Cabinet
What distinguishes a cabinet from generic furniture in CNC manufacturing?
A cabinet is a modular casework unit with standardized joinery, hardware locations, and sheet-based construction designed for repeatable CNC fabrication and assembly. Unlike one-off furniture, cabinet parts share consistent dados, rabbets, hinge bores, shelf-pin grids, and labeling that allow multiple units to be nested, cut, and assembled with machine repeatability.
What operations does a cabinet CNC router commonly perform?
A cabinet router typically cuts, routes, drills, grooves, slots, and nests parts from sheet stock. It also produces outside profiles, dadoes, rabbets, shelf-pin holes, hinge cup bores, and part labels, and some systems add automatic feed and unload handling.
Why are compression bits common in cabinet work?
Compression bits reduce tear-out on both faces of sheet stock, which matters because cabinet parts often have exposed edges and visible finished surfaces. They produce clean top and bottom edges in plywood, melamine, and chipboard, reducing edge repair and rework.
In CNC millwork, a cabinet is a framed or frameless casework unit built from sheet goods or solid wood, comprising sides, top, bottom, back, shelves, doors, drawers, and machined joinery such as dados, rabbets, hinge bores, and shelf-pin grids. Cabinet parts are designed in CAD/CAM, nested on sheet stock, and cut, drilled, grooved, and labeled for repeatable assembly.
On a CNC cell, a cabinet is treated as a complete part set generated in design software and exported to CAM. The programmer nests those components onto plywood, MDF, melamine, or chipboard, then the router runs automated passes that produce outside profiling, dado and rabbet cutting, shelf-pin drilling, hinge-cup boring, groove machining, and part labeling. Because every cut comes from the same CAD data, the parts align without hand layout or manual scribing. In the assembly bay, workers sequence the casework and rely on accurate joinery to keep carcases square, reveals consistent, and door and drawer fit predictable. Material thickness compensation and hardware selection are set before nesting, since yield, cycle time, and assembly correctness all depend on those choices. The result is a flat-panel furniture unit that goes from sheet stock to labeled, ready-to-assemble components with repeatable machine accuracy rather than bench-level guesswork.
Misfit Doors and Bad Reveals: When CAM assumes nominal 3/4-inch stock but the actual sheet is undersized, dado depths, hinge locations, and cabinet widths drift, forcing doors out of square and creating assembly stress.
Tear-out on Exposed Edges: The wrong cutter or feed and speed strategy on plywood or melamine chips the top and bottom faces, leaving visible edge damage that ruins cabinet parts and forces rework or edge-band repair.
Swapped Sides and Incorrect Orientation: Nesting without allowance for grain direction, tool diameter, tab strategy, or part ID labeling lets left and right sides get mixed up, delaying assembly and producing wrong cabinet orientation in the field.