Questions tagged [threads]
The threads tag has no usage guidance.
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Tapping threads into aluminium profiles - Questions
I want to tap some threads into the centre of some 2020 aluminium profile.
Personally I've seen 2020 profiles that have a 4.2mm diameter core and a 5mm diameter core. They should take an M5 and M6 tap ...
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Specification Tolerance Table vs Formula Discrepancy
BACKGROUND
I was debating asking this in math exchange but opted for here since it is based on engineering specification.
I was recently going through the specifications for Whitworth threads in BS 84:...
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If building a DIY screw jack, would it be beneficial to add a gimbal to the jack nut, and/or to the screw attachment?
The screw jack will be used twice daily.
It will be made out of M24 8.8 grade threaded rod and nut.
The nut will travel 300mm, to raise a weight of 50kg by 800m, via a pivoting lever arm.
The parts ...
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2
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Using forming tap to reform eyeglasses female thread
The 1.4mm bore thread of an eyeglasses worn-out,so the screw get loose after some time.I would like to use 1.5mm screw(instead of the original 1.4mm)to fix the problem.
Can i use 1.5mm forming tap(...
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Does the coating(tin/ticn)on forming taps increase their ability to work on harder material
I understand that the coating(Tin,Ticn),on forming/cutting taps,drilling bits etc,makes them last longer,run cooler,drill smoother.
But does the coating on them increase their ability to work on ...
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What is the correct drilling screw diameter for worn bore thread?
What size of drilling screw diameter do I need for
a worn bore thread? (In my case, it is related to eyeglasses.)
The original screw thread diameter is 1.4mm, but since the bore thread is worn,
I need ...
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Shaft Nominal Diameter for M16 thread
I am looking to machine a M16 thread with a pitch of 2mm on a shaft, but I am unsure about what diameter should that shaft be in order to achieve the desired M16 thread. Does this change depending on ...
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3
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Ideal way to create internal thread for 3d prints
I created a two piece case for an electronics project.
The pieces are joined with M3 screws. The screw enters a 3d printed cylinder.
In order for the screw to secure itself, it connects to a nut I ...
- 115
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Figuring out thread (neck finish) for bottle cap
I've done a fairly large amount of googling on two different occasions trying to figure out what neck finish I have on a particular bottle thread I have here.
I'm in europe and this is for a plastic ...
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How to Calculate Maximum Safe Load for M6 Thread in .118in Steel
I am working on a project designing a pendent speaker. The speaker will be housed in a steel ball and suspended from the ceiling using an M6 eyebolt component. The overall weight to be suspended will ...
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Reverse engineering a thread
I have a thread in an actual product, that I want to replicate in a 3d print.
I have no clue on what to measure, and how to replicate it.
This is the thread:
One possible solution is this: I have an <...
- 115
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Straight Thread Seal Performance
Is it possible for straight threads to create a hydraulic/mechanical seal without the use of o-rings or sealants? From what I've read, in the oil industry buttress threads are used, in my application ...
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What grease / lubricant to use on aluminum threads?
I have a coffee grinder with fine aluminum threading as adjustment mechanism. (The rotation is also done while under springs load).
The threading is of a 10cm diameter.
I had to clean the threads ...
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Locating an equivalent clamp
I am looking to locate an equivalent part similar to the one pictured below which I came across. I think it must be a bespoke piece for this particular item. It is essentially a saddle clamp which has ...
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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 ...
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