Mould Specifications
|
Mould name |
Plastic Kids Stool Mould |
|
Stool material |
HDPE |
|
Product Size |
250X200X230mm |
|
Product weight |
450g |
|
Mould material for cavity &. Core |
P20, 718 |
|
Mould base |
C45 |
|
Injection system |
Cold runner |
|
Suitable injection machine |
350T |
|
Mould size |
450x380x420mm |
|
Mould lifetime |
more than 300,000pcs |
How To Design The Safety of Household Plastic Adult Stools?

Children's plastic chairs are a common type of furniture used by children in households, with many unique features.
The design of children's plastic stools is specifically designed for the needs of children, usually smaller and lighter than ordinary adult stools, and suitable for children's height and body shape. In this way, children can use the stool more easily and freely, without worrying about instability or excessive force.
2. The material of the children's plastic stool is made of environmentally friendly plastic materials, which do not contain harmful substances and ensure the health and safety of children. The surface of the plastic stool is smooth and flat, easy to clean, and only needs to be wiped with clean water, making maintenance very convenient.
3. Kids plastic stools come in a variety of colors and styles, meeting their preferences for color and styling. Some chairs also feature cute cartoon patterns or printed designs, which are very eye-catching to children, allowing them to feel happy and relaxed while using the chairs.
4. Kid's plastic stools also have the characteristics of wear resistance and impact resistance, are not easily damaged or deformed, can withstand children's jumping and bouncing, and have strong durability. At the same time, considering the rapid growth of children, some kid's plastic stools are also designed with adjustable height or stackable storage functions, which are convenient for parents to adjust at any time and save space.
5. Kid's plastic stools not only provide a good user experience, but also pay attention to safety. The edges of the stool have been smoothed to prevent accidental injury. Moreover, the plastic material itself is not easily conductive and does not generate static electricity or pose a risk of electric shock to children. At the same time, the structure of the stool is stable, and the bottom is equipped with anti slip foot pads, effectively preventing slipping.
Design For Product &. Mould

What Are the Effects of Reinforcing Ribs On Kids Plastic Stool?

The design of reinforcing ribs is mainly aimed at increasing the stability and load-bearing capacity of the stool to ensure the safety and comfort of children. Strengthening the setting of ribs in the design and manufacturing process can improve the strength and hardness of the stool, and extend its service life.
Firstly, strengthening the tendons can increase the load-bearing capacity of the stool. During the growth process of children, their weight will continue to increase. If the load-bearing capacity of the stool is insufficient, there is a risk of the stool breaking or breaking. Strengthening muscles can effectively distribute weight, increase the load-bearing capacity of the entire stool, and ensure that children will not be injured during use.
Secondly, strengthening the ribs can improve the stability of the stool. Children often move up and down when using stools, and if the stability of the stool is not strong enough, there is a risk of tipping over. The setting of reinforcing bars can increase the anti overturning ability of the stool, ensuring that it remains stable during use and is not easily overturned.
In addition, reinforcing ribs can also increase the durability of the stool. Children tend to be rough when using stools, and if the structure of the stool is not strong enough, it is easy to cause damage or deformation. Strengthening the ribs can effectively enhance the structure of the stool, increase its compressive and flexural performance, and extend the service life of the stool.
How To Optimize The Injection System of Plastic Kids Stool Mould?
Optimizing the pouring system of plastic kids stool mould is a key link in improving product quality, reducing defect rates, and production costs. The specific optimization plan will be explained step by step from the aspects of gate design, runner layout, and material flow optimization
1, Core optimization objectives of injection system
a. Reduce weld marks and porosity
b. Improve filling uniformity
c. Shorten the molding cycle
d. Reduce waste rate
2, Optimization of Gate Type and Position
a. Gate selection
Priority solution: Pin Gate: Suitable for areas with high requirements for surface non marking (such as the bottom of the stool), automatically cutting off the gate to reduce post-processing.
Submarine Gate: Concealed gate traces, suitable for side injection of glue, to avoid exposed weld lines.
Alternative solution: Fan Gate: If a large area of uniform filling is required (such as a large stool surface), it needs to be combined with a trimming process.
b. Gate position design
Avoiding the load-bearing area: The gate should avoid the stress area in the center of the stool foot or seat surface to prevent stress concentration and cracking.
Symmetrical layout: If 1 mold and 2 holes are used, the gates are symmetrically distributed to ensure balanced filling of the two holes (reducing weight differences).
3, Optimization of flow channel system
a. Channel type
Cold Runner: Low cost, suitable for small batch production, but with a high waste rate (5-8% of materials).
Hot Runner: No waste channel, saves materials, shortens cycle by 10-15%, but increases mold costs by 30-40%.
b. Flow channel cross-sectional shape
Circular channel: with the best melt flowability, it is preferred for use in mainstream channels.
Trapezoidal channel: Low processing cost, but requires additional polishing to avoid retention.
c. Balanced flow channel design
Verify flow equilibrium through Moldflow analysis:
Adjust the length/diameter of the branch channel to ensure that the melt reaches the end of each cavity simultaneously.
If the flow channel is unbalanced, it is easy to cause local shrinkage or flash
Try-out of Plastic Adult Stool Mould
Package &. Delivery

Mould Components
Mould Steel

Hot Runner System

Standard Parts

FAQ
>1. What is plastic kids stool mould?
It is a tool used to produce plastic parts by injecting plastic into the mould cavity.
>2. What materials are used to make plastic kids stool mould?
The most common materials used to make injection moulds are high-quality steel, such as P20, 718, 2738, etc.
>3. What is the process of making plastic stool mould?
The process of making a mould includes design engineering, machine programming, tooling fabrication, mould testing and validation.
>4. Can moulds be customized to specific product requirements?
Yes, moulds can be customized to specific product requirements depending on the design and specifications of the project.
>5. What are some factors to consider when making our plastic moulds?
Some factors to consider when making plastic moulds include product design, plastic material selection, mould material selection, injection moulding machine capacity, cooling time, and mould maintenance requirements.
>6. How long does it take to make one set of mould?
The time it takes to make mould can vary depending on the complexity and size of the mould.
However, it usually takes between 6 and 8 weeks.
>7. What can be done to ensure the mould quality?
To ensure mould quality, proper design and engineering, high-quality materials, and strict quality control procedures should be employed during the entire process of making the mould.
>8. How long can a mould last?
The lifespan of a mould can vary depending on the quality of the mould, maintenance practices, and operating conditions. A well-maintained mould can last for hundreds of thousands of cycles.
>9. What are the benefits of making plastic injection moulds?
Some benefits of making plastic moulds include faster production times, lower costs per unit, high accuracy, and the ability to produce complex shapes and designs.
>10. Can our plastic kids stool mould be repaired and maintained?
Yes, it can be repaired and maintained to extend their lifespan. Regular maintenance can prevent breakdowns and ensure consistent quality.
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