Paint Bucket Mould is one of the most demanding plast […]
Paint Bucket Mould is one of the most demanding plastic molds. Every year, we will provide high-quality bucket injection molds of different sizes to foreign markets, such as 20ltr paint bucket mold, 17ltr paint bucket mold, 11lit paint bucket mold, 5ltr paint bucket mold.
In the past ten years, we have manufactured many paint bucket molds for customers. We have summarized some technical points and can share the design and manufacturing of paint bucket molds with you.
1. Professional paint bucket mold design is the principle of a good bucket mold. Especially for the design of the cooling system, our company has a cooling system design on the core, slider, scraper, and cavity.
For the paint bucket mold core, design a cooling channel 15mm below the molding surface, and the diameter of the paint bucket mold cooling channel should be greater than 12mm to make the water flow smoothly in the channel while taking away the heat in the core. For the paint bucket mold cavity, the design of the cooling system near the tip of the hot runner is very important, which is very sensitive. A poor cooling system will directly affect the cycle time and appearance of the barrel.
2. It is very important to choose the right steel for paint buckets. In order to manufacture high-quality paint bucket molds, we must choose steel suitable for bucket molds. Generally, for a mold with a paint bucket mold life of 1 million, it is recommended to use HRC35-38 cavity and core steel 2738.
For molds requiring more than 3 million paint bucket mold life, it is recommended to use HRC45-48 to select 2344 cavity and core steel. Of course, some customers want to achieve high-speed injection with a shorter cycle time. We recommend using BeCu inserts at the top of the core, the bottom of the cavity and the slider.
3. The precise mold ensures uniform injection and material flow. The center of the paint bucket mold is eccentric, resulting in uneven wall thickness and the bucket is off-center.
This problem is very common, but it is harmful to the life of the mold. Therefore, good and accurate processing technology selection is very important.