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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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On topic, We have rotation!
Re-powered the lathe and mill today. Of course both ran backwards
Quickly fixed that. One irritating thing is that I can power up the 5hp rpc w/o problems but when I fire up the 3HP Clausing 6903 lathe, my dsl modem in the house reboots. Sorta annoying for the people using my irc server. Strange thing is my UPS log doesn't show any issues other than the every night a less than a second power interruption around 2:15 am. I wonder if that hefty 3ga aluminum wire they run though the woods to my house has anything to do with it. It has had a few trees dropped on it during storms, might not be 3ga anymore since it does seem to hang low in places. Anyone have a lead to an inexpensive online ups? The offline one works fine with the rest of the stuff. It doesn't have to be very big, only need to keep an 18 watt tranformer up. Wes -- The only thing Obama has fixed is Carter's reputation. |
#2
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On topic, We have rotation!
Wes wrote: Re-powered the lathe and mill today. Of course both ran backwards Quickly fixed that. One irritating thing is that I can power up the 5hp rpc w/o problems but when I fire up the 3HP Clausing 6903 lathe, my dsl modem in the house reboots. Sorta annoying for the people using my irc server. Strange thing is my UPS log doesn't show any issues other than the every night a less than a second power interruption around 2:15 am. I wonder if that hefty 3ga aluminum wire they run though the woods to my house has anything to do with it. It has had a few trees dropped on it during storms, might not be 3ga anymore since it does seem to hang low in places. Anyone have a lead to an inexpensive online ups? The offline one works fine with the rest of the stuff. It doesn't have to be very big, only need to keep an 18 watt tranformer up. Wes Do a DC side UPS for 12V stuff like the modem. Battery charger and battery really, since all the devices taking 12V have their own regulators. |
#3
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"Pete C." wrote:
Do a DC side UPS for 12V stuff like the modem. Battery charger and battery really, since all the devices taking 12V have their own regulators. Darn thing uses 18 vac. Wes -- "Additionally as a security officer, I carry a gun to protect government officials but my life isn't worth protecting at home in their eyes." Dick Anthony Heller |
#4
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On Dec 27, 6:34*pm, Wes wrote:
Re-powered the lathe and mill today. *Of course both ran backwards Quickly fixed that. One irritating thing is that I can power up the 5hp rpc w/o problems but when I fire up the 3HP Clausing 6903 lathe, my dsl modem in the house reboots. *Sorta annoying for the people using my irc server. *Strange thing is my UPS log doesn't show any issues other than the every night a less than a second power interruption around 2:15 am. I wonder if that hefty 3ga aluminum wire they run though the woods to my house has anything to do with it. *It has had a few trees dropped on it during storms, might not be 3ga anymore since it does seem to hang low in places. Anyone have a lead to an inexpensive online ups? *The offline one works fine with the rest of the stuff. *It doesn't have to be very big, only need to keep an 18 watt tranformer up. Wes Sounds like what you need is a power line filter on your lathe. Had the same problem when I'd fire up the solid-state speed controller on my little 7x, UPS on the computer would go nuts from the hash. I got a line filter module and constructed a box with it in it plus suitable line cord in and outlet out, problem solved. I got the filter module from the local ham and surplus store, now defunct. I preferred to filter out the interference at the source. 3HP might be tough to find a suitable filter for, though. Check the usual suppliers, Mouser, Digi-Key, maybe Allied. You might see what can be had on the surplus market, Herbach and Rademan used to carry a lot of electromechanical stuff. APS has some smallish UPS units and filters, I picked up one at the now-defunct Circuit City for about $50, looks like a somewhat oversized power strip. Works well enough on the satellite box and TV monitor. Most of the office supply joints carry that line and that size. Or try www.microcenter.com. Stan |
#5
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On topic, We have rotation!
Wes wrote: "Pete C." wrote: Do a DC side UPS for 12V stuff like the modem. Battery charger and battery really, since all the devices taking 12V have their own regulators. Darn thing uses 18 vac. Wes Yuck. Open the modem, find the output after the regulator and add a hefty capacitor so it can ride through the small glitch. |
#6
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Wes wrote:
Re-powered the lathe and mill today. Of course both ran backwards Quickly fixed that. One irritating thing is that I can power up the 5hp rpc w/o problems but when I fire up the 3HP Clausing 6903 lathe, my dsl modem in the house reboots. Sorta annoying for the examine your ground and neutrals. All that (telecom) equipment is alleged to be isolated, but good luck finding top qualiy components in a DSL modem. floating voltage on neutral can really screw with telecom equipment. An isolation transformer may help if used to run the modem. seach for power conditioner and powervar or oneac. They're really expensive new, and really cheap used, especially for small ones like used to run a cash register. Throwing bogus chinese UPSes at the problem will cost more. |
#7
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"Cydrome Leader" wrote in message ... Wes wrote: Re-powered the lathe and mill today. Of course both ran backwards Quickly fixed that. What did you do, turn it around? snerk........ Steve g Isn't it nice when a plan comes together? Or you get a heavy piece of "stuff" home and find out it ACTUALLY WORKS! |
#8
Posted to rec.crafts.metalworking
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Wes wrote:
Re-powered the lathe and mill today. Of course both ran backwards Quickly fixed that. One irritating thing is that I can power up the 5hp rpc w/o problems but when I fire up the 3HP Clausing 6903 lathe, my dsl modem in the house reboots. Sorta annoying for the people using my irc server. Strange thing is my UPS log doesn't show any issues other than the every night a less than a second power interruption around 2:15 am. DSL works with incredibly small signals, pumping hundreds of KHz to over 1 MHz through miles of twisted pair is a complete miracle to begin with. So, it is most likely electrical noise generated by the contactors, etc. that is your problem, and not actually a power dip. You may need to check grounding of the lathe, or possibly add power line filters to the lathe, RPC or whatever, to get rid of it. Are you sure the modem actually reboots, or does it just lose sync with the DSLAM and have to re-sync with it? (That probably looks a lot the same from the blinking lights.) Jon |
#9
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On topic, We have rotation!
"Steve B" wrote:
"Cydrome Leader" wrote in message ... Wes wrote: Re-powered the lathe and mill today. Of course both ran backwards Quickly fixed that. What did you do, turn it around? snerk........ Steve g Isn't it nice when a plan comes together? Or you get a heavy piece of "stuff" home and find out it ACTUALLY WORKS! The lathe needed a bit of work. Webpage should work. http://wess.freeshell.org/clausing/Clausing.html Wes -- "Additionally as a security officer, I carry a gun to protect government officials but my life isn't worth protecting at home in their eyes." Dick Anthony Heller |
#10
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Jon Elson wrote:
Wes wrote: Re-powered the lathe and mill today. Of course both ran backwards Quickly fixed that. One irritating thing is that I can power up the 5hp rpc w/o problems but when I fire up the 3HP Clausing 6903 lathe, my dsl modem in the house reboots. Sorta annoying for the people using my irc server. Strange thing is my UPS log doesn't show any issues other than the every night a less than a second power interruption around 2:15 am. DSL works with incredibly small signals, pumping hundreds of KHz to over 1 MHz through miles of twisted pair is a complete miracle to begin with. So, it is most likely electrical noise generated by the contactors, etc. that is your problem, and not actually a power dip. You may need to check grounding of the lathe, or possibly add power line filters to the lathe, RPC or whatever, to get rid of it. Are you sure the modem actually reboots, or does it just lose sync with the DSLAM and have to re-sync with it? (That probably looks a lot the same from the blinking lights.) I shouldn't have said reboots. It seems to break connection since I lose everyone connected to my irc server. One of these days when uncle is over to use the lathe, I'll have him start and stop it while I'm inside watching the lights. I went outside with my meter intending to monitor line voltage using the min/max function while I started up rpc and then lathe. I also had my laptop out there so I could monitor the irc server. Got sidelined with installing shelving and mounting a baseboard heater. I do have 242 volts unloaded and turning on a 1500 watt 240v baseboard only dropped the voltage a couple tenths. The dsl modem in the house was being powered by 121 volts at the time I checked and is pluggged into a Isobar 6 that is suppled by an off line ups. Tomorrow, I'll check line voltage at the dsl modem while powering up the lathe. My fluke has that min max function. I'd do it right now but I'm not heading back out into the winter storm tonight to get to the shop. I'll keep what you said in mind. I have a very open mind when troubleshooting electrical issues. Thanks, Wes |
#11
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On topic, We have rotation!
Wes wrote in
: The dsl modem in the house was being powered by 121 volts at the time I checked and is pluggged into a Isobar 6 that is suppled by an off line ups. I have read some cautions to having a quality surge suppressor connected to the output of a UPS. Good suppressors have noise filtering circuits that could be severely taxed by the spikes and DC components of a non "pure or true" sine wave UPS output. I checked the manual for the Isobar and it doesn't have any UPS related warning but for the simple swapping of pulgs it seems pretty simple to change and be safer than sorry. A $5 power bar will suffice downstream of the UPS if you need the extra outlets. |
#12
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Charles U Farley wrote: Wes wrote in : The dsl modem in the house was being powered by 121 volts at the time I checked and is pluggged into a Isobar 6 that is suppled by an off line ups. I have read some cautions to having a quality surge suppressor connected to the output of a UPS. Good suppressors have noise filtering circuits that could be severely taxed by the spikes and DC components of a non "pure or true" sine wave UPS output. I checked the manual for the Isobar and it doesn't have any UPS related warning but for the simple swapping of pulgs it seems pretty simple to change and be safer than sorry. A $5 power bar will suffice downstream of the UPS if you need the extra outlets. Most UPSes do not want to have surge suppressers downstream from them, when MOVs downstream clamp on a bit of spike that got through before the UPS switched to inverter, they blow the inverter. |
#13
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On Mon, 28 Dec 2009 19:12:43 -0500, Wes wrote:
s Very nicely done Wes...nicely done and photographed! Bravo! Gunner "I am for doing good to the poor, but I differ in opinion of the means. I think the best way of doing good to the poor, is not making them easy in poverty, but leading or driving them out of it. In my youth I travelled much, and I observed in different countries, that the more public provisions were made for the poor the less they provided for themselves, and of course became poorer. And, on the contrary, the less was done for them, the more they did for themselves, and became richer." -- Benjamin Franklin, /The Encouragement of Idleness/, 1766 |
#14
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DSL has a limited length in feet or meters.
Not miles. The twisted pair goes to a server bay then to optic. Many cities are optic in the front yard or at the corner. ADSL is taking over for normal DSL. Advanced... :-) I have three ADSEL modems in the house. One is a backup. Martin Jon Elson wrote: Wes wrote: Re-powered the lathe and mill today. Of course both ran backwards Quickly fixed that. One irritating thing is that I can power up the 5hp rpc w/o problems but when I fire up the 3HP Clausing 6903 lathe, my dsl modem in the house reboots. Sorta annoying for the people using my irc server. Strange thing is my UPS log doesn't show any issues other than the every night a less than a second power interruption around 2:15 am. DSL works with incredibly small signals, pumping hundreds of KHz to over 1 MHz through miles of twisted pair is a complete miracle to begin with. So, it is most likely electrical noise generated by the contactors, etc. that is your problem, and not actually a power dip. You may need to check grounding of the lathe, or possibly add power line filters to the lathe, RPC or whatever, to get rid of it. Are you sure the modem actually reboots, or does it just lose sync with the DSLAM and have to re-sync with it? (That probably looks a lot the same from the blinking lights.) Jon |
#15
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On Tue, 29 Dec 2009 21:30:24 -0600, "Martin H. Eastburn"
wrote: DSL has a limited length in feet or meters. Not miles. The twisted pair goes to a server bay then to optic. Many cities are optic in the front yard or at the corner. ADSL is taking over for normal DSL. Advanced... :-) Asymmetric!!!! Mark Rand RTFM |
#16
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On Wed, 30 Dec 2009 08:57:36 +0000, Mark Rand
wrote: On Tue, 29 Dec 2009 21:30:24 -0600, "Martin H. Eastburn" wrote: DSL has a limited length in feet or meters. Not miles. The twisted pair goes to a server bay then to optic. Many cities are optic in the front yard or at the corner. ADSL is taking over for normal DSL. Advanced... :-) Asymmetric!!!! Agreed! Asymmetric - as in 750K down, but only 256K up. They DO sell Symmetric DSL service, usually the "Business Class" stuff that is over $100 a month. 3Meg down and up, to the skies the limit - but after a while it's cheaper to just get a real DS-1 (T-1) line and get the service availability guarantees that come with it. Except all I can get at 21KFT out from the CO is 384K down, 128K up, and at&t won't let anyone else use their UVerse Remote DSLAM's. But it's still a lot better than dial-up. 44K wouldn't be so bad if it wasn't for all the graphics they want to shove down the line. -- Bruce -- |
#17
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On Tue, 29 Dec 2009 21:30:24 -0600, "Martin H. Eastburn" wrote: DSL has a limited length in feet or meters. Not miles. The twisted pair goes to a server bay then to optic. Many cities are optic in the front yard or at the corner. 8000 feet qualifies as more than one mile, doesn't it? We cite that (in English) as 1.515 Miles, not 1.515 Mile. Standard DSL requires a total drop of no more than 8Kft. from the R.T. to the customer's modem device. Even old copper (30+ years in the air) works fine at that distance, so long as there are not ground faults or excessive leakage between conductors. LLoyd |
#18
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Bruce L. Bergman fired this volley in
news Except all I can get at 21KFT out from the CO is 384K down, 128K up, and at&t won't let anyone else use their UVerse Remote DSLAM's. DSL won't work at all over copper at that distance. You may be 21Kft from the CO, but you're less than 8K feet from the local RT. Since most digital services are on fiber from the CO to the RT, that distance doesn't matter much. What matters most is how many feet you are from the RT, what shape your copper media is in (which you cannot control), and how many other subscribers are sharing the RT (which divides available bandwidth among them). LLoyd |
#19
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On Wed, 30 Dec 2009 20:44:38 -0600, "Lloyd E. Sponenburgh"
lloydspinsidemindspring.com wrote: Bruce L. Bergman fired this volley in news Except all I can get at 21KFT out from the CO is 384K down, 128K up, and at&t won't let anyone else use their UVerse Remote DSLAM's. DSL won't work at all over copper at that distance. You may be 21Kft from the CO, but you're less than 8K feet from the local RT. Since most digital services are on fiber from the CO to the RT, that distance doesn't matter much. What matters most is how many feet you are from the RT, what shape your copper media is in (which you cannot control), and how many other subscribers are sharing the RT (which divides available bandwidth among them). LLoyd Yes it does. I was at a slightly greater distance than that and got 2mb/S down/500kb/S up until converting back to cable. Mark Rand RTFM |
#20
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On Dec 30, 9:44*pm, "Lloyd E. Sponenburgh"
lloydspinsidemindspring.com wrote: Bruce L. Bergman fired this volley innews Except all I can get at 21KFT out from the CO is 384K down, 128K up, and at&t won't let anyone else use their UVerse Remote DSLAM's. DSL won't work at all over copper at that distance. *You may be 21Kft from the CO, but you're less than 8K feet from the local RT. *Since most digital services are on fiber from the CO to the RT, that distance doesn't matter much. *What matters most is how many feet you are from the RT, what shape your copper media is in (which you cannot control), and how many other subscribers are sharing the RT (which divides available bandwidth among them). LLoyd I'm not sure where you got this information from, but it's incorrect. Modern DSLAMS work quite well over 20K feet. I spent two years contracting for AT&T DSLAM engineering, qualifying equipment from Lucent, IBM & Copper Mountain. More often than not, the limiting factor is load coils on the lines. Remember that all this copper was designed to carry voice, and has not changed much from the original stuff installed over a hundred years ago. If you can get your local guys to check for load coils and remove them, you'll likely see an improvement. But you have to ask them nicely. |
#21
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On Thu, 31 Dec 2009 03:02:01 +0000, Mark Rand
wrote: On Wed, 30 Dec 2009 20:44:38 -0600, "Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote: Bruce L. Bergman fired this volley in news Except all I can get at 21KFT out from the CO is 384K down, 128K up, and at&t won't let anyone else use their UVerse Remote DSLAM's. DSL won't work at all over copper at that distance. You may be 21Kft from the CO, but you're less than 8K feet from the local RT. Since most digital services are on fiber from the CO to the RT, that distance doesn't matter much. What matters most is how many feet you are from the RT, what shape your copper media is in (which you cannot control), and how many other subscribers are sharing the RT (which divides available bandwidth among them). LLoyd Yes it does. I was at a slightly greater distance than that and got 2mb/S down/500kb/S up until converting back to cable. Mark Rand RTFM Lloyd, the hard limit is supposed to be 22,000 feet, and I"m 'officially' at 21Kft and change. If you measure physically it's a lot less straight-line - but on a diagonal to the street grid. They must have made a few extra zigs and zags actually getting here. The DSL works, but it wheezes and sputters, they said even at 384/128 there are more resets and bad frames than they would like to see. But as we all know, if it ain't broke don't fix it. Lived here 38 years, and there are no RSU's or RLU's or Concentrators other electronics between here and the CO - we were on Crossbar (818-883) when we moved in. Trust me, I was a GTE Construction Cable Splicer and COE Construction Installer, I think I would have noticed them digging the big hole for a Controlled Environment Vault, and the access hatch is unmistakable... at&t installed a RSU out of Canoga Park for the folks south of the US-101 around the Motion Picture Hospital, and in a very subtle move forced everyone to change their phones to 818-222 and 818-223 -- Bruce -- |
#22
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#23
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Bruce L. Bergman wrote:
Except all I can get at 21KFT out from the CO is 384K down, 128K up, and at&t won't let anyone else use their UVerse Remote DSLAM's. I'm a 9 iron shot from the CO and all I could afford was 384K d/u. Noticed in the mail they increased it to 1M D/ 384K U. Nice Christmas present. I have a feeling that new FCC rules might be involved rather than my phone company being generous. The only thing good I can say about my service is I have non-fire walled fixed ip. Handy to have if you are a re-purposed geek. Wes -- "Additionally as a security officer, I carry a gun to protect government officials but my life isn't worth protecting at home in their eyes." Dick Anthony Heller |
#24
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"Martin H. Eastburn" wrote: DSL has a limited length in feet or meters. Not miles. The twisted pair goes to a server bay then to optic. Many cities are optic in the front yard or at the corner. ADSL is taking over for normal DSL. Advanced... :-) No, it's ' Asynchronous', which is different upload and download speeds. -- Greed is the root of all eBay. |
#25
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On Tue, 05 Jan 2010 20:55:37 -0500, "Michael A. Terrell"
wrote: "Martin H. Eastburn" wrote: DSL has a limited length in feet or meters. Not miles. The twisted pair goes to a server bay then to optic. Many cities are optic in the front yard or at the corner. ADSL is taking over for normal DSL. Advanced... :-) No, it's ' Asynchronous', which is different upload and download speeds. No. As I said above its "Asymmetric". Asynchronous does get involved, but that's in the ATM Asynchronous Transfer Mode that is used as the switched circuit protocol that carries the ADSL Mark Rand (network admin for too many years) RTFM |
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