With continuous upgrading of automated production lines in the mattress and home textile sector, the HC-DSH double-head overlocking machine from Hengchang Machinery is specially engineered for mattress border serging. Replacing conventional manual overlocking, it helps mattress manufacturers cut labor costs and improve overall productivity of the edge processing line.



1. Highlights at a glance
· Servo Synchronized Double-head Sewing: Controlled by direct-drive servo system, two sewing heads run synchronously for uniform stitching. Dual-line processing nearly doubles production efficiency compared with single-head machines;
·  Auto Material-saving Winding System: Equipped with adjustable fabric tension spreader and auto rewind rack. Trims excess selvage automatically after overlocking to eliminate manual trimming and reduce material loss;
·  Multiple Intelligent Safety Protection: Built-in sensors stop the machine automatically upon thread breakage or material shortage to avoid idle running and defective products. Standard dust blower removes lint during operation;
·  Adjustable Working Width: Sewing width ranges from 90mm to 450mm; overlock width adjustable between 5mm–7mm, compatible with mattress borders in various thicknesses and widths.


2. About this supplier

Sewing Machine	15-30m/min
Sewing Thickness	≤20mm
Sewing Width	90-450mm
Serging Width	5-7mm
Presser Lift	8mm
Air Pressure	0.5-0.8Mpa
Voltage	220V 50HZ
Weight	550kg

 

3. Product Application & Selection Recommendation

As special pre-processing equipment for mattress edge production lines, the HC-DSH double-head overlocking machine can be seamlessly connected to existing assembly lines. It replaces traditional manual overlocking to effectively cut labor expenses and fabric leftover waste.

Selection Tips: It fits small & medium-sized mattress factories as well as large-scale mass-production assembly lines, and non-standard customization is available according to clients' requirements.

Purchase Service: All machines come with original manufacturer's warranty. Spare parts and on-site technical support are provided long-term.