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Can a product made by vacuum casting be used as a product?

Home » Web活用経営(株)ブログ » スタッフブログ » Can a product made by vacuum casting be used as a product?

Vacuum casting is known as a prototype method for plastic products. However, the other day, one of our customers mass-produced 50 plastic products using casting. Is vacuum casting used not only for prototyping but also for mass production of small lots of plastic products? After investigating, in conclusion, it seems that it is used as long as the conditions are met.

(The photograph is an image)

Vacuum casting is a molding method in which resin is poured into a mold in a tank close to vacuum to duplicate the resin product. Casting molds include silicone molds and resin molds, and casting resins include urethane-based and epoxy-based thermosetting resins. Since thermoplastic resin is used in injection molding, which is a mass production method, the physical characteristics of the material are different from those of vacuum casting.

Vacuum-cast products used to turn yellow after a few months, but with the evolution of materials, vacuum-cast products are sometimes used as mass-produced products (products used by consumers). In particular, it meets the needs of small lots of plastic products.

Precautions when making products by vacuum casting

  1. Since it is sensitive to heat and ultraviolet rays, it is not suitable for moving parts or those used outdoors, but it can also be painted to increase its strength and weather resistance.
  2. In the case of plastic products used for medical purposes, heat resistance is required if sterility is required, but the resin material that can be used for vacuum casting has a heat resistance temperature of up to about 90 ° C. (There are various types of sterility, so it is necessary to consider the heat resistant temperature.)
  3. The durability of the mold used for vacuum casting is about 20 pieces. For example, if you want to manufacture 100 pieces, you need to make multiple molds.

In this way, vacuum casting is also used for manufacturing small lots of plastic products, but other methods include microwave molding (no mold required) that uses the production material for resin molding, and simple molds for resin molding. There is a small lot construction method such as using. I also want to develop a product someday!

In our manufacturing homepage production, we will propose a web strategy that understands the technological world of our customers and develops people who need it. Click here for manufacturing website production and SEO .

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