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Gearbox BL250D - Page 8

Gearbox BL250D
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A B C A B C A B C
5
4
3
2
1
5
4
3
2
1
5
4
3
2
1
0.50 1.00 2.50
0.40
0.35
0.30
0.25
0.80
0.70
0.60
0.50
2.00
1.75
1.50
1.25
48 24
60 30 12
80 40 16
96 48
mm n/ 1
mm
0.035 0.07 0.175
0.045 0.09 0.225
0.05 0.10 0.25
0.06 0.12 0.30
0.075 0.15 0.375
Pic 5、Feeding & Threading Tablet
When change metric threading to imperial threading, besides the
indications shown on the tablet, you are required to change Gear A
from teeth 34(teeth 36) to teeth 36 (teeth 34).
) Carriage
Handle 8 is for longitudinal and cross feeding. Press down for cross feeding and
up for longitudinal, the middle is neutral position. When handle 8 at neutral
position, rotate handwheel 5 and 6 can also achieve longitudinal/cross movement
of toolpost. Press down handle 9, close the halfnut, the toolpost shall make
threading. Handle 8 and 9 can be inter-locked.
) Saddle and toolpost
Handle 7 is for locking the toolpot, handle 10 is for moving the small carriage
and handle 6 for moving working table.
) Tailstock
Handle 11 is for locking the sleeve in tailstock. Releasing handle 11, rotate
handle 13, you can get out sleeve; handle 12 is for locking the tailstock.
z Maintenance
) Making lubrication as per request before operation.
) Clean the chips on bedway, saddle, toolpost to avoid strain.
) The operator shall strictly make the operation as per regulations to
avoid damage of the lathe and human safety.
) Never stop/brake the lathe by hands.
) No setting of tools and other objects on the headstock, toolpost and
guidewawy.