The automotive seat belt pretensioner tube production line is a modular automated system designed for automotive component manufacturing. It can integrate cutting, end forming, piercing, slotting, inspection and assembly processes for pretensioner tubes. The line can be configured according to product design and process requirements to improve productivity, process consistency and quality traceability.
| No | Item | Value |
| 1 | Product | Automotive seat belt Pretensioner tube production line |
| 2 | Application | Seat belt Pretensioner tubes and related tubular components |
| 3 | Line type | Automatic modular line; semi‑automatic configuration available according to cycle‑time target |
| 4 | Tube OD range | Φ8–Φ30 mm - suggested target; to be verified against drawings |
| 5 | Tube wall thickness | 0.8–2.0 mm - suggested target; to be verified by material selection |
| 6 | Tube length range | 80–350 mm - suggested target; to be verified by product family |
| 7 | Process modules | Cutting ±0.10 mm, end forming, piercing/slotting, deburring, cleaning, inspection, marking and assembly |
| 8 | End‑forming dimensional accuracy | ±0.05 mm - suggested target; critical dimensions defined by drawing |
| 9 | Hole and slot position accuracy | ±0.10 mm - suggested target; datum defined by customer drawing |
| 10 | Forming angle accuracy | ±0.20° - suggested target for features with angular requirements |
| 11 | Critical‑dimension repeatability | ±0.03 mm - suggested target; subject to GR&R/capability validation |
| 12 | Vision inspection resolution | ≤0.10 mm/pixel - suggested target; dependent on camera and field of view |
| 13 | Leak or functional test | Configured according to customer test specification; pressure, hold time and limits not preset |
| 14 | Traceability system | Barcode/QR code links product, station, time and inspection results; data retention ≥12 months - suggested target |
| 15 | Cycle time | ≤12 sec/pc - suggested target; to be confirmed for station or complete‑line configuration |
| 16 | Reference capacity | ≥300 pcs/h - to be reviewed based on cycle time and machine utilization |
| 17 | Automatic loading and unloading | Automatic loading/unloading; changeover time ≤15 min - suggested target |
| 18 | Power supply | AC 380 V, 50 Hz, three‑phase; approx. 25–40 kW connected load - reference |
| 19 | Compressed air | 0.5–0.7 MPa; flow rate calculated according to actuators and inspection modules |
| 20 | Safety protection | Safety guarding, access control, emergency stops, interlocks, alarms and safety circuits; confirmed by risk assessment |
Bao Rui presents the Automotive Seat Belt Pretensioner Tube Production Line, a fully integrated manufacturing solution engineered to meet the rigorous demands of modern automotive safety systems. Designed for high-throughput operations and precision assembly, this production line addresses the growing market need for reliable, repeatable, and scalable seat belt Pretensioner tube production. With Zhangjiagang Baorui Machinery Co., Ltd.’s proven expertise in automated tube processing and custom engineering, the Automotive Seat Belt Pretensioner Tube Production Line sets a new benchmark for producing critical automotive safety components.
Applications and Use Cases
Designed specifically for the production of automotive safety components, the production line excels in manufacturing seat belt Pretensioner tubes for passenger vehicles, commercial vehicles, and specialty vehicles. Typical applications include:
Cutting, end forming, piercing, slotting, cleaning, inspection and assembly stations can be combined according to product requirements, making the line suitable for different product variants.
Multiple processing operations can be connected into one production flow, reducing manual transfer and repeated positioning while improving process continuity and stability.
End forming, piercing, slotting and deburring processes can be configured according to product drawings to meet the structural requirements of pretensioner tubes.
Dimensional inspection, vision inspection, functional testing and result judgment can be configured to identify processing defects and isolate nonconforming parts.
Automatic loading and unloading can be integrated to reduce manual handling and repetitive operations while improving productivity and product consistency.
The combination of processing, inspection and data recording helps control critical dimensions and process quality, making the line suitable for batch production of automotive seat belt pretensioner tubes and related components.
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