What is vacuum forming? [Introducing features, precautions, and examples!]

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last updated：Mar 31, 2023

サトウパック

Official site

Active as parts and functional components! Resin molds can also be selected, flexibly accommodating cost and delivery time.

When it comes to "vacuum forming," many people may think of packaging materials such as component trays and blister packs, but a wide range of industrial parts and products are also produced using vacuum forming. Items that were thought to be only manufacturable through injection molding, which requires expensive molds, can sometimes be made with vacuum forming using low-cost molds. Additionally, taking advantage of the ability to mold thermoplastic resin sheets into various shapes, it is also utilized for product protection covers, manufacturing auxiliary parts in industrial processes, and manufacturing jigs. 【Features】 ■ Suitable for small lot and diverse production ■ Excels in large and thin-walled molding ■ Material selection for molds is possible ■ Easy selection of materials *For more details, please refer to the PDF document or feel free to contact us.

Related Link - http://satopack.jp/vacuumforming/

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basic information

【Points to Note】 <1. Post-Molding Processing Required> ■ Unlike injection molding, post-molding finishing, press cutting, and trimming processing are required, which may impose constraints on the shape. ■ Material loss of about 20% occurs, resulting in a higher material ratio. <2. Variability in Wall Thickness> ■ Unlike injection molding, which uses cavity and core molds, molding is done with a single convex or concave mold, leading to areas of uneven or thin wall thickness depending on the shape and design. *For more details, please refer to the PDF document or feel free to contact us.

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Applications/Examples of results

【Usage】 ■ As components and functional parts ■ As product protection and manufacturing auxiliary parts *For more details, please refer to the PDF document or feel free to contact us.

Detailed information

Resin type
Aluminum mold
[Example] Cover for electronic components This is a cover for the functional part of water-related electrical appliances. It protects the functional part from water droplets caused by condensation and other factors.
[Example] Dust Cover Prevents dust and other particles from entering the functional parts. Vacuum-formed products are working behind the scenes.
[Example] Condensation Prevention Insulation Material It is made from vacuum-formed polyethylene foam sheets. The car air conditioning drain pan area is covered with insulation material.
[Example] Pipe Cover A polyethylene foam sheet + adhesive + poly separator is vacuum formed to create the shape. It is used as insulation for pipes to prevent freezing and condensation in snowy regions.
[Example] Masking cover during painting Since it is a masking cover with the same shape as the part, it can reliably cover the part.
[Example] Bumper Painting Masking Cover By vacuum forming the shape of only the necessary parts, it ensures that only the required areas are masked effectively.
[Example] Scratch Prevention Cover The outer side is made of polypropylene (PP), and the inner side is a scratch prevention cover vacuum-formed from PP foam sheet.