Product Center
Home » machining of gas cut surface
  • Solutions for cost effective and high-quality machining of ...

    Solutions for cost effective and high-quality machining of oil and gas valve body features . ... provides close hole tolerances and fine surface finish. It is based on standard tools and dedicated SpiroGrooving™ software, for an optimized result. ... metal cutting efficiency and machine utilization. Below are some key values our tools can offer:

  • 9 Types of Unconventional Machining Processes & Working | PDF

    Jul 25, 2020 · The unconventional machining is also called as non-traditional machining.. The unconventional machining use for the machine the hard and brittle materials such as carbides, stainless steel, Hastelloy, nitralloy, waspalloy, and any other that cannot be machined by a conventional process using the conventional machines such as lathe, milling, shaper, planer etc.

  • MATERIAL REMOVAL PROCESSES

    materials is removed by cutting tools. – A variety of work materials – ‘Repeatable’ regular geometries – Close tolerance (<0.025μm) – Smooth surface finish (0.4μm) – Waste, Expensive: Cost and Time – Other processes such as casting, forging, and bar drawing create the general shape – Machining provides the final shape ...

  • Surface Roughness Produced by Common Production Methods ...

    The chart below provides surface roughness values produced by common processing methods and is intended to be used as a general guideline. The ability of a processing operation to produce a specific surface roughness depends on many factors. For example, in surface grinding, the final surface depends on the peripheral speed of the wheel, the ...

  • Surface Machining - Engineering

    In many cases you may want to utilize some of the Prismatic Machining tools as well as Surface Machining tools. Open theRocker Mount Machining Process file from theRocker Mountfolder. This problem will use both prismatic and surface tools to complete the exercise.

  • ABRASIVE JET MACHINING - NIT C

    In abrasive jet machining, a focused stream of abrasive particles, carried by high pressure air or gas is made to impinge on the work surface through a nozzle and the work material is made to impinge on the work surface through a nozzle and work material is removed by erosion by high velocity abrasive particles. Process:

  • 9 Factors Affecting Laser Cutting Quality | MachineMfg

    (1) The gas helps to dissipate heat and assist combustion, and blows away the melted surface, so that the cut surface is better in quality. (2) The effect on cutting when the gas pressure is insufficient: The cut surface is fused or can not cut through The cutting speed …

  • The Difference Between Flame Cutting, Plasma Cutting and ...

    Feb 13, 2019 · However, unlike flame cutting, it uses an electrical arc to ionize and heat a gas to form plasma that is used to cut the material. The electrical arc is created at the plasma cutting torch through the use of a tungsten electrode. The workpiece is made to be part of the electrical circuit with the torch by using a grounding clamp.

  • Aerospace — High-Temperature Machining Guide

    — Reduces tool pressure and work hardening and improves surface finish When machining with PCBN tooling: • Use low-content PCBN grades for finishing and semi-finishing at low depth of cut, but optimize the cutting conditions for each individual part, and pay close attention to surface condition.

  • What is Feed Rate in Machining? Its Unit, Value, Effects ...

    Value of feed rate affects machining performance and economy, so an optimum value is always desirable. Typical values for feed rate in several conventional machining operations are provided below. Feed rate in straight turning—0.01 – 0.1mm/rev for finishing cut; 0.05 – 0.5mm/rev for rough cut. Feed rate in thread turning—Equals to the ...

  • Complete Surface Finish Chart, Symbols & Roughness ...

    A flame cut plate edge has a radically different surface finish than a ground surface, for example. Choosing a process that’s capable of achieving the desired surface finish is the first step in figuring out how to manufacture a part that requires a particular finish.

  • MACHINING FORMULAS - Paragon Machine Technology

    f. surface finish (rms, µin) rms = ra x 1.11 . g. cutting time (t) t = l.o.c. (in)/feed rate (in/min) h. horsepower required at machine spindle motor (hp. m) 3hp. m = (m.r.r. (in /min) x mat’l power constant )/spindle drive efficiency (%) ii. milling . a. cutting speed (surface feet per minute) s.f.m. = r.p.m. x cut …

  • Plasma Arc Machining process - SlideShare

    Apr 21, 2017 · At the same time an electrical arc is formed through that gas from the nozzle to the surface being cut, turning some of that gas to plasma. Due to the height concentration of the energy in a limited space, the material of the workpiece is wormed till the melting of a layer and the melted material is removed from the cut by the plasma jet

  • Surface Treatment That Improves Machining and Cutting

    Dec 23, 2020 · Surface Treatment That Improves Machining and Cutting. Purdue University researchers have developed a way to resolve the issue of “gummy” metals, and their discovery may help machinists improve their work and reduce process failures. Dec 23, 2020. It ’ s a strange-but-true fact about machining that hard metals (like iron and steel) can be ...

  • The Effect of Feed Rate and Cutting Speed to Surface Roughness

    Dec 21, 2008 · The variables investigated were cutting speed (Vc), depth of cut (d), feed rate (fr) and the surface roughness (Ra). The result indicates that machining parameter that had the highest influence on surface roughness is the feed rate followed by the cutting speed and the depth of cut. Finally experiment analysis was carried out to verify the ...

  • List of Process Parameters in Machining – Cutting Velocity ...

    In machining, three process parameters are (i) cutting speed or cutting velocity, (ii) feed rate and (iii) depth of cut. More details about these parameters are elaborated in the following sections. Process Parameter – 1: Cutting velocity (V c) Cutting velocity is the most important cutting parameter that provides necessary cutting motion (CM).

  • LECTURE NOTES ON

    slurry, cutting tool system design:- Effect of parameters on Material removal rate, tool wear, Accuracy, surface finish, applications, advantages & Disadvantages of USM. ABRASIVE JET MACHINING (AJM): Introduction, Equipment, Variables in AJM: Carrier Gas,

  • Flame Cutting: Dealing with the Heat Affected Zone – Make ...

    For example, if I need to machine a 6″ cube out of a heat-treatable steel that’s flame cut, I’ll cut the block with an extra 1/2″ per side so that I can remove the HAZ. For something smaller, like 1/4″ plate, I’d likely leave about 3/16″ excess material per side. This would allow me …

  • CO2 Laser Cutting (Industrial Application and Key ...

    CO 2 laser cutting uses a focus lens to gather CO2 laser beams on the material surface for melting them. At the same time, the coaxial compressed gas blows away the materials melt, making laser beams and materials do relative motions along a certain path and forming a certain shape of cutting seam. Since the 1970s, as the CO2 laser and the ...

  • 2.2. Cutting and Finishing Steel | American Institute of ...

    1. Milling, which is commonly used to bring members to their required length and end finish. 2. Face machining, which can be used to finish large areas to exact dimensions. 3. Planing. 4. Grinding, which is commonly used for edge preparation, including treatment of flame-cut …

  • Experimental investigation of cutting parameters in ...

    Mar 02, 2016 · This paper presents an approach for optimization of the effects of the cutting parameters including cutter speed, workpiece speed, axial feed rate, and depth of cut on the surface roughness in the machining of 100Cr6 steel with tangential turn-milling method by using genetic algorithm (GA).

  • What is Machining? A Guide to the Different Types of ...

    Jun 24, 2021 · The laser cutting process is well-suited for shaping steel or etching patterns into a piece of material. Its benefits include high-quality surface finishes and extreme cutting precision. Oxy-fuel cutting: Also known as gas cutting, this machining method employs a mixture of fuel gases and oxygen to melt and cut away material. Acetylene ...

  • Optimizing Plasma Cutting Quality Guide + Amperage Charts

    Different gas combinations will react with the cut metal edge and affect the weldability of the surface. Selecting the appropriate gas combination is a key component in ensuring high quality welds. The gases that may be selected for automated plasma cutting are …

  • Cutting processes - tolerance and surface roughness ...

    Dec 10, 2011 · Cutting processes – tolerance and surface roughness. December 10, 2011. EngineeringClicks. Here’s a useful table of tolerance and surface roughness achievable with cutting and machining process (collectively termed “material removal processes” or “ Subtractive Manufacturing “). More useful info on surface roughness designations can ...

  • Four New High-Performance Milling Techniques for 3D Machining

    Jul 13, 2020 · These four strategies will let you rough dramatically faster and achieve astonishingly fine surface finishes. Siemens used this test part to demonstrate new state-of-the-art milling techniques. It is made of tool steel hardened to 54 HRC and was machined on a Micron HPM 800U machining center. Something most shops doing intricate 3D machining ...

  • Mechanics of Machining Processes

    •Lack of an effective cutting fluid or low machine tool stiffness • Both chip types cause variations in cutting forces, and thus require stiffness in the tool holder, work holder, and machine tool to avoid machine vibration and chatter (which causes surface finish, …

  • HPAlloy Machining

    20 rows · The alloys described here work harden rapidly during machining and require more power to …

  • How to Slash 5-Axis Finishing Time | Modern Machine Shop

    Jul 17, 2020 · Finally there is an alternative to ballnose endmills for finishing 3D parts. The combination of finishing tools shaped to provide more cutting surface and a CAM system with the ability to apply them on a five-axis machining center can dramatically reduce finishing cycle times while delivering better surface finishes.

  • FACTORS AFFECTING QUALITY IN OXY-FUEL CUTTING

    Five regulator preheat controllers should be on every steel service center machine. These permit intense flame adjustment during preheat/pierce and softer settings during cutting to maintain maximum quality and efficiency and to minimize cost. 7. Natural gas is the preferred fuel gas in areas where it is available.

  • Cutting Processes - Application of Oxyfuel Cutting - TWI

    Best practice to ensure adequate quality of the cut surface is also included. Choice of fuel gas Basically, a mixture of oxygen and a fuel gas (acetylene, propane, MAPP propylene or methane) is used to preheat the metal to its 'ignition' temperature which is well below its melting point.