Relief holes are provided for easy handling of sine bar and for reducing the weight of the sine bar.
distance between the centre of two parallel cylinderin the sine bar
Relief holes are provided for easy handling of sine bar and for reducing the weight of the sine bar.
sine bar is used to measure the angles of given work pieces
See related links for information about sine charts.
To reduce the weight
What is the angle of a workpiece if a 3.2003 gage block stack is used with a 10 sine bar?
stbilized steel
its a type of sine bar . it is used in metrology lab .from this equipment we can find tapered angle of a conical spcimen
Machinist Hand Book
Yes
1 it can not used when the angle more than 45 degrees.....