Crusher Machine supplier -- Leader of crusher machine manufacturer in China

You are here:Home>>milling machine britannica

milling machine britannica

  • Machine tool Britannica

    Mar 16, 2018 The fourth egory covers modern machine tools and processes for machining ultrahard metals not machinable by older methods. Machine tools that form parts by removing metal chips from a workpiece include lathes, shapers and planers, drilling machines, milling machines, grinders, and power saws.

    Online
  • Machining centre machine tool Britannica

    Machining centre: A further development in the automation of machine tools is the "machining centre," usually a vertical milling machine fitted with automatic toolchanging facilities and capable of several axes of control. The tools, of which there can be more than 100, are generally housed

    Online
  • Electricaldischarge machining technology Britannica

    In machine tool: Electricaldischarge machining (EDM). EDM involves the direction of highfrequency electrical spark discharges from a graphite or soft metal tool, which serves as an electrode, to disintegrate electrically conductive materials such as hardened steel or carbide. The electrode and workpiece are immersed in a 

    Online
  • Plasma arc machining machine tool technology Britannica

    Plasma arc machining: PAM is a method of cutting metal with a plasmaarc, or tungsten inertgasarc, torch. The torch produces a highvelocity jet of hightemperature ionized gas (plasma) that cuts by melting and displacing material from the workpiece. Temperatures obtainable in the plasma zone

    Online
  • tool Students Britannica Kids Homework Help

    milling machine. milling machine. tool: milling. tool: milling. drill: common operations. drill: common operations. tool: power sawing. tool: power sawing. band saw: band machine. band saw: band machine. grinding: grinding machine. grinding: grinding machine. tool: grinding. tool: grinding. grinder: grinding machines.

    Online
  • milling machine britannica

    Milling machine, device that rotates a circular tool that has a number of cutting edges symmetrically arranged about its axis the workpiece is commonly held in a vise or similar device clamped to a table that can move in three perpendicular directions. Disk or barrelshaped cutters are clamped through holes in their centres 

    Online
  • milling machine Students Britannica Kids Homework Help

    The oldest extant milling machine dates from about 1825.

    Online
  • Electrochemical machining Britannica

    machine tools. Metal being cut on a lathe. In machine tool: Electrochemical machining (ECM). ECM resembles electroplating in reverse. In this process metal is dissolved from a workpiece with direct current at a controlled rate in an electrolytic cell. The workpiece serves as the anode and is separated by a gap of 0.001 to 

    Online
  • Machine tool Modifiions of basic machines Britannica

    Milling machines used for repetitiveproduction milling operations generally are classified as bedtype milling machines because of their design. The sliding table is mounted directly onto the massive bed of the machine and cannot be raised or moved transversely table movement is longitudinal only. The spindle head may 

    Online
  • tool Milling Operations Students Britannica Kids Homework Help

    tool Milling Operations A milling machine is used to form flat, curved, or irregular surfaces. The cutting action occurs when a workpiece is fed against one or more rotating tools called milling cutters, or mills. This operation is exactly opposite to that of a lathe, which removes metal by feeding a tool into a rotating workpiece.

    Online
  • Grinding machine Britannica

    All of the many types of grinding machines use a grinding wheel made from one of the manufactured abrasives, silicon carbide or aluminum oxide. The wheel is manufactured by mixing selected sizes of abrasive granules with a bonding agent (such as clay, resin, rubber, shellac, or silie of soda) and fusing them together 

    Online
  • Templatecutting method machinery Britannica

    In machine tool: Gearcutting machines. The templatecutting method uses a template to guide a singlepoint cutter on large bevelgear cutting machines. Read More. Related Topics. Machine tool · Tool · Cutlery · Saw · Router · Grinding machine · Lathe · Reamer · Drill press · Boring machine. MEDIA FOR: Templatecutting 

    Online
  • Feed motion Britannica

    feature of machine tools. Metal being cut on a lathe. In machine tool: Machinetool characteristics the tool is called the feed motion. Means must be provided for varying both. Read More. Related Topics. Machine tool · Tool · Grinding machine · Lathe · Reamer · Drill press · Boring machine · Milling machine · Planer 

    Online
  • Bedtype milling machine britannica

    Bedtype milling machine: operations generally are classified as bedtype milling machines because of their design. The sliding table is mounted directly onto the massive bed of the machine and cannot be raised or moved transversely table movement is longitudinal only. The spindle head may be adjusted vertically to 

    Online
  • milling machine britannica

    Milling machine, device that rotates a circular tool that has a number of cutting edges symmetrically arranged about its axis the workpiece is commonly held in a vise or similar device clamped to a table that can move in three perpendicular directions. Disk or barrelshaped cutters are clamped through holes in their centres 

    Online
  • Sawmill machine or plant Britannica

    A sawmill may be equipped with planing, molding, tenoning, and other machines for finishing processes. The biggest mills are usually situated where timber can be brought by river or rail, and the design of the mill is affected by the mode of transportation. Waterborne logs float into the mill and are dragged out in turn by a 

    Online
  • Machine Tools Britannica

    The shaping is accomplished in four general ways: (1) by cutting excess material in the form of chips from the part (2) by shearing the material (3) by squeezing metallic parts grinding wheel. Grinding machine. Grinding machine,, tool that employs a rotating abrasive wheel to change the shape or dimensions of a hard, 

    Online
  • Milling food processing Britannica

    Milling: For efficient extraction with water, malt must be milled. Early milling processes used stones driven manually or by water or animal power, but modern brewing uses mechanically driven roller mills. The design of the mill and the gap between the rolls are important in

    Online
  • Machine Britannica

    Machine: Machine, device, having a unique purpose, that augments or replaces human or animal effort for the accomplishment of physical tasks. This broad egory encompasses such simple devices as the inclined plane, lever, wedge, wheel and axle, pulley, and screw (the socalled simple machines) as well as.

    Online
  • Machine Tools Britannica

    The shaping is accomplished in four general ways: (1) by cutting excess material in the form of chips from the part (2) by shearing the material (3) by squeezing metallic parts grinding wheel. Grinding machine. Grinding machine,, tool that employs a rotating abrasive wheel to change the shape or dimensions of a hard, 

    Online
  • Machine tool Tool materials Britannica

    In many machinetool operations, cutting fluids or coolants are used to modify the harmful effects of friction and high temperatures. In general, the major functions of a coolant are to lubrie and cool. When cutting a screw thread, either on a lathe or with a tap, the lubriing function is most important in productiongrinding 

    Online
  • Machine tool Adaptive control Britannica

    Machine tool Adaptive control: Improvements in CNC machine tools depend on the refinement of adaptive control, which is the automatic monitoring and adjustment of machining conditions in response to variations in operation performance. With a manually controlled machine tool, the operator watches for changes in 

    Online
  • Machine tool Basic machine tools Britannica

    A milling machine cuts metal as the workpiece is fed against a rotating cutting tool called a milling cutter. Cutters of many shapes and sizes are available for a wide variety of milling operations. Milling machines cut flat surfaces, grooves, shoulders, inclined surfaces, dovetails, and Tslots. Various formtooth cutters are used 

    Online
  • Laser machining industrial process Britannica

    machine tools. Metal being cut on a lathe. In machine tool: Laser machining (LM). LM is a method of cutting metal or refractory materials by melting and vaporizing the material with an intense beam of light from a laser. Drilling by laser, although costly in energy since material must be melted and vaporized to be removed,

    Online
  • Machine tool Basic machine tools Britannica

    A milling machine cuts metal as the workpiece is fed against a rotating cutting tool called a milling cutter. Cutters of many shapes and sizes are available for a wide variety of milling operations. Milling machines cut flat surfaces, grooves, shoulders, inclined surfaces, dovetails, and Tslots. Various formtooth cutters are used 

    Online
  • tool Principal parts of a milling machine Students Britannica Kids

    tool Principal parts of a milling machine The columnandknee type is a milling machine that has many industrial uses. It consists of a base that supports a column. The front of the column is the face. A part known as the knee projects from the column and moves up and down on the face. It supports a table that travels 

    Online
  • Frederick Webster Howe American inventor and manufacturer

    He produced classic designs of several machine tools while still in his 20s: a profiling machine, a barreldrilling and rifling machine, and the first commercially viable universal milling machine. Howe supervised construction of a complete set of machine tools at the Robbins & Lawrence factory in Vermont to mechanize 

    Online
  • Diesinking metallurgy Britannica

    Diesinking: Diesinking,, process of machining a cavity in a steel block to be used for molding plastics, or for hot and cold forging, diecasting, and coining. The die block is mounted on a table while a verticalspindle milling machine with end cutters is used to shape the die. In most simple machines the.

    Online
  • Eli Whitney American inventor and manufacturer Britannica

    Miller & Whitney grossed about $90,000 the partners netted practically nothing. When Congress refused to renew the patent, which expired in 1807, Whitney concluded that "an invention can be so valuable as to be worthless to the inventor." He never patented his later inventions, one of which was a milling machine.

    Online
  • Milling Machine Definition of Milling Machine by MerriamWebster

    a machine tool on which work usually of metal secured to a carriage is shaped by rotating milling cutters. First Known Use of milling machine. 1849. See Words from the same year. NEW! Time Traveler. Learn More about milling machine. See words that rhyme with milling machine britannica: Encyclopedia article about 

    Online
Contact Us: E-mail: Sitemap