Kneeling systems have become widespread on custom wheelchair-accessible vehicles from BraunAbility and other accessible-vehicle converters. Here linear actuators lower vehicles’ rear suspension to reduce the incline angle of wheelchair ramps for easier access. Because the actuators typically mount under the vehicle chassis, they must be rugged. “Our vehicles typically kneel 2.5 to 3 in. We […]
High-speed linear actuators: What qualifies them as high speed?
Like many terms used in the linear motion industry, such as “heavy duty,” “miniature,” and “corrosion-resistant,” to name a few, there is no industry standard that specifies what constitutes a “high-speed” linear actuator. Nevertheless, there are some general guidelines that manufacturers follow when classifying and marketing their actuators as high speed. These guidelines are typically […]
Oriental Motor linear actuators: Now with battery-free absolute feedback and AZ Series performance
Oriental Motor USA now offers AZ Series technology with absolute mechanical encoders across: The Oriental Motor EZS Series of electric linear slides The Oriental Motor EAC family of electric cylinders AZ Series offerings work in advanced positioning applications because of their closed-loop control. Linear-motion designs of the AZ Series also substantially reduce heat generation from […]
Lexium MDrive linear actuators: Mechanicals integrated with motors and electronics
Schneider Electric announces the release of Lexium MDrive (LMD) linear actuators, delivering clean, quiet linear motion to a wide range of applications from medical to packaging. These compact motion products integrate robust motor, electronics and linear mechanicals, providing machine builders with solutions that can reduce their system cost, design and assembly time. For more LMD linear product […]
What is a 12 volt linear actuator?
Linear actuators are typically characterized by their drive mechanism – belt drive, ball or lead screw drive, pneumatic drive, etc. But it’s not unusual for rod style electric actuators to be classified by the input voltage – commonly 12 or 24 volts – of their integrated motors. These actuators provide thrust force, much like a […]
Cyber dynamic linear actuators with integrated ball screw from WITTENSTEIN
Ideal for packaging, food & beverage, medical and semiconductor applications, the latest addition to the cyber® dynamic line from WITTENSTEIN cyber motor offers maintenance-free precision positioning in compact space. As part of its cyber dynamic line product series, WITTENSTEIN cyber motor has launched a new series of linear actuators designed with an integrated ball screw […]
Linear actuator designs for vertical lifts: How to size a jack?
Linear actuator designs for vertical lifts often take the form of worm screw jacks. There are several criteria by which a worm screw jack can be sized properly — six primary factors, to be exact. First is the basic tonnage rating of the jack. This is simply the overall capacity that a jack can handle […]
What are the six basic parts of a worm-gear jack for vertical motion applications?
Screw jacks are indispensable linear-motion designs for lifts and other vertical-motion applications. They consist of six main components. First there is the housing. This contains all of the internal jack components. Second is the worm shaft – this is an input to the jack and typically where a motor handwheel is attached. The third jack […]
Vertical linear motion: Hoists to lifts to AS/RS reach new heights
New technologies boost the reliability and efficiency of vertical motion designs (including an array of lifts and hoists) for setups of various sizes. In the feature, we get input from one industry expert on the subject and then outline five key parameters that dictate what makes linear actuators suitable for lifting. Mounting orientation — especially […]
When is a worm-screw jack the best linear motion solution for a vertical application?
Worm-screw jacks are a linear-motion design that’s been around for decades — though the modern version of the screw jack has changed a lot since its inception in the 1940s. Today’s versions use a basic worm-gear mechanism to drive either an acme screw or ball screw. When is a worm-screw jack a suitable linear-motion solution? […]
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