All Questions
Tagged with mechanical tolerance
6
questions
1
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1
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115
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how to interpret ISO2768-mK angular tolerance
How to apply tolerance for angle based on ISO-2768-mK? Cause I am confused about the statement "Permissible deviations in degrees and minutes for ranges in nominal lengths". Lets say I have ...
3
votes
1
answer
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Why/when do we use a transition fit?
I'm self-learning a bit about preferred fits and tolerances and was wondering why transition fits were even a thing.
Clearance fits I understand, applications where you don't want parts to touch and &...
1
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0
answers
149
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RSS Tolerance calculation and usage
From my experience, I've been calculating RSS tolerances by squaring all relevant tolerances, summing them up and then square rooting the sums... ie: RSS=[Σ(tol^2)]^0.5
I've also heard of other ...
1
vote
0
answers
342
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Tolerance Analysis on clearance holes
I am designing an enclosure that holds a lens (clearance fit) and a photodiode on a PCB. The alignment of the photodiode to the lens must be pretty tight, thus I am using a boss on the enclosure (also ...
0
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1
answer
378
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Typical tolerances for valve lift using a camshaft?
I am working on a linear actuator for a valve.
Wondering if anyone out there can point me towards the tolerances that are used for valve lift in a typical internal combustion engine using a camshaft?...
1
vote
2
answers
455
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Explain tolerances in technical drawing
I'm not a mechanical engineer and am not used to looking at mechanical drawings. I'm trying to understand what these tolerance features mean.
There is a positional tolerance feature, which ...