Tungaloy ModuMini Turn cutting headsClick image to enlarge

Tungaloy has expanded its ModuMini-Turn exchangeable-head modular turning tool system for Swiss machines.

New cutting heads are now available for turning, grooving, and threading on Swiss machines with the feed along the Y axis, which Tungaloy says can permanently eliminate chip-associated machining challenges.

The ModuMini-Turn cutting heads use the Y axis feed instead of conventional X axis motions to machine small parts more effectively while eliminating chip bird-nesting.

In a standard CNC Swiss machine configuration, the X axis moves the turning tool straight down onto the top of the barstock. During the operation, the chips flow over the barstock periphery and down to the basin. This traditional approach often results in chip entanglements, known as bird-nests, on the workpiece or chip clogging between the tool and workpiece creating poor part quality and scrap piles.

ModuMini-Turn cutting heads enter the cut sideways, in the Y axis direction, into the barstock. This allows the insert to be set with the chipbreaker on the insert rake facing downward, directing the chips, aided also by gravity, downward and away from the cutting point, helping to prevent bird-nesting and ensure good surface finishes.

In addition, ModuMini-Turn’s downfacing insert arrangement allows the brunt of the cutting force to be absorbed in the longitudinal direction, in which the tool is the strongest, enabling higher feed rates, secured process, and better part quality.

The cutting heads come in a smaller and more compact head design compared with similar tools on the market, allowing another Y axis cutting tool to be located side by side on the same gang tool slide. Barstock size can vary depending on the tool’s position on the slide as well as the difference in overhang from a conventional X axis tool

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