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Re: 3 phase power plugs/outlets
Believe it or not, 3 phase is the same everywhere on earth, even upside down in Australia.? ?It has three "phase" (current carrying) wires.
Sometimes machines also require single phase power, which is what requires a "neutral" wire.? ?You get single phase between the neutral and one of the 3P legs. For example, I have a machine that has three 3P 240V motors, and one 120V 50 watt light bulb, and thus requires 5 wire system (3 phase, 1 neutral, 1 grounding).? A better design is probably to just use a 240V light bulb.?? Whether a machine requires 120V is unrelated to whether it is "dumb".? You can power "smart" electronics from a 3 phase supply.? It's a design choice. |
Re: Fusion 360
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On Jun 26, 2023, at 4:07 PM, habacomike via groups.io <habacomike@...> wrote:
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Re: Fusion 360
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On Jun 26, 2023, at 3:20 PM, Kerryj_smith <kerry@...> wrote:
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Re: 3 phase power plugs/outlets
¿ªÔÆÌåÓýHi PK,
Good to know! Thank you.?
EE is a long way above my pay grade!
My degrees are artsy philosophical/historical based. Good for conversation and beers around the campfire. Not good for electrical wiring in the shop! ?
Warm regards,
Lucky
Dr David Luckensmeyer
From: [email protected] <[email protected]> on behalf of PK <pk@...>
Sent: Tuesday, June 27, 2023 6:59:30 AM To: [email protected] <[email protected]> Subject: Re: [FOG] 3 phase power plugs/outlets ?
David,
I am no electrician (Although I am an EE and play an electrician on YouTube) 3 phase in the US is 4 conductors total.? The three phases and a ground.? In europe it is 5 conductors? Anyway, no common in 3ph in the US that I am aware of. PK |
Re: Fusion 360
I use Fusion 360 for furniture design -- it's great for testing dimensions, scale, concepts, etc. And because it's parametric I can set up certain items that are popular so that I can just change the dimensions and have a fresh drawing/design in seconds. I have not yet used the CAM function but it is available for output to 3D printers or CNC machines. For cabinetry, I use Mosaik because it's optimized for CNC and it's just a lot easier. I also use Vectric for other CNC projects. But Fusion has been by far the program that is the most versatile and if you have to show things to clients, you really can't beat it for 3D realistic renderings.
As for training, I've tried everything -- Youtube videos, Udemy classes, etc. I think the video that David Best did of the cabinet with the drawer slides was excellent, so count me in the DB video fan club should he do more (please do more David). I have also subscribed to the Product Design Online??which has a bunch of online courses on using Fusion for woodworking. It's the best I've found of anything geared to woodworkers, and I've tried them all. -- Kerry Smith Gotham Woodworks www.gothamwoodworks.com |
Re: 3 phase power plugs/outlets
¿ªÔÆÌåÓýI¡¯m puzzled by the consensus that the neutral is not used. My x-motion machines (Kappa 400 and Profil 45Z) and my big Format-4 wide belt sander all require the fifth (neutral) pin. ¡°Dumb¡± machines like a drill press, bandsaw, lathe, etc., with
no real electronics and just a main motor, require the 4 pin variety only. Is this a USA versus Australia thing, or am I missing something else here?
Warm regards,
Lucky
Dr David Luckensmeyer
From: [email protected] <[email protected]> on behalf of Wade Dees <wjdsignature@...>
Sent: Tuesday, June 27, 2023 4:49:16 AM To: [email protected] <[email protected]> Subject: Re: [FOG] 3 phase power plugs/outlets ?
Surface mounted conduit and plug boxes are the way to go for me. ?I have ¡°pull¡± boxes up in my attic each containing 20,30,40, amp power. I can drop any power size any where I need it. Sure saves a lot of headache.?
Wade
On Jun 26, 2023, at 11:17 AM, mac campshure via groups.io <mac512002@...> wrote:
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Re: Fusion 360
¿ªÔÆÌåÓýThat¡¯s a bit pretty Mike! I hope you share more pics when you¡¯re done. Thanks for the update!?
Warm regards,
Lucky
Dr David Luckensmeyer
From: [email protected] <[email protected]> on behalf of habacomike via groups.io <habacomike@...>
Sent: Tuesday, June 27, 2023 6:31:23 AM To: [email protected] <[email protected]> Subject: Re: [FOG] Fusion 360 ?
I thought some might be interested in the progress on my North Bennett Street inspired tool chest. I¡¯m fitting the lid at the moment.?
Mike King
NERA Economic Consulting
+1 303 618-4915
On Jul 8, 2022, at 12:00 PM, Shinta Wakahisa via groups.io <vnh84@...> wrote:
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Re: Fusion 360
¿ªÔÆÌåÓýI thought some might be interested in the progress on my North Bennett Street inspired tool chest. I¡¯m fitting the lid at the moment.?Mike King NERA Economic Consulting +1 303 618-4915 On Jul 8, 2022, at 12:00 PM, Shinta Wakahisa via groups.io <vnh84@...> wrote:
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Re: 3 phase power plugs/outlets
¿ªÔÆÌåÓýSurface mounted conduit and plug boxes are the way to go for me. ?I have ¡°pull¡± boxes up in my attic each containing 20,30,40, amp power. I can drop any power size any where I need it. Sure saves a lot of headache.? Wade On Jun 26, 2023, at 11:17 AM, mac campshure via groups.io <mac512002@...> wrote:
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Re: 3 phase power plugs/outlets
Generally the neutral can be omitted?in 3-phase delta or wye setups IF there is no intermediate voltage leg, and usually there is not with straight induction motor circuits like woodworking machines. Always consult with manufacturer what is important, however, I've never seen a neutral leg in use. My widebelt sander has sophisticated PLC,multiple VFDs, all kinds of on/off and variable voltage switches and? controls, a 5-wire connection on the terminal block going in (it's 480v) and the neutral terminal is literally wired to nothing on the other side of the block.? On Mon, Jun 26, 2023 at 1:29?PM Aaron Inami <ainami@...> wrote: Thanks for the clarifications on the plug naming standards.? What I really am asking is if the Felder/Minimax equipment is fine with just 3 hot + ground or if the Felder/Minimax 3-phase machines need both a ground and neutral wire. --
Brett Wissel Saint Louis Restoration 1831 S Kingshighway Blvd (at Shaw Blvd) St Louis, MO 63110 314.772.2167 brett@... |
Re: 3 phase power plugs/outlets
¿ªÔÆÌåÓýForget brown nuetralmartin/campshure/co/llc Designing and building for 50 years On Jun 26, 2023, at 1:29 PM, Aaron Inami <ainami@...> wrote:
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Re: 3 phase power plugs/outlets
¿ªÔÆÌåÓýIn mill shop I use Felder Euro style 30 amp with phase reversals 5 pine style?In machine shop use twist locks ?as Dave mentioned read the specifications!!!!! On end of plug. mac,,, martin/campshure/co/llc Designing and building for 50 years On Jun 26, 2023, at 1:17 PM, mac campshure <mac512002@...> wrote:
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Re: 3 phase power plugs/outlets
¿ªÔÆÌåÓýAlso consider burying everything in the walls where you can¡¯t get at it again without tearing the walls apart. Lol?I would say Brett¡¯s way is the safe way 10/4 so cord drops ?would suggest using 30 amp for all much easier to not screw with 16 and than 30 amp. Standardize, standardize standardize ? Mac,, martin/campshure/co/llc Designing and building for 50 years On Jun 26, 2023, at 1:01 PM, Brett Wissel <Brettwissel@...> wrote:
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Re: 3 phase power plugs/outlets
¿ªÔÆÌåÓý
L16-30 are 480v plugs.? L15-30 is what I run for any machines with less than 25 FLA.? Dave
From: [email protected] <[email protected]> on behalf of Brett Wissel <Brettwissel@...>
Sent: Monday, June 26, 2023 2:00 PM To: [email protected] <[email protected]> Subject: Re: [FOG] 3 phase power plugs/outlets ?
Aaron,?
Consider 12/4 SOOW from a strain-relieved terminal?hardwired/structurally secure box on the ceiling and drop toward floor, then end that with L16-30R twistlocks. Then the machines have L16-30P twistlocks and it works great for plugging?in , disconnecting
for safety, and flexibility when it's needed to move around the shop floor or make the drop happen in just the perfect spot, independent of the walls. That extra euro wire is not connected to anything, just 3 220v hots and the ground conductor. Also makes
it easier to swap machines around when all the plugs are compatible, wherever they are located.
On Mon, Jun 26, 2023 at 12:27?PM Aaron Inami <ainami@...> wrote:
Hi all, Brett Wissel
Saint Louis Restoration 1831 S Kingshighway Blvd (at Shaw Blvd) St Louis, MO 63110 314.772.2167 brett@... |
Re: 3 phase power plugs/outlets
Aaron,? Consider 12/4 SOOW from a strain-relieved terminal?hardwired/structurally secure box on the ceiling and drop toward floor, then end that with L16-30R twistlocks. Then the machines have L16-30P twistlocks and it works great for plugging?in , disconnecting for safety, and flexibility when it's needed to move around the shop floor or make the drop happen in just the perfect spot, independent of the walls. That extra euro wire is not connected to anything, just 3 220v hots and the ground conductor. Also makes it easier to swap machines around when all the plugs are compatible, wherever they are located. On Mon, Jun 26, 2023 at 12:27?PM Aaron Inami <ainami@...> wrote: Hi all, --
Brett Wissel Saint Louis Restoration 1831 S Kingshighway Blvd (at Shaw Blvd) St Louis, MO 63110 314.772.2167 brett@... |
3 phase power plugs/outlets
Hi all,
For those who have 3-phase Felder and Minimax equipment, what plugs/outlets are you using??? Does your equipment work fine with the L16-30P plugs and L15-30 outlets?? (those are 3 hot plus 1 ground conductors).?? Or does the Felder/Minimax equipment require a 5-wire connection with both ground and neutral conductors? -Aaron |