Title:
WORKPIECE THICKNESS MEASURING DEVICE AND MACHINE TOOL
Document Type and Number:
WIPO Patent Application WO/2018/092223
Kind Code:
A1
Abstract:
This workpiece thickness measuring device (10), which contacts the surface of a workpiece (W) on a machine of a machine tool (100) and measures the thickness of the workpiece from the time difference between the transmission and receipt of an ultrasonic wave, is provided with: a main body (12) having a shank part (76a) which is detachably provided on the tip portion of a main shaft (114); a measuring probe (26) provided in the main body so as to be able to contact the surface of the workpiece; a control unit (30) which is provided to the main body, transmits and receives an ultrasonic wave by means of the measuring probe, obtains the thickness of the workpiece by calculation from the time difference between the transmission and receipt of the ultrasonic wave, and wirelessly transmits the measurement data to the outside; a medium tank (58) which is provided in the main body and stores a gel-like contact medium that is applied between the measuring probe and the workpiece surface; and a constant amount supply unit (44) which discharges a constant amount of contact media onto the workpiece surface by using the pneumatic pressure received from a spindle air passage (114a) of the machine tool.
Inventors:
BETTO HIROSHI (JP)
YAMAGUCHI YOSHITAKA (JP)
SHINOHARA YUTO (JP)
YAMAGUCHI YOSHITAKA (JP)
SHINOHARA YUTO (JP)
Application Number:
PCT/JP2016/084005
Publication Date:
May 24, 2018
Filing Date:
November 16, 2016
Export Citation:
Assignee:
MAKINO MILLING MACHINE (JP)
International Classes:
G01B17/02
Domestic Patent References:
| WO2010020940A1 | 2010-02-25 |
Foreign References:
| JPS63209U | 1988-01-05 | |||
| JPS5296657U | 1977-07-20 | |||
| JPH08166277A | 1996-06-25 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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