Questions tagged [tolerance]
The tolerance tag has no usage guidance.
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What is the hole tolerance in hand tap guide?
What is the tolerance for through hole to match the UNC 1/4-20 tap ⌀ 6mm? (tap shaft diameter ⌀ = 6mm) I want to make the diameter of the hole such that the tap stands in the hole and doesn't fall ...
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Distance sensors with accuracy of 0.1 mm?
I am looking for a sensor with 0.1 mm accuracy and a sensing distance of 1-10 cm for an industrial machine. The machine is used to ensure product quality following the assembly process. It will be ...
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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 ...
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Where can I find exact dimensions of a base of Eiffel Tower?
I am looking and looking and I can't find it: what are exact measurements of a base of Eiffel Tower in centimeters (or precision equivalent in imperial, not picky, can convert). All I can find ...
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How do I complete this tolerancing problem? Can someone walk me through Part 1?
I have been trying to solve this using rules of Basic hole and Basic shaft calculations but I keep getting it wrong
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How to prevent water droplets from staying on stainless steel / glass surfaces?
I'm designing a small tea strainer in the shape of a cylinder that goes into a glass bottle, which is also shaped like a cylinder. Currently, I'm still designing it in Fusion 360, but I'm facing one ...
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Locating an angular surface using GD&T
I'm having doubts about how to dimension an angular surface using proper GD&T techniques. I want to achieve the 6 mm feature of size (FOS) at an angle of 89 deg. to Datum B to within an angularity ...
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Is a geometric straight tolerance allowed on threaded bolts?
A custom bolt-like part needs to be particularly straight. Can a geometric straightness tolerance be added on the threaded part of the bolt or can it only be added before threading? The example can be ...
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Tolerances for machining retaining rings on shaft
I am designing a section of shaft that will hold a 1.25" wide sprocket. I found
The snap ring vendor states:
Fits Groove Dia. 1.886 in
Fits Groove Width 0.068 in
The snap ring has slightly ...
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Reasonble position tolerance for 1.5mm dowel pins?
I am quite new to CNC machining and want to design two parts which should be accurately aligned with each other. I searched online and many people suggest the use of two dowel pins to align the parts, ...
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What does a divide symbol on a drawing mean?
What does this dimension (see image), and particularly the divide symbol in it, mean please? I'm not a mechanical engineer and couldn't find the answer by searching for terms with the word "...
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What tolerance to use for fit by hand
I am desigining an aluminium part that takes in Wixroyd 32300.W0003 plunger with stainless steel body. The hole in question is 3mm and I want to be able to push-fit plunger with my hand (ie not by ...
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How to interpret general tolerances (e.g., ISO 2768)
I am quite new to mechanical engineering, but currently working on a project which I eventually want to sent to a CNC service for machining. Many services I found can manufacture to, e.g., ISO 2768-m ...
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What should be the hole diameter (tolerance) at a given fixed diameter of the shaft?
What should be the hole diameter (tolerance) at a given (fixed) diameter of the shaft, to mate the head of the tripod and the guide shaft? For example, shaft diameter is 20mm.
Material of head detail: ...
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Design Factor and Design Uncertainty Calculation Question
I recently had a discussion about design factors and design uncertainty. Looking in Shigley's Mechanical Engineering Design, pg. 17, ed. 3, there is a detailed discussion of this topic. The authors ...
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