[Introduction to Sheet Metal Processing Technology] A method for positioning half punches without exposing them on the surface.
A method for achieving a flat appearance by not allowing half punches to show on the surface.
Half punches are a machining method used for positioning during the joining of other parts. Generally, a depression is made on the surface to serve as a marker. What methods are available for positioning without compromising the appearance?
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basic information
The front of machines and equipment often has strong aesthetic elements, and there are many cases where spot marks and unevenness on the surface are undesirable. For example, in the case of a cabinet door, it is common to spot weld reinforcement plates on the back, and the positioning of these plates often employs the "half punch" method. This method offers advantages such as greater dimensional accuracy compared to methods using punches (marking) or jigs, and it is less affected by the skill level of the workers. However, a disadvantage of using a standard half punch is that it can create dents on the surface. If left as is, it cannot meet the aesthetic requirements for the finished surface, so methods such as filling the welds to create a uniform surface or using putty treatment to achieve uniformity are employed to finish the appearance. Naturally, this increases manufacturing costs, which becomes a significant drawback.
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The mold we use, known as the "FP mold," retains the advantages of half punches as positioning tools while eliminating the disadvantage of surface dents, allowing for the molding of half punches without these issues. While there may be some minor draw marks on the surface, they can be leveled out with minimal effort, and this can be managed with a slight increase in cost. Additionally, it prevents human error during welding or when filling with putty. However, it is not suitable for processing materials like SUS or aluminum, or for both sides of a surface, and is specifically used for certain items like iron decorative covers. Our goal is to combine optimal processing methods that cater to customer needs, whether they prioritize aesthetic appearance or not, and to propose a system in the design and CAM processes that meets both cost and quality requirements.
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Since our establishment in 1964, we have been designing and manufacturing custom lockers, office furniture, and steel furniture for over half a century. We excel in collaborating with customers from the design stage, providing products through OEM and ODM, and creating made-to-order lockers. Our strengths lie in our extensive design know-how and processing achievements, allowing us to achieve consistent production and completion in-house due to our knowledge of sheet metal and abundant equipment. The original lockers developed from our experience vary widely and possess unique characteristics that differ from other companies' catalog products, including usability, durability, and design. Our unique product range, including valuable item lockers, smart lockers, sports lockers, work lockers, and mailboxes, is a confident creation that aggregates feedback from our customers. We can provide not only standard products but also customized made-to-order items in various sizes and colors quickly and at low prices, thanks to our in-house design, sheet metal processing, painting, assembly, and production system, along with our quality assurance system. Additionally, our production management system and the manufacturing network in Higashi-Osaka enable us to realize products that include components beyond sheet metal. By becoming your partner with our ISO-certified management system, we can assist in product development and sales expansion.