EXSYS Tool Inc. (San Antonio, FL), the exclusive North America supplier of Swiss-manufactured ultra-high precision rotary tables from Peter Lehmann AG (pL Lehmann; Bärau, Switzerland), offers a space-saving 5-axis rotary table TAP for small, high speed vertical machining centers. This table TAP allows users to upgrade a vertical machining center to significantly increase productivity without incurring the expense of a new machine. In conjunction with the right machine, the 5AX rotary table TAP creates a very compact and economical 5-axis machining center for small and medium-sized workpieces up to a cube of approximately 5.9 in (150 mm) that is well suited for medical device machining, as well as automotive suppliers, the watch/clock and precision mechanical parts industries, and even contract manufacturing.
The 5AX rotary table TAP expands the pL Lehmann 500 series of modular multi-axis rotary tables from four basic models to five. Adaptable to nearly any workpiece or production situation, 500 series tables can be assembled into as many as 240 different configurations. More than 20 different clamping methods and behind-the-spindle accessories that include rotary unions, special clamping cylinders and angular position measuring systems further extend the system’s adaptability. Compact pL Lehmann tables consume a minimum of space in the machine work envelope, facilitating optimal tool access to the workpiece. Despite their space-efficient dimensions, the tables and spindles offer strong resistance to pull-out torque and axial force while providing high levels of clamping torque. Engineered for low power consumption and light weight, the tables feature IP67 rated enclosures.
The series includes both single-spindle and multi-spindle tables that are available in 4-axis and 4/5-axis versions. Swiveling bridge-style 4-axis tables employ a roto-FIX clamping yoke for the machining of multiple parts. The tables’ backlash-free preloaded gear drives (PGD) provide both high torque and high rotation speeds, with spindles capable of 47 rpm to 111 rpm and cycle times for 90 deg of 0.34 sec. The 5-axis tables operate in simultaneous machining or productivity-enhancing 3+2 positioning modes.
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