Showing posts with label Electrical. Show all posts
Showing posts with label Electrical. Show all posts

Sunday, May 8, 2016

Electrical Discharge Machine Buying Tips

Electrical Discharge Machine Getting Tips


Electrical Discharge Machining or EDM is electrical equipment or a machining method that is utilised for challenging metallic materials. It is primarily utilized on challenging metals that can not be processed by conventional techniques and strategies. Electrical Discharge Machining, however, only functions with metallic objects that are electrically conductive. EDM can reduce tiny unusual shaped angles, complicated curves and outlines in many types of really difficult steels and exotic metals like titanium and carbide just to name a handful of.


1. How It Works


Sometime referred to as spark machining or spark eroding. Electrical discharge machining is a technique of removing material by a series of swiftly recurring electric discharges among the cutting tool and the work piece, in the presence of an energetic electrical field. The EDM equipment is guided quite close along the desired path but it does not touch the metallic piece. Rather the sparks create a series of micro-crates on the metallic piece and eliminate supplies along the desired path by melting and vaporizing them. The wasted particles then are washed away by the continuous flushing of dielectric fluid.


two. Decide on Your Variety Of Machine


Initial you ought to specify what type of Electrical Discharge machine you are going to make use of for there are two sorts of Electrical discharge machining equipment on the market right now. The wire and the probe or die sinker Electronic Discharge Machine. If your firm is into processing complex geometric shapes then the probe or die sinker EDM is the tool that you should use and buy. This type of Electrical Discharge Machining tool makes use of a machine graphite or copper electrode to erode the preferred shape into the metallic supplies. Alternatively, if your business is more into assembly component cutting then the wire EDM is the very best machining method to be employed. In a wire EDM a hole have to be initial drilled into the material then a wire will be fed by means of it to cut the preferred shapes.


three. Scale Of Production


The subsequent issue to consider about is the scale of production that your business will be manufacturing. If it is on a big scale production then you should feel of purchasing larger Electrical discharge machining Equipments. There are promoting companies that give out discount if you will be getting a huge quantity of EMD tools. Of course, if your firm is into modest amounts of production and will be using EDM tools on a one time usage basis only, then you can just have your metallic pieces cut-out by EDM companies. It is a lot cheaper to just spend for the service charge than purchasing your own Electrical discharge machining Tools.


4. Ask Your self:


– What kind of goods will I be creating?
– How many products will I be generating?
– Do I have the correct quantity of funds and sources to fabricate this solution?


5. Obtaining The Ideal Deal


You can locate quite a few businesses that sell various kinds of Electrical discharge machining tools on the internet. So just before going to the nearest EDM retailers in your locality, why not check out the net 1st, it could save you time, funds and the hassle of driving out in the city. And with the tight competitors of on-line organizations you can even find a discounted cost for new EDM equipments on-line. There are also e-commerce internet sites that provide second hand and fully refurbished electrical discharge machining tools on the net. So if you are having monetary concerns but actually need to purchase 1, second hand EMD equipment may possibly operate fine for you.



For far more fantastic electrical discharge machine associated articles and resources check out http://www.edmhq.com

Wednesday, December 3, 2014

Electrical Discharge Machining EDM




Credit: IDES – The Plastics Web® – www.ides.com/articles/processing/injection-molding/2009/electrical-discharge-machining.asp.
Video Rating: 4 / 5





Lecture Series on Manufacturing Processes II by Prof.A.B.Chattopadhyay, Prof. A. K. Chattopadhyay and Prof. S. Paul,Division of Mechanical Engineering, IIT…

Sunday, November 2, 2014

Cool Wire Electrical Discharge Machining pictures

Some cool wire electrical discharge machining pictures:


Image from page 20 of “Electrical news and engineering” (1891)


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Identifier: electricalnewsen20donm
Title: Electrical news and engineering
Year: 1891 (1890s)
Authors:
Subjects: Electrical engineering
Publisher: Don Mills, Ont. [etc.] Southam-Maclean Publications


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turers merchandise, but this is the cliloride.So extended as a liattery can be charged at about this rate (in orderto compensate for the discharge), tlien it is tlie suitable batteryto choose. 1 might have stated, A battery capable of maintaining1,400 for 1 hour would preserve a steady generator load of GOOami)eres with a battery capable of becoming discharged at the aboverate and charged at 700 jimperes, becjuise 700 amjieres is a safecharging price for :i battery cnp:ibb of discharging J,400 for onehour. CANADIAN RLECTftlCAL NEWS five in tlie load above or under this fixed geuorator will thereforechange the stress on the carbon piles, resulting in wide varia-tion in their speak to resistance. Advantage is taken of this resistance variation in the carbonpiles to handle the field excitation of the booster via theintermediary of a small exciter, the field of which is the middlewire of a 3 wire program as shown in diagram in Fig. 2. Inexplanation of the diagram, if the pull exerted by the solenoid


Text Appearing Right after Image:
desired amount by varying the tension of the spring at the endof the lever which regulates the stress on the carbon piles.This adjustment is created by a tiny haudwheel and may possibly bealtered from time to time to meet any considerable alterations inthe nature of the load, so that the battery can be either floating,providing continuous pealc discharge, or being charged according tothe adjustment, while constantly automatically taking the moment-ary fluctuations of the load. The output of the exciter is almost infinitesimally modest ascompared with the booster it controls. For a 500 k.w. booster itwould only be 2..five k.w., and it is naturally a quicker operationto reverse a machine for 2.five k.w. than one of 500 k.w. In orderto eliminarte any possibility oflag in reversing, the exciter isdesigned to give three times the excitation volts needed togive the essential increase across the booster armature, therefore ensur-ing instantaneous response, the carbon regulator automaticallythrottling the excess when the co


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Image from page 252 of “Journal of electrical energy” (1917)


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Identifier: journalofele381151917sanf
Title: Journal of electrical energy
Year: 1917 (1910s)
Authors:
Subjects: Electrical engineering Electrical energy Gas manufacture and operates
Publisher: San Francisco : Technical Pub. Co.


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construction of an aluminum jacket castaround a copper tube has been abandoned in favor of asingle homogeneous casting. Coin Machine Manufacturing Conipany Date Tested—January 21, 1916. Type—Induction. Two heaters, No. 35B-109 S. C, No. 35A-55. Volts—110. Amperes—11 and 8.5. 1000 and 750 watt nominal. Heat—Single. General Dimensions—9 in. by 7.75 in. by 6.25 in. Weight—26 lb. Construction—A structure consisting of a copper coil withhollow core of cast iron or steel and laminated iron yokes,arranged somewhat in the order of a shell type trans-former. When the coil is connected to the suitable alter-nating current supply, eddy currents are set up in thecore, which will heat water in get in touch with therewith. The coilis wound with asbestos insulated wire, and is protected byan external cast iron shell. Water comes in direct contactwith heating element. Heat flow is radially inward towater and outward to air along great conducting paths ofmetal. x.~coppn? p/p£. H£AT///S £LEI*EHT~


Text Appearing Right after Image:
Insulation—None. Facilities for Cleaning—None, unless piped with specific tees.Otherwise heater must be disconnected.TestConnections and Method—Standard, % in. circulating pipe.Temperature Head—17° C.Circulation—13 gal. per hr. Efficiency—750 watt heater, 96% decreasing to SS% right after 12 hrs.1000 watt heater, 97% decreasing to, 90% after 12 hrs.Watts Input—At 110 volts, 750 watt heater, 740 to 700 wattsafter 12 hrs. 1000 watt heater, 1050 to 900 watts Energy Factor—At 110 volts, 750 watt heater, 77% to 74% after12 hrs. 100O watt heater, 79% to 80.5% after12 hrs. Surface Temperature—73° C. with water discharging at 64° C. Durability—Heater stood dry test with 150 volts applied forover an hour with out injury. Remarks—The induction heater is most likely the most durableof any created. Its efficiency can be improved by correct lag-ging. The low power element is undesirable. In service ithas been found to make an objectionable hum that istransmitted by the piping to which


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Image from page 477 of “The street railway overview” (1891)


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Identifier: streetrailwayrev07amer
Title: The street railway assessment
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants’ Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Evaluation Pub. Co


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s,such as combinations of zinc andantimony. When a static dis-charge requires place the Hash is in-stantaneous and is not followedb an arc. Tlie lightning dis-charge passes across these airgaps in preference to enteringthe coils of the machine for thesepossess wonderful self-induction to ahighly oscillatory discharge oflightning. Acting on this prin-ciple choke-coils are introduc-ed into the line. These consistof a couple of circular turns in circuitwhich have small self-induction with the normal current andfrequency, but when a lightning discharge is passing overthe line the self-induction becomes quite excellent. Fig. 14represents a lightning arrester produced by the Siemens &ampHalske Firm for alternating currents of high potential.The distance amongst the wires at the nearest point is about.04 in. for each and every 1,000 volts on the line. When an arc isformed an ascending existing of warm air and the action ofthe current in the wire trigger the arc to rise and break onaccount of the separation of the wires.


Text Appearing After Image:
FIG. 15—GARTONARRESTER. &lt^ticct5ail*Va^5^ylcW* 465


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(Posted by a CNC machining China Company and precision CNC machined parts China manufacturer)

Thursday, September 4, 2014

Cool Wire Reduce Electrical Discharge Machining images

Verify out these wire reduce electrical discharge machining pictures:


Image from web page 104 of “The street railway assessment” (1891)


Image by Net Archive Book Images
Identifier: streetrailwayrev10amer
Title: The street railway assessment
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants’ Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Evaluation Pub. Co


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otected by a lightning arrester. The rails arc bonded with cop-per bonds of .166 sq. in. sectional location and in addition arc con-nected each and every 55 yards with wire of the very same capacity. The arrangement of the various buildings belonging to the com-pany is shown in Fig. i. In the engine area arc three generatingunits, each and every consisting o( an horizontal tandem compouiul en-gine rated at 150 h. p. at two.35 r. p. m., belted to a six-pole con-tinuous existing soo-volt generator. The generators had been suppliedby the Union I^lektricitats-Gesellschaft. of Berlin. Each enginehas two fly-wheels, 1 carrying the generator belt, and the otherthe governor belt, and the machines are arranged to run con-densing or non-condensing as preferred. A surface condenser of theWorthington kind has been installed. The pumping method is ina separate area adjoining the boiler area as shown in Fig. i.There arc two Worthington feed pumps every obtaining a capacityof 2,500 gallons per hour, two injectors obtaining a capacity of 800


Text Appearing Right after Image:
FIG. J~TK.CK SHOWI.NI, LINE COXSTRLCTION. gallons per hour, with a lift of 20 ft., and a storage tank, intowhich condenser pumps discharge fresh condensing water in addi-tion to the water returned by the surface condenser. The boilerfeed pumps draw straight from this tank, forcing the water througha Green economizer ahead of it reaches the boilers. In the boiler area are three boilers as shown in Fig. 2. Thesearc of the double drum variety, and have a heating surface of 1,030sq. ft., and a normal evaporating capacity of 3.300 lb. per hour.The drums are 6 ft. 11 in. in diameter, the upper drum getting 20ft. long and the decrease a single 23 ft. long. The two water and steamspaces arc straight connected by enclosed tubes. Each drums possibly separately fed, and any section of the feed pipes amongst theboilers and pumps may be cut off. The fuel employed is .•^ustraliancoal, despite the fact that it is proposed to make use of petroleum waste for thispurpose at an early date, as this material can be secured on thegrounds


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Image from web page 118 of “Electric toy generating for amateurs. This operate treats on the creating of electrical toys, electrical apparatus, motors, dynamos and instruments in common … By T. O’Conor Sloane ..” (1914)


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Identifier: electrictoymakin00sloa
Title: Electric toy making for amateurs. This operate treats on the generating of electrical toys, electrical apparatus, motors, dynamos and instruments in basic … By T. O’Conor Sloane ..
Year: 1914 (1910s)
Authors: Sloane, T. O’Conor (Thomas O’Conor), 1851-1940
Subjects: Electric apparatus and appliances Electric toys
Publisher: New York, The N.W. Henley publishing co.


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Text Appearing Ahead of Image:
mary of the coil. No. 24 wire wouldbe a great size for each. This disposition will improve the tension of thecircuit, and will give far more powerful effects, as theapparatus is much more swiftly moved. Ano-Kato. The words ano, kato, are taken from the Greek,and mean up, down, and allude to the motions of theobjects observed in the box. The reduce shows its generalfeatures of construction. It is a shallow box whosebottom and interior sides are coated with tin-foil. Anumber of objects are created out of the lightest pith* The latter might be of the pith of cornstalks, ofelder pith, or, what is nonetheless much better, of the pith of thedry stalks of the sunflower. Tiny men with jointedlegs and arms, insects, jointed snakes, and so forth., are madeout of the pith, and might be colored with a small red ANO-KATO. 117 and black ink. The box is covered with a piece ofglass. If the glass is rubbed with a correct rubber, it be-comes electrically excited, and attracts the objects inthe box. As they rise, they touch the glass and as


Text Appearing Right after Image:
Fig. 47. Ano-Kato. they lie against it, becoming charged with the sameelectricity, are swiftly repelled. They fall into thebox and are discharged by coming against the tin-foil, which, for higher possible distinction, could be con-sidered to be in electrical communication with theearth. This operation goes on as lengthy as the rubbing iskept up. For the rubber, a pad of hair, or other material,around which a piece of kid glove is tied, is employed. 118 ELECTRIC TOT Generating. This may possibly be made much far more efficient by the use ofsome amalgam such as that utilized on electric machines. Straightforward Experiments in Static Electricity.Some simple experiments in static electricity arenext illustrated. The initial reduce shows a modification


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Please note that these images are extracted from scanned web page images that may have been digitally enhanced for readability – coloration and look of these illustrations might not completely resemble the original operate.



(Posted by a CNC machining China Company and precision CNC machined parts China manufacturer)

Monday, August 11, 2014

Boeing 737-300-400-500 structure from beneath, electrical transformers.

A few nice subcontract machining images I found:


Boeing 737-300-400-500 structure from beneath, electrical transformers.


Image by wbaiv

Here’s a page from the Alaska Airlines service manual. Its a standard drawing and text Boeing supply to the owners of their airplanes so the owners can construct the manuals that they are responsible for. Don’t they just buy the Haynes manual or the Bentley one when they are picking up parts? Nope. FAA regulations make the airline responsible for the complete and correct manual for the level of maintenance they provide. Lots of airlines subcontract the heavy checks, "C" and "D", and so people like Lufthansa Technik have the really deep stuff, but every airline does some of its own maintenance. The marked similarity between the drawing style here and in, for example, Bentley car manuals, comes in part from both being distributed via microfiche, as well as paper and computer. Hence the dry style with constant line widths and very few photographs.



Boeing 737-300-400-500 structure from beneath, electrical transformers.

Saturday, August 2, 2014

Image from page 350 of "Electrical world" (1883)

Check out these electrical discharge machining China images:


Image from page 350 of “Electrical world” (1883)


Image by Internet Archive Book Images
Identifier: electricalworld43newy
Title: Electrical world
Year: 1883 (1880s)
Authors:
Subjects: Electrical engineering
Publisher: [New York McGraw-Hill Pub. Co., etc.]


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dge take-up, specially large crank and wrist pins and cast-steel cross headswith adjustable babbitted slippers, top and bottom, working inbored guides. The reciprocating motion is of the simplest possiblecharacter, this simplicity in construction permitting low recipro-cating weights without sacrifice of strength. These features allowsatisfactory balancing, and, in connection with the long bearing onthe foundations, insure an especially easy-running machine. Thesteam valve gear is of the four-valve type. Steam distribution iseffected by means of short, double-ported, slide valves, working ateither end of the steam chest on a valve face as close as possibleto the cylinder bore, the port volume being restricted as far as thelarge valve area will allow. The exhaust valves are of the Corlissrotary type and are placed at the bottom of the cylinder. This con-struction has been followed in order to produce a valve gear havingthe essential advantages of a Corliss, namely separate passages for


Text Appearing After Image:
COMPRESSED AIR PL.^NT. the steam and the exhaust with corresponding reduction in cylindercondensation, together with short, straight ports and small clearance.On the other hand, the complicated Corliss releasing gear has beeneliminated, the action being positive throughout. The air valve gear is, however, the distinguishing feature of thismachine, combining in a very ingenious manner the positive action,noiseless operation and durability of the mechanically-moved valvewith the elasticity of the poppet valve. The noise and rapid w-earof the poppet valve, due to the impact of the valves closing at thereversal of stroke, is eliminated by mechanically closing the passagesimderneath the poppet valve, and leaving a cushion of air uponwhich the latter seats. The three fixed points in the compressioncycle, namely the opening of the inlet, the closing of the inlet, andthe closing of the discharge, are positively and mechanically con-trolled; the opening of the discharge, which is the only vari


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Image from page 48 of “Electrical news and engineering” (1891)


Image by Internet Archive Book Images
Identifier: electricalnewsen31donm
Title: Electrical news and engineering
Year: 1891 (1890s)
Authors:
Subjects: Electrical engineering
Publisher: Don Mills, Ont. [etc.] Southam-Maclean Publications


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iator type transformer, so arranged with openings placedbetween the radiators to direct the flow <<i air supplied by amotor driven blower. With this method of artificial cooling, these maximumrated transformers will carry 25 per cent overload continuous-ly with the same winding temperatures as at full load with-out artificial circulation of air. The transformer is provided with a hot spot temperat-ure indicator, an oil expansion tank and a high voltage tapchanger, the latter operated by a hand wheel in a convenientposition above the transformer cover. THE ELECTRICAL NEWS 4a Drying Machine China for Hands and Face Tlif Airdry Corporation, of Groton, X. Y., is inanulac-turiiig a machine called Airdry for drying hands and face.The machine consists of a white enamelled iron standard,containing a motor, fan, heating element, and an adjustable


Text Appearing After Image:
nozzle for directing the liow ot air. Lonnected with thelighting circuit, the machine is set in operation by means ofa foot lever in the base of the standard. Pressing the leverdownward causes warm air to be discharged through thenozzle. Releasing the lever stops the motor and the flowof air. This machine is adjustable to any position. It issaid to dry thoroughly. It is safe and sanitary and eliminatestowels. It is paricularly adaptable to public washrooins.factories, etc. A Portable Wringer .\nother labor-saving device under the trade nameWring-O is being placed on the market by the PetroleumEngine and Manufacturing China Co., 120 Broadway, New York.This is an electrical wringer of the portable type, as shown. able at the moment to bear the full expense. It is claimed,also, that an efficient washing may be accomplished bythoroughly soaking the clothes in soapy water an thenwringing and rinsing through several waters until clearwater is wrung from them. It would seem to be speciallyuseful i


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Image from page 350 of "Electrical world" (1883)

Thursday, July 31, 2014

Cool Wire Cut Electrical Discharge Machining China images

Some cool wire cut electrical discharge machining images:


Image from page 847 of “Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons’ cyclopaedia of applied mechanics” (1892)


Image by internetarchivebookimages
Identifier: modernmechanisme00benj
Title: Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons’ cyclopaedia of applied mechanics
Year: 1892 (1890s)
Authors: Benjamin, Park, 1849-1922
Subjects: Mechanical engineering
Publisher: New York, D. Appleton


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Text Appearing Before Image:
d stroke, it is apparent that if the feed wheel is run down against it in the positionshown in the engraving, the pusher will be given its full traverse and the greatest feed. Ifrun back to clear the travel of the agitator, the pusher will, of course, have no motion and thefeed will stop. Between these extremes any desired rate of feed can be given. In like manner, the rock of the grate bars can be adjusted between any limiting angles,and over a range of motion from no movement to full throw, by means of the sheath nut andjam nuts on the connecting rod. By these adjustments the whole action of the stoker iscontrolled, and the fires forced, checked, or banked at will. Stone Breaker : see Ore-crushing Machine Chinas. ST0R.4.(tE batteries. The storage, secondary or reversible battery, and accumu-lator are different terms applied to a form of cell based on the principle demonstrated byFaraday in 1834, that chemical and electrical energy were mutually convertible. In 1859, 816 STORAGE BATTERIES.


Text Appearing After Image:
after experiments with various metals, Plante decided upon the use of lead plates in dilutesulphuric acid, because in discharge both plates were active ; that is, not only did the per-oxide of lead plate combine witli hydrogen, but the reduced metallic lead combined withoxygen. Plauies cell was originally constructed with two plates of sheet lead, separated bygutta-percha strips, one sheet bcinglaid over the other, with two gutta-percha strips betweenthem, and two more laid on the upper sheet, as shown at A, Fig. 1. They were then rolled together and clamped, as shown at B, a strip of leail being left attached to the corner of each sheet in cutting China, bywhich connection could i)e made. The sheets thusrolled togetlier were ])hiced in a jar of glass or ebonite,containing a 10 per cent, solution of sulphuric acid.The jar had an ebonite cover, with binding screws towhich the connecting strips were attached ; alsoclamps for holding wires to show the heating effectof the discharge. The electr


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Cool Wire Cut Electrical Discharge Machining China images

Friday, July 25, 2014

Manufacturer And Exporter Of Brass Fitting Components And Brass Electrical Parts.


Manufacturer And Exporter Of Brass Fitting Components And Brass Electrical Parts.

Manufacturer of a Wide Range of Brass Products, Specialist In Brass Knurling Inserts, Sprinkler Irrigation Part, Brass Sanitary Fittings, Brass Screw Bolts Nuts, Brass Bush Pin Rings, Brass Anchors, Brass Electrical Parts, Brass Cable Glands, Brass Hose Fittings, Brass Compression Fittings, Brass Union Fittings, Brass Gas Fittings, Brass Lamp Parts, PPR Inserts, Brass Pipe Fittings, Brass Split Bolt Connectors, Brass Precision Turned Components, Air Brake Fittings, Transformer Parts, Brass Builders Hardware, Earthing & Lighting Parts.


Manufacturer and supplier of Brass Components to custom specifications, manufactures electrical parts, lock parts, energy meter parts, precision- turned parts China, rivets, screw nut and bolts, switch parts, various type of anchors, pins, forged bolts, brass cable glands, brass sanitary parts to precision and international specifications.


We are Manufacturer and Exporter of Brass Fittings Components and Brass Eletrical Parts, Brass Fasteners Like Brass Bolts, Brass Anchor, Brass Iserts, Brass Screws, Brass Nuts, Brass Washers. Brass Fittings Componets Like Brass Forged Gas Fitting, Brass Conduit Fittings, Brass Pipe Fittings, Brass Hose Fittings. Brass Eletrical Parts – Brass Neutral Links, Electrical Switch Parts, PVC Moulding Parts and Conduit, Panel Board Accessories , HRC Fuse Connectors, Brass Socket Pins. Brass Cable Glands – Alco Cable Gland, TRS Cable Gland , Marine Cable Gland, Wiping Cable Gland, CW Type Cable Glands, E1W Industrial Cable Glands, BW Type Cable Glands, A1/A2 Type Cable Glands. and Ceramic Dish Fitting Components and Brass Sanitary Parts.


Changla Industries has maintained quality standards with sustained implementation of quality parameters by conforming to the latest, approved industry specifications. The Company has recently earned the prestigious ISO Certification (BVQI) within a very short time. Changlas products are made to standard specifications and also precision-crafted to exact customer requirements. Customising to client specifications is the hallmark of Changlas versatility and adaptability in initiating and welcoming innovative approaches to brass component manufacture.

To this end Changla Industries maintains a sustained and routine inspection and testing regimen that goes a long way towards building product integrity and client trust in the Companys products.

A medium-sized quality control department with sophisticated equipment for measuring, hardness testing and various other procedures is manned by qualified technicians who adhere to stringent testing of Changlas products.




for more detail then visit here,


http://www.changlaexports.com/



More Brass Parts Articles



Manufacturer And Exporter Of Brass Fitting Components And Brass Electrical Parts.

Thursday, June 26, 2014

Cool Electrical Discharge Machining images

Check out these electrical discharge machining images:


m23_zapper16_600x400
electrical discharge machining

Image by Maker Media

Photo By: John Keatley
www.keatleyphoto.com


The Intellectual Ventures Lab machine shop, 6,000 square feet of cutting-edge fabrication technology: “computer-controlled mills and lathes, welding gear, laser cutters, a high-pressure water-jet cutter, electrical discharge machining tools, precision grinding and sheet metal tools, and 3D printers.”


dorkbot seoul 1st
electrical discharge machining

Image by hhjjj

EDM (Electrical Discharging Machine) shop for mold producing.



Cool Electrical Discharge Machining images