1. PREPARATIONS FOR INTRODUCING THE MACHINE
60
1.5
Other Equipment
1.5.1
Temperature Control and Air Conditioning
To maintain the optimum operating condition of the weaving machine, it is important to keep the
weaving room at a constant temperature and humidity.
It is recommended that the weaving room be conditioned as listed below. The optimum temperature
and humidity will vary depending upon yarn type and sizing.
If the room temperature drops excessively in winter, sizing agent on warp will become hard, causing
frequent warp breaks, weft miss due to shed opening failure, and other weaving problems.
1.5.2
Lighting
The table below is based on the JIS. The luminance should be constant and measured at a height
of 85 cm above the floor.
1.5.3
Prevention from Fly, Fleece, and Dust
The mechanisms of the weaving machine are covered to prevent fly, fleece, and dust from getting
into them. Such covering is, however, not sufficient, so the weaving factory itself should have some
preventions against fly, fleece, and dust.
It is recommended that your factory be equipped with an overhead cleaner (travelling cleaner) and
automatic dust collector which can:
a
)Reduce the cost of cleaning by hand, with a minimum of machine stops for cleaning.
b)
Decrease weft misses, weft breaks, warp breaks due to fly, fleece, or dust.
c)
Decrease the weaving-in problems of fly, fleece, and waste yarn.
d)
Improve the working environment.
Spun yarn
Filament yarn
Temperature
25 to 30°C
20 to 25°C
Humidity (RH)
65 to 75%
65 to 70%
Temperature, humidity, and air circulation
Controllable
Controllable
Air circulation frequency (No. of times/hour)
12 to 15
12 to 15
Location
Luminance (lux)
Warping
150 to 300
Sizing
150 to 300
Winder
150 to 300
Drawing-in through healds
300 to 750
Weaving room
300 to 750
Maintenance room
150 to 300
Cloth inspection
750 to 1500
Office
750 to 1500
Yarn type
Conditions
