35 - Revolving Tool Station, страница 28
FIXED PLATFORM SHORT CLEAT ^ FIXED ® BASE J This frame and panel jig solves both problems, see photo above. To keep the door square, it's tucked into a 90° "corner pocket." And to ensure that it stays flat, two cams apply pres- Gluing up a frame and panel door with this jig is a snap. With two cams applying pressure, the jig squares up the door and keeps it flat. sure that's centered on the thick-, ness of the frame, see inset photo.! Design Note: This jig is designed for doors with ^/V'-thick frames. It can handle doors up to 24" wide and 36" long. base. I began by making a large base (A) for the jig. It provides a foundation for two platforms — one fixed and the other adjustable, see drawing. In addition, the base serves as a track for the cams and a pair of runners that guide the adjustable platform. These runners fit in dadoes in the base and adjustable platform. To get the runners to slide smoothly without binding, it's important for these dadoes to align. So I started with a large blank of 34" MDF and cut the dadoes at the same time, see Fig. 1. Note: The blank is large enough for the base and both platforms. groove. After cutting the base to size, the next step is to cut a wide groove near one edge, seej Figs. 1 and la. This groove guides the mounting blocks for the cams that are added later. #& x VA" Fh SHEET ADJUSTABLE PLATFORM BASE NOTE: BASE, PLATFORMS, AND RUNNERS ARE 3/4" MDF Gluing up a frame and panel door can be a challenge. Even if the frame pieces that surround the panel fit nice and tight, sometimes it's still hard to get the door perfectly square and flat. 28 ShopNotes No. 35 |
