Linear Actuators/

Ball Screw Actuator

Ball screw actuators, also called drive screws, are devices that produce mechanical linear motion by converting rotary motion into mechanical energy through the use of ball screw and ball nut combinations. Tending to be very rigid, ball screw actuators are also highly accurate and precise due to tight manufacturing tolerances as well as the lack of compressibility in the ball bearings.

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Del-Tron Precision, Inc.
Bethel, CT
800-245-5013
Del-Tron Precision, Inc. produces and supplies hundreds of thousands of automated equipment, like the ball screw actuator every year. These products have been incorporated into medical diagnostic and other equipment, semiconductor processing equipment, computer peripherals, assembly systems, scientific instruments and many other products. Give us a call today!
 
Haydon Kerk Motion Solutions, Inc.
Waterbury, CT
800-243-2715
We are proud of our reputation as experts in customization, innovative design and engineering to meet challenging application needs. Haydon Kerk Motion Solutions has the people, the technology and the facilities to design a solution that will put your challenging ideas into practical motion. The automated equipment we produce includes ball screw actuators and similar products.
 
Tolomatic
Hamel, MN
800-328-2174
At Tolomatic, we are big enough to get the job done but still small enough to care about each and every individual customer who walks through our doors. In the automation equipment industry, which includes products like ball screw actuators, we are at the top of our game with experience, workmanship, speed and delivery. Call us today to find out how we can best suit your linear motion needs!
 
Parker Hannifin - Electromechanical Division
Rohnert Park, CA
800-272-7537
Parker Hannifin is a manufacturer of products like ball screw actuators, which are vital to virtually everything that moves or requires control, including the manufacture and processing of raw materials, durable goods, infrastructure development and all forms of transport. They serve these industries with excellent products that are efficient, cost-effective and long-lasting.
 
IAI America, Inc.
Torrance, CA
800-736-1712
IAI's efficient products offer value to business automation by reducing running costs and man-hours spent to set up and maintain the production line. From easy-to-use software to complete ROBO Cylinder automation solutions, we meet your unique needs with innovation and high quality, excellent service and support. When you think you need ball screw actuators, come to IAI first.
 
LINAK U.S. Inc.
Louisville, KY
502-253-5595
From the very beginning the driving force behind what was to become LINAK U.S. has been the wish to make innovative solutions to improve people's quality of life and working environment. With products like the ball screw actuator and other related actuator products, this is exactly what LINAK is doing. Call LINAK today to find out how they can help you!
 
Beaver Aerospace & Defense, Inc.
Livonia, MI
734-853-5003
Not only does Beaver Aerospace & Defense produce phenomenal actuation solutions in the form of ball screw actuators and similar mechanisms, but they are also an industry leader in customer satisfaction. Their knowledgeable engineers, technicians and customer support specialists are dedicated to continuous improvement. As a result, our customers always come back.
 

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E·DRIVE® ACTUATORS
West Hartford, CT
800-878-1157
At E-Drive® Actuators, our unique steel construction and long life have attracted new markets, namely factory automation. With products like ball screw actuators and other fine quality linear motion mechanisms, our business has continued to grow as the demands for improved control over linear motion have increased. Contact us today to check out our full product list and capabilities!
 
Warner Linear
Belvidere, IL
800-825-6544
At Warner Linear, our quality starts in the product design of precision motion products like our ball screw actuator. It is demonstrated in the attention given to design details and the refinement of prototypes. It is apparent in our fast response to requests for quotes, and our strict adherence to deadlines in every stage of the work flow. Call us today for your motion solutions!
 
Burr Engineering & Development Company
Battle Creek, MI
800-537-9940
Utilized in a variety of applications and industries the products designed and manufactured at Burr Engineering & Development include ball screw actuators and similar mechanisms. Standard models or customized designs are available to ensure that wherever the part will be, whether in construction equipment, a platform table or a satellite dish positioner, it will be a perfect fit.
 
Venture Mfg. Co.
Dayton, OH
866-365-1957
Venture Mfg. Co. has the ability to build most prototypes and once approved, we can manufacture anything we design. We have a reputation for delivering ball screw actuators and similar motion control mechanisms on-time and at the most competitive prices. Also, we are a United States based company but are a renowned brand in the global market as well as in the U.S.
 
Concise Motion Systems, Inc.
Albuquerque, NM
800-956-6728
Concise Motion Systems is proud to market motion control products which we believe represent "appropriate technology" without superfluous features which complicate your system and makes the designer's job more difficult and expensive. Our actuators, such as basic models like the ball screw actuators, are built-to-order by the German factory and are industrial quality and built to last.
 
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Industry Information

Ball Screw Actuator

Highly durable, ball screw actuators can exceed lifetimes of 5,000 km if operated at low loads and speeds; higher loads and speeds lead to typical lifetimes of 3,000 km. A ball screw actuator's speed is determined by the ball screw's pitch. The screw lead is the screw pitch multiplied by the number of screw threads, and determines the linear travel of the ball nut per rotation of the screw. Ball screw actuators with a higher screw pitch provide higher axial movement to a nut faster per a given screw rpm, while those with a lower screw lead produce greater linear thrust. Ballscrew actuators serve a multitude of industries including automotive, aerospace, medical, biotechnology, automation, material handling, semiconductor, pharmaceuticals, food, packaging and electronics. Applications that ball screw actuators are utilized in include large-scale automation processes, solar tracking, ventilation, micro-positioning, commercial satellite tracking, laser machining and conveyor belting.

Ball screw linear actuators consist of a ball screw, a train of recirculating ball bearings, a ball nut and a cover tube or housing that attaches to the object, or load, requiring motion. The load is typically attached to the end of the ball screw and unsupported by other means. The ball bearings travel in opposed, hardened rod tracks or grooves that are cut out inside of the axially-translating ball nut at a particular helix angle. The ball bearings are compressed when circulating in the track and unloaded in the return system: the circulation is caused by either an internal reversing system or a series of external return tubes. Housed in the ball nut, the ball bearings travel along a ball screw rod. The ball screw rotates in and out of a housing, which is typically constructed from stainless steel, aluminum, plastic or steel. The rotation provides linear motion to the object and can be caused by a synchronous timing belt drive, direct drive or worm gear drive. In addition, ball screw actuators length is determined by the critical speed of the screw. The critical speed of the screw is directly related to the screw's diameter and is inversely proportional to the square of the unsupported screw's length. Screws with a larger diameter at given unsupported length have higher critical screw speeds than screws with a smaller diameter at the same length.

Ball Screw Actuator
Ball Screw Actuator Image Provided by Warner Linear