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Computerized new model GT7-AUTO series 3, 4, 5 and 6 threads overlock sewing machine with electromagnetic (electronically controlled by a photocell system), automatic thread cutting and presser foot lift, waste suction device (optional). With 4 modes of sewing: manual, free-sewing, semi-automatic and automatic. Overlock machine with 6, very easy to set, photocells settings by sewing fabric type-thickness (thin, normal, thick, sheer, L mesh, B mesh). Built-in LED lamp is practically placed directly above the needle, providing excellent illumination of the entire working area. That model has got the newest energy-saving efficient built-in servo motor 550W. The motor is very silent and stable for factory production.
Max. sewing speed 7.000 spm
Max. stitch length 0.5 - 5.0* mm
Transport types Differential drop feed 0.7 - 2.0 mm
Automatic chain cutter
Automatic presser foot lift
Needle system DCx27 (B-27)
Number of needles 1/2/3
Chain stitch
Clearance under presser foot 5.5 mm
Direct drive
Button for manual chain cutting within operator area
Fully automatic lubrication system with oil filter
New type of oil intake system from needle bar (stops oil leakage)
Connection voltage, single-phase a.c. 230 V, 50/60 Hz
| Model |
Seam width |
No. of needles/ No. of threads |
Sitch type |
| GT7AUTO-3 | 5 mm | 1/3 | 504 (Chain stitch) |
| GT7AUTO-4 | 2+4 mm | 2/4 | 514 (Chain stitch) |
| GT7AUTO-5 | 3+5 mm | 2/5 | 516 (Chain stitch) |
| GT7AUTO-5 | 5+5 mm | 2/5 | 516 (Chain stitch) |
| GT7AUTO-6 | 5+2+4 mm | 3/6 | 519 (Chain stitch) |
