Duerkopp Adler 550-16-26 Manuel utilisateur
Contents Page:
Preface and General Safety Information
Part 1: Operating Instructions Class 550-16-26
1. Product Description ............................................ 5
2. Proper Use .................................................. 5
3 Technical Data ............................................... 6
4. Operation
4.1 Threading the Needle Thread ....................................... 7
4.2 Setting the Needle Thread Tension .................................... 9
4.3 Releasing the Needle Thread Tension .................................. 9
4.4 Setting the Thread Regulator ....................................... 10
4.5 Winding the Hook Thread ......................................... 11
4.6 Changing the Hook Thread Bobbin .................................... 12
4.7 Setting the Hook Thread Tension ..................................... 13
4.8 Changing the Needle ............................................ 14
4.9 Sewing Foot Lift ............................................... 15
4.10 Arresting the Sewing Foot in the High Position ............................. 16
4.11 Setting the Sewing Foot Pressure .................................... 16
4.12 Stroke Height of the Sewing Foot during Lifting ............................ 17
4.13 Pulsating sewing foot ............................................ 17
4.14 Knee Switch ................................................. 18
4.15 Left “Correction Value” / Fullness Value Pedal ............................. 18
5. Operating the Controls 550-16-26 ................................... 19
6. Sewing .................................................... 19
7. Maintenance
7.1 Cleaning and Checking ........................................... 20
7.2 Lubrication .................................................. 22
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1. Product Description
The Dürkopp Adler 550-16-26 is a configured sewing station for the
sewing-on of sleeves.
The workstations are equipped with a single needle, double lockstitch,
post-bed machine with bottom and top belt feed.
30 different fullness values can be selected via the keypad. In order to
achieve a firmer pulling-on of the stitch, a supplementary tension can
be added when a high fullness value is turned on.
Further details:
•Step motor technology for top and bottom belt feed.
•Material-protective belt feed with two individually powered belts for
the top and bottom feed.
2. Proper Use
The 550-16 is a sewing place which can properly be used for sewing
litght to medium weight material. Such material is, as a rule, material
made up of textile fibres. This material is used in the garment industry.
Further, it may be possible to also conduct so-called technical seams
with this special sewing machine. Here, however, it is essential that the
operator (Dürkopp Adler AG would be pleased to collaborate) make
an evaluation of the possible dangers because such applications are,
on the one hand, comparatively rare and, on the other, the variety is
immense. Dependent of the result of this evaluation, appropriate safety
measures are to be taken.
Generally, only dry material should be sewn on this machine. The
material should not exceed the thickness of 7 mm when compressed
by the lowered sewing foot. The material should not contain any hard
objects, otherwise it would be necessary to protect the eyes during the
sewing process. For the time being, no such guard is available.
The seams are produced generally with threads of textile fibres of a
dimension up to 70/3 - 140/3 NeB. Before using any other threads it is
necessary, also in this case, to estimate the consequential dangers
and to take, if necessary, the respective safety measures.
This special sewing machine may only be installed and operated in a
dry and clean environment. If the sewing machine is used in another
environment which is not dry and clean, further measures, which are to
be agreed upon, may be necessary (see EN 60204-31:1999).
We, as a manufacturer of industrial sewing machines, assume that at
least semi-skilled operating personnel will be working on our products
so that all normal operations and, where applicable, their dangers are
presumed to be known.
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3. Technical Data
Noise Workstation-specific emission value to DIN 45635-48-A-1-KL2
Cl. 550-16-26 Lc = 79 dB (A)
Stitch length: 4,4 [mm]
Number of
stitches: 2.500 [min-1]
Material: G1 DIN 23328 2-plies
Stitch type Double lockstitch
Needle system: 134-35
797
Sy1955-1
Needle thickness (as per E-No.:) [Nm] 70 - 100
Thickness of sewing thread max.: [Nm] 50/3
Number of stitches max.: [min-1]4.000
Stitch length max.: [mm] 1,5 - 5,5
Max. clearance under the sewing feet:
- Sewing [mm]
- Lifted [mm]
Operating pressure: [bar] 6
Air consumption per work cycle: approx. [NL] 0,6
Nominal voltage: 190-240V 50/60 Hz
Dimensions(L x B xH) [mm] 140 x 750 x 1300
Working level (ex works): [mm] 790
Weight [kg] 140
6
4. Operation
4.1 Threading the Needle Thread
Caution Risk of Injury !
Turn the main switch off !
Thread the needle thread only with the sewing machine turned off.
–Place the thread rolls on the thread stand and guide the needle and
the hook thread through the thread guides.
The thread guide 1 must be in vertical position above the thread
rolls.
–Thread the needle thread as shown in the illustration.
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1
Illus. A: Correct thread interlacing
in the middle of the material
Illus. B: Needle thread tension too low
or
hook thread tension too high
high
Illus. C: Needle thread tension too
high
or
hook thread tension too low
8
321 4
4.2 Setting the Needle Thread Tension
Pre-tension
With open main tension 3 a slight residual tension on the needle thread
is necessary. The residual tension is created by pre-tension 1.
The pre-tension 1 influences the length of the cut needle thread end at
the same time (starting thread for the next seam).
–Base position:
Turn the knurled nut 1, until its face is flush with bolt 2.
–Shorter starting thread:
Turn knurled nut 1 clockwise.
Main tension
The main tension 3 is to be set as low as possible.
The interlacing of the threads should lie in the middle of the material.
Too high thread tensions can lead to undesired puckering and thread
breakage in thin material.
–Set the main tension 3 so that a uniform stitch formation is
achieved.
Increase tension = Turn the knurled nut clockwise
Decrease tension = Turn the knurled nut -
counterclockwise
ATTENTION !
The main tension can be opened through the control.
(e.g. for sewing Polsters)
Supplementary tension
The supplementary tension 4 can be switched on for thicker gathering
(programmable).
–Set the supplementary tension 4 lower than the main tension 3.
4.3 Releasing the Needle Thread Tension
Automatic
The needle thread tension is automatically opened during thread
trimming and lifting of the sewing foot.
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1
4.4 Setting the Thread Regulator
Caution Risk of Injury !
Turn the main switch off .
Set the thread regulator only with the sewing machine turned off.
The needle thread quantity required for stitch formation is regulated by
the thread regulator 6.
Only a precisely set thread regulator assures an optimal sewing result.
With a correct setting the needle thread loop must glide over the
thickest part of the hook with a light tension.
–Loosen screw 5.
–Set the position of the thread regulator.
–Tighten screw 5.
Setting note:
When the largest thread quantity is required, the check spring 7 must
be pulled up approx. 0.5 mm from its upper end position. This is the
case when the needle thread loop passes the maximum hook
circumference.
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76 5
4.5 Winding the Hook Thread
–Slip the bobbin onto the bobbin winder 2.
–Pull the thread through the guide 3 and the tension 4.
–Wind the thread clockwise about 5 times around the bobbin core
and tear off at the thread clamp.
–Swing the bobbin winder lever 1 towards the bobbin .
–Sewing
The bobbin winder lever will stop the winding process as soon as
the bobbin is full.
ATTENTION !
If the thread is not to be wound during sewing,
it is essential to arrest the sewing foot in the raised position.
(See chapter 4.10)
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43 21
4.6 Changing the Hook Thread Bobbin
Caution Risk of Injury !
Turn the main switch off .
Change the hook thread bobbin only with the machine turned off.
Removing the empty bobbin
–Swing the hook cover 2 down.
–Bring the needle bar in high position.
–Lift the bobbin case flap 1.
–Take out the bobbin case top 3 with the bobbin 7.
–Remove the empty bobbin from the bobbin case top 3.
Inserting a full bobbin
–Insert the full bobbin in the bobbin case top 3.
–Pull the hook thread through slit 6 under the tension spring 5 until
in the drilled hole 4.
–Pull the hook thread approx. 5 cm out of the bobbin case 3.
The bobbin must turn in the direction of the arrow when the thread
is pulled off.
–Insert the bobbin case 3 again.
–Close the bobbin case flap 1.
–Swing the hook cover 2 up.
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65
4
1
7
21
3
4.7 Setting the Hook Thread Tension
Caution Risk of Injury!
Turn the main switch off .
Set the hook thread tension only with the machine turned off.
Half of the necessary hook thread tension should be created by the
brake spring 8 and halb by the tension spring 5.
Setting the tension spring
–The bobbin case top 3 should slowly lower under is own weight
(see right illustration).
–Set the tension spring 5 at the adjusting screw 10 until the
necessary tension value is reached.
Note:
The hook thread tension should amount to 20 +/- 5 grams.
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105
8
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