Thread: Scraping Class in Melbourne

Add me to joining the class. I don't hardly have any experience in scraping?

That's terrific, thanks Phil. I figured they were 1" but thought I'd just check.

These are the blanks I'm using; 1 x 1/2 x 1/8
Enco - Guaranteed Lowest Prices on Machinery, Tools and Shop Supplies

I presume the radius on the side is so the blade can be rotated for another radius? I'm currently using about a 80-90 mm radius on one end, and a much greater radius on the other. I'll try to take some photographs in case anyone may be interested but will post them in a new thread so I don't poison this one.

Pete

Originally Posted by Machtool

Pete.

I found carbide in Forrest’s C2 (ANSI) recommended grade at Carb-I-Tool. They call it K20 (ISO) Micrograin. They have a bulk of it. I have the catalog and price list here if you want it. Its not on their site.

I'd take a blank or 2 as well. Probably also a scraper if there's any available otherwise I'll just make one, not real fussed.

Travelling ATM so not a lot of time to do more than a quick scan of posts. Big boat to Devonport tonight, back home soon after 2 months away. Time to get back to the big project....

PDW

Righto gentlemen, We now need to get the cast iron blocks sorted ASAP, reason being the stuff is rarer then unobtanium in square/rectangular sizes...

We have found some though that will be suitable for our needs, but we need to know who would like it so it is not sold under our noses..

The size of each block will be approx 105X55X155, the cost of each block is $50. (not included in the $300 class fee)

We will use these to scrape, flat, then parallel and then one side square.. If you purchase one block you could then slice it in half to get two 25X50X75 (or thereabouts) blocks that you can finish at your leisure) I think these will be a great project for each participant, as it will teach you about alignments that you can not learn just by scraping something flat like a straight edge.

The blocks will be deliberately machined out of parallel by a smidgen to further enhance your newly found scraping skills as you learn to bring it back to alignment, just like a worn machine tool...

So can you please post here or email Joe as to how many blocks you require, one or two (two if you want to end up making matched ~50, ~100, ~150 blocks)

If you do not want a block, can you advise what you wish to bring to the class so we can approve it... Things like lathe cross slides we will not be able to accommodate on the weekend.. The blocks are a great project and I strongly recommend everyone grab a piece..

With regards to costs, those purchasing the blocks will need to pay for them pretty much straight away so we can purchase the material.. We need to know who requires a tax invoice for the blocks?

Hi RC,

Originally Posted by .RC.

The blocks will be deliberately machined out of parallel by a smidgen

Gee thanks

Originally Posted by .RC.

So can you please post here or email Joe

Done,

Could we have some holes drilled in them for mounting or would that make things to hard for beginners?

Thanks again for your effort guys.

Stuart

By now all applicants for the scraping class will have received an e-mail with payment details for a class deposit, cast iron parallels and carbide scraper tips.
Please let me know if you need a tax invoice for the parts when you inform me of your payment.
If anyone wants to attend and HASN'T got an e-mail - DO let me know quickly.
Cheers,
Joe

Just on the subject of accommodation... Do you all want to get together and try for a bit of a group discount at the one place?

Also don't forget Joe is now looking for money to secure spots.... I have paid mine.. Have you paid yours?

No and yes.

Gentlemen.

At exactly this time in 9 weeks, we should be standing around here, drinking coffee over introductions and about to get stuck into it.

I’ll be ordering the cast iron bar on Monday, for the class. If anyone hasn’t got there requirements in for those blocks yet, Monday will be the last chance.

Regards Phil.

Just as a teaser - and for some useful information - particularly in the photos, go and read:
Rich King's scraping/machine rebuilding class (Picture Heavy) - Practical Machinist - Largest Manufacturing Technology Forum on the Web

Joe

Hi Joe,
His class looks like it was really enjoyed by the participants, and I have no doubt that it would be great to go on one of Mr. Kings workshops, but at this stage my pockets aren't deep enough. He really covers some ground during the three days, that's for sure. Cheers,
Rob.
PS. better not let anyone else know what he charges, - our fees may go up! RG.

BIAX & HAND SCRAPING CLASS PLUS BASIC REBUILDING CLASS | eBay

I know the author of that thread ("Lazlo") relatively well through the internet/email, and he's no dummy. He works as an engineer in the US and has a great deal of both theoretical and practical knowledge he willingly shares to help others. He's also a very nice guy!

Pete

I’ve had a look at that thread also. That raises a question. Do you guys want to see Turcite or Moglice applied? I have some here, we could do a mock up on a faux gib, or such to show you. Turcite would be quickest. Then you can have a practice on scrapping it on the Sunday after it has set.

Any interest in that?

Regards Phil.

Originally Posted by Machtool

I’ve had a look at that thread also. That raises a question. Do you guys want to see Turcite or Moglice applied? I have some here, we could do a mock up on a faux gib, or such to show you. Turcite would be quickest. Then you can have a practice on scrapping it on the Sunday after it has set.

Any interest in that?

Regards Phil.

Phil I have mentioned to Joe that I cannot confirm until very close to the date due to uncertainty with work commitments, however if I were to make it then yes I would most definitely be interested in seeing this applied and scraped. I think it's especially one of those areas where most (all?) of us wouldn't have seen it used before, yet possibly have machines that could use it! It's not the sort of thing one can wander down to the local Bunnings and buy a heap of it to fool around with for a giggle, so this would be a good opportunity in my book.

Pete