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Bead Expansion: EPS block molding machines typically start with the process of bead expansion. The pre-expanded EPS beads, which are soft and pliable, are fed into the machine.
Pre-Expanding Chamber: The pre-expanded beads are transferred to a pre-expanding chamber within the machine. In this chamber, the beads are exposed to steam and heat, causing them to expand further. The steam softens the polystyrene and vaporizes the pentane gas inside the beads, creating a cellular structure within the material.
Block Molding: Once the beads have been expanded, they are transferred to the block molding section of the machine. The expanded beads are placed into a mold or tooling that defines the shape and size of the EPS foam blocks. The mold consists of multiple sections that can be opened and closed.
Closing and Pressing: When the expanded beads are in the mold, the sections of the mold are closed, and pressure is applied to compress the beads. This compression allows the beads to fuse together, forming a solid and uniform structure.
Cooling: After the pressing stage, the mold is cooled to solidify the EPS foam and shape it into a block. Cooling is typically achieved through the circulation of chilled water or other cooling methods. Proper cooling ensures that the foam retains its shape and stability.
Mold Opening and Block Ejection: Once the EPS foam block has cooled and solidified, the mold is opened, and the finished block is ejected from the machine. The mold sections may have ejector pins or other mechanisms to facilitate the removal of the molded block.
Main features :
Mechanical Structure:
a.the machine mold is welded onto strong rectangular tubes and steel plates which ensure high srength for the additonal safety of the machine..
b.after heat treatment all mold frames are processed through sand-blasting greatly improve corrosion performance and service life of the equipment
c.Adopts three German gauge and safety valve for multi-safety protection.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2010
Total Annual:
5000000-10000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
NINGBO PINSHENG MACHINERY CO.,LTD.specializes in manufacturing EPS,EPP,ETPU machine and EPS Mould for nearly 10 years with integrating independent R&D,production, sales and service.Our Factory is located in Hangzhou, the fast developing district in China, and close to important ports such as Sha... NINGBO PINSHENG MACHINERY CO.,LTD.specializes in manufacturing EPS,EPP,ETPU machine and EPS Mould for nearly 10 years with integrating independent R&D,production, sales and service.Our Factory is located in Hangzhou, the fast developing district in China, and close to important ports such as Sha...
