The Working Principle of Injection Stretch Blow Molding Machine
The Injection Stretch Blow Molding Machine (ISBM) is a highly sophisticated piece of equipment in the plastic manufacturing industry. Its operation is based on a sequential process that combines injection molding, stretching, and blow molding techniques to produce high - quality plastic containers.
At the beginning of the process, plastic resin pellets are fed into the machine's hopper. These pellets are then conveyed into the barrel of the injection unit. Inside the barrel, the plastic is heated to its melting point through a combination of electrical heating elements and mechanical shear forces. Once in a molten state, the plastic is injected under high pressure into a preform mold. The preform mold is designed to create a hollow, tube - like shape with a neck and a closed bottom, which serves as the starting point for the final container.
After the preform is formed, it is transferred to the heating station. Here, the preform is carefully heated to a specific temperature range. This heating process is crucial as it makes the plastic more malleable and ready for the stretching and blowing stages. The heating station often uses infrared heaters or mica heat rings to ensure even and precise heating of the preform.
Once the preform reaches the appropriate temperature, it is transferred to the blow mold. At this stage, a stretching rod is inserted into the preform through the neck. As the stretching rod moves downward, it stretches the preform longitudinally. Simultaneously, high - pressure air is introduced into the preform through the neck. The combination of the stretching action and the air pressure causes the preform to expand and take the shape of the blow mold. This results in a thin - walled, fully formed plastic container with excellent dimensional accuracy and wall thickness distribution.
Finally, the molded container is cooled within the blow mold to set its shape. Once cooled, the container is ejected from the mold, and the cycle repeats. The entire process is highly automated, allowing for high - volume production with consistent quality.
This working principle of the Injection Stretch Blow Molding Machine enables manufacturers to produce a wide variety of plastic containers, from small vials for pharmaceuticals to large bottles for beverages. The precision and control offered by this process result in products that are not only aesthetically pleasing but also highly functional, meeting the strict requirements of various industries.
| 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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