A comparison of the "sandblast" and "grit blast" processes before and after on the test piece was conducted.
Our company owns a manual blast facility with dimensions of 6m in width, 10m in depth, and 3m in height, which can accommodate the processing of complex fabricated products. This facility can be applied to various purposes, including surface preparation before anti-corrosion treatment, paint stripping for maintenance items, removal of oxide films after heat treatment, and improving adhesion through increased surface area. We used SS400 products as test pieces and verified the results by changing only the abrasive material while using the same equipment and air pressure. For grit blasting, we used IKK steel grit TGE-100, and for sandblasting, we used NeoBlast G-1. The results were as expected, with both methods effectively removing scale and rust. However, there were clear differences in surface roughness and appearance. Grit blasting resulted in a slightly rougher surface, while sandblasting produced a somewhat dull finish. At our company, we differentiate between sandblasting and grit blasting based on the size and material of the workpieces, recommended surface roughness, and whether masking is required. By utilizing the characteristics of each method and performing optimal processing, we achieve high-quality finishes. Harada Iron Works Hiroshima Official Link
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basic information
【Rust Prevention Department】 Metals naturally rust in the atmosphere and in water, which not only detracts from the appearance of products but also adversely affects the performance of the metal in various ways. In recent years, significant advancements in technology have led to the development of highly durable coatings. One essential process that is always performed as a surface treatment for these coatings is "shot blasting." No matter how durable the coating is, it cannot fully demonstrate its capabilities without complete surface preparation, making shot blasting indispensable. Our "shot blasting" has been the focus of research and development in our Rust Prevention Department for many years. For can manufacturing, blasting, and painting, please leave it to us. Harada Ironworks Co., Ltd. TEL: 082-232-2445 FAX: 082-293-0286 Email: bousei@harada-tekkou.co.jp
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We respond to our customers' troubles and turn them into positives. From "nothing" to "something." Creating "one-of-a-kind" products instead of "mass production." This is what Harada Iron Works is here for. We provide a consistent production service from material procurement to painting and installation, helping to shorten delivery times and reduce total costs to meet various customer needs. With over 70 years of experience, we are committed to providing even higher added value to our products through the skills and know-how we have honed over the years. If you have any inquiries regarding production or painting, please feel free to contact us. We look forward to hearing from you.
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| Model number | overview |
|---|---|
| Tank (In-house integrated construction) | [Product Information] Capacity 30㎥ Weight approximately 4t Coated with waterproof paint to hold water inside, ensuring aesthetics and practicality by distinguishing between the inner and outer surfaces. |
| In-house manufactured blast machine | The grid uses iron, and the sand uses non-metallic abrasive materials. The grid is harder, resulting in greater surface roughness and shorter construction time, making it suitable for large fabricated products and paint stripping. Conversely, the sand is softer than the grid, resulting in less surface roughness and minimal deformation for thin materials. Additionally, since it uses non-metallic abrasive materials, it can be used even if the product is non-metallic. *For more details, please contact us. |
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Company information
Our company manufactures products tailored to the diverse needs of various sites. We respond to customer requests with our capabilities, advantageous location, and thorough quality and delivery management. You can trust us with everything from material ordering to can manufacturing, processing, surface preparation, and painting. Additionally, we have dedicated many years to research and development in rust prevention, establishing a solid technology and facilities as a "rust prevention department," and we also perform tasks such as paint stripping. Please feel free to contact us with any requests.