Ball spline structure
Ball spline consists of spline shaft, spline sleeve, ball bearings, and a recirculation device. It can be divided into two main categories,槽式(slot type) and凸缘式(flange type), based on the cross-sectional shape of the spline shaft, and each category is further divided into key connection and flange connection according to the method of connection.
Ball Screw Keyway Application
Z-axis for articulated robots, assembly robots, automatic loaders, and ATC devices for machining centers, suitable for combined setups of rotational and linear motion.
Ball spline structure
Ball spline is composed of spline shaft, spline sleeve, ball bearings, and a recirculating device. It can be divided into two main types according to the cross-sectional shape of the spline shaft: groove type and flanged type. Each type is further categorized into key connection and flanged connection based on the method of connection.
Precision Ball Screw and Ball Key Structure with Special Length
Ball screw and ball spline assembly is a travel and rotation device with crossed slots for ball screw and ball spline on a single shaft. Additionally, support bearings are directly mounted on the outer circumference of the nuts for both ball screw and ball spline. By rotating or stopping the nuts and spline nuts, three types of motion (rotary, linear, and helical) can be achieved with just one shaft. Its applications include the Z-axis of horizontal multi-axis robots, assembly robots, automatic loaders, and ATC devices for machining centers, making it particularly suitable for combined units of rotary and linear motion.
Ball spline features:
Ball spline utilizes balls housed within spline bearing sleeves, offering competitive ball screw import prices. These balls roll in finely ground full grooves, where the ball screw import installation facilitates smooth rolling while transferring torque, marking a groundbreaking linear motion system.
Different from traditional construction, due to its ball spline allowing for preloading of individual spline bearing bushes, it can effectively operate in areas subject to high vibration and impact loads, where precise positioning is required, and where high-speed motion performance is needed, such as with ball screw import companies.
Even when used as a substitute for straight roller bushes, the ball screw's rated load, with the same shaft diameter, is several times that of the linear bushes, allowing for exceptionally compact designs. It can also be safely used under arm loads and torque, with a long service life.
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