MEMMINGER-IRO MRA 2, Руководство по эксплуатации

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6
Preparing for installation
Setting the hollow shaft encoder ratio
Before you fit the MRA 2 system you must set the ratio
between the one machine revolution and the revolutions
of the knitting machine drive shaft.
Rotate the machine through one revolution and count
the number of revolutions of the quality adjustment
pulley.
The last revolution of the quality adjustment pulley
must coincide with the end of the single machine
revolution and should be counted at this point (e.g. 1
machine revolution = 10.8 quality adjustment pulley
revolutions)
Measure the yarn feed rate per machine revolution.
You will need to know the yarn feed rate in order to
fine adjust the hollow shaft encoder ratio (see the
section Setting the hollow shaft encoder for the set
yarn feed rate).
Example:
10.8
1
Setting the toothed belt length
MPF unit on the feeder ring:
Toothed belt length = (ring outer di 200 mm) x
3.14 + 500 mm
MER unit on the feeder ring:
Toothed belt length = (ring outer di 150 mm) x
3.14 + 500 mm
Continuous toothed belts are available in sizes from 2 to
16 metres in steps of 200 mm. Measure the belt length
required (for example 7100 mm) and then use the next
belt length up (7200 mm in this example).
Removing the toothed belts, the
tensioning devices and the quality
adjustment pulleys.
Before you fit the MRA 2 you must first remove the toothed
belts, the tensioning devices and the quality adjustment
pulleys.
You can also remove any unnecessary drive shafts and
housings.