Achieve high precision finishing of deep holes, tapers, and multi-step holes with precision machining of ±0.001mm and in-house production of grinding stone quills!
Amida Co., Ltd. has a total of six NC internal grinding machines manufactured by Okamoto Machine Tool and Izumi Metal Industry, allowing us to cover a wide range from small diameter holes of φ1.5 to large diameter holes of φ220. Utilizing a variety of chuck work and the unique dressing technology of sintered grinding wheels, we can accommodate complex internal shapes such as tapered holes, multi-step holes, and blind holes. By in-house manufacturing of grinding wheel quills and our design capabilities for dedicated jigs, we achieve stable dimensional accuracy even in mass production. 【Processing Menu】 ■ Straight internal grinding: φ1.5 to φ220 ■ Tapered hole grinding: up to 97° ■ Multi-step hole and step grinding: cylindricity 0.002 ■ Blind hole grinding: depth 170mm *For more details, please download the PDF or feel free to contact us.
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【Scope of Processing and Machining Accuracy】 ■ Supported Processing: Straight inner diameter grinding, taper hole grinding, multi-stage hole grinding, blind hole grinding, R・SR processing ■ Supported Inner Diameter: Minimum φ1.5 to 4.0mm, Maximum φ220mm (weight up to 25-30kg) ■ Hole Depth: Through hole 300mm (grinding on both sides), blind hole 170mm ■ Machining Accuracy: ±0.001mm, Cylindricity 0.002 (with side holes 0.005), Geometric tolerance sub-μm compatible ■ Surface Roughness: Ra0.075 (regular orders), Ra0.05 (achieved) ■ Taper Processing: Achievements up to 97° (compatible with morse taper holes, BT30/40 taper holes) *For more details, please download the PDF or feel free to contact us.
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Amiida Co., Ltd. is a company that specializes in precision grinding of metal parts used in automobiles, electrical equipment, construction machinery, and industrial machinery (from small-batch to mass production). Inheriting the founder's belief in "accumulating human virtue," we refine our humanity through daily actions while enhancing our grinding technology. By combining our technical skills with the value of people, we provide services that are appreciated. We will continue to be a grinding partner chosen by customers nationwide, with each employee advancing without forgetting the spirit of challenge and gratitude.
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