High added value to plastic! Hot stamp plates and jigs.
Complex surfaces and 3D shapes can also sparkle!
Tujikawa's hot stamping plates for plastics enable foil stamping on resin products. Tujikawa also provides fixtures along with the plates, allowing for high precision and user-friendly plate and fixture specifications. These are used in various fields such as automotive emblems, front grilles, shift levers, cosmetic bottles, and cream jar containers. <Features> - Luxury feel: The metallic luster adds a sense of luxury to the product! - Process reduction: No need for processes such as masking and drying required for painting or plating! - Low environmental impact: Unlike painting or plating, it does not require chemicals, solvents, or solutions, thus reducing environmental burden. - Compact: No need for large equipment! Hot stamping machines can be as small as tabletop models. They can be introduced in a space-saving manner compared to painting or plating. - Diverse variations: With a rich variety of foils, it is possible to achieve various expressions beyond metallic textures, such as wood grain, leather, and scales! For more details, please download the PDF or feel free to contact us.
basic information
There are two main types of plates used for hot stamping processing on plastic molded products: Rubber plates Metal engraved plates **Features of engraved plates** ▶ High hardness (made from materials like brass and iron) ▶ High reproducibility of designs ▶ Ability to create a pressed-in appearance of designs ▶ Good thermal conductivity **Features of rubber plates** ▶ High adhesion to molded products, making decoration defects less likely ▶ (Does not require strong pressure) Printing surface does not get dented ▶ Does not damage molded products ▶ Can be reused by replacing the worn rubber **Features of Tsujikawa's jigs** ▶ Even without molded product data, the shape of the product can be digitized using a 3D scanner, allowing for the creation of plates and jigs from modeling data. ▶ Since they are produced in conjunction with hot stamping plates, accurate alignment and high precision can be achieved. ▶ With a diverse range of equipment and skilled technicians with extensive knowledge and experience, flexible design is possible, providing all processing in a one-stop solution.
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Applications/Examples of results
▷Automotive Parts Hot stamping is commonly used for both interior and exterior components. Not limited to obvious places like emblems, but also applied to details such as levers, meter rings, and pointer indicators (the needle of the meter), hot stamping can impart a sense of luxury and design that cannot be achieved with plastic molded products alone. Front grilles and front emblems, among others. ▷Cosmetic Containers Hot stamping is widely used in various places, from the outer paper packaging to the inner plastic bottles and tube containers. Cosmetic bottles and cream jar containers. ▷Others (Home Appliances, Fishing Gear, Pharmaceuticals, Amusement-related) Home Appliances: In addition to company logos and product names, button areas may also be hot stamped. Lures: Lures that sparkle and attract fish are often processed with hot stamping. There are even foils specifically for lures. Amusement-related: Hot stamping is frequently used in parts of pachinko machines and toys, among others.
Detailed information
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The photo is a brass engraving plate. It is made by cutting brass or iron. It is used not only for plastic molded products but also for hot stamping and debossing on materials such as paper, leather, nylon, and PP. Unlike rubber plates, it does not require a master mold (to be explained later) and is directly engraved on the plate surface, which allows for high reproducibility of designs. There are two types of shapes: flat engraving plates (hirachokuhan) and R-engraving plates (R-chokuhan) with rounded edges.
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R Sculpture Edition (Made of Brass) The "R" in "R Sculpture Edition" is an abbreviation for "Round," meaning "curved."
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Sculpture Flat Rubber Plate What is a rubber plate? It is most commonly used as a hot stamping plate for plastic molded products. The rubber is molded using a "master mold" that has a concave design, and it is thermally bonded to a "rubber base" made of metal such as aluminum, creating a relief plate. Plastic molded products made using injection molding (a molding technique where liquid resin is injected into a mold and solidified) can sometimes have depressions or distortions known as "shrinkage." These depressions are often not noticeable just by holding the product, but they can significantly affect the hot stamping process and lead to decoration defects. Rubber plates have higher cushioning properties compared to metal plates, which helps absorb such depressions and distortions, making it less likely for decoration defects to occur. Additionally, compared to foil stamping with metal, the stamped areas do not become depressed, which is another characteristic of rubber plates. If the printing surface of the plate wears out or deteriorates, it can be reused by replacing the heat-resistant rubber part. In this case, there is no cost for the rubber base or master mold.
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"R Rubber Plate" with R on the surface When the printing surface of a molded product has an R (is curved), we use plates such as R engraved plates or R rubber plates that have an R shape to conform to the printing surface. To create a plate that matches the shape of the molded product, 3D data of the molded product is required. However, if there is no data available, it is also possible to use equipment such as a 3D scanner to convert the molded product into 3D data and then create plates or jigs from that data. The technology of analyzing and reverse engineering such products to create design plans is also one of Tsujikawa's specialties.
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Data was taken from actual molded products (transparent plastic capsules) to create hot stamp plates and jigs.
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A jig is a general term for tools used to indicate and guide the working position of parts and tools during processing and assembly. It is used as an auxiliary tool to fix the workpiece, determine its position, and guide the processing. By using jigs, stable processing can be achieved, leading to improved quality and productivity. The jig that plays the role of receiving molded products during hot stamping processing is specifically referred to as a "receiving jig." During hot stamping, pressures ranging from hundreds of kilograms to tens of tons are applied to the molded products. These jigs are used to firmly absorb such pressures, fix the molded products, and efficiently align their positions. Tsujikawa not only handles decorative-related products such as hot stamping dies but also engages in various fields related to engraving, including machine parts and cutting dies. As a result, Tsujikawa possesses a wide variety of equipment, and the expertise of its engineers spans multiple specialties. The strength of Tsujikawa lies in its ability to provide a one-stop service for everything from design and 3D modeling data creation to all types of processing, including cutting and polishing. Additionally, in terms of materials, Tsujikawa can handle a wide range, from resins like Bakelite to metals such as aluminum and steel.
