James Orr wrote:
Michael, is every tool you own bad ass?
It’s one of the best reasons to have a CNC.
![[:Y:]](./images/smilies/smiley20.gif "Thumbs Up")
| Official Luthiers Forum! http://mowrystrings.luthiersforum.com/forum/ |
|
| Temp controller http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10101&t=53551 |
Page 1 of 2 |
| Author: | SnowManSnow [ Mon Sep 28, 2020 6:32 am ] |
| Post subject: | Temp controller |
Who uses a temp controller when bending to maintain constant temperature? If so which one do you employ? Considering upgrading the “thermometer method”:) Thanks B Sent from my iPhone using Tapatalk |
|
| Author: | Michaeldc [ Mon Sep 28, 2020 10:03 am ] |
| Post subject: | Re: Temp controller |
I’ve been using one of these for the last 10yrs. The thermocouples are the weak link. I buy replacement ones on Evil-bay https://www.lmii.com/bending-heating/19 ... -volt.html |
|
| Author: | SnowManSnow [ Mon Sep 28, 2020 10:19 am ] |
| Post subject: | Re: Temp controller |
Michaeldc wrote: I’ve been using one of these for the last 10yrs. The thermocouples are the weak link. I buy replacement ones on Evil-bay https://www.lmii.com/bending-heating/19 ... -volt.html That’s the one I was looking at. I can manage without one, but as I put together a new area I’m wanting to get away from “I manage” ha Sent from my iPhone using Tapatalk |
|
| Author: | phavriluk [ Mon Sep 28, 2020 10:24 am ] |
| Post subject: | Re: Temp controller |
I assembled my own which I found, after the fact, used the same digital controller as shows up in the LMI tool. Lots of time spent. If I had the money to spare, I'd buy the LMI device and concentrate on building guitars. And yes the controllers are luxury itself to watch, holding temperature within a degree! Sure beats light bulbs in a box. |
|
| Author: | Tim Mullin [ Mon Sep 28, 2020 10:24 am ] |
| Post subject: | Temp controller |
SnowManSnow wrote: Michaeldc wrote: I’ve been using one of these for the last 10yrs. The thermocouples are the weak link. I buy replacement ones on Evil-bay https://www.lmii.com/bending-heating/19 ... -volt.html That’s the one I was looking at. I can manage without one, but as I put together a new area I’m wanting to get away from “I manage” ha Sent from my iPhone using Tapatalk The LMI unit is a solid design. If you’re so inclined, you can build your own with readily available parts, but there’s no guarantee you’ll actually save any money doing so. See: http://luthiersforum.com/forum/viewtopic.php?f=10117&t=49239&p=683778&hilit=Controller#p683778 Sent from my iPad using Tapatalk |
|
| Author: | Michaeldc [ Mon Sep 28, 2020 10:47 am ] |
| Post subject: | Re: Temp controller |
As an additional safety feature, I added a pair of motor rated digital timers that are wired in series. I used to use a single rotary timer but after a while it began to stick on, very not good! M |
|
| Author: | Colin North [ Mon Sep 28, 2020 11:16 am ] |
| Post subject: | Re: Temp controller |
Put my own together, been using it for 4 1/2 years now. http://www.luthiersforum.com/forum/viewtopic.php?f=10117&t=47715 Made a basic wooden box with gaps for heat dissipation and stuck everything inside. Bought a mechanical timer switch in B & Q, use that on the supply for safety. https://www.diy.com/departments/diall-1-hour-mechanical-timer/800766_BQ.prd |
|
| Author: | James Orr [ Mon Sep 28, 2020 11:27 am ] |
| Post subject: | Re: Temp controller |
Michael, is every tool you own bad ass? |
|
| Author: | SnowManSnow [ Mon Sep 28, 2020 11:29 am ] |
| Post subject: | Re: Temp controller |
Michaeldc wrote: As an additional safety feature, I added a pair of motor rated digital timers that are wired in series. I used to use a single rotary timer but after a while it began to stick on, very not good! M I don’t understand anything you just said haha Sent from my iPhone using Tapatalk |
|
| Author: | Colin North [ Mon Sep 28, 2020 11:38 am ] |
| Post subject: | Re: Temp controller |
I think he means electronic belt and braces - if one fails to stop, the other should work. Chances of them both failing on the same run are very small. I never, ever leave my shop when I'm side bending anyway. |
|
| Author: | Michaeldc [ Mon Sep 28, 2020 12:09 pm ] |
| Post subject: | Re: Temp controller |
Colin North wrote: I think he means electronic belt and braces - if one fails to stop, the other should work. Chances of them both failing on the same run are very small. I never, ever leave my shop when I'm side bending anyway. Perzactley!! I don’t leave my shop either but I have gotten distracted... |
|
| Author: | Michaeldc [ Mon Sep 28, 2020 12:11 pm ] |
| Post subject: | Re: Temp controller |
James Orr wrote: Michael, is every tool you own bad ass? It’s one of the best reasons to have a CNC.
|
|
| Author: | J De Rocher [ Mon Sep 28, 2020 1:46 pm ] |
| Post subject: | Re: Temp controller |
James Orr wrote: Michael, is every tool you own bad ass? I can confirm. Every tool in Michael's shop is indeed bad ass. As is his shop. |
|
| Author: | Smylight [ Mon Sep 28, 2020 4:07 pm ] |
| Post subject: | Re: Temp controller |
Michaeldc wrote: I’ve been using one of these for the last 10yrs. The thermocouples are the weak link. I buy replacement ones on Evil-bay https://www.lmii.com/bending-heating/19 ... -volt.html Hey Michael, care to share a link to those eBay thermocouples you’re using? Pierre |
|
| Author: | Tim Mullin [ Mon Sep 28, 2020 4:38 pm ] |
| Post subject: | Re: Temp controller |
On Amazon, these work well (although I buy mine from Amazon.ca): https://www.amazon.com/uxcell-Measuring-Thermocouple-Sensor-3-3Ft/dp/B00J2N3QQQ/ref=sr_1_11?dchild=1&keywords=K-type+500c&qid=1601328736&sr=8-11 Main thing is rating of 500°C(800°F) or higher. I consider these to be consumables. My handheld temperature meter uses the same K-type thermocouple, so I usually have it running alongside my blanket controller. Sent from my iPad using Tapatalk |
|
| Author: | ballbanjos [ Mon Sep 28, 2020 5:15 pm ] |
| Post subject: | Re: Temp controller |
I have the parts to put a controller together, but haven't gotten around to it--I babysit the bender when I'm using it anyway, so manual has always been fine (although I did get the parts together for a controller....). Using John Hall's basic method has always worked well for me. For you folks who are using controllers, Is it really enough better to use the controller when you're already watching it closely to make it worthwhile? Dave |
|
| Author: | Tim Mullin [ Mon Sep 28, 2020 5:17 pm ] |
| Post subject: | Temp controller |
| Author: | phavriluk [ Mon Sep 28, 2020 8:50 pm ] |
| Post subject: | Re: Temp controller |
Dave: my answer is yup, the digital controller offers precision that can't be otherwise approximated. Ain't no way I'm going to manually hold a heat blanket to 300 degrees, plus or minus a half-degree, even if I had an electronic thermometer driven by a thermocouple in the stack in the bender. I've got that setup on my bending pipe and it's not anything close to similar to using a digital controller. |
|
| Author: | SnowManSnow [ Tue Sep 29, 2020 10:10 am ] |
| Post subject: | Re: Temp controller |
I’ve been building a bending station with a dedicated bench and now I think I’ll add a shelf for a controller.... if it makes my building more precise and avoids potential issues (cracking from not enough heat or scorching from too much) I’m in Sent from my iPhone using Tapatalk |
|
| Author: | Pmaj7 [ Tue Sep 29, 2020 11:17 am ] |
| Post subject: | Re: Temp controller |
Michael's old shop was badass. I'm sure the new shop is badasser. Pat |
|
| Author: | oatesguitars [ Sun Oct 04, 2020 10:06 pm ] |
| Post subject: | Re: Temp controller |
So, where are you guys getting your heating blankets? I’ve seen some on eBay, most are from China for about $100. Are these any good? |
|
| Author: | Colin North [ Mon Oct 05, 2020 1:32 am ] |
| Post subject: | Re: Temp controller |
oatesguitars wrote: So, where are you guys getting your heating blankets? I’ve seen some on eBay, most are from China for about $100. Are these any good? I have been using a Keenovo side bending blanket 5W/sq.in. for 5/6 guitars now and have had no problems so far. |
|
| Author: | bluescreek [ Mon Oct 05, 2020 5:46 am ] |
| Post subject: | Re: Temp controller |
I have both but find the thermometer a lot easier. The issue with PID transducer , if it is attached to the blanket you only know heat at that point with the thermometer you can move it and check other points. No matter how good with the water on the wood temps vary until the wood dries off so be sure you know your blanket. 5 watts per in will have less temp drop than a 2 1/2 . |
|
| Author: | oatesguitars [ Mon Oct 05, 2020 7:37 am ] |
| Post subject: | Re: Temp controller |
Keenivo is the brand I’m looking at on eBay. |
|
| Author: | mountain whimsy [ Mon Oct 05, 2020 9:40 am ] |
| Post subject: | Re: Temp controller |
I've been using the keenovo blankets for about a dozen guitars. I also use the temp controller. It's OK, but you definitely need to keep an eye on things. Not nearly as good as what I hear the LMI controller does. |
|
| Page 1 of 2 | All times are UTC - 5 hours |
| Powered by phpBB® Forum Software © phpBB Group http://www.phpbb.com/ |
|