Bolton Tools AT400 Manual del usuario - Página 9

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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