Accuracy of Dial Indicators
Posted by mechlook info on January 14th, 2012 07:45 PM | No Comment
Two categories of potential errors are described by the American Gauge Design Standard in order to assess the accuracy of dial indicator :
(i) Repetition of Readings. Reading at any point should be reproducible through successive measurements of the spindle to ...
Guide Lines in the use of Dial Indicators to reduce the Effect of Calibration Errors
Posted by mechlook info on January 14th, 2012 07:44 PM | No Comment
(i) Indicator should be set to a dimension which is approximately in the centre of the spread over which the actual object size is expected to vary.
(ii) Dial amplification should be so selected that the expected size variations to be ...
Applications of Dial Gauges
Posted by mechlook info on January 13th, 2012 08:08 PM | No Comment
1. Dial Test Indicators (Automatic Reversal Type). In the dial test indicators, the finger probe can move by around 240° and on releasing returns back to initial setting. The rotary movement of finger probe is transmitted to dial mechanism through ...
Test Type Indicators
Posted by mechlook info on January 13th, 2012 08:08 PM | No Comment
It is special type of indicator which is characterised by the direction of the sensed displacement. Test indicators are designed to sense and to measure displacements which occur in a direction essentially perpendicular to the shaft of the contact point.
The ...
Dial Indicator Components, Accessories and Attachments
Posted by mechlook info on January 13th, 2012 08:08 PM | No Comment
A wide range of alternative designs is available to fulfil the diversity of dial indicator applications. Some of the designs are described below :
Dials. These are available with 200, 100, 80, 60, 50, 40 and 20 graduations. Greater number of ...
Dial Gauges as Per Indian Standards
Posted by mechlook info on January 13th, 2012 08:07 PM | No Comment
According to IS : 2092—1962 dial gauges have been divided into two categories, viz., type 1 and type 2 for general engineering purposes depending upon the movement of the plunder. These are manufactured in two grades, viz., grade A and ...
Indicator Gauges
Posted by mechlook info on January 13th, 2012 08:07 PM | No Comment
Dial indicator has been used with several auxiliary devices for a wide variety of length measurements. Obviously dial indicator can be used for carrying out measurements of length variations when reference plane of the measurement is established and both the ...