23.12.2014 Views

m - HKU Libraries

m - HKU Libraries

m - HKU Libraries

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

IV. Trade Tests:<br />

1. Demonstrate competence in hand<br />

and machine knotting.<br />

2. Replace feed bobbins, knot ends<br />

and re-start skilfully in a certain<br />

time as specified in "Skill<br />

Standard".<br />

3. Clean a winding machine<br />

efficiently within a reasonable<br />

time.<br />

4. Check the slub catchers for the<br />

correct setting.<br />

5. Check a number of cheeses for<br />

winding faults and yarn defects.<br />

6. Repair end breaks on a multiend<br />

winding machine.<br />

7. Show skill in readying a number<br />

of ring cops and cheeses.<br />

8. Answer questions satisfactorily<br />

on:<br />

(a) The purpose of winding.<br />

(b) The dangerous parts and<br />

safety devices on a winding<br />

machine.<br />

(c) The names of the main parts<br />

of a winding machine.<br />

(d) The effect of imperfect<br />

cleaning work on both<br />

quality and machinery.<br />

(e) The bad effects resulting<br />

from failing to make a knot<br />

of the broken ends.<br />

(/) The reasons for using bobbins<br />

of different colours for<br />

different yarn counts and<br />

the importance of not allowing<br />

different yarn counts to<br />

become mixed,<br />

(g) How to remove yarns which<br />

have wrapped around winding<br />

drums.<br />

(h) What action should be taken<br />

if clearer settings are wrong,<br />

stopping devices are not<br />

operating properly or waxing<br />

device is not working<br />

properly.<br />

97

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!