I am told the root is called a chord and I am also told the root is called a diameter
I believe it is a chordal dimension and the true diameter would need a multiplier to be called a diameter
Hello all,
My new colleages and I do not agree on what operation to stress relieve an 8" 25/4 stainless casted tube. Before or after rough machining and why? Thank you in advance.
Hello all,
After grinding a 12" 25/20 centrifugal casting to a 10 Ra, the surface appearance of this tube looks uneven in color(light and dark areas). It has been explained to me that this is a reflection of the grain boundaries? Is this true because of the steel mixture being less homogeneous...
Hello all,
There is a debate here about Stress Relieving HK Stainless. After the stress relieve operation,a 14" O.D, 13"I.D. of a 180" long tube goes through the Grinding Operation where .040 is removed from the O.D. Some say you are putting all the stresses back into the roll. Some say only a...
Hello all,
Perpendicularity or TIR that is the question.
A conveyor tube runs thru the center of several donuts. When the tube starts its rotation the faces of these donuts have wobble in them. An indicator is used on the face of the donut to check the variation of wobble. Is this...
Hello all,
Here is your diagram. A-----------B A is a bearing journal with a 2.00" dia. and a 2" length. This A journal has a TIR tolerance of .005 back to the B bearing journal also a 2.00" dia.2.00" length journal. The broken line between A & B is a 6" dia. roller. The roller length between...
Because the rollers that we manufacture are up to 15" in Dia. and 230 inches in length, a stationary gage was to much expense for this company. A portable apparatus(hat if you will)which is 12" long with 45 degree angles was created to be placed on top of the roll with an indicator placed...
Hello All,
I am working with engineer who says that the keyway depth on a shaft is calculated one way for metric and a different way for english. If this is true I would like to know if anyone knows of a web sight that shows these calculation differences.
