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A CNC worktable is driven in a linear direction by a lead screw connected directly to a stepper motor. The pitch of the lead screw is 5 mm. The stepper motor completes one full revolution upon receiving 600 pulses. If the worktable speed is 5 m/minute and there is no missed pulse, then the pulse rate being received by the stepper motor is
  • a)
    20 kHz
  • b)
    10 kHz
  • c)
    3 kHz
  • d)
    15 kHz
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A CNC worktable is driven in a linear direction by a lead screw connec...

1/600 x Pitch = BLU
5/600mm = BLU

Or,

= 10, 000 Hz = 10 kHz
Hence, the correct option is (B). 
Free Test
Community Answer
A CNC worktable is driven in a linear direction by a lead screw connec...
To determine the pulse rate being received by the stepper motor, we need to calculate the distance traveled by the worktable in one pulse and then determine the pulse rate based on the worktable speed.

1. Calculating the distance traveled by the worktable in one pulse:
- The pitch of the lead screw is given as 5 mm, which means that for every one complete revolution of the lead screw, the worktable moves 5 mm.
- The stepper motor completes one full revolution upon receiving 600 pulses.
- Therefore, the distance traveled by the worktable in one pulse can be calculated as: (5 mm) / 600 = 0.0083 mm

2. Determining the pulse rate based on the worktable speed:
- The worktable speed is given as 5 m/minute.
- To convert this speed to mm/minute, we multiply by 1000: (5 m/minute) * (1000 mm/m) = 5000 mm/minute
- To determine the pulse rate, we divide the worktable speed by the distance traveled in one pulse: 5000 mm/minute / 0.0083 mm/pulse = 602409.6 pulses/minute
- To convert this pulse rate to kHz, we divide by 1000: 602409.6 pulses/minute / 1000 = 602.41 kHz

3. Comparing the calculated pulse rate with the given options:
- Option A: 20 kHz - This is not the correct answer.
- Option B: 10 kHz - This is the correct answer, as the calculated pulse rate is approximately 602.41 kHz.
- Option C: 3 kHz - This is not the correct answer.
- Option D: 15 kHz - This is not the correct answer.

Therefore, the pulse rate being received by the stepper motor is 10 kHz.
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A CNC worktable is driven in a linear direction by a lead screw connected directly to a stepper motor. The pitch of the lead screw is 5 mm. The stepper motor completes one full revolution upon receiving 600 pulses. If the worktable speed is 5 m/minute and there is no missed pulse, then the pulse rate being received by the stepper motor isa)20 kHzb)10 kHzc)3 kHzd)15 kHzCorrect answer is option 'B'. Can you explain this answer?
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A CNC worktable is driven in a linear direction by a lead screw connected directly to a stepper motor. The pitch of the lead screw is 5 mm. The stepper motor completes one full revolution upon receiving 600 pulses. If the worktable speed is 5 m/minute and there is no missed pulse, then the pulse rate being received by the stepper motor isa)20 kHzb)10 kHzc)3 kHzd)15 kHzCorrect answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about A CNC worktable is driven in a linear direction by a lead screw connected directly to a stepper motor. The pitch of the lead screw is 5 mm. The stepper motor completes one full revolution upon receiving 600 pulses. If the worktable speed is 5 m/minute and there is no missed pulse, then the pulse rate being received by the stepper motor isa)20 kHzb)10 kHzc)3 kHzd)15 kHzCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A CNC worktable is driven in a linear direction by a lead screw connected directly to a stepper motor. The pitch of the lead screw is 5 mm. The stepper motor completes one full revolution upon receiving 600 pulses. If the worktable speed is 5 m/minute and there is no missed pulse, then the pulse rate being received by the stepper motor isa)20 kHzb)10 kHzc)3 kHzd)15 kHzCorrect answer is option 'B'. Can you explain this answer?.
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