Tip Press that works for me

for those who arent native english :p

could you post a picture of the setup?
one picture says more then 1000 words..

i have no idea what a jig, a fender , etc is :embarrassed2:
 
Take a look at these, they come in different tensions. You can stack them in various ways to get different pressures.

What is the definition of Belleville washer?

  • A conical washer that can be stacked to create a powerful compression spring. The Belleville washer is often used to support applications with high loads and insufficient space for a coil spring.
  • Belleville springs are a coned disk spring typically containing a hole in the center for a non-permanent fasteners (bolt et. al.). Bolt pretensioning is a typical use for a Belleville washer.
  • Belleville springs can be nested (making springs in parallel) making more spring deflection for the same amount of load OR allowing higher loads with the same deflection - depending on their orientation. While useful, nesting Belleville springs can be unstable.
  • With proper design (selection), Belleville springs can be used for a "snap-acting" mechanism. Likewise, with proper design/selection, the spring can have constant force over a large deflection. This type of design maintains bolt pretension when a dynamic load is present or in situation where thermal expansion/contraction is significant.

Cite: Shigley, Joseph et. al. "Mechanical Engineering Design" 7th International Edition. 2004.

FYAS88499EEYVZCVH3.SMALL.jpg


GOOGLE: BELLEVILLE WASHER

CALCULATIONS

A spring might be a good idea but it would have to be pretty strong like maybe an engine valve spring. Easy enough to try though and see what the outcome is.
 
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Take a look at these, they come in different tensions. You can stack them in various ways to get different pressures.

What is the definition of Belleville washer?

  • A conical washer that can be stacked to create a powerful compression spring. The Belleville washer is often used to support applications with high loads and insufficient space for a coil spring.
  • Belleville springs are a coned disk spring typically containing a hole in the center for a non-permanent fasteners (bolt et. al.). Bolt pretensioning is a typical use for a Belleville washer.
  • Belleville springs can be nested (making springs in parallel) making more spring deflection for the same amount of load OR allowing higher loads with the same deflection - depending on their orientation. While useful, nesting Belleville springs can be unstable.
  • With proper design (selection), Belleville springs can be used for a "snap-acting" mechanism. Likewise, with proper design/selection, the spring can have constant force over a large deflection. This type of design maintains bolt pretension when a dynamic load is present or in situation where thermal expansion/contraction is significant.

Cite: Shigley, Joseph et. al. "Mechanical Engineering Design" 7th International Edition. 2004.

FYAS88499EEYVZCVH3.SMALL.jpg


GOOGLE: BELLEVILLE WASHER

CALCULATIONS
Great Idea. I had no idea they even existed.

Thanks, Ray
 
how about using two plates, where you can fit many tips on , and then just screw the plates together.

1650_16Hole_LG.png


Place 10 tips in the middle, fill the wholes with nuts and bolts.
I think its better to place all the tips in the same surface , rather then stacking them up one above another like in a coupler, where some tips will be compressed more then others.

Ideally, if you could build some inside domes in one of the plates, then the tipps would come out with a dome instead of flattend.


EDIT:

Or even better. USe a plate like the one above with holes of 14mm/13mm and height = heigt of the tip you want.
Ideally one plate would be 1mm thick, so you could stake some plates one above the other to get the desired height.
fill the holes with tips, and then place 2 flat plates above it (like a sandwich and bolt them together) untill all plates are flush. your tips will all have same diameter and same height.

something like this:

57734161.jpg
 
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