Veneered panels are made from layers of veneers, with the grain running in alternating directions, each 90 degrees from the previous layer.
Reconstituted panels include all engineered panels which use chips, sawdust or particles of wood fibers. Sawing panels is very risky and requires an appropriate circular saw blade since many of sheets have plastic veneers, like laminate, while the others like chip-prone plywood floorings demand a perfect precision. Alternate top bevel (ATB) ground blades, which were developed for crosscutting, are generally good saw blades for cutting sheet goods. If a HiATB blade is mounted on the circular saw, it will leave the smoothest cut for softer woods, but harder sheet materials like melamine, MDF and hardboards, or any other dense material can wear-out the saw blade teeth easily.
Another tooth style which has been developed specifically for dealing with sheet goods is the “hollow ground tooth.” This is the most common category of circular blades used for composite materials and sheets.
Some circular saw blades, which are designed for use with hardwood plywood, are thin-kerf blades. Most blades which are specially designed for use with these sheet goods will have a slight negative tooth hook angle, of -3° to -6 degrees. Laminate floorings and plywood should be cut with circular saw blades made of stainless steel, or even better, HSS (high speed steel) coated with tungsten or C4 micro grain carbide. Sheet goods most commonly come in 4’ x 8’ sheets, although other sizes are available from specialty lumberyards. When cutting sheet goods which have very thin veneer coatings, such as luan, chipping and splitting can be reduced by first scoring the cut line through the outer veneer coating with a sharp utility knife and a straight edge. Finally, when selecting a circular saw blade for use in cutting sheet goods, pay attention to the manufacturer’s recommendations on the blade package.
A few information using saw blades now.The Teeth should Project from the piece equally to the Height of the tooth. Now i am not going to talk about (speed and feeding) 2 also very important factors, because i leave this to your sense filling.
Circular saw blades used for sheet goods are applied for cutting a wide variety of wooden materials. While the number of layers of veneer and the type of wood used for the veneer may vary, all layers of the panel will be made of veneers. These are pressed together and heated, adhered with a glue or resin to compose a material, forming them into sheets. It is common for blade manufacturers to use a combination of different type of teeth on a circular saw blade designed for cutting sheet goods. For rough cuts, even a planer blade with specific, so-called ATBR tooth pattern can be used. Hollow ground teeth present a sharer edge at both the top and sides of the tooth (sharper than 90 degrees), slicing the material more than chopping through it. This is primarily done to reduce materials waste, due to the high cost of these hardwood plywoods.

This reduces the feed rate and simultaneously the aggressiveness of the cut, showing the blade’s travel through the material and helping the woodworker maintain better control over the cut. Sheets as wide as five feet and as long as twelve feet are manufactured, but due to their rarity, typically cost more.
The cut can then be made immediately adjacent to the scored line, totally eliminating any splintering on that side.
Although all these blades are similar in design and manufacture, there are slight differences and they cannot be put under the single category as the shops classified them.
Although there are several types of circular saw blades designed for dealing with these materials, some which work better with some sheet goods and others which are preferable to other sheet goods, they all have certain design characteristics in common.
The alternately ground teeth score the surface veneer of the panel, before cutting it, reducing the chance for splintering. This blade has a standard ATB configuration with small but consequential modification: every fifth tooth is a flat raking tooth.
If you choose to use a thin-kerf blade, please keep in mind that these blades are more susceptible to flexing than standard blades.
Laser cut slot begins in the gullet, finishing at the middle of the blade plate towards the arbor. Table saws or hand-held circular saws are generally better for cutting sheet goods than radial arm saws are.
The thickness of a veneer is less than 0.118? or 3mm, and adhesive type depends on the type of use.
The vast majority of these sheet goods use some sort of an outer veneer layer, which can be highly susceptible to chipping, especially when crosscutting to the grain of the veneer. Carbide coated teeth provide professional quality, excellent performance and long-term sharpness.
Unless the pieces are pre-cut to approximate dimensions on a table saw or with a hand-held circular saw, they are normally too large to fit into a radial arm saw. By selecting a sheet goods saw blade which best matches your material choice, you will receive the best possible cut and superior performance. Laminated materials used for floorings or kitchen countertops consist of layers of paper or cardboard, high-pressured and adhered with resin glue.
Creating the cleanest cut is possible only if the best saw blade for the sheet you are working with is chosen. The rougher finish just won’t look nice on boards prone to chipping like laminate or plywood. If the panel being cut twists slightly as it is being cut, the blade will probably follow, damaging the panel and possibly even damaging the blade. Beside the selection of the right type of blade, there are some other precautions which the woodworker should make, in order to avoid damages of sheet.
When cutting, always remember that the side having an advantage when looking at the overall finish should face the saw blade.

These engineered products can be divided into two main categories: veneered and reconstituted panels. Otherwise the circular saw could chip valuable plywood or double-sided laminate, which can represent a huge expense.
A modification of this design, HiATB blades, increases the angle of the top bevel (hence the prefix “Hi” in the name) increasing the amount of scoring which is accomplished by the blade and creating a cleaner cutoff. Trapeze tooth is designed with the corners relieved to make the smooth, chip-less finish, allowing the FTG tooth to cut out the sides of the kerf, dealing only with the points of the cut. This can be useful when cutting the plywood with thin veneers glued in the plies, since saw blade melts the glue connecting the layers of plywood. The lower the moisture content of the sheet goods panels, the greater the probability of chipping and splintering when sawing.
It’s a regular ATB circular saw blade with higher bevels angle, up to 38°, as the only difference. Industrial TCG saw blades are too abrasive and not recommended for softwoods because they chip the wood very likely. Permitting an excessive amount of saw blade to extend through the sheet increases the chance of the sides of teeth catching in the sides of the kerf, causing splintering. This also increases on panels where the exterior veneer is extremely thin, such as luan plywood. These blades have been specifically designed for cutting engineered wood panels, with the intent of reducing the amount of splintering. It is essentially to keep the sheet as straight as possible during the cut, avoiding it twisting and the sides of the blade scoring the sides of the kerf.
This will eliminate the possibility of scoring or marking the face side on the panel on the saw’s table. Although mentioned sheet goods look so different, saw blades used to cut them have similar properties, considering the parameters such as teeth type and number, hook angle, kerf and diameter. For this reason, it is always recommended to work with an assistant as the individual panels can be a bit unwieldy for a single person. It will also keep splintering of the face side to a minimum, as the greater amount of splintering will happen on the bottom side of the panel. This problem is usually increased by the inability to use a fence, due to the size of the sheet.
If the saw blade is unacceptably grinding the face or bottom veneer, try to adjust the angle under which the saw is operating.

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