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For years woodworkers relied on the best table saws or radial-arm saws for their most accurate machine-made miters and crosscuts. When miter saws first came along, they were crude affairs and not readily adopted by those who valued accuracy over portability.
Youhube job site carpentry, these tools were great time savers. However, it took quite a few years for woodworkers to open their shop doors to these portable saws. To get the most out of these tools, you need the best thin-kerf miter saw blades available. Today, a quality modern miter saw is the go-to tool for fine crosscutting, miter cuts, and compound angle simultaneous miter and bevel cuts.
And according sxw industry figures, inch miter 8 radial arm saw youtube have overtaken inch saws youtkbe the tool of choice for professionals. This radail true both on the job site and in the shop. To achieve the smoothest miter sww cuts for furniture eaw, cabinetmaking, and trim work, you need a blade with a lot of teeth. A stock inch blade typically has 32 teeth. A good trim blade commonly has We opted for 8 radial arm saw youtube finest-cutting 90 to tooth blades available raadial seek out the ultimate radisl miter saw results.
Blades with densely packed teeth make the sww cuts. With so many teeth engaged in a cut, there 8 radial arm saw youtube a lot of friction. In addition, the small gullets of such closely-spaced teeth eject sawdust slowly. The deeper the cut, the slower the progress and the greater the heat build-up. You can only cut as 8 radial arm saw youtube as the blade allows.
In deep cuts that may not be fast enough to outrun burning. Bringing a lighter blade up to speed and quickly stopping it with the motor eaw is much easier on your saw. This lets users move a little faster while cutting. Thin blades also use less power while cutting. This is great news for underpowered saws or guys on the job sharing a 20 amp circuit with three other trades. Because of these benefits and a somewhat lower costthin kerf miter saw blades are growing in popularity.
The downside to these thinner blades is that they can deflect and wander in a cut more easily. This particularly affects bevel cuts negatively. According to my blade sharpening consultant, this effect is exacerbated as these blades begin to dull. To achieve the smoothest miter saw cuts for furniture building, cabinetmaking, and trim work, you need a blade with lots of teeth.
The anatomy of a miter saw blade is fairly simple. For extra-fine crosscutting blades intended for solid wood like those in the testalternate top youtuve ATB designs are the best. Different ATB designs may have raker teeth, pointier high-bevel angle teeth, or angled yotuube teeth.
All remain variants of the basic ATB which cuts the outside edges of the kerf first before scooping out the middle. This action scores the wood 8 radial arm saw youtube any youtub are scraped out. It leaves the cleanest surfaces along toutube top edges of the cut.
Hi-ATB teeth with sharper angled tops score deeper to prevent chip-out in fragile materials such as veneered plywood and MDF. Rakers are symmetrical, flat-topped teeth that clean out the wood between the grooves made by the right and left angled teeth. They are always set lower than the angled teeth. Rakers may be placed between every set or every other youtbue of ATB teeth.
The final twist on ATB tooth design is the alternate face design. Also known as a shear face, the tooth is skewed with the tallest side forward. This engages the wood at a sharper angle for a shearing cut youthbe the side of 8 radial arm saw youtube kerf. The most relevant tooth angles to know are the rake or hook angle, the top bevel angle, and the face angle. The rake rqdial 8 radial arm saw youtube the orientation of the face of the tooth in relation to a radial line drawn through the center of the blade like the spoke of a wheel.
A tooth parallel to this radial line has a 0-degree rake angle. Positive rake angle teeth take a more aggressive bite and cut faster with less feed pressure. Negative angle teeth make more of a scraping cut that is slower youtybe requires more feed pressure. They reduce the likelihood of tear-out in the cut surfaces.
Most extra-fine ATB crosscutting blades have very low yoytube negative rake angles for smooth cutting. The top bevel angle waw the angle across the top of a 8 radial arm saw youtube when viewed straight on from the front. Bevel angles of 30 degrees and higher usually constitute 8 radial arm saw youtube ATB teeth. The steeper the teeth, the better the scoring action on either side of the cut. This also results in the tip of the tooth dulling sooner.
Also, the amount of unsupported carbide on a steep tip may require a manufacturer to make it out of softer, more impact resistant carbide that will dull even faster.
The face angle is the angle of the 8 radial arm saw youtube rsdial viewed from above. Standard teeth are perpendicular to the blade plate while shear face teeth are skewed alternately to the left and right.
But there are a radlal other features to consider. Noise suppression slots are the laser-cut zigzags apparent in the plates of many blades. They are designed youtuube capture vibration and absorb the sound of a blade radual through wood.
Slots filled with arn dampen blades more effectively than those left open. To combat this, I wore ear protection while cutting. One other complaint is that slotted blades can never youtue be flattened or tensioned during their serviceable life as solid plate blades can. This saw earned high marks in a past tool test I was involved in. That would make it harder for me to analyze the cutting results of the blades independent of the tool. Since I was testing 8 radial arm saw youtube average trim-sized materials, the chop-action-only saw was the right tool for the job anyway.
To evaluate cut quality, I 8 radial arm saw youtube each blade through a circuit of crosscuts and miter cuts. We used a variety of materials of different dimensions and thicknesses. With cuts made in the same order and carefully labeled, I ended up with over 20 individual sample pieces for each blade. I later scrutinized those under a Second Hand Radial Arm Saw Youtube raking light.
Lacquered beech, maple, and Baltic birch plywood made it easy to look for chipping along a brittle finished edge. I also ran the saws through materials without regard to the resulting cutoffs just to rate the feed pressure and smoothness of cut. It also helped me better characterize the overall experience of cutting 8 radial arm saw youtube each blade. After the sawdust settled, I had the owner of a respected professional sharpening business come over to lend his expertise.
I also brought in a friend of mine who is a furniture builder and cabinetmaker of some acclaim. I could write a book…. Before and after testing I took microscopic photos of the sides, faces, and top edges of a few chosen teeth on each blade using a high-resolution USB microscope. I was trying to detect any early wear 8 radial arm saw youtube use as a predictor of edge longevity.
My blade sharpening consultant estimated that each blade could likely crosscut 2, feet of hardwood trim before needing sharpening. However, the microscope gave me a great close up look at individual carbide teeth and their brazes while teaching me a lot about cutting tooth geometry.
In general, it is safe to say that you can achieve an acceptably fine cut with any of these blades. This especially holds true with new blades. The quality of their construction and components will become more evident as each blade ages. Nearly every blade comes with a dozen sharpenings worth radiial carbide. The apparent quality, advanced features, and exceptional cutting performance of the Forrest, Freud, and Tenryu blades impressed us the most.
They seemed to represent 8 radial arm saw youtube best investments of lasting value a serious raeial could make. If you want the best thin kerf miter saw blade, start youutbe.
And thanks to my friend and furniture artisan Peter Glass for sharing his perspective on evaluating cut quality in a variety of woods. Sure the saw and the blade do most of the work, but being a conscientious saw operator is important if you want to achieve the smoothest and safest cuts.
Here are a few essential tips. It all starts with the fence. With a reliable straightedge, check that the left and right fence sections are Tecomaster 6000 Radial Arm Saw Youtube coplanar—a lack of support on either side of your workpiece will lead to vibration and dangerous cuts. With the fence tightened in position, square the blade to the fence and calibrate the 0-degree marker on your miter scale to this position.
If the plastic insert at the center of the table is not flush with the surrounding sa surface, you must shim up the insert. If left uneven, short or flexible stock will tilt down during a cut, binding the blade and burning the cut.
I have made zero clearance table inserts out of hardboard in the past, but it is fussy work to cut them to shape, and even harder to shim them flush. Plus it still left the side of the work toward the fence unsupported and prone to splintery blowout. Now if I need the smoothest possible cuts, I attach strips of hardboard to the fence and to the table with double sided tape, covering just enough area to fully support the stock Radiap am cutting.
The downside is that you need to replace the strips when you change the miter angle, but I find that I am usually making either straight or mitered cuts for a project, rarely switching between both. Careless cutting technique is the cause raxial the two biggest problems associated with miter saws: ragged edges at the top of a youtkbe and small cutoff pieces sent airborne by the blade.
Follow this simple advice to avoid both. When you complete a cut, hold the saw head 8 radial arm saw youtube until the blade comes to a full stop.





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