Roundness within 5μ! Introducing examples of machining processes for 3.5-inch HDD components!
We would like to introduce an example of deep drawing processing for 3.5-inch HDD parts. At Koike Seiko, we focus on products made through precision blanking, and among them, we manufacture various products utilizing deep drawing technology, primarily for motor-related parts, OA-related parts, home appliance-related parts, and low-voltage-related parts. 【Example】 ■Product Name: ROTOR YOKE (BACK YOKE) ■Final Part: 3.5-inch HDD part ■Material: SPCC ■Processing Details: Deep drawing ■Product Specifications: Roundness 5μ or less, coaxiality 10μ or less, rotor balance 10mg/cm or less *For more details, please refer to the PDF document or feel free to contact us.
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At Koike Seiko Co., Ltd., we focus on products made through precision press processing, particularly manufacturing motor-related parts, OA-related parts, home appliance-related parts, and low-voltage-related parts using our expertise in drawing processing technology. Additionally, Koike Seiko's precision molds are crafted with a passion for manufacturing, a pursuit of accuracy, and accumulated know-how. To provide our customers with safety and trust, we promote the stabilization of high quality and propose total solutions from the process to meet various needs.


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