The working process of high-speed blow molding machine products
Release time:
2022-11-30
The blow molding process of high-speed blow molding machine products includes: stretching - first blow - second blow, the time of these three actions is very short, but need to be coordinated, especially the first two steps determine the overall distribution of the material, the quality of blow molding. Therefore, it is necessary to adjust: stretching start time, stretching speed, pre-blowing start and end time, pre-blowing pressure, pre-blowing flow rate and so on. If possible, it is to control the overall temperature distribution of the preform. The temperature gradient between the inner and outer walls of the blank. During rapid blow molding and cooling, induced stresses occur in the bottle wall. For aerated beverage bottles it resists the internal pressure, which is beneficial, but for hot-filled bottles it guarantees a complete release above the glass transition temperature.
How many chillers do I need to blow bottles in a carbonated beverage blow molding machine?
The chiller for carbonated beverage bottles is about 5 times larger than the chiller for water bottles. Taking 1,200 bottles/horse as an example, this can be calculated by a simpler algorithm: 36,000 bottles/hour can be equipped with a 30-horse water chiller. In order to ensure the required stress on the bottom of the carbonated bottle, the cooling time is typically 1.2 seconds and the temperature of the bottom mold is 11 degrees. The number of light zones equipped with the heating furnace can refer to the configuration of the hot filling machine, and the effective heating time of the bottle blank should not be less than 33 seconds.
Our company specializes in the production of high-speed blow molding machine products, if you need, please contact us.
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