Smart Sewing Systems

GL-3020R-12

Name: GL-3020R-12 Extra-Heavy Pattern Sewer with 12× Hook
Brand: GUOLING

Extra-Heavy Pattern Sewer with 12× Hook

For 3–4 inch tie-downs, tow straps, aviation goods, flexible round slings, flat slings and rigging end reinforcement.

300×200 – 600×400 mmSewing range

18–23 mmSewing thickness

1,800 rpmMax. sewing speed

Available models

GL-3020R-12GL-5030R-12GL-6040R-12GL-3020R-6

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GL-3020R-12 Extra-Heavy Pattern Sewer with 12× Hook

Key features

Full-servo drive

Sixth-generation split control with a 2200W full-servo motor.

Hook options

6× or 12× hooks increase bobbin capacity for heavy thread.

Heavy-duty capacity

Sews up to 18–23 mm, with a maximum of 1,800 rpm at 5.0 mm stitch.

Stable transmission

Steel-cord timing belts and reinforced rails, with a rail-and-belt Y axis.

Auto trimming

Runs 500D–1500D ×3 high-tenacity polyester with flat-blade auto trimming.

Technical parameters

GL-3020R-12 Technical parameters
Model	GL-3020R-12 / GL-5030R-12 / GL-6040R-12 / GL-3020R-6
Main use	Slings and tow straps
Sewing range	300×200 mm / 600×400 mm (optional)
Stitch length	5.0–12.7 mm
Stitch type	Single-needle lockstitch
Feed mode	Intermittent / continuous
Needle	DY×3: 21#–29# (standard)
Presser-foot height	40 mm (factory set 35 mm)
Outer clamp height	35 mm
Needle-bar stroke	56 mm / 70 mm
Presser-foot lift	15 mm
Net size (L×W×H)	120×115×135 cm (smallest model)
Net weight	285 kg (smallest model)

Figures come from current product documents and may change with configuration and version. Please confirm against your quotation and the latest technical documents before ordering.

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