We would like to introduce a case of a large frame assembly produced by Mitsuya Co., Ltd.
This product consists of two types of channel steel and four types of angle steel combined with a steel plate frame, assembled with maintenance covers and maintenance doors made from 1.2t steel plates. Since there are no photos of just the frame, I hope you can check the shape in the 3D diagram. The frame is a large structure welded together from 15 pieces of two types of channel steel, 22 pieces of four types of angle steel, as well as lifting ring plates made from 19t material, base plates made from 9t material, and 31 pieces of steel plates in 12 types made from 1.6t, 2.3t, and 6t materials. The 1.6t material is used for the oil pan incorporated into the frame, the 2.3t material is for device brackets, and the 6t material is for reinforcement and brackets for attaching parts. After welding the frame, taps for fixing the maintenance covers and doors, as well as taps and holes for attaching other equipment and brackets, are processed manually on the inner and outer surfaces. If a five-sided machining machine were available, processing the outer taps would be easier, but to ensure the horizontal and vertical alignment of the maintenance covers, doors, and the frame, we manually process the taps and holes using gauge plates after aligning the actual products. Therefore, we have also produced nine gauge plates.
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basic information
For the maintenance door, a two-part pipe hinge is used. The gaps between the doors and the gap with the maintenance cover are welded in place to ensure they are as even as possible. Due to the product height of 2600mm, a wing truck cannot be used for transportation. By removing the maintenance cover and maintenance door from the frame without assembly and packaging them separately, it is possible to lay the frame down and load it onto a wing truck. However, this poses a risk of damage to the separately packaged maintenance cover and maintenance door due to vibrations during transport, and there is also a risk of deformation or damage to the pipe hinges welded to the frame. Therefore, we chartered a flatbed truck for loading. Although the loading volume for this product alone is only about one-third of the truck bed, fortunately, another product is scheduled for delivery soon, and it was planned to be shipped together. By loading the other product as well, we reduced the overall transportation costs.
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Applications/Examples of results
Mitsuya Co., Ltd. has a wealth of experience in producing various sizes of frame supports and a complete set of accessories. By placing an order for a complete set, we can manufacture covers tailored to the frame supports and deliver them to customers in an assembled state, which has earned us high praise for quality from our clients. If you have any concerns regarding frame supports or related issues, please feel free to consult Mitsuya Co., Ltd.
Company information
We were founded as a company that handles everything from design to installation of safety covers for dedicated work machines in-house. Currently, based on the technology and knowledge cultivated within this field, we provide a wide variety of sheet metal products, can manufacturing products, machined products, painting, and plating in total collaboration with partner companies, in addition to safety covers. Our in-house design utilizes 3D CAD, which has received positive feedback for being easy to understand when we ask customers to confirm specifications. We specialize in small-lot production of various types, and we strive for continuous technical improvement to respond to customer needs, including short delivery times, quality enhancement, and cost reduction through value analysis proposals.
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