New Products

Crossed-Roller Linear Bearing

In all stainless steel, the NB STUDROLLER™ from NBC Corporation (Hanover Park, IL) is ideal for use in special environments that are highly corrosive, high temperature or vacuums. This crossed-roller linear bearing is perfect for motion control applications with extremely fast acceleration and deceleration (at dimensions ranging from 30-600 mm lengths, 1-12 mm rollers, endurance is 150 million cycles). The new NV type STUDROLLER™ with stainless steel Anti-Creep Cage Technology guarantees zero slippage. NB, by placing studs in the center roller and machining a correspondingly dimpled path in the rail, has produced a retainer that never slips. In addition, load capacities are increased 1.4 to 2.3 times over the standard SV type. Roller-to-rail contact area is ex-tended 42 to 58 percent while the number of rollers is in-creased 20 to 55 percent. STUDROLLER™, lowers component costs and allows more compact designs.

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Lifting Column

LINAK (Louisville, KY) has launched the ELEVATE™ lifting column, a new product that extends the reach of cobot palletizers in height where it is especially relevant. It also delivers on speed, flexibility, and precision to optimize the palletizing process and ease the setup, programming, and monitoring of the system. With its fast-lifting speed and optional simultaneous run, ELEVATE boosts your palletizer to match the cycle time of the production line. The lifting speed is constant with up to 100 mm/s and independent of load. With a brushless motor and an integrated controller, ELEVATE provides high position accuracy. Proven slider technology keeps the cobot steady and able to withstand high bending moments while moving. The integrated controller allows for compact size and eliminates the need for external control boxes. This makes ELEVATE extremely space-saving and easy to integrate and even reduces the complexity of the whole palletizer system. Three interface options — ELEVATE Easy, Pro or Modbus — offer the level of control and feedback required by a specific task, and data enable smooth troubleshooting, diagnostics, and optimization of performance.

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Zero-Backlash Gears

Motus Labs (Dallas, TX) has introduced the ML2000 gear series that leverages its patented Orbital Flex™ Design (OFD). OFD enables ML2000 gears to deliver the zero backlash and accuracy of strain wave, the torque and reliability of cycloidal, the rigidity and linear torsional stiffness of a planetary gearbox. The technology utilizes the concept of a mismatched outer and inner ring which forces it to create a ratio that leads to inertia, torque, and speed advantages. The ML2000-86-60 gears are fully tested and are of production quality. In addition to zero backlash, the series offers a high torque density, cross roller output bearing, as well as OEM configuration options. Only the completion of Life Testing and third-party IP Certification remains before the gear is made generally available. To mitigate any perceived risk to early release buyers, Motus Labs, for a limited time, is offering the ML2000-86-60 at a preferred introductory price and a commitment to replace the gear at no additional charge in the unlikely event final Life Testing reveals a required product modification.

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Motion-Sizing Tool

Festo (Islandia, NY) has introduced the company’s latest online productivity tool – Electric Motion Sizing – for error-free sizing of linear and rotary electromechanical systems. Electric Motion Sizing improves project efficiency by slashing the engineering time required for identifying and specifying harmonized electric motion systems. Multi-axis handling systems can be specified with Electric Motion Sizing’s sister productivity tool Handling Guide Online, which offers similar benefits. Electric Motion Sizing compresses hours of toil down to minutes. With this free online productivity tool, users simply input key parameters, such as mass, stroke/travel distance, and cycle time. Electric Motion Sizing performs the complex mass moment of inertia calculations. The tool identifies in real time the combination of components most effective for the application’s parameters. Up to five optimum solutions and motor curves are presented for consideration. The specified components work together, so interoperability is not a concern. Designers can fine tune the selected system by choosing encoder type, brake, and mechanics.

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Pressure Controller

Cordis Pressure Controllers by Clippard (Cincinnati, OH) utilize the proven EVP and DVP proportional valve series allowing for steady, accurate and repeatable downstream pressure control as demand or process changes. The result, a very precise linear pressure control within a closed-loop system providing ultra-high resolution and repeatability. The Cordis uses a microcontroller, an internal pressure sensor, and a Clippard proportional valve. The inlet valve is connected to the moderately regulated supply pressure. Once a command is increased, the proportional valve opens up to allow supply pressure to pass over the sensor element which provides an active feedback for the microcontroller to satisfy the set point in the process. If at any point the sensor detects a value higher than the set point, the proportional valve closes and allows process to consume the remaining downstream pressure.

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Smart Effector

A new, sensor-based compensation module from Bosch Rexroth (Charlotte, NC) — The Smart Flex Effector — gives robots and Cartesian linear systems human-like sensitivity and thus offers new opportunities for factory automation. Processes that are difficult to manage can now be automated, optimized and monitored through simple retrofitting. Thanks to a kinematics system that works independently in six degrees of freedom, the tactile device with sensitive touch precisely records the position of the work piece and passes the information to the robot control unit for active compensation purposes. Typical applications include joining processes with minimal tolerances, complex assembly work or difficult handling tasks. Errors and rejects are minimized, and teaching and commissioning can be carried out more easily and quickly. The Smart Flex Effector is designed for handling loads of up to 6 kg. For machine manufacturers and users, it opens up a wide range of new applications which were difficult or not possible with previous equipment, such as passive compensation units, force torque sensors, and visual systems.

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