Normally, when ordering mold processing, customers often pay more attention to the price and do not pay much attention to the structure of a complete mold. This problem is really serious and will seriously affect the plastic injection molding production process later if we have a mold that does not meet the necessary standards.
In order to receive orders, many establishments do not hesitate to accept mold processing at very cheap prices to please customers, thereby using all means to reduce mold costs by using substandard processing methods and components. When handing over the mold, if the customer often evaluates the mold through the molded product but does not pay much attention to the mold’s errors, it will lead to errors after receiving the mold for a while, even though the molded product meets the requirements.
Notes when ordering mold processing and mold acceptance
In today’s article, our mold company’s consultants will help you grasp some notes when ordering and inspecting molds to prevent unnecessary risks.
1. Mold structure
Most individual or organizational customers when ordering mold processing often do not have much knowledge about plastic injection molds. Injection molds are not a very popular product and only those working in this field understand the structure of a complete mold set. However, you must understand that the structure of a plastic injection mold is a product with specific standards. We recommend that you read this article:
- Structure and function of parts in plastic injection molds
Mold structures have been standardized and used globally. Although each mold making facility can improve it to optimize it to suit each different product, a mold set basically must have mold plates, a cooling water system or mold heating system, a product rod system, positioning, guidance, pin return spring, etc.
2. Plastic mold steel
Customers often focus on the price but forget to pay attention to the steel material used to make the mold. Mold steel greatly affects the cost of the mold. Cheap mold makers often do not clearly state or do not mention this issue. Using substandard steel to make molds can help reduce costs, but it also means that the quality of the mold will decrease rapidly with the number of presses.
It is difficult for a non-professional to distinguish what type of steel is used to make molds, so mold inspection is also difficult. Some common steels are also difficult to distinguish when tempered. Therefore, to avoid fraud in this matter, the contract should clearly state the steel material used to make molds. If you are more careful, ask the mold maker to provide additional documents on the origin of the raw materials, such as a purchase invoice. You can also ask a material expert when accepting the mold.
3. Finishing
External finishing of the mold
- How do you feel when you first look at the mold? If you feel good when you look at the mold, then the mold maker you choose is definitely very careful and pays attention to every small detail. The mold is a mechanical component and usually not many people care about whether it is beautiful or ugly, but only care about the efficiency of the work. However, a mold that gives a pleasant look will partly demonstrate the level and skills of the manufacturer.
- Uniformity: The mold is assembled from many different mold panels and mold components. A complete mold set has mold panels and components that, when assembled, show continuity and mobility. Here you can see if the mold panels are square, whether the mold surface is flat or rough, whether the mold panels are too offset when assembled, and whether the components work well???
- Accompanying accessories: a simple mold set usually does not have many accessories. However, these accessories are essential: Mold lifting hook, Water line screw, Mold positioning ring, Mold locking clamp… If it is a hotrunner mold, it must come with a temperature controller and power cord.
Finishing inside the mold
- Mold surface gloss: Some plastic products require a glossy mold surface. To achieve that gloss, the corresponding mold surface must also be glossy. If you look at it with the naked eye, the gloss of the mold surface must be smooth as a mirror and there are no traces of knife running. Our mold company has 2 popular ways to create this glossy surface: polishing or surface chrome plating. These two methods have different advantages and disadvantages that we will directly advise customers in detail when ordering plastic injection molding at our plastic mold processing workshop. With the most advanced surface treatment technology today, we are proud to bring customers the best products.
- Surface roughness: Some plastic products require surface roughness to avoid slipping or fingerprints, so a method of treating the mold surface is needed to create roughness corresponding to product requirements. There are many popular methods to create roughness such as machine sandblasting or sandblasting. Both of these methods have their own advantages and limitations that customers will be consulted in detail by our staff when ordering molds at our mold processing company.
- Logos, raised letters, sunken letters: Many products are attached with logos and letters, numbers on the product surface to mark the brand as well as limit creative infringement. These elements need to be clearly expressed, sophisticated and unique. There are many methods to process logos, letters, numbers such as CNC engraving, laser engraving, electrophoresis… With many specialized and modern machines, our mold processing facility can meet even the highest requirements of customers.
Flexible and safe operation
- It is not enough to be beautiful, but it must be durable and safe. When accepting the mold, you should directly accept it on the press to see that the mold operates smoothly and safely. The product ejector system must operate smoothly and effectively, from the automatic ejector falling out to the gentle return to the correct position. The water line system must also be up to standard to maintain the appropriate mold temperature while preventing water from leaking out.
- The positions of the guide pins and positioning must match each other to create continuity when closing and opening the mold. During the opening and closing process, there must be no loud noise…
Conclusion
The above are some issues that need special attention when ordering mold processing that you need to know. There are many other issues that we want to advise you more carefully but cannot present them all in the scope of an article. If you have any questions, please contact us immediately.
Mold making is a field that poses many risks for both the customer and the manufacturer. Unlike other available items, plastic injection molds are often made to order. Each different product will produce a different mold set. Therefore, the mold making process is similar to the process of making a new product. To produce a qualified product, it must go through many stages such as calculation, design, construction, testing and editing, which are full of risks and take a lot of effort. Our company hopes to cooperate with customers on a mutually beneficial basis. We always strive to receive trust, support and share difficulties with customers to bring customers the best products.
