Composite processing of round and square holes | Confirming the positions of the holes relative to each other
Even components with different construction methods for each hole will be considered based on common standards and processing sequences.
This is a contract processing service by Hanshin Seiko. For parts that have a mix of round holes, square holes, and irregular holes, we not only check the hole dimensions but also the positional relationships between them, and consider the entire processing process for the parts. If there are tolerances in the spacing between round and square holes, it is important to transfer the reference surfaces and reference holes for each process. We choose methods according to the shape and requirements, ranging from wire cutting, fine hole discharge, machining, to shape engraving discharge. Not all processes are carried out uniformly. The image is a processing concept that explains the shape.
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basic information
Considerations for machining such as round holes, recesses, and tapped holes. Considerations for small diameter holes, deep holes, and starting holes such as fine hole discharge. Considerations for through square holes and irregular holes such as wire cutting. Considerations for bottomed square holes and concave shapes such as shape engraving discharge and cutting. We will confirm material, heat treatment, plate thickness, hole diameter and depth, inner corner radius, through/stop holes, hole spacing, machining standards, tolerances, and surface roughness. Please also inform us of any gaps and corner shapes with the corresponding parts.
Price information
We will check the overall drawing of the parts, the machining range, the positional relationship between the holes, the quantity, and the condition of the supplied items to provide an individual estimate.
Delivery Time
※We will confirm the drawings, necessary processes, quantities, condition of materials and supplied items, and desired delivery date, and provide guidance.
Applications/Examples of results
[Example of Processing Consultation] Parts that require round and square holes to be made with the same reference, parts that combine cutting and discharge machining, and parts where the positional relationship of multiple irregular holes is important. This is a processing proposal that considers the process from the drawings rather than specific production achievements. For special contours, please consult us with both the PDF drawings and CAD data.
Company information
Hansei Seiko Co., Ltd. is a precision metal processing company founded in 1948, based in Kobe City, Hyogo Prefecture. We offer integrated processing services centered around wire cut electrical discharge machining, shape electrical discharge machining, and fine hole electrical discharge machining, as well as machining, polishing, finishing, and measurement. We welcome inquiries for precision parts, mold components, jigs, test pieces, and more, whether for single items, prototypes, or small lots. In addition to processing hardened steel, carbide, and stainless steel, we also handle contour machining of thick parts, key grooves, fine slits, and complex shapes. We confirm material, shape, required precision, and application, and consider processing conditions and processes. This reduces the burden of arranging multiple processing locations and supports part manufacturing. Based on the principle of "making according to the drawings," we conduct inspections and measurements in-house to confirm the finish before shipping. Based in Kobe and Hyogo, we accept processing inquiries and quotation requests from across the country. If you have parts you are struggling to process or drawings for which you would like to consider methods and processes, please feel free to consult with us. https://www.hansei.co.jp/


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