Help Identifying A Radial Saw/Router - Router Forums
 
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post #1 of 5 (permalink) Old 03-04-2012, 09:54 PM Thread Starter
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Default Help Identifying A Radial Saw/Router

Some years ago I was in a woodworking shop that had a Craftsman radial arm saw of the 70's to early 80's style. It had the inverted U design where the motor was mounted to the bottom legs of the U. The unique thing about this particular radial saw is that they had a second carriage for the saw that had a Porter Cable router mounted where the saw motor would normally be. The carriage was identical to the saw carriage except for the sleeve that held the router motor.

My question is: Was this router carriage something that was at one time offered by Craftsman or was this some kind of professionally made modification? I have been in many other shops with radial arm saws and have seen the L bracket option that mounted a router to the end of the saw motor, and I've seen the router collet that attaches to the tail shaft of the saw motor (too slow to rout), but I have never been able to find out anything about the router carriage that I saw that day. Changing it from the saw carriage to the router carriage was quick and easy as it only required removal of two carriage rollers and the unpluging of a twist lock power connector and then exchanging the carriage followed by replacement of the roller guides and plugging in the twist lock plug made it very easy to change back and forth. With the router mounted on the same axis as the saw motor also made it very easy to position the router.

Has anybody ever seen anything like this? I would sure like to have one.

Charley
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post #2 of 5 (permalink) Old 03-04-2012, 10:42 PM
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I have a 1972 Craftsman 12" Radial. Years ago I machined a 90 degree angle plate that would bolt to the front of the saw motor. There are 4ea. 5/16-24 thread bosses in the front - for what I don't know. I used it to hold the router like a pin router for some template work. Worked fine. I have never seen any mount that would slide on to the guide ways and hold a router. Plus I have never seen a mount like to one I had either or any advertisement for one. Back when Sears had their catalog stores they mailed me tons of ads - never anything like that. Those holes are good mounting points for measuring table flatness or blade run out etc. with a dial indicator. If you make one it should be made of alum. and requires a lot of machine work. A big piece of alum. angle will not work - as it will not be square. This application is good for pin routing where the pin is in the table ( aux table). Guide bushing have pretty much replaced the pin router method unless you have a lot of templates already made. The advantage is you routed from the top and could see the work. Disadvantage was the guide pin was below and not visable so sometimes you would get lost as to which way to attempt to follow the pin You can do the same thing with a router table by building an arm with a pin above the work. I would srcap the Radial method for the router table method or scrap both ideas unles you plan to do a lot of pin template routing.. This is the type Radial arm saw but you can't see the bolt holes in the photo.
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post #3 of 5 (permalink) Old 03-04-2012, 11:15 PM
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Hi CharleyL

You got my wheels turning and Yes I have seen that type b/4 it's been a very long time ago but if I recall the motor carriage could be rolled out the Router carriage could be rolled into place..on to the same system..But I think it was a old Black and Decker/DeWalt machine.

As you know I made a RAS in to a Pin router I have posted many pictures of it so I will not post them again but you can see it in my uploads and a angle bracket works just fine for the job it hangs off the rear of the motor with 4 bolts..it's a very simple router motor bracket but it works great as a pin router setup..

===

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Originally Posted by CharleyL View Post
Some years ago I was in a woodworking shop that had a Craftsman radial arm saw of the 70's to early 80's style. It had the inverted U design where the motor was mounted to the bottom legs of the U. The unique thing about this particular radial saw is that they had a second carriage for the saw that had a Porter Cable router mounted where the saw motor would normally be. The carriage was identical to the saw carriage except for the sleeve that held the router motor.

My question is: Was this router carriage something that was at one time offered by Craftsman or was this some kind of professionally made modification? I have been in many other shops with radial arm saws and have seen the L bracket option that mounted a router to the end of the saw motor, and I've seen the router collet that attaches to the tail shaft of the saw motor (too slow to rout), but I have never been able to find out anything about the router carriage that I saw that day. Changing it from the saw carriage to the router carriage was quick and easy as it only required removal of two carriage rollers and the unpluging of a twist lock power connector and then exchanging the carriage followed by replacement of the roller guides and plugging in the twist lock plug made it very easy to change back and forth. With the router mounted on the same axis as the saw motor also made it very easy to position the router.

Has anybody ever seen anything like this? I would sure like to have one.

Charley


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post #4 of 5 (permalink) Old 03-05-2012, 08:11 AM Thread Starter
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Thank you both for your replies, but what I'm looking for is the complete carriage with a sleeve in the place of the saw motor, into which a 3 hp Porter Cable or similar router motor is installed. The L bracket mount is something that I have already done, but I'm not happy with it. What I'm looking for appeared to be a manufactured item, so I thought that maybe it had been offered by Sears at one time. If not, it was a very professionally made modification probably that was likely made by taking a carriage from a second identical RAS and modifying it for the router to be installed in it. I could probably do this by having the work done by a machine shop, but was hoping that I wouldn't have to.

Charley
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post #5 of 5 (permalink) Old 10-09-2013, 12:24 PM
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Charley, over at DelphiForums.com's DeWalt Radial Arm Saw forum, I believe I have seen threads about what you're hoping to do. It's pretty easy to do, BUT my understanding is that every time you take the yoke off the arm, the RAS needs to be re-trued, which can be a PIA. Generally, I would recommend a Delta RAS instead of the DeWalts because certain of the Deltas are built w/ an easily and obviously removable end cap on the arm for the express purpose of taking the yoke/carriage assy. away from the jobsite at the end of the workday, leaving the very heavy saw base, column, and arm behind. From this we can infer that Delta believes their setup will remain true thru this process.
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