Professional Plastic Pipe Fitting Mould Manufacturer With 20 Years Of Experience - Spark Mould
Tech Blog
Hot runner molds have many advantages. But its cost is also expensive. Therefore, we should be more cautious in the mold design and manufacturing process. Avoiding errors is the best cost savings. There have 10 error points in the design. This will help, get it quickly.
2025
02
14
Mold designers need to pay attention to some details of mold structure and part design. Details determine success or failure. Of course attention to detail requires level and experience. Don’t worry, this article contains 12 general details. Get these details to help your design.
2025
02
14
The wall thickness of plastic parts should meet the strength, stiffness and dimensional stability of plastic parts. Unreasonable wall thickness will affect the quality of the plastic parts. Increase production costs.
2025
02
13
Mold design should understand the working principle of the part. It is necessary to know how to design properly so as to avoid problems with the designed mold. The existence of these problems will seriously affect the quality of the mold. We need to pay enough attention.
2025
02
13
Generally, the cavity and core of the mold are of a unitary structure. However, the processing of complex shaped cavities and cores is very difficult. Processing accuracy is also limited. The use of insert structure can improve the precision and processing.
2025
02
13
The side core pulling mechanism is an important mechanism in the injection mold. The seven design points presented in this article can solve most of the problems. A reasonable mold design can save the manufacturing cost of the mold. And improve the life of the mold.
2025
02
12
The side core-pulling mechanism is used to solve the complicated mechanism of plastic parts. There are many types of side core-pulling mechanisms, and there are various classification methods. This article refers to four types of side core-pulling mechanisms.
2025
02
12
Threaded plastic parts are common. There are two types of threads on the plastic parts: external and internal. The external threads with low accuracy are often eject by a side core pulling mechanism. Internal thread has two structures: forced ejection and automatic unscrew.
2025
02
12
Whether the mold is set with an air venting has a great influence on the quality of plastic parts. For thin-wall plastic parts, small plastic parts or precision parts, the air venting is a crucial point. And in the same plastic part, the part away from the gate position needs to be designed with air venting.
2025
02
12
In the design of injection molds, a slider mechanism is often applied to the slider. This mechanism is called the slider core-pulling delay mechanism. The slider core-pulling mechanism is often used in the following two aspects:
2025
02
12
Large injection molds mean high manufacturing costs. Compared with general injection molds, it has larger size and weight. Difficulties in the manufacturing, transportation, and installation of molds. So when designing, we have to combine many factors.
2025
02
11
Double ejection is a common method of ejection system. This method is used to form plastic parts with undercut. When the lifter cannot be used and the slider pops up. In order to better ejection the product, or to avoid gate strain. Sometimes in order to meet the automatic ejection of the plastic part, it is necessary to add another ejection action.
2025
02
11
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