High-precision line bars that continue to deepen with excellent manufacturing technology and reliable production.
The line bar is used for processing holes with strict coaxiality, such as the crank holes in cylinder blocks, using dedicated jigs. Fuji Seiko develops and provides line bars that meet customer needs as a special tool manufacturer. By consolidating rough and finishing processes, we contribute to "reduction of equipment investment," by implementing automatic correction mechanisms, we enhance "productivity," and through the super-hardening of the main body, we increase rigidity, thereby contributing to customer satisfaction from various angles. We develop line bars that utilize the technical elements cultivated in tool manufacturing, such as fine adjustment, high rigidity, and process consolidation, contributing to customer satisfaction in "increased productivity," "higher precision," and "reduction of equipment investment."
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basic information
Target Process: Deep holes such as crank holes (block) and cam holes (head) Setting Diameter: ø25～ Standard Conditions: Cutting Speed: V=200m/min Feed: f=0.1mm/rev Concentricity: Within 10µm
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Applications/Examples of results
Processing Example Workpiece: Cylinder Block (Crank Hole) Material: ADC12 Tool Diameter: ø55 +0.016/0 Cutting Conditions: Rotational Speed: N=1300 min-1 Cutting Speed: V=225 m/min Feed: f=0.1 mm/rev Coolant: Internal Lubrication Coaxiality: 7 µm Roundness: 5 µm
Detailed information
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Supports automatic diameter correction by the correction unit. The correction unit on the equipment side adjusts the correction by rotating the fine adjustment unit adjustment ring.
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Increased rigidity due to ultra-hardening of the main body. Suppression of deflection and high-precision processing. We propose the optimal shank material based on analysis.
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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.