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Extrusion blow molding machines are specialized industrial equipment used to manufacture hollow plastic parts through a process that involves extruding a tube of molten plastic, which is then inflated into a mold. These machines are typically constructed from robust materials like steel and aluminum to withstand high temperatures and pressures during operation. The process is efficient for producing items such as bottles, containers, and other hollow shapes in various sizes and designs.
| Machine type | Fully automatic or semi-automatic |
| Mold material | Aluminum or steel |
| Production capacity | 100 to 1,000 units per hour |
| Maximum mold size | Up to 20 liters |
| Control system | PLC or touchscreen interface |
| Power supply | 380V to 480V, 3-phase |
| Heating method | Electrical or gas |
When choosing an extrusion blow molding machine, consider the production capacity needed for your specific application and the types of materials you will be using. It's important to specify the maximum mold size required, as well as any specific features such as automation level and control systems. Additionally, inquire about the machine's energy efficiency and maintenance requirements. Certifications such as ISO may also be relevant depending on your industry standards.
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Common materials include polyethylene, polypropylene, and PVC.
Cycle times can range from 30 seconds to several minutes depending on the part size and complexity.
Yes, extrusion blow molding machines can produce a variety of custom shapes based on the mold design.
Regular maintenance includes checking hydraulic systems, replacing worn parts, and ensuring proper lubrication.
Most machines come with safety interlocks, emergency stop buttons, and protective guards.
Consider the volume of production and the size of the products to be molded when selecting machine size.
With proper maintenance, these machines can last 10 to 20 years.