So you need the kerf of the blade to be just outside the line so that you get a correctly sized 2x2 piece even after the kerf loss. Kerf loss is the wood that is lost during the cutting and that increases with an increase in blade thickness. The blade should be placed outside the line.ĭepending on the thickness (kerf) of your blade, you will experience some kerf loss. Next, you need to set the rip fence such that the blade of the circular saw sits just outside the line you marked on the 2x4.
If you need another size and not a 2x2, then adjust the ripping width accordingly, the rest of the process remains the same. Make sure the line is marked at the end of the 2x4, at the point from which you'll start the ripping. Measure the mid-point of the 2x4 using a tape and mark it on the 2x4 using a pencil or pen. To get a 2x2 from the 2x4, you need to set the width of ripping at the exact midpoint of the 2x4. The most common requirement is to make a 2x2 from 2x4, so I'll talk about that. Once you are done setting the blade height, lock the blade in place on the circular saw. The blade of the circular saw should touch the sacrificial sheet Set the circular saw on the 2x4 and check the blade height visually to set it. What you want is the blade to be deep enough to make a through cut (in the 2x4) while also slightly grazing the sacrificial sheet. This means a height of slightly more than 1.5".
The blade height needs to be set such that it should touch the sacrificial sheet under it. Next, set the blade height on the circular saw. Now that the 2x4 is clamped in position, you need to prepare the circular saw for cutting. Clamping the 2x4 down with quick grip clamps Quick grip clamps are excellent for this purpose. Now you need to clamp the 2x4 on your work table at the one end of the 2x4 and at the middle of the 2x4. 2x4 on top of the sacrificial sheet of plywood Place the sacrificial sheet on your work table and place the 2x4 on top. What you need is a sacrificial sheet of plywood or MDF that you can put under the 2x4. The first step is to set the 2x4 firmly in place. In this section, I'll show you how to use a circular saw for ripping a 2x4 in a step-by-step manner. Step-by-Step Guide to Ripping a 2x4 with a Circular Saw Sacrificial sheet (plywood, MDF or similar).
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