Product features
The Special machine for the filter industry
Due to the particularly large clearance of 1,000 mm under the sewing head and the step-motor driven rotating arm the M-TYPE cylinder arm machine guarantees maximum quality and efficiency processing tubular workpieces up to 10 meters long. Automatic functions like pneumatic sewing foot lift, automatic backtacking, quick stroke adjustment, second integrated stitch length and pneumatic additional thread tension guarantees maximum ease of use.
Examples of use

Specifications
| Model | 550-869 |
|---|---|
| Additional thread tension, A= Automatic, Ma=Manual | ● A |
| Air requirement per stroke / Air pressure [NL] [bar] | 0,7 / 6 |
| Bottom feed, needle feed and alternating foot top feed | ● |
| Clearance when Sewing/Lifting A = Sewing [mm] max. B = Lifting [mm] max. | A= 10 / B= 20 |
| Cylinder arm machine with clearance C [mm] D [mm] | C=1000 / D=125 |
| Dimensions (Length, Width, Height) [mm] | 1.800 / 600 / 1.700 |
| Electronical needle positioning | ● |
| Integrated 2nd qick stroke adjustment Quick stroke adjustment via knee switch and foot stroke adjustable by dial with simultaneous automatic speed limitation according to the foot stroke and feeding length. | ● |
| Integrated 2nd stitch length adjustment | ● |
| Integrated LED sewing light with dimmer | ○ |
| Lockstitch (301) | ● |
| Needle size [Nm] max. | 90-180 |
| Needle system [Nm max.] * depending on the sewing equipment | 134-35 |
| Nominal voltage [V], [Hz] | 1x230V, 50 / 60 Hz |
| Oil maintenance indicator | ○ |
| Program control, operating panel OP1000 | ● |
| Rated power [W] max. | 375 W |
| Seam backtacking A = Automatic, Ma= Manual ***= programmable, stitch length 0,5-6,5mm | ● A |
| Sewing foot lift, automatic | ● |
| Sewing Material SL = very light / L= light / LM = light to medium heavy / M= medium heavy / MS = medium heavy to heavy / S = heavy | M / MS |
| Step-motor driven rotating arm | ● |
| Stitch length [mm] max. | 9 |
| Stitches/min. max. *= depending on foot stroke **= depending on foot stroke and stitch length *** = in case of twin needle / three needle version less speed possible – dependent on needle distance ****= selectable per step *****= depending on the use of the stitch loosening device ******= max. 2,500 stitches in combination with conversion kit “Heavy” *******= The sewing speed depends on the type of cam used | 2.000* |
| Stroke of the alternating sewing feet [mm] max. | 9 |
| Synthetic [Tkt.] max. * = Max. thread size upper thread: Tkt. 10/3, max. thread size Unterfaden: Tkt. 20/3 ** = Max. thread size upper thread: Tkt. 15/3; max. thread size Unterfaden: Tkt. 40/3 | 10 / 3 |
| Thread trimmer, automatic | ● |
| Two needles Needle distance [mm] max. | ● 4-30 |
| Vertical hook, large (L, Ø 26 mm) | ● |
| Weight, sewing head [kg] | ca. 90 |
● Standard ○ Optional
Videos
Catalogue
The 550-869 documents Dürkopp Adler publishes, on their own site. They open in a new tab.
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Data sheets, photos, videos and specifications: Dürkopp Adler.
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