永和工芸 List of Products and Services

We would like to introduce examples of mass production painting and small lot painting that our company has conducted. We have implemented mass production painting for fence fittings, motorcycle parts, and refrigerator-related components, as well as small lot painting for motor covers, lighting devices, and operation panels. We can deliver under your company name nationwide to your contracted clients. Please feel free to consult us regarding metal painting. 【Overview of Mass Production Painting Examples (Partial)】 ■ Fence fittings: 100x20x30mm ■ Motorcycle parts ・φ10x150mm (with bending) ・40x20x20mm ■ Refrigerator-related components: 200x30x60mm *For more details, please refer to the related links or feel free to contact us.

• Painting Machine
• Surface treatment contract service

When performing powder coating, there are several constraints in the manufacturing of the powder coating materials, which has led to the following drawbacks until now: ● Designated colors cannot be produced unless a demand of at least 150 kg of powder coating is anticipated. (Therefore, small lot painting is not possible.) ● Additionally, the production of designated colors requires a period of more than one month. (Thus, delivery times measured in days are not feasible.) With this situation, it has been difficult to adopt powder coating despite its advantages. We are advancing initiatives as part of our "new approach to powder coating," including: ● Utilizing a stock of over 2,000 colors based on the color card system from powder coating manufacturers. ● Collaborating with paint manufacturers capable of small-scale production of powder coatings, enabling designated color powder coating to be realized within one week, even for small lots. We have established a system that leverages the strengths of powder coating, such as the ability to achieve a thick film (approximately 50μ to 100μ) in one coat, minimal VOC emissions (almost zero during processing), and faster painting speed compared to solvent-based coatings.

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Our painting factory has three systems. We want to respond to our customers' requests in a detailed manner, and this system has been developed over approximately 50 years with that intention. (1) A system for painting single items and small lots (2) A system for mass production painting (3) A system for test painting Currently, we have three main types of painting equipment available, allowing us to paint from one item or one unit up to 10,000 items or 10,000 units. However, there are limitations regarding "size," "shape," and "weight." Please take a look at our company website first. We will propose the optimal specifications for "baked painting" according to your requests, including the painting specifications you designate, quality, performance, and budget (cost). There are various possibilities, such as cases where costs can be reduced by controlling material expenses, and cases where upgrading the material grade can shorten processes and achieve rationalization. Please feel free to consult with us.

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You can choose from spray painting, anionic electrodeposition coating, and cationic electrodeposition coating. Each method has its own advantages and disadvantages, so we will select the painting method according to the product. It is possible to maintain the characteristics of the material while offering a variety of colors, making it suitable as an alternative to plating and for products that require aesthetic appeal. Various expressions can be achieved through combinations, so please consult us first.

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Whether it is powder coating, solvent-based baked coating, or air-drying coating, the adhesion performance of the paint film and its corrosion resistance greatly depend on the pre-treatment methods that create a suitable condition for painting. In other words, simply removing oil and dirt does not create an ideal condition for painting. Pre-treatment refers to preparing the surface to be suitable for painting. One of the methods that provides excellent corrosion resistance and adhesion among pre-treatment processes is zinc phosphate coating. We regularly measure the concentration of the treatment solution to ensure stable quality.

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Since our establishment, Eiwa Kogei has introduced various equipment and devices as needed in response to our customers' requests. Equipment for stripping paint is one of them. In response to requests for repainting defective products or changing colors, we can strip the paint from products that have already been painted and repaint them. We perform stripping treatment in several patterns depending on the material and shape. First, please let us know the condition of the product you wish to strip. We will suggest the most suitable method.

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When high quality and adhesion are required for the painting of aluminum (die-cast) and zinc die-cast products, we adopt "chromate treatment," which is a pre-treatment for painting aluminum (zinc). By applying "chromate treatment" to aluminum materials and zinc die-cast products, which are considered difficult for paint to adhere to, we can impart "high adhesion" and "high corrosion resistance." These non-ferrous metal materials often encounter adhesion issues during painting. It is necessary to align the required quality and painting specifications during the design phase of the painting process.

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By applying zinc plating to the product, it can achieve high rust resistance and corrosion resistance. Furthermore, by applying chromate treatment to the zinc-plated surface, discoloration (whitening) of the zinc-plated surface can be suppressed and colored. This allows for a wide range of responses to the required corrosion resistance and aesthetic qualities when combined with painting.

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