6
5.1 Main Driving System
●
Lathe Spindle Gearshift
The motion is driven from motor to lathe spindle through the v-belt
(o-type). If you change belt positions as per lathe spindle gearshift list, the
lathe spindle can have 9 different speeds. (List 4. for your reference)
List 1. Number Of Bearings In Fig.2
Position
№
.
1
2
3
4
5
6
7
8
9
10
11
12
13 14
Bearing
№
.
8108
810
8
8107 204 204 109
200710
7
D2007108 8105 2007110 8104 D2007112 8201 8201
List 2. Type Nos. Of V-belts In Fig.2
Mark
Standard
Description & Specification
Quantity
a
GB1171-74
O type v-belt 630
1
b
GB1171-74
O type v-belt 710
1
c
GB1171-74
O type v-belt 1250
1
d
GB1171-74
O type v-belt 900
1
Fig.2 Bearings And Driving
Belts Positions Fig.