Jack C4 Training Courseware

Product introduction –general introduction
C4 series, supper high speed automatic overlock
machine ,is iterative product of JK-900E，not
only inherit the mechanical advantage of JK-
900E，but only use non-shell hall servo motor 、
integrated control box、three proofing sensor、
needle bar avoiding oil leakage technology、USB
technology and several other new
technology,voice guide，bigger sewing range，
more stable sewing performance，more beautiful
stitch，better machine appearance、novelty、
compact structure ，only need to connect with
power ,then start sewing easily。

Jack C4 Specifications

General

Product Introducti	ion-technical specifications
Type/Name	C4 The Fastest Automatic Overlock Machine
Highest Speed	7000rpm/min
Differential	0.7-2.0
Thread Wideth（mm）	1.5-8.0
Presser Foot Height（mm）	5.0-7.0
Needle Type	DCX27
Needle Bar Height	（general）10.4mm/12mm（heavy）
Needle Bar Stroke	（general）24.5mm/26mm（heavy）

Weight and Dimensions

Max Length(mm)	0.8-4.8