Apparently there are devices that can be placed on a transmission line that tell you how much corrosion is present at that point in the line. Does anyone know about these devices or where to get them.
Cheers - Simon
Apparently there are devices that can be placed on a conductor that is in service and give a reading of the amount of corrosion there is at that point in the line. Does anybody know about these devices and/or where to get them?
Cheers - Simon
Hi All
I have some small (basketball size) pressure vessels that I ahve to have tested to burst, which should be at about 20 000 psi. Does anyone know a place that can do it. I can't find anyone that can test above 16 000 psi.
Cheers
I am trying to accuratly determine the axial force in a screw by knowing the torque applied to it. The screws are very small M1.6 - M3 so an ultrasound method is no good for determining the stress in the screws.
Is there are more accurate method of torque control than a torque wrench for such...
I have just read a report that says-
If a fastener (bolt/screw) has an stress applied to it that is greater than 65% of the yield strength of the fastener, then no matter how severe the vibration the fastener will not come loose.
Does anyone have any opinions on the accuracy of this statement?
Does anyone know where to find info on washer theory?
Are there any theorecial models/formulas that you can use to determine when a split washer is required if you know the vibration, preload etc?
Does anyone know of a good text book about washers?
Cheers
Simon
I am mounting a radio transmitter high on a pole. There are a lot (hundreds) of screws inside that all have to be done up by hand, they are also expensive and fiddly due to their small size.
It has been suggested to me that split washers will be required due to the pole vibrating.
Does anyone...
