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Grinding spindle for thread grinding


Post Date: 26 Jun 2015    Viewed: 4326

Applicant: NSK LTD

Applicant Number: WOJP2013/078989

Inventor: IGARASHI KIYOSHI

Priority: JP20120240926

International Classification: B23G1/38; B24B41/04

Literature cited: JPS5558919A;JP2003028184A;JP2009542997A;JP2005022058A

A quill (2) comprises the following: a fixed-side quill (11) affixed to a spindle housing (50) and a tip-side quill (20A-20C), to which a grinding wheel (40) is attached, and which is removably joined to the fixed-side quill (11). At the point where the fixed-side quill (11) and the tip-side quill (20A-20C) are joined to each other, flat surfaces (C, C') that are perpendicular to the axis (T) of the quill (2) are placed up against each other. A first drive shaft (17) is disposed inside the fixed-side quill (11), and a second drive shaft (27), which rotates together with the grinding wheel (40), is disposed inside the tip-side quill (20A-20C). The first drive shaft (17) and the second drive shaft (27) are removably coupled to each other. 



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