All Questions
33
questions
0
votes
0
answers
18
views
Single Photon/Electron Emitter
Is it possible to buy single photon/electron emitter in market for experimental purposes? If yes, can you please guide me where and how?
0
votes
1
answer
67
views
Is there any elemental pieces template (blank) which together forms a corrugated box of desired size, or is there anything similar to it?
We run a corrugated box business. I have known elements in chemistry; I was thinking, whether similar to them, there are any elemental corrugated box templates (dieline; keyline) which together form a ...
- 101
0
votes
1
answer
128
views
What would be the best capacitor to use for a railgun that uses a capacitor as the projectile?
I have had a long-time interest and fascination with railgun technology and for a long time I have wanted to build a small-scale, simple railgun as a scientific experiment. This railgun is designed to ...
- 303
1
vote
2
answers
65
views
Replicating an impact impulse
I am building a test-rig for a device. I have operational data showing the device experiences impact loads resembling a half-sine pulse with width dt and magnitude F. The test rig's purpose is to ...
0
votes
1
answer
71
views
What would be an ideal material to use for O-rings on a canister in a lubricant-less, high-velocity pneumatic tube system?
I am interested in building an experimental lubricant-less pneumatic tube system in which the canister will be propelled up to a high-velocity, reaching a peak velocity of approximately 100 m/s before ...
- 303
0
votes
2
answers
145
views
What are the practical solutions to manufacturing this mechanical piece?
My Custom Piece (Measures are in mm)
I'm designing a custom mechanism that needs this piece to be able to function, but when i started thinking about how to manufacture it, I started getting confused ...
- 3
0
votes
0
answers
24
views
Material selection for plunger to be compatible with pressure seal
I am designing a jig to insert a pressure seal into a cap.
The jig has a cavity which the cap fits into and then is loaded with the pressure seal which needs to be inserted further using a plunger. I'...
1
vote
2
answers
169
views
Influence of design on corrosion control
In "Ahmad. (2006). Principles of corrosion engineering and corrosion control (1st ed.). Elsevier/BH.", it is stated that to fight against metallic corrosion it is more convenient to design (...
- 111
0
votes
0
answers
31
views
Vapor deposition of 5um Beryllium onto 0.5um mylar
I am searching for a service that allows the deposition of 5 micron thick Beryillium onto half micron thick mylar for a R&D project I am doing.
I am having a difficult time finding such a service ...
0
votes
2
answers
2k
views
Can stainless steel be used in continuous high temperature environment (500°C to 850°C)
Can i use stainless steel as a furnace roof. Furnace temperature will be max upto 850°C. If so which ss grade will be the best in this situation. Thanks
- 1
1
vote
4
answers
161
views
Is it somehow possible to "lock" moving boxes without damaging them? [closed]
I have a standard moving box like this:
Of course, since I'm asking about it, they don't have a top-down photo. These are other photos, if they help you understand how it's constructed better: ...
- 21
0
votes
3
answers
307
views
Best support for a granite table top?: Flat bar 316L Stainless Steel or equal box section or unequal box section
Project is outdoor granite topped table. Table legs are two isosceles trapezoids crossed together at 90 degrees, with the legs having an internal angle of 80 degrees, made from 100 x 100 x 4mm 316L ...
- 9
1
vote
2
answers
150
views
Driving a lead screw using a universal joint
I have some issues regarding a lead screw.
It's used as the main driving system for a scissor lift which requires about 2Nm torque to operate.
This is the exact part if it matters:
https://www....
- 113
-2
votes
2
answers
77
views
Predict egg drop outcome in random container
What elements affect the outcome of a raw egg drop in a random container?
I’ve considered air resistance, mass, size of container, size and type of padding. Are there other elements?
- 195
-1
votes
3
answers
636
views
Press brake tooling for 360 tube?
I’m trying to find out if it’s possibly to form a cylinder or tube with a diameter of 1 inch using some kind of curling die for a press brake. I’ve seen dies that make small 360 degree bends like that ...
