Maintenance and Long - Term Reliability of Injection Stretch Blow Molding Machine
The Injection Stretch Blow Molding Machine (ISBM) is a complex and high - value asset in plastic manufacturing facilities. To ensure its long - term reliability and optimal performance, a comprehensive maintenance strategy is essential.
Regular inspection of the machine's mechanical components is the first line of defense. The moving parts such as the stretching rod, injection pistons, and mold - opening/closing mechanisms are prone to wear and tear due to continuous operation. Lubrication points should be identified and regularly serviced to reduce friction and prevent premature failure. For example, the bearings that support the stretching rod's movement need to be lubricated with high - quality grease at specified intervals. Any signs of misalignment or abnormal noise in these mechanical components should be addressed immediately. If a stretching rod is misaligned, it can lead to uneven stretching of the preform, resulting in defective products.
The heating and cooling systems also require close attention. The heating elements in the barrel, hot runner, and heating station can degrade over time. Infrared heaters or mica heat rings may develop hot spots or burn out completely. Regular checks of the resistance of these heating elements can help detect potential failures in advance. Temperature sensors, which play a crucial role in maintaining precise temperature control, should be calibrated periodically. A malfunctioning temperature sensor can cause incorrect heating or cooling, leading to inconsistent product quality.
The cooling system, which is responsible for setting the shape of the molded containers, needs to be maintained to ensure efficient heat dissipation. The cooling channels in the molds should be flushed regularly to remove any build - up of scale or debris. This build - up can impede the flow of coolant, reducing the cooling efficiency and potentially causing the containers to cool unevenly, resulting in warped products.
The air - compression system, which provides the high - pressure air for blow - molding, is another critical area for maintenance. Compressors should be regularly serviced, and air filters need to be replaced to ensure clean and dry air supply. Moisture in the compressed air can cause corrosion in the blow - molding system and affect the quality of the products. Pressure regulators should also be calibrated to ensure that the correct air pressure is applied during the blow - molding process.
In addition to routine maintenance, predictive maintenance techniques can be employed. By using sensors to monitor parameters such as vibration, temperature, and energy consumption, potential issues can be predicted before they cause a breakdown. For example, an increase in vibration levels of the injection unit may indicate a problem with the motor or gears. Analyzing historical data from these sensors can help in creating a maintenance schedule that is based on the actual condition of the machine, rather than just on a fixed - interval basis.
Overall, proper maintenance of the Injection Stretch Blow Molding Machine is not only about keeping the machine running but also about ensuring consistent high - quality production. By investing in a comprehensive maintenance program, manufacturers can extend the lifespan of the machine, reduce downtime, and ultimately improve their bottom line.
| Bahagi ng Iniksyon |
| Screw Diameter |
40mm |
| Screw L / D Ratio |
20.5:1 |
| Screw Speed |
0-190RPM |
| Theoretical Injection Capacity |
238cm3 |
| Presyon ng Pag-iniksiyon |
174Mpa |
| Max. Hydraulic Pressure |
|
| Ang Aktwal na Dami ng Iniksyon (PS): |
|
| Screw Stroke: |
|
| Bahagi ng Clamping |
| Puwersa ng Pag-clap ng suntok: |
800 |
| Clamp Tonnage: |
400Kn |
| Wheel Diameter: |
800mm |
| Max. Taas ng Bote: |
ISB: 145 / isa: 140 |
| Buksan ang Vertical Mode Trip: |
430mm |
| mga iba |
| Max. Presyon ng bomba: |
16Mpa |
| Langis ng Motor: |
18.5 Kw |
| Kuryente: |
12.2 Kw |
| Tangke ng langis: |
400L |
| Pangkalahatang Dimensyon(L*W*H): |
3.8M * 1.45M * 3.0m |
| Timbang: |
5000kg |
| ISB800 |
PC, PS, PMMA lamp cover, LED light lampshade, Christmas flash light, garden at street light. |
| PET na may mataas na transparent na bote (mas manipis na pader), cosmetic bottle na 10ml hanggang 500ml, PET wide neck jar, PET pharmaceutical bottle. |
| PP mataas na transparent na bote, bote ng pagpapakain ng sanggol, bote ng isport |
| PCTG, Tritan drinking water bottle, sport bottle |
Single step VS Two-step Single step at two-step
| Moulding |
paraan |
kaayusan |
Manpower/Enerhiya/Espasyo |
Kalidad ng Produkto |
| Dawson One-step Injection Stretch Blow Molding Machine |
Mula sa preform hanggang sa produkto sa isang makina |
Isang makina |
maliit |
Hindi apektado ng mamasa-masa at mas kaunting polusyon; Iba't ibang uri ng hugis |
| Iba pang makina |
Ang pag-injection at blow molding ay dalawang magkahiwalay na proseso |
1. Injection molding machine
2. Preform transiting machine
3. Muling pag-init, kahabaan at off-moulding machine |
pa |
Madaling maapektuhan ng mamasa-masa at polluted; Hugis ng pagiging single |
1. Ang pag-ikot ng gulong ay hinihimok ng de-koryenteng servo motor, hindi haydroliko.
2. Buong awtomatikong sistema ng pagkontrol, madaling pagpapatakbo.
3. Ang temperatura ng materyal na bariles at mainit na runner ay tumpak na kinokontrol ng PIT.
4. Mas maraming gastos ang matitipid kaysa sa tradisyunal na makina.
5. Compact na istraktura; mas kaunting espasyo ang kailangan.
6. Iniksyon: Ang hot runner at temperature control device ay karaniwang configuration.
Baguhin lamang ang amag para sa paggawa ng bagong produkto;
Stretch blow: Hydraulic mold clamping, core insert, stretch blow at bottom molding ay karaniwang configuration;
Paglabas ng Produkto: Nilagyan ng karaniwang ejector.
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