Supports the machining of internal gears on heat-treated cast steel parts. We process specified shapes into the hard tooth areas, taking into account the tooth profile, spacing, and positional relationship with the center.
At Hanshin Seiko, we are considering using wire cut electrical discharge machining for the processing of internal gears and additional machining on hardened parts. The case presented involves the machining of internal gear tooth profiles on the inner circumference of cast steel parts. The tooth areas to be processed have been hardened, and it was required to machine the specified tooth profile on these hard sections. In addition to the material, we confirm the heat treatment condition of the processing area to select the appropriate machining method. We consider not only the individual tooth profiles but also the spacing between the teeth and their positional relationship with the center, setting the machining path according to the requirements of the drawings. We welcome inquiries such as "I want to perform additional machining on hardened parts" or "I want to machine internal gear shapes on hard sections." Please provide us with the drawings along with details on material, heat treatment content, hardness, machining dimensions, tooth profile specifications, required precision, quantity, and desired delivery date.
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basic information
【Processing Conditions for Case Studies】 Material: Cast Steel Condition of the Processed Area: Hardening on the tooth section Processing Method: Wire Cut Electrical Discharge Machining Processing Content: Tooth profile machining of an internal gear on the inner circumference of the part Considerations: Hardness of the processed area, specified tooth profile, tooth spacing, positional relationship with the center, processing path *Specific values for the material type, hardness, dimensions, number of teeth, and tolerances for cast steel are not mentioned in the article. The feasibility of processing and corresponding accuracy will be provided upon reviewing the drawings and heat treatment condition.
Price information
This is an individual estimate for each drawing. We will confirm the material, heat treatment condition, hardness, processing dimensions, tooth shape specifications, required tolerances, quantity, and setup conditions before providing the estimate.
Delivery Time
Applications/Examples of results
【Processing Achievements】 This is an example of forming the tooth profile of an internal gear on the inner circumference of a cast steel part that has been hardened. 【Processing Services Available】 - Internal gear processing for hardened parts - Internal tooth shape processing for hard areas - Additional processing for parts after heat treatment - Tooth profile processing considering the spacing and positional relationship with the center *This is not the sale of standard gears, but a contract processing service based on drawings.*
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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