[VA Case] 36 Hexagonal Cold Forging Hole Drilling Penetration

Reduction of cutting time and production optimization! We have suggested suitable procurement methods and processing methods and conducted a review.

Currently, in Japan, we are using cold forging (header) only for the external shape, and then performing drilling and external processing with a CNC chuck. There have been differences in the inner diameter hole sizes, requiring setup changes each time. The inner diameter hole processing takes the most time in the machining process, resulting in lost processing time. Due to changes in processing methods and a global increase in steel prices, we have implemented a switch to regions with cheaper materials. After improvements, we achieved a 20% reduction in material costs and increased production efficiency for small lots of various products by using dedicated drilling for the holes, ensuring the stock of blank materials. Overall, we were able to reduce total costs by 25% to 35% (according to our estimates). [Focus Points] ■ Surge in steel prices ■ Reduction in drilling time ■ Inadequate supply relative to costs based on size *For more details, please refer to the PDF document or feel free to contact us.

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