{"id":3158,"date":"2020-10-19T13:39:44","date_gmt":"2020-10-19T13:39:44","guid":{"rendered":"https:\/\/aerotechinc.wpengine.com\/product\/uncategorized\/apr-high-precision-mechanical-bearing-rotary-stage\/"},"modified":"2024-12-27T02:35:22","modified_gmt":"2024-12-27T07:35:22","slug":"apr-high-precision-mechanical-bearing-rotary-stage","status":"publish","type":"product","link":"https:\/\/www.aerotech.com\/product\/apr-high-precision-mechanical-bearing-rotary-stage\/","title":{"rendered":"APR High-Precision Mechanical Bearing Rotary Stage"},"content":{"rendered":"<h4>Design Features<\/h4>\n<ul>\n<li>Provides ultra-precise rotary motion with accuracy to 1.5 arc sec &amp; repeatability to 0.5 arc sec, plus outstanding geometric performance<\/li>\n<li>Achieves extremely smooth motion with brushless, cogless direct-drive motors<\/li>\n<li>Attains high speeds up to 1500 rpm, with excellent bandwidth for aggressive motion profiles<\/li>\n<li>Offers substantial load capacity to 250 kg &amp; supports loads in multiple orientations<\/li>\n<li>Provides payload security &amp; minimizes collision risk\u00a0with available holding brake &amp; limited travel options<\/li>\n<li>Configurable with high-resolution incremental or absolute encoders<\/li>\n<\/ul>\n<h4>Key Applications<\/h4>\n<p>APR stages are ideal for advanced applications that demand excellent positioning performance, highly dynamic motion with outstanding tracking accuracy, large payloads and more, including:<\/p>\n<ul>\n<li>Single-axis &amp; multi-axis electro-optic sensor testing<\/li>\n<li>Inertial navigation device qualification<\/li>\n<li>Missile seeker testing &amp; antenna testing<\/li>\n<li>Optical calibration systems<\/li>\n<li>Metrology systems<\/li>\n<li>Azimuth\/Elevation &amp; Azimuth\/Roll pointing &amp; tracking systems<\/li>\n<\/ul>\n<h4>Applications<\/h4>\n<p>The APR stages are perfect for rotary testing, pointing, optical calibration systems and metrology systems. Several more specific applications include single and multi-axis electro-optic sensor testing, resolver or optical encoder accuracy testing, missile seeker testing, antenna testing, inertial navigation device testing, photonic component alignment, high-accuracy laser machining and precision wafer inspection. Multiple APR stages can be combined for high-accuracy azimuth\/elevation or azimuth\/roll systems. Vacuum-prepared and other customized versions are also available for specialized applications.<\/p>\n<h4>Accurate Positioning with Incremental or Absolute Encoders<\/h4>\n<p>The APR provides the flexibility of using high-resolution absolute or incremental optical encoders. The absolute encoder option allows instant initialization at the time of power up and eliminates the need for a home cycle. Incremental encoders are available for a cost-effective, accurate, high resolution, high dynamic performance stage. Both incremental and absolute encoders provide exceptional accuracy and fine stepping capability. The APR stages are available with high-accuracy encoder options. In addition, calibration can be employed to further improve the accuracy of all APR stages.<\/p>\n<h4>Low Total Indicator Runout (TIR) Mounting Surfaces<\/h4>\n<p>On standard APR stages, the payload is mounted directly to the precision-ground stage shaft via an eight-bolt hole pattern on the top of the shaft. The top surface and the aperture of the shaft are precision\u2013machined for minimal surface runout with respect to stage motion. Precision-ground tabletop options provide more traditional metric or English hole-patterns while maintaining low surface runout of the tabletop mounting surface and aperture.<\/p>\n<h4>High Speed, High Bandwidth<\/h4>\n<p>Rapid acceleration and high velocity are key features of the APR stages. Customers can command rapid incremental or continuous rotary motion with the high-torque brushless motors in the APRs. Due to the direct-drive motor and the stage\u2019s high stiffness, the APR can provide high-bandwidth motion for oscillations, motion profiling and rapid position or velocity tracking.<\/p>\n<h4>Brushless Direct-Drive<\/h4>\n<p>To maximize positioning performance, the APR series utilizes Aerotech\u2019s brushless, slotless motors. Various winding options and motor stack heights are available for applications ranging from high-speed at a low input voltage or low current to high torque at a higher voltage. The motors are noncontact, so there are no brushes or gears to maintain. This allows the APR stages to provide many years of high performance operation with low cost of ownership. The motor\u2019s slotless, ironless construction features almost zero cogging (torque ripple). This makes the APR ideal for applications requiring outstanding contoured motion, smooth scan velocity and precision motion profiling.<\/p>\n<h4>High Load Capacity and Large Moment Stiffness<\/h4>\n<p>Sturdy stage construction and separated angular contact bearings result in large load capacity and high moment stiffness for the APR stages. The APRs can excel in applications where the rotation axis is parallel or perpendicular to gravity and the payload center of gravity is cantilevered away from the stage.<\/p>\n<h4>Flexible Controller Configurations<\/h4>\n<p>Aerotech designs and manufactures a wide range of servo amplifiers and advanced controllers to provide a complete, integrated electro-mechanical package. Aerotech linear amplifiers provide the most precise positioning for demanding accuracy and in-position stability. Aerotech PWM digital drives provide high power for rapid acceleration and high torque applications. Whatever your application, Aerotech can provide a complete motion system solution to perfectly match your requirements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Our APR stages are the highest performing and most versatile direct-drive, mechanical-bearing stages available. With nine models offering a variety of options for load capacity, torque and dimensional requirements, the APR stage family provides convenient design and integration flexibility. APR stages achieve exceptionally high repeatability, geometric performance and dynamics through a combination of ultra-precise components, cogless direct-drive motors, high-resolution encoder feedback and superior craftsmanship.<\/p>\n","protected":false},"featured_media":30383,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"content-type":"","_searchwp_excluded":""},"product_cat":[28],"product_tag":[],"class_list":{"0":"post-3158","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-stages-actuators","7":"pa_name-2-apr100dr-095","8":"pa_name-2-apr100dr-145","9":"pa_name-2-apr150dr-115","10":"pa_name-2-apr150dr-135","11":"pa_name-2-apr150dr-180","12":"pa_name-2-apr200dr-155","13":"pa_name-2-apr200dr-185","14":"pa_name-2-apr260dr-160","15":"pa_name-2-apr260dr-180","17":"first","18":"instock","19":"product-type-variable"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>APR Mechanical Bearing Rotary Stage | Aerotech<\/title>\n<meta name=\"description\" content=\"The APR series of direct-drive rotary stages is excellent for high-accuracy rotary positioning. 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