Miscellaneous Measurement- Introduction
Posted by mechlook info on December 19th, 2011 11:05 PM | No Comment
Some parts are very difficult to be measured by actual tool and measuring instruments. A lot of time is likely to be wasted in thinking about the ways in which some miscellaneous measurements could be made unless some guiding principles ...
Miscellaneous Measurement-Checking the angle of a Piece Tapered on One Side
Posted by mechlook info on December 19th, 2011 11:02 PM | No Comment
This can be done by using two discs of different sizes, slip gauges and a dial indicator. The length of slip gauges required for the purpose is calculated as given later and the slip gauge combination of that length prepared. ...
To Check the Angle of a Transverse Recess whose Angle of Taper is Very Small -Miscellaneous measurement
Posted by mechlook info on December 19th, 2011 10:57 PM | No Comment
In Fig. given below XY and MN are two tapered faces, inclined at angle A. For this measurement we require one sphere of certain diameter depending upon the distance XM, set of slip gauges and a micrometer depth gauge.
A slip ...
To Check the Angle of a Tapered Hole-miscellaneous measurement
Posted by mechlook info on December 19th, 2011 10:56 PM | No Comment
In this method, we require two balls of different sizes, depth gauge, height gauge etc. This method is particularly suitable for checking the angle of a tapered ring gauge.
First the small ball of radius R1 is inserted in the hole ...
To Determine the Included Angle of an Internal Dovetail-miscellaneous measurements
Posted by mechlook info on December 19th, 2011 10:54 PM | No Comment
In dovetail the sloping sides act as guide and prevent the lifting of the female mating part during mating operation. The angle which the sloping face makes with an imaginary vertical centre plane is important in case of dovetail. For ...
To Measure the Diameter of a Recessed Hole- miscellaneous measurement
Posted by mechlook info on December 17th, 2011 09:01 PM | No Comment
It is impossible to measure the diameter of a recessed hole by micrometer or any of the conventional instruments. A lot of difficulty is generally experienced in measuring the diameters of the recessed hole. A simple method of measuring the ...
To Measure the Diameter of a Large Hole Accurately- miscellaneous measurement
Posted by mechlook info on December 17th, 2011 09:01 PM | No Comment
This method requires the use of two pins, C-clamps, slip gauges and a dial indicator. The work is clamped on the surface plate with C-clamps.
Two pins of equal diameter are placed against the inside edge of the circle and the ...