An end milling operation is carried out along a straight line path that is L=325 mm long. The cut is in a direction parallel to the x-axis on an NC machining center. Cutting speed = 30 m/min and chip load = 0.06 mm. The end milling cutter has two teeth and its diameter = 16 mm. The x-axis uses a DC servomotor connected directly to a leadscrew whose pitch = 6 mm/rev. The feedback sensing device is an optical encoder that emits 400 pulse/rev. Determine (a) feed rate and time to complete the cut along the path L, and (b) rotational speed of the motor and the pulse rate of the encoder at the feed rate indicated.

An end milling operation is carried out along a straight line path that is L=325 mm long. The cut is in a direction parallel to the x-axis on an NC machining center. Cutting speed = 30 m/min and chip load = 0.06 mm. The end milling cutter has two teeth and its diameter = 16 mm. The x-axis uses a DC servomotor connected directly to a leadscrew whose pitch = 6 mm/rev. The feedback sensing device is an optical encoder that emits 400 pulse/rev. Determine (a) feed rate and time to complete the cut along the path L, and (b) rotational speed of the motor and the pulse rate of the encoder at the feed rate indicated.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Machining Processes and Machine Tools

Machining is represented as the process in which an excessive amount of substance is eliminated from the particular element in the form of pieces. In machining, cutting tools such as rotary tools, lathe, drill press, grinder, chop saw, welders, and many more are applied to get the desired shape. As compared to other manufacturing processes, machining is precise and versatile.

Question

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An end milling operation is carried out along a straight line path that is L=325 mm
long. The cut is in a direction parallel to the x-axis on an NC machining center.
Cutting speed = 30 m/min and chip load = 0.06 mm. The end milling cutter has two
teeth and its diameter = 16 mm. The x-axis uses a DC servomotor connected directly
to a leadscrew whose pitch = 6 mm/rev. The feedback sensing device is an optical
encoder that emits 400 pulse/rev. Determine (a) feed rate and time to complete the
cut along the path L, and (b) rotational speed of the motor and the pulse rate of the
encoder at the feed rate indicated.

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Step 2: Speed and Milling Feed rate :

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Step 3: Rotational speed of motor:

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Step 4: Pulse rate:

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