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  2. Rotary tools Specialized process products Crescent line bar (Fuji Seiko Co., Ltd.)
Rotary tools Specialized process products Crescent line bar-Crescent line bar
Rotary tools Specialized process products Crescent line bar-Fuji Seiko Co., Ltd.

Rotary tools Specialized process products Crescent line bar
Fuji Seiko Co., Ltd.

Fuji Seiko Co., Ltd.'s Response Status

Response Rate

100.0%

Response Time

29.4hours

Relatively Fast Response

About This Product

■No special machine or special jig required A revolution in crank hole finishing

Realizes multi-product mixed production with a single M/C machine. Line bars that help reduce capital investment ・Reducing capital investment by approximately 60% through machining center processing ・No need for expensive jigs ・Multi-product mixed production possible

■This is so exciting and amazing ── Introducing happy and amazing ideas and techniques ──

The Crescent Line Bar consists of an unbalanced body shape and a special guide pad arrangement. The centrifugal force generated during rotation controls the pressure on the guide pad. Since the holes at both ends of the crank hole are used as guide holes, there is no need for a jig support bush, allowing machining on a machining center. We will realize "investment reduction" and "multi-product mixed production". Development concept/product concept

■Current situation and issues

・The crank hole of the cylinder block is an important part in terms of product functionality, and coaxiality is strict. For this reason, construction methods that use "dedicated equipment," "dedicated support jigs," and "dedicated long line bars" are common. ・These facilities require expensive capital investment, making it difficult to handle mixed production of a wide variety of products.

■Development points

・The Crescent Line Bar has achieved an innovative construction method that uses the holes at both ends of the workpiece as reference guide holes to ensure machining accuracy on a machining center. It achieves processing accuracy equivalent to that of dedicated equipment and contributes to equipment investment reduction and high-mix, low-volume production. ・The product name comes from the fact that the main body is removed in a crescent shape to create an imbalance. *When finishing the cylinder block crank hole, a finishing tool for both end journals is required separately. *The limit of "cutting speed" will vary depending on the machining diameter and tool length.

  • Product

    Rotary tools Specialized process products Crescent line bar

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1 Models of Rotary tools Specialized process products Crescent line bar

Image Part Number Price (excluding tax) Setting diameter Standard conditions feed Standard conditions Cutting speed Target process Coaxiality
Rotary tools Specialized process products Crescent line bar-Part Number-Crescent line bar

Crescent line bar

Available upon quote

Φ65~

F=0.1mm/rev

V=200m/min or less

Cylinder block crank hole finish

Within 10µm

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About Company Handling This Product

Fuji Seiko Co., Ltd.

Response Rate

100.0%

Response Time

29.4hrs

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