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Generally speaking, the forming surface of Household Product Mould(FURNITUREMOULD) is complex in shape, high in dimensional accuracy and small in surface roughness value, and there are many heat treatment requirements. The consistency and coordination of the forming surface of various related parts have strict requirements. The processing of forming surface is one of the keys and difficult points in the die process of household product mould.

Next, let's look at the main points of household product mould. The processing of various mould parts starts with the processing of the external surface and lays the foundation for the subsequent processing of the forming surface and the structural surface. In the blank design and processing of household product mould, the machining allowance on the outer surface should be made appropriate to avoid material waste and reduce subsequent machining workload. For forgings and casting blanks, necessary annealing and aging heat treatment should be carried out in the blank processing stage to reduce the internal stress of the material and prepare the metallographic structure for subsequent processing.

Die-cutting is to form customized parts with different sizes by precision machining and cutting according to predetermined shapes. The circular knife die-cutting system for die-cutting has a high precision circular knife die-cutting system. Die-cutting and slitting can be completed at one time.

What effect does the refinement of household product mould have on production and processing? It can make the compounding and high efficiency of processing equipment more attractive. High-speed milling has many advantages such as being able to process high-hardness materials, stable processing, small cutting force, small temperature rise and deformation of workpieces, etc., which make mould enterprises pay more and more attention to high-speed processing. Modern measurement technology is continuously integrated into product research and development. Under the system of reverse engineering design and manufacturing, the inseparable relationship between mould and mould parts design and manufacturing is more obvious.

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There may be a series of situations in the process of Chair Mould(FURNITUREMOULD) processing customization. In fact, one of the phenomena that we have to face is the bending deformation of chair mould processing. So during the whole processing, besides considering the final requirements or installation, we should also consider the performance of chair mould processing and equipment. In this case, we have to consider the fluidity of more chair mould processing. Then why do chair mould processing customization have some bending deformation?

I. Mould

In the process of customizing the chair mould processing, basically if such a situation occurs, it is believed that the door may be located improperly or in insufficient quantity, or the top product may not be located uniformly.

II. Technology

More technical factors will be taken into account when customizing the chair mould processing. For example, it may be considered that the temperature of the machine pipeline is extremely high, or the injection pressure is extremely high, and there are other situations where the injection is too fast. The heat preservation time is relatively long, and the cooling time is also very short.

III. Raw Materials

When all the raw materials are actually processed, they will affect the final cleanliness and lead to the deformation of the whole product.

IV. Product Design

When the chair mould is customized, each product has its own design style in the process of design. For a simple example, different chair mould has different design requirements because they have different requirements during processing.

Through the above content, we should consider the actual situation in the process of processing the chair mould. When bending deformation occurs, it must be adjusted first to a reasonable state for processing.

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1. The steel used for making die parts of Crate Mould(FURNITUREMOULD) shall be wear-resistant, corrosion-resistant, with small deformation in high-temperature environment and certain toughness.

2. All parts in the crate mould shall be assembled in the mould body, and the cavity working surface of melt flow channel formed shall be smooth, level and free from material stagnation. If necessary, hard chrome layer shall be plated on the surface.

3. When the parts in the crate mould are disassembled and the sticky materials are cleaned, it is not allowed to strike the working face with a hammer, and it is not allowed to clean the residual materials stuck on the working face with a scraper, and there are no scratches and burrs on the working face.

4. Pay attention to the process temperature control of each part in the crate mould to meet the requirements of the tube blank forming process, and the mandrel in the large-size tube forming mould to have a heating temperature control device.

5. The center line of each part in the crate mould shall coincide with the center line of the mould body and the screw after assembly.

6. When the forming die is not used for a long time, all parts shall be cleaned up, coated with antirust oil, and sealed at the inlet and outlet for storage after assembly. Heavy objects are not allowed on the stored crate mould body to prevent the mould from deforming.

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If you want to solve the common problems in the mould test of the Crate Mould(FURNITUREMOULD), you have to know where the problem is in order to solve the problem. Let's talk about some common problems in the test of crate mould.

1. The main runner die bonding

The solution to the problem is to polish the main runner, with the nozzle coinciding with the mould centre, reduce the temperature of the crate mould, shorten the injection time, increase the cooling time, check the nozzle heating ring, polish the surface of the crate mould, and check whether the material is contaminated.

2. Difficult demoulding of plastic parts

The solution to the problem is to reduce the injection pressure, shorten the injection time, increase the cooling time, reduce the temperature of the crate mould, polish the surface of the crate mould, increase the demoulding slope and reduce the gap at the insert.

3. Poor dimensional stability

The solution to the problem is to change the temperature of the charging barrel, increase the injection time, increase the injection pressure, change the screw back pressure, increase the temperature of the crate mould, reduce the temperature of the crate mould, adjust the feed amount, and reduce the return ratio.

4. Surface corrugation

The solution to the problem is to adjust the feeding amount, raise the mould temperature of the crate, increase the injection time, increase the injection pressure, raise the material temperature, increase the injection speed, and increase the size of the sprue and gate.

5. Plastic warpage and deformation

The solution to the problem is to reduce the crate mould, reduce the material temperature, increase the cooling time, reduce the injection speed, reduce the injection pressure, increase the screw back pressure and shorten the injection time.

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The defects of most crate products are caused during the plasticizing and injection stages of the Crate Mould(FURNITUREMOULD), but sometimes they are also related to unreasonable design. The influencing factors include the type of injection port, the number of mould cavities, location and size, the design of the cold/hot runner system, and the structure of the product itself. Therefore, in order to avoid product defects caused by the design of the crate mould, we need to analyze the crate mould when making it.

After the test results of the crate mould, the operator usually needs to re-evaluate the specific conditions of the crate mould to avoid unnecessary cost and time in the process of modification. In most cases, in order to make up for the deficiencies in the die design of crates, the operator may make incorrect settings without knowledge, because the parameter setting range required to produce qualified products is very small, and any deviation in parameter setting may lead to the quality of the final products far beyond the allowable error range.

The purpose of the mould test of the crate mould is to find out the optimized technological parameters and the design of the crate mould. Not just to get a good sample. This is very important. Even if factors such as materials, machine settings or environments have changed, a stable and uninterrupted mass production environment can still be ensured.

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