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Re: AD941 vs. Baileigh JP-1898-NC
The Suvamatic jointer guard is a wonderful add-on with its ability to "rise over" or "slide along", and I seriously considered it, but it protrudes 225 mm (~9 in) minimum and could protrude up to 550 mm (~21.5 in) from the side of the machine. In my tiny shop space I couldn't see walking around that bump constantly, notwithstanding the $2,000+ price tag.
-- - Dave Rossetti, Santa Fe |
Re: RL 125 CFM with new filter
开云体育
There is really no point in measuring less than 30 hz and you don't need to slow the motor to the point where the fan isn't cooling the motor.? There should be a function for current draw.? My vfd is at least 15 years? and has more functions than I ever use.?
Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 1:03 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
Thanks Dave. I caution I read with slowing motor (not designed for that purpose) is that fan slows with it. I think that really becomes an issue if speed is substantially reduced. Unfortunately, my VFD (old) does not display current; I will double
check the manual.
Thanks again for the ideas. I will work on these on Monday.
Imran
On Jan 23, 2021, at 12:45 PM, David Kumm <davekumm@...> wrote: ?
Slowing the motor reduces the amp draw so no issues with the motor.? you can graph a system curve that way and see if increasing the Hz to 65 yields any additional cfm if your meter can stand it.? You can also adjust the gates to match the cfm with the readings
of the slowed motor and compare.? The vfd will measure amp draw so you don't need a meter.? I watch the amp draw more than the hz on my three phase collector.?? When you amps go down to a certain point with certain ports open, I know the filters need blowing
out.? Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 12:32 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
David,
Thanks for the idea. I can measure current draw but your response me think that maybe I can run the motor slower (since i run it with VFD) just for a short time to see if I can get the CFM in meter range. As our resident motor expert, you think
it would be okay to do so? I am hoping that it would only take a bit 80-90% of full speed. It is 4KW, 3 phase motor.
Imran
On Jan 23, 2021, at 12:14 PM, David Kumm <davekumm@...> wrote: ?
Imran, can you measure the amp draw with all gates open and compare that to the cfm reading ?? Then close various gates or partially and match the amp draw with the new cfm readings to get a rough fan curve.? Down the road you can compare amp readings and plot
them against your prior curve to see how the filter affects the cfm.? Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 12:10 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
Does anyone have an idea how much CFM will be reduced when new filter gets dirty? I have few days to return the anemometer and don't have much planned work.
I am curious what the collective thinks about making just a comparative readings with partially closed gates. Just looking for a solution to determine the status of the filter in future. BTW, I failed to report that the light (for difference in pressure) never turned off with new filter installed. I may have to open the sensor like someone else did here. Finally, Bill is correct, the differential pressure sensor compares negative pressure below the filter (dirty side) with ambient. Imran |
Re: AD941 vs. Baileigh JP-1898-NC
开云体育Ok, I cut mine down and works great - they must make it to fit the 20” and use it on all of them. Will snap a pic when i get homeRegards, Mark On Jan 23, 2021, at 12:17 PM, David Davies <myfinishingtouch@...> wrote:
|
Re: RL 125 CFM with new filter
开云体育Thanks Dave. I caution I read with slowing motor (not designed for that purpose) is that fan slows with it. I think that really becomes an issue if speed is substantially reduced. Unfortunately, my VFD (old) does not display current; I will double check the manual. Thanks again for the ideas. I will work on these on Monday. Imran On Jan 23, 2021, at 12:45 PM, David Kumm <davekumm@...> wrote:
?
Slowing the motor reduces the amp draw so no issues with the motor.? you can graph a system curve that way and see if increasing the Hz to 65 yields any additional cfm if your meter can stand it.? You can also adjust the gates to match the cfm with the readings
of the slowed motor and compare.? The vfd will measure amp draw so you don't need a meter.? I watch the amp draw more than the hz on my three phase collector.?? When you amps go down to a certain point with certain ports open, I know the filters need blowing
out.? Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 12:32 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
David,
Thanks for the idea. I can measure current draw but your response me think that maybe I can run the motor slower (since i run it with VFD) just for a short time to see if I can get the CFM in meter range. As our resident motor expert, you think
it would be okay to do so? I am hoping that it would only take a bit 80-90% of full speed. It is 4KW, 3 phase motor.
Imran
On Jan 23, 2021, at 12:14 PM, David Kumm <davekumm@...> wrote: ?
Imran, can you measure the amp draw with all gates open and compare that to the cfm reading ?? Then close various gates or partially and match the amp draw with the new cfm readings to get a rough fan curve.? Down the road you can compare amp readings and plot
them against your prior curve to see how the filter affects the cfm.? Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 12:10 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
Does anyone have an idea how much CFM will be reduced when new filter gets dirty? I have few days to return the anemometer and don't have much planned work.
I am curious what the collective thinks about making just a comparative readings with partially closed gates. Just looking for a solution to determine the status of the filter in future. BTW, I failed to report that the light (for difference in pressure) never turned off with new filter installed. I may have to open the sensor like someone else did here. Finally, Bill is correct, the differential pressure sensor compares negative pressure below the filter (dirty side) with ambient. Imran |
Re: RL 125 CFM with new filter
开云体育
Slowing the motor reduces the amp draw so no issues with the motor.? you can graph a system curve that way and see if increasing the Hz to 65 yields any additional cfm if your meter can stand it.? You can also adjust the gates to match the cfm with the readings
of the slowed motor and compare.? The vfd will measure amp draw so you don't need a meter.? I watch the amp draw more than the hz on my three phase collector.?? When you amps go down to a certain point with certain ports open, I know the filters need blowing
out.? Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 12:32 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
David,
Thanks for the idea. I can measure current draw but your response me think that maybe I can run the motor slower (since i run it with VFD) just for a short time to see if I can get the CFM in meter range. As our resident motor expert, you think
it would be okay to do so? I am hoping that it would only take a bit 80-90% of full speed. It is 4KW, 3 phase motor.
Imran
On Jan 23, 2021, at 12:14 PM, David Kumm <davekumm@...> wrote: ?
Imran, can you measure the amp draw with all gates open and compare that to the cfm reading ?? Then close various gates or partially and match the amp draw with the new cfm readings to get a rough fan curve.? Down the road you can compare amp readings and plot
them against your prior curve to see how the filter affects the cfm.? Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 12:10 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
Does anyone have an idea how much CFM will be reduced when new filter gets dirty? I have few days to return the anemometer and don't have much planned work.
I am curious what the collective thinks about making just a comparative readings with partially closed gates. Just looking for a solution to determine the status of the filter in future. BTW, I failed to report that the light (for difference in pressure) never turned off with new filter installed. I may have to open the sensor like someone else did here. Finally, Bill is correct, the differential pressure sensor compares negative pressure below the filter (dirty side) with ambient. Imran |
Re: RL 125 CFM with new filter
开云体育David, Thanks for the idea. I can measure current draw but your response me think that maybe I can run the motor slower (since i run it with VFD) just for a short time to see if I can get the CFM in meter range. As our resident motor expert, you think it would be okay to do so? I am hoping that it would only take a bit 80-90% of full speed. It is 4KW, 3 phase motor. Imran On Jan 23, 2021, at 12:14 PM, David Kumm <davekumm@...> wrote:
?
Imran, can you measure the amp draw with all gates open and compare that to the cfm reading ?? Then close various gates or partially and match the amp draw with the new cfm readings to get a rough fan curve.? Down the road you can compare amp readings and plot
them against your prior curve to see how the filter affects the cfm.? Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 12:10 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
Does anyone have an idea how much CFM will be reduced when new filter gets dirty? I have few days to return the anemometer and don't have much planned work.
I am curious what the collective thinks about making just a comparative readings with partially closed gates. Just looking for a solution to determine the status of the filter in future. BTW, I failed to report that the light (for difference in pressure) never turned off with new filter installed. I may have to open the sensor like someone else did here. Finally, Bill is correct, the differential pressure sensor compares negative pressure below the filter (dirty side) with ambient. Imran |
Re: AD941 vs. Baileigh JP-1898-NC
Ahhh, I just took that back cover off my AD941.? Yes, it's a cheap thing.? If you find a flexible low cost option let me know. Dave Davies On Sat, Jan 23, 2021 at 11:12 AM PK <paul.kellymjc@...> wrote: Thanks for the quick responses everyone! --
Dave & Marie Davies 318-219-7868 |
Re: RL 125 CFM with new filter
开云体育
Imran, can you measure the amp draw with all gates open and compare that to the cfm reading ?? Then close various gates or partially and match the amp draw with the new cfm readings to get a rough fan curve.? Down the road you can compare amp readings and plot
them against your prior curve to see how the filter affects the cfm.? Dave
From: [email protected] <[email protected]> on behalf of imranindiana via groups.io <imranindiana@...>
Sent: Saturday, January 23, 2021 12:10 PM To: [email protected] <[email protected]> Subject: Re: [FOG] RL 125 CFM with new filter ?
Does anyone have an idea how much CFM will be reduced when new filter gets dirty? I have few days to return the anemometer and don't have much planned work.
I am curious what the collective thinks about making just a comparative readings with partially closed gates. Just looking for a solution to determine the status of the filter in future. BTW, I failed to report that the light (for difference in pressure) never turned off with new filter installed. I may have to open the sensor like someone else did here. Finally, Bill is correct, the differential pressure sensor compares negative pressure below the filter (dirty side) with ambient. Imran |
Re: AD941 vs. Baileigh JP-1898-NC
Thanks for the quick responses everyone!
I also go t a call form Carl today!? Thanks Carl! The guard I was talking about was more accurately described as the cutter cover that mounts behind the fence...? I purchased the comfort guard for in front of the fence. Here are some pics.? Would be great if someone made something more elegant... PK @pkwoodworking |
Re: RL 125 CFM with new filter
Does anyone have an idea how much CFM will be reduced when new filter gets dirty? I have few days to return the anemometer and don't have much planned work.
I am curious what the collective thinks about making just a comparative readings with partially closed gates. Just looking for a solution to determine the status of the filter in future. BTW, I failed to report that the light (for difference in pressure) never turned off with new filter installed. I may have to open the sensor like someone else did here. Finally, Bill is correct, the differential pressure sensor compares negative pressure below the filter (dirty side) with ambient. Imran |
Re: A note of caution
开云体育
I feel bad for the people with positional vertigo.? Always there waiting , a wrong move and you are non functional.? Dave
From: [email protected] <[email protected]> on behalf of Cliff Rohrabacher, Esq. <rohrabacher@...>
Sent: Saturday, January 23, 2021 10:14 AM To: [email protected] <[email protected]> Subject: Re: [FOG] A note of caution ?
On 1/22/21 7:38 PM, David Kumm wrote: > on and off for a year.? In hospital twice and multiple attacks. OUCH? That's?? way more than I had |
Re: A note of caution
Wow, that's scary Mark. I wonder if something similar happened to my shop mate Craig. Given how we found him, with lumber both under him and on top of him, and his leg twisted up in the ladder. We will likely never know.
I too am in the age group (still under 50 by a couple) where I largely feel invincible. This was a sobering reminder that doesn't matter. Craig just turned 60 and is in better shape than I am. His condition is stable, the brain bleeding is under control and no surgery is going to be required. His cognitive tests look good. He will be in the hospital at least a few more days while they monitor things. We may have to reassess how we store lumber and make accessing it via the forklift easier. Jason Holtz J. Holtz Furniture 3307 Snelling Ave. South Minneapolis, MN 55406 612 432-2765 -- Jason J. Holtz Furniture 3307 Snelling Ave. South Minneapolis, MN 55406 |
Re: AD941 vs. Baileigh JP-1898-NC
开云体育Tha ad941 standard guard is as shown below, is the guard you are talking about? When I bought mine last year I was actually looking at the ad741 which also comes with that guard so I added the “comfort” guide which is what imran is showing has 2 hinged joints) which i think is $300-$350 (it’s in the eshop). ?One thing lead to another and I was looking at the ad941, when I told the salesman to add the comfort guard he told me - yea, it shows the other guard in the pic be we swap it out with the comfort guard when we ship it to you. That was in Oct of 2019, even the replacement they sent me with a mid year 2020 had the comfort guard.Regards, Mark On Jan 23, 2021, at 9:25 AM, imranindiana via groups.io <imranindiana@...> wrote:
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Re: AD941 vs. Baileigh JP-1898-NC
开云体育Congratulations. Great to hear a successful delivery story. I see that Felder has changed the guard design. I have the flip up arm design. Anyhow, they still show this on dual51? I am sure mine has two articulating joints. I think Suva makes the segmented flexible guard but I cannot find it on the net. I have seen it posted here. This is what I see from them on scott & sergeant Imran? On Jan 23, 2021, at 12:37 AM, PK <paul.kellymjc@...> wrote:
?Well, It all happened really quickly, but the machine was delivered today!? The freight company Felder picked was great and the driver for the liftgate service was seasoned and really knew what he was doing.? He was helpful and delivered it up my driveway and into the garage.? He also was cool with being filmed with 2 cameras! It is more than I hoped it would be!? ? Really excited with the quality and precision. Delivered at 9am but had work before I could dig in.? With the help of my 2 sons, we got a ramp built, removed it from its pallet and mounted the mobility kit. The fence rail alignment is a mystery, but seems to be ok. I really want to change the power cord to a larger gauge and a longer length, but the warning sticker says DO NOT TOUCH...? I will call Carl Knapp on Monday. I did have a question for the group.? I do not love the cutter head guard, seems so out of place on this machine. I have seen some pictures of people that have replaced the final metal piece with something more flexible, like a segmented plastic serpentine device. Has anyone had any luck replacing that cheap flimsy metal piece? Thank you all for the support and the ideas, I could not be any happier. I will be posting a full delivery, uncrating and setup video to the YouTube channel soon... In 4k... PK @pkwoodworking ?? |
Re: A3-31 Specs
Thank You for all the replies and helpful information.?
The problem ended up being on the hinge side was so hung up and would not adjust down even with the bolts loose. I ended up using a clamp and making the adjustment and all is well. I also found a very useful video on setup on utube. JT? |
Re: AD941 vs. Baileigh JP-1898-NC
Well,
It all happened really quickly, but the machine was delivered today!? The freight company Felder picked was great and the driver for the liftgate service was seasoned and really knew what he was doing.? He was helpful and delivered it up my driveway and into the garage.? He also was cool with being filmed with 2 cameras! It is more than I hoped it would be!? ? Really excited with the quality and precision. Delivered at 9am but had work before I could dig in.? With the help of my 2 sons, we got a ramp built, removed it from its pallet and mounted the mobility kit. The fence rail alignment is a mystery, but seems to be ok. I really want to change the power cord to a larger gauge and a longer length, but the warning sticker says DO NOT TOUCH...? I will call Carl Knapp on Monday. I did have a question for the group.? I do not love the cutter head guard, seems so out of place on this machine. I have seen some pictures of people that have replaced the final metal piece with something more flexible, like a segmented plastic serpentine device. Has anyone had any luck replacing that cheap flimsy metal piece? Thank you all for the support and the ideas, I could not be any happier. I will be posting a full delivery, uncrating and setup video to the YouTube channel soon... In 4k... PK @pkwoodworking ?? |
Re: A note of caution
开云体育Sorry to hear this, the whole grabbing lumber off a rack on a ladder is risky business - a few months ?back I was on the third step (top one) of one of those lightweight aluminum step stools that have the wide platform at the top but the other 2 steps are narrow, i grabbed an 8/4 x 8” x 9’ piece of Walnut of the top rack above my head and before I knew it I was on the floor, couldn’t even move for like what seamed 30 min. I was pretty lucky I didn’t wack my head on my workbench as i just missed it, I fell backwards and my hip landed on a corner of the bandsaw table before I hit the ground. Had my phone but it was on the workbench and I couldn’t get up, seriously thought i was in big trouble as I couldn’t get up. Pretty sure what happened was when I picked up the board it was off center and the inertia from it just flung me off the ladder.?I think , at least for me who originally started out on their own at 19 did a lot of everything on there own in the beginning, there were no limits if it needed to get done it did now that I am getting older (50+, boo-hoo) I have found that I need to be a bit more careful in what I take on by myself (see above)... Regards, Mark On Jan 22, 2021, at 6:40 PM, Cliff Rohrabacher, Esq. <rohrabacher@...> wrote:
|