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Old 02-09-2012, 09:38 PM   #16
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Left blade circular saws


Quote:
Originally Posted by framer52 View Post
all of the cordless saws are left handed.

I have the PC lefty
I have a 18v cordless black and decker that has the blade on the right.

Is your PC corded?


Here's the 2 I've been looking at...

Bosch- http://www.amazon.com/Bosch-CS5-120-.../dp/B000WMDBIE

Milwaukee- http://www.amazon.com/gp/product/B00...4V42JG2W78RGDR

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Old 02-09-2012, 10:16 PM   #17
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it doesnt matter which way the design on the blade is facing... the only thing you need to pay attention to is the direction of the teeth.. they cut on the up through the bottom of the material...
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Old 02-09-2012, 11:14 PM   #18
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Left blade circular saws


Quote:
Originally Posted by woodworkbykirk
they cut on the up through the bottom of the material...
Actually, the leading edge of the cut travels downward through the material (from top to bottom). This is a result of a round blade moving forward, and also because the foot can never be higher than the CL of the blade. This is evidenced by the bottom of the material being the 'last' area to be cut. The teeth are moving up, but the cut is moving from top to bottom.
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Old 02-09-2012, 11:38 PM   #19
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Left blade circular saws


This thread seems to be fatally derailed.

It's just about saws with the blades on the left. Not about blades or which side the blades labels are on.
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Old 02-10-2012, 07:03 AM   #20
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Left blade circular saws


Quote:
Originally Posted by Total Tool
This thread seems to be fatally derailed.

It's just about saws with the blades on the left. Not about blades or which side the blades labels are on.
OK...to answer your original question: The Skilsaw wormdrive Made in USA. To get one will require shopping the "used" market, I believe.

Last edited by jlmran; 02-10-2012 at 07:13 AM.
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Old 02-10-2012, 07:27 AM   #21
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Left blade circular saws


My DeWalt DC390 cordless has served me very well for years.

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Old 02-10-2012, 04:07 PM   #22
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Left blade circular saws


Quote:
Originally Posted by jlmran View Post
Actually, the leading edge of the cut travels downward through the material (from top to bottom). This is a result of a round blade moving forward, and also because the foot can never be higher than the CL of the blade. This is evidenced by the bottom of the material being the 'last' area to be cut. The teeth are moving up, but the cut is moving from top to bottom.
??????
the only way for a circ saw to cut on the downstroke is if you are going backwards..... as the blade cuts up from below at the front of the saw.. believe it or not this is a question that is asked on the national exam for a carpenters red seal
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Old 02-10-2012, 04:37 PM   #23
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Left blade circular saws


Quote:
Originally Posted by woodworkbykirk

??????
the only way for a circ saw to cut on the downstroke is if you are going backwards..... as the blade cuts up from below at the front of the saw.. believe it or not this is a question that is asked on the national exam for a carpenters red seal
I didn't say "on the downstroke". I said the cut moves downward.

True or false: at any given point along the cut line, the bottom of the material is the last portion to be cut?

True. The stock is being cut from top to bottom.

I would be inclined to challenge the authors of the national carpenters red seal exam.

Last edited by jlmran; 02-10-2012 at 06:21 PM.
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Old 02-10-2012, 04:48 PM   #24
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Left blade circular saws


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My DeWalt DC390 cordless has served me very well for years.

DM
That's the exact same saw I've got. I absolutely love the thing.
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Old 02-10-2012, 06:48 PM   #25
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then why is it that when your making finish grade cut on a peice of wood you put the good side down when using a circular saw.
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Old 02-10-2012, 07:03 PM   #26
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Left blade circular saws


Quote:
Originally Posted by jlmran View Post
I didn't say "on the downstroke". I said the cut moves downward.

True or false: at any given point along the cut line, the bottom of the material is the last portion to be cut?
The blades tooth still makes the cut from the bottom of the material upwards.

The fact that the blade is circular has no bearing upon whether it cuts on the upstroke or not. The fact that it rotates from bottom to top does.

If you want to get technical, the cut does not move from top to bottom or vice-versa, it moves forward from the beginning of the cut to the end.
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Old 02-10-2012, 07:09 PM   #27
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Left blade circular saws


Quote:
Originally Posted by woodworkbykirk
then why is it that when your making finish grade cut on a peice of wood you put the good side down when using a circular saw.
Because the teeth are moving upward...as you and I both originally stated. This moves the splinters into the stock, if you will. It's just that the top surface of the stock gets cut before the bottom surface, so the entire cut along the stock moves from top to bottom.
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Old 02-10-2012, 07:15 PM   #28
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Left blade circular saws


Quote:
Originally Posted by loneframer
The blades tooth still makes the cut from the bottom of the material upwards.

The fact that the blade is circular has no bearing upon whether it cuts on the upstroke or not. The fact that it rotates from bottom to top does.

If you want to get technical, the cut does not move from top to bottom or vice-versa, it moves forward from the beginning of the cut to the end.
Ehhh, not really.

1. Any given tooth will contact the highest level of available stock in its path.

2. The circular shape has EVERYTHING to do with this phenomenon. Remember, the foot on a normal saw can't be higher than the center of the blade.

3. The cut only moves forward if you push the saw forward. I'm discussing the vertical components...which in fact are derived when one pushes (or pulls) the saw.

Last edited by jlmran; 02-10-2012 at 08:17 PM.
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Old 02-10-2012, 07:18 PM   #29
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Left blade circular saws


Draw a vertical line on the end of a board. Then look at it and imagine a circular saw cutting through the board.

How does the line get cut? Top down or bottom up?
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Old 02-11-2012, 04:13 AM   #30
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Left blade circular saws


I'm with jimran on this. If you take away the saw in the middle of a cut it is clear that the bottom side of the material is the last to be cut.

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