Bowers-group M&W Test Indicator 420 & 421 Series Manual de usuario descargar pdf

Test Indicator 420

and 421 Series

Please carefully review these instructions to ensure proper and accurate

use of your new Test Indicator.

visit www.moore-and-wright.com Partners in Precision

TEST INDICATOR INSTRUCTIONS

Mounting of Mounting Shaft

Slide mounting shaft onto dovetail which is best suited for measuring and

tighten (fig. 1). Mount indicator rigidly and as close as possible.

Measuring

For accurate measurements the axis of the contact point must be

perpendicular to the measuring direction (fig. 2). If this is not possible, it is

necessary to multiply the reading on the dial with a correction factor, which

depends on angle ∂ (fig. 3). The correction factor is negligible for angles

below 15º.

Angle ∂: 15º 30º 45º 60º

Correction factor: 0.96 0.87 0.70 0.50

Maintenance

No special maintenance is required. The bearings of the indicator must not

be oiled.

Example

Angle ∂ : 30º (estimated)

Reading on dial: .015"

Measurement value: .015" x .87 = .013"

fig. 3

fig. 1

fig. 2

DL_Instructions_Test_Ind_420_421 28/7/08 16:01 Page 1

Test Indicator 420 1

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Pagina 1 - Test Indicator 420

Test Indicator 420 and 421 SeriesPlease carefully review these instructions to ensure proper and accurate use of your new Test Indicator.visit www.moo

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Bowers-group M&W Test Indicator 420 & 421 Series Manual de usuario

Busca en linea o descarga Manual de usuario para Instrumentos de medición Bowers-group M&W Test Indicator 420 & 421 Series. Bowers Group M&W Test Indicator 420 & 421 Series User Manual Manual de usuario

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