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Title:
COUPLING METHOD WITH BAKING BOLT
Document Type and Number:
Japanese Patent JP2016089871
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To shorten a baking work time as much as possible.SOLUTION: In one preferred embodiment of this invention, a heating coil 10 is heated to heat a baking bolt 4, after heating it, a temperature sensor 20 is installed at a heating coil mounting hole 4C and at the same time, a distance measurement device 30 capable of measuring a distance between a first nut 5A and a second nut 5B is mounted at a prescribed position. Then, a thermal expansion amount of the baking bolt 4 is calculated on the basis of an inner temperature of the baking bolt 4 detected by the temperature sensor 20 and a coefficient of expansion of the baking bolt 4. Then, when the baking bolt 4 is cooled down to a temperature before heating, a distance between the first nut 5A and the second nut 5B under a heated state of the baking bolt 4 for positioning the first nut 5A and the second nut 5B at a prescribed fastening position is determined as an adjustment distance on the basis of a thermal expansion amount of the baking bolt 4. Then, the distance between the first nut 5A and the second nut 5B is adjusted to the adjustment distance using the distance measurement device 30.SELECTED DRAWING: Figure 2

Inventors:
HAYASHIDA YOSHIO
KUMAGAI KOICHI
Application Number:
JP2014221565A
Publication Date:
May 23, 2016
Filing Date:
October 30, 2014
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
F16B31/02; F01D25/24; F01D25/28; F16B4/00; F16B5/02; F16B35/00
Domestic Patent References:
JPH11257201A1999-09-21
JPS5697609U1981-08-03
JPH10103325A1998-04-21
JPH09219286A1997-08-19
JPS5627605U1981-03-14
JPH11257201A1999-09-21
JPS5697609U1981-08-03
JPH10103325A1998-04-21
JPH09219286A1997-08-19
JPS5627605U1981-03-14
Attorney, Agent or Firm:
勝沼 宏仁
永井 浩之
関根 毅
山下 和也



 
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