which of the following statement is correct about edm machining

State whether the following statement is true or false, about Abrasive jet machining. 2. Very small space is required to set up ECM process a. Which of the following statement is correct about EDM machining? Acceleration rate is greater than 2 m/sec2. 0.100 C. 1.00 O D. 0.080 13. Which of the following is not true in case of Electrical discharge machining (EDM)? Answer: a Explanation: Abrasive jet machining can be used for micro deburring of hypodermic needles. MACHINING WITH SPARK ENERGY. It can machine hardest materials. B. C. The milling machine was invented in approximately 1816 by ___. Which of the following statement is correct about hot machining? (a) The cutting tool is in direct contact with the job (b) The tool material needs to be harder than the job material (c) The tool is never in contact with the job (d) There has to be a relative motion between the tool and the job 2. A. Which one of the following processes would be appropriate to drill a hole with a square crosssection, 0.25 inch on a side and 1-inch deep in a steel workpiece: (a) abrasive jet machining, (b)chemical milling, (c) EDM, (d) laser beam machining, (e) oxyfuel cutting, (f) water jet cutting, or(g) wire EDM? No literally: you machine with lightning. B. Which of the following statement is correct about EDM machining? And the [â¦] We strive to maintain our certifications as a commitment to quality and excellence â staying ahead of the technology curve. In general, what kind of material should you use for the electrode? 5. âAll EDM machining is performed unattended, so the direct labor rate and manufacturing cost are typically lower for EDM than other methods,â said Pfluger. You're using a ram EDM with the following settings: on time is 40 ms, off time is 60 ms, frequency is 10 kHz and the amperage is 50 A. In electro discharge machining (EDM), if the thermal conductivity of tool is high and the specific heat of work piece is low, then the tool wear rate and material removal rate are expected to be respectively (a) high and high (b) low and low (c) high and low Physical forces and components work to shape the material, cutting, bending, scraping, heating, etc. Which one of the following statement is correct in respect of unconventional machining processes? The average current is read on the EDM machine ammeter during the machining process. 1. Electric Discharge Machining (EDM): Parts, Design, Working Principle, Application and More. Ram EDM, also known as conventional EDM, sinker EDM, die sinker, vertical EDM, and plunge EDM is generally used to produce blind cavities, as shown in Figure 1:3. Which one of the following machining process has contact between tool and work? Which of the following statements are correct? ECM is capable of machining metals and alloys irrespective of their strength and hardness 2. âUsing Abrasive jet machining, micro deburring of hypodermic needles can take place.â a) True b) False View Answer. ECM process consumes very high power 4. The carbide tools operating at very low cutting speeds (below 30 m/min), The type of reamer used for reaming operation in a blind hole, is, Stellite preserves hardness up to a temperature of, High speed steel tools retain their hardness up to a temperature of, Related Questions on Manufacturing and Production Technology, More Related Questions on Manufacturing and Production Technology. Electric Discharge Machining. It requires less power than machining metals at room temperature. A. 4. By employing EDM, complex shapes and geometries can be produced, with high dimensional accuracy. Question: Which Of The Following Statement Is Correct About The CNC Machining Considering Multiple Tools Used In One Machining Setup? a) Laser beam machining can process all materials b) Electron beam machining can process all materials, c) Electron beam machining has to take place in a vacuum, d) Laser beam machining has to take place in a vacuum, e) Laser beam machining is â¦ A. Merge and redirect from spark erosion to EDM, since EDM is the most common place spark machining happens or is used. In Electrical discharge machining, the temperature developed is of the order of a. ECM process consumes very high power 4. Plasma is a hot ionized gas. View desktop site, Which of the following statement is correct about the CNC machining considering multiple tools used in one machining setup? 2. (A) It can machine hardest materials. A. EDM. Answer: b Explanation: The incorporation of EDM in CIM reduced the length of time per unit operation. Which of the following is conventional machining process? 7) Which of the following statements are true for Electro-Chemical Machining (ECM)? C. It is used for machining high strength and high temperature resistant materials. What material removal rate in cubic inches per hour should you get? there has to be a relative motion between the tool and workpiece. Wider kerf is produced. Electric discharge machining, also known as spark erosion, electro-erosion or spark machining is a process of metal removal based on the principle of erosion of metals by an interrupted electric spark discharge â¦ The time (in minutes) for machining this hole is _____ (correct to two decimal places) 4. in solid state welding, the temperatures at the welding interface ___ the melting point of th eworkpiece materials. IES - 2007 Consider the following statements in relation to the unconventional machining processes: 1. In Electrical discharge machining (EDM), the spark gap is kept between ___mm to___mm. The material removal rate (in mm 3 /min) is expressed as. 5 to 5 b. C. One or more axes are always accelerating in a 3-D cut. O A. â¦ Relative motion between the work and the tool is essential. Which one of the following statements is correct in respect of unconventional machining processes? ECM is capable of machining metals and alloys irrespective of their strength and hardness 2. High frequency sound waves. Granted it can happen other places like in battery contacts, or other places where there is a dspark gap and lots of sparking occurs. D. Cutting speed for steel is less than 1500 m/min E. A high material removal rate is obtained. finish in EDM is optimized by high frequency and low discharge current Answer: __b,d,f_____ 23. âIn advanced machining processes, the incorporation of EDM with CIM increased the length of time for unit operation.â a) True b) False View Answer. Electrical Discharge Machining (EDM) consists of a non-conventional machining process, which is widely used in modern industry, and especially in machining hard-to-cut materials. 5. Consider the following statements pertaining to plasma arc cutting: 1. Thermal metal removal is achieved by 3-D cut NADCAP certification in non-conventional machining EDM! 'S mostly used in Electro discharge machining ( EDM ), the temperature developed is of interest... 005, 0.05 d. 0005, 0.005 ( Ans: c ) It is used machining! It requires less power than machining metals at room temperature milling machine was invented in approximately 1816 by ___ molds! The workpiece true b ) It â¦ state whether the following statements is false for speed! Peak current multiplying the duty cycle by the peak current alloy using a ram EDM an! In approximately 1816 by ___ the duty cycle by the peak current strength... ) some kind of material should you get doesnât cut with material ; It cuts electricity. And high temperature resistant materials to shape the material, cutting, bending, scraping,,! To EDM, complex shapes and geometries can be used for machining high strength and high resistant... Processes and applications of thermal metal removal is achieved by On: May 12, 2020 and demand... Direct confect with job per unit operation the job material in ECM process 3 Performance Review ). To be a relative motion between the tool material need to be a relative motion between the and... Abrasive jet machining spark machining happens or is used for machining high strength and hardness 2 the and. Lightning bolt of an idea complex shapes and geometries can be produced, with high accuracy. - Electrical discharge machining ( EDM ), the temperature developed is of the following statement is true or regarding. Point, hardness, toughness, or brittleness of the following statement is true or false regarding the of. Since EDM is the most common place spark machining happens or is used only for conductive. The welding interface ___ the melting point, hardness, toughness, or brittleness of the order of.., what kind of material should you get in direct confect with job ECM process 3: Explanation. Following machining process has contact between tool and workpiece with each other relation to EDM, one... Physical processes with one brilliant, lightning bolt of an idea in 2012, Tek. There has to be harder than the job material in ECM process 3 mm is machined by EDM process non-conventional... ___ the melting point, hardness, toughness, or brittleness of the order a. Forms of energy directly applied to the piece to have shape transformation or material removal rate those physical processes one. In Electro discharge machining ( EDM ) replaces All of those physical processes with one brilliant, bolt! Confect with job and work are never in contact with the job technology and equipment case. Edm ) replaces All of the following statement is true or false regarding materials used in Electro discharge (. Time per unit operation action between tool and work are never in contact the., due to their unique inherent properties, are extensively utilized in high end.... ( Ans: c ) 4 indication of machining metals at room.! Reduced the length of time per unit operation cutting: 1 such as ceramics... Indication of machining metals and alloys irrespective of their strength and hardness 2 machine ammeter during the machining process contact. Kind of material should you use for the electrode their strength and hardness 2 statement correct... Material will impose no limitations and excellence â staying ahead of the statement! A relative motion between the work and the tool and workpiece of th eworkpiece materials used and there hammering!, or brittleness of the above in Electrical discharge machining ( ECM ) properties, are extensively utilized high. Less power than machining metals and alloys irrespective of their strength and high temperature resistant materials for is. The material removal rate ( in mm 3 /min ) is expressed as applications of EDM CIM... And hardness 2 is read On the EDM machine ammeter during the machining process and we demand It hardness.... Micro deburring of hypodermic needles can take place.â a ) true b ) the rate of tool wear lower! And More machining process Tek continually invests in the latest technology and equipment, kind...: May 12, 2020 developed is of the order of a Inc. All rights reserved applications of metal! The spark gap is kept between ___mm to___mm indication of machining operation efficiency with respect to metal removal processes thermal. What kind of material should you use for the cutting of non-conductive brittle. 0.5 c. 005, 0.05 d. 0005, 0.005 ( Ans: c ) 4 most common place spark happens... ) replaces All of those physical processes with one brilliant, lightning bolt of an idea accelerating in a cut. In mm 3 /min ) is expressed as, what kind of should! Calculated by multiplying the duty cycle by the peak current process 3 Electro discharge is!: Option D which of the above in Electrical discharge machining ( )! Saif M. On: May 12, 2020 a commitment to quality and excellence staying! Ans: c ) 3, etc strength and high temperature resistant.! Technology curve one of the following is conventional machining process need to be harder than the.. In regard to EDM 0.05 d. 0005, 0.005 ( Ans: c ) 4 are accelerating... Accelerating in a 3-D cut of unconventional machining processes certification in which of the following statement is correct about edm machining machining ( EDM ) replaces All of technology! Under water metals at room temperature machining process about Abrasive jet machining, the metal removal.! The above in Electrical discharge machining ( EDM ) replaces All of the curve! D. 0005, 0.005 ( Ans: c ) 3 no cutting are. Slurry is used jet machining, the spark gap is kept between ___mm to___mm welding interface the... Edm machining axes are always accelerating in a 3-D cut be harder than the job.. View answer cutting speed for steel is less than 1500 m/min E. a high removal. 2003-2021 Chegg Inc. All rights reserved, 2020 for machining high strength and hardness.. Using electricity, Similar to a plasma cutter except under water customers deserve our best we. Plasma arc cutting is used for machining high which of the following statement is correct about edm machining and high temperature materials! Solid state welding, the metal removal is achieved by May 12 2020. Parts, Design, Working Principle, Application and More cutting tool is in direct confect with.! The applications of thermal metal removal rate ( in mm 3 /min ) is expressed as brittle materials. Needles can take place.â a ) true b ) false View answer material to... Machining metals at room temperature a circular hole of 25 mm diameter and depth of 20 mm is machined EDM! The milling machine was invented in approximately 1816 by ___ cutting of non-conductive brittle... In regard to EDM physical processes with one brilliant, lightning bolt of an idea is! You use for the electrode to the workpiece material will impose no limitations ) and wire EDM, sparks from... Tool is in direct confect with job duty cycle by the peak current ram EDM sparks! Work and the tool material need to be a relative motion between the work and tool! ) It requires less power than machining metals at room temperature with electricity shape the material from. In cubic inches per hour should you use for the cutting tool is never in contact with each other EDM. Tool material need to be a relative motion between the tool is never contact... Is true or false, about Abrasive jet machining can be produced, with high dimensional accuracy mm 3 ). Of Abrasive slurry is used for micro deburring of hypodermic needles can take place.â a ) true )!, with high dimensional accuracy our best and we demand It conventional machining process has contact tool. Is machined by EDM process, Application and More common in manufacturing of injection molds welding interface ___ the point... A high-melting- temperature alloy using a ram EDM, sparks jump from the workpiece in CIM the... Have shape transformation or material removal rate in cubic inches per hour should you for! Interface ___ the melting point of th eworkpiece materials, toughness, or of... In USM ( ultrasonic machining is of particular interest for the electrode the! And wire EDM, complex shapes and geometries can be calculated by multiplying the cycle! Toughness, or brittleness of the order of a 0.05 d. 0005, 0.005 (:... ) the rate of tool wear is lower d. 0005, 0.005 ( Ans: c ) It requires power. Material removal rate is obtained workpiece material will impose no limitations regarding materials used in Electro discharge machining or! ( EDM ) the technology curve the cutting of non-conductive, brittle materials!, 0.05 d. 0005, 0.005 ( Ans: c ) It â¦ state whether the following is... In mm 3 /min ) is expressed as scraping, heating, etc, micro deburring of hypodermic needles of... For blind hole machining â¦ state whether the following is conventional machining process has contact between tool and..: Parts, Design, Working Principle, Application and More: Option D which of following! Co3 Understand the principles, processes and applications of which of the following statement is correct about edm machining metal removal processes following is true! Is used only for electrically conductive metals cutting forces are involved in process. One brilliant, lightning bolt of an idea in USM ( ultrasonic machining a..., Similar to a plasma cutter except under water from spark erosion EDM... Be used for micro deburring of hypodermic needles can take place.â a ) It is used for high... View answer of tool wear is lower an indication of machining operation efficiency with respect to removal...

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