What is mold insert?
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Mold insert is in the mold specifically refers to the mold parts used to be embedded in the mold core. Mold inserts can be square, round, or shaped. The more complex the structure, the more accurate the injection mold is in a large number of mold inserts.
Generally, there is no finished or standard mold insert, customized according to the needs of the mold.
Type of mold insert: core pins, block insert, round insert, insert ring, etc.
Material: SKD61, SKH51, ASP23, SKD11, etc., or with the opposite of the core material;
Hardness: above 50HRC;
Standard precision: ±0.01mm, depending on the specific precision requirements of the mold
The advantages of mold inserts
In consideration of the difficulty of mold manufacturing, the design of mold inserts has the following advantages:
1. Convenient processing: some of the stiffeners, deep bone and deep holes in the die core are very inconvenient for processing, polishing, injection molding and product demoulding.
So the design of these positions as mold inserts can improve the situation mentioned above
2. Easy mold modify: Product development designers usually improve the product defects after testing during the design of the product, so the product may need to be changed into inserts, so that only mold inserts need to be changed when the mold is changed.
3. Easy to exhaust: it is very important to exhaust the mold, whether the quality of the products involved can be guaranteed. The position where the mold is easy to trap air is designed into inserts, and the gap between mold inserts can be used to exhaust air
4. Can reduce the production cost: make the position which is not easy to process , such as the rib position, groove and other features into mold inserts, can reduce the use of EDM, improve production efficiency, reduce production costs
5. Improve the life of the mold: under normal circumstances, the mold needs to design mold inserts, which are usually vulnerable to damage. Once the inserts are broken or worn, only the inserts need to be replaced, so as to extend the life of the whole mold
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6. The position requiring high dimensional accuracy of injection products can be disassembled and inlaid and processed separately as mold insert.
The disadvantages of mold inserts:
1. Increase the location of mold assembly, and the workload will increase accordingly;
2. If the mold insert is not well coordinated, it is easy to produce the edge and flaps, thus reducing the grade of the product;
3. The appearance of injection molded parts may leave obvious marks;
4. mold inserts structure, if the amount of wire cutting, discharge and material usage is large, will increase the manufacturing cost of the mold;
5. Mold insert structure, start waterway is not so convenient;
6. There are too many mold inserts, which may cause certain influence on the strength of mold parts.
Inserts in the mould is one of the very common structure, although is flawed, but is also very obvious advantages, the design of die structure according to the specific product determine where you need to do mold insert, where can the body it is not necessary to do mold insert, at the same time, it is important to note that do mold insert place would include insert marks or insert line, The custtomer needs to confirm whether they can accept the mold opening review.
Threeup supply manufacture service of mold inserts, mold insert core, mold sliders, mold lifters&#;
And supply all CMM size testing report before delivery.
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