m - HKU Libraries
m - HKU Libraries
m - HKU Libraries
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Job Title:<br />
Twister<br />
Level of Skill: Operative<br />
Job Description:<br />
Tending and cleaning twisting<br />
frames, placing package of yarn on<br />
creel, knotting broken ends and<br />
doffing twisted yarn bobbin.<br />
Job Skill Standards:<br />
I. Trade Theory:<br />
1. Know the purpose of twisting<br />
and the working principle of a<br />
twisting frame.<br />
2. Know the dangerous parts and<br />
the safety devices on twisting<br />
frames.<br />
3. Know the names of the main<br />
parts of a twisting frame.<br />
4. Be aware of the importance of<br />
keeping a twisting frame in a<br />
clean condition.<br />
5. Know the different types and<br />
numbers of ring travellers and<br />
their relation with yarn counts.<br />
6. Be aware of the importance of<br />
NOT using a steel knife to cut<br />
off roller laps.<br />
7. Be aware of the importance of<br />
removing wrongly folded ends,<br />
and oil-stained or dirty yarn from<br />
the tubes of pre-folded or folded<br />
yarn.<br />
8. Be aware of the importance of<br />
maintaining correct twist in the<br />
thread when ends are started or<br />
pieced.<br />
9. Be aware of the importance of<br />
correcting slack spindle tapes and<br />
badly running spindles.<br />
10. Be aware of the importance of<br />
tying correct knots and taking<br />
care to keep yarn waste to a<br />
minimum.<br />
11. Be aware of the importance of<br />
applying brakes on spindles when<br />
putting on or pulling off bobbins.<br />
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