Glossary entry

English term or phrase:

to shim [vb]

English answer:

to make fine adjustments by packing with (usually thin, e.g. sheet metal) spacers [may or not be actual precision shims]

Added to glossary by Tony M
Feb 12, 2005 17:18
19 yrs ago
8 viewers *
English term

shim (context)

English Tech/Engineering Mechanics / Mech Engineering
testing of shade installation

"c) Hold Close Limit button for 5 seconds until LED flashes
7) Leave fabric unrolled, inspect for fabric flaws, then return it to eye level.
8) Press Raise button on keypad to roll fabric – check for telescoping
9) Press Close button on keypad to unroll and ***shim*** (if needed, repeat steps 6 and 7 until correct)"

... can you help me with a synonym of shim in the context?

Discussion

Non-ProZ.com Feb 13, 2005:
many thanks to you all! now it's clear
Non-ProZ.com Feb 12, 2005:
OK, I understand the normal meaning of shim, but does it make any sense to shim the shades??
here is the full instructions:

1) Mount Sub Brackets per Install Guide
2) Mount Shade � Install safety screw
3) Plug in transformer of the EOL Test Harness
4) Plug the green connector of EOL Test Harness into the mating green
connector of the Unit Under Test
5) Set Open Limit using buttons on electronic drive unit
a) Press and release Open Limit button once
b) Press raise or lower buttons until shade is at Open Limit
c) Hold Open Limit button for 5 seconds until LED flashes
6) Unroll Fabric to bare tube using buttons on EDU
a) Press and release Close Limit button once
b) Use the raise/lower buttons to unroll all fabric
c) Hold Close Limit button for 5 seconds until LED flashes
7) Leave fabric unrolled, inspect for fabric flaws, then return it to eye level.
8) Press Raise button on keypad to roll fabric � check for telescoping
9) Press Close button on keypad to unroll and shim (if needed, repeat steps 6 and 7 until correct)
10) Apply over-tape on fabric and tube
11) Move shade to correct Close Limit and set
a) Press and release Close Limit button once
...
Non-ProZ.com Feb 12, 2005:
OK, I understand the normal meaning of shim, but does it make any sense to shim the shades??
here is the full instructions:

1) Mount Sub Brackets per Install Guide
2) Mount Shade � Install safety screw
3) Plug in transformer of the EOL Test Harness
4) Plug the green connector of EOL Test Harness into the mating green
connector of the Unit Under Test
5) Set Open Limit using buttons on electronic drive unit
a) Press and release Open Limit button once
b) Press raise or lower buttons until shade is at Open Limit
c) Hold Open Limit button for 5 seconds until LED flashes
6) Unroll Fabric to bare tube using buttons on EDU
a) Press and release Close Limit button once
b) Use the raise/lower buttons to unroll all fabric
c) Hold Close Limit button for 5 seconds until LED flashes
7) Leave fabric unrolled, inspect for fabric flaws, then return it to eye level.
8) Press Raise button on keypad to roll fabric � check for telescoping
9) Press Close button on keypad to unroll and shim (if needed, repeat steps 6 and 7 until correct)
10) Apply over-tape on fabric and tube
11) Move shade to correct Close Limit and set
a) Press and release Close Limit button once
...
Refugio Feb 12, 2005:
9) Do two things. First press Close button on keypad to unroll. Then shim [verb].
paolamonaco Feb 12, 2005:
oxford: to shim=fit or fill up with a shim. shim=a thin strip of material used in machinery etc. to make parts fit.HTH
Non-ProZ.com Feb 12, 2005:
Hi Kim thanks for your answer. I know the regular meaning of shim but here we are talking about a roller shade and if you press the Close button, the shade will unroll and shim... cannot think of any wedge in this context, or am I mistaken? I don't understand what it means

Responses

+1
2 hrs
Selected

See explanation below...

The verb 'shim' has nothing to do with the 'unroll'!

It just means you have to use the electric controls to unroll the blind, then check its positioning in some way, and add thin packing pieces to make fine adjustmens of whatever is being checked (NOT the blind itself, apparently!)

The 'shim' here doesn't necessarily mean 'accurately-sized' pieces of metal as in normal engineering, but it's just a formal-sounding word meaning 'to adjust by packing with add-in pieces' --- almost certainly thin sheet material, to allow fine adjustment.

It is not clear to me from the amount of context you've been able to give exactly WHAT needs to be checked and then packed; I assume it must mean that you have to adjust the mounting position of the blind brackets (etc.) so that when fully unrolled, the blind sits evenly at the bottom, for example...
Peer comment(s):

agree Maria Chmelarova : While you were typing explanation, I was debating with my hubby how to explain the shim (ing)meaning. You are a winner. " Adjusting while..."
1 hr
Thanks, Pretty!
Something went wrong...
4 KudoZ points awarded for this answer. Comment: "thanks to all three of you"
2 mins

to add small wedges

Shim
A small wedge of something meant to fill in a gap or adjust something.
For example, a camera which has been subjected to a blow might have a slightly deformed lens mount. A thin metal shim can be cut and inserted behind the lens mount to adjust the mount to film plane distance and compensate for the damage. Or a camera battery or spool of film which doesn’t fit the camera cavity properly and is too loose may need a simple cardboard shim to be wedged in properly.
http://photonotes.org/cgi-bin/entry.pl?id=Shim
Peer comment(s):

agree juvera : May be used as a verb, to wedge it, so it doesn't roll back. I don't mean the blind, but the mechanism, to stop it to release accidentally, so the next step can be taken.
18 mins
disagree zaphod : Wedges are not shims
1 hr
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6 hrs

further to Dusty's answer

What they want you to do here is to first fully unwind the shade (and inspect it for flaws, but that has nothing to to do with the shimming), and then fully wind it back onto the roller. Then you should check to see whether it rolled up straight. If it doesn't roll up straight, the edges will gradually shift to one side as it rolls up, which is what 'telescoping' means here; it's the same thing as what happens when you roll up a carpet as a slight angle. And if the shade doesn't roll up straight, that means the roller is not exactly level, so you have to insert shims somewhere (probably underneath a bracket holding one end of the roller) to level the roller. Unfortunately, the instructions don't say anything at all about where the shims should be placed (a fairly severe shortcoming; I suppose it's a sort of intelligence test...).

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Note added at 6 hrs 41 mins (2005-02-12 23:59:34 GMT)
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Typo: \'at a slight angle\'
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