m - HKU Libraries
m - HKU Libraries
m - HKU Libraries
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9. Be aware of the importance of<br />
always making good and clean<br />
piecings.<br />
10. Know how to differentiate between<br />
labels on laps of different<br />
blends, or weight per yard,<br />
11. Be aware of the importance of<br />
regular removal of droppings<br />
from under the cylinder, doffer<br />
and taker-in.<br />
12. Be aware of the importance of<br />
not allowing the sliver can to<br />
contain more than the standard<br />
amount of sliver.<br />
II. Trade SM11: Be competent in:<br />
1. Starting and stopping a carding<br />
engine, changing laps, doffing<br />
full cans and piecing slivers<br />
skilfully.<br />
2. Cleaning carding engines and the<br />
floor between carding engines,<br />
according to the schedule.<br />
3. Keeping the amount of good<br />
cotton torn off as small as possible<br />
when piecing laps and<br />
slivers.<br />
4. Fixing and removing belts and<br />
ropes.<br />
5. Handling laps and sliver cans.<br />
III. Skill Standard:<br />
The standards are based on a<br />
60 Ib. lap and 10" dia. can being<br />
used.<br />
"A" Grade Standard<br />
Change and piece one lap perfectly<br />
in 12 seconds.<br />
Repair one normal web breakdown<br />
perfectly in 10 seconds.<br />
"B" Grade Standard<br />
Change and piece one lap perfectly<br />
in 14 seconds.<br />
Repair one normal web breakdown<br />
perfectly in 12 seconds.<br />
IV. Trade Tests:<br />
1. Change lap, repair web breakdown<br />
and feed sliver to coiler<br />
within a certain time as specified<br />
in the Skill Standard.
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