Questions tagged [nomenclature]
9 questions
12
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1 answer
What does "$\pm$ 0.5% F.S." mean?
I've seen it in several data sheets - it is a measure of error of some kind, of course. The problem is I dont know the exact meaning. I've seen it in the context of repeatability, accuracy and linearity.
An example is the following data sheet: smc…
JHK
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3
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1 answer
Units for plasma etching of circuits: A (with degree symbol)/min
Background: I'm a statistician working with a design of experiments example regarding plasma etching of circuits, and unfortunately, the author does not define what is meant by the units used for the etch rate ($\mathring{A}$/min). A google search…
Meg
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3
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2 answers
What does "+- %/K" mean?
On a datasheet, sensitivity temperature drift (TCs) is specified in %/K.
I read this as "the percent change per kelvin".
Is this is simple as this sounds, or is there a reason for using kelvin over celsius?
I.e if TCs=0.01 and the temperature…
user975326
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3
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1 answer
Iris mechanism nomenclature - need help to enable better search results
I'm researching iris mechanisms with the goal of building a functioning, weather-sealed door. I am learning much as I go along, but am faced with a challenge in nomenclature (I am not an engineer).
I am using Google to search for non-overlapping…
111936
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4 answers
What is the Technical Term for this kind of slot?
I am looking for the technical term which describes the kind of slot one finds commonly in modern phones to hold SIM cards. More specifically, what does one call a slot that one pushes the SIM card into once and it is secured there, and then pushes…
Filip Gajowniczek
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2
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2 answers
Looking for data or nomenclature that partains to "Smoothness/accuracy" of servo grade gearboxs for roll to roll application
I am designing a roll to roll web drive system where having smooth consistent very slow speed is important to quality of the product. I will be using a clearpath servo motor with a gearbox of 20:1 ratio.
It has been recommended to me that I might…
Jacob S
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2
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1 answer
What is this nut on a micrometer head and what is the tool for removing it called?
My apologies for a likely very simple question. But what is this nut which I have on a micrometer head called, and what is the tool for removing it called?
new299
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Rotating two aluminium planes flat: looking for hinge techniques and nomenclature
I am trying to come up with a way to design two flat aluminium parts to allow these to rotate in the same plane, but I seem to lack the proper words to find more information on this.
I'll illustrate what I mean with this practical example of a LEGO…
JeroenHoek
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1
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4 answers
What is the engineering standard for filenames with fractions and inches?
I need to save some engineering files that need the thicknesses in the filename. Windows hates "/" or "\", so I can't use a simple fraction. Symbols like this...
⅓, ⅔, ⅕, ⅖, ⅗, ⅘, ⅙, ⅚, ⅛, ⅜, ⅝, ⅞
...are nice, but don't cover the full gamitt of…
Davbog
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