Micrometer
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English: A micrometer is a widely used device in mechanical engineering for precisely measuring thickness of blocks, outer and inner diameters of shafts and depths of slots.
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Micrometer screw plus differential micrometer screw -
Depth micrometer with one extra probe -
Inside micrometers -
5.783mm -
5.78mm -
0.276inches -
for objects in range 175÷200 mm -
Gascoigne's Micrometer as drawn by Robert Hooke -
old micrometer -
old small micrometer -
modern micrometer -
outside, inside and depth micrometers -
micrometer caliper diagram, labeled -
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the answer is =main scale + dial scale - (zero error) =4.00 + 0.14 - ( 0.00)= 4.14 mm -
the answer is =main scale + dial scale - (zero error) =4.00 + 0.29 - ( 0.15) = 4.14 mm -
the answer is =main scale + dial scale - (zero error) =4.00 + 0.05 - ( -0.09) = 4.14 mm
Verniers
[編輯]-
Vernier & electronic height gauge -
Vernier height gauge adjusters -
Vernier height gauge, close up view -
Electronic height gauge, close up view -
Vernier close up -
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