1. differential gear
2. helical gear
3. spur gear
4. worm gear
worm gear
1. 0.5
2. 5
3. 15
4. 150
150
1. silicon carbide
2. diamond
3. aluminum oxide
4. boron carbide
aluminum oxide
1. nitriding
2. Normalizing
3. carburizing
4. induction heating
carburizing
1. wood
2. rubber
3. metal
4. polystyrene
polystyrene
1. copper wire
2. tungsten wire
3. brass wire
4. tungsten carbide
brass wire
1. two end points only
2. center and radius
3. radius and one end point
4. two end points and centre
two end points and centre
1. 54
2. 60.8
3. 72
4. 58.32
72
1. single product in large volumes
2. one-off production of several varieties
3. products with similar features made in batches
4. large variety of products in large volumes.
single product in large volumes
1. (1/2s)-s/[2(s2+16)]
2. s/(s2+16)]
3. (1/s)-s/(s2+4)
4. s/(s2+4)
(1/2s)-s/[2(s2+16)]