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Plastic Fork Mould Design for Efficient Cutlery Production

Plastic fork mould design has a direct effect on disposable cutlery cost, appearance, packing quality, and line stability. For high-volume food service production, buyers should evaluate the mould around repeatable output instead of only looking at the number of cavities.

A good fork mould must control tine definition, handle stiffness, edge smoothness, part weight, demolding, and cycle time. If these details are weak, a fast mould can still create sorting problems, packaging jams, or customer complaints.

Start With the Fork Specification

The RFQ should define fork length, tine shape, handle thickness, weight target, resin grade, color, surface texture, packing method, cavity count, machine tonnage, and annual output. If the fork must match a spoon or knife family, the style and packing dimensions should be reviewed together.

Buyers should also confirm whether the product will use PP, PS, PLA, or another resin. Different materials affect flow, stiffness, cooling, shrinkage, and ejection, so the mould cannot be designed only from an appearance sample.

Cavity Balance and Edge Quality

Multi-cavity fork moulds need stable runner balance so each cavity produces similar weight and dimensions. Fork tines are narrow, so poor flow or venting can cause short shots, weak tips, burrs, or uneven edges.

During trial, inspect forks from every cavity for tine spacing, tip fill, handle straightness, flash, surface marks, weight variation, and stacking or packing behavior. Edge feel matters because the product is used directly with food.

Cooling and Ejection for High Output

Fork moulds often fail through deformation, sticking, or slow cooling rather than obvious dimensional errors. Cooling channels, polishing, draft angle, ejector layout, and robot take-out clearance should be designed around the target cycle time.

Clean ejection is especially important for long, thin fork handles and tine areas. Drag marks or whitening can reduce product appearance and may indicate that draft, surface finish, or cooling needs adjustment before acceptance.

Maintenance and Material Change Planning

Food service cutlery producers may switch colors, resins, or product variants. The mould should be easy to clean and inspect, with replaceable wear parts where practical. Buyers should request spare-part lists, water-line diagrams, hot runner information, and maintenance intervals.

An efficient plastic fork mould is the one that keeps product quality stable across long runs. Buyers who check cavity balance, edge quality, resin fit, cooling, and maintenance access before shipment are more likely to achieve predictable cutlery output after installation.

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about hengqi

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.

2012

In 2012, Hengqi Mould Factory was established.

2016

In 2016, Hengqi Enterprise established Tianjin factory.

2017

In 2017, Hengqi officially changed from individual to company.

2019

In 2019, Hengqi established Chengdu branch and Betterfork cutlery department.

2024

In 2024, Hengqi continues to expand international markets.

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