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Plastic Bus Car Seat Board Extrusion Blow Molding Machine
The plastic bus car seat board extrusion blow molding machine is a blow molding equipment specially used to produce bus chairs. This type of equipment usually uses blow molding technology during the manufacturing process to form the specific shape of the chair by extruding and expanding the thermoplastic so that it comes into contact with the mold surface.
Features and Advantages of Bus Car Seat Board Extrusion Blow Molding Machine
- Accumulator type die head, made of high-quality materials such as 38CrMoAIA, 42CrMov, 35CrMo, etc., heat treated and processed to have a longer service life.
- Equipped with a die moving frame that can be adjusted up, down, forward and backward.
- It adopts pneumatic, hydraulic and electrical control original components from famous manufacturers and has a long service life.
- The hydraulic system adopts proportional technology, which saves power, moves quickly, and allows easy parameter adjustment.
- The double proportional valve controls the flow rate and pressure of the oil line, the reversing valve controls the flow direction, and the deceleration valve brakes, making the action smooth and fast.
- Automatic lubrication system reduces equipment maintenance workload.
- All functions are complete and the operation is simple.
Bus Car Seat Boar Extrusion Blow Molding Machine Parameters
| Model No | Unit | MW-60L | MW-80L | MW-S120L | MW-S160L | MW-S260L |
| Max.Product Volume | L | 55 | 80 | 120 | 160 | 250 |
| Dry Cycle | pc/h | 450 | 360 | 360 | 300 | 300 |
| Screw Diameter | mm | 90 | 100 | 100 | 120 | 120 |
| Screw L/D Ration | L/D | 25-28 | 25-28 | 25-28 | 25-28 | 28-32 |
| Screw Motor Power | Kw | 37-45 | 45-55 | 45-75 | 75-90 | 90-132 |
| Screw Heating Capacity | Kw | 7.3-9.1 | 8.4-10.5 | 8.4-10.5 | 12.1-14 | 22 |
| No.of Heating Zone | Zone | 4 | 5 | 4-5 | 6 | 6 |
| Output of HDPE | Kg/hr | 120-150 | 180-220 | 180-230 | 250-300 | 320-380 |
| Oil Pump Driver Power | Kw | 37 | 45 | 37 | 37 | 45 |
| Clamping Force | KN | 260 | 300 | 440-650 | 740-850 | 900 |
| Mold Stroke | mm | 450-1000 | 500-1200 | 500-1400 | 600-1500 | 720-1800 |
| Size of Mold(W*H) | mm | 760×900 | 800×1000 | 900×1200 | 900×1400 | 1300×1600 |
| Moving Distance | mm | 350 | 420 | 420 | 510 | 600 |
| Max.Die Diameter | mm | 7.5 | 9.2 | 10.8 | 12 | 15 |
| Die Heat Capacity | Kw | 6.6 | 12.8 | 12.8 | 18 | 22 |
| Blowing Pressure | Mpa | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| Air Volume | Min | 1.0 | 1.2 | 1.6 | 2.0 | 3.0 |
| Cooling Water Pressure | Mpa | 0.4 | 0.5 | 0.3 | 0.3 | 0.3 |
| Water Consumption | L/min | 85 | 100 | 150 | 180 | 250 |
| Weight of Machine | Ton | 14.5 | 16 | 17 | 22 | 35 |
| Size of Machine | ml(LxWxH) | 5.2×2.2×4 | 5.4×2.2×4.5 | 5.6×2.2×4.5 | 5.8×2.6×4.4 | 7.8×2.9×5.4 |
Hydraulic System
The hydraulic system of Maiwei blow molding machine adopts proportional technology and optimizes the hydraulic oil circuit design. It has the characteristics of power saving, fast action and convenient parameter adjustment.
- Advanced electronic and sensor technology enables precise control of pressure, speed, and position parameters.
- The structure is simple, and maintenance and upkeep are relatively easy.
- The components are all from internationally renowned brands.
Control System
- Siemens human-machine operation interface, simple operation and high degree of automation.
- Intelligent regulation of energy usage to optimize energy consumption.
- Collect and record various data in the production process in real time, and through data analysis, help production managers optimize the production process, improve production efficiency, and perform fault diagnosis and prediction.
Electrical System
- The electrical system includes a series of electrical components, sensors, actuators, controllers, etc., used to realize automation and precise control of the entire blow molding process.
- Maiwei stretch blow molding machines use imported electrical components such as Siemens and Schneider, which have a long service life.
- Professional industrial fans are embedded in the electrical cabinet to ensure stable operation of electrical equipment in a variety of environments.
Extrusion System
The extrusion system of the extrusion blow molding machine consists of a screw extruder, heating system, die head, pressure control system, cooling system, drive system, and automation control system.
The inside of the die head is finely processed using a machining center imported from Japan, and the die head can move forward and backward.
The storage tank type die head is made of high-quality materials and has a longer service life.
Application Range Of Plastic Bus Car Seat Board Extrusion Blow Molding Machine
Plastic bus car seat board extrusion blow molding machine has important applications in the traffic and transportation industry. The following are the main applications of this equipment in bus chair manufacturing:
Mass Production: Bus chairs often require mass production to meet the needs of bus manufacturers and operators. Extrusion blow molding machines can efficiently produce large quantities of chairs and improve production efficiency.
Customized Design: The extrusion blow molding machine can manufacture chairs of various shapes, colors and sizes according to different design requirements of bus chairs. This allows bus manufacturers to customize designs based on customer needs.
Lightweight Design:Extrusion blow molding technology helps create lightweight but strong chairs, thereby reducing the overall vehicle load and improving fuel efficiency and vehicle performance.
Integrated Molding: The extrusion blow molding machine can achieve integrated molding, which avoids the assembly process of multiple parts required in traditional production and improves the overall structural strength and stability of the product.
Cost-effectiveness: Blow molding technology can manufacture a complete chair in one molding, reducing production costs and labor costs.
Efficient production line integration: The plastic bus car seat board extrusion blow molding machine can be integrated into the entire bus production line to achieve efficient continuous production and improve the overall efficiency of the production line.
Material Selection: Extrusion blow molding machines can accommodate many types of thermoplastics, allowing manufacturers to select the best material for the chair design requirements.
Product Consistency: The extrusion blow molding machine can ensure product consistency in mass production, ensuring that the quality and appearance of each chair are basically the same.









