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3. Description of US model code
Model name: Feed-off-the-arm, 3-Needle, Double Chainstitch Machine
123 4567891011
35800
Code Puller drive
B Belt type
D Clutch type (mechanical type)
P Same as "D", only for PZ
Code
Classification of needle gauge
8 3.2mm
9 3.6mm
32 3.2mm
36 3.6mm
Code Application and outline
Differential feed mechanism/Double lap seam/For light- and medium-
weight materials (denim fabric of 6 to 9 oz.)/1 mm of throat plate un-
evenness/Standard type wide roller equipped/Denim, jacket, working
clothes, etc.
QW Same as above, but 1 piece feed mechanism
Differential feed mechanism/Double lap seam/For medium- and heavy-
weight materials (denim fabric of 10 – 14 oz.)/2.4 mm of throat plate
unevenness/Standard type wide roller equipped/Denim, jacket, work-
ing clothes, etc.
WDR Same as above, but 1 piece feed mechanism
RWH Same as WDN, but rubber type wide roller equipped
Differential feed mechanism/Double lap seam/For medium- and heavy-
weight materials (denim fabric of 10 – 14 oz.)/2.4 mm of throat plate
unevenness/Standard type narrow roller equipped/Denim, jacket, work-
ing clothes, etc.
RU Same as above, but 1 piece feed mechanism
Differential feed mechanism/Double lap seam/For heavy-weight ma-
terials (denim fabric of 15 – 16 oz.)/2.4 mm of throat plate uneven-
ness/Standard type wide roller equipped/Denim, felt, etc.
Z Same as DNU and DRU, but inverted type narrow roller equipped
LW
WDN
NU
WW