|
Re: Configuring a single 3-phase converter to support two tools
#phaseconverterquestions
¿ªÔÆÌåÓýLarry, That is a very interesting question to me. I looked up the disconnect switch on my K975 and it is rated for load breaking. So I would think that load breaking choice would be safer, however this type of switch is for change over and not for Emergency stop so may not be available with load switching. One would need to research. Your question made me wonder how many cycles these are actually rated for. Many manufacturers did not even list cycles but I found an equivalent Schneider 32A switch for $287 that is rated for 100000 mechanical/electrical cycles but only for resistive loads. I imagine the $40 replacement switch for K975 is likely not as good. I was told to not use Emergency stop switch on the machine to routinely switch off the machine as it will wear off. This EStop switch is only switching a 24VAC relay coil, which is nothing compared to switching a 5.5KW motor. Imran Malik IAM Wood Creations On Feb 5, 2025, at 2:47?PM, Larry Long Neck via groups.io <longneckwood@...> wrote:
? I'm actually curious what would happen if say the main motor was off but the machine itself was still powered on (LCD screens, lights, etc) and you turned that switch. I would imagine it would arc?
--
?
Larry Long NeckJust a noob trying to learn the ways of wood
> Making youtube videos now! ??? - |
|
Re: Configuring a single 3-phase converter to support two tools
#phaseconverterquestions
Imran and Karl, thanks for the details.
--
?
Larry Long NeckJust a noob trying to learn the ways of wood > Making youtube videos now! ??? - |
|
Re: Configuring a single 3-phase converter to support two tools
#phaseconverterquestions
¿ªÔÆÌåÓýHi Larry,I cannot say if this is 100% true but Felder machines I have helped with have overload protection. My KF700, Dual51 and K975 do have this protection. I am also not sure if my RL125 or FD250 have any such protection, will need to investigate. I wired my shop myself and had it inspected. I went towards the safe side if I was not sure to avoid any issues during inspection. The CB is to protect the wire as a short could occur between the CB and the machine which would not be protected by the machine overload protection. If your work is done by a licensed electrician then they should know best. I recently helped someone with Hammer. If you open the switch box, you will see a 10-16A slide switch (or something similar depending upon motor size). Check label of your motor to determine FLA. Measure machine current during idle and then switch meter to max setting. Make a heavy cut to stall the motor. Check current on the meter. If it is under FLA+ 2A and total is under 16A then may adjust the slide switch to match the current. May help you avoid nuisance trips. Imran Malik IAM Wood Creations On Feb 5, 2025, at 3:07?PM, Larry Long Neck via groups.io <longneckwood@...> wrote:
? Imran,
?
Do you know what kind of/if any overload protection these machines have? I'm curious about the mention of fuses in the distribution box. If you were to just use a distribution block and go from say 8awg 3phase input (coming out of PTE010) to 10awg 3phase output to a 10hp machine without any fuses in the mix, are you aware of any issues with that set up?
?
I can only think of the machine being overloaded and drawing too much current over the 10awg but not enough to trip the breaker on the other side of the 8awg.
?
Do these machines have overload protection built in to prevent this from happening? I have had my hammer a3-31 turn itself off plenty of times when taking too big of a bite on a wide board, so I would imagine they have something.
--
?
Larry Long NeckJust a noob trying to learn the ways of wood
> Making youtube videos now! ??? - |
|
Re: Replacement of internal dust hose is K3 Hammer slider
Hi Brian, I'm away from my shop for a bit, but would like to give this print a try when I get back, so can you forward the .stl? thanks! Joe Slater On Wed, Feb 5, 2025 at 7:35?AM Brian Lamb via <blamb11=[email protected]> wrote:
--
Joe Slater michigan |
|
Re: Configuring a single 3-phase converter to support two tools
#phaseconverterquestions
Imran,
?
Do you know what kind of/if any overload protection these machines have? I'm curious about the mention of fuses in the distribution box. If you were to just use a distribution block and go from say 8awg 3phase input (coming out of PTE010) to 10awg 3phase output to a 10hp machine without any fuses in the mix, are you aware of any issues with that set up?
?
I can only think of the machine being overloaded and drawing too much current over the 10awg but not enough to trip the breaker on the other side of the 8awg.
?
Do these machines have overload protection built in to prevent this from happening? I have had my hammer a3-31 turn itself off plenty of times when taking too big of a bite on a wide board, so I would imagine they have something.
--
?
Larry Long NeckJust a noob trying to learn the ways of wood > Making youtube videos now! ??? - |
|
Re: Configuring a single 3-phase converter to support two tools
#phaseconverterquestions
¿ªÔÆÌåÓýHi Doug,You have a disconnect at the machine so, no issue with servicing the machine. I only shared because you asked but I personally would not use such device. It would be an absolute pain to switchover every time I switch machine. I may have missed it, but if not mentioned already I would like to add. If a single run is made directly from PP to the machines then the wiring needs to be rated to the PP breaker size. If you add a subpanel or distribution box with fuses then the heavy cable is only between PP and the box or panel. Downstream circuits then are wired according to their fuse size. I have a 30A, 20A & 10A 3 phase run from my distribution box. Obviously, the run from the circuit breaker in main panel to the PP also is per breaker size. I am not a licensed electrician and codes do change somewhat based upon location. Hopefully, someone will correct if I am mistaken. Imran Malik IAM Wood Creations On Feb 5, 2025, at 2:26?PM, Doug Speck via groups.io <speckde@...> wrote:
? On Wed, Feb 5, 2025 at 08:32 AM, imranindiana wrote:
This is what I was envisioning.
?
In the case of single phase voltage being passed through whether running the machine or not, what is the risk? ?Obviously, you have a live circuit, but is there something else?
?
Thank you,
Doug
|
|
Re: Configuring a single 3-phase converter to support two tools
#phaseconverterquestions
I'm actually curious what would happen if say the main motor was off but the machine itself was still powered on (LCD screens, lights, etc) and you turned that switch. I would imagine it would arc?
--
?
Larry Long NeckJust a noob trying to learn the ways of wood > Making youtube videos now! ??? - |
|
Re: Configuring a single 3-phase converter to support two tools
#phaseconverterquestions
¿ªÔÆÌåÓýLarry, Thanks for pointing out. Something¡¯s are obvious to me but never hurts to spell it out. In OP¡¯s application, I cannot imagine NOT switching one machine off prior to turning on the next machine.Imran Malik IAM Wood Creations On Feb 5, 2025, at 2:30?PM, Larry Long Neck via groups.io <longneckwood@...> wrote:
? Be aware too that the switch in that link is listed as not being made for load breaking. I'm not knowledgeable enough to know what would happen if you switched it while a machine was powered on, but for disconnect switches, I always look for ones rated for load breaking.
--
?
Larry Long NeckJust a noob trying to learn the ways of wood
> Making youtube videos now! ??? - |
|
Re: Replacement of internal dust hose is K3 Hammer slider
¿ªÔÆÌåÓýI am going thru this Fusion 360 course available for $99 at Udemy. I did not do an exhaustive search but find it fine for a beginner. There is a 30 day refund option and you can preview 5 to 6 classes prior to purchase. Author speaks slowly, so I use 1.5X speed. PY attention as there is also a lower price like $14.99 but that is if you sign up for a monthly plan. |
imran
Larry Long Neck
joe slater
Imran Malik
IAM Wood Creations
On Feb 5, 2025, at 2:26?PM, Michael Marsico via groups.io <michael.marsico1@...> wrote:
?
--
Michael Marsico
I have been trying to learn Fusion360, still at it!!
?
From: [email protected] <[email protected]> On Behalf Of Brian Lamb via groups.io
Sent: Wednesday, February 5, 2025 2:24 PM
To: [email protected]
Subject: Re: [FOG] Replacement of internal dust hose is K3 Hammer slider
?
The CAD software I use is Alibre Pro and it has the feature of turning any 3D design into a? 3D PDF. Works great for sending a real "representation" of what you are designing.
?
?
?
On Wednesday, February 5, 2025 at 12:21:01 PM MST, Michael Marsico via groups.io <michael.marsico1@...> wrote:
?
?
I know this is off topic but that is pretty cool.?? I did not know you could insert a 3D image in a PDF
?
From: [email protected] <[email protected]> On Behalf Of Brian Lamb via groups.io
Sent: Wednesday, February 5, 2025 10:35 AM
To: [email protected]
Subject: Re: [FOG] Replacement of internal dust hose is K3 Hammer slider
?
I had some time yesterday and using the sketch provided by Jim, I redesignedd the duct adapter. I can provide the stl file if someone wants to try it themselves, I can print one, but have no machine to try it on. You will need to install two 5mm heatserts as I designed it so that no hose clamp around the rectangular portion will be necessary. It uses two 5mm x 45mm long bolts to pinch the adaper onto t he sheetmetal portion.
?
I'm attaching a 3D PDF file, you have to download it then open it and you should be able to view and rotate from any angle.
?
?
?
On Monday, February 3, 2025 at 01:57:03 PM MST, ibsenafshar <brian@...> wrote:
?
?
1999 C3-31 uses 100mm hose. If an adapter as is being discussed became available I would buy one.?
--
Michael Marsico
--
Michael Marsico