Blame tradition machines methodological brief introduction

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Blame tradition machines a method (non-traditional machining method) it is to show distinction machines a method at traditional cutting, benefit chemically, physics (report, sound, smooth, hot, magnetism) or a series of machines a method floorboard that electrochemistry method undertakes machining to workpiece material. These treatment methods include: Chemical treatment (CHM) , electrochemistry is machined (machining of ECM) , electrochemistry (ECMM) , electric spark is machined (EDM) , report contacts treatment (RHM) , ultrasonic is machined (USM) , laser bundle machine (LBM) , ionic bundle treatment (IBM) , electron beam is machined (EBM) , plasma is machined (. Treatment of electric spark of treatment of electric spark of limits of application of characteristic of signal of classified principle principle is to use the high temperature that place of discharge of scintilla of the instantaneous between tool electrode and workpiece electrode produces data of surface of frit corrode workpiece will realize treatment. Electric spark machines a machine tool to reach working fluid to filter circularly by noumenon of orgnaization of pulse power source, automatic feed, machine tool commonly the partial composition such as the system. Workpiece is fixed go up in machine tool workbench. Pulse power source provides the energy that treatment requires, its are polar receive respectively go up in tool electrode and workpiece. When with workpiece when tool electrode the drive in feed orgnaization falls to be stood by each other in working fluid, extremely voltage puncture clearance and generation scintilla discharge, release much heat. Very high temperature is reached after workpiece surface layer absorbs quantity of heat () of 10000 ℃ above, its are local because material is fused even aerification and be divided to come down by corrode, form a tiny indentation. Working fluid filters circularly the working fluid that the system forces cleanness passes the space between tool electrode and workpiece with constant pressure, remove electric corrode product in time, filter electric corrode child from inside working fluid go out. The result that discharges for many times, workpiece surface produces a large number of indentation. Tool electrode drops ceaselessly below the drive of feed orgnaization, its outline appearance by " duplicate " go up to workpiece (although tool electrode material also can be divided by corrode, but its speed is far be less than workpiece material) . The machine tool of electric spark form cutting that processes corresponding work with the electrode tool of special entity -- -- the conductor that ① machines Gao Rong of hard, fragile, pliable but strong, soft to nod; Material of ② treatment semiconductor and non-conductive n material; ③ is machined all sorts of model aperture, curve aperture and small hole; ④ machines all sorts of stereo curved surface antrum, be like the impression of model of forging die, Die Casting, plastic pattern; ⑤ is used undertake cutting off, cut and undertake exterior aggrandizement, quarter write, the nameplate that print and mark. The electrochemical machining of electrochemical machining of machine tool of cut of electric spark line that processes work of appearance of 2 dimension outline with line electrode is to use a metal to produce zincous and deliquescent electrochemistry principle to have a kind of method of form cutting to workpiece in electrolyte. Workpiece receives anode of direct current source, the tool receives negative pole, polar between maintain narrow gap (0.

1mm ～ 0.

8mm) . Have constant pressure (0.

5MPa ～ 2.

The electrolyte of 5MPa) from polar 60m/s) of ～ of 15m/s of the high speed in the clearance between has flowed. When tool cathode to workpiece when ceaseless feed, the workpiece in face anticathode apparently, metallic stuff dissolves ceaselessly by the appearance of cathode face, electroanalysis child is taken away by high speed electrolyte, the figure of tool face is then corresponding the ground " duplicate " go up in workpiece. -- -- ① job tension is little, working electric current is big; ② processes a form with simple feed motion complex model face or model antrum; ③ can process difficult treatment data; ④ productivity is taller, the 5 ～ that machine for electric spark about 10 times; Mechanical cutting force or heat in metal cutting are not had in ⑤ treatment, comfortable Yu Yi is out of shape or the treatment of thin wall spare parts; ⑥ machines tolerancepublic errand on average to be able to amount to ± 0.

1mm left and right sides; ⑦ accessory equipment is much, cover an area of an area big, cost is high; ⑧ electrolyte corrodes a machine tool already, pollute an environment easily again. Electrochemical machining basically is used at treatment aperture, model antrum, complex model deep aperture of face, small diameter, rifling and undertake going burr, quarter imprint etc. Laser beam machining is finished by machine of laser beam machining to the laser beam machining of workpiece. Machine of laser beam machining is mixed by laser, power source, optical system normally the composition such as mechanical system. Laser (have solid laser and aeriform laser commonly usedly) it is electric energy change light energy, the laser that generation needs bundle, after focusing of classics optics system, illuminate undertakes machining on workpiece. Workpiece is fixed go up in workbench of 3 coordinate nicety, by control of numerical control system and drive, the feed that the treatment that finish needs moves. ① does not need to machine a tool; The power density that ② stimulates beam of light is very high, can machine to the metal of any difficult treatment and metalloid material almost; Dispute of ③ laser beam machining contacts treatment, workpiece is not had suffer force to be out of shape; The rate of ④ laser stiletto, cut is very high, the material all round treatment place suffers the effect of heat in metal cutting scarcely, workpiece heat is out of shape very small. Of ⑤ Laser Cutting cut seam narrow, cut brim quality is good. Laser beam machining pulls air cooling of type of filar model, horological lapidary bearing, diverge extensively already to rush with Yu Jingang stone piece lamina of engine of chew of fuel injection of poriferous envelope, engine, aviation alveolus is machined and the cut of material and metalloid material machines a variety of metals. Treatment of ultrasonic treatment ultrasonic is to use ultrasonic frequency (the tool end panel of vibration of 16KHz ～ 25KHz) pounds the suspension abrasive in working fluid, by grind bead to be bumped to workpiece surface cast grind a kind of method that will come true to be machined to workpiece. Supersonic generator is change of electric energy of labour frequency communication the oscillation of ultrasonic frequency report that has certain power output, this ultrasonic frequency through transducer electric oscillation change is supersonic and mechanical vibration, have the aid of enlarges a club at amplitude the displacement amplitude vibration by 0.

005mm ～ 0.

01mm magnifies 0.

01 ～ 0.

15mm, drive tool is oscillatory. Tool end panel pounds the in suspension in working fluid to wear bead in vibration, make its with very old rate, bump ceaselessly, cast grind by treatment surface, the blow after smashing the data that processes area into very fine particle comes down. The material that although be hit every time,comes down is very few, but the frequency as a result of blow is tall, still have fixed treatment rate. Because the loop of working fluid flows, the material particle that is come down by blow is taken away in time. As the tool extend gradually, its appearance " duplicate " go up in workpiece. -- -- -- -- -- -- -- when processing difficult cutting data, often cooperate supersonic vibration and other treatment method to have compound treatment, wait like cut of supersonic turning, supersonic grinding, supersonic electrochemical machining, supersonic line. These compound treatment methods plant two kinds at most very treatment method is united in wedlock together, can have the effect that learn from others's strong points to offset one's weakness, the exterior quality that makes process precision of efficiency, treatment and work rises significantly. CNC Milling CNC Machining