510 to 520? Is it worth it?

[ibskot]

Just to recap for me, the fence is the main difference between the 510 and 520. The surface of the extensions are the same but the surface of the main table is less "ribbing" with the 520 then the 510. Now, I won't elaborate on the clampability or the alignability of either system. Is this correct?

[JPG]

Just to recap for me, the fence is the main difference between the 510 and 520. The surface of the extensions are the same but the surface of the main table is less "ribbing" with the 520 then the 510. Now, I won't elaborate on the clampability or the alignability of either system. Is this correct?

There are two versions of the table not including the early 510.

Ribs in the center section were removed on later tables.

510 and 520 tables(again the early 510 exclusion) are identical. Only the rails distinguish between them.

The rails will only work with the same version fence.

And the same can be said for '505'.

Notice either the 510 or 520 may have either of the center section.

Also keep in mind that a 510 may have been upgraded to a 520. Only the rails and fence came with the upgrade. i.e. the upgrade used the existing table.

So a 510 may have the smooth center section.

A 520 may have the ribbed center section.

Essentially the rails and fence make the 'model' distinction.

FWIW a 505 is a 510 without the floating tables and tubes/adjustable legs etc..

[ibskot]

I need a drink...I don't drink but wow....sounds pretty complicated.

[JPG]

I need a drink...I don't drink but wow....sounds pretty complicated.

Only if you must dump some previous mis-information/understanding.

Yes these things have evolved and upgrades make things less obvious.

For instance a SS with the 520 table/rails/fence may have started out as a Mark 5 Greenie, a Mark 5 Goldie, a Mark 5 from Magna American, a Mark 5 from SS Inc., a Mark V from SS Inc., a 505 or 510 from SS Inc. or RLF tools Inc., and they may or may not have been a 510 in between.

The Greenies and Goldies may have come from Magna Engineering Inc. or Yuba Power Products, Inc.

Trick is to get the time line correct. Who begat whom?:D

[dusty]

I need a drink...I don't drink but wow....sounds pretty complicated.

Don't drink, Study!

http://www.shopsmith.com/ownersite/toolhistory.htm

http://www.shopsmith.com/ownersite/faq/markv.htm

There are a few little idiosyncrasies along the line, like a table with or without ribs in the center section, that add confusion but do not change the version numbers.

Who manufactured the unit also adds some interest to the blood line.

Which versions are still supported by manufacturer is sometimes critical, especially if you need parts.

Mix all of this with personal preferences and biased opinions and you have a good reason to drink.

[JPG]

Don't drink, Study!

http://www.shopsmith.com/ownersite/toolhistory.htm

http://www.shopsmith.com/ownersite/faq/markv.htm

There are a few little idiosyncrasies along the line, like a table with or without ribs in the center section, that add confusion but do not change the version numbers.

Who manufactured the unit also adds some interest to the blood line.

Which versions are still supported by manufacturer is sometimes critical, especially if you need parts.

Mix all of this with personal preferences and biased opinions and you have a good reason to drink.

Tis difficult especially when the mother ship gets the details wrong.

Magna Engineering and Yuba power products preceded Magna American and it was a Mark 5 up until SS Inc. changed it to Mark V with the '500' AIUI.

[ibskot]

When I was using my SS 10 years ago, I had a Yuba BS. I liked that saw and regretted selling it. Now I have two SS BS' s. Funny how stuff comes full circle. I have the biggest shop area I have ever had and I am developing a "space saving" system. Before when I was super cramped, I had individual stuff. Go figure.

[Ed in Tampa]

Since there are two clamping screws, the sequence will vary the result especially if introducing external force(pushing up/down).

The height being different as the tubes are rotated seems to indicate bent tubes(however slight).

What this illustrates to me is that pushing/pulling will alter the positioning of the tube in the rail vertically and maybe deflecting the tube as well..

The design needs to be free to work as intended.

Bent tubes make that intention more difficult or impossible.

Gravity effect on the floating tables most likely results in the same deviation as pulling the tube up.

I am beginning to think the cause/effect/workaround are coincident.

JPG
I had the Old Table laying upside down on my SS main table and I measured the height off the Aux table. I figured using the SS as a standard would prevent any variations of using a workbench that might not be perfectly level all over.

With the main table upside down I tigthened the thumbscrews while pushing down on the connector tube or pulling up.
The loosen measurement was to establish a zero'ed height on each test.

Dusty may be right, my tube may be bent but since I gave a loosened or zero height any bend did not effect the test.

Yes the 180 rotation was me loosening each thumbscrew and turning the tube 180 degrees. Again I provided the loosen height which was a rezero of the measurements.

The back rail is on the old 510 (router table) I use the old 510 fence as a router fence. [ATTACH]26836[/ATTACH][ATTACH]26837[/ATTACH]

[Ed in Tampa]

Let me say about my dislike of the 510 tube situation.

Yes the problem can be corrected if you always pull up or push down on the connector tube and floating table.

However in practice I often forgot and usually it didn't make a difference. However there were times that it did make a difference and it was usually while I was doing a very critical operation.

The 520 method eliminated any requirement on the operators part to insure all tables were perfectly aligned. In other words there isn't a chance of having a table higher or lower than the main table when using a connector tube if the initial installation of the fence rails was done correctly.

That to me was worth the price of the 520 upgrade.

[algale]

Ed in Tampa has posted photos! Don't think this has happened since I joined the forum.