投稿日:2025年2月18日

Prototype resin mold with gateless structure: Minimize material loss by eliminating runners

What is a Prototype Resin Mold?

Prototype resin molds are vital tools in the manufacturing sector, especially when testing new designs or products.
These molds allow manufacturers to produce preliminary versions of a product to assess design feasibility, functionality, and potential cost-effectiveness before committing to mass production.
They are often crafted from synthetic resins, which can be easily shaped and take on intricate details.
This process offers a quick and cost-efficient way to test product designs.

The Importance of Reducing Material Loss

In traditional molding processes, a significant amount of material can be wasted, most notably in runners.
Runners are channels that guide molten resin from the machine into the mold cavities.
Once the molten resin has cooled, these runners are typically removed, leading to material waste.
Minimizing this waste is essential as it contributes to reducing production costs and the environmental impact.

The Concept of a Gateless Structure

A gateless structure refers to a mold design that eliminates or significantly reduces the need for traditional runners.
Instead of relying on these channels, the resin is injected directly into the mold cavities.
This innovative approach not only reduces material loss but also shortens cycle times and increases production efficiency.
The main aim is to streamline the manufacturing process, resulting in less waste and higher margins.

Advantages of Using a Gateless Structure

The adoption of a gateless structure in prototype resin molds presents numerous advantages, especially for industries aiming for sustainability and cost-efficiency.

Cost Savings

By eliminating runners, less raw material is used, leading to significant cost savings.
This is particularly beneficial for high-volume production where the accumulation of wasted materials can become quite costly over time.

Environmental Benefits

Reducing waste is not only economically beneficial but also environmentally friendly.
With less material being discarded, the environmental footprint of production processes is minimized.
This shift is especially crucial for companies invested in sustainable practices and reducing carbon emissions.

Improved Production Efficiency

The removal of runners simplifies the injection molding process.
With fewer components to remove and manage, cycle times are reduced.
This means molds can be filled and emptied more quickly, accelerating the overall production cycle and improving throughput.

Key Factors to Consider

When implementing a gateless structure in prototype resin molds, certain factors must be carefully considered to ensure successful outcomes.

Mold Design

The design of the mold is critical in a gateless structure setup.
Engineers must ensure that the resin flows evenly into the mold cavities without runners.
This requires precise calculation and simulation to prevent defects in the final product.

Material Selection

Not all resins may be suitable for gateless mold designs.
Selecting the right type of resin that can be evenly distributed without runners is vital.
The material should also adhere well to the mold and produce the desired physical properties in the end product.

Molding Equipment

Using the right molding equipment is essential.
The machinery must be capable of delivering efficient and consistent resin flow without traditional channels, demanding advanced technology and controls.

Industries Benefiting from Gateless Structures

Several industries stand to gain massively from adopting gateless structures in their prototype resin molds.

Automotive Industry

The automotive sector often relies on plastic components for weight reduction and cost savings.
Using gateless structures can help in producing high-quality parts with minimal waste, thus enhancing productivity and sustainability.

Consumer Electronics

With the ever-growing demand for sleek and compact electronic gadgets, manufacturers appreciate the precision and efficiency offered by gateless mold designs.
These structures help in minimizing waste and enhancing the quality of the electronics’ housings and components.

Medical Devices

Medical device manufacturers require high-quality and precision parts.
The use of gateless structures in molding processes allows for the production of critical components with increased efficiency and reduced contamination risks due to minimized material removal processes.

The Future of Prototype Resin Molding

As industries lean more towards environmentally friendly practices and cost-effectiveness, the use of gateless structures in prototype resin molds is likely to grow.
Improvements in materials sciences and molding technology will further refine this approach, making it more accessible and standard across various sectors.
Ultimately, this innovative design concept promises to transform manufacturing by reducing waste and boosting overall efficiency.

ノウハウ集ダウンロード

製造業の課題解決に役立つ、充実した資料集を今すぐダウンロード!
実用的なガイドや、製造業に特化した最新のノウハウを豊富にご用意しています。
あなたのビジネスを次のステージへ引き上げるための情報がここにあります。

NEWJI DX

製造業に特化したデジタルトランスフォーメーション(DX)の実現を目指す請負開発型のコンサルティングサービスです。AI、iPaaS、および先端の技術を駆使して、製造プロセスの効率化、業務効率化、チームワーク強化、コスト削減、品質向上を実現します。このサービスは、製造業の課題を深く理解し、それに対する最適なデジタルソリューションを提供することで、企業が持続的な成長とイノベーションを達成できるようサポートします。

製造業ニュース解説

製造業、主に購買・調達部門にお勤めの方々に向けた情報を配信しております。
新任の方やベテランの方、管理職を対象とした幅広いコンテンツをご用意しております。

お問い合わせ

コストダウンが重要だと分かっていても、 「何から手を付けるべきか分からない」「現場で止まってしまう」 そんな声を多く伺います。
貴社の調達・受発注・原価構造を整理し、 どこに改善余地があるのか、どこから着手すべきかを 一緒に整理するご相談を承っています。 まずは現状のお悩みをお聞かせください。

You cannot copy content of this page