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Molding Product List

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Vacuum forming

Vacuum forming

Vacuum forming is an optimal molding method for small-batch, diverse production and large-scale plastic molding.

Vacuum forming and pressure forming methods have a higher unit cost compared to injection molding, which is representative of plastic molding. However, the molds for vacuum forming only require one type of either concave or convex, unlike injection molding or sheet metal pressing, and often can be made from inexpensive resin molds instead of metal molds. This results in lower costs and shorter production times. The cost of the forming molds is about 1/6 to 1/10 that of injection molding molds, making it very effective for small lot production, short delivery times, and especially for large products.

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Technical Information: Hot Press Molding

Technical Information: Hot Press Molding

Good transparency, uniform thickness, and can be molded with a wooden mold! The pressing pressure can be partially adjusted.

Hot press molding involves heating resin sheets to soften them, using male and female molds, applying pressure with a press machine, and cooling them to solidify in the same shape, maintaining the shape at room temperature. Since molding is done using male and female molds without fixing the sheet, it allows for a more uniform thickness of the molded products compared to vacuum forming. Additionally, in most cases, molding can be done with inexpensive wooden molds. Therefore, it is suitable for small to medium lot production. 【Features】 ■ Can mold three-dimensional integrated products like vacuum forming ■ Uniform thickness with less variation compared to vacuum forming ■ Less prone to mold marks, suitable for transparent resins ■ Can be molded with inexpensive wooden molds instead of expensive metal molds *For more details, please refer to the related links or feel free to contact us.

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Technical Information: Free Blow Molding

Technical Information: Free Blow Molding

Ideal for applications where appearance is important! Due to the absence of mold marks, there is a high demand for transparency.

Free-blow molding is a method that inflates a softened material using air after heating. A benefit is that the spherical part does not come into contact with the mold, so there are no mold marks. Because there are no mold marks, there is a high demand for transparency, and materials with high transparency, such as acrylic and polycarbonate, are often used. Additionally, since the material is heated and softened before being stretched with air, the center part becomes particularly thin. While this varies depending on the type of resin, thickness, diameter, and height, the apex of the dome, which becomes especially thin, is about half the thickness of the sheet. 【Molding Process】 1. Heat the material to soften it 2. Clamp and send air 3. Inflate with air 4. Trim after cooling *For more details, please refer to the related links or feel free to contact us.

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[Technical Proposal Example] Transitioning from R bending processing to vacuum forming to achieve weight reduction.

[Technical Proposal Example] Transitioning from R bending processing to vacuum forming to achieve weight reduction.

A case where significant weight reduction can be expected due to thinning.

We would like to introduce a case where weight reduction was achieved by switching from R bending processing to vacuum forming. In R bending processing, a product thickness of 3mm or more is required to ensure rigidity. If the product thickness is less than 3mm, it may not provide sufficient rigidity depending on the application. In such cases, we recommend transitioning to vacuum forming. Even with a thickness of less than 3mm, it is possible to maintain strength by incorporating steps or recesses, enabling further thinning and weight reduction. 【Case Overview】 ■Issue: R bending processing requires a product thickness of 3mm or more to ensure rigidity. ■Countermeasure: Recommend transitioning to vacuum forming. ■Effects: - It is possible to maintain strength by incorporating steps or recesses. - Achievable further thinning and weight reduction. *For more details, please refer to the related links or feel free to contact us.

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