273 / 274 | Single needle lockstitch machines with top puller feed

Predestinated for flat seams – even in difficult-to-feed fabrics

The top puller feed machines 273 and 274 are predestinated for flat seams – even in difficult-to-feed fabrics. Even at maximum speed the top puller feed is characterized by its synchronous working method. Supplementary to the bottom feed the material is systematically tensioned during the sewing process due to the additional intermittently operating puller, thus producing a pucker-free seam. Due to the thread nipper the needle thread is pulled to the reverse side of the fabric at the seam beginning. This guarantees an always neat seam beginning. The machines can very easily be converted to bottom- / needle feed machines by lifting the puller out of the working area by hand.

With the triple feed (bottom, needle, top puller feed) the 274 is predestined for displacement-free seams even in pile fabric like e.g. velvet.

Your benefits at a glance

Flat seams in difficult-to-feed material due to bottom feed and intermittent top puller feed (273)Flat, displacement-free seams due to triple feed – bottom-, needle and top puller feed (274)Top puller feed with constant speed, working extremely close behind the sewing foodReproducible adjustment of the top puller feed via handwheel, independent of stitch lengthTop puller feed can be lifted upwards, thus the clearance is equal to that of the 272Height-adjustment of the pressure footNeat seam beginning due to thread nipperAutomatic sewing foot lift, thread trimming and backtacking as standardErgonomically attached multi-switch for puller up/down, backtacking, needle up/down or single stitch and backtack inversionDAC classic control with control panel OP1000Energy-saving, integrated sewing driveCentral oil-wick lubrication

Examples of use

Technical specifications

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Stitch length
4,0 / 7,0
4,0 / 7,0
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Stitches/min.
5.000
5.000
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Sewing Material
L / M
L / M
Single needle
Lockstitch (301)
Horizontal hook, small (S, Ø 22mm)
Bottom feed and top puller feed
Bottom feed, needle feed and top puller feed
Seam backtacking, sewing foot lift and thread cutting, pedal-controlled
Disable backtacking, needle up/down and intermittent tacking, actuated by hand
Thread nipper for a neat seam beginning
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Clearance when lifting, electro magnetic
6
6
Program control, operating panel OP1000
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Air requirement per stroke / Air pressure
0,2 / 6
0,2 / 6
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Needle system
134 / 797
134 / 797
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Needle size
70-120
70-120
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Synthetic
30/3
30/3
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Cotton
20/3
20/3
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Flat bed machine with clearance
C= 285 / D = 115
C= 285 / D = 115
Integrated DA-direct drive
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Nominal voltage
1x230V, 50/60 Hz
1x230V, 50/60 Hz
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Rated power
500
500
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Weight, sewing head
33
35
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Packaging size (Length, Width, Heigh)
780 / 370 / 790
780 / 370 / 790
Standard Optional

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