I just read the article on 6mmBR on case annealing and I couldn't find anything beyond the mention that the BC1000 machine has a reservoir for hot water to preheat the cases. Anyone know why this is done?
Preheating cases before annealing???
- Thread starter Doyputasos
- Start date
Re: Preheating cases before annealing???
My guess is that the reservoir is to keep the heat from mitigating down the case body during the annealing process. The last place you want hot is the case head. Just my take on it.
Regards, Paul
My guess is that the reservoir is to keep the heat from mitigating down the case body during the annealing process. The last place you want hot is the case head. Just my take on it.
Regards, Paul
Re: Preheating cases before annealing???
Bolt fluter's correct; the water in the reservoir is there to act as a heat sink, not to pre-heat the cases. So long as there's water in the reservoir, the shell plate has to stay below 212 degrees. Being close fitting with the cases (in the appropriate shell holder) prevents the heat directed to the neck area from migrating too far down the case.
Bolt fluter's correct; the water in the reservoir is there to act as a heat sink, not to pre-heat the cases. So long as there's water in the reservoir, the shell plate has to stay below 212 degrees. Being close fitting with the cases (in the appropriate shell holder) prevents the heat directed to the neck area from migrating too far down the case.
Re: Preheating cases before annealing???
Guys:
These are the "actual" instructions off Ken Light's website...and he designed the annealer:
6. TURN OFF THE TORCHES AND MACHINE AND REMOVE THE WHEEL TO PREHEAT IT UNDER A HOT WATER STREAM.
REINSTALL THE WHEEL AND PUT 1/2" OF HOT WATER IN THE 1" THICK WHEELS AND 1/4" OF HOT WATER IN THE 1/2"
THICK WHEELS. DON'T OPERATE WITHOUT WATER IN THE WHEEL.
If you watch video's of the Ken Light machine on You Tube, you will notice that it never stops moving...the cases go thru the flames very quickly, and this is why he says to "preheat" your brass.
Other machines like the Bench Source actually stop the cases in the flames, which gives them some "dwell" time to get hot.
Guys:
These are the "actual" instructions off Ken Light's website...and he designed the annealer:
6. TURN OFF THE TORCHES AND MACHINE AND REMOVE THE WHEEL TO PREHEAT IT UNDER A HOT WATER STREAM.
REINSTALL THE WHEEL AND PUT 1/2" OF HOT WATER IN THE 1" THICK WHEELS AND 1/4" OF HOT WATER IN THE 1/2"
THICK WHEELS. DON'T OPERATE WITHOUT WATER IN THE WHEEL.
If you watch video's of the Ken Light machine on You Tube, you will notice that it never stops moving...the cases go thru the flames very quickly, and this is why he says to "preheat" your brass.
Other machines like the Bench Source actually stop the cases in the flames, which gives them some "dwell" time to get hot.
