Stretching INJECTION BLOW

These machines are usually used for the manufacture of PET bottles DNG material, where the process of formation of products through the 3 stages of injection, stretching and blowing but DNG certain type of screw can be used also for other materials such as Polypropilene (PP) dng a particular grade.

PET bottle-making process itself usually there are 2 ways

1.SINGLE (ONE) STAGE

-All the process of making preform until it becomes the bottle in one machine

2.DOUBLE (TWO) STAGE

-The process of making DNG preform injection machine and then a new engine in DNG stretching BLOW Blow Molding (separate)

COMPONENTS AND FUNCTIONS OF MOLD ISB

1.INJECTION cavity preform

-To make the outside of the preform shape

2.CORE ROD

-To make the inside of the preform

3.LIP cavity

-To make the mouth of the bottle preform

4.NECK RING

-For the manufacture of the preform neck

5.BLOW SHELL

-To create the desired product form

6.HEATING POT (POT CONDITIONING)

-For conditioning the preform temperature before curl

7.STRECHING ROD

-To encourage the concurrent preform blow dng in the process of formation of the desired product.

8.STRIPPER PLATE

-To drop a product that has been established

PART 9.BOTTOM

-To form the bottom part of the bottle

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