8
List 4. Lathe Spindle Gearshift List
●
Drill-mill Spindle Gearshift
The motion is driven from motor to drill-mill spindle through o type v-belt.
If you change the positions of belts according to Drill-mill Spindle
Gearshift List, the drill-mill spindle can get 9 different speeds (See List5).
List 5. Drill-mill Spindle Gearshift List
5.2. Feed Driving System And Thread Cutting
As showed in Fig.1, the feed motion is driven by way of spindle, gear 13 on
spindle, gear 12,shaft
Ⅱ
, triplicate gear 10 (or 11) on shaft
Ⅱ
, shaft
Ⅲ
and
change gears to longitudinal feed lead screw, then the carriage table can feed
longitudinally.
●
When handle 4 is at
Ⅰ
marked by label, the duplicate slip gear on shaft
Ⅲ
moves to the right, and the longitudinal power feed of the carriage
table is 0.12mm/r (dispose change gears as per List 6).
●
When handle 4 is at
Ⅱ
marked by label, the duplicate slip gear on shaft
