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How can you tell if a plywood is factory edge?
If the diagonal measures 5′ at the 3′ mark of a 4′ wide sheet of plywood, then the corner is square. Just remember: Not all plywood is exactly 4′ wide. A string or a chalkline makes a ready reference for checking the straightness of a sheet of plywood.
What is the factory edge of plywood?
FACTORY EDGE – One reason is the “factory edge” of the plywood. You can usually count on this edge to be straight and true. But it often gets dented or nicked. So I usually trim just a bit of the edge off.
What is a factory edge?
A factory edge is the edge of a manufactured material that was fabricated at the factory.
Can you edge joint plywood?
For this method, edge glue the plywood together, create a shallow bevel along the joint on both sides of the plywood and then reinforce the joint with a layer or two of fiberglass on each side of the joint. After the application of the fiberglass, the bevel should be filled flush with the surface of the plywood.
What edge angle does Spyderco use?
Spyderco aims for 30 degrees inclusive to make touching up easy at 40 on the sharpmaker. All are sharpened by hand so it may not be perfect every time.
What angle should I sharpen my paramilitary 2?
It came sharpened at the usual 15 degrees per side from Spyderco.
How to make a straight edge Guide Board for plywood?
Mark the factory edge of your plywood. This edge will serve as the master straight edge. Measure in 3” (or how ever wide you decided to make your straight edge guide board) and mark it at both ends, and maybe even in the middle, if you are creating a long straight edge.
Are there any factory edges that are straight?
If not damaged, factory edges of plywood sheets are straight and square enough for most practical purposes. In fact it’s common to use one of the factory edges as a straight reference when building a jig or tool guide. It depends. For the most part yes they are ‘straight’.
Is it safe to cut factory edges of plywood?
Just remember: Not all plywood is exactly 4′ wide. A string or a chalkline makes a ready reference for checking the straightness of a sheet of plywood. To make shop cabinets, I’m cutting a lot of plywood. Is it safe to consider the factory edges of plywood to be straight and square, or will I need to true them up?
How can I tell if my plywood is straight?
Sight along the edge to see any curves or wobbles from the manufacturing process. This will also reveal dinged edges or delaminating areas that might not be visible straight-on. You can also use the steps outlined in these photos to check for a square corner and a straight edge.