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1.发明公开
公开(公告)号：EP1810783A4
公开(公告)日：2007-10-31
申请号：EP05805114
申请日：2005-10-19
申请人： JTEKT CORP
发明人： MIURA HIROYUKI , NOGUCHI TAKESHI
CPC分类号： B24B7/162 , B21L15/00 , B24B19/26 , B24B27/0069 , F16G5/18
摘要： A grinding apparatus and a manufacturing method for a power transmission chain pin, wherein a peripheral groove (5a) is formed in a disk-like grinding wheel (5), and its both side walls are formed in grinding surfaces (5b), and a load pin (55) is rotatingly moved by a rotating carrier (3) relative to the grinding wheel (5) rotating about its center axis (5z) to pass through a clearance between the grinding surfaces (5b) so as to simultaneously grind both end faces (55a) of the load pin (55). Thus, a time required in a grinding step can be reduced more than that required in a conventional one where the end faces are ground for each end face.
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公开(公告)号：EP1978270A4
公开(公告)日：2011-12-21
申请号：EP07706965
申请日：2007-01-18
申请人： JTEKT CORP
CPC分类号： F16C43/04 , B60B27/0005 , B60B27/0094 , F16C19/186 , F16C2226/60 , F16C2229/00 , F16C2326/02 , Y10T29/49535 , Y10T29/4968 , Y10T29/49682 , Y10T29/49684 , Y10T29/49689 , Y10T29/49702 , Y10T29/49771
摘要： In a state in which a first ball 103 is assembled in between a first inner peripheral raceway surface of an outer ring 105 and an outer peripheral raceway surface of a shaft 101, and a second ball 104 is placed in between a second inner peripheral raceway surface of the outer ring 105 and an outer peripheral surface of the shaft 101, a first distance "a" from a plane "q" generally perpendicular to a central axis "p" of the shaft 101 to the second ball 104 and a second distance "b" from the plane "q" to a stepped portion 107 of the shaft 101 are measured. Then, the size in the axial direction of the inner ring 102 is adjusted on the basis of a difference between the first distance "a" and the second distance "b".
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