Filter Bag Top and Bottom Sewing Machine
ES-4331 sewing machine uses compound feed system to prevent material slippery. Upper and lower axis is driven by synchronous gear belt. Needle distance is adjustable by setting the knob. There is a safety device to protect the machine in case of overload.
It is widely used to sew tent, parachute, hot air balloon, sofas and so on. Especially suitable for filter bags and cylindrical product.
This machine uses electric positioning motor. It makes the needle always above or below the cloth during sewing stops, which is more convient for sewing.
| Max Speed | 1800R.P.M |
| Max Stitch Length | 6mm |
| Presser Foot Lift | Manual 7mm, Knee 10mm |
| Needle Gauge | 6.4mm |
| Needle Bar Storke | 33.6mm |
| Rotary Hook | Large Vertical Hook |
| Work Space | 240mm*100mm |
| Motor Power | 550W |
| Thread Take-up Lever Stroke | 60mm |
