Boxford 280

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Boxford 280

This topic has 32 replies, 7 voices, and was last updated 27 June 2017 at 23:00 by Lee Goulding.

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25 June 2017 at 18:34 #304156
Lee Goulding
Participant
@leegoulding74917
Hi All

Me again..

I've just been stripping and cleaning up the tail stock and Apron Gear Assemply and noticed that the diagram in the manual has a washer 07/010 which on my lathe is not there instead there's a bearing!!

And also there no EPL 19 waved washer between the handle and the dial gauge

Thanks
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25 June 2017 at 18:34 #18560
Lee Goulding
Participant
@leegoulding74917
25 June 2017 at 20:53 #304168
David Standing 1
Participant
@davidstanding1
Well then Lee, you're going to have to order them from Boxford.

PS – you're gonna have a heart attack if you're not careful .
26 June 2017 at 08:45 #304226
Lee Goulding
Participant
@leegoulding74917
tell me about it.. loving it though in my new man cave..
26 June 2017 at 08:46 #304227
Lee Goulding
Participant
@leegoulding74917
would you suggest removing the bearing David and replace with the brass washer thats listed in the manual?

Thanks
26 June 2017 at 08:56 #304229
David Standing 1
Participant
@davidstanding1
Lee

If it works, I'd always stay as the original setup.

Pictures of man cave required……….

Edited By David Standing 1 on 26/06/2017 08:56:25
26 June 2017 at 09:07 #304231
Lee Goulding
Participant
@leegoulding74917
ok David thanks it just confused me when i took it apart then looked at the diagram and found the brass washer should be next in sequence but all i had was a bearing.

Theres defo two Wavey washers missing after the wheels which i think are a must to have so will get them

Thanks for your help..
26 June 2017 at 09:29 #304236
Nick_G
Participant
@nick_g
.

My X10 has a bearing also. – I presume that this may be an undocumented modification by Boxford.

My advice would be clean it, relube it and pop it back leaving well alone.

Nick
26 June 2017 at 09:56 #304246
Lee Goulding
Participant
@leegoulding74917
Hi Nick

I can confirm after speaking with Boxford that dependent on age it is a change that is on some machines and the manual is outdated so bearings are in place of some documented washers etc

Thanks for the advice as always appreciated
26 June 2017 at 22:14 #304386
Lee Goulding
Participant
@leegoulding74917
https://youtu.be/WtkAYbOatvw

Hi All

Update!! Lathe now running with inverter and control but as you can hear from the video clip there's a whistle coming from the motor when I increase the speed..

The electrician used SY screamed cable about 1 metre

Any idea how to cure this

Thanks

Edited By Lee Goulding on 26/06/2017 22:17:08
26 June 2017 at 22:31 #304388
David Standing 1
Participant
@davidstanding1
Lee

Did he ground the cable shield at one end, or both?
26 June 2017 at 22:42 #304390
Lee Goulding
Participant
@leegoulding74917
Hi David

Wil let you know when he gets back to me as I'm not sure

Thanks
27 June 2017 at 09:24 #304441
Lee Goulding
Participant
@leegoulding74917
Hi David

Only one end was ground

Thanks
27 June 2017 at 10:06 #304454
David Standing 1
Participant
@davidstanding1
Lee

Then for starters try grounding both ends, in case that cures it .
27 June 2017 at 10:26 #304459
David Standing 1
Participant
@davidstanding1
And if that doesn't work, despite the shielding, you may want to try moving the inverter a bit further away if you have enough slack cable.
27 June 2017 at 10:27 #304460
mark smith 20
Participant
@marksmith20
My Alexander mill inverter makes that sort of noise(high pitched whine) as well when it reaches speed. I think i only grounded one end of the s.y cable. I dont have a remote pendant on it as yet so just using the inverter controls directly.

Edited By mark smith 20 on 27/06/2017 10:28:50
27 June 2017 at 10:47 #304466
Lee Goulding
Participant
@leegoulding74917
Hi David

Thanks for that and will try both ends and the inverter is about a metre away from the motor as I was told that the cable from the inverter to the motor should be around a metre

Thanks
27 June 2017 at 10:49 #304467
Lee Goulding
Participant
@leegoulding74917
Hi Mark

Thanks for that and hopefully can get it running quite and will update with fix if and when it happens 👍
27 June 2017 at 19:03 #304572
Neil Wyatt
Moderator
@neilwyatt
Posted by Lee Goulding on 26/06/2017 22:14:09:

The electrician used SY screamed cable about 1 metre

You will always get noise from screamed cable, try getting some mute cable.

Neil
27 June 2017 at 19:06 #304574
Neil Wyatt
Moderator
@neilwyatt
More seriously the shielding or lack of it won't make the motor noisy, but if the inverter is set for a low carrier frequency that can make odd noises. you can reprogram some inverters to use a different waveform and reduce the noise, or at least make it less unpleasant.

Neil
27 June 2017 at 19:37 #304580
Nick_G
Participant
@nick_g
.

Now don't get jumpy or panicky. ………………………….. Yet.

But on that video it was not the motor noise. It just on the whole sounded a bit 'rumbly' somewhere than the one I have.

Maybe the video audio or something as simple as the change gears having the incorrect spacing and want a tad of adjustment.

Nick
27 June 2017 at 20:17 #304586
Lee Goulding
Participant
@leegoulding74917
Hi Nick

Who am I to disagree what you say and I really wouldn't have a clue how to adjust the change gears but a noise is defo coming from the motor since the inverter has been wired up.

I know phone audio tends to enhance things which it has

Thanks
27 June 2017 at 21:13 #304597
Nick_G
Participant
@nick_g
.

I did not mean the motor noise. It was something additional.

But I do know on mine that the change gears incorrectly set can make noises of varying types depending on if there is too little or excessive clearance between them. Can also effect surface finish on the part being turned.

Easy to adjust and lube though. – Get yourself a can of motorbike chain lube as its a none fling lubricant and is ideal for those open gears.

Nick
27 June 2017 at 21:31 #304601
Lee Goulding
Participant
@leegoulding74917
Hi Nick

Ok will have a look at the gears and get some lube and I've just got this from the inverter man regarding the. Lose from the motor.

Its likely to be just the carrier frequency because it is chopped up DC it is quite normal.
Parameter 72 changes this it has a range of 1 to 15. I set it mid range to 7.
You will need a module to change any parameters.
27 June 2017 at 21:54 #304605
Lee Goulding
Participant
@leegoulding74917
Hi Nick

I've just had a look at the gears.. Wow!! Not a clue 😂
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