Hongwen Vehicle Industry focuses on the production and sales of automotive parts, providing high-quality products to ensure the safety of every car owner, and winning the favor of many new and old customers with personalized services. We will face new challenges and achieve new leaps with a renewed outlook, stronger strength, more complete institutionalized management, and more resolute steps.
Are you planning to purchase a fan circle for your car? Click on the relevant suggestions below to browse our Wind Circle products. We are committed to providing you with high-quality and customizable wind coil products.
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The car wind coil plays a role in appropriately closing some of the intake ports during engine cold start, increasing the gasoline concentration of the mixture entering the cylinder, and improving the engine's starting performance. After the engine is running normally, the choke should be fully opened, otherwise it may cause the engine to not run normally and cause excessive fuel consumption due to the rich mixture.
Manual Portable Tube Expansion Machine
This portable tube expansion machine is designed for manual operation and is widely used in the manufacturing of heat exchangers. It consists of an expansion head, mouth expander, hydraulic station, electrical control box, gantry stand, and a balancer. The unit is also equipped with four high-pressure hoses and two control cables, ensuring smooth and efficient operation.
The machine is capable of manually expanding both the tube mouth and internal tubing, making it ideal for small to medium-scale production environments. It offers flexibility and precision, allowing operators to adjust according to specific requirements.
**Key Specifications:**
| **Type** | **Portable Type** |
|------------------------|---------------------------|
| **Heat Exchanger Specification** | |
| Usual copper tube outer diameter (mm) | 7 / 7.94 / 9.52 / 16 |
| Normal fin thickness (mm) | 12.7 / 19.05 / 21.65 / 22, 32.91 |
| Length (mm) | ~7000 |
| Tube row quantity | 1–8 |
| Max hole quantity per row | Decided by product design |
| Expansion speed (m/min) | ~12.5 |
| Oil pump motor power (kW) | 2.2 |
| Hydraulic oil | ISOVG32 (winter) / ISOVG46 (summer) |
| Lubrication oil | Mechanical oil ISOVG22–32 |
This machine is particularly suitable for applications where portability and ease of use are essential. Its compact design allows for easy transportation and setup, while its robust construction ensures long-lasting performance. The hydraulic system provides consistent pressure, which is crucial for achieving accurate and uniform tube expansion.
The machine is manufactured by SMAC, a trusted brand known for its quality and reliability in industrial equipment. The product comes from Jiangsu, China, and is packaged in a wooden case for safe shipping.
Whether you're working on a small project or a large-scale production line, this manual portable tube expansion machine offers a practical and cost-effective solution for your needs. With proper maintenance, it can deliver reliable performance for years to come.