Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Using the formula (below), calculate the revolutions per minute (rpm) a drill press spindle should rotate using a Ø1⁄2 HSS twist drill if the cutting speed will be 90 surface feet per minute, SPM?
N~[4xV]÷D
N = _____________________________________________ RPM’s
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- Applying the technique of tool radius compensation write a program to cut the external profile of the part shown below using the following data: PART TOOL S (rpm) Depth (mm) F (mm/min) 400 130X130X10 mm T1 08 Flat End Mill 2000 10 9 130 P15 P16 R4 P4 P3 P13 P14 R40 P2 PL R30 8 130 20 R4! P12 P11 P7 P8 PO (0, -45, 2) 40 80 Fig.: A Clamping Jaw P5 P6 P10 35 P9 08arrow_forwardTRUE OR FALSE. IF FALSE WHAT WORD MAKES THE STATEMENT INCORRECT AND WHAT IS THE CORRESPONDING CORRECT ANSWER. In Machining the chip dissipates most of the energy. Thus, it has the lowest temperature relative to the workpiece and tool.arrow_forwardPlease answer and show working and label each partarrow_forward
- Please solve it correctly , Don't Use Ai tool. (1) A twist drill bit is used to drill a hole of diameter 2.0 at 4578.1 rpm at a feed rate of 2.5 in/min. Calculate the MRR in in^3/min. Take "pi" = 3.14. Round your answer to the nearest tenth.arrow_forwardNonearrow_forward14. Determine the proper RPM for a 3" piece of cold-rolled steel with a cutting speed of SFPM. Round the nearest RPM. Hint: Refer to formulas and examples in your textb а. 102 b. 115 C. 87 d. 146 15. Calculate the machining time (in minutes, rounded to the nearest minute) for a part in length 10" diameter AISI/SAE 4140 steel using a cutting speed of 110 SFPM and a rate of 0.008 IPR. Hint: Refer to examples in your textbook. а. 47 b. 60 C. 86 d. 74arrow_forward
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