I found a dangerous fault with my new milling machine 😳
ฝัง
- เผยแพร่เมื่อ 6 ก.ย. 2024
- Hello all, I have been wanting to buy a small milling machine for some time. I am so pleased to finally have one that I can make good use of. There's a few projects I can now do that I've always been held back on.
I can't quite believe how much grease was in the switches and how dangerous it was, I was genuinely lost for words. It would also probably explain why the suds pump was removed if it kept shorting out the switch when turned on.
Just finally, if any of you have any idea's about the reverse issue please let me know.
Thanks for watching.
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VFD will be programmable to how FWD/REV is handled. You can also configure to support momentary or latching switching. VFD manuals can be a bit daunting at first, but just sit down and read through. I converted my 1963 Colchester Chipmaster to single phase via a VFD and configured it to use the original controls. You should also take advantage of the variable speed capability.
You make what you are doing look so easy which of course it’s not. I always learn something from your videos 🙂 much respect ✊
Thanks Tony 😁
I wish I was smart enough to do more complicated Electric Stuff like That!! Well done ,Kim!
I Love the Funnel Tunnel Pressure Trick. Good to know that works!
There’s a quiet joy to these videos that is just lovely.
I think there’s a TV series potential here.
Kim, your forward / reverse problem might be as simple as your common wire from the VFD is not on the common terminal of your switch. I have to assume you have already checked for that type of error. I know I’ve had simple errors bite me.👍✌🏻🇺🇸🙏🏽
I enjoy watching your videos because I have cancer and the videos help me get through the day
I do love the attention to detail, this is what turns a trades person into an engineer. Respect from a retired toolmaker.
If you have the manual for the VFD you should be able to find a programing area that will tell you how to program all the different options of the VFD.
you will need to change a parameter it can be done off the keypad on the vsd with no software required also if you install a multiturn pot and the appropriate parameters are changed you can get speed control without changing belt positions.
Kim, look up “three (3) wire control” I believe that is how the controls were wired. That is what the start, stop buttons and relay made up, so when you pressed the start button the relay would be energized and set of its normally open auxiliary contact's would close around or “seal” around the start button, keeping the run relay energized. Then pressing any of the Stop buttons would break the circuit and de-energize the relay.
To reverse a 3 phase motor you can swap any two wires and the rotation will change. As has been suggested I would think the VF drive could do that function based on a contact input.
Good luck!
Ron, N4PHP
I have actually sorted it. Thank you though.
You're a wizard, Kim, well done 👍🏼
Another great video. What I really like is good explanations without a lot of excess verbiage. Thank you.
There never seems to be a dull moment in your household 😊👍such a great video, you are very clever & have amazing confidence to take on projects, which are so inspiring to others with less knowledge but your videos helps people learn, which is such a great quality, your always showing people what your doing clearly in the footage . Be great to see what you have in store to make on this machine?? 😊👍
the socket on the back is for a kettle for mid milling tea and garabaldies
Learnt a lot from ur video thanks I am starting my own conversion from 3 phase to 240 volts but it's on a lathe I've been given from a friend 👌
Hi Calamity Kim & it's is Randy and i like yours video is cool & Thanks Calamity Kim & Friends Randy
DRO seems to be in order
Fantastic work Kim, very talented. Nice machine to have in the workshop.
Check the programing of the VFD. The reverse terminal may have to be set in the program. Mine was. Great video Kim.
Yeah also the latching part is something the vfd can do :) also use the EMS to brake the STO on the drive ;)
Also, there are usually two ways to wire the forward/reverse and start. I’ve seen people wire that incorrectly. It’s really pretty simple, but impossible to easily explain in a post.
Brilliant idea with the two funnels!
Kim you are very brave to take this on electrics is a complete miss nova to me thank you
Nice work Kim, you did an amazing job on sorting that milling machine . They are not very easy to work on but you sorted it . The two funnel idea to get the grease into the gear box is brilliant , I'm going to be doing that. Thanks Kim , all the best.
Great video , I used to work for a company that sold those mushroom stops, and nobody could explain why they were cheaper boxed!
interesting vid . more info on the wire strippers and terminal crimps please
Did a conversion of an old bridgeport mill using a vfd. Quite nice the things you can program it with…ramp up speed, ramp down and direction switch speeds etc.
Did you know there is a pattern to torque bolts down? You must start in the center androtaten across from the one you did applying even pressure all around...especially true with cylinder heads.
If you only want one or two, it's really easy to push the actual aglets (boot lace ends) OUT of the plastic funnel (17:53) on the common type. I do this when wiring normal mains plugs.
A really interesting video Kim, thanks for the great content !
Great job Kimberly, well wear👌👍🙏🙂
I have to admit I am quite jealous now. 🙂 I've been looking for a mill for quite a while.
Forward / Reverse, in the manual it talks about 'reverse rotation prevention' Page XII lists it in 7.17.3 then actual page 6-197. You will need setting '0' which you can program via the front display buttons. Also on page 5-15 it mentions "When the STF and STR signals are turned on simultaneously, the stop command is given." If I understand this right, you could just fit an unlatching stop button linking both to give you a soft stop. Finally, I would recommend fitting a frequency pot for speed control. I have such a thing on my Colchester Master lathe and it so handy being able to vary the speed. All the best, keep up the good work on this very nice little mill.
Thanks for looking for Me, I did actually do all of that but what it ended up being was parameter 250, someone had changed it for some reason, once I changed that back it worked immediately.
belive to get rev. you push the run stop button same time that brings up a command mode. screen should flash CN0d then you push the up enter key, or the down enter key at the same time. its that way on the FSI drives and also the eaton china clones. Frr is rev FrF is forward and if not you swap any two wires going to the motor to set direction wanted.
Came from Diesel Creek channel!! Just finished watching all your videos!! New subscriber!! For reverse in 3 fase you change one wire for another of the 2 remaining and it changes motor rotation! With the vfd some configuration most be set never worked with one! Thanks for sharing
I like how you buy used machines and upgrade them . Soon you are going need a bigger shop.
Subliminal DRO there..that was great Kim. Lucid explanation and great work. Good wiring.
You do nice work .The two funnel system. Of put the grease in is definitely thinking out side the box . when ever I work on something complex I use my label maker that prints on heat shrink tube and I mark all the wires ( it pays dividends) if i was doing that job I would google the motor part number and see if I could find a wiring diagram, you are just missing one small piece of info some times the manufacture may have a technical phone number I have solved more that one mystery by making a few phone calls You will figure it out that I am sure of .....
Nice job, Kim
I would've resorted to wellies and a rubber floor mat and frequently waking up at the far end of the workshop
And that's why I don't touch electrical stuff (anymore) 😂
Tidy work again Kim. Love how you work these things out.
Hi Kim Nice one had know idea 3phase motors could run on single phase Thanks again
Great vid. First mill I ever worked on a VM30 over 42 years ago. Didn’t remember them being that small.
That was amazing bit of wiring. Very well done.
Excellent work, Kim! I wish i could help on the reverse part, but my knowledge of those kinds of machines is very limited. I'll leave that to someone who knows more than i do. Nice machine, i hope you get many years of use out of it! 😎 Thanks for sharing!
Great work Kim. Thanks for the video. 👍
Calamity Kim rides again ! The VFD videos are very interesting as I'm about to convert my surface grinder.
good job kim! id have no idea where to start with the electrics in a machine like this
I converted a vehicle hoist from three phase to single phase (415 to 240) by putting a single phase motor on to it. That motor had the brass bridging set up similar to yours. By having the bridges (according to the wiring diagram) in a certain pattern it ran in one direction, by having them in another pattern it ran the other way. That caught me out but that is another story, a hydraulic pump won’t work in reverse. I reckon those patterns can be controlled by a reversing switch. I am no electrician and I don’t really know but that looks like a possibility to me.
NICE ONE KIM YOU SHOULD HAVE YOUR OWN CHANNEL BRILLIANT 🏴👍
This is my own channel 😁
The reverse problem may be in the programming of the inverter and you will love the DRO once installed.
You may need to program the VFD to get it to work in reverse otherwise double check all your wiring good luck
Good job, trust your own work and check others ,,,,,,,,, another great informative video i can hear a certain Lord sorting pieces out for machineing 😁😁😅
Glad that didn't catch on fire. Good work on it!
Thank you for another great video. Stay safe out there. Cheers
Very nice skills on show here. Great work.
Oh Kimberly, worked quite well but was rather messy. I would just junk the 3P motor and put in a single phase, more expense I know but as you said"I don't want to do it again". Great machine and it would take me a few days of training to use one .
Some of these machines have motors which are rather specific to the machine regarding how they are mounted, also you get better torque from a three phase motor.
you rock
Cute spirit level. Nice mill that
Very cool, they're a good Mill, i think you can get a kit to bypass the gearbox and make it direct drive variable speed, a lot quieter and a better speed range.
getting two-way switching on the stair lights to work is my limit...
hope some cleverdick can work out the reverse wiring
Great video 👍
I have a bridgeport and decided to run it off an old style 3 phase converter. Runs brilliant as I needed forward and reverse in high and low speed (delta and star).
Digital readout....done it myself 😁
Exciting to get a new thing . Will be interesting to see what you will be using it for. 🤔
Very nice machine. A couple if points. With regards the reverse, you can program the VFD for various different inputs and how they are processed by the vfd, read the manual. You could have programed it to worked with the original momentary switches, but putting the three way switch in was a better solution. The second point us, dont iver pack bearings, as this can cause damage, because if there is no space for the grease to move to the bearing it makes it hard to move, which you saw.
Wheel bearings are packed and they work ok.
Adding a DRO hence the socket around the back.
I'm glad you know what your doing, I'm clueless when it comes to electronics 😮 I'd be interested in how to get a motor to run the other direction too, I stole a compressor motor for my lathe but it runs the wrong way., 😢
Good you are buying solid stuff with SKF. Never buy cheap on machines it will cost you dear in the end.
Great job you guys are way better with wiring than I am lol I try not too do much with power I’m always fearful I’ll mess it up and burn it up thanks for sharing
i bought a large mill thats three phase and its keeps shorting out and has cost lots to make it work , it lasted less than a hour last time ,i am now solving this by driving it with a air cooled diesel engine and gearbox not sure what next door think about it its a bit loud and needs a better exhaust
Interesting video Kim 👍 as far as electrics an electronics are concerned i was lost 2 mins into the video 🙄😂only thing i knew was ES emergency stop im hoping 😜 as for suggestions as to how to get the motor to reverse ill just pass 🙄😁
Be careful mounting a VFD. They should be isolated from vibration and need free air flow.
Electrical issues, my least skill. Mad respect for tackling that.
Great job!
I truly and utterly hate electrics even if they are simple 😖 so hats off to you! Wonder what you’ll be doing with it for its first job🤔😁
I am a new subscriber. You can thank your USA trip and Matt Steter. Fun videos. Thanks! John in Cedarburg Wisconsin.
Digital readout? great video.
Often the VFD can be wired up to allow the motor to run in reverse.
Probably need to change a setting to enable reverse? Nice mill 😀
I have tried every setting I can find! 😭
Beauty and brains.. 😍😍
Pockets are for warming grommets.
Boxford make some nice sruff. You kept saying 220v. British mains power is still 240v. Measured it yesterday testing a new meter.
Lovey neat job my wiring is a dogs breakfast usually!
230 volts in the Uk +-6-10%
www.twothirtyvolts.org.uk/pdfs/site-info/Explanation_230Volts.pdf
Not correct. The standard says 230v to align with the rest of Europe, but there is a tolerance range which allows supply voltage to be as high as 253 and as low as 216v.
Great video again
I’m guessing it’s maybe a dro? I think your going to need a bigger workshop lol
eek , glad you spotted that wiring .... my pause skills are pretty poor , but once paused < & > move a video frame by frame .. lol
You can program the VFD to do all sorts, like ramp up.down time etc. Have you checked reverse is enabled in the config?
Yes I have checked every perimeter I can see for the DRO. I have notified the only functions that seems to work is start and stop so there maybe something a bit more simple. I’m going to ready the manual again and awe
Most VFDs will come with the basic parameters set up in them for running a motor. You should be able to fine tune the parameters of yours to set the motor current, voltage etc as well as the forward and reverse option. What make and model is your VFD? Were you looking to use the speed control of the VFD as well or keep that purely mechanical?
Have you thought about ventilation? VFD's generate quite a bit of heat.
Its alright how I have it I think. It needs ventilation vertically which is what it has.
I don't think it will be a problem, not for intermittent use anyway, might be different if you were running full load all day. It's got a lot of cast iron mass to soak the heat away.
I also have a VM30!!! Such a stoutly built little mill!
They’re a great little machine aren’t they. I actively looked for one when I saw one for the first time!
DRO in bound. Does your VFD need to be programed for reverse? Will you be Using the VFD for speed control or just adding a phase?
DRO hence the 13amp socket.
Does the electrical side come easy to you, or do you constantly study diagrams etc? It's where my sense of logic fails me entirely! 🙄 Great channel to watch by the way Kim, keep them coming.
Fairly easy. I normally read instructions but most of it is quite easy to work out with things like a vfd there are other times when I struggle more however.
I’m thinking the vfd can be set to go reverse. I’d be interested to know how you get it going .
Great video
I have already tried the settings annoyingly
You may have been better fixing the VFD on the outside of the mill so you can access in use features such as speed control.
I don’t like VFD’s to be in show if I can about it. Also, they’re not exactly durable.
Fire in Taco Bell?
DRO🙂
Dont have much pause skills, but I do know the youtube hotkey for frame by frame 😄
😍 perfekt 👌🏻 👍🏻
Can't see make and model of vfd, but suggest checking the manual for it about running in reverse.
It's not unusual to have to set a parameter to enable reverse running and/or change how the control inputs are interpreted, for example there may be a mode that would have given a latching function to the original push buttons.
Some of the cheap Asian import models have manuals that aren't too clear if you're not used to setting drives up, worth persevering though. [edit: I'd assume Mitsubishi manuals aren't too bad, but don't have 1st hand experience with them]
I have set up a couple now but this one just does not seem to want to work in reverse.
I have switched the switch wires round so where I’d toggle it to revserse that works. But it just won’t do anything on the VFD, I have tried about 6 different functions in the settings to enable it and all seem to be enabled. I don’t know what else it could be.
@@CalamityKim1
Mmm, interesting. If you can post the model number I can look for a manual online. My experience is with Control Techniques drives, don't think I've done anything with Mitsubishi before...
Just a thought (and in the absence of seeing the manual), sometimes you can have a mode two inputs: a "run fwd" input and a "run rev" input, where you set whichever active for the direction you want. Then sometimes you can configure for the 2 inputs to be "run" and "direction", in this case you always need the run input active for it to spin, but then for the direction the input is 'active' for the one direction and 'inactive' for the other.
Clearly if your wiring is configured for the former, then with the drive set for the latter it will run forwards and not run at all in the reverse setting because you're changing the direction input but not giving the 'run' command.
eu-assets.contentstack.com/v3/assets/blt5412ff9af9aef77f/blt9cc861cb96edf313/6172871939e7f70c7378003a/5a2723b0-23d3-11e9-853d-b8ac6f83a177_412411.pdf
That’s the manual and it’s a FR-E720S-080SC
I did wonder about that, I was running short of time to get this video done. I may go and have a go later with that.
@@CalamityKim1
Cheers, I'll take a look later - just off to my workshop for a bit now 🙂
@@CalamityKim1the forward reverse may have a deceleration timeout from what I can see in the manual. Have you waited for the deceleration time to elapse before switching to the other direction of operation? So you are wiring the PC connection out to the 2-position selector switch with two normally open contacts on it. One of which closes in either the right turn or left turn movement? The contact closure pulls the start forward or start reverse inputs down to PC level? So one side of each normally open contact is commoned up to the PC wire from the VFD? You could do some trouble shooting to see if the start reverse input is being seen by starting the unit in forward then jumper the start reverse to PC on the VFD. This should cause the motor to stop according to the manual. If it doesn’t then the start reverse input is not being seen for some reason.
🙈
i don't remember a milling machine being able to reverse when i used one
It's a fat controller you're putting in there..lol
measuring in inches and meters? that's like something i have to do as an american lol
We are the same. Somethings are imperial and some metric. No sense to it really.
Red to red, black to black and blue to bits....
😂