Specifi Cations; Pfaff 937; Versions And Subclasses - Pfaff 937 Instruction Manual

Specifi cations
3 Specifi cations
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PFAFF 937

.01
Stitch type: .............................................................................................. 304 (zigzag lockstitch)
Needle system: .................................................................................................................... 438
Needle size in 1/100 mm:
Model B: ....................................................................................................................... 80 - 100
Presser foot clearance: .....................................................................................................7 mm
Clearance width: ...........................................................................................................260 mm
Clearance height: ..........................................................................................................130 mm
Sewing head dimensions:
Length: .................................................................................................................... ca. 550 mm
Width: ..................................................................................................................... ca. 180 mm
Height (above table): ............................................................................................... ca. 300 mm
Bedplate dimensions: ......................................................................................... 476 x 177 mm
Max. stitch length
PFAFF 937-6/61: .............................................................................................................4,5 mm
PFAFF 937-32/23 N24: ............................................................................................................
Max. stitch with: ............................................................................................................6,0 mm
Max. speed/min
Connection data:
Operating voltage: ................................................................................ 230 V ± 10%, 50/60 Hz
Motor data: .................................................................... See instruction manual for the motor
Working air pressure : ........................................................................................................ 6 bar
Air consumption : ..........................................................................................~0.8 l / work cycle
Noise data:
Noise emission level at workplace with a sewing speed of 4000 spm: ...........L
(Noise measurement in accordance with DIN 45 635-48-A-1, ISO 11204, ISO 3744, ISO 4871)
Net weight of sewing head: .........................................................................................ca. 48 kg
Gross weight of sewing head: .....................................................................................ca. 56 kg
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Versions and subclasses

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Version B: .................................................................................... for sewing medium materials
Subclass –900/24 ............................................................................................... thread trimmer
Subclass –910/04 ........................................................................................... automatic foot lift
Subclass -911/35 ................................................................ automatic back-tacking mechanism
Subclass -918/14 .......................................................................................................switch unit
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-1 : ........................................................................................................... 5000
Subject to alterations
Dependent on material and work operation
K = 2,5 dB
pA
2.5 mm feed stroke of the bottom and 4.5 mm feed stroke of the top feed dog
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< 80 dB(A)
pA