How do you calculate the bolt hole of a circle?
To calculate the location of the center of bolt holes:
- Enter the number of holes, n .
- Fill in the radius of bolt circle, R .
- Insert the angle of the first hole, A .
- Enter the x coordinate for center of the bolt circle, xc .
- Enter the y coordinate for center of the bolt circle, yc .
What is the diameter of a bolt circle?
Bolt Circle Diameter (BCD) is the diameter of the circle that goes through the center of all of the bolts on your chainring. On bicycle chainrings, this dimension is usually measured in millimeters. It is critical to know the BCD of your crankset when you are selecting a new chainring for your bike.
What is the bolt circle diameter on a flange?
The Bolt Circle is the measurement (diameter) of an imaginary circle passing through the centers of all the bolts in a round pattern. This is represented by the Blue Dashed Circle in the drawing. To measure such circle measure from the center of one bolt directly across to the center of the other bolt.
What is the size of the bolt circles on the flanges?
Diameters and bolt circles for standard ASME B16.5 flanges – 1/4 to 24 inches – Class 150 to 2500.
What is a 12 point flange bolt?
12 Point Flange Bolts. Also referred to as a 12-Point Flange Head Cap Screw, the flange diameter and head thickness of the 12-Point Flange Screw are equivalent to the head dimensions of a socket head cap screw, thus permitting the 12-Point Flange Screw to be a replacement for any application that calls for a socket head cap screw.
What is the size of a bolt circle in ASME?
ASME/ANSI B16.5 – Flanges and Bolt Dimensions Class 150 to 2500 Diameters and bolt circles for standard ASME B16.5 flanges – 1/4 to 24 inches – Class 150 to 2500 Related Topics Related Documents
What is a 12-point bolt head?
The 12-point bolt head design means that this screw can be tightened with a 12-point socket wrench which allows higher torques to be applied as compared to a standard internal hex drive socket head cap screw.