Knowledge You Can Build On — Est. 1998
PM3520=AM radio static
Ron
>Hi all,
My 3520 causes AM radio static on stations other than the local one. The radio is a car stereo hooked to a car battery, which I recharge when needed. The static occurs if I try an electric radio, too, and on a Walkman.
Any suggestions to rid myself of the static? FM stations work fine, but I like to listen to sports and talk sometimes, too.
Thanks.
Ron
Detroit Lakes, MN
Re: PM3520=AM radio static
AndiWolfe
>Ron - You might check with some of the local amateur radio operators for solutions. RFI (radio frequency interference) is something hams have been dealing with for decades. It may be something a simple as checking to make sure everything is grounded properly on your lathe, or you may need to figure out some shielding for the motor.
Andi
WU5W (but, haven't been active for years)
Re: PM3520=AM radio static
Jerry Nicholson
>Does this machine have a 2 to 3 phase static converter? If so, the converter could be the problem and might need filtering on its input and output leads.
Jerry
Oneway sells AM filters.........
Michael Stadulis, in Gloucester County, NJ
>I ordered my lathe with an optional AM RF static filter. I think it was a $30 extra. Oneway also sells the kits for aftermarket installation so I bet you could use theirs. The filter is about the size of a small cell phone. Very few connections.
Mike
Re: PM3520=AM radio static
Tony Reynolds
>Had no idea Andi.
Tony KB8JVH
Re: PM3520=AM radio static
AndiWolfe
>cool, Tony. My heyday was storm chasing in Oklahoma. Used to spend a lot of hours in the control center of the national weather service in Norman. Haven't been active in Ohio, but my hubby does cw qrp contests. 73's
Re: PM3520=AM radio static
Dick Hines
>Ron, you could always send your 3520 to me and in return I will send you my Jet mini. I have one 3520 now and would miss the Jet but I will bite the bullet.
Re: PM3520=AM radio static
Ron
>Sure! Then I'd have a mate for my Jet Mini. Maybe they would have baby Jet Minis, and I could nuture them and eventually have a Jet 1640. :)
Re: PM3520=AM radio static
john Lucas
>Ron
Put the minis on steroids and you may get a 3520. I've wondered if I was disturbing my neighbors radio but then I don't care because they disturb me with their bass speakers.
I am moving into a nicer neighborhood however so I guess I'll have to ask around. My immediate neighbor has huge antenna's. Apparently he's into CB or Ham. I'll have to ask.
Re: PM3520=AM radio static
Wood Spinner
>Check with Radio Shack. I think they have a filter for a low price.
Good turning and be safe
Bill in Casa Grande, AZ.
Re: PM3520=AM radio static
Arch
>Hi Andi, Maybe turning on a mini-lathe is QRP.
If so, then your Stubby must be QRO. ---.. ---..
Turn To Safety, Arch
Re: PM3520=AM radio static
Ron
>Bill- I did go there and they had an automotive filter that went between the car battery and the radio. It didn't help. Do you know what else they may have that I could ask for?
Thanks. Ron
Re: PM3520=AM radio static *LINK*
Mark Kauder. Phenix City, AL
>Ron,
Thanks for posting this question, now I will get off my butt and fix that same nagging problems with my Vega 2400. Though the interferance has caused me to listen to more music, and less of that nasty right wing talk . (;>)
Here is the link to Oneway's offering. I am emailing them an inquiring if it will wire into other lathes. I will post the response.
All PM3520A owners......
W.C. Turner
>should band together & contact Powermatic about this problem. This has been an ongoing problem & PM has had more than enough time to get it corrected, & pass the solution on to their customers.
Re: All PM3520A owners......
Mark Kauder
>W.C. While I might encourage you in your quest, you must remember that it is not just a Powermatic problem. It is a fact for all of these types of VS motors/controllers. As expensive as a Oneway is, they still do not make the filter a standard installation on their lathes.
More power to you.
Mark
Re: All PM3520A owners......
Ron
>I didn't know it was a standard problem as my internet searches didn't turn up much. Would sure be nice if they offered a 'filter' or whatever else is needed. At a reasonable cost, of course. Then, if we get a remedy, we can debate who has the best 'filter' for our lathes. >grin<
Radio Static - A filter
Mark Kauder
>I contacted Oneway, and they told me this morning that the RFI filter that they sell will work on any AC Variable Speed controller/motor setup.
Mark
Re: Radio Static - A filter
Ron E.
>Do you plan to order one? I seem to remember reading in my manual not to monkey with the inverter as it could void the warrenty. Let me know if you get one, and how it works.
Thanks.
Ron
