Troubleshooting and Maintenance
- 4.4 -
SMART 200 MTC
LDRUM Calculation Example
Assumptions
1)
The yarn used by the customer is a silk 21 deniers
(Title).
2)
The customer usually produces bobbins of 1000 grams
(P1)
Calculations
1)
Set LDRUM = 1000
(Menu SETUP)
2)
Set TARGET = 999.999
(Menu MENU)
3)
Produce a 1000 g bobbin, confirming the weight with a precision scale, taking
into account the weight of bobbin core
(cone, spool)
4)
Read the sensor’s counter value
(Menu COUNT)
; let’s suppose that the value
read is
CNT
1
= 189,000
(sensors stroke counter)
5)
Using the appropriate conversion formula, obtain the length in meters
corresponding to 1000 g of silk, 21 deniers.
Meters_Weight
i
= 9000* P
i
= 9000*1000 = 428571 [meters]
Title(deniers) 21
6)
Now we can calculate the LDRUM value using the following formula:
LDRUM
i
= 1000*Meters_Weight
i
= 1000*428571 = 2268 [mm/stroke]
CNT
i
189000
7)
At this point we can set the correct LDRUM and TARGET values and
confirm through the bobbin weight if the setting is correct.
8)
Small differences between one position and another can be adjusted using the
KANTIP parameter.
Содержание IS3W/MTC
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