Floating main shaft
A spindle and electric spindle technology, applied in the field of workpiece grinding, can solve the problems of electric spindle burnout, large riser and flash, under-grinding, etc., so as to avoid impact collision and protect the electric spindle from burning out.
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[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0024] A floating spindle, see Figures 1 to 7 , including an electric spindle 12, the top of the electric spindle 12 is fixed with a grinding tool 1 through a tool handle 11, and one end of the electric spindle 12 fixed with the grinding tool 1 is provided with a protective sleeve, from the top of the electric spindle 12 to the end The direction of the end is coaxial with the electric main shaft 12 in turn, and the first protective sleeve 2, the end cover 29, the rotating frame 13, the second piston ring 14, the transition plate 19, the pressure ring 30, the expansion inner ring 20, the expansion outer ring Ring 21, first piston ring 22, displacement sensor 24, housing sealing plate 26, first flange 25 and second protective sleeve 23.
[0025] Specifically, the electric spindle 12 passes through a first piston ring 22, a displacement sensor 2...
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