Skip to main content

Questions tagged [terminology]

For questions about words, phrases and definitions that are specific to engineering.

Filter by
Sorted by
Tagged with
0 votes
0 answers
28 views

What is the name for the principle that multiple flexible lines between two points are geometrically equivalent to only one line?

I mentioned this idea to an architect and he immediately seemed to recognize it, but no amount of googling will tell me the name of it.
KaiRB's user avatar
  • 1
0 votes
1 answer
49 views

What is the meaning of the term 'recoverable ore'?

What is the meaning of the term 'recoverable ore' when used in contexts relating to mining and the extraction of resources/minerals? For example, several academic papers use the term 'recoverable ore' ...
Jay Bee's user avatar
  • 103
0 votes
1 answer
106 views

Profile and pressure angle definition in gear geometry

In gear geometry there are 3 main angles, which can be misleading: Profile angle Pressure angle Operating pressure angle Further for simplicity I would restrict the area of interest to "spur ...
Richard's user avatar
0 votes
2 answers
141 views

Is there an english equivalent of a "Polplan" in structural analysis?

During my civil engineering studies, I've come across the notion of a "Polplan", a method for determining the possible infinitesimally flexible configuration of a statically indeterminate ...
Noiv's user avatar
  • 3
0 votes
0 answers
29 views

What is air entrainment in the context of cement mortars and how is it achieved?

What is air entrainment in the context of cement mortars and how is it achieved? I'm not an engineer but I would like to get a rudimentary understanding of the mechanism whereby tiny bubbles of air ...
Tim's user avatar
  • 225
0 votes
2 answers
85 views

Different kinds of control loops

I am wondering about different categorizations of control loops. One categorization differentiates control loops with respect to what inputs they take: Open control loops. Closed control loops. 1a. ...
user110391's user avatar
0 votes
0 answers
20 views

What is the correct term for a joint stabilized by three points of articulation?

I am trying to find the correct term for this mechanical principle. I have a biomechanical system where two objects are anchored to each other along three points of articulation. These points are ...
user2352714's user avatar
0 votes
1 answer
111 views

General term for a technique that ensures that two parts can be mated only if they are meant to be mated, and prevent any other part from mating

I am looking for the general term for any technique used to make sure that two parts can be mated only if they are meant to be mated, and prevent any other parts from mating. I need this term as I ...
Davide Andrea's user avatar
0 votes
1 answer
130 views

Confusing terminology for "normally closed/open" - It means the opposite in electronics (relays) versus fluids (valves)

I'm an electrician and "normally open" / "normally closed" is well known to me. I recently started to also work on heating systems including the pneumatic system that controls some ...
Mads Skjern's user avatar
0 votes
0 answers
50 views

"Cost fordest" and "Porded point" - meanings of terms

Not so long ago in our organization there was a seminar on machine-building issues related to parallel robots. The seminar was attended (in a remote format) by an Iranian-speaking colleague who spoke ...
dtn's user avatar
  • 226
0 votes
1 answer
372 views

What is percent of thread depth when it comes to screws?

What, geometrically, is meant by percent thread depth? And, what would constitute 100% thread depth? I have been trying to derive the equation for thread percentage in the textbook Machine Tool ...
skale's user avatar
  • 1
0 votes
2 answers
45 views

What does "shuffling" mean in the context of electrical grid power distribution?

What does shuffling mean in the following context and to what does "it" refer in the phrase "it is shuffled"? Should "it" be "they"? Are the three phases being ...
Tim's user avatar
  • 225
1 vote
1 answer
67 views

Technical name for a road "sliparound" lane

What is the technical name for this kind of road segment? I think the purpose of the lane on the right is to bypass the traffic lights at the intersection. I've heard that kind of lane referred to as ...
User1974's user avatar
  • 399
0 votes
1 answer
66 views

What would the name of this cable support be called?

I am building a cart that looks like the following: I am trying to implement some cost savings, and was wondering if I could potentially replace that long horizontal frame in the center by with some ...
Georgije Stanisic's user avatar
0 votes
0 answers
52 views

What else can you call an acme fitting?

Selling products on Amazon, I've had a listing pulled over "trademark violation" for mentioning that an HVAC sets come with acme fittings and/or acme adapters. a) Is there any way that this ...
lly's user avatar
  • 103
1 vote
1 answer
311 views

What does the Pg annotation mean

While I am continuing my practice with the German drawings of the V2 rocket, I have come across the PG designation a couple of times on different drawings. I originally thought it was for diameter, ...
Forward Ed's user avatar
  • 1,211
0 votes
0 answers
18 views

How do engineers conceptualize "levels of analysis" (thermodynamic, fluid dynamical, mechanical, etc.)

In considering something like a jet engine, the thermodynamic analysis can be very mathematical and quite simple (e.g. one-dimensional flow). It's quite general and takes exactly the same mathematical ...
Theo H's user avatar
  • 113
0 votes
1 answer
54 views

What does the word rectiplanar mean?

I have seen uses of the word 'rectiplanar' in some older math books but Google-ing doesn't really give an answer to its meaning. I have found though the following patent application where this word is ...
Michael Munta's user avatar
0 votes
1 answer
38 views

Correct term for "Cabin Window"?

Like the ones in a: cinema ticket selling point purge contention chamber (sci-fi) reception point of a public institution police control point (where one can attend someone else, behind a ...
user406126's user avatar
1 vote
1 answer
4k views

What is this sticky outy bit called?

We have a bit of wall sticking out of a flat wall ____ __________| |_______________ I have always called it the sticky outy bit of the wall and ...
cup's user avatar
  • 233
2 votes
2 answers
248 views

Screw/Bolt to mount PCB with spring

I hope these exist and someone can tell me what they're called. What I'm looking for is screws to mount a PCB where the top of the screw is normal, then there's a smooth length, then a nut with a ...
Diagram Alley's user avatar
1 vote
2 answers
448 views

How is the table of a 3d printer called?

There is this table, flatbed on the 3d printers. I need such a table which can move up and down, and I firmly believe there are such components on the market, but I can't find anything because I am ...
Gregory Kornblum's user avatar
3 votes
1 answer
228 views

Difference between pressure suits and anti-g suits

This question might come across as a newbie one but are pressure suits and anti-g suits are two names for the same thing? Google didn't turn up differences between them specifically (if there is any), ...
Sam's user avatar
  • 33
1 vote
1 answer
995 views

What is the name of a half wall with posts on top that divides a space into two?

I am looking for specific terminology around a half wall that acts as a divider to split a space into two separate uses. The top half of this features a series of wooden posts. It essentially ...
FrontEnd's user avatar
  • 113
0 votes
2 answers
168 views

3D linkage design - terminology

I am designing an animatronic head, which has five degrees of freedom: pitch, roll and yaw for the head part, and pitch and yaw for the neck part. However, the yaw movements for the head and neck are ...
bobtato's user avatar
  • 161
0 votes
0 answers
31 views

Is there a term for this kind of eccentrically threaded fastener or washer that has wrench flats and curved faces

Is there a standard term for this fastener or for the kind of problem it is intended to address?
Tim's user avatar
  • 225
2 votes
2 answers
117 views

What is a "typical" in the context of control engineering?

When talking about control systems I sometimes hear the term "typical", however I have no clear understanding what it is. It's also mentioned in some codes (so far without definition), here'...
mart's user avatar
  • 4,781
2 votes
0 answers
85 views

What is an "Optical Axis Rod"?

I'm in the process of designing a CNC/3d printer and I came across the term "Optical Axis rod" which seems to be the "standard" rod printers like Prusa use. But I can't find ...
Beacon of Wierd's user avatar
0 votes
2 answers
29 views

How do you name rods to fix several parallel metallical plates in mechanical devices?

In many mechanical devices, especial old ones, like clocks, the design is used, where two or more parallel planes fixed and all moving parts are placed in between. In this case planes are fixed with ...
Dims's user avatar
  • 203
5 votes
5 answers
2k views

What is the term for diagonal bars which are making rectangular frame more rigid?

For example in yellow: if all bars were rectangular, the entige frame would tend to skew. To prevent this, these diagonal bars are mounted. What is the term for them?
Dims's user avatar
  • 203
0 votes
4 answers
153 views

What is the name of this kind of through-hole fastener?

I've seen these before but I don't know what they're called. It's a two piece insert that creates a through-hole between them. I drew a picture to help identity it!
Zhro's user avatar
  • 101
2 votes
1 answer
4k views

What is really meant by HW/SW integration?

In many engineering descriptions I come across this term: "Hardware/Software integration" or "Hardware/Software integration testing" I came across couple of articles but they even ...
pnatk's user avatar
  • 123
2 votes
2 answers
69 views

What is a constricting actuator called?

I'm looking for search terms, I'd like to find something like an electric hose clamp - a high-force, low-power, low-speed, motorized constricting mechanism. I already googled some terms various ...
Vasiliy Sharapov's user avatar
-1 votes
2 answers
2k views

What does the term “trial card” mean in the field of engineering? [closed]

I heard this term from a colleague, however I wasn’t sure what it really meant.
user28833's user avatar
1 vote
1 answer
60 views

What do we call these corrugated board sleeves put upon cardboard boxes to provide additional strength?

This kind of a sleeve from cardboard put upon a cardboard box is called обечайка (obechaika) in Russian. What do we call them in English? I was told on Proz.com that we call them "cardboard ...
CopperKettle's user avatar
3 votes
1 answer
139 views

What do we call these "transport frames made of wood" (обрешетки in Russian)

I'm translating a document in which there is a mention of обрешетки used for preparing goods (medical equipment of large size) for shipment. This term derives from reshetka (решетка) - lattice, and ...
CopperKettle's user avatar
-1 votes
1 answer
44 views

Is there a term to describe a room only used to stop sound getting in?

an acoustic anechoic chamber has mainly 3 features stopping sound getting in; stopping sound getting out; reduce echoey. Is there a term to describe a room only used to stop sound getting in?
peterpanai's user avatar
1 vote
0 answers
17 views

Visualization/Verification software for interacting parts e.g. Gears etc

Not sure if there is any software that would model the movements of physical parts, or if even they can move with the given configurations ( software engineer background, no idea the lingo used here )....
jimjim's user avatar
  • 119
2 votes
1 answer
250 views

How do Test Indicator Flexible Holders hold rigidly when tightened?

If one were to search on Amazon for "Test Indicator Flexible Holders" you will turn up many items using this mechanism (please ignore the magnetic base; I'm not focusing on that part, just the red ...
bgoodr's user avatar
  • 141
1 vote
2 answers
2k views

Difference between lead screw and worm screw?

I am confused whether a lead screw and a worm screw are the same exact thing. In my engineering workshop lab, they come up as separate things. For example, a worm screw is there in the indexing head ...
karun mathews's user avatar
0 votes
0 answers
23 views

What's the term for interchanging a frequently used machine with a seldomly used one?

I'm trying to find out the term used for the practice of interchanging/relocating/swapping 2 machines to compensate the wear and tear caused by the operation frequency differences between them. This ...
Montag451's user avatar
  • 101
0 votes
0 answers
11 views

Are dynamic frequency transmitters common? What's the terminology to use when searching for one?

Newbie question, moderately educated on RF but only the signal, not at all about the hardware. Looking to start experimenting on a concept that would require a dynamic shift over time from one ...
J.Todd's user avatar
  • 123
0 votes
3 answers
71 views

Describing values as being 'assumptions' or 'assumed' - what is the correct approach in academic papers for civil engineering?

I am a language editor of academic papers in civil engineering (typically written in English by Poles). I frequently encounter the term 'assumption' being used to describe a value that is adopted ...
Krakocaster's user avatar
0 votes
1 answer
86 views

Is the combination of blocks and lines in this old, very long telescope an implementation of some named structure or technique?

Below are two cropped views of "Johannes Hevelius's 8 inch telescope with an open work wood and wire "tube" that had a focal length of 150 feet to limit chromatic aberration." from Harvard University, ...
uhoh's user avatar
  • 319
3 votes
2 answers
1k views

What is this captive screw and barrel nut adjustment assembly called? Picture attached

I'm designing a precision adjustment bracket, and I'd like to have a component that allows the field tech to make small adjustments to push and pull on each axis of adjustment. I went looking to see ...
Chuck's user avatar
  • 3,565
2 votes
0 answers
24 views

How do I relate Grab Strength and Grab Tear to the real world?

I'm looking at a spec sheet for a high density polyethylene woven fabric and I'm seeing the following parameters on it Tensile Grab Strength: Warp 155 / Weft 170 - tested ASTM D-5034-09 Grab Tear:...
corsiKa's user avatar
  • 121
1 vote
2 answers
82 views

Looking for translation of "закладная втулка" (threaded bushing?)

Sometimes we need a strong threaded joint in some part that is produced using molding. Say, this part itself is plastic. Then we design the part with a hole and insert there a.. "threaded bushing"? I ...
CopperKettle's user avatar
1 vote
0 answers
21 views

Correct terminology for a zero turn stator winding on a BLDC?

I'm designing a BLDC motor with some unique geometry constraints (~250mm long, ~45mm diameter with a ~35mm bore down the center) and am considering using straight copper bars carrying high current ...
norlesh's user avatar
  • 275
2 votes
2 answers
54 views

What is the protective part of a staircase handrail called?

Below the handrail of a staircase is some kind of gridwork to prevent people or objects from falling off the staircase into the space below. What is the term for this gridwork? - perhaps "handrail ...
EulerSpoiler's user avatar
0 votes
3 answers
228 views

Meaning of "female eye" in a list of parts

A fellow translator is translating a list of parts into Russian, and can't understand the meaning of "female eye". Here's the table: Maybe someone here could come up with some ideas about the ...
CopperKettle's user avatar