cut small piece off door - Woodworking Talk - Woodworkers Forum
 
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post #1 of 10 Old 08-29-2015, 09:13 PM Thread Starter
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cut small piece off door

Often when there are changes in the level of flooring one has to trim the bottom of a door. I have a basic Black and Decker circular hand saw 7 1/4" blade. I do not know the type of blade I need to select for this job. The door is hollow except for the bottom 3". I wonder if someone could give me a recommendation and provide a link so I can look at the blade.

Thank you,

Angus
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post #2 of 10 Old 08-29-2015, 09:17 PM
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A general construction blade will work fine. Make sure and put some blue tape or similar on the door to minimize tear out and keep from scratching the door as you run your saw across it.

This is a pretty simple task so don't get too overwhelmed at responses.
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post #3 of 10 Old 08-29-2015, 09:19 PM
where's my table saw?
 
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the blade should have 40 teeth IF...

The best cut with the least tearout will be with a 40 tooth blade. A 16 tooth or 24 tooth construction type blade, will leave a ragged cut. It will also help to tape the cut with painters tape to reduce tearout. Use a straight edge guide, but have the greatest portion of the saw base under the motor resting on the door, NOT the portion closest to the blade. This will give you the best support and the least chance for it to change course mid-cut.

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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post #4 of 10 Old 08-29-2015, 10:03 PM
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If only a minimal amount of wood needs to be removed I'd use a belt sander.
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post #5 of 10 Old 08-29-2015, 11:04 PM
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It's best to use a plywood blade to cut a door however if you don't want to buy a blade just to make one cut a general use blade can be used. You just take a utility knife and a straight edge and cut through the outer layer of veneer and it will cut fine.
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post #6 of 10 Old 08-30-2015, 07:59 AM Thread Starter
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woodnthings: Thank you understand your point about the weight distribution of the saw. But you mention 40 teeth blade.......does that mean 40 teeth for one quarter of the circumference of the saw?
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post #7 of 10 Old 08-30-2015, 08:03 AM Thread Starter
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Dear Steve; please can you describe a plywood blade? what differentiates a plywood blade from the others.
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post #8 of 10 Old 08-30-2015, 09:15 AM
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Quote:
Originally Posted by angusmdmclean View Post
Dear Steve; please can you describe a plywood blade? what differentiates a plywood blade from the others.
A plywood blade has 100 or more teeth on it. The more teeth a blade has the better when cutting wood with veneer on it. Veneer tends to chip when cutting cross grain as you would be doing trimming the end of a door off.
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post #9 of 10 Old 08-30-2015, 09:16 AM
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Have a look at the Fein multi master video. With this may be able to trim without taking the door off.
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post #10 of 10 Old 08-30-2015, 09:26 AM
where's my table saw?
 
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Nope

Quote:
Originally Posted by angusmdmclean View Post
woodnthings: Thank you understand your point about the weight distribution of the saw. But you mention 40 teeth blade.......does that mean 40 teeth for one quarter of the circumference of the saw?
A 40 tooth blade has 40 teeth. A cirular saw, is really meant for construction work where the quality of the cut doesn't matter that much. However with more folks using them for plywood and for track saw the blade quality has improved a lot. You can even get a 60 tooth blade that's 7 1/4" in diameter, if I recall. However, however, you may not want to spend $30- to $50 for just one cut with a quality carbide blade. The "plywood" blade Steve is referring to is a HSS blade, no carbide teeth and is considerably cheaper and will make a perfect cut for your application.

Here's the HSS steel version:
http://www.ebay.com/itm/Vermont-Amer...item3f5270e433

I'd probably go with this one:
http://www.ebay.com/itm/Hitachi-140-...item3f4cf90211

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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