+1 vote
in Machine Kinematics by (38.0k points)
For cutting multi-start threads, the speed ratio is expressed in terms of the lead of the job thread and lead of the lead screw threads.

(a) True

(b) False

The question was asked in examination.

This is a very interesting question from Advantages and Disadvantages of Chain Drive Over Belt or Rope Drive topic in section Belt, Rope and Chain Drives of Machine Kinematics

1 Answer

0 votes
by (106k points)
Right option is (a) True

The best explanation: During multi-start thread cutting operation, speed is reduced to one-third to one-fourth of that in turning operation.

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