WhatsApp: +86 19166273143 | emma.tan@tkbkl.com


Home - Blog - Designing a Precision Plastic Crate Mould for Efficient Storage and Transportation

Designing a Precision Plastic Crate Mould for Efficient Storage and Transportation

Date: 2023-6-13

In today’s fast-paced world, efficient storage and transportation of goods are crucial for businesses to succeed. One of the most effective solutions for these needs is plastic crates. These crates are lightweight, durable, and cost-effective. They can be used for storing and transporting a wide range of products, including food, beverages, and fragile items. However, the success of plastic crates depends on their design, and that is where plastic crate moulds come in. This article will discuss the key considerations in designing a precision plastic crate mould for efficient storage and transportation.

Material Selection

The first step in designing a plastic crate mould is selecting the right material. The type of plastic used will depend on the intended use of the crate. For example, if the crate is intended for storing food, it must be made from food-grade plastic that is safe for human consumption. The plastic selected should also be strong and durable to withstand the rigors of transportation and storage. Some of the commonly used plastics for making crates include high-density polyethylene (HDPE) and polypropylene (PP).

Mould Design

The mould design is a critical aspect of the plastic crate manufacturing process. The mould should be designed to produce crates with accurate dimensions and a consistent wall thickness. The wall thickness is particularly important as it affects the durability of the crate. If the wall is too thin, the crate may break or crack under the weight of the contents. On the other hand, if the wall is too thick, it may add unnecessary weight to the crate, making it less efficient for transportation. The mould should also be designed to produce crates with a smooth surface finish, free of defects such as warping, sink marks, and flash.


Venting is another important consideration in plastic crate mould design. Proper venting ensures that any trapped air or gas is released during the injection moulding process. If air is trapped inside the mould, it can create voids or bubbles in the plastic, resulting in weak spots in the crate. These weak spots can compromise the integrity of the crate, making it unsuitable for storage or transportation. Venting also helps to prevent the build-up of pressure inside the mould, which can cause deformation or warping of the crate.




Cooling is a critical aspect of plastic crate mould design. The mould should be designed to cool the plastic uniformly and efficiently. Proper cooling ensures that the plastic solidifies evenly, preventing warping or deformation of the crate. The cooling time should be optimized to minimize the cycle time and maximize production efficiency. The cooling system should also be designed to prevent hot spots, which can cause inconsistent cooling and lead to defects in the finished product.


Designing a precision plastic crate mould for efficient storage and transportation requires careful consideration of several factors. The material selection, mould design, venting, and cooling are all critical aspects that must be optimized for the best results. A well-designed plastic crate mould can produce consistent, high-quality crates that are strong, durable, and efficient for storage and transportation. By following these key considerations, manufacturers can produce plastic crates that meet the needs of businesses in a wide range of industries.

Latest News