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| This integrated production line combines CNC cutting, lockstitch sewing, hot air welding and PTFE taping in one continuous system. It produces up to 600 six-meter filter bags per 8-hour shift, handles materials from 300-1200g/m², and features ±2°C temperature control and real-time vision inspection for consistent high-quality seams. | |||||||||
The SY-700-X integrates sewing and hot air welding functions into a single continuous production line, building on the capabilities of traditional sewing lines. It allows one-click switching between production processes via the control panel, eliminating the need for separate equipment for different filter bag types. This design addresses the pain points of process fragmentation and long changeover times in conventional filter bag manufacturing, supporting both standard and custom production requirements for commercial users.
The line combines four core processes in sequence: CNC fabric cutting with ±0.5mm accuracy, lockstitch sewing with thread tension control, temperature-controlled hot welding, and PTFE taping for seam reinforcement (20-50mm width tape). This integration reduces material handling between stations and improves production continuity.
It produces up to 600 pieces of 6-meter polyester filter bags in 8 hours (125 bags/hour). For 2-meter standard bags, capacity increases to 300 bags/hour. The adjustable speed range (3-12 m/min) accommodates different materials: 3-5 m/min for delicate aramid fabrics and 8-10 m/min for standard polyester.
Hot welding temperature is regulated digitally with ±2°C accuracy using an Omron E5CC controller, which is critical for PTFE and high-temperature materials where 5°C variation can cause weak welds. Keyence IV2 vision sensors inspect seams in real time for defects such as skipped stitches and uneven tape application.
The line handles filter media with thicknesses from 300-1200g/m², including polyester felt (300-800g/m²), PTFE felt (600-1200g/m²), aramid felt (500-900g/m²), and glass fiber (800-1200g/m²). Quick-change tooling enables material switching in 15 minutes.
Parameter | Details |
Power Requirements | 4 kW, 3-phase AC 380V, 50-60 Hz, with 10 kV surge protection |
Air Supply | 4-5 kg/cm² compressed air, 100 L/min flow rate |
Dimensions | 16000 × 800 × 1800 mm (L×W×H) |
Control System | PLC-based, 15-inch Weinview MT8150iE touchscreen, Ethernet/4G remote monitoring |
Cutting Accuracy | ±0.5mm |
Welding Temperature Range | 280-320°C (for PTFE) |
Welding Temperature Accuracy | ±2°C |
Speed Range | 3-12 m/min |
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Automatic feeding | Automatic sewing | Automatic hot air welding | Storage | Automatic fixed length cutting | Main control |
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Automatic sewing | Automatic hot air welding | Gluing function | Hot sealing tape function |
The line consists of six main stations: automatic feeding, automatic sewing, automatic hot air welding, storage, automatic fixed-length cutting, and main control. Optional functions include automatic tape hot sealing. Key operational features include feeding detection, material backing and returning, needle lift feeding, break stop, computer-adjustable needle gauge, machine needle cooling, and multifunctional adjustable edge device.
The line serves filter bag manufacturers across multiple industrial applications:
Industrial Filtration Production: Manufactures standard and custom filter bags for dust collection systems in woodworking, metal fabrication, and food processing. A Chinese manufacturer increased polyester bag output from 5,000 to 15,000 pieces per week after installation.
Specialty Filter Manufacturing: Produces PTFE and aramid filter bags for power plants and chemical plants, with weld strength meeting ISO 10881-1 standards.
High-Volume Production Facilities: Enables mass production with reduced labor requirements. One operator can run the line, compared to 3-4 operators for manual sewing lines, cutting labor costs by 60-70%.
Custom Filter Shops: Supports small-batch production with recipe storage for over 50 production configurations.
Material switching takes approximately 15 minutes using the quick-change tooling system.
The line has a rated power of 4 kW under normal operating conditions.
Yes, it includes Ethernet and 4G connectivity, allowing operators to adjust parameters, view production data, and perform basic troubleshooting remotely.
