Just happened across this thread and recalled a similar thread from a while back. I too used to use the read to 1 digit more significant and round. Was corrected to read all digits. Please see this thread for the detailed prior discussion and an applicable ANSI standard. thread286-122849
the...
Bkgrnd: Currently we have bolts that over time tighten and rust in place. The current procedure is to use a 1" socket head and handle with the appropriate extensions to break the bolts loose. The handles on these bow considerably and the ratcheting heads frequently fail. The current situation...
I have a manufacturing process that takes place behind steel safety doors. It is similar to a stamping press. I want to measure the movement of the equipment behind the doors while in process. I have been reviewing ideas and because the equipment may be damaged behind the doors I want to...
I have a machine tool with a column of about a foot in diameter. It requires an upper and lower tapered roller bearing and race. The pivot only rotates in and out 180 degrees in about 15 seconds and 3 times an hour. Load is less than 2 tons. Now the question-existing bearings are 20yrs old and...
I am looking to find a piece of inexpensive software that employees can use to track downtime. Today they fill out a papersheet and the data must be entered by hand. This is arduous as we have 3 shift with 15-20 employees and the task is now consuming a bunch of resources-The data I want to...
When I was being trained as a machinist this question came up. Here is the explanation and it made sense then as it does today-A screw has no nut, hence a threaded fastener alone is a screw, when a nut is added it becomes a bolt. Further this was explained as a hens egg, when laid or sitting in...
Just completed a retrofit of a Fanuc 21i to a lathe. No encoder on lathe for spindle speed but control gets a calculated signal telling what the spindle rpm is running. I am trying to use constant surface speed-conditions g50 max 100rpm, g96 400 css, ipr .1"
My problem is that when the machine...
ckozka, Diamond innovations has a chart at the following link describing CBN applications and grinding-If you need technical help I can provide an application engineering # for you if the chart does not give you the information you need-
http://www.abrasivesnet.com/en/product/mbs/cbn/d.htm
