Title:
CIRCULAR BAND SAW BLADE MANUFACTURING METHOD AND MANUFACTURING METHOD AND APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/235404
Kind Code:
A1
Abstract:
In a circularization step, both ends of a band saw blade (1) are welded together to form a circular shape, the band saw blade having a band-shaped body section (1a) and a toothed section (1b) including a plurality of teeth formed on one side of the body section. In a polishing step, an inner surface (14A), an outer surface (14B), and an edge surface (13) of the circularized circular band saw blade (1E) are polished, the edge surface being on the side opposite the toothed section. In a tooth tip forming step, after the polishing step, the circularized circular band saw blade is positioned using the edge surface and either the inner surface or the outer surface as references, cutting tips (15) are attached by welding to the tooth tips of the plurality of teeth, and the attached cutting tips are polished to form the tooth tip shapes.
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Inventors:
MAEDA KENSAKU (JP)
Application Number:
PCT/JP2019/021910
Publication Date:
December 12, 2019
Filing Date:
June 03, 2019
Export Citation:
Assignee:
AMADA HOLDINGS CO LTD (JP)
AMADA MACHINE TOOLS CO LTD (JP)
AMADA MACHINE TOOLS CO LTD (JP)
International Classes:
B23D63/12; B23D61/12; B23D65/00; B23P15/28
Foreign References:
| JPH0520822U | 1993-03-19 | |||
| JPH11188527A | 1999-07-13 | |||
| JPS6062409A | 1985-04-10 | |||
| JPS4894490U | 1973-11-10 | |||
| JPS58150453U | 1983-10-08 | |||
| EP0326325A2 | 1989-08-02 | |||
| JP2012035383A | 2012-02-23 | |||
| JP2013010170A | 2013-01-17 | |||
| JP2018110240A | 2018-07-12 |
Other References:
See also references of EP 3804894A4
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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