LumberJocks

Checking R4512 alignment when first purchased

  • Advertise with us

« back to Power Tools, Hardware and Accessories forum

Forum topic by ppg677 posted 01-26-2016 11:51 PM 2611 views 0 times favorited 85 replies Add to Favorites Watch
View ppg677's profile

ppg677

78 posts in 322 days


01-26-2016 11:51 PM

I’m considering rolling the dice on a Ridgid R4512. I’ve read to check early for alignment problems. Is this something the user manual tell me how to check? If not, can someone point to instructions on what to do? Do a rip on 2 sides and use a carpenter square??


85 replies so far

View Stewbot's profile

Stewbot

195 posts in 550 days


#1 posted 01-27-2016 12:28 AM

I dont know exactly what the issue is with this saw that folks often talk/debate about but I know enough that I think you can check this without running the saw, not to mention you’ll have to clean it up if you decide to return it (just a few cuts will throw dust into very annoying places). Check out Youtube, i think ive seen videos of people documenting the issues on these specific saws and others, and how they check it.

-- Hoopty scoop?

View jacquesr's profile

jacquesr

339 posts in 889 days


#2 posted 01-27-2016 01:18 AM

Avoid all the hassle, buy a better saw: Delta 36-725. No regrets here.

View Crank50's profile

Crank50

173 posts in 1043 days


#3 posted 01-27-2016 02:32 AM

LOL, ” Is this something the user manual tell me how to check?”
Hell no. Ridgid/Home Depot will not even admit there is, or ever has been, a problem with the saws. You think they are going to put test procedures in the manual?

And it is not just an alignment problem. That could be fixed.

It is a case of engineering extremely poor design combined with very poor, or non-existing, manufacturing quality control.

When you crank the blade height up the entire arbor assembly twists and tilts because it is being lifted at a point off its center and is too weak in design to stay straight. Some people think that’s ok and when you get the height you want you can just back off a little and the twist will go away. WRONG. It never returns to the same alignment twice.

Measure the exact distance from the miter slot to the front of the blade, then measure it from the miter slot to the back of the blade. These two distances are supposed to be exactly the same. If they are the same, then the saw is aligned. Now raise and lower the blade and make the same measurement at a different height. If your saw has the problem, the distances will not be the same. Change the height again and the distances from blade to miter slot will change again.

It is a decent saw for the money as long as you want to have the fun of re-aligning the blade every time you need to change the blade height.

View RobS888's profile

RobS888

1986 posts in 1311 days


#4 posted 01-27-2016 03:38 AM

It takes a few hours to assemble and probably longer to pack up. I think the table is upside down in the box. So you have to remove the parts box then tip the box over and lift it off to get access to the table. Then put a wheel on the height adjuster. Then put on the blade and test the alignment. Miter slot front to back on same tooth or area of blade. I’ve seen it both ways. Then raise the blade as high as you can and retest. The back will probably start to move away from the front reading. Sometimes you can see it move over.

Go to the woodwhisperer’s site. He has a good table saw tune up video.

I thought my binding problem was the fence…Ridgid sent me a couple of parts for free. I realize now they probably knew exactly what the problem was. I could stall mine ripping pine and even popped a circuit breaker a few times.

I’m sorry I wasted $500 and lots of time trying to make it work. I gave it to habitat for humanity.

-- I always suspected many gun nuts were afraid of something, just never thought popcorn was on the list.

View TheFridge's profile

TheFridge

5765 posts in 952 days


#5 posted 01-27-2016 03:51 AM

Open it there and see if the trunnions have a Roman numeral 2 on it.

That’s all I know.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

View knotscott's profile

knotscott

7223 posts in 2842 days


#6 posted 01-27-2016 04:06 PM

There should be instructions in the owner’s manual for doing the alignment, but there’s not likely to be any mention of the alignment problem that Crank50 mentioned. They’ve supposedly corrected it, but we’ve read about that correction multiple times, followed by multiple posts of the problem. It has been a while since I’ve seen a complaint about it. As The Fridge mentioned, trunnions with the Roman numeral “II” stamped on the trunnion bracket are supposedly the corrected versions. If there’s no problem, then the saw should align as expected.

I do think the Delta 36-725 has a more robust fence, plus there’s been no history of an alignment problem.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

View ppg677's profile

ppg677

78 posts in 322 days


#7 posted 01-27-2016 04:39 PM

Alright, well talk about an exercise in frustration. Everyone says “NO NO NO, don’t get a jobsite saw because they suck”. So what’s my alternatives besides a 500-pound Grizzly? Well locally it is the R4512 and Craftsman comparable option, but “NO NO NO, those suck too”. I watched the youtube videos on blade shift. I’m surprised that 0.003” shift matters for woodworking.

Sounds like the only option that doesn’t suck that weighs less than 500 pounds is this Lowes Delta model. And I don’t have a Lowes around here.

So what I’ve learned is that….either the current state of affairs sucks or I’m getting elitist advice. I’m not getting a 1000-pound cabinet saw.

I’ve been making some nice items using little more than hand tools and a crappy saw table (circular saw attached to a steel table). I’m looking to “upgrade” my crappy saw table to something better and basically I’m being told every option sucks. This group sucks! :-)

View 716's profile

716

502 posts in 383 days


#8 posted 01-27-2016 05:14 PM

If you look closely into each instance of the ‘misalignment issue’ you will have an impression that the claim is made by someone who sees a table saw for the first time, which very well might be true. I stated more than once in here that out of all videos I saw about the problem only one shows it. Most of others claim any dial indicator needle tremble to be the dreaded misalignment problem.
I would suggest and go ahead and buy the saw. The chances of getting a defective saw is not higher than with any other company. Go to Home Depot website and read reviews or real owners of the saw rather than from the “he said she said” folks in general forums. If you are not satisfied with the saw just return it in the first 90 days.

-- It's nice!

View knotscott's profile

knotscott

7223 posts in 2842 days


#9 posted 01-27-2016 05:16 PM



Alright, well talk about an exercise in frustration. Everyone says “NO NO NO, don t get a jobsite saw because they suck”. So what s my alternatives besides a 500-pound Grizzly? Well locally it is the R4512 and Craftsman comparable option, but “NO NO NO, those suck too”. I watched the youtube videos on blade shift. I m surprised that 0.003” shift matters for woodworking.

Sounds like the only option that doesn t suck that weighs less than 500 pounds is this Lowes Delta model. And I don t have a Lowes around here.

So what I ve learned is that….either the current state of affairs sucks or I m getting elitist advice. I m not getting a 1000-pound cabinet saw.

I ve been making some nice items using little more than hand tools and a crappy saw table (circular saw attached to a steel table). I m looking to “upgrade” my crappy saw table to something better and basically I m being told every option sucks. This group sucks! :-)

- ppg677

The problems with the R4512/21833 alignment never did effect all units. I think the odds are in your favor, plus their return policy is good. Lots of saws will suffice and cut wood, but if you’re going to spend $500-$600, I think most folks here just want to see you get the most saw for your money that suits your needs. If the R4512 or 21833 are the only game in town, just be aware and take a good look….

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

View Rick M's profile

Rick M

7933 posts in 1846 days


#10 posted 01-27-2016 05:17 PM

Not elitism, you just want a solution that doesn’t exist. Any saw under about $1500 will be compromise, the Delta is the best option under $900 but you are free to ignore good advice and spend your money on regret.

-- http://thewoodknack.blogspot.com/

View ppg677's profile

ppg677

78 posts in 322 days


#11 posted 01-27-2016 06:19 PM


The problems with the R4512/21833 alignment never did effect all units. I think the odds are in your favor, plus their return policy is good. Lots of saws will suffice and cut wood, but if you re going to spend $500-$600, I think most folks here just want to see you get the most saw for your money that suits your needs. If the R4512 or 21833 are the only game in town, just be aware and take a good look….

- knotscott

Yeah, its totally unclear whether half of the units have the problem these days or what.

View RobS888's profile

RobS888

1986 posts in 1311 days


#12 posted 01-27-2016 07:14 PM


If you look closely into each instance of the misalignment issue you will have an impression that the claim is made by someone who sees a table saw for the first time, which very well might be true. I stated more than once in here that out of all videos I saw about the problem only one shows it. Most of others claim any dial indicator needle tremble to be the dreaded misalignment problem.
I would suggest and go ahead and buy the saw. The chances of getting a defective saw is not higher than with any other company. Go to Home Depot website and read reviews or real owners of the saw rather than from the “he said she said” folks in general forums. If you are not satisfied with the saw just return it in the first 90 days.

- 716


Could you link to these videos please? I only see 2 videos on youtube.

My R4512 was my 3rd table saw and it turned out to be a POS. Unless you have owned one, your opinion isn’t really valid on this issue.

EDIT:

I just checked and my 1 star review isn’t on the HD website anymore.

-- I always suspected many gun nuts were afraid of something, just never thought popcorn was on the list.

View 716's profile

716

502 posts in 383 days


#13 posted 01-27-2016 08:14 PM


Could you link to these videos please? I only see 2 videos on youtube.

My R4512 was my 3rd table saw and it turned out to be a POS. Unless you have owned one, your opinion isn t really valid on this issue.

EDIT:

I just checked and my 1 star review isn t on the HD website anymore.

- RobS888


This guy is totally confused. This one too.

Now the sacred 36-725 that is “the best table saw under $900” and “Has no history of misalignment”.
Or this one:

Or G0771 with its “cabinet mounted trunnions” that is “free from the defect”.
Note: mine was much worse.

The thing is. Ridgid has been around for some time and sold tens of thousands of saws. For some reason a few QC issues have been overblown over the whole brand. You can find a lemon anywhere: whether it is car, table saw, or a pack of spaghetti.

Delta is a relatively new saw so it is too early to judge.
But having a close look into both Ridgid and Delta I would disagree that Delta is a better saw. It is much lighter, feels flimsier and the fence is similar thin walled aluminum with split rail.

And finally I do own G0715P that is a similar design. I posted a video here a while ago about its alignment, challenging anyone with Unisaw, Powermatic or even Oliver to prove that their saws aremore accurate. Nobody took the challenge.
It does deviate +- 0.007 while the blade being raised but always returns to zero when the tension is released and the handle is fixed. It is a defect in someone’s books but not in mine.

-- It's nice!

View 716's profile

716

502 posts in 383 days


#14 posted 01-27-2016 08:22 PM



Not elitism, you just want a solution that doesn t exist. Any saw under about $1500 will be compromise, the Delta is the best option under $900 but you are free to ignore good advice and spend your money on regret.

- Rick M.


See the post above.

-- It's nice!

View knotscott's profile

knotscott

7223 posts in 2842 days


#15 posted 01-27-2016 09:32 PM


... Delta is a relatively new saw so it is too early to judge.
But having a close look into both Ridgid and Delta I would disagree that Delta is a better saw. It is much lighter, feels flimsier and the fence is similar thin walled aluminum with split rail.

- 716

I don’t see much similarity in the fences. The Delta fence is front locking t-square design with steel rails and a steel fence tube welded to a steel t-square….the faces are aluminum. The R4512 is dual locking extruded aluminum throughout with a fence tube that bolts to the t-square.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

showing 1 through 15 of 85 replies

Have your say...

You must be signed in to reply.

DISCLAIMER: Any posts on LJ are posted by individuals acting in their own right and do not necessarily reflect the views of LJ. LJ will not be held liable for the actions of any user.

Latest Projects | Latest Blog Entries | Latest Forum Topics

HomeRefurbers.com