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Advice Sought: Squaring my POS sliding mitre saw

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Forum topic by Milo posted 07-21-2012 07:30 PM 1135 views 0 times favorited 18 replies Add to Favorites Watch
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Milo

862 posts in 2063 days


07-21-2012 07:30 PM

Topic tags/keywords: question miter saw

Hey gang,

The draw on my sliding mitre saw. It’s a POS I picked up at a garage sale, but it runs, and I’d to see if I can salvage it.

When I push (or pull) I don’t get a straight, 90 degree cut to the length of the board. Say, after the cut, I have a 2 foot board on one length, I have 2’ 1/8 on the other.

Is there a way to fix this permanently? Is my only recourse to play with the angle adjustment on the table?

I appreciate the advice. Here are a couple shots of my CSMS.


Each degree has an internal slot the table fit in to as you adjust the angle.


No clamp to hold the table in place when you turn it, as you can see.

If you have any ideas, let me know!

Milo

-- Beer, Beer, Thank God for Beer. It's my way of keeping my mind fresh and clear...


18 replies so far

View Bill White's profile

Bill White

3579 posts in 2704 days


#1 posted 07-21-2012 07:54 PM

Uhhhh? POS? Why didja buy it?
After that blast….Good blade (muy importante), table adjust ( as in stops), a good square for set-up ( I use a drafting square for most). Even some crappy MSs can be made to work well with proper set-up.
Are the bearings shot? Lot’s of “wiggle” at full extension of the arm?
Bill (Who’s blocked by Poopiecat for some unknown reason).

-- bill@magraphics.us

View Joe Lyddon's profile

Joe Lyddon

7928 posts in 2796 days


#2 posted 07-21-2012 08:15 PM

It obviously does not SLIDE in a straight line.

Good luck!

-- Have Fun! Joe Lyddon - Alta Loma, CA USA - Home: http://www.WoodworkStuff.net ... My Small Gallery: http://www.ncwoodworker.net/pp/showgallery.php?ppuser=1389&cat=500"

View jim C's profile

jim C

1455 posts in 1842 days


#3 posted 07-21-2012 08:45 PM

Loosen your back rail and square it to the blade.

-- When I was a boy, I was told "anyone can be President", now I'm beginning to believe it!

View Milo's profile

Milo

862 posts in 2063 days


#4 posted 07-22-2012 06:57 PM

Bill,

You’ve never bought spur of the moment and regretted it later?

;)

-- Beer, Beer, Thank God for Beer. It's my way of keeping my mind fresh and clear...

View devann's profile

devann

1735 posts in 1436 days


#5 posted 07-22-2012 07:41 PM

Maybe this will help you Milo.

To check that your miter saw is cutting true, take a board that is near the cutting capacity of the saw in width, and say 18”+ long. With the saw set to 0° cutting near the center of the board make a cross cut. Now flip one of the pieces you just cut over, placing the side that was closest to you to the fence. Butt the cut together and check for a gap. If there is no gap your saw is cutting true. If there is a gap, adjust saw until a tight joint is achieved. Same technique applies for the bevel settings of a saw.

-- Darrell, making more sawdust than I know what to do with

View jim C's profile

jim C

1455 posts in 1842 days


#6 posted 07-22-2012 08:22 PM

Again, look at post 3. IMO, Thats all thats needed to adjust.
Lay a square against the teeth of the blade and move the fence until it is aligned with the perpendicular side of the square.

-- When I was a boy, I was told "anyone can be President", now I'm beginning to believe it!

View cutworm's profile

cutworm

1065 posts in 1537 days


#7 posted 07-22-2012 09:02 PM

I adjust mine like Darrell and Jim. I loosen one end of the fence and leave on end tight. Tap the loose end with a hammer. And draw a line along the fence on the base to see if it’s moving and how much.

-- Steve - "Never Give Up"

View Milo's profile

Milo

862 posts in 2063 days


#8 posted 07-25-2012 08:31 PM

I’ll see if I can do that Jim. Took me a while to figure out what your were telling me, then, light bulb!.

Hope that rail doesn’t move with the fence though… :(

-- Beer, Beer, Thank God for Beer. It's my way of keeping my mind fresh and clear...

View jim C's profile

jim C

1455 posts in 1842 days


#9 posted 07-25-2012 08:56 PM

What rail?
There’s a stationary fence that back up the wood to be cut.you should be able to loosen the screws and square perpendicular to the blade.

-- When I was a boy, I was told "anyone can be President", now I'm beginning to believe it!

View Howie's profile

Howie

2656 posts in 1666 days


#10 posted 07-25-2012 11:15 PM

Take a day off from woodworking. Go fishing. Use saw for boat anchor. “Lose” anchor. Find new saw.

-- Life is good.

View Sawkerf's profile

Sawkerf

1730 posts in 1812 days


#11 posted 07-25-2012 11:26 PM

Can’t tell what brand it is, but that back “rail” looks like the one on my Makita SCMS. Mine has two bolts (one at each end) that allow it to be squared to the blade.

Set the saw to 0* and lock it in the down position. Use a square (a speed square should work fine) to align the back “rail” to the blade and tighten the bolts. Piece of cake and shouldn’t take more than a couple of minutes.

-- Adversity doesn't build character...................it reveals it.

View Bill White's profile

Bill White

3579 posts in 2704 days


#12 posted 07-25-2012 11:34 PM

“You’ve never bought spur of the moment and regretted it later?”

Yep! Though I didn’t “buy” my first wife.

I also bought some MinWax stuff, but that’s another story.

Bill

-- bill@magraphics.us

View Milo's profile

Milo

862 posts in 2063 days


#13 posted 07-26-2012 11:18 PM

This is a true POS guys. The back fence does NOT move independent of the table. Yeah!

But see that knob in the first picture, on the right, behind the fence? It locks the table in place, even the 2 degrees I need to make it square. yeah! I think I found my solution. Now to get some scrap and test until I get it right.

THANKS GANG! You guys are the best.

Milo

p.s. Howie, strongly considering your ideas…. ;)

-- Beer, Beer, Thank God for Beer. It's my way of keeping my mind fresh and clear...

View Alexandre's profile

Alexandre

1417 posts in 934 days


#14 posted 07-26-2012 11:20 PM

What does POS stand for?
Sorry, I don’t know what it means :P

-- My terrible signature...

View Milo's profile

Milo

862 posts in 2063 days


#15 posted 07-27-2012 12:17 AM

Piece

Of

S#@$.....

:)

-- Beer, Beer, Thank God for Beer. It's my way of keeping my mind fresh and clear...

showing 1 through 15 of 18 replies

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