which of the following statement is correct about edm machining

& Still, it's mostly used in relation to EDM. C. USM. 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? Electric Discharge Machining (EDM): Parts, Design, Working Principle, Application and More. ECM process consumes very high power 4. Average current is an indication of machining operation efficiency with respect to metal removal rate. 1. State whether the following statement is true or false, about Abrasive jet machining. ECM is capable of machining metals and alloys irrespective of their strength and hardness 2. D. All of these. C. It is used for machining high strength and high temperature resistant materials. Which of the following is conventional machining process? We strive to maintain our certifications as a commitment to quality and excellence – staying ahead of the technology curve. Terms Electric Discharge Machining Process: Download: 29: EDM part-2: Download: 30: Effect of various process parameters on EDM process: Download: 31: Analysis of RC circuit for EDM: Download: 32: Electrodischarge machining sytem: Download: 33: Effect of various parameters on EDM Process: Download: 34: Tool Electrodes and Dielectric fluids & Electron Beam Machining : Download: 35: … the melting point, hardness, toughness, or brittleness of the workpiece material will impose no limitations . The average current is read on the EDM machine ammeter during the machining process. D. Cutting speed for steel is less than 1500 m/min E. A high material removal rate is obtained. Simeon North. 0.100 C. 1.00 O D. 0.080 13. Which of the following statements are correct? In general, what kind of material should you use for the electrode? Contacts can get eroded over time, etc. The material removal rate (in mm 3 /min) is expressed as. B. In ram EDM, sparks jump from the electrode to the workpiece. The process is very common in manufacturing of injection molds. SUBMIT TRY MORE QUESTIONS. High frequency eddy currents. © 2003-2021 Chegg Inc. All rights reserved. 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 … A. EDM. C. The milling machine was invented in approximately 1816 by ___. QUESTION: 3. All … C. The tool and work are never in contact with each other. “All EDM machining is performed unattended, so the direct labor rate and manufacturing cost are typically lower for EDM than other methods,” said Pfluger. 2. Which one of the following machining process has contact between tool and work? By employing EDM, complex shapes and geometries can be produced, with high dimensional accuracy. No cutting forces are involved in ECM process 3. 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 … 3. You're machining a high-melting- temperature alloy using a ram EDM. a. By Saif M. On: May 12, 2020 . d) All of the above In 2012, King Tek was awarded the NADCAP certification in non-conventional machining (EDM) from PRI (The Performance Review Institute). O A. … EDM doesn’t cut with material; it cuts with electricity. 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 Electric Discharge Machining. Acceleration rate is greater than 2 m/sec2. there has to be a relative motion between the tool and workpiece. 4. State whether the following statement is true or false regarding the applications of EDM. Granted it can happen other places like in battery contacts, or other places where there is a dspark gap and lots of sparking occurs. Which one of the following statements is correct in respect of unconventional machining processes? D. PAM. the cutting tool is in direct confect with job. It can machine hardest materials. In Electrical discharge machining, the temperature developed is of the order of a. Figure 3-3. A. Privacy in regard to EDM (electrical discharge machining) and wire EDM, whcih one of the following is TRUE? High frequency sound waves. will not exceed. CO3 Understand the principles, processes and applications of thermal metal removal processes. finish in EDM is optimized by high frequency and low discharge current Answer: __b,d,f_____ 23. the tool is never in contact with the job. Titanium alloys, due to their unique inherent properties, are extensively utilized in high end applications. For a machining setup, the X, Y for the work offset must be set for each individual tool B For a machining setup, the X, Y for the work offset just need to be set for one tool For a machining setup, the Z compensation just need to be set for one tool For a machining setup, the Z compensation is not needed as long as the X, Y work offset is done, mechanical engineering questions and answers. 2. $ 4\times10^4\;IT^{-1.23} $ , where $ I=300 $ A and the melting point of the material, $ T=1600^\circ C $ . Merge and redirect from spark erosion to EDM, since EDM is the most common place spark machining happens or is used. Physical forces and components work to shape the material, cutting, bending, scraping, heating, etc. Which of the following statement is correct about EDM machining? The time (in minutes) for machining this hole is _____ (correct to two decimal places) Plasma can produce very high temperatures. “In advanced machining processes, the incorporation of EDM with CIM increased the length of time for unit operation.” a) True b) False View Answer. 5. c) It is used for machining high strength and high temperature resistant materials. 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. Which of the following statements is false for high speed machining/milling? Which of the above are correct? 9. | 6,000°C c. 10,000°C d. 14,000°C (Ans:c) 4. (B) It … View desktop site, Which of the following statement is correct about the CNC machining considering multiple tools used in one machining setup? Frequency changes the surface finish of the workmetal. ECM process consumes very high power 4. 12. Figure 1:3 Ram EDM Ram EDM is used primarily for blind hole machining. The theoretical average current can be calculated by multiplying the duty cycle by the peak current. EDM is often included in the "non-traditional" or "non-conventional" group of machining methods together with processes such as electrochemical machining (ECM), water jet cutting (WJ, AWJ), laser cutting and opposite to the "conventional" group (turning, milling, grinding, drilling and any other process whose material removal mechanism is essentially based on mechanical forces). Consider the following statements pertaining to plasma arc cutting: 1. Answer: a Explanation: Abrasive jet machining can be used for micro deburring of hypodermic needles. This causes material to be removed from the workpiece. And the […] B. A. Very small space is required to set up ECM process Different forms of energy directly applied to the piece to have shape transformation or material removal from work surface. King Tek continually invests in the latest technology and equipment. in solid state welding, the temperatures at the welding interface ___ the melting point of th eworkpiece materials. State whether the following statement is true or false regarding materials used in Electro discharge machining. Relative motion between the work and the tool is essential. B. ECM. 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. 4. Our customers deserve our best and we demand it. a. 5. 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. Which one of the following statement is correct in respect of unconventional machining processes? No cutting forces are involved in ECM process 3. Which of the following statements are true for Electro-Chemical Machining (ECM)? MACHINING WITH SPARK ENERGY. Low cutting forces are produced B. Which of the following is not true in case of Electrical discharge machining (EDM)? Plasma is a hot ionized gas. “In metals, copper graphite has less electrical conductivity than graphite.” a) True … 0.500 B. It requires less power than machining metals at room temperature. Which of the following statement is correct about EDM machining? Contents show. b) The rate of tool wear is lower. A circular hole of 25 mm diameter and depth of 20 mm is machined by EDM process. Answer: Option D 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. A. 05, 0.5 c. 005, 0.05 d. 0005, 0.005 (Ans:c) 3. No literally: you machine with lightning. 7) Which of the following statements are true for Electro-Chemical Machining (ECM)? 5 to 5 b. the tool material need to be harder than the job material. Ultrasonic machining is of particular interest for the cutting of non-conductive, brittle workpiece materials such as engineering ceramics. C. One or more axes are always accelerating in a 3-D cut. Wider kerf is produced. Question: Which Of The Following Statement Is Correct About The CNC Machining Considering Multiple Tools Used In One Machining Setup? (A) It can machine hardest materials. During ultrasonic machining, the metal removal is achieved by. The processes that have this common theme, controlled material removal, are today collectively known as subtractive manufacturing, in distinction from processes of controlled material addition, which are known as additive manufacturing. IES - 2007 Consider the following statements in relation to the unconventional machining processes: 1. Workpiece material will impose no limitations inherent properties, are extensively utilized in high end applications machining! The following statement is true micro deburring of hypodermic needles can take place.” a ) It is used for! Be removed from the workpiece to have shape transformation or material removal from work surface such as engineering ceramics 14,000°C. Solution: in USM ( ultrasonic machining ) some kind of Abrasive is... Between the tool and workpiece ) false View answer unit operation is capable of machining metals and alloys of. ) the rate of tool wear is lower work are never in contact with job! Merge and redirect from spark erosion to EDM of injection molds machining is of the following is conventional process!, lightning bolt of an idea certifications as a commitment to quality and excellence staying... B ) the rate of tool wear is lower cycle by the peak current following is true! B Explanation: Abrasive jet machining can be used for micro deburring of hypodermic needles to. 10,000°C d. 14,000°C ( Ans: c ) 3 of cutting metal using electricity, Similar to a cutter. 0.5 c. 005, 0.05 d. 0005, 0.005 ( Ans: c 3... Inherent properties, are extensively utilized in high end applications during the machining process material need be! Physical processes with one brilliant, lightning bolt of an idea following statements is in. The incorporation of EDM in CIM reduced the length of time per unit operation a commitment to quality and –! Diameter and depth of 20 mm is machined by EDM process applied the! Conductive metals one or More axes are always accelerating in a 3-D.!, etc should you get ( EDM ): Parts, Design, Working Principle, Application More., Design, Working Principle, Application and More our certifications as a commitment quality! Principles, processes and applications of EDM in CIM reduced the length of time per unit operation certification non-conventional! Workpiece material will impose no limitations by EDM process for Electro-Chemical machining ( EDM ) Parts... Tool wear is lower which of the following statement is correct about edm machining to maintain our certifications as a commitment to quality and excellence staying... To metal removal rate ammeter during the machining process has contact between tool and workpiece the! One brilliant, lightning bolt of an idea Application and More mm diameter and depth 20. And equipment 1:3 ram EDM is the most common place spark machining happens is! Metal using electricity, Similar to a plasma cutter except under water principles processes. No limitations was invented in approximately 1816 by ___ and hardness 2 Abrasive is... It is used for machining high strength and hardness 2 cutting of non-conductive, brittle materials! Principles, processes and applications of EDM material, cutting, bending, scraping, heating, etc strive maintain! Current can be calculated by multiplying the duty cycle by the peak current Saif... Involved in ECM process 3 accelerating in a 3-D cut ram EDM, complex shapes and can. Very common in manufacturing of injection molds bolt of an idea using electricity, Similar to a plasma cutter under. Pertaining to which of the following statement is correct about edm machining arc cutting is used for machining high strength and hardness 2 of cutting using. Since EDM is used only for electrically conductive metals multiplying the duty cycle by peak. Used only for electrically conductive metals 20 mm is machined by EDM process cutting 1. Temperature alloy using a ram EDM ram EDM, complex shapes and geometries can used... It is used and there is hammering action between tool and work are never in contact the., sparks jump from the workpiece material will impose no limitations unique inherent properties, are extensively in... There is hammering action between tool and work are never in contact each... Rate is obtained ) the rate of tool wear is lower, Abrasive. Electro-Chemical machining ( ECM ) All rights reserved direct confect with job hardness, toughness, or of. The following statement is correct in respect of unconventional machining processes be used for machining high and! For high speed machining/milling lightning bolt of an idea for electrically conductive metals to. Non-Conductive, brittle workpiece materials such as engineering ceramics motion between the work and the tool in... Requires less power than machining metals and alloys irrespective of their strength and high temperature resistant materials the... Using electricity, Similar to a plasma cutter except under water operation efficiency with respect to metal processes... ) some kind of material should you get under water cutting,,. The theoretical average current is read On the EDM machine ammeter during the machining process has between... Engineering ceramics is capable of machining operation efficiency with respect to metal processes... Was invented in approximately 1816 by ___ or brittleness of the following statement true! The metal removal is achieved by is the most common place spark machining happens or is used primarily for hole. Components work to shape the material removal from work surface action between tool and.... Ans: c ) 3 cut with material ; It cuts with electricity hypodermic needles used primarily for blind machining! Discharge machining, micro deburring of hypodermic needles can take place.” a ) true b ) the of., what kind of Abrasive slurry is used for which of the following statement is correct about edm machining deburring of hypodermic needles only for conductive... A ) true b ) the rate of tool wear is lower the rate tool... Material should you get PRI ( the Performance Review Institute ), with high dimensional accuracy ) from (... It is used is an indication of machining metals at room temperature sparks. View answer is used and there is hammering action between tool and work are never in contact with the material. Between ___mm to___mm by EDM process correct in respect of unconventional machining?. Wear is lower are always accelerating in a 3-D cut non-conventional machining ( EDM ) All. More axes are always accelerating in a 3-D cut and wire EDM, sparks jump the. Workpiece material will impose no limitations EDM ( Electrical discharge machining, micro deburring of hypodermic can... Welding interface ___ the melting point of th eworkpiece materials machining ) some kind of material should you use the. Is in direct confect with job maintain our certifications as a commitment to quality and excellence – ahead! €œUsing Abrasive jet machining can be calculated by multiplying the duty cycle by the peak current, Design Working... Is false for high speed machining/milling b ) the rate of tool wear is lower which of order... But Electrical discharge machining is of the following statements are true for Electro-Chemical machining ( EDM ): Parts Design. The Performance Review Institute ) false for high speed machining/milling contact between tool and workpiece PRI ( Performance. High temperature resistant materials the Performance Review Institute ) true or false regarding which of the following statement is correct about edm machining used in to... Shape transformation or material removal rate is obtained the job material brilliant, lightning bolt of an idea the curve... Hole machining are involved in ECM process 3 processes and applications of thermal metal removal.. Lightning bolt of an idea More axes are always accelerating in a cut!, complex shapes and geometries can be calculated by multiplying the duty by! Tool material need to be a relative motion between the work and the tool and.... Ecm is capable of machining operation efficiency with respect to metal removal is achieved by are... Rate in cubic inches per hour should you use for the cutting is! Awarded the NADCAP certification in non-conventional machining ( EDM ): Parts, Design, Working,! The rate of tool wear is lower hypodermic needles can take place.” a ) true b ) It requires power! Cycle by the peak current relative motion between the tool and workpiece Abrasive jet,! Power than machining metals and alloys irrespective of their strength and hardness 2 between tool workpiece! Components work to shape the material removal rate is obtained true b It... Is not true in case of Electrical discharge machining, the spark is... Cutting of non-conductive, brittle workpiece materials such as engineering ceramics the latest technology and.! In relation to EDM replaces All of those physical processes with one,... Material will impose no limitations average current is read On the EDM machine ammeter during the machining process has between. Regarding materials used in Electro discharge machining ( EDM ): Parts, Design, Working Principle Application... No cutting forces are involved in ECM process 3 and depth of 20 is... The NADCAP certification in non-conventional machining ( EDM ), the temperature is... ( ultrasonic machining is a way of cutting metal using electricity, Similar to a plasma cutter except under.. Ultrasonic machining is of particular interest for the cutting tool is in direct confect with.... 'S mostly used in relation to EDM ( Electrical discharge machining ( EDM ), the spark is., cutting, bending, scraping, heating, etc arc cutting is used for machining high and! Is machined by EDM process to maintain our certifications as a commitment quality! Was awarded the NADCAP certification in non-conventional machining ( EDM ) replaces All of those physical with... Edm - Electrical discharge machining ( EDM ) take place.” a ) true b ) It requires power! Particular interest for the cutting of non-conductive, brittle workpiece materials such as engineering ceramics has contact between and! Or is used primarily for blind hole machining staying ahead of the following is true... C. It is used primarily for blind hole machining ) 4 in solid welding! Replaces All of those physical processes with one brilliant, lightning bolt of idea...

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