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Apr 10, 2020 · GB-T 24186 NM450 Wear resistant metal pipe. We produce and export GB/T 24186 NM450 Abrasion resistant steel plate,GB/T 24186 NM450 Wear resistant steel plate, GB/T 24186 NM 450 Cutting steel plate, NM 450 machined parts.NM450 Stocklist in 3 Lathe Operations CalculatorTurning is the process used to remove the metal. In this process job is rotated against a tool. Boring is the process to enlarge the hole which has drilled in an object. This formula counts required time for boring. Drilling is the process to drill a hole in an object. This formula counts required time for drilling. Learn Cnc Speeds & Feeds - with rpm & feedrate calculatorFeeds and speeds formula. First is the formula to find the RPM, RPM = SFM* X 3.82 / diameter of the tool (* SFM = Surface Feet per Minute) You can also use the RPM calculator below. Next, the formula for the feedrate uses the RPM from the previous calculation, Feedrate = RPM
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What is the cutting time when 100mm workpiece is machined at 1000min -1 with feed = 0.2mm/rev ? (Answer) First, calculate the cutting length per min. from the feed and spindle speed. l=f×n=0.2×1000=200 (mm/min) Substitute the answer above into the formula. Tc=lm÷l=100÷200=0.5 (min)0.5×60=30 (sec) The answer is 30 sec.