Description

Technical Parameters

Mould Specifications

Mould name	High quality plastic chair mould
Product material	PP
Product Size	480X510X800mm
Product Weight	1.3kg
Mould material for cavity &. Core	P20, 718
Mould Base	C45
NOs of cavity	1 cavity
Injection system	Chinese brand hot runner
Suitable injection machine	650T
Mould size	840x960x1200mm
Mould lifetime	more than 300,000pcs
Delivery Time	55 days

What Are The Styles of Plastic Chairs?

Plastic chairs, as a common type of furniture, are widely used in various settings due to their lightweight, durability, and ease of manufacture.

Household plastic chairs: Household plastic chairs are one of the most common types of plastic chairs in daily life. They are usually designed to be both comfortable and lightweight, making them easy to move and store. These chairs typically have a simple design, come in various colors, and can be well matched with various home styles.

Office plastic chairs: Office plastic chairs are mainly used in offices, meeting rooms, and other places. They are usually made of durable and easy-to-clean plastic materials to meet the requirements of the office environment. Office plastic chairs come in various styles, including staff chairs and meeting chairs, to meet the needs of different office scenarios.

Outdoor plastic chairs: Outdoor plastic chairs are mainly used in outdoor environments such as gardens, patios, parks, etc. These chairs usually have features such as water resistance, UV protection, and strong weather resistance. The design of outdoor plastic chairs is simple, and they are easy to fold and store, making them convenient to carry.

Special-purpose plastic chairs: In addition, there are also some special-purpose plastic chairs, such as medical chairs, school chairs, etc. These chairs are designed according to the specific needs of different occasions and have unique functions and characteristics. For example, medical chairs may need to meet medical standards, while school chairs need to comply with the usage habits and safety requirements of students.

Armchair: The armchair is another common form of plastic chair. It has armrests and a backrest, providing additional support and comfort. The style and material of this chair are usually simple, so some snack bars often use it as the dining chairs inside the store.

Folding Chair: The folding chair has held an important position in history due to its portability and lightweight features. In modern home settings, it holds a significant place. People usually keep several folding chairs at home for the occasional arrival of guests.

Fast food chair: A fast food chair refers to the simple and commonly seen plastic chairs in fast food restaurants. They are usually designed simply and have bold colors to meet the fast service and cleanliness requirements of fast food establishments.

Designs For Product &. Mould

Why Are Plastic Mould All Subjected To R-Corner Treatment?

The R-corner treatment of plastic moulds is carried out to enhance the strength of the moulds, extend their service life, reduce the risk of stress concentration during assembly, improve the appearance quality of the products, and make them more aesthetically pleasing and in line with usage requirements.

Improving injection molding fluidity and reinforcement strength: By adding R-angles to plastic part moulds, it can improve the fluidity of the injection molding material, reduce bubble formation, and also facilitate mould demolding, thereby enhancing the appearance quality of the products, and also increasing the strength of the internal reinforcement plates.

Avoiding stress concentration: In the design of machined parts, the R-angles at the root of each step of the stepped shaft can effectively reduce the phenomenon of stress concentration, improving the strength and service life of the parts.

Enhancing the processability and mould life of stamping: For the forming of stamping parts, R-corner transitions are required.

Preventing burrs and hand-scratching: Designing R-angles for electroplated parts can prevent burrs and hand-scratching.

Safety requirements: The through-hole of the line cannot have sharp sharp angles, and also requires a 30-degree R-corner.

In conclusion, R-corner treatment plays a crucial role in the design of plastic moulds. It not only relates to the performance and lifespan of the moulds themselves, but also directly affects the quality of the products and production efficiency. Therefore, in the design and manufacturing of moulds, sufficient attention must be given to R-corner treatment, and corresponding technologies and measures must be taken to ensure the quality of R-corner.

What Issues Should Be Considered In The Design of The Core-Pulling Structure For Plastic Chair Mould?

Core-pulling stability: Ensure that the core-pulling mechanism can operate stably during the injection molding process and prevent the mould expansion phenomenon caused by high injection pressure.

Locking mechanism: For large moulds, especially those with parts that require core-pulling before opening the mold, designing an effective locking mechanism is crucial. This helps prevent the core-pulling slider from retracting during the injection molding process.

Core-pulling sequence: Reasonably arrange the sequence and timing of core-pulling, for example, performing the core-pulling action at the beginning of mould opening, and then performing other demolding actions later.

Core-pulling force calculation: Based on the characteristics of the plastic material, the shape and size of the product, accurately calculate the required core-pulling force, and select an appropriate core-pulling driving method (such as hydraulic, pneumatic or mechanical).

Mould strength and rigidity: The design of the core-pulling structure should not weaken the overall strength and rigidity of the mold. Especially when using lever-type or similar structures, ensure that these components can withstand necessary stress without deformation or damage.

Maintenance and repair convenience: Consider the maintainability and accessibility of the core-pulling mechanism during design, to facilitate future maintenance and repair.

Automation compatibility: If planning to use automated equipment for production, the core-pulling structure should be compatible with these devices and easy to integrate into the automation process.

Why Is The Plastic Chair Mould Made Using The Insert Technology?

Facilitates mould modification: The mould often needs to be modified. By adding inserts in the areas that need to be modified in advance, when modifying the mould in the future, only the inserts need to be replaced. This not only facilitates the modification of the mould but also saves time and costs.

Helpful for mold venting: In mould design, venting is an important aspect. By adding inserts at the areas where venting is required in the mould, the cooperation gaps of the inserts can be utilized to achieve effective venting, ensuring the smooth progress of the injection molding process.

Facilitating mold processing: In injection moulds, the processing, polishing of some deep valleys and holes, as well as the filling and ejection of plastic, are often very difficult. However, by installing inserts in these areas, the processing difficulty can be reduced and the production efficiency can be improved.

Increase the service life of the mould: During the use of the mould, certain parts are more prone to wear and tear. By designing inserts in these vulnerable areas, if the inserts are damaged, they can be replaced promptly, thereby extending the overall service life of the mould.

Adapting to different product requirements: For chairs of the same style but with different panels, there is no need to produce multiple molds. Just one mold needs to be made, and by replacing different inserts, diverse product requirements can be met.

The application of insert technology in plastic chair moulds not only enhances the flexibility and durability of the moulds, but also reduces production and maintenance costs. It is an important consideration in mould design.

What Are The Contents of The Confidentiality Agreement For The Plastic Chair Mould Project?

Definition: Clearly define the meanings of specific terms used in the agreement, such as "confidential information".

Scope of confidential information: Clearly list the types of information that are considered confidential, such as design drawings, technical specifications, production processes, etc.

Confidentiality obligation: Specifies the protection duties of the recipient (usually the mould developer) for the confidential information, including but not limited to not disclosing, not using, and not leaking the confidential information to any third party.

Exceptional circumstances: Describing the situations under which confidential information can be disclosed, such as when required by law or when the information has already been made public.

Confidentiality period: Specifies the validity period of the confidentiality agreement. Generally, the confidentiality obligations remain in effect after the termination of the agreement, and the period shall not exceed two years.

Liability for breach of contract: If the recipient violates the confidentiality agreement, they shall bear the corresponding legal responsibilities and consequences.

Modification and termination of the agreement: Describing how the agreement can be modified, terminated or dissolved, as well as the conditions and procedures for such modifications or terminations.

Dispute Resolution: Specifies the resolution mechanism for disputes that arise during the performance of the agreement, such as arbitration or litigation.

Other terms: May include applicable laws, notification methods, language of the agreement text, and validity, etc.