To provide a built-in type index table saving on space and reducing cost almost without backlash in a power transmission means.
This index table is provided with: a rotary table 41 for mounting a workpiece of a machine tool; a rotary table shaft 42 fixed to the rotary table 41; a driving motor mechanism 10 to be a driving source; and a planetary roller speed reduction mechanism 20 constituted of a ring 22 fixed to a speed reduction mechanism housing 34 by making a motor output shaft 14 of the driving motor mechanism 10 as a sun roller 21, a plurality of planetary rollers 25 arranged at equally divided angles by being pre-loaded in a space with the sun roller 21, and a planetary roller harness 24 fixing and supporting a plurality of planetary roller shafts 23 rotatably journaling the planetary rollers 25 and fixed to the same axial center as the rotary table shaft 42.
HASHIYA MICHIAKI
MASUO KOICHI
HIRAYAMA TAKAYOSHI
| JPH05337788A | 1993-12-21 | |||
| JP2003159634A | 2003-06-03 | |||
| JPH08210455A | 1996-08-20 | |||
| JP2002276749A | 2002-09-25 | |||
| JP2006334711A | 2006-12-14 | |||
| JPS62114839A | 1987-05-26 | |||
| JPH0730489A | 1995-01-31 | |||
| JP2002036047A | 2002-02-05 |
Shin Ishikawa
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