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1. 发明专利

JP2001038576A SLIDE SURFACE PROTECTING DEVICE FOR MACHINE TOOL 失效
公开(公告)号：JP2001038576A
公开(公告)日：2001-02-13
申请号：JP21118799
申请日：1999-07-26
申请人： HONDA MOTOR CO LTD
发明人： NAKATSUKA KAZUE , TOKUGE KAZUFUMI
IPC分类号： B23Q11/08
摘要： PROBLEM TO BE SOLVED: To prevent adhesion of chips to the slide surface of the table of a machine tool. SOLUTION: A slide surface projecting device C to prevent adhesion of chips to the slide surface 20 of a lower table 16R to longitudinally slidably support an upper table 21R comprises a first cover member 42 longitudinally and oscillatorily, and pivotally supported at the front end of the upper table 21R through a first support shaft 45, a second cover member 43 longitudinally oscillatorily and pivotally supported at the front end of the first cover member 42 through a second support shaft 47, a guide member 41 fixed on the frond end face of the lower table 16R connected to a slide surface 20, and a third cover 44 provided at a front end with a weight 51 and having a rear end fixed at the front end of the upper table 21R, an intermediate part formed of a flexible sheet to cover a first cover member 42, a second cover member 43, and a guide member 41. The first cover member 42 is energized rearward downward around the first support shaft 45 through the force of a first spring 46 and the second cover member 43 is energized rearward downward around the second support shaft 47 through the force of a second spring 48.

2. 发明专利

JP2001315048A CYLINDER GRINDER 失效
公开(公告)号：JP2001315048A
公开(公告)日：2001-11-13
申请号：JP2000139409
申请日：2000-05-08
申请人： HONDA MOTOR CO LTD
发明人： HONDA YUJI , TOKUGE KAZUFUMI , FUKADA TATSUJI
IPC分类号： B24B5/42 , B24B19/12
摘要： PROBLEM TO BE SOLVED: To relatively move a work and a rotation grinding wheel in the directions crossing at right angles with the axis of the work and parallel to the axis of the work, to reduce the machining cost and to reduce the number of components by dispensing with highly precise machining in grinding the outer circumferential face of the work by the rotation grinding wheel, and to reduce the whole weight of the cylinder grinder. SOLUTION: A sub-guide bar 18 parallel to the axis of the work W, and a main guide bar 17 arranged between the work W and the sub-guide bar 18 and extending parallel to the axis of the work W are fixed to a fixed machine frame 11A, The base end of a main link 19 is slidably and rotationally supported to the main guide bar 17 and the base end of a sub-link 20 is slidably and rotationally supported to the sub-guide bar 18. A grinding wheel main shaft head 24 is provided in the tip of the main link 19, one end of a screw shaft 27 threadly engaged with the sub-link 20 is connected to the main link 19, and an electric motor 28 rotating the screw shaft 27 is attached to the sub-link 20.

3. 发明专利

JP2001246556A SEAL STRUCTURE FOR SPINDLE BEARING IN CYLINDRICAL GRINDING MACHINE 失效
公开(公告)号：JP2001246556A
公开(公告)日：2001-09-11
申请号：JP2000060703
申请日：2000-03-06
申请人： HONDA MOTOR CO LTD
发明人： HONDA YUJI , FUKADA TATSUJI , TOKUGE KAZUFUMI , FURUKAWA KAZUYA
IPC分类号： B24B41/04 , F16J15/447
摘要： PROBLEM TO BE SOLVED: To shorten the axial distance (overhanging length) L between a grinding wheel 4 and a spindle bearing 3 in a seal structure for spindle bearing in cylindrical grinding machine comprising the grinding wheel 4 mounted on the front end of a spindle 2 supported on a spindle head 1 through the spindle bearing 3. SOLUTION: An annular groove 5a and an annular projection 5b to be fitted to the annular groove are formed on the back surface of the grinding wheel 4 and the front end surface of the spindle head 1 opposed thereto, respectively, and a labyrinth seal 5 for preventing the intrusion of 4 foreign matter to the spindle bearing 3 is constituted by the annular groove 5a and the annular projection 5b.

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