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What I have learned

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Blog entry by mrg posted 11-07-2010 04:20 PM 789 reads 0 times favorited 2 comments Add to Favorites Watch

I few days ago I started to make a cutting board. While cutting the materials for said cutting board I had found that while cross cutting my pieces that they would cut fine and then scrape the back of the blade. Check blade to miter and exactly the same front and back. OK change my reference point for bottom and side against my incra miter gauge. Ok cuts a straight cut. Wait not so fast. Readjust miter gauge, get rid of play in miter slot, resquare the fence to tab and off to the races.

Glue up and have some issues, figure I will do a down and dirty trim of top and bottom sections with tendon jig. This is not working so good, have a ridge that shows up in different points. What is going on? Check the saw over again blade is not stoping at 90 it is like 88 degrees. Adjust the stops for 90 and 45. A bit better. Check the tenon jig and has a bit of play, not tailing much so I thought. I adjust the allen screws on the rail for the miter and off we go.

Moral of this is if one thing is off by a 100th it will only resonate thru out the project.

Making the planters that i posted I never noticed that the saw was off, they came out looking real good. Working with close tolerances showed me how far off the saw was.

-- mrg



2 comments so far

View robert triplett's profile

robert triplett

1481 posts in 1770 days


#1 posted 11-07-2010 06:52 PM

I have found that i can never trust the indicators on my saw. I use set up gauges for angles and other adjustments. I use a featherboard to keep the wood from moving during the last part of a rip. But, sometimes I have to use some glue and sawdust to fix something, or, cut off the end of a cutting board. It does take a lot of attention to make accurate cuts and to keep safe. You are right that the more complicated or involved the project, the more little errors show up.
Robert

-- Robert, so much inspiration here, and so little time!

View DrAllred's profile

DrAllred

137 posts in 1488 days


#2 posted 11-07-2010 08:54 PM

I have found that when I was making outdoor furniture, the tolerances were not needed, so I just went and worked thing out. Now that I am making bookmarks for gifts, I noticed that my band saw was not cutting right. After a 2 hour tune up on the band saw it cuts much better, or at least straight. I am using the guide that came with the saw, too much play, so now I am working on building a re-saw fence and other hand made accessories for it.

Next on my list is the Table saw and drill press and planer and drum sander. Wow, I have my work cut out for me. Maybe I will need to buy a Dial gauge some day.

But, all said and done, I know that if you want great cuts, spend time to fine tune your tools, that includes hand tools.

A few 1000ths do mean a OK fit to a Great fit for joinery.

-- David, Mesa Arizona

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