MACHINE TOOL MOVABLE ASSEMBLY COMPRISING MOVABLE SUPPORT, SPINDLE ASSEMBLY AND SPINDLE TO DETECT SPINDLE ASSEMBLY THERMAL DEFORMATION Russian patent published in 2011 - IPC B23Q1/62 B23Q11/00 B23Q17/22 

FIELD: process engineering.

SUBSTANCE: invention relates to machine building, particularly, to spindle thermal strain gages. Machine tool movable assembly comprises support 4, spindle assembly 6, spindle 8, first metre of spindle axial feed relative to spindle assembly, second metre of spindle assembly feed relative to movable support, second spindle assembly thermal strain gage and additional spindle assembly thermal strain gage to measure strain between spindle assembly front surface and its fixed initial position.

EFFECT: higher precision.

13 cl, 2 dwg