A comparison before and after the application of "sandblasting" and "grit blasting" was conducted on the test piece.
Our company owns a manual blast facility with dimensions of 6m in width, 10m in depth, and 3m in height, which can accommodate the construction of complex fabricated products. This facility can be applied to various purposes, including surface preparation before anti-corrosion treatment, paint stripping of maintenance items, removal of oxidation 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. Our company differentiates between sandblasting and grit blasting, taking into account the size and material of the workpiece, recommended surface roughness, and whether masking is required. By leveraging the characteristics of each method and performing optimal processing, we achieve high-quality finishes. Harada Ironworks Hiroshima Official Link
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basic information
【Anti-Corrosion 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 demonstrate its full potential without complete surface preparation, making shot blasting indispensable. Our "shot blasting" has been the focus of research and development in our anti-corrosion department for many years. For can manufacturing, blasting, and painting, please leave it to us. Harada Iron Works 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." That is what Harada Iron Works is here for. We provide a consistent production service from material procurement to painting and installation to meet various customer needs, helping to shorten delivery times and reduce total costs. 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 differentiating between the interior and exterior surfaces. |
| In-house manufactured blast machine | The grid uses iron, and the sand uses non-metallic grinding materials. The grid is harder, resulting in greater surface roughness and reduced 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 grinding 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, excellent 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, and we possess solid technology and equipment as a "rust prevention department," also handling tasks such as paint stripping. Please feel free to contact us with any inquiries.