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                筑造一座橋梁 科技連接世界
                首頁 > 產品與技術 > 精密定位平臺 > 精密轉臺 > ABRT 系列空氣軸承精密直驅轉臺

                Aerotech 的 ABRT 系列空氣軸承精密直驅轉臺提供出眾的角度定位,速度穩定性和無誤差運動性能,并且擁有令人印象深刻的有效負載能力及顯著的軸向和徑向剛性。ABRT 精密轉臺設計用于當前的 DVD 母盤制作, wafer 檢查,高精度度量衡應用, X射線衍射系統,光學檢查和加工,以及微型機電系統(MEMS)/納米技術裝置的制造裝配等應用。
                   ★ 臺面直徑:100-200 mm
                   ★ 分辨率:0.055-0.027 arc sec
                   ★ 雙向重復性: <1 arc sec

                 
                zPictures/Product_424.jpg   ABRT 直驅轉臺性能指標

                Direct-drive, slotless brushless servomotor
                High torque output, direct-drive slotless, brushless servomotor
                Zero-cogging motor for outstanding velocity stability
                Outstanding error motion and wobble performance
                Direct coupled, high-accuracy rotary encoder
                Large diameter clear aperture No mechanical contact

                 

                Aerotech’s ABRT series rotary air-bearing stages provide superior angular positioning, velocity stability, and error motion performance along with impressive payload capacity and outstanding radial and axial stiffness. The ABRT is designed to meet the exacting requirements of DVD mastering, wafer inspection, high precision metrology applications, X-ray diffraction systems, optical inspection and fabrication, and MEMS/nanotechnology device fabrication.

                Superior Mechanical Design
                The ABRT design features large air-bearing surfaces and innovative preloading for high stiffness and load capacity, producing not only excellent axial and radial error motions, but outstanding tilt error motion, as well. The resultant performance is significantly better than other rotary airbearing tables and spindles, greatly benefiting applications requiring exceptional planar performance. Furthermore, this stage family provides a clear aperture that can be used for product feed-through, laser beam delivery, cable clearance, or application-specific requirements.

                Brushless Direct-Drive
                To maximize positioning performance, the ABRT series utilizes optimized versions of Aerotech’s S-series slotless, brushless motor. The motor uses an advanced magnetic circuit design to produce high torque output with minimal heat generation. The slotless design is inherently zero-cogging and torque-ripple-free. This makes ABRT stages ideal for applications requiring smooth scan velocities at low or high speeds.

                Accurate Positioning
                An optical encoder is standard with the ABRT. When coupled with Aerotech’s feedback multipliers and controls, resolutions of <0.03 arc second are achievable.

                Custom Designs
                Custom versions of the ABRT are available to satisfy rate table and high precision inertial guidance test-stand applications. Other features, such as slip rings and rotary unions, are available.

                Flexible Configurations
                Aerotech manufactures a wide range of servo amplifiers and advanced controllers to provide a complete, integrated package.

                Notes:    
                1. Maximum resolution presumes A3200 controller using MXH500 multiplication, and accounts for controller quadrature.    
                2. Maximum speed based on stage capability. Maximum application velocity may be limited by system data rate and system resolution.    
                3. Maximum loads are mutually exclusive.    
                4. All error motion specifications measured at 60 rpm.    
                5. To protect air bearing against under-pressure, an in-line pressure switch tied to the motion controller is recommended.    
                6. Air supply must be clean, dry to 00 F dew point, and filtered to 0.25 um or better. Recommend nitrogen at 99.9% purity. 

                 

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                A-CON is a motion control, positioning and automation systems integrator.

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