Neck tension vs Concentricity

[JimSC]

I just wonder why someone has not just rigged up a load cell device that that you could sit beneath the die on a arbor press and connect to a phone via bluetooth to store the data for a spreadsheet or graphing program

 

[Schandler]

Or on the handle of the press itself - this thread ought to get some gears turning

 

[Falfan2017]

I just wonder why someone has not just rigged up a load cell device that that you could sit beneath the die on a arbor press and connect to a phone via bluetooth to store the data for a spreadsheet or graphing program

That makes too much sense. Would never work.

Looks like you can buy a 50 kg load cell for 5 bucks. What would you need to read it?

 

[Dusty Stevens]

Or on the handle of the press itself - this thread ought to get some gears turning

Youd sell one... maybe.

 

[Uncle Ed]

These silly methods never work, below the duct tape rips and then the string breaks before I get the desired neck tension or seating force.

 

[Puzzaz01]

These silly methods never work, below the duct tape rips and then the string breaks before I get the desired neck tension or seating force.

Now that's some red neck engineering!

Darrin

 

[JimSC]

That makes too much sense. Would never work.

Looks like you can buy a 50 kg load cell for 5 bucks. What would you need to read it?

Mad skilz in Arduino, well maybe not, someone has already figured it out. You will need a amp and a resistor, some ingenuity and soldering skills. Less than 100 bucks for parts.

here is a how to link - https://www.instructables.com/id/Arduino-Load-Cell-Scale/

if you need help see if there is a Makerspace near you. Lots of people there who teach soldering and practical electronics

http://www.makerspaceforeducation.com/makerspace.html

start making them and I am sure you could sell a few to the BR crowd

 

[muleman69]

These silly methods never work, below the duct tape rips and then the string breaks before I get the desired neck tension or seating force.

I like putting a chicken egg between the shell holder and case, run the handle up either I get the right tension or I get to clean up the mess.

 

[Ringostar]

I just wonder why someone has not just rigged up a load cell device that that you could sit beneath the die on a arbor press and connect to a phone via bluetooth to store the data for a spreadsheet or graphing program

Last February at the Berger match there was someone selling arbor presses with a hydro gauge mounted at the base. It took readings from pressure under the die as your suggesting.

 

[Uncle Ed]

I like putting a chicken egg between the shell holder and case, run the handle up either I get the right tension or I get to clean up the mess.

There is nothing worse than making a mistake when reloading and ending up with egg on your face.

 

[muleman69]

There is nothing worse than making a mistake when reloading and ending up with egg on your face.

That I never thought about ..........lol

 

[dkhunt14]

I am one of those fellas and use Forster coax for 6br. I “ feel” the neck tension when pushing bullet in case and sort by feel. Turn necks to clean up and Rifle shoots great but not one small hole and i like the idea of a gauge to measure pressure when seating and have always wanted to ask does such a tool exist for Forster ?? One day i will play with 6 ppc and have all the good toys even if it’s just for bragging rights but until then is there a gauge for seating pressure without using arbor press ?

With the compound leverage of a link in a press, it would be about impossible. You cannot feel bullet seating with a regular press. I argued with a guy about that and left him pull the handle on an arbor press and seat a bullet. His eyes about popped out his head when he pulled the handle. He ordered one the next day. Matt

 

[Falfan2017]

With low neck tension brass I've used my hand to seat bullets with the wilson dies. Then you really can feel the pressure. Not as good as a gauge but you can feel if there's an outlier.

 

[johara1]

You will feel them better and more controlled with an arbor press, plus you seating depth will be more uniform..... jim

 

[fguffey]

I have tension gages that is not a problem for me because all of my tension gages measure in pounds, I do have one that measure deflection in thousandths And then there is interference fit and crush fit but there is no measuring in tensions because there is no conversation from pounds to tension or tensions to interference fits.

And if a reloader could purchases a too that measures the effort necessary to seat a bullet it will measure effort in pounds with no way to convert the pounds to tensions.

Can you imagine the reloaders on reloading forums talking about seating bullets with 10 tensions or 15 tensions or 5 tensions.

F. Guffey

 

[fguffey]

and if I wanted to know how much bullet hold the neck has I would go straight to measuring bullet hold in pounds. Again I have tension gages, not a problem for me but none of my tension gages measure in tensions.

F. Guffey

 

[AJC]

The measurement would not be the value, but seeing the consistency or lack there of would be the added value

 

[Intheshop]

Yeah fgooffey,I don't like using the word "tensions" either,my seater/s are calibrated in "marks"..... you know,little lines. It's obviously not an absolute measure,it's a comparison.Therefore you can call it whatever you want?

and if I wanted to know how much bullet hold the neck has I would go straight to measuring bullet hold in pounds. Again I have tension gages, not a problem for me but none of my tension gages measure in tensions.

F. Guffey

 

[Dusty Stevens]

Me and guffey are the only reloaders here that can measure bullet seating force in pounds. Id like to see yalls setups for measuring in tensions- thats just rediculous. Whats the conversion so me and guffey can talk with yall?

 

[johara1]

I used tension gauges on the cables on light aircraft, they measured in lbs also . the hyd. gauges for measuring seating pressure or neck tension works good but so do the K&M set up.... jim