Questions tagged [terminology]
For questions about words, phrases and definitions that are specific to engineering.
80
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1answer
41 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, ...
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0answers
15 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 ...
0
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1answer
47 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 ...
0
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1answer
35 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 ...
1
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1answer
67 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 ...
2
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2answers
54 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 ...
1
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2answers
432 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 ...
2
votes
1answer
40 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), ...
1
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1answer
79 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 ...
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2answers
50 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 ...
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0answers
26 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?
2
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2answers
108 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'...
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0answers
34 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 ...
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2answers
24 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 ...
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5answers
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?
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vote
4answers
77 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!
2
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1answer
677 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 ...
2
votes
2answers
50 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 ...
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2answers
1k 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.
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1answer
42 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 ...
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1answer
95 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 ...
-1
votes
1answer
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?
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0answers
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 )....
2
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1answer
122 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 ...
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2answers
915 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 ...
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0answers
22 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 ...
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0answers
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 ...
0
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3answers
42 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 ...
0
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1answer
52 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, ...
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2answers
573 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 ...
2
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0answers
12 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:...
2
votes
2answers
74 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 ...
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0answers
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 ...
2
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2answers
52 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 ...
2
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3answers
195 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 ...
0
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2answers
80 views
What is the entirety of breadth of road called?
As roadway consists of a width of road on which a vehicle is not restricted by any physical barriers or separation to move laterally source, what is a similar term which encompasses the width of the ...
1
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1answer
213 views
Difference between a Part and a Detail
I'm not sure I'm in the right place for this, if not, Apologies.
In my education material under Construction Steel, in its application it lists Masking Details.
Under Tool Steel it list an ...
4
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2answers
304 views
What is the technical name for a water reservoir that retains its contents via vacuum and ambient air pressure?
This is a strange question for me because this is so extremely common, but I have never heard a name to describe exactly what it is.
This is commonly used to provide water to animals from a trough or ...
0
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1answer
71 views
What do I call this shaft that drives the rubber stopper into the glass vial in a vial stoppering machine?
I'm translating a Russian text about a drug product manufacturing process. The text mentions briefly the vial stoppering machine, in which rubber stoppers are first fed into the hopper and then ...
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2answers
68 views
What type of supports exists for ballscrews or leadscews?
For Linear actuators, a common mechanism is to use ballscrews with ballnuts.
The ballscrew is supported at the two sides by a set of bearings which permit the rotation of the screw while keeping the ...
2
votes
1answer
164 views
Terminology: Flexible protrusion for a latch
What is the name for a protrusion of material that's built to be flexible in order to act as a latching mechanism? These show up in all kinds of products, but one of the most recognizable is in a snap-...
2
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3answers
104 views
What do I call this "cogwheel" that feeds tin cans to a specific position?
This is an above view of a system in which tin cans arrive via conveyor (1) to a "feeding star" ("подающая звезда" in Russian; No. 5) and are placed firmly in slot 4. (source in ...
0
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1answer
44 views
Fluid-dynamics question: proper term
I am looking for the term used to describe a situation I've encountered. I'll use a standard hydraulic cartridge that you'd use to keep a door shut as an example, except this one can be locked out ...
2
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3answers
284 views
Are there standard terms that correspond to the anatomical axes, planes, and directions?
The field of human anatomy seems to have standardized on a number of useful terms to unambiguously describe the human body. For example the three planes and axes as well as various directions seem to ...
2
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3answers
2k views
What exactly is the sample period?
I thought the term sample period referred to the time interval between one measurement and another. But I've come across this article which says
About every tenth of a second, a dataset, $S(i)$, of ...
1
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1answer
177 views
Two angular velocities on two segments connected by a hinge joint differ only by the joint angle velocity
I was reading this article called "Joint Axis and Position Estimation from Inertial Measurement Data by Exploiting Kinematic Constraints", but I'm not understanding one part, which doesn't let me ...
3
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1answer
99 views
Translating the name of a type of beam from Russian to English
I am trying to translate the name of a special kind of beam from a set of Russian-language drawings.
The dictionary translates the name as simply supported beam, but it's not that simple. There is a ...
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7answers
4k views
What is the opposite of "parallel" in engineering?
The two towers of the Verrazano Bridge are not parallel: they are [???] to account for the curvature of the earth.
What is that word?
2
votes
1answer
102 views
Name of a keel between the bilge keel and the main keel
I'm working on a seaplane and find myself doubting about the specific nautical term for a keel placed between the bilge keel and the main keel. This might be a bit academic in nature since I have a ...
0
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2answers
4k views
Difference between Linkage, Kinematic chain, Mechanism, Mechanical element, Mechanical machine and their precise definitions
Recently I started to study about "Design of mechanical machinery". Since I am a person who is very sensitive about words I want to know the difference between these notions and their precise ...
