How to adjust the injection molding machine when the plastic product becomes smaller

The main reason why the product becomes smaller is that the shrinkage rate is too large, and you can start from the following aspects:

1.To ensure the injection amount, the point position can be appropriately relaxed.

2.There should be sufficient holding pressure and time.

3.The temperature of the mold can be adjusted appropriately, not too high, and the water must be checked to see if it is unblocked.

4.You can consider changing raw materials for production and choose some raw materials with less shrinkage.

Add some pressure holding to see that the cooling time is longer, and it is best to look at the frozen water.

1.Has the mold shrunk?

2.Does the injection machine have water on it?

The mold temperature should not be high.

Is it deformed or shrunk, or is it short of material.

If the size of the injection molded product is too large, you can adjust the size in the following ways:1Adjust the mold temperature:

If the mold temperature is too high, it is easy to cause the product size to be too large, and the product size can be adjusted by adjusting the mold temperature. In general, reducing the mold temperature appropriately can ensure that the product is dimensioned more accurately. 2.

Adjust the injection pressure and speed: During the injection process, increasing the injection pressure and injection speed can make the size of the injection molded product larger; Conversely, reducing the size of the product will be smaller. Especially when the wall thickness of the product is relatively thin, the excessive pressure of the injection mold will cause the size of the product to be too large, and it is necessary to appropriately reduce the injection pressure to adjust the size.

3.Adjust the cooling time and temperature: If the cooling time and temperature are too short, it is easy to cause the product to deform, and too long may cause the product to be too large.

Adjusting the cooling time and temperature can achieve the effect of adjusting the size of the injection molded product. 4.Adjust material temperature and formulation:

Material temperature and formulation also have a strong impact on product size. If the product size is found to be too large, the product size can be adjusted by appropriately reducing the material temperature and modifying the material formulation. In addition to the above methods, it is also possible to adjust the product size by adjusting parameters such as the pressure and speed of the injection molding machine.

But regardless of the approach, it must be tailored to the specific situation to achieve the best results.

Injection molding machines. The size of the product is small, and the required size can be produced by better mold adjustment and selection of molds suitable for filial piety. The size of the mold determines whether the "inner distance of the column", "the thickness of the mold", the "minimum size of the mold" and the "size of the mold plate" of the machine are appropriate, so as to confirm whether the mold can be placed.

The width and height of the mold should be less than or at least one side should be smaller than the inner distance of the column; The width and height of the mold should be within the size range of the mold plate; The thickness of the mold needs to be between the thickness of the injection molding machine; The width and height of the mold should meet the minimum mold size recommended by the injection molding machine, and it should not be too small.

Since there are so many types of injection molding machines, it is important to determine which type of injection molding machine or series the product should be produced from, such as thermoplastics or bakelites.

Raw materials or PET raw materials, etc., are monochrome, bicolor, multicolor, sandwich or mixed color, etc. In addition, some products require high stability (closed loop), high precision, ultra-high rate of fire, high injection pressure or rapid production (multi-loop) conditions, and it is also necessary to select the right series to produce.

Hello, I am Mr. Li Zi, and I am happy to serve you! First of all, the injection molding process for this product model should be determined. Then, the structural size and related dimensions of the mold should be adjusted according to the size of the product, such as changing the pressure of the mold, adjusting the cavity core of the mold, changing the molding temperature, adjusting the compression simulation, and changing the speed and pressure of the mold to obtain a new injection size.

Finally, it is necessary to gradually adjust the mold and molding parameters after many tests, and finally achieve the purpose of reducing the size of the injection mold. Secondly, 1. Carefully inspect the mold structure and optimize the mold structure to reduce the size; 2. Increase the melting temperature of the plastic to improve the fluidity of the plastic; 3. Reduce the concentration of raw materials of plastics and reduce the quality of plastics; 4. Adjust the pressure and mold temperature to change the size of the plastic; 5. Increase the reflux ratio of the plastic to change the size of the plastic; 6. Reduce the pressure and reduce the size of the plastic; 7. Youtongcong modifies the ratio of plastic and mold to change the size of plastic; 8. Optimize the structure of the mold Zheng rock tool to change the size of the plastic <>

Summary. 1.The location of the gate affects the size.

2.Under the condition that the mold does not let it move:

First of all, adjust the packing pressure and holding time can be controlled.

Adjust the mold temperature again.

3.If you are using a valve gate, you can adjust the opening and closing time.

How to adjust the size of injection molded products to be small? How to adjust the size?

1.The location of the gate affects the size. 2.Under the condition that the mold is not allowed to move: first adjust the holding pressure and pressure holding time to control the temperature of the Qingshou hand mold again. 3.If you are using a valve gate, adjust the opening and closing time.

How to solve the problem that the size of PA46 fiber plus 30 resistance fuel injection molding products is small and 60 pieces.

This is a problem with the mold, and if it is small, you can only change the size of the mold.

Don't play too saturated, or shorten the cooling time, and increase the mold temperature, there is no problem with the mold, and the batch material is not too small.

Adjustment control of pressure and exhaust gas: The proper injection pressure and the matching of the clamping force should be determined during the debugging of the mold, and the air in the void formed by the cavity and core of the nuclear spring defense mold and the gas generated by the leakage plastic must be corrected.

Summary. Hello dear, happy to answer for you. How to adjust the size and deformation of injection molding products, if the size of the product is small, adjust the holding pressure a little more, the time can also be adjusted a little longer, if the size is large, adjust it in reverse. If the product is deformed, the pressure will be maintained for a long time.

How to adjust the size of injection molded products to be small? How to adjust the size?

Hello dear, I'm glad to answer for you. How to adjust the size and deformation of injection molding products, if the size of the product is small, adjust the holding pressure a little more, and the time can also be adjusted a little longer, if the size is large, it will be dismantled and adjusted. If the product is deformed, the pressure will be maintained for a long time.

Injection molding wheel molding, also known as injection molding, is a molding method of injection and molding. The advantages of the injection molding method are that the production speed is fast, the efficiency is high, the operation can be automated, the color variety is more early, the shape can be from simple to complex, and the size can be from large to small.

The size of injection molded products is on the high side, which may be caused by the following reasons:1The mold temperature is too high

If the mold temperature is too high, it will cause the plastic to melt too much during the injection molding process, resulting in an oversized product. At this time, the mold temperature can be appropriately lowered or the injection parameters of the injection molding machine can be adjusted to make the plastic melting state more stable. 2.

Too high a plastic temperature: If the plastic temperature is too high, it will cause the plastic to overmelt during the injection molding process, resulting in an oversized product. At this time, the material temperature of the plastic can be appropriately lowered or the barrel temperature of the injection molding machine can be adjusted to make the plastic in a proper molten state.

3.Excessive pressure on the injection molding machine: If the pressure on the injection molding machine is too high, it will cause the plastic to be over-squeezed during the injection molding process, which will make the product too large in size.

When this fiber bleeds, the pressure of the injection molding machine can be appropriately reduced or the injection parameters of the injection molding machine can be adjusted to make the injection molding process more stable. 4.Problems with the mechanical structure of the mold or injection molding machine:

If there is a problem with the mechanical structure of the mold or injection molding machine, such as the mold is out of the vertical position, the pressure of the injection molding machine is unstable, etc., it will also lead to the large size of the product. At this time, the mechanical structure needs to be overhauled or adjusted to ensure the normal operation of the mechanical structure. To sum up, in order to adjust the size of injection molding products, it is necessary to adjust and check the injection molding parameters of the injection molding machine, plastic material temperature, mold temperature, mechanical structure and other aspects.

If none of the above methods can solve the problem, it is recommended to seek professional injection molding equipment repair or technical support.

A: The size of injection molded products is too large, and it is often necessary to rely on adjusting the injection molding process or mold to achieve size control. Here are some common ways to make adjustments:

1.Adjust the injection temperature: If the injection temperature is too high, it may lead to an increase in melt flow and volume of the material, resulting in insufficient shrinkage of the molded part.

At this time, the nozzle temperature and the temperature of the feed section can be appropriately reduced. 2.Adjust the injection speed and pressure

If the injection speed is too fast and the pressure is too high, the molten material will take less time to fill in the mold cavity, which can also lead to oversized molded parts. At this time, the injection speed and pressure can be appropriately reduced to prolong the filling time. 3.

Adjust the cooling time: If the cooling time is too short, even if the density of the molded part reaches 100%, there is a high risk of insufficient shrinkage due to the residual heat of the internal pilaster. It is advisable to extend the cooling time to ensure that the inside of the injection molded part is cooled down steadily.

4.Adjust the mold structure or choose a more suitable mold: If the problem cannot be solved by the core control method, then you need to consider adjusting the mold structure or redesigning the mold.

For example, reducing the size of the mold cavity or increasing the cooling water line in the mold cavity can improve the problem of oversized molded parts. The above are some common injection molding product size adjustment methods, which need to be operated according to the specific situation. During the adjustment process, care should be taken to adjust the parameters slowly and gradually, and to carry out appropriate tests and measurements in order to fine-control and adjust the injection molding process.

I have found the fruit for you; Hello, if you want to make the size of the plastic product smaller, you can adjust it from the following aspects:1Adjust the mold temperature:

Appropriately reducing the mold temperature can reduce the thermal expansion of the plastic, so as to achieve the effect of reducing the size. 2.Adjust the injection pressure:

Increasing the injection pressure can make the plastic fill more fully and reduce shrinkage, so as to achieve the effect of reducing the size. 3.Adjust the injection speed:

Slowing down the injection molding speed appropriately can make the plastic filling more uniform and reduce shrinkage, so as to achieve the effect of reducing the size. 4.Adjust the material ratio:

Appropriately increasing the proportion of hard and wide spike materials can reduce the thermal expansion of plastics, so as to achieve the effect of reducing the size. 5.Adjust the mold structure:

By adjusting the structure of the mold, such as increasing the cavity pressure and adjusting the cooling method of the mold, the thermal expansion of the plastic can be reduced, so as to achieve the effect of reducing the size. It needs to be adjusted according to the specific situation, and you can try the above methods step by step to achieve the best results. Reminder:

When traveling, you must do your own epidemic prevention safety, wear a mask, I hope mine can help you!