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Miter Saw

5 Secrets To Better Miter Saw Cuts

Better Miter Saw Cuts

Choose the miter saw that’s best for you, then get clean, on-the-money results using these tips and techniques.

Miter saws help you do a lot more than simply cut boards to length. With one you can make clean and accurate angle cuts past 45°, making them the perfect tool for cutting miters in everything from interior trim to picture frames to structural framing. In this article you’ll learn five great secrets to making better miter saw cuts. But first, let’s look at the three types of miter saws to determine which one best suits your needs.


Conventional miter saw

This simple machine has a table that rotates past 45° left and right for basic miter cuts. Blade sizes start at 8¼” for a small, lightweight machine for cutting narrow stock. You’ll find a few huge conventional miter saws with 15″ blades, but the most common saws hold 10″ and 12″ blades—big enough for most trim, decking, and construction projects.


Compound miter saws

In addition to having a rotating table like the one on a conventional miter saw, the compound miter saw also has a pivoting head for bevel cuts. As the name implies, the saw enables you to make compound cuts with the blade simultaneously angled left or right and beveled in one direction.  Some saws have heads that pivot both ways, allowing you to make bevel cuts in either direction. Most machines accept 10″ or 12″ blades.


Sliding compound miter saws

The sliding compound miter saw is the top-of-the-line choice. It gives you all the advantages of the compound miter saw plus additional crosscut capacity because its head moves forward and back. Available for 8¼”, 10″, or 12″ blades, “sliders” are especially adept at cutting wide stock such as stair treads or 2x12s.


A handy check list for picking the right miter saw:

Size. Depending on your type of work, materials, shop size, desired portability, and budget, a saw with a 10″ or 12″ blade is probably the most practical.

Heft. If you’ll be moving the saw around your shop or to the job site, consider a lighter saw, one no larger than necessary. If it will be fairly stationary, a large, heavy saw will give you the widest range of cutting options in the future. In either case, it’s a good idea to clamp your saw to a surface at a comfortable working height.

Power. Saws with 8¼” blades need less power; usually 9 amps will suffice. Otherwise, choose a saw with a motor rated at 13 to15 amps.

Other considerations. Look for a saw with a dust-collection hook-up, blade brake, positive 0° and 45° stops, miter-table detents at your most-used cutting angles, and a work hold-down.


Secrets for making on-the-money cuts with your miter saw:

5FA031B3-32A8-4D7B-929B-BEBF92CDD477Secret #1: Use a good blade

Most miter saws come with a blade for rough-cutting 2x4s. Switch it out for a blade capable of also making splinter-free cuts in solid woods and sheet goods. Blades with high tooth counts cut cleaner but more slowly. On sliding miter saws use only blades with a negative tooth pitch angle.

Secret #2: Wait until the blade stops

A lot of damage can be done when you lift a spinning blade from the workpiece after making the cut. The blade can catch the workpiece and cause splintering. Doing so can also launch a small cutoff piece across the shop or at you. Be patient and wait until the blade stops before lifting it out of the cut

9C53AFE9-B708-4375-9237-D627CA280A04Secret #3: Extend your support

For safety and accuracy, longer workpieces should be supported beyond the ends of the saw’s table. Some miter saws have extendable supports. You can also use roller stands. Many portable miter-saw stands have built-in, extendable supports.

Secret #4: Raise the workpiece to increase capacity

If your workpiece is just a bit wider than your saw’s capacity, you can effectively increase the cutting capacity of the saw by raising the workpiece. For example, on a 10″ machine you can increase cutting-width capacity by about ½” by placing the workpiece on ¾” plywood. Be sure to use hold-downs to keep the boards in place.

stop_block_with-shadow-smallerSecret #5: Use stop blocks for repeatable cuts

To saw multiple pieces to the same length, simply clamp a scrap piece to your fence. Place one end of your workpiece against the block, make the cut, and repeat.

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2 Comments

  • Garry A Harris

    April 5, 2017 at 11:02 am

    I used stop blocks to cut miters for jewelry boxes. I had pieces the exact length I wanted and could repeat the cut. Also, better cuts are made if you clamp the wood in place.

    Reply
    • Acme Tools

      April 5, 2017 at 11:57 am

      Hi Garry, Thank you for your comment. Great idea to use stop blocks for repetitive cuts and the clamp to hold your material still. It is alway best to have the material clamped in when possible. It will give you a better cut and your hands can be further away from the blade.

      Thank you,
      Acme Tools

      Reply

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