Plastic injection mold for automotive part, injection molding

Plastic injection mold for automotive part, injection molding

Service Details:

  • Brand:Kayou
  • Serial Number: M-0021
  • Country of Origin:Shenzhen, China
  • Certificate:ISO9001

Payment & Shipping Terms:

  • Price Quote:Negotiable
  • Minimum Order: 1
  • Average Delivery Time:25days
  • Payment Method:T/T
  • Package Details:Wooden Case
  • Ability to Supply:5 Set/per month
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Plastic Injection Mold for Automotive Part, Injection Molding

Description

Injection Molding Overview
The mold used in the injection molding production is called an injection molding mold, and is simply referred to as an injection mold, which is also called an injection mold. Injection molds are mainly used for the molding of thermoplastics. In recent years, they have also been used to process some thermosetting plastics and plastic parts. Injection molds have many advantages, such as wide adaptability to plastics, good appearance quality of plastic parts, high production efficiency, easy to achieve automated production, etc., widely used in the production of plastic parts.

Structural composition of injection molding chess
The structure of the injection mold is determined by factors such as the complexity of the plastic part and the structural form of the injection machine. The injection mold can be divided into two parts: the movable mold and the fixed mold. The fixed mold part is installed on the fixed template of the injection machine, and the movable mold part is mounted on the moving template of the injection machine. When the injection mold is closed, the movable mold and the fixed mold close constitute the pouring system and The cavity is opened by the pushing mechanism when the mold is opened and the mold is separated from the fixed mold.

Classification of injection molding dies
According to the type of injection machine used for injection mold, it can be divided into horizontal injection mold, vertical injection mold and angle injection mold.
According to the nature of plastics, it can be divided into thermoplastic injection molds and thermosetting plastic injection molds.
According to the typical structural characteristics of the injection mold, it can be divided into single-part type injection mold, double-part injection mold, oblique guide column (bending pin, oblique guide groove, inclined slider, rack and pinion). Core injection mold, injection mold with movable insert, injection mold with fixed device and automatic unloading injection mold.

According to the structure of the pouring system, it can be divided into ordinary flow injection molds and hot runner injection molds.
According to injection molding technology, it can be divided into low foam injection mold, precision injection mold, gas assisted injection molding injection mold, two-color injection mold, multi-color injection mold and the like.

Parting surface
The separable contact surface on the mold for taking out the plastic parts and the aggregate is called a parting surface. The parting surface is an important factor in determining the form of the mold. The type, shape and position of the parting surface are related to the overall structure of the mold, the structural form of the casting system, the demoulding of the plastic part and the manufacturing process of the mold. The complexity of the mold structure is also related to the molding quality of the plastic parts.

The relative position of the parting surface and the face
Determination of the number of ships and the arrangement of the cavities
The arrangement of the mold cavity should be determined according to the shape and size of the plastic parts, and pay attention to the following points.
The arrangement of the cavity and the opening portion of the gate are symmetrically symmetrical to prevent the occurrence of flashing;
The arrangement of the cavities should be compact to save steel and reduce mold weight
The arrangement of the cavities should consider the difficulty of processing, the circular arrangement processing is difficult, the linear arrangement processing is easy but the balance performance is poor, the H-shaped arrangement balance performance is good, and the processing is not too difficult, so it is widely used.

The position of the plastic part in the mold
For a single cavity mold, the position of the plastic part in the mold is the positional relationship between the parting surface and the cavity.
For multi-cavity molds, the cavities should be arranged so that each cavity can be equally divided from the total pressure by the gating system to ensure that the plastic melt can evenly fill each cavity at the same time. Therefore, the internal quality of the plastic parts of each cavity is uniformly stabilized.

The principle of selection of parting surface
The parting surface should be selected at the maximum contour of the plastic part.
The selection of the parting surface should facilitate the smooth demolding of the plastic part.
The selection of the parting surface should ensure the precision requirements and appearance quality of the plastic parts.
The selection of the parting surface should be beneficial to the processing of the mold.
The selection of the parting surface should be beneficial to the exhaust.
The selection of the parting surface should consider the lateral drawing distance of the mold.

 

 

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Plastic Injection Mold for Automotive Part, Injection Molding

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