Before creating a custom brooch | Comparing individual processing of key grooves and internal splines
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We will introduce technical information that is helpful for considering processing methods. When manufacturing key grooves or internal splines in small quantities or as single pieces, preparing a dedicated broach can pose challenges in terms of cost and delivery time. If a through shape that allows for wire passage is possible, wire cutting may be a viable option. However, it is not always the case that one method is advantageous over the other. We will compare the distinctions between through and bottomed shapes, inner corner radii, tolerances, materials and heat treatment, quantities, and existing processes. The original article from Hanshin Seiko organizes the points to consider when evaluating alternatives to broaching. Please consult us along with the overall and cross-sectional drawings of the parts and any current issues you are facing.
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This introduces a comparison of construction methods for key grooves and internal splines, as well as points to check when consulting on drawings.




