Basic linisher / belt grinder

[Screwdriver]

I think I know the ones you mean but I daresay they're more spendy..?

Offset perhaps by the fact you already have one!

 

[Tangledfeet]

Offset perhaps by the fact you already have one!

Lol - gotcha! After something with a wider belt and more grunt.

 

[MattF]

I really hate you ******** on occasion. I've ended up looking at this, & realised it's this thread which has put the thought in my head.

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[Barking Mat]

I really hate you ******** on occasion. I've ended up looking at this, & realised it's this thread which has put the thought in my head.

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Ouch, £450, now i want one.

 

[Screwdriver]

I have a similar linishing machine and I can't recommend it. You nearly always end up using it vertically, in fact I don't think I have ever tilted it flat. Reason being unless you have a ton of space around the machine, you can only operate it in one position or the other. Or you have to reorient the machine so that it always takes up the maximum space it needs to run flat,

The nice thing about a belt grinder is they are generally very slim but very deep. They fit into a narrow slot in the workshop. The linishing machine would ned a slot as wide as it is deep or you "can't" run it flat.

Maybe it's just me with my compact space requirements but that has been my experience. I'm also hankering after a nice 2x72.

 

[maz0]

Back in the days of Britishblades...where grinders were the main tool of choice, there was a chap down south who used to make them up in kits and they were excellent. In all honesty, anything bought off the shelf was never really considered worth it, unless your spending over a grand or so. I’d be looking out for any places that can sell you a kit form, and you provide the motor. If you do it right the first time then it will last you decades.
The ability to change wheels and move platten angles are all must haves, changing from vertical to horizontal is a nice perk. If its a solid frame you can always upgrade the motor in future with spare cash to increase the power for stock removal.
With a good belt grinder you can make anything from a pocket knife to a roll cage.

 

[vbottles]

There are various plans on t'internet for home built grinders. Here's one that I think has been well thought out and looks versatile. If I understood how to get a quote from the file for laser cutting I'd have started making one.

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[vbottles]

For me finding a way to make a grinder worth £1300 for £5-600 though expensive was cheap. The expensive pieces were the wheels and sorting a three phase motor and vfd. But if I lost all my tools it would be one of the first I'd make again.
Andrew

 

[Screwdriver]

Plenty of designs out there including 3d models like this one I nicked off Jeremy Shmidt.

If I ever get around to making one, it will look a lot like this!

 

[pedrobedro]

In grinding machines 1hp per 1" of belt width is considered the norm for profiling and shaping whereas sanding or linishing is not as demanding so can use less power as you are not removing the same volume of material.

 

[grim_d]

There's a single phase RJH bandfacer fairly local to me for £200 at the moment if you fancy a trip?

Cracking bit of kit, I love mine.

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[RichardM]

I used to use a PBS60 held in the vice, great little sander. Have recently built a belt grinder, in a thread somewhere. Runs at 1425 rpm, Could be faster to take metal off quicker, but is better than the bench grinder for lathe tools as they don't get so hot.

 

[Tangledfeet]

There's a single phase RJH bandfacer fairly local to me for £200 at the moment if you fancy a trip?

Cracking bit of kit, I love mine.

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Wow, that'll be a bargain for someone! Overkill for my needs; I'm after something smaller, and something I can easily move outside.

(Also, my wife would kill me if I even considered making a trip across Scotland for that; she knows two people that have received heavy fines for unneccesary travel...)

Thanks for posting @grim_d !

 

[Bravheart]

Wow, that'll be a bargain for someone! Overkill for my needs; I'm after something smaller, and something I can easily move outside.

(Also, my wife would kill me if I even considered making a trip across Scotland for that; she knows two people that have received heavy fines for unneccesary travel...)

Thanks for posting @grim_d !

fftopic:
Is going to view/buy a machine deemed unnecessary thought it would be legitimate business travel?

 

[Tangledfeet]

fftopic:
Is going to view/buy a machine deemed unnecessary thought it would be legitimate business travel?

Hmm... valid point!

 

[grim_d]

It's just up the road from me if you do want it. I'm happy to go get it for you...can sit in my workshop.

They are pretty heavy because of the cast iron base but a few lockable castors would sort that out.....

Not that big really the belt is 4" wide

I paid £60 for mine

 

[grim_d]

I've messaged them on your behalf

 

[Tangledfeet]

I've messaged them on your behalf

Its way too big for me... I think... but I could put it on castors... many thanks! Ooh, I don't know....

 

[optima21]

They are super useful tools and size isn't always the problem with the smaller ones. The problem is they can be cheap and nasty. This is a great video by one of the most awesome YouTubers out there, sorting out a cheap and cheerful belt grinder to perfection.

looks to be going to far too much effort to try to turn a grinder into a precision machine, which is something it never will be. the only real mod that Ive needed to do on mine was to reprofile the tensioning wheels as they wore away in the middle. I do use a diamond cup wheel on mine for sharpening lathe tools.

 

[Screwdriver]

looks to be going to far too much effort to try to turn a grinder into a precision machine, which is something it never will be. the only real mod that Ive needed to do on mine was to reprofile the tensioning wheels as they wore away in the middle. I do use a diamond cup wheel on mine for sharpening lathe tools.

Ah. So you didn't watch the video. This is Stephan Gotteswinter. Precision is his thing.

After those tweaks it grinds square within 20 microns.