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Powermatic 1285 jointer 3Hp 3Ph 230V/460V is a heavy-duty jointer from Powermatic Tools designed for serious woodworking in the jointer/planer class. The large 12 inch by 84 inch precision-ground cast iron table surface supports long and wide stock during face-jointing and edge-jointing, which helps keep workpieces stable through the full cut. The parallelogram design keeps the tables close to the cutterhead across the travel, so depth-of-cut adjustments are fast and consistent. A helical cutterhead with 42 two-sided knife inserts shapes the cut, reducing operational noise at the head while creating an even cutting pattern across the width. The two-sided inserts allow rotation instead of traditional knife setting, which shortens downtime when changing edges. Table lips on both sides of the cutterhead contribute to noise reduction at the cut, which matters during extended sessions. A full-size rabbeting ledge handles rabbets up to 3/4 inch deep for joinery tasks.
The 3Hp, 3-phase, 230/460V motor specification places this Powermatic Tools jointer in a shop-grade power range, matching installations wired for 3-phase service. The rack-and-pinion adjustable cast iron fence uses controlled mechanical travel, so fence moves occur with guided motion rather than free sliding, which supports repeatable alignment at various bevel or square settings. The parallelogram table arrangement positions the infeed and outfeed tables on pivoting links, allowing depth-of-cut adjustments to happen by moving the tables in a controlled arc relative to the cutterhead, which preserves the relationship between the tables and the cutting circle. Table lips on both sides of the cutterhead form continuous edges around the head opening, helping direct chips away from the operator side of the tables while contributing to a quieter operating zone around the cut.
This Powermatic 1285 jointer with its 12 inch by 84 inch precision-ground cast iron table surface fits woodworking environments that process larger or longer boards where full-table support is important for straightening and flattening. The heavy table span gives stock more bearing surface across infeed and outfeed, which helps maintain a consistent reference during face-jointing thicker material or longer pieces. The full-size rabbeting ledge for rabbets up to 3/4 inch deep positions the machine for joinery operations such as shoulders and step cuts, so rabbets can be formed on the same reference surface used for prior jointing passes. The jointer belongs in shops using machinery from the jointers/planers class, where heavy cast iron tables and stable fences support dimensioning tasks ahead of planing or assembly.
The rack-and-pinion adjustable cast iron fence assembly on this Powermatic Tools jointer allows the fence to travel without play, which supports holding 90-degree and bevel settings consistently over multiple passes. This repeatability matters when jointing mating edges that must align closely during glue-up. The helical cutterhead with 42 two-sided knife inserts creates a segmented cutting pattern that spreads the cut across many small edges, which reduces cutting noise and moderates the impact of any single insert on the surface, contributing to smoother-feeling jointed faces. Being two-sided, each insert can be rotated, which keeps the cutting circle geometry consistent from change to change because the insert seats to the same pocket. The parallelogram design keeps the tables close to the cutterhead throughout their travel, so when depth-of-cut is adjusted, the support surfaces remain near the cutting arc, which aids in controlling snipe at entry and exit. Table lips on both table edges adjacent to the cutterhead create a more continuous opening profile, which helps moderate sound from the cutting area while supporting the workpiece as it transitions across the cutterhead zone.
The Powermatic 1285 jointer uses a 3Hp, 3-phase, 230/460V configuration, placing it in a shop-grade power range suitable for woodworking machinery installations requiring 3-phase service.
The helical cutterhead with 42 two-sided knife inserts reduces cutting noise and shifts maintenance to rotating inserts, which maintains consistent cutterhead geometry between insert rotations.
This Powermatic Tools jointer provides a large 12 inch by 84 inch precision-ground cast iron table surface, which supports longer and wider boards during jointing operations.
The rack-and-pinion adjustable cast iron fence assembly positions the fence without play, supporting smooth, controlled adjustments that help keep jointed edges square or at set bevels.
The parallelogram design keeps the tables close to the cutterhead while allowing fast depth-of-cut changes, helping preserve cutting geometry and supporting repeatable jointing results.
The Powermatic 1285 jointer uses a full-size rabbeting ledge that supports rabbets up to 3/4 inch deep, allowing dedicated rabbeting passes for joinery on thicker stock.
The Powermatic 1285 jointer 3Hp 3Ph 230V/460V combines a 12 inch by 84 inch precision-ground cast iron table surface, helical cutterhead with 42 two-sided knife inserts, and a rack-and-pinion adjustable cast iron fence assembly to support demanding jointing and rabbeting tasks. The parallelogram table design and full-size rabbeting ledge for rabbets up to 3/4 inch deep place it solidly in the jointers/planers class for serious woodworking workflows. For shops needing a machine that supports longer stock, segmented cutting, and controlled fence movement, this Powermatic Tools jointer offers a feature set aimed at repeatable, shop-grade results.
Sold In: 1 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Set |  JP6400013 Mfr# PM9-6400013 | Powermatic Inserts for 1285 and PJ1696 30mm X 12mm X 1.5mm, SET/10 |