Bottle Cap Mould Factory

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Plastic Cap Mould

Taizhou Ruijie Molding Co., Ltd.

RJ Mould is one reliable and professional mould manufacturer in China. Our product line covers bucket mould, crate mould, chair mould, preform mould, cap mould, automotive mould etc.
The factory was established by first crew of mould engineers who started making moulds since 2000.
At RJ Mould, we provide customers with one-stop solutions from product design, mould design and manufacturing. We use UG / CAD / CAM/ CAE for mould and product design. Our factory has various CNC machining centers, milling machines, CNC engraving Machines, electric spark(EDM), wire-cutters and other equipments.
RJ Mould has a strong moulding technical team to make sure to provide our customers with high quality mould and competitive mould price.
Our moulds and products were already exported to over 20 countries, such as America, France, Italy, Romania, Ecuador, Ghana, Japan, Vietnam and so on.
RJ Mould focuses on quality, on-time delivery and after-sale service.

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Industry Knowledge

What Is Cap Mould?
Cap mould refers to a tool used in the production of plastic caps and closures. These products are commonly used as lids or seals for various types of containers, including bottles, jars, and tubes. The cap mould is used in the injection moulding process, where it is used to shape the melted plastic resin into the final cap or closure product.
The cap mould typically consists of two halves, the cavity and the core, which are precisely machined to the specifications of the desired cap design. The plastic resin is melted and then injected into the mould, where it is allowed to cool and solidify. Once the cap has cooled and solidified, it is removed from the mould and then subjected to any necessary finishing or post-moulding operations.
The use of a cap mould allows for the precise and efficient production of high-quality plastic caps and closures, with consistent shapes and sizes. The mould can be made of various materials, including steel, aluminium, or other metals, depending on the required durability, production volume, and final product quality.
In summary, a cap mould is an essential tool in the production of plastic caps and closures, providing precise and consistent shape and form to the final product. The use of the mould helps to ensure the efficiency and cost-effectiveness of the production process, while also improving the quality of the final product.
Features of the Cap Mould
There are several features of a cap mould that are important to consider:
Design: The design of the cap mould is critical to the final product quality and consistency. The mould must be precisely machined to the specifications of the desired cap design, with accurate tolerances to ensure proper fit and function.
Material: The material used for the cap mould is important for durability, strength, and longevity. Common materials include steel, aluminium, and other metals. The choice of material will depend on the production volume, product requirements, and desired product quality.
Cavity and Core: The cap mould typically consists of two halves, the cavity and the core. The cavity is the inner part of the mould that creates the shape of the cap, while the core is the outer part of the mould that provides support and stability.
Cooling System: The cap mould must have an efficient cooling system to ensure proper solidification of the plastic resin. Proper cooling helps to minimize the cycle time and improve production speed.
Ejection System: The cap mould must have a reliable ejection system to ensure easy removal of the finished cap from the mould. This is important for production efficiency and minimizing product damage.
Maintenance: The cap mould must be designed for easy maintenance and cleaning, to ensure that it operates efficiently over time. Proper maintenance helps to minimize downtime and improve production speed.
Customization: The cap mould can be customized to meet specific production requirements, including the design of the cap, material selection, and cooling and ejection systems.
In summary, a cap mould must be designed with accuracy, durability, and efficiency in mind, with features like a precise design, high-quality materials, efficient cooling and ejection systems, and easy maintenance. Customization options are also important to meet specific production needs.