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Is the injection molding machine expensive? How much is one?

writer:LI SONG Share

How much is the injection molding machine? Generally speaking, most customers who have been engaged in the injection molding industry for many years have the ability to judge and select the appropriate injection molding machine for production. However, in some cases, the customer may need the manufacturer's help to decide which injection molding machine to use, or even the customer may only have product samples or ideas, and then ask the manufacturer whether the machine can be produced or which model is more suitable. In addition, some special products may need to be equipped with special devices, such as pressure accumulators, closed circuits, injection compression, etc. In order to produce more efficiently. Therefore, how to choose a suitable injection molding machine for production is an extremely important issue.

 injection molding machine
How much is an injection molding machine?
The cost of an injection molding machine usually affects the choice of injection molding machine, including molds, products, plastics, and molding requirements. Therefore, the following information must be collected or mastered before choosing:
Mold size (width, height, thickness), weight, special design, etc.
The type and quantity of plastics used (single raw material or multiple plastics);
The appearance dimensions (length, width, height, thickness) and weight of the injection product;
Molding requirements, such as quality conditions, production speed, etc.

Some special issues may need to be reconsidered when purchasing an injection molding machine, including:
1. The problem of size matching:
In some special cases, the customer's mold or product may have a smaller mold size but a large amount of injection, or a larger mold size but a small amount of injection. In this case, the standard specifications preset by the injection molding machine manufacturer may not be able to meet the needs of customers, but the so-called "size matching" must be carried out, that is, "big wall and small cannon" or "small wall cannon". The so-called "large wall shot" refers to matching the original standard clamping device with a smaller injection screw, while "small wall shot" refers to matching the original standard clamping device with a larger injection screw. Of course, there may also be several levels of difference between clamping and injection.
injection molding machine
 
2. The concept of fast-slow machine or high-speed machine:
In fact, more and more customers will ask to buy so-called "high-speed machines" or "fast machines". Generally speaking, the purpose is to shorten the molding cycle and increase the output per unit time, thereby reducing production costs and improving competitiveness. Generally speaking, there are several ways to achieve the above goals:
(1) Accelerate the injection speed: increase the motor and pump, or increase the pressure accumulator (the closed loop is well controlled);
(2) Speed ​​up the feed speed: increase the motor and pump, or reduce the feed hydraulic motor to speed up the screw;
(3) Multi-loop system: adopts double-loop or triple-loop design to perform compound actions simultaneously to shorten the molding time;
(4) Increase mold waterway and improve mold cooling efficiency.

However, although the improvement and modification of machine performance can increase production efficiency, it often increases investment costs and operating costs. Therefore, the pre-investment benefit evaluation needs to be carefully measured in order to use the appropriate model to produce high benefits. How much is the injection molding machine? Probably based on these selections!

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