutting fluids! Machine tooling! Post-machine cleaning! Surface protection and packaging The goal is low base pressure! Often the purpose of a smoother surface is cleanability or inspectability.! Machining of vacuum components is best accompshed with a sharp, single point tool.! Cutting fluids should not contain sulfur based lubricants.

  • The Ultimate Guide to Fiber Laser Cutting Machine

    The laser cutting of metal mostly adopts high power carbon dioxide continuous laser generator. When cutting, spray the inert gas flow, blow out the incision to melt the metal, and make the incision smooth and straight. The jet’s oxygen flow will increase the cutting speed.

  • US20140162167A1 - Gas diffusion layer for fuel cell ...

    A gas diffusion layer (GDL) for fuel cell applications that can prevented channels of a bipolar plate from being intruded. The gas diffusion layer is manufactured by cutting a GDL material at a certain angle such that a machine …

  • Industrial Oxygen Generator Price | PSA Oxygen Generator

    Scientific structure design and special gas diffusion devices avoid the high-speed impact of gas flow and the phenomenon of molecular sieve powdering. The use of an internal balance automatic compression device and unique molecular sieve filling technology improves the reliability of the long-term operation of the whole machine.

  • US20140162167A1 - Gas diffusion layer for fuel cell ...

    The gas diffusion layer is manufactured by cutting a GDL material at a certain angle such that a machine direction of the inherent high stiffness of the GDL material is not in parallel with a major...

  • Diffusion bonding - Wikipedia

    Diffusion bonding or diffusion welding is a solid-state welding technique used in metalworking, capable of joining similar and dissimilar metals. It operates on the principle of solid-state diffusion, wherein …

  • How to Determine the Diffusible Hydrogen of Mild Steel ...

    Jul 11, 2019 · The gases are then separated with a packed molecular sieve column and analyzed with a thermal conductivity detector (TCD). But regardless of the method of measurement used (Gas Chromatography, Glycerin Method, or Mercury Method) the measured volume in ml of hydrogen must be converted to standard atmospheric temperature and pressure – again ...

  • 2017 ERS/ATS standards for single-breath carbon monoxide ...

    2017 ERS/ATS standards for single-breath carbon monoxide uptake in the lung Brian L. Graham1, Vito Brusasco2, Felip Burgos3, Brendan G. Cooper4, Robert Jensen5, Adrian Kendrick6, Neil R. MacIntyre7, Bruce R. Thompson8 and Jack Wanger9 Affiliations: 1Division of Respirology, Critical Care and Sleep Medicine, University of Saskatchewan, Saskatoon, SK, Canada. 2Dept of Internal Medicine ...

  • Diffusion Air Purpose in DLN2.6 | Automation & Control ...

    Apr 18, 2017 · Apr 15, 2017. #3. Hi CSA. Unfortunately, there is no mention of diffusion air in the operation manual. Also I asked the GE consulting office in my plant, and they seem have no information about it. what puzzles me is that when you look at the cutaway of the fuel nozzle of DLN2.6, you will see five passages (premix gas, diffusion gas…

  • Gas-Cutting: Process, Techniques and Advantages | Welding

    The process consists of preheating the metal to be cut to its ignition (oxidation) temperature, i.e., above 870°C in case of steel. The preheating is done by oxy-acetylene gas flame, which is supplied from surrounding openings of the cutting torch. When this temperature is attained, a jet of high pressure oxygen from a central opening of the cutting torch is directed on the red hot metal.

  • Diffusion Welding | Article about Diffusion Welding by The ...

    Diffusion welding is used mainly in the electronics industry, in machine building, and in the manufacture of metal-cutting tools and dies. The use of diffusion welding is limited by the expensive and complex apparatus required.

  • YaeTek 12PCS Oxygen & Acetylene Torch Kit Welding ...

    Application - Welding and Cutting -- This YaeTek gas welding torch kit is used for cutting, welding, heating, with precision and efficiency. Material -- heavy duty metal and brass, with high strength, …

  • Oxy-Acetylene Cutting Processes | Metallurgy

    ADVERTISEMENTS: Subject-Matter of Oxy-Acetylene Cutting Process: In modern steel-age the steel-makers cut Iron and Steel by oxy-acetylene, oxy-hydrogen, oxy- propane, oxy-natural gas cutting blowpipes easily, speedily, and cleanly. Cutting …

  • Lasers cutting with fiber laser - ZINSER cutting systems

    ZINSER 1825-S Fiber Laser cutting system. The ZINSER 1825-S Fiber Laser is a high-quality guiding machine for laser and plasma cutting and for combined cutting tasks. The portal machine unites the required speed and precision for laser and plasma cutting with the robustness and longevity of an industrial machine. Read More ».

  • Maintenance and Troubleshooting of Oil Diffusion Pumps

    performance of oil diffusion pumps in a production environment. How oil diffusion pumps work . Diffusion pumps differ from conventional mechanical pumps in that they use a high - speed jet of fluid to direct gas …

  • US Patent for Gas diffusion layer for fuel cell ...

    Feb 18, 2014 · The gas diffusion layer is manufactured by cutting a GDL material at a certain angle such that a machine direction of the inherent high stiffness of the GDL material is not in parallel with a major flow field direction of a bipolar plate to prevent the GDL intrusion into the channels of the bipolar plate without modifying an existing method for manufacturing the gas diffusion layer. With the gas diffusion layer, …

  • Physics of Laser Cutting - Massachusetts Institute of ...

    Note that a gas assist can be used to speed cutting of metals. (Chryssolouris, 1991) ... If v s exceeds the normal rate of heat diffusion into the material ... This highlights the importance of beam focusing in laser machine design. Cutting Rates.

  • Amazon.com: KUNTEC Victor Style Cutting Torch CA1350 ...

    Cutting torch and handle are ready for multiple gas options; Oxy-Acetylene, Propane, Butane, Natural and LP Gases, and Propane Connection: B fitting (9/16" - 18), 1pc 3#101 cutting nozzle,built in …

  • Welding and Cutting Equipment ... - Diffusion Engineers

    7 rows · Welding And Cutting Equipments. Diffusion's Equipment is an accredited importer and supplier of a wide range of welding machines, gas equipment, protective gear and compressed gases. By adhering to basic good business principles, we can commit to excellence in service and a high level of customer satisfaction. Our equipment is thoroughly tested on-site before being offered to our customers.

  • The Ultimate Guide to Fiber Laser Cutting | MachineMfg

    Laser Generating Gas. Laser generating gas is different from cutting gas. Laser generating gas composition: N 2: The energy generated by the RF generator first excites N 2, causing it to be in a transition state.. CO 2: N 2 in the transition state will excite C0 2 which causes CO 2 to transition, and releases the laser.. He: Absorb CO 2 and excess energy, cool the system and turn it into heat.

  • (PDF) Cryogenic Machining: A Sustainable Solution ...

    Cutting inserts are exercised in the metal cutting. Fig. 3 Shapes of cutting inserts [12] The properties of the inserts are lower friction between tool-chip interface, higher adhesion, higher resistance to wear and cracking, acting a diffusion barrier, higher hot hardness and impact resistance [12]. VI.

  • Conroe Welding Supply:

    Conroe Welding Supply, Inc. offers welding equipment, industrial and safety supplies, as well as industrial, beverage and medical gas products.We can provide the equipment for your next …

  • Development of a diffusion bonding technique for attaching ...

    The development of the gas pressure diffusion bonding technique for attachment of Stratapax diamond cutters to studs or bit blanks is reviewed in this paper. This paper updates the results presented previously on this continuing project at Sandia Laboratories conducted for the Division of Oil, Gas, Shale and In Situ Technology, Department of ...

  • Emtech, Inc.

    Machine shop services like cutting, balancing, welding, alignment and performance analysis Load testing and vacuum pressure impregnation In addition to our extensive service capabilities, we are also authorized distributors of the best motor , pump , and generator manufactures in the business.

  • Diffusion Bonding Builds Complex Metal Parts with Internal ...

    May 14, 2020 · Diffusion Bonding Builds Complex Metal Parts with Internal Passageways May 14, 2020. A unique additive manufacturing (AM) process is helping precision machine shops create metal parts with complex internal cooling passageways or channels for dispsensing liquids or gases, layer by layer using the diffusion …

  • High temperature Cr-Zr interaction of two types of Cr ...

    Apr 15, 2021 · All the cutting works were done by an automatic cut-off machine (ATM Brillant 250) with a diamond cutting wheel. The cutting rate was 0.05 mm/s, and the samples were protected by cooling water during cutting. ... All the diffusion tests were done in inert gas …

  • US Patent for Gas diffusion layer for fuel cell ...

    Feb 18, 2014 · A gas diffusion layer (GDL) for fuel cell applications that can prevented channels of a bipolar plate from being intruded. The gas diffusion layer is manufactured by cutting a GDL material at a certain angle such that a machine …