85 - Router Table, страница 12
& Hardware precisionMiter I Add these miter bars to your own jigs and adjust them for a perfect fit. In the past when I made jigs for the shop, like the miter sled on page 34, I used to make my own miter bars (see box on the opposite page). But it was hard to get that perfect fit in the miter slot. Sometimes they were too tight and at other times, they were too loose. So I was looking for something a little better. After-market miter bars proved to be the answer. I looked at four different miter bars from Kreg, Incra, Rockier, and Woodhaven (see Sources on page 51). As you can see in the photos, they're all a little different. ▲ Rockier. Spring-loaded ^ ball plungers automatically adjust to fit the miter slot. ▲ Kreg. Use an Allen wrench to turn the nylon set screws in or out to fine-tune the fit in your miter slot. A miter bar needs to slide easily in the miter slot. But, if it's too loose, your jig won't be very accurate. And if it's too tight, it's hard to use. You're looking for just the right "feel" where it's snug but slides with little effort. To start with, you'll find that these miter bars are slightly undersized for a 3/t" miter slot. That's so you can adjust them to fit snugly in your saw using one of the following methods for adjustment. ▲ Woodhaven. A small screw- A Incra. A unique wedge system Set Screws. Kreg and Woodhaven driver is all that's needed to adjust flexes the sides of the miter bar as use nylon set screws as shown in the nylon set screws. you adjust it from the top. 12 ShopNotes No. 85 |
