Selection Of Standard Spur Gears For Simple Spur Gear Drive Gear A Side View Figure 1 Example Of The Simple Spur Gear Tr 1 (43.8 KiB) Viewed 10 times
Selection Of Standard Spur Gears For Simple Spur Gear Drive Gear A Side View Figure 1 Example Of The Simple Spur Gear Tr 2 (35.2 KiB) Viewed 10 times
SELECTION OF STANDARD SPUR GEARS FOR SIMPLE SPUR GEAR DRIVE Gear A Side View Figure 1 Example of the simple spur gear train Figure 1 above shows a simple spur gear drive proposal. The drive consists of a 20- degree pressure angle. Gear A is driven by hand and is used to drive gear B and C. Gear A has 34 teeth while gear B and gear C have 13 and 17 teeth respectively. Material proposed for gear A and C is heavy-duty 817M40 steel, while for gear B is heavy-duty 655M13 Case hardened steel. Let b = m and a = 0,8m
1.3 Draw and label a side view freehand sketch for Figure 1 above. The side view (2) is indicated in Figure 1. (Show gears and shafts only). 1.4 Refer to the information on a simple spur gear drive proposal on page 3. Gear (39) A is driven by hand at 4 rpm in a clockwise direction. The gear set is to transmit 10 W power, and the load and drive can be considered smooth. Ignoring the velocity factor, determine the minimum face width of gears A, B & C using the Lewis formula and select suitable gears from the limited choice given in the prescribed textbooks; 3rd Edition refers to Table 5.7, while 2nd Edition refers to Table 6.7.
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