Achieving mixed production of various products with one M/C machine, a line bar that contributes to reducing capital investment.
The Crescent Line Bar is composed of an unbalanced main body shape and a special guide pad arrangement. The centrifugal force generated during rotation controls the pressing pressure of the guide pads. By utilizing the holes at both ends of the crank hole as guide holes, it eliminates the need for support bushes in the fixture, enabling processing on a machining center. This achieves "investment reduction" and "mixed production of various types."
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basic information
Target Process: Cylinder Block Crank Hole Finishing (*1) Set Diameter: φ65～ Standard Conditions: Cutting Speed: V = 200m/min or less (*2) Coaxiality: Within 10μm Notes: *1 A separate finishing tool for both ends of the crank hole journal is required. *2 The limit of rotational speed varies depending on the processing diameter and tool length.
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Applications/Examples of results
For finishing the crank holes of a cylinder block using a machining center.
Detailed information
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No need for expensive jigs and dedicated processing machines. It is possible to reduce capital investment by approximately 60%.
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By applying the guide to the support hole using centrifugal force and cutting resistance, the tool center is aligned with the support hole. Achieve machining accuracy equivalent to that of dedicated equipment in a machining center.
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The floating function accommodates misalignment of support holes caused by workpiece inversion in both the parallel and tilt directions.
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Company information
Fujiseiko was founded in 1958 with the aspiration of "creating the finest precision tools in Japan (Fujiseiko)," following the German Meister system. Since then, we have contributed to the development of the industrial sector and local communities, albeit modestly, through our manufacturing in the field of precision tools. As a total engineering company that supports all aspects of work related to manufacturing sites to solve our customers' problems, we contribute to the advancement of manufacturing environments. While our main products and services are targeted at customers involved in metal parts processing, in recent years we have expanded our products and services using the technology and know-how we have cultivated for parts used in electrified vehicles (EVs, HEVs). - We propose solutions using our accumulated technology to address the unique needs and challenges of each customer. - We realize advanced manufacturing techniques and high-quality production through the fusion of the latest technology and skilled craftsmanship. - We carefully select and propose the best products from around the world, not limited to our own offerings. - We provide prompt support by being close to our customers' factories around the globe.