303 lab 7 - Exercise 1 Part A Using Browning Catelog Using Boston Gear Catalog Part Number Gear Type S2436 L125Y H-2025-R Spur Miter Helical Worm Gear

303 lab 7 - Exercise 1 Part A Using Browning Catelog Using...

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Exercise 1: Part A: Part B: a. Driver Gear Driven Gear Speed Ratio S2424 S2448 48:24 2:1 H1632-R H1632-L 32:32 1:1 H1056R G1051RH 30:1 b. Gear Safe HP at N=100 RPM Maximum Torque Transmitted (In-lb) S2448 .11 69.32 L112Y .07 44.2 H1632-R .29 182.77 G1051RH .05 35.51 Using Boston Gear Catalog Using Browning Catelog Part Number Gear Type Catalog Page Number Diametral Pitch Pitch Diameter (inch) Number of teeth Pressure Angle Bore (Inch) Part Number S2436 Spur A18 24 1.5 36 14 1/2 1/2 NSS2436A L125Y Miter A57 12 1.25 15 20 3/8 SM12B15 H-2025-R Helical A50 20 1.25 25 14 ½ 5/8 NSH2025AR G1260RH Worm Gear A72 12 5 60 14 ½ 5/8 BWG1260-IL H1407RH Worm A72 12 1 Double Threaded 14 ½ ½ W12A2 L509-4 Rack A33 20 - - 14 ½ - 4NSR20x3/8
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Exercise 2: a) Overload Service Factor = 1.5 b) Required Horsepower = 3HP c) Speed Ratio 2:1 d) Diametral Pitch = 6, 12 Number of teeth: Driver/ Driven = 16:32, 32:64 e) Pitch for driver = 12 f) Driver HP = 3.03 HP Driven HP = 2.02 g) Driver = NSS1232 Driven = NCS1264 Post Lab 1) a) Straight Bevel and Hypoid Gears b) Spur and Helical Gears 2) An Idler placed in between the driver and driven gear has no effect on the speed ratio between the two.
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