(01-01-2019, 09:19 AM)TadMcD Wrote: The carcase is already assembled. I think I have enough room to put some cleats in there...
My current problem is finding a definitive "How To" for the NK slides/runners. Seems like a rabbet in a rounded over piece attached to the sides of the drawers is the "magic?"
I'm confused by all the discussions about a bottom "sled." Seems I'm missing something, especially as it relates to the drawer sides (positioning and/or how they "fit" into the runners).
I have the feeling I'm over complicating this.
As Fred suggested, you can use cleats attached to the sides of the opening. You can make gauge blocks to support the cleats while you attach them with screws.
With NK-style drawers, the drawer bottom has runners attached to it. In a traditional drawer with no metal runners, the drawer sides would act as the runners.
Here's a quickie sketch. I'm showing it as an inset drawer. Click on it for a larger view. The runners can be made out of a hardwood and don't have to match the drawer side material. You could even make the runners out of Delrin or other slick plastic. If you only secure the runners with screws, they can be replaced in a hundred years when they've worn out. The runners are rabbeted to receive the drawer bottom.
You make the bottom assembly (I suppose it could be called the sled) slightly over width and fit it into the opening before attaching the drawer box to it. The drawer box is made slightly narrower than the opening so that the sides don't touch anything and for inset drawer, the bottom edge of the drawer front is cut so it is slightly higher than the bottom face of the runners so it doesn't foul on anything.
Once the drawer bottom fits into the opening and slides nicely, attach the drawer box. The front edge of the drawer bottom extends forward of the runners by 1/4 in. or so and fits into a groove plowed into the back of the drawer front. You can either glue or screw the box to the bottom assembly. Screws make it reversible.
I didn't show any joinery for the drawer box. You can use whatever method you like. Dovetails, sliding dovetails, locked rabbets, etc.
Hopefully that clarifies it.