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Many applications can benefit from the use of a precision rotary table. This allows for a device to be accurately positioned according to a precision gear structure. A stepper motor or servo motor can be attached, which provides torque with an accuracy of 12 arc-minutes and a +/- 3 arc minute with repeatability. This can be done either horizontally or vertically. Precision rotary tables can be adjusted with plates that make it easy to see where the intervals are. Plates can also be different sizes, allowing for use with smaller or larger applications. The tables can be manual or powered, and powered tables are usually controlled by CNC machines, making them accurate and automated.
Some of the industries in which a precision rotary table can be used include pharmaceutical packaging, electronic component manufacturing and positioning, grinding, automotive automation, homeland security, aviation, filming, robotics, and more.
Prime Drives precision rotary tables offer the most options in the industry for acquiring the correct gear ratios and table for your needs. The world leader of this industry, Prime Drives provides precision rotary tables that have the largest quantity of options for clients, which sets the company’s product apart from its competitors’.
It is important to select the correct table for the application, as attempting to use a smaller table for an application that involves large or heavy parts can damage the table and result in parts that are much less than the precision intended, including rough finishes on the surface and features that are out of tolerance. Knowing the needs of the project and the capacity of the table will aid you in acquiring the precision rotary table that will handle your application with the most accuracy and best precision.
Some uses of a precision rotary table include machining spanner flats on bolts, drilling holes equally around a round flange, cutting a round piece with a tang that protrudes, milling helixes, cutting complex curves, cutting straight lines at an angle, cutting arcs, cutting circular pieces, and more. Bolts and screws are ideally done with one of these, for example.
When you need a precision rotary table for your application, Prime Drives can meet your requirements. We have a variety of options for you to consider, and our sales personnel can assist you in determining which options will best suit your application. You may reach them by calling 775-333-5984 or email us at firstname.lastname@example.org.
Do you have the right Rotary Servo for the job you have to do? Prime Drives manufactures Rotary Servos and will work closely with you to ensure you have the right Rotary Servo for your application needs. Before deciding if you have the right one, however, it is important to understand what a Rotary Servo is, what applications they might be used for, and what benefits you can receive from using Prime Drives’ Rotary Servos.
What is a Rotary Servo? Also called a Direct Drive Servo, a Rotary Servo is a precision rotary positioning device. It is most often used in robotics, for antenna pedestals, and in medical patient beds. Rotary Servos are also used in machines which automate the placement of integrated circuits, capacitors, resistors and diodes. These are then placed on printed circuit boards and will become computer motherboards as well as the brains behind today’s top smart TVs or your iPad.
What applications use them? Rotary Servos are used in the following applications:
- Automated pick and place machines
- Machine tools
- Visual inspection machines
- Medical patient beds for oncology detection and treatment
- Entertainment/film industry for cameras
- Military applications would include gun turrets on helicopters and tanks as well as cameras on unmanned aerial vehicles (UAVs)
Why would someone choose one type of Rotary Servo over another? Basically, Rotary Servo is a general term. It can be applied to any of the following: Direct Drive Servo, Parts Sets Servo, or simply a basic rotary table driven by a servo motor. The type of applications for which the Rotary Servo is needed will determine the type the engineers select.
How are the Rotary Servos from Prime Drives different from the competitors? What are the benefits of using them?
- We have designed our Rotary Servos to be flexible offering more gear ratios and diameters than others available in today’s marketplace. This is what distinguishes ours from our competitors.
- We design our Rotary Servos with four distinct diameter tables. These range from 4 inch diameter to 12 inch diameter. There are 24 various ratios within each of these diameter series.
- We offer customization of the table. This can include a machined top plate which eliminates the need for an adapter plate. We can also add custom home sensors. Customization can also be made for the thru hole. This customization alleviates cable management issues or allows for laser pass thru capability.
Does your application require an unusual level of precision? Does your current Direct Drive Rotary Stage meet your current torque requirements? If your answers to these questions was “no,” Prime Drives can design and manufacture Direct Drive Rotary Stages to meet your specific positioning needs.
Direct drive rotary stages can be designed with apertures of nearly any diameter and load capacity. Your application will determine the aperture size and load requirements.
Possible applications might include rotary testing, optical calibration, inertial navigation, electro-optic sensors (single or multi-axis), or antennas. Many fields require precise angular positioning including various electronic assemblies, medical, pharmaceutical, robotics, fiber optics, research institutions, microelectronics, photonics and defense and security.
How does a direct drive rotary stage help with accuracy?
- Reduce or eliminate backlash
- Better positioning accuracy
- Increased speeds
- Maximize performance related to tilt error
- Reduce rotating friction
- Eliminate wear problems connected with belt drives, worm-drive and gear-drive rotary stages
- Reduced travel
- Increased repeatability
An added benefit of this type of rotary stage is that it lasts longer and requires less maintenance than other rotary stage types. If space limitations are a factor, Prime Drives is able to design a Direct Drive Rotary Stage to fit within those constraints with a low profile, high precision design. with heights as small as 40 mm.
Aperture size needs may vary depending upon your application. Some factors to consider are the number of wires or vacuum lines routing through the aperture. We can design Direct Drive Rotary Stages with aperture sizes ranging from 10 to 300 mm. For more specification details refer to our product brochure or call our office at 775-333-5984.
Depending upon your specific requirements, often dictated by your industry, our team of experts can design the best possible solution for your company and your application. Whether your Direct Drive Rotary Stage needs are simple or very complex, our engineers will work closely with you to design equipment that will meet those needs.
Pancake Servo Motors are used in speed-controlled or position-controlled feedback systems to control valves within the system. They have a very low profile to fit into spaces less than 1 inch and offer high torque when it is needed for small spaces. If your application requires a long life in a low-profile area, we can provide you a solution. We can design and manufacture a Pancake Servo Motor to fit your needs.
One of the main benefits of Pancake Servo Motors is the fact they have a low-profile and can be placed into small areas. We can design and manufacture Pancake Servo Motors as small as 40 mm in total height with diameter around 80 to 300 mm, not including the shaft. Because of the small size, these Pancake Servo Motors are perfect for use inside robotics, optics and pumps.
Another benefit of the Pancake Servo Motor is that they are brushless which means they do not have mechanical components that will wear out. If there are no mechanical components to wear out, you can feel secure in placing these motors inside hard-to-get-to areas and expect them to last for a long time. If thin section or crossed roller bearings are included in the Pancake Servo Motor, it will increase the life expectancy of the motor. Despite their size, Pancake Servo Motors can provide up to 3,000 RPM.
To help you determine if you have the right Pancake Servo Motor for your application, ask yourself these questions:
- Does my application require a specific amount of torque?
- Does it require a detent or holding torque?
- Does the application require a duty cycle of a particular length?
- Is one step angle desired above another?
- Does is the required RPM or step rate?
- Are bipolar coils preferred over unipolar coils?
- What coil voltage is needed?
- What size restrictions are there for the application?
- Do I know the anticipated life requirement for the motor?
- What is the operating temperature for the Pancake Servo Motor?
- Will the temperatures remain constant or will they fluctuate?
- Will it have radial and axial loads?
When you have the answers to these questions, and have a better understanding about your application needs, call us at 775-333-5984. We would like to discuss your Pancake Servo Motor needs with you and to design the best Pancake Servo Motor to meet those needs.
Direct Drive motors can be found in nearly every industry in one form or another. While some applications may require belts, chains or gearboxes to enable a product or machine to work properly, there are many benefits of using direct drive motors. Prime Drives manufactures direct drive motors that can be customized to suit your needs. What are the advantages of using direct drive motors over belted (or indirect) drives?
One of the main advantages of using direct drive motors is increased accuracy. Rather than dealing with a coupling, gearbox, belts or chains, a direct drive motor attached directly to the load thus there is not hysteresis in any direction of movement.
A direct drive motor also offers higher resolution feedback devices which allows you to attain the absolute accuracy required in precision applications. Encoders can be configured to provide from 11,000 counts/rev to more than 4,000,000 counts per rev; all customized to fit the need of your application. This allows our Direct Drive motors to achieve +/- 3 arc-seconds of absolute accuracy in extremely demanding applications.
Along with having fewer parts that could create noise and vibration, a direct drive motor will provide a unique packaging option not found in typical servo motors. Prime Drives Direct Drive Motors can be packaged to provide a large thru hole in the middle of the motor which can be used for cable management, laser positioning pass thru or pneumatic hose management. Direct drive motors can also be designed to have a large diameter and short height in a ‘pancake’ style or we can offer a taller configuration with a smaller diameter for applications which are restricted in larger diameter package configurations.
Direct drive motors can also provide higher torque at lower revolutions per minute (rpm). Some applications require a higher torque but need this at a lower speed. Prime Drive’s Direct Drive Motors are customizable so they can provide the needed torque at lower rpm speeds. The torque-to-inertia ratio is also higher in direct drive motors, specifically where it is needed most – at the load. Because there is a low electrical time constant for torque motors, the torque can develop quickly when voltage is provided. This quick response aid servo stiffness and angular positions.
Elimination of torque ripple is another advantage of the direct drive motor as we can offer non-cogging rotor-stator sets which provide large pole counts and are staggered to eliminate cogging normally found in competitors direct drive models. When your application requires the absolute elimination of any torque ripple, our slotless designs can provide your application a solution.
If these advantages are what you need for your application, give us a call at (775) 333-5984. We’ll discuss your needs and determine how we can help meet them with a customized direct drive motor.
Direct Drive Servo Motors are used in a wide range of today’s automation tasks. Since automation is employed in a number of industries, you might wonder which applications the Direct Drive Servo Motor is used most often.
Direct Drive Servo Motors are small and compact. They can be customized to match the speed, inertia, torque and accuracy requirements for your application. How do you know if a Direct Drive Servo Motor is right for your particular job?
Consider the needs of the automotive industry. Automotive manufacturing facilities use a variety of robotic units. These robots can duplicate specific, controlled motions repeatedly for the life of the robot. The movements are dictated by the Direct Drive Servo Motors within the robot and they control the speed of the movements, torque, accuracy and repeatability. You may find robots being used for paint booths, machining centers, assembly conveyors, welding robots and punch presses. If your industry uses robots to manufacture your products, Prime Drive’s Direct Drive Servo Motors may be the right choice for your application. Both brushed and brushless motors will be used in industrial robots.
Solar manufacturing companies also use Direct Drive Servo Motors. These motors, however, will be required to perform minute movements for etching the surface of the wafers for solar cells. Direct Drive Servo Motors will also be used for custom robotics solutions and to control movements of the solar panels once they are installed.
Does your application require accuracy and repeatability? Our Direct Drive Servo Motors are also used in medical equipment, inspection equipment, food packaging, prescription drug packaging equipment and the film industry. You can also find these motors in use in the homeland security and grinding industry along with semiconductor equipment, aviation automation and metrology equipment. +/- 3 arc-sec absolute accuracy is achievable.
It is important that we understand your needs as a new client. Our engineers will meet with you to learn what configuration is needed and initiate the design process. We’ll need to know what speed is needed for the motor including the top speed and low speed. How much torque will be required for the motor? What is the absolute accuracy needed? Will package size constraints including maximum diameter or maximum length be a concern? Our engineers will work with you to design a motor around the space your application has available.
Other features you may need to consider for your application are feedback options, custom winding, environmental concerns (whether the motor will operate outdoors), move profile needed and load. When your application requires direct drive servo motors, call Prime Drives. We’ll work with you to deliver the solution your application requires.