Thread’S Supplementary Tension In Relation To The Stroke Adjustment And The Speedomat - DURKOPP ADLER 867 Instruction Manual

6.2.3 Function of the thread’s supplementary tension in relation to the stroke adjustment and the
Speedomat
6.3 Opening the thread tension
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The thread’s supplementary tension can, at any time, be switched on
and off by actuating the key 1 (see chapter 6 16) of the machine’s
keypad To that end, the parameter F-147 must be set to “1"
Parameter stroke adjustment max
Setting
F-197 = 0
F-197 = 1
F-197 = 2
F-197 = 3
(*) If the stroke adjustment (max
the HP-speed of parameter F-117 is reached through the “Speedomat”,
the thread’s supplementary tension will be switched on automatically
0 = Thread’s supplementary tension closed mechanically
1 = Thread’s supplementary tension opened mechanically
·
If the thread’s supplementary tension is closed, the condition will
be maintained when adjusting the stroke
·
When the machine is switched off, the last setting of the thread’s
supplementary tension will be maintained through the mains
connection
Basic control box setting for the automatic steps of the
stitch-number-reduction (Speedomat) through the setting wheel for the
height of the alternating transport stroke
Parameter 88
Step 01-21
Step 01-10
Step 11-18
Step 19-21
Subclasses
867- 90020, 867- 90040, 867-290020, 867-290040
When lifting the sewing feet with the knee switch, main and
supplementary tension are automatically opened
Subclasses
867- 90322, 867- 90342, 867- 90325, 867- 90345, 867-290322,
867-290342, 867-290325, 867-290345, 867-392242, 867-393242,
867-394242
The thread tension is automatically opened when trimming the thread
via knee switch
Reaching of the HP-speed
1
0
1 (*)
0
via knee switch is switched on and
total Speedomat range
max allowed number of stitches
F-111 = 3 400 resp 3000 min
linear stepwise reduction of the max
stitches (Speedomat)
max allowed number of stitches, parameter
1
F-117 = 1 800 min
stroke adjustments
setting wheel
of parameter F-117
(Speedomat)
1
1
0
10
parameter
1
number of
17
*