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takeguy 05-08-2019 04:37 PM

crosscut help
 
I have 3 boards that are 93in long, 7.5in wide, 1in thick. I need to crosscut 1/2in to make the boards fit into the space needed.

First I tried a hand saw. I guess I can go back to that but I didn't make much progress.

Then I was going to use a jigsaw, but the guide plate is wider than the amount I need to cut, so I can't use that right? the edge has no wood to sit on...

Then I was going to use a miter saw but the 10in blade isn't going to cut the 7.5 in wide board. Can I do half the cut, and then flip the board over and do the other half?

Or is there something else I should try? (Note, I paid someone to do this project and he has been MIA for months. So now I am trying the DIY method, and don't want to invest more $$ in tools for a one time project). thanks.

Packard 05-08-2019 04:55 PM

Use any method to cut it close to size. Then clamp or nail on a guide and use a pattern bit in your router to trim about 3/4" deep.

Then flip over the board and use the same patttern bit to trim the balance using the already trimmed area as a guide.

https://images-na.ssl-images-amazon....1ZuITzbiPL.jpg

Steve Neul 05-08-2019 05:00 PM

1 Attachment(s)
I made this simple jig to make crosscuts with a hand held circular saw. It takes a bit if tinkering to get one made perfectly square but it will make crosscuts more accurate than anything you could use. The jig doesn't even have to be clamped to what you are cutting.

woodnthings 05-08-2019 07:46 PM

There are several techniques ......
 
Quote:

Originally Posted by takeguy (Post 2054233)
I have 3 boards that are 93in long, 7.5in wide, 1in thick. I need to crosscut 1/2in to make the boards fit into the space needed.

First I tried a hand saw. I guess I can go back to that but I didn't make much progress.

Then I was going to use a jigsaw, but the guide plate is wider than the amount I need to cut, so I can't use that right? the edge has no wood to sit on...

Then I was going to use a miter saw but the 10in blade isn't going to cut the 7.5 in wide board. Can I do half the cut, and then flip the board over and do the other half?

Or is there something else I should try? (Note, I paid someone to do this project and he has been MIA for months. So now I am trying the DIY method, and don't want to invest more $$ in tools for a one time project). thanks.


Your 10" miter saw should cut almost all the way through .....?
Do what you can and finish with the hand saw.



OR do what you can and finish with the jig saw, BUT support the base with a short scrap of equal thickness, leaving a 1/4" gap.



OR

Make the cut as always and raise the close edge of the board up into the blade to finish the cut. I do this frequently when the width is a bit too much. It will be safe enough for the small amount you need to remove.



OR

BernieL 05-09-2019 12:11 AM

Good advise above... Another option is too reverse your jigsaw guide as if your cutting off 92+1/2 inch off rather then the 1/2 inch. If you don't like my answer or the above ones - hang in there and someone will post yet another solution. The best thing about these forums is learning different methods of doing a job because sometimes, that different method is better then yours.

FrankC 05-09-2019 01:19 AM

You are right, you can use your miter saw, make the cut as far through the board as you can, probably about 5 1/2", flip the board over and line the blade up with the kerf and finish the cut.

Tool Agnostic 05-09-2019 01:35 AM

I know you don't want to buy another tool, but now is the time to do it.

For making crosscuts on a long board, I use and recommend an ordinary circular saw. I clamp a straight scrap board across the board to be cut, square it and line it up. I use the board to guide the circular saw, by pressing the side of the saw's baseplate against the edge of the board. Arrange the guide board and orient the saw so that they have the maximum support from the board being cut.

You can do the same thing with the jigsaw in theory, but the cut won't be very clean. A circular saw will give you a neat, straight, square cut.

If you do not own a circular saw, borrow one from your neighbor or buy one for under $50. Harbor Freight sells one for less than $30. That is $10 per cut, and you get to keep the saw. You will find lots of future uses for a circular saw, too. For the crosscuts, you will also need two clamps and a straight board.

nek.93 05-09-2019 07:27 AM

Or just start your cut with circular saw then when you get your saw positioned right slide a 12 speed square up against saw base plate and hold it tight and finish cut, but hafta make sure your blade runs parallel with base plate.


Sent from my iPhone using Tapatalk

FrankC 05-09-2019 01:36 PM

Practice, practice, practice, you mentioned three saws that are available, any one of them would do the job in the right hands. Just take your time, get comfortable and follow along the line.


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