An 8CAV IML cup mould is a serious investment for dairy, ice cream, yogurt and beverage packaging lines because decoration quality and production output are decided inside the same molding cycle. Buyers should evaluate it as a complete production system, not only as an eight-cavity steel tool.
The right project starts with the cup drawing, resin, label material, label thickness, robot plan, target machine, annual volume and stacking requirement. When these inputs are confirmed early, the mould maker can balance label placement, filling, cooling and ejection around the real production target.
In-mold labeling places the label inside the mould before injection. During filling, the label bonds with the molten plastic and becomes part of the cup wall. This gives dairy and retail packaging a durable decorated surface, but it also means label position, static control, vacuum design and injection flow must work together.
Eight-cavity production increases output, but it also narrows the process window. Every cavity must fill evenly, hold the label in position, cool at a similar rate and release the cup without distortion. Small differences between cavities can become visible as label offset, rim deformation, weight variation or stacking issues.
Key Checks Before Ordering an 8CAV IML Cup Mould
Buyers should confirm whether the injection machine has enough shot capacity, injection speed, clamping force, platen space and tie-bar clearance for the selected mould. The robot and label magazine also need to match the expected cycle time, because label loading often becomes the bottleneck in IML production.
The label design should be reviewed with the cup geometry. Sharp corners, deep ribs, undercuts and very thin walls can make label placement more difficult. A practical mould design may adjust gate position, venting, label holding points and cooling channels to protect both appearance and cycle stability.
During mould trials, check label registration on every cavity, label adhesion, wrinkles, bubbles, gate marks, cup roundness, wall thickness, part weight, stacking fit and cycle repeatability. Sampling should be done under agreed machine and robot conditions so the result reflects production, not a slow demonstration shot.
A good trial report should record material grade, label specification, melt temperature, mould temperature, injection speed, cooling time, total cycle time, part weight and cavity-by-cavity observations. These details help the buyer compare the finished mould against the purchase specification.
Send 2D or 3D drawings, sample photos, target capacity, wall thickness, label artwork area, annual output, machine model, automation requirements, packing method and acceptance standards. Ask the supplier to explain hot runner choice, label holding method, cooling layout, spare parts and after-sales support.
For high-volume decorated cup packaging, an 8CAV IML cup mould is valuable when it improves shelf appearance without sacrificing production stability. The strongest projects connect product design, label engineering, mould construction and automation planning before steel cutting begins.
Ningbo Hengqi Precision Mould Co., Ltd. is professional China Plastic Injection Mould Manufacturers and custom Plastic Injection Mould factory, engaged in the development and manufacture of thin-wall packaging moulds. Our company has complete manufacturing equipment, scientific quality management system, rich practical experience in mould and hot runner production, combined with professional system design, using high-precision high-speed machining centers to achieve mold processing high standards. Hengqi Mould is in the leading position in the field of thin-wall injection molds in China. It produces thousands of sets of PP lunch boxes, cups and in-mold labeling system molds with a wall thickness of 0.35-0.45MM each year, which are supplied to the domestic market and exported to overseas. Hengqi Mould adheres to the spirit of continuous innovation and development of precision moulds.

In 2012, Hengqi Mould Factory was established.
In 2016, Hengqi Enterprise established Tianjin factory.
In 2017, Hengqi officially changed from individual to company.
In 2019, Hengqi established Chengdu branch and Betterfork cutlery department.
In 2024, Hengqi continues to expand international markets.