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Thread: Waldown lapper and grinder
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15th August 2015, 01:13 PM #1Senior Member
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Waldown lapper and grinder
A while back I was lucky enough to pick up a Waldown grinder (which has been on my ' if I see one at a good price.... will buy one' list for a long time). It is the same as Phils as shown in this link
http://www.backsaw.net/pics/Misc/WaldownCupGrinder.jpg
But also picked up a Waldown centre hole lapper similar to this
http://www.ebay.com.au/itm/Waldown-P...-/311384255540
Now I have never seen another one until this popped up on Ebay. They are used to improve/repair/renovate center holes in the ends of shafts prior to grinding. It was only $40 so I could not leave it there even though it is not something you would use every day unless you did a lot of precision cylindrical grinding. It is surprisingly heavy and very well made.
Before everyone goes "photos" they are currently mummified in shrink wrap in a shed awaiting the 'new sheds' construction so they can be liberated. But seeing the one on Ebay reminded me and as they are not that common thought I would share. One wonders what other little gems Waldown made. Does anyone have a catalogue of their complete range?
Cheers
Mark
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15th August 2015 01:13 PM # ADSGoogle Adsense Advertisement
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15th August 2015, 02:45 PM #2Senior Member
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Here is a brochure of a similar machine
http://www.iamachinery.com/brochures/scans/0077.pdf
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15th August 2015, 06:19 PM #3SENIOR MEMBER
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Not sure how he will pull off $800 bucks for that.
Sure its lovely to look at and even better to hold. But the hand full of companies left that need one, already have one.
It's redundant, and at $8h, its all most out of reach for the home punters. I can do the same thing with a 60 deg mounted point stone or a soft lap in a battery drill, on the one time per two years I need to pull a center back to plumb.
How ever, if I win Tatts tonight, it will be here Monday.
Regards Phil
(On Edit) Another Forum, that I frequent. They are working them selves into a frenzy about how to do "just the thing" this machine does.
http://www.practicalmachinist.com/vb...-shaft-307675/
39 posts and counting, no one has mentioned lapping the centre back true. And that's across two continents. US & Euro. (To the mod's. I don't mention that as a us (forum) verses them thing). I only mention it, as they do every other technique apart from what this machine does.
Surely we are not the only country that pulls centres back true, and built machines to do the same? That's a stock in trade. Seen it done dozens of times.
This used to be about 3rd year apprentice work, moving a centre to get a journal to run true.
If I'm feeling brave after dinner. I''l drop a link to that centre lapping machine, and get the wagons in a circle.
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15th August 2015, 06:40 PM #4Senior Member
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Not sure how he will pull off $800 bucks for that.
That guy is very very optimistic with all his prices. Makes you wonder if he ever sells anything.
This is definitely not something for the home shop. The place were I brought it did a lot of grinding mainly for aeronautical customers and even he rarely used it. I only brought it because I couldn't see it sold for $20 and was trying to push the price up. No one at the auction knew what it was. But I do want to put some centers in some precision rod I have. It might help make a rounder smoother center that is a little more accurate than a standard drilled/bored hole. I suppose you may be able to move the hole slightly ?few thou to improve alignment if needed. Yet to test it out. I'm currently the boy who lives in a candy shop but all the candy is packed away and can't be used.
They do make a precision center grinder (ie technica center grinder) that will produce a highly accurate center hole but they are a whole lot more sophisticated machine.
So Phil did the machine arrive safely and the cheque follow soon afterwards.
Cheers
Mark
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15th August 2015, 07:27 PM #5SENIOR MEMBER
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I put in a big edit after that, we would have been typing at the same time.
Regarding the machine- assuming slide grinder U.K. They have gone totally off the radar. Wont respond. Me & R.C have been watching the boat. I'm pretty sure its there. I cant get a response.
Business my size, there 40% of my overdraft in that container. Timber, Lashings, Crane, 9 nights accommodation, fuel.
Your the Doctor. Don't be surprised if I hit you up for some anti-depressants. On that I'm not joking. I'm sure I'm developing an ulcer, just with stress. No ones fault, I'm still proud to put in for the cause.
You may have missed it. First week for R.C's machine. That was easy. They couldn't find me am empty 40ft container for the U.K machine, so I drove home for a week. You know what its like to go away for work, you cant leave anything on your plate by Friday.
So that week off was pretty plain. All in all I was involved for over 3 weeks, with about a week of that at real money.
My prediction, its only just got there or about to. We assume it was off-loaded in France just before last weekend. Assuming Chunnel rail. Its there or very, very close.
My luck being an open top, its been hijacked by Somarlian Imigrants to the U.K.
If its traveled well. I'll get paid. If its a dirty rusted mess, that's busted out of the bindings. I'll be so out of luck. Its a game I play, I just wish they would take me up on the double or nothing offer.
German machine last year, same deal. Every one wants to wait until they can see it. I should know better and get a deposit, or payment prior to shipping. Those 6 - 8 weeks hurt.
Regards Phil.
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15th August 2015, 09:39 PM #6SENIOR MEMBER
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Diner was good. I wasn't even late home..
I poked the bear.
http://www.practicalmachinist.com/vb...5/#post2601532
Awaiting the advise how you cant do that, even thou the Aussies have been doing it for a century,
Phil.
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15th August 2015, 10:21 PM #7Philomath in training
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Jones and Shipman have made them too, so sounds like they are used in Aus, Europe and the UK (but not in ...).
Michael
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15th August 2015, 10:30 PM #8Senior Member
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Your a game man Phil, they may release the dogs.
I saw that thread earlier. Its one of the reasons I started this thread. They can certainly over complicate things some time.
Its disappointing the grinder business is taking so long to be completed. Its always irritating when people who owe you money go quiet. Here's hoping it ends up a very profitable exercise for you.
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15th August 2015, 11:24 PM #9GOLD MEMBER
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15th August 2015, 11:31 PM #10SENIOR MEMBER
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16th August 2015, 12:04 AM #11SENIOR MEMBER
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I saw that thread, noted that it had been answered at post #2, and moved on. As you said Phil, moving or repairing a centre is basic lathe work. Mind you in the land of "If it don't fit in a 3 jaw self-centring chuck it don't get turned"*, I wonder how many of the guys even use centres!
It will be interesting to see how many pages it goes to as everyone argues how to suck eggs.
* Followed closely by his ugly half-brother "If it don't fit in da vise, it don't get milled".
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16th August 2015, 01:07 AM #12Pink 10EE owner
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I do not know how it is done in industry, but I do reasonable amount of between centre turning and a bit of grinding. Probably the single most I ever did was making bars and stuff for the 10EE and other reconditioning work.
Light red, the colour of choice for the discerning man.
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16th August 2015, 08:41 AM #13Philomath in training
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16th August 2015, 01:13 PM #14SENIOR MEMBER
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Cripes, for the money they're asking it seems a complete no brainer to modify an existing pedestal drill so the bottom centre can't rotate as it travels up and down; one ground rod a couple of brackets, and you're good to go. Definitely NOT o my "to do" list however!
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16th August 2015, 03:13 PM #15Senior Member
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