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Points to consider when designing plastic products

Points to consider when designing plastic products

"How steep should the slope be?" and "Is it necessary to install ribs?" Here are the key points!

Here are some points to consider when designing a product. Starting with "Where should the parting line (PL/top, bottom, left, right separation line) be placed?", there are also considerations such as "What should the draft angle be?" and "Is it necessary to install ribs?" Additionally, it is important to minimize undercuts (such as side holes or recesses) that could cause interference with the opening and closing direction of the mold. 【Key Points for Product Design (Excerpt)】 ■ Where should the parting line (PL/top, bottom, left, right separation line) be placed? ■ What should the draft angle be? (To facilitate removal from the mold) ■ What is the wall thickness of the main wall? (To ensure strength and rigidity) ⇔ Risk of sink marks and extended cycle time ■ Is it necessary to install ribs? (To provide reinforcement and rigidity) ⇔ The relationship with the main wall is important *For more details, please refer to the PDF document or feel free to contact us.

  • plastic

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Example: [Plastic / Two-color molding] Color separation (design aspect) / Thick-walled molding

Example: [Plastic / Two-color molding] Color separation (design aspect) / Thick-walled molding

Multicolor, transparent, and thick transparent! By using two different resins, the design possibilities expand.

We would like to introduce our two-color molding technology case study on "Color Separation (Design) / Thickness Molding." By using two different resins, we can expand the design possibilities, such as in the dial buttons of home phones, color separation of exterior panels, and illuminated text in vehicle window control switches, among others. Additionally, by performing two-color molding with the same resin, we can achieve molded products with minimal shrinkage and distortion. 【Product Application Examples】 ■ Vehicle Window Control ■ Transparent Thick Acrylic Parts *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing

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Example: [Plastic / Two-color molding] Decoration (In-mold)

Example: [Plastic / Two-color molding] Decoration (In-mold)

On the exterior panel of mobile phones! The film adheres to the resin within the mold, allowing for the omission of painting or printing in the secondary process.

We would like to introduce our two-color molding technology case study, "Decoration (In-Mold)." By inserting a film printed with a design inside the mold during the two-color molding process, the film adheres closely to the resin within the mold, allowing for the omission of painting or printing in the secondary process. Additionally, by using a film that has UV (ultraviolet) curing capabilities, we can achieve a surface hardness that is resistant to scratches by irradiating it with UV light after molding. [Product Application Example] ■ Mobile phone exterior panel *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing

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Example: [Plastic / Two-color molding] Slippery (water-soluble resin)

Example: [Plastic / Two-color molding] Slippery (water-soluble resin)

It is a special resin, but it is a two-color molded part using a resin that dissolves in water or hot water!

We would like to introduce our two-color molding technology case study, "Slippery (Water-Soluble Resin)." This is a special resin, and it utilizes a resin that dissolves in water or hot water for two-color molded parts. Similar to the smoother part of a razor, it becomes slippery when water adheres to it. By using water-soluble resin, we can reduce the friction resistance against the skin. Additionally, by creating molded products using a special water-soluble resin that dissolves at temperatures close to the boiling point of 100°C, we can produce molded items with bag-shaped spaces that cannot be machined through secondary processing by soaking them in hot water for a certain period after molding. 【Product Application Examples】 ■ Smoother for razor blade parts ■ Air valve mechanism components *For more details, please refer to the PDF document or feel free to contact us.

  • Contract manufacturing

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Example: [Plastic / Two-color molding] Sealing / Tightness / Sealability

Example: [Plastic / Two-color molding] Sealing / Tightness / Sealability

The assembly process is eliminated, allowing for integrated molding through two-color molding with rigid resin, which can reduce costs.

Our company is a manufacturer of plastic parts molding. On this page, we will introduce the two-color molding technology production case for "sealing/sealability." By performing two-color molding with a soft elastomer resin, we can eliminate the assembly process of sealing material gaskets that was previously done in a separate step. This allows for integrated molding with rigid resin, leading to cost reduction. Furthermore, by reducing processing variations, we can improve productivity and stabilize quality. Additionally, by designing shapes creatively, the flexibility of the elastomer can conform to complex shapes, such as curved surfaces of counterpart parts, filling gaps to achieve waterproof and dustproof properties. [Product Application Examples] ■ Printer ink tank caps ■ Streamlining components for automotive windshields *For more details, please refer to the PDF materials or feel free to contact us.

  • Contract manufacturing

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[Technical Introduction] Utilization of Elastomer Materials - Transition from Rubber Materials -

[Technical Introduction] Utilization of Elastomer Materials - Transition from Rubber Materials -

Expected applications in various scenarios! It is a flexible thermoplastic material that is also recyclable.

In recent years, energy-saving and resource-saving measures have been required in manufacturing. Amid this, there is a growing transition to elastomer materials, which are often derived from rubber. These materials are elastic thermoplastics that are environmentally friendly due to their recyclability. They possess flexibility that can withstand repeated deformation and have a texture comparable to rubber. Additionally, they feature a sense of luxury and a pleasant touch, making them one of the materials expected to be applied in various situations as high-value-added components. Our company specializes in molding parts with these elastomer materials, which were previously thought to be impossible, and we excel in combining them with two-color (dual-color, multi-color, different materials) molding. There are various grades of elastomer materials available. Please feel free to contact us. *For more details, please refer to the PDF document or feel free to reach out to us.*

  • Processing Contract

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