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  • What do you need to know about CNC Plasma cutting machines?

    These CNC plasma cutting machines were, however, generally limited to cutting patterns and parts in flat sheets of steel, using only two axis of motion (referred to as X Y cutting). Proper eye protection and face shields are needed to prevent eye damage called arc eye as well as damage from debris. It is recommended to use green lens shade #5.

  • Fabrication and W elding

    6.1 Cutting tool principles 212 6.2 The application of basic cutting tool angles to hand tools 214 6.3 Drilling, drilling machines and routing 226 6.4 Shearing sheet metal 239 6.5 Portable power tools 249 6.6 Blanking (stamping and piercing) 259 6.7 Flame cutting 263 Exercises 275 7 Sheet and plate metalwork 277

  • How is the operation of a grinding machine carried out?

    Grinding machine operation is also carried out for machining too hard material. The working principle of a grinding machine is quite easier to understand. In a grinding machine, there is an electric motor which supplies the motion power to the grinding wheel with the help of a belt and pulley.

  • What is a CNC Machine? CNC : Computerised Numerical ...

    Any CNC machine tool essentially consists of the following parts: Part program: • A series of coded instructions required to produce a part. • Controls the movement of the machine tool and on/off control of auxiliary functions such as spindle rotation and coolant. • The coded instructions are composed of letters, numbers and symbols. 19

  • Safety in gas welding, cutting and similar processes

    Oxy/fuel gas equipment has many uses - welding, cutting, heating, straightening, and descaling. The equipment is versatile, easy to move and cheap. It is so widely used that sometimes people forget about the dangers. Many people are injured each year by the incorrect or careless use of oxy/fuel gas equipment. Some people die.

  • Fabrication and W elding

    6.1 Cutting tool principles 212 6.2 The application of basic cutting tool angles to hand tools 214 6.3 Drilling, drilling machines and routing 226 6.4 Shearing sheet metal 239 6.5 Portable power tools 249 6.6 Blanking (stamping and piercing) 259 6.7 Flame cutting 263 Exercises 275 7 …

  • INTRODUCTION TO SHEET METAL FORMING PROCESSES

    A stamping press is a machine that houses the stamping tools (tooling) and carries them around according to the kinematics indicated by the user (process set-up). The knowledge of the press used for a stamping operation provides us with useful clues regarding: • Value and distribution of restraining forces

  • OXY-FUEL WELDING, HEATING AND CUTTING

    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.

  • MACHINING OPERATIONS AND MACHINE TOOLS

    A material removal process in which a sharp cutting tool is used to mechanically cut away material so that the desired part geometry remains •Most common application: to shape metal parts •Machining is the most versatile and accurate of all manufacturing processes in its capability to produce a diversity of part geometries and geometric ...

  • MACHINING OPERATIONS AND MACHINE TOOLS

    – A machine operation in which a work part is fed past a rotating cylindrical tool with multiple edges. (milling machine) • Types – Peripheral milling • Slab, slotting, side and straddle milling • Up Milling (Conventional) & down milling (Climb) – Facing milling • Conventional face, Partial face, End, Profile, Pocket & contour ...

  • The Welding Handbook

    A ship at sea depends upon the knowledge, skills and self-reliance of the crew to carry out necessary maintenance and repair work. One of the important skills required is a good command of modern welding techniques. The purpose of the Welding Handbook for maritime welders is to provide guidance

  • Metal casting processes - IIT G

    15) Runners and gates are made by cutting the parting surface with a gate cutter. A gate cutter is a piece of sheet metal bent to the desired radius. 16) The core for making a central hole is now placed into the mould cavity in the drag. Rests in core prints. 17) Mould is …

  • Arc-Welding

    and the hot cable electrode. An ionized column of gas develops to complete the circuit. Basic Welding Circuit The arc produces a temperature of about 3600°C at the tip and melts part of the metal being welded and part of the electrode. This produces a pool of molten metal that cools and solidifies behind the electrode as it is moved along the ...

  • Metal casting processes - IIT G

    15) Runners and gates are made by cutting the parting surface with a gate cutter. A gate cutter is a piece of sheet metal bent to the desired radius. 16) The core for making a central hole is now placed into the mould cavity in the drag. Rests in core prints. 17) Mould is now assembled and ready for pouring. Pour basin

  • What are the four basic requirements for oxy fuel cutting?

    Fig.1. Diagram of oxyacetylene cutting process There are four basic requirements for oxy-fuel cutting: the ignition temperature of the material must be lower than its melting point otherwise the material would melt and flow away before cutting could take place

  • 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 ...

  • Guidelines for Gas Cylinder Safety

    use of these cylinders, increased knowledge and understanding of the DO’s and DON’Ts is essential. For new users of gas cylinders, it is essential that they receive adequate training and guidance prior to use. These guidelines distill the experience and knowledge of various experts in an effort to provide guidance for safer handling of

  • OXY/ACETYLENE WELDING AND CUTTNG - Weldability | Sif

    Open the fuel gas control valve on the blowpipe and adjust the regulator to give the correct working pressure (see chart on page 13), this ensures that any air or oxygen is purged from the hose. Repeat the procedure for the oxygen side. Light the gas by means of a suitable sparklighter making sure that the sparklighter is held at right angles ...

  • Plasma cutting - Wikipedia

    Plasma cutting is a process that cuts through electrically conductive materials by means of an accelerated jet of hot plasma.Typical materials cut with a plasma torch include steel, stainless steel, aluminum, brass and copper, although other conductive metals may be cut as well.

  • The Welding Handbook

    A ship at sea depends upon the knowledge, skills and self-reliance of the crew to carry out necessary maintenance and repair work. One of the important skills required is a good command of modern welding techniques. The purpose of the Welding Handbook for maritime welders is to provide guidance

  • How is the cutting edge of a cutting tool formed?

    The cutting edge of the tool is formed by two intersecting surfaces. It is the surface between chip and top surface of the cutting tool. It is the surface along which the chip moves upwards. It is the surface between work piece and bottom of the cutting tool. This surface is provided to avoid rubbing with the machined surface.

  • FUNDAMENTALS OF WELDING

    Oxyfuel gas welding (OFW). These joining processes use an oxyfuel gas, such as a mixture of oxygen and acetylene, to produce a hot flame for melting the base metal and filler metal, if one is used. Although Davy discovered acetylene gas early in the 1800s, oxyfuel gas welding required the

  • Grinding Machine: Types, Parts, Working & Operations (With PDF)

    A grinding machine or grinder is an industrial power tool that uses an abrasive wheel for cutting or removing the m aterial. It is a process of metal cutting by using a rotating abrasive whee l from the surface of the workpiece. Generally, the grinding is finishing operation to show the high surface quality, accuracy of the shape and dimension.

  • “Electrical Safety in the Workplace”

    “Electrical Safety in the Workplace” 2 Course Goal – The aim of this program is to provide comprehensive on-site training to high-risk workers (i.e. skilled trades and maintenance workers) and management on the requirements of Sub Part S, and the prevention

  • Root Cause & Corrective Action (RCCA) Overview

    Probe (Part No.) is found out of specification at Keysight on date X. ... Root cause identification is the most important step. The problem will be solved only if the corrective action implemented is addressing the real root ... (Man, Methods, Machines, Materials)

  • Gasket - Wikipedia

    A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression . Gaskets allow for "less-than-perfect" mating surfaces on machine parts where they can fill irregularities. Gaskets are commonly produced by cutting from sheet materials.