Key Molding Equipment In The Blow Blow Process
2024-09-20
Blow & Blow process:
This process is widely used in I.S. machines to produce small mouth bottles. The glass is first blown into shape in the primary mold and then blown again in the forming mold to make the final bottle.
1.Blank Mold:
The initial molding of the glass material is done by steady blowing and counterblowing to ensure that the glass wall thickness of the finished container is evenly distributed.
2.Funnel:
Guides the glass into the preliminary mold and provides space for the introduction of steady blowing air.
3.Baffle:
On the one hand, it introduces the steady blowing air through the internal channel, and on the other hand, it forms a closed cavity with the preliminary mold, which facilitates the molding of the preforms.
4.Neck-Ring:
Consisting of two neck-rings and a guide ring, the neck-ring is responsible for forming the final shape of the neck of the bottle and for holding the preform in place when it is transferred from the primary mold to the forming mold.
5.Thimble:
Guides the punch into the neck ring and provides a seal for the blowback.
6.Plunger:
Responsible for molding the inside surface of the neck and providing blowback during the preform molding process.
7.Blow Mold:
Forms the shape of the final finished container.
8.Base Mold:
Used in conjunction with the mold to form the bottom of the bottle.
9.Blowhead:
Located at the top of the mold, the blowhead introduces the final blast of air to blow the preform into the shape of the mold.
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