Uh..no it hasn't been considered before...so it looks like you might be the one to try it.I'm sorry if this idea has already been shared but...
What if you dropped the rollers in an acid bath (Muratic from HD) and let it pit them a bit? That might make them kind of knobby
That's for etching glass, I dunno if it would work on metal...it would be interesting if it would, because then we could create a diamond pattern stencil or something and get some actually control into the shape of the etching...do a grid or a cross hatch or something.Hmmm...what about the etchy stuff that people use on carboys....
It's back together and here's an incredibly pixelated video. I streamlined the resolution for internet and Google boxed it some more, but you can still make it out. The machined grooves work, but not as well as sandpaper. But it still crushed one pound per minute. I will put more grooves in it and try again. Today's batch went well. Word of caution: the audio doesn't come out until after about 50 seconds. So if you keep trying to increase the volume until then, you'll get a sudden earful of motor. The video is around 2 minutes.
Try this picture. Shows the motor and stuff I described above. Note the pasta roller in pieces because the rollers are still at the machine shop. And duct tape in the background. Mmmm.... tasty. When it's back together I'd be happy to videotape a grind.
I haven't read to the end yet so I may find you did get this back togehter, but if not, and it's the same as mine I can help you.I got mine back from machine shop quite a while ago, he wasn't able to knurl them, but threaded them one way then cross threaded which gave the same output. Problem now, I can't remember how I got the damn thing taken apart so I can put it back together.
Happy? Yes. Do it again? Only if this one breaks. I use this for all my batches now. This is my fifth consecutive pasta brew and unless it fails I'm sticking with it. But as I implied, there's still room for improvement. Now that I have a real handle on how much extra friction is needed, the next pass on the milling machine should bring it where I really want. Just a few extra grooves.Are you happy with the end product? Would you do it again? I picked up a 60's or 70's pasta maker that seems to have very heavy rollers, and I'm about to be sending it to a machine shop.
Any efficiency estimates yet?
From the original handle I hacksawed the last 2 inches or so, connected that to a MIP brass threaded end cap through which I drilled a hole. I drilled two cotter-pin style holes perpendicular to this fitting to hold it and crimped two finish nails in them as holding pins. I screwed the threaded brass cap into a FIP coupler that had a 1/2" female adapter on the other end. I screwed that end into a motor shaft attachment I found at ACE hardware for $5-$7 that is for 1/2" motor shafts. Sorry if this isn't clear. It's a kluge but it works great.You ROCK!!!!!
Looks like we have liftoff on this project. Especially if we get some reports back from successful machinings.
Mos, can you describe the drive shaft for us? What are you using?
If you haven't figured this out, this is an experimental thread...that means pretty much that we're all out on a limb here...In other words, if you have a question about that, the only way you'll know is if you take a bullet in the pursuit of knowldge like the rest of us...And try it for yourself...So ive been following this thread for some time, and went to my local pasta maker store and had a couple of questions. If you are technologically retarded and dont have the access or brains to get your rollers knurled, would a pasta linguine attachment work instead? And if not i saw some other things that i had in mind. They had a hand cranked meat grinder...and also food mill.
Would any of these sub as alternatives, or is it better to stick with the "tried, tested and true" method, that people created in this thread?
No, my Xs weren't deep enough. What worked well was milling horizontal lines. After the machine shop did a few lines it was improved, but it was only really good after I machined a few more, but deeper. Definitely be careful because the rollers are hollow! Since few people can access a milling machine, the other suggestions using drill bits, etc. seem more practical. Another thought I had but did not implement was somehow fastening a piece of metal screen wrapped around each roller. I tried plastic screen but it ripped apart. In the meantime I machined the lines. Good luck. Just finished my 9th pasta roller brew yesterday. Love it.3. Mosfet - did those little Xs work before you got the lines?
That is quite expensive for a knurl. I set it up on a lathe at work and it was not hard to do. Still, a wood lathe would not work, because the tool rest is not nearly sturdy enough, nor provide enough pressure, and the lathe itself spins many times too fast on lowest setting.This is the thread that lured me to join this site.
I have a pasta roller. Bought it, funnily enough, at an art supplies shop. The Bay didn't have one, Sears didn't have one. The kitchen supplies stores were selling them for over $100 - at that price I might as well get a dedicated grain mill. I was beginning to give up and nipped into the art supplies store next to the art college in dowtown Toronto and they had two.
Now, the problem is knurling them. Most people on this site are very tool savvy. I bought a hammer once, but returned it because it didn't come with instructions. I'll have to ask my neighbour if he can knurl for me. I've never asked someone to knurl before. I'm a bit nervous.
I phoned a couple of machine shops and they come out at $200 - 300 for a knurl!
I've got a couple of questions for the pioneers of this brewing technology:
1. I saw an italian site which was, thankfully, translated here:
Bodensatz Brewing - The Beer Site
There's a beautiful knurl on those rollers, but it also states that the walls of the rollers are quite thin. It looks like some of you guys have been mercilessly brutal to those rollers. Have you gone through the stainless steel and hit something else or were the Italians worrying over nothing?
2. Nostrildamus - Just to confirm, when you say you held the disk at a 45 degree then -45 degree angle to the roller, do you mean you're sanding Xs into the rollers? Could we have a photo of your knurl?
3. Mosfet - did those little Xs work before you got the lines?
I may do the drill bit up against the rollers as per Brown Dog's method (whatever's easiest for my neighbour). Although, I'll ask at the locksmith if they can help me out.
This is an amazing thread - cutting edge. Thanks so much.
You may just have saved an incipient brewing career.