Tag - china plastic injection molding

Why do you visit the factory when consulting the injection molding manufacturer?

When consulting the quotation of injection molding manufacturers, why do injection molding manufacturers try to invite customers to the factory for on-site investigation and then quote? Most customers don’t quite understand it. If they think your quotation is reasonable, it’s not too late for me to go to the factory again. In fact, it’s not because you don’t know whether you contact a manufacturer that can really solve your needs.
 
If not, your cost will increase; Once there is a […]

How much do you know about the solution of snake flow mark in injection molding process?

In the process of injection molding, it is easy to have snake flow marks and other adverse problems. Serpentine flow mark refers to the irregular flow line with gate as the middle on PC products. Different from the “fingerprint” line, the turbulent flow mark appears along the material flow direction rather than perpendicular to the material flow direction.
The reason for its formation may be that the melt injected into the mold cavity is greatly impacted, resulting in negative and […]

Is the failure of tension structure of large injection mold a problem of mold design?

The failure of the tensioning structure of large injection mold is a very dangerous processing thing. When testing the mold, it is necessary to detect the possibility of such problems to avoid such problems during processing.
So, is this problem caused by mold design? The answer is yes!
In the design of injection mold, fixed distance tensioning mechanisms such as swing hook and buckle are generally used in fixed mold core pulling or some secondary demoulding molds. Because these mechanisms are […]

What factors affect the price of injection mold?

In the injection mold industry, there is no standard way to calculate the mold price, because now in the injection mold industry, the competitiveness is too great, because some mold suppliers quote the cost price to customers just to make money in subsequent injection molding processing. In fact, without knowing the material, size, acupoints, accuracy, appearance requirements and other parameters of the mold, the price of the injection mold quoted is inaccurate. It’s hard to say, it’s an irresponsible […]

Dj Mold tell you: if the materials are selected well, the product design is half successful!

Many designers  say in product design, the sad one is the selection of materials. For us, so are customers! If the customer chooses a material as the material for the production of the product, but if it is not verified by appropriate experiments, once there is a problem, it is a big problem!
In the aspect of material selection, no matter the design of injection molding products manufacturer and how careful the customer is, it is not too much.
So how […]

What is the burning of injection molding products?

Recently, when we were producing an injection molding product, we found that there was often a burning problem. During molding, the surface of the product seems to be burned with fire.
The inspector saw the trial production of more than 10 samples, all of which had such problems, so he asked the technician  to help re debug the machine.
The technician explained that when plastic injection molding products are injected, the air in the mold will be discharged from the exhaust […]

Application of ultrasonic welding in industrial injection molding product design

As we all know, in the design of industrial injection molding products, the use of ultrasonic is a highlight to solve the problem of product design and assembly. A lot of product design needs to use assembly buckle, but because the buckle assembly sometimes has a loose problem, the product will not perform well in the waterproof aspect!
In the design of industrial injection molding products, ultrasonic welding is a fast, clean and reliable assembly process, which has the following […]

Injection molding products have black spots how to do?

Some transparent plastic parts, white plastic parts or light colored plastic parts in injection molding products often appear black spots in injection molding. I believe that some people feel headache. Why is this phenomenon? That is because of the decomposition of plastic or combustible volatiles in the material, air, etc. decomposition and combustion under high temperature and high pressure. The combustion material is injected into the plastic cavity with the melt material, and the surface of the plastic parts […]

Assembly and quality inspection process of plastic parts

How to inspect and assemble the plastic model in the injection molding plant? What is its operation process like? Now by the assembly of Dj Mold, the quality inspection director will analyze for you.
1. Assembly and quality inspection
When all the accessories are finished, they need to be assembled, and the assembly process has been designed in the disassembly programming stage. Just as we do the structure, we need to think about the assembly process clearly before we can start […]

What is the function of adding toner in injection molding?

Injection molding factory in the production of products, injection molding process, need to add toner, then add the role of toner? What should be paid attention to when adding, so as not to affect the quality of injection parts. Let’s get to know about it with Dj Mold.
 
1. Why add toner to injection molding
At present, it is widely used in industrial products, and it is the same in injection molded parts. Various colors of toner will be used to […]