WEBApr 1, 2008 · The chip load, or feed rate in inch per tooth, can be approximated as a function of the actual diameter of the tool. For the starting point for a hard milling feed rate, use these ranges: Workpiece Hardness. IPT Feed Rate. Up to 45 HRC. 3 to 4 percent of tool diameter. 4558 HRC. 2 to 3 percent of tool diameter. 60+ HRC.
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WhatsApp: +86 18203695377WEBSlab Milling Material Removal Rate . Cutting speed is the peripheral speed of the cutter Eq. 2 V = π D N. where: D = cutter diameter, and N = cutter rpm. Feed per tooth f is given by. Eq. 3 f = v/(N n) where. v = workpiece speed n = number of teeth on the cutter. N = rpm of the drill. t = (l + l c)/v. where. t = cutting time, l = length of ...
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WhatsApp: +86 18203695377WEBMay 30, 2024 · To calculate material removal for drilling: Find the diameter of drill bit, cutting speed, and feed rate. Multiply the feed rate in mm/revolution by the cutting speed in mm/min. Multiply the product with the diameter of the drill bit in mm. Divide the product by 4 to obtain the material removal rate.
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WhatsApp: +86 18203695377WEBDrilling Capacity: 25 mm. Spindle Nose: MT3. Max. Spindle Travel (Drilling Depth): 250 mm. Spindle Speed: 731800 RPM. Spindle to base distance: 1050 mm. Distance from column to spindle: 250 mm. Cross Slide travel : 600 x 200 mm. Motor: 1HP Extra Cost.
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