Question 3 While rotating a metal bar in a particular case, the tool life was found to increase from 25 minutes to 50 minutes when the cutting speed was reduced from 100 m / min to 80 m / min. How old would this tool be if it was formed at a speed of 90 m / min?
Dear Mohamed, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order