Identify the cutting speed end mill. Table 4-2. Recommended Cutting Speeds and Feeds Turning Workpiece Material...
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Identify the cutting speed end mill. Table 4-2. Recommended Cutting Speeds and Feeds Turning Workpiece Material Aluminum Brass Copper Iron, cast (medium) Magnesium Steel Cold rolled Low carbon (annealed) Stainless (316) Note: 1. Feeds same for all materials: Dril diameter (n.) Feed (IPR) Table 4.3 Material Steel 300 300 Cemented Carbide Speed Feed Speed Feed Speed (SFPM) (IPR) (SFPM) (IPR) (SFPM) (IPM) Feed 300 75 900 150 160 100 Copper Titanium HSS Stainless steel 0.030 0.030 0.030 0.015 0.030 0.015 0.015 0.015 0.125 0.250 0.500 0.750 1.000 0.004 0.006 0.010 0.012 0.014 1200 600 750 260 1200 Cast iron Magnesium OKAY Aluminum 375 550 350 feed rate Hardness (BHN) 120 200 300 400 200 400 200 50 100 150 250 0.031 0.108 0:090 0.062 0.030 0.035 0.035 0.030 750 150 150 95 600 90 125 70 Milling HSS 1888*8 288 Cemented Carbide 1.7 2.3 Speed (SFPM) 1.1 0.2 0.3 1.2 1.2 1200 350 1000 225 1200 175 350 250 183838 298 80 2. Inches per revolution 3. Inches per minuto. [Some sources specify starting feed per tooth (inchos).] Spoods and seads for steal are a function of Brinell number; these are average values; optimum values may diffor significantly from the table values. Food Speed (IPM)³ (SFPM) 34 24 19 40 30 Unit Power (hp/in.³/min) (Pa) 1.2 1.4 1.8 2.0 and unit power Drilling¹ HSS 550 300 200 150 500 160 220 90 O from the chart below for milling cold rolled steel(BHN=200) with a high speed steel Identify the cutting speed end mill. Table 4-2. Recommended Cutting Speeds and Feeds Turning Workpiece Material Aluminum Brass Copper Iron, cast (medium) Magnesium Steel Cold rolled Low carbon (annealed) Stainless (316) Note: 1. Feeds same for all materials: Dril diameter (n.) Feed (IPR) Table 4.3 Material Steel 300 300 Cemented Carbide Speed Feed Speed Feed Speed (SFPM) (IPR) (SFPM) (IPR) (SFPM) (IPM) Feed 300 75 900 150 160 100 Copper Titanium HSS Stainless steel 0.030 0.030 0.030 0.015 0.030 0.015 0.015 0.015 0.125 0.250 0.500 0.750 1.000 0.004 0.006 0.010 0.012 0.014 1200 600 750 260 1200 Cast iron Magnesium OKAY Aluminum 375 550 350 feed rate Hardness (BHN) 120 200 300 400 200 400 200 50 100 150 250 0.031 0.108 0:090 0.062 0.030 0.035 0.035 0.030 750 150 150 95 600 90 125 70 Milling HSS 1888*8 288 Cemented Carbide 1.7 2.3 Speed (SFPM) 1.1 0.2 0.3 1.2 1.2 1200 350 1000 225 1200 175 350 250 183838 298 80 2. Inches per revolution 3. Inches per minuto. [Some sources specify starting feed per tooth (inchos).] Spoods and seads for steal are a function of Brinell number; these are average values; optimum values may diffor significantly from the table values. Food Speed (IPM)³ (SFPM) 34 24 19 40 30 Unit Power (hp/in.³/min) (Pa) 1.2 1.4 1.8 2.0 and unit power Drilling¹ HSS 550 300 200 150 500 160 220 90 O from the chart below for milling cold rolled steel(BHN=200) with a high speed steel
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An Introduction To Mechanical Engineering
ISBN: 9781111576820
3rd Edition
Authors: Jonathan Wickert, Kemper Lewis
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