
Maintenance and Long - Term Reliability of Injection Stretch Blow Molding Machineâ € <
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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.
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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.
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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.
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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.
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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.
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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.
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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.

Injektionsdel |
Skruediameter |
40mm |
Skrue L / D-forhold |
20.5:1 |
Skruehastighed |
0-190RPM |
Teoretisk injektionskapacitet |
238cm3 |
Injektionstryk |
174Mpa |
Maks. Hydraulisk tryk |
|
Den faktiske injektionsmængde (PS): |
|
Skrueslag: |
|
Klemdel |
Blæsespændekraft: |
800 |
Clamp Tonnage: |
400Kn |
Hjuldiameter: |
800mm |
Maks. Højde på flaske: |
ISB: 145 / en: 140 |
Åben lodret tilstandstur: |
430mm |
Andre |
Maks. Pumpetryk: |
16Mpa |
Motorolie: |
18.5 kW |
Elektrisk strøm: |
12.2 kW |
Olietank: |
400L |
Samlet dimension (L*B*H): |
3.8 m * 1.45 m * 3.0 m |
Vægt: |
5000kg |



ISB800 |
PC, PS, PMMA lampe dæksel, LED lys lampeskærm, jule flash lys, have og gade lys. |
PET høj gennemsigtig flaske (tyndere væg), kosmetisk flaske 10ml til 500ml, PET bred hals krukke, PET farmaceutisk flaske. |
PP høj gennemsigtig flaske, sutteflaske, sportsflaske |
PCTG, Tritan drikkevandsflaske, sportsflaske |
Enkelttrin VS To-trin Enkelttrin og to-trin
støbning |
Proces |
Struktur |
Mandskab/Energi/Rum |
Produktkvalitet |
Dawson One-step Injection Stretch Blow Molding Machine |
Fra præform til produkt i én maskine |
Én maskine |
Lidt |
Ikke påvirket af fugt og mindre forurening; Forskellige former for form |
Anden maskine |
Sprøjtestøbning og blæsestøbning er to adskilte processer |
1. Sprøjtestøbemaskine 2. Præform transit maskine 3. Genopvarmnings-, stræk- og afstøbningsmaskine |
Mere |
Let påvirkning af fugt og forurenet; Singleness form |




1. Hjulets rotation drives af elektrisk servomotor, ikke hydraulisk.
2. Fuldautomatisk kontrolsystem, nem betjening.
3. Temperaturen på materialetønde og varmløber styres nøjagtigt af PIT.
4. Der spares flere omkostninger end traditionel maskine.
5. Kompakt struktur; mindre pladsbehov.
6. Indsprøjtning: Varmløber og temperaturkontrolenhed er standardkonfiguration.
Skift kun form for at lave et nyt produkt;
Strækslag: Hydraulisk formspænding, kerneindsats, strækblæse og bundstøbning er standardkonfiguration;
Produktudgivelse: Udstyret med en standard ejektor.
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