Custom Plastic Shell Blow Molding Parts

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Payment Type:	L/C,T/T
Incoterm:	FOB,CIP
Transportation:	Ocean
Port:	Dalian

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Product Description

Product Attributes

Packaging & Delivery

Product Description

Product Attributes

Brand: Jinggong

Place Of Origin: China

Processing Service: Moulding

Packaging & Delivery

Selling Units	:	Piece/Pieces
Package Type	:	Carton or pallet
Picture Example	:

Product Description

Technical Blow Molding is a specialized process in the plastic manufacturing industry, specifically used for creating hollow, three-dimensional Plastic Parts. It involves the use of a mold and an injection or extrusion machine to form a thermoplastic material into a pre-designed shape by applying pressure and heat.

Here's a step-by-step explanation of the Technical Blow Molding Process:

1. Preparation of Molds: A male and female mold are designed to create the desired part shape. The male mold has an opening that will eventually form the inside of the part, while the female mold has a matching shape with a thicker wall for support.

2. Material Preparation: The thermoplastic material, usually in granular or pellet form, is melted and heated to its processing temperature in an extruder or Injection Molding machine.

3. Injection or Extrusion: The molten plastic is forced through a die, which matches the shape of the male mold's opening. This forms a thin, tubular "parison" called a parison.

4. Blow Cycle: The parison is transferred to the female mold, where a bladder or inflation mechanism applies pressure to the inside of the parison. As the pressure builds, the parison expands and fills the mold cavity.

5. Cooling and Curing: Once the parison has been blown to its full size, the molds are cooled to solidify the plastic. The female mold may be vented to allow gases trapped within the plastic to escape. The part then hardens and adheres to the mold's inner surface.

6. Demolding: After the cooling period, the part is carefully removed from the mold, separating the male and female halves.

7. Quality Control and Finishing: Any excess plastic or burrs are trimmed, and the part is inspected for defects before it's ready for use or further processing.

Technical blow molding is commonly used for producing items such as bottles, containers, tanks, and various other hollow parts with precise dimensions and consistent quality. It offers advantages like cost-effectiveness, lightweight parts, and the ability to manufacture complex shapes that might be difficult or impossible to achieve with alternative methods.