The new TR160, TR210 and TR310 dual-axis trunnion rotary tables are said to put five-axis capabilities within reach of the average job shop. According to the company, these simple bolt-on solutions for machining complex parts can turn almost any three-axis mill into a five-axis workhorse at a fraction of the cost of a five-axis machining center. They are useful for such industries as model making, tool and die, and aerospace, where complex shapes, multi-sided machining and five-axis work are the norm.
Available in three sizes (160 mm, 210 mm and 310 mm platters) to fit almost any work envelope, the dual-axis trunnions bolt directly to the table of a three-axis VMC to provide five-axis motion or position parts to nearly any angle for multi-sided machining. They can be removed when not needed.
All three trunnion tables are driven by powerful brushless servomotors on both axes and provide ±120 degrees of tilt on the A axis and a full 360 degrees of rotation on the B axis. Each features a precision-ground platter of heat-treated 4140 alloy steel, with six standard T-slots (0.625") equally spaced at 60 degrees for easy fixturing. Three servo control configurations are available, making the tables easy to interface to almost any machine.
The smallest of the series, the TR160, features a compact footprint of just 39" × 14" and has a maximum part capacity of 80 lbs and a maximum part swing of 17.5". The TR210 features a 200-lb capacity and 23.5" swing, and the TR310 handles parts up to 500 lbs and has a 31" swing. Platter speeds for the three models are 80 degres/second, 60 degrees/second and 50 degrees/second, respectively.
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