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RDG 30VSM-Parts Needed

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Jasper Bower20/03/2022 14:04:28
10 forum posts
2 photos

Hi,

I have an RDG 30VSM which has mashed its gears. Could someone please point me in the direction of where to get replacements, please? Looking at the forum, it seems they are similar to the Warco WM16, but the gearing looks different? Thank You.

https://www.ebay.co.uk/itm/113999695630

gear 1.jpg

gear 2.jpg

Dave Halford20/03/2022 17:36:04
2054 forum posts
23 photos

Have you tried RDG ?

Jasper Bower20/03/2022 17:40:26
10 forum posts
2 photos

I have emailed them and await a response.

Jasper Bower21/03/2022 13:37:47
10 forum posts
2 photos

Unfortunately no joy. The answer was "we got them from the same places as Warco".

Ian Parkin21/03/2022 14:39:42
avatar
1021 forum posts
239 photos

Isn’t a 30 the same as a wm 18?

if so i think i have a spare off to look now…

Ian Parkin21/03/2022 14:47:06
avatar
1021 forum posts
239 photos

Is it a 56 and a 31 tooth?

if so i have one

Howard Lewis21/03/2022 14:58:40
6116 forum posts
14 photos

You can get an idea of what gears you require by measuring the OD of the mating gear, and counting the teeth, as well as the other dimensions..

The gears are likely to be Module, so Diameter in mm / (Tooth Count + 2) i= Module.

EXAMPLE

OD = 27.5 mm / (20+2 ) = 1.25 (Module ) for a 20 tooth 1.25 Mod gear.

The answer may well be 1.5, 1.25 or 1.

You could look at other importers to see if they import a similar machine (Possibly only in a different paint scheme) who could supply a replacement.

Likely places, once you have measured the gears, and knowing the tooth count of the damaged gear, might be Chester, Axminster Arc Euro, SPG, Amadeal etc.

Bear in mind that some machines, although superficially identical, may differ in detail. Depending on the manufacturer,, the keyway, for instance may differ, (Say 4 mm against 3 mm),

If all else fails and only the bore is different, you might have to bore out and bush a close approximation to get the machine running again.

Ultimately, you could approach someone like HPC, or Davall or Reliance gears, but their gears are likely to be costly and need modification to fit your machine.

The only other advice that I can give is not to work the machine quite so hard in future

The plastic gears are the weak point in the drive train and fail safe to protect other components, akin to a shear pin..

These are hobby machines, not industrial machines designed to be worked hard 8 hours every day!

Howard

John Baron21/03/2022 16:14:26
avatar
520 forum posts
194 photos

When that gear got damaged on my mill, I went to HPC and bought steel gears and made my own replacement ! In my case quieter as well. The moulded gear was off centre and made a thumping noise as it ran.

Jasper Bower21/03/2022 19:24:45
10 forum posts
2 photos
Posted by Ian Parkin on 21/03/2022 14:47:06:

Is it a 56 and a 31 tooth?

if so i have one

The single Large Helical is 39. Large is 56 Fixed to 30

Jasper Bower21/03/2022 19:25:23
10 forum posts
2 photos
Posted by Ian Parkin on 21/03/2022 14:39:42:

Isn’t a 30 the same as a wm 18?

if so i think i have a spare off to look now…

Thank You. I do not know!

Packmule23/03/2022 12:39:44
121 forum posts
6 photos

Know anyone with a 3d printer ?

Jasper Bower23/03/2022 19:53:51
10 forum posts
2 photos
Posted by Packmule on 23/03/2022 12:39:44:

Know anyone with a 3d printer ?

Yes, if someone has the .stl files? That would be fantastic

Packmule25/03/2022 22:22:18
121 forum posts
6 photos

If you look on thingiverse for G0704 gears there are both spur & helical listed , may fit

Jasper Bower26/03/2022 09:06:47
10 forum posts
2 photos
Posted by Packmule on 25/03/2022 22:22:18:

If you look on thingiverse for G0704 gears there are both spur & helical listed , may fit

Thank you.

Jasper Bower26/03/2022 10:00:54
10 forum posts
2 photos

Having no luck at the moment with gears, I am looking at fitting an AC motor with belt and pulleys. The current DC motor is 1100W, what is the AC equivalent please? Any links to suitable belts? Thank You.

Ian Parkin26/03/2022 10:20:29
avatar
1021 forum posts
239 photos

Are you sure on the fixed pair of gears?

i have a set off a 30vsm spare and they are 31 and 56 and the helical is 39

Jasper Bower26/03/2022 10:38:44
10 forum posts
2 photos

Hi Ian,

I have messaged you. Thank You

Jasper Bower26/03/2022 10:47:17
10 forum posts
2 photos
Posted by Ian Parkin on 26/03/2022 10:20:29:

Are you sure on the fixed pair of gears?

i have a set off a 30vsm spare and they are 31 and 56 and the helical is 39

Having recounted. You are correct! that gearing is what I need. THANK YOU!!

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