Question
Download Solution PDFThe cutting speed of a milling cutter is 21 m/min. Find the rpm of cutter if diameter is 21 mm. (π = 22/7)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Cutting speed:
- Cutting speed is the speed at which the cutting edge passes over the material while cutting, and is expressed in meters per minute.
- It is given by:
V =
Where, D = Diameter of drill (mm), N = rpm, V = Cutting speed in m/min
Calculation:
Given:
V = 21 m/min, Diameter, D = 21 mm
∵ V =
⇒ 21 =
⇒ N = 318.18 rpm
Last updated on May 28, 2025
-> ISRO Technician Fitter recruitment notification 2025 has been released
->Candidates can fill ISRO Fitter application form from June 2 to 16.
->A total of 20 vacancies are announced for ISRO recruitment 2025 for Fitter.
->Candidates must have passed SSLC/ SSC/ Matriculation and should have NTC/ITI/NAC in ->Fitter Trade Certificate from an NCVT recognized by the government to satisfy the ISRO Technician B Fitter Eligibility Criteria.