This document contains information for selecting gears, shafts, and bearings for a gearbox with an input power of 15 kW and input/output velocities of 1500/90 m/s. It lists 4 gears made of steel with varying pressures angles, helix angles, numbers of teeth, and materials. It also lists 3 shafts of varying diameters and grades of steel, and 3 bearings with part numbers to be used.

1. EXERCISE 2
SECTION C-C
SCALE 1 : 5
1 2 3 4
8 9 75 6 10
gear selection
shaft selection
bearing selection
INPUT POWER = 15 KW
INPUT VELOCITY= 1500M/S
OUYPUT VELOCITY = 90M/S
comp type m press ang. helix ang. b no.teeth mat.
1 gear 1 3.5 20 30 36.4 20 steel g1
2 gear 2 3.5 20 30 36.4 74 steel g1
3 gear 3 4.04 20 30 41.6 25 steel g1
4 gear 4 4.04 20 30 41.6 114 steel g1
comp type no name
8 ball bearing 1 2 *2209EAE4
9 bal bearing 2 2 *2221EAE4
10 ball bearing 3 2 *22215ERE4
comp type diameter material
5 shaft 1 45 steel grade 1
6 shaft 2 55 steel grade1
7 shaft 3 75 steel grade 1