Posted by mechlook info on January 15th, 2012 10:16 PM | 35 Comments Dial indicators of purely mechanical operation may be broadly classified into groups as follows :
Simple lever system used in some of the gauges is shown in Fig. below. ABC constitutes the simple form of magnifying lever, which is pivoted at ...
Posted by mechlook info on January 15th, 2012 10:15 PM | 42 Comments (1) Ease of reading a dial indicator is the biggest advantage over other conventional types of linear measuring instruments, which require some degree of skill and considerable practice before proficiency in their use can be attained.
(2) This is extremely useful ...
Posted by mechlook info on January 15th, 2012 10:14 PM | 33 Comments Dial indicators are instruments used for making and checking linear measurements. These require less skill in their use than other precision instruments such as plug gauges, gap gauges, micrometers and vernier scales etc. Dial indicators are smaller indicating devices containing ...
Posted by mechlook info on January 15th, 2012 10:14 PM | 39 Comments (1) The instrument should be capable of giving trouble-free and dependable measurements over a long period without attention. For this purpose, the design and construction must be robust enough.
(2) No oscillation must be present in the pointer when readings are ...
Posted by mechlook info on January 14th, 2012 07:46 PM | 26 Comments The nomenclature of the various parts of a dial indicator is shown in Fig. below and a brief description of them is given below.
1. Rotatable Bezels. Most dial indicators incorporate, a rotatable bezel for making the final zero setting at ...
Posted by mechlook info on January 14th, 2012 07:45 PM | 40 Comments The accuracy attained in measurement is inversely proportional to the range of travel. With most of the applications of dial gauges, they are mostly used as comparators on finished work and as such are only called upon to work over ...
Posted by mechlook info on January 14th, 2012 07:45 PM | 28 Comments This instrument being precision one, must be handled very carefully. If plunger is allowed to strike the work with force, the teeth of rack and gears will get distorted and the pointer may slip on the spindle. This must always ...
