| Motion Control | Electronics & Computers | Sensors/Data Acquisition

New Products: December 2017 Motion Design

Corrosion-Resistant Valve

GF Piping Systems (Irvine, CA) introduced a corrosion-resistant pneumatic diaphragm valve for highly corrosive dosing and open/close applications. The Type 604/605 pneumatically actuated dosing valve is designed and tested to surpass two million lifecycles. The 1/2” (d20) size 604/605 valve is available in PVC, CPVC, PROGEF Standard PP, and SYGEF; in standard PVDF body materials with a wide variety of end connections; and custom assemblies. The valve is pressure-rated at 90 psi unidirectional with operating temperatures ranging from -4 to 284 °F, depending on body material. A threaded bonnet design eliminates both the need for metallic body bolts and re-torqueing after hot line shutdowns. Oversized pneumatic ports decrease cycle time to maintain accurate dosing with minimal overrun.

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Linear Slide Actuators

AutomationDirect (Cumming, GA) has added second-generation (Gen 2) linear motion slide actuators to its SureMotion line of motion control products. The self-contained Gen 2 Compact slide actuators are available with travel distances to 36” and travel speeds up to 20 inches per second, and they have an integral wire-way through the body and a more robust motor mount that fits both NEMA 17 and 23 motors. Gen 2 Value Line linear slide actuators are available with travel distances ranging from 6” to 24”, and add integral sensor mount grooves and a more robust motor mount. SureMotion twin round-shaft slide actuators are also available, and feature continuously supported round rail slide with ball screw actuation to provide precision linear motion.

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Caliper Brakes

Nexen Group (Vadnais Heights, MN) offers three models of BD (brute disk) caliper brakes: air actuated, spring actuated/air released, and spring actuated/hydraulically released. The brake design uses arms to provide higher clamping force. Torque ranges from 8,000 to 23,000 in-lbs., disc diameters span 12 to 24”, disc thickness is 0.50 to 1.00”, and maximum disc speed is 3200 RPM. The QD bushing is compatible with shaft sizes up to 3.875”. Actuators mount on either side of the brake, connections can be rotated 360° around the actuator axis, and all pivot points have life-lubricated bearings. Brake shoes are mounted with detent pins for quick replacement.

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3D Design Tool

SCHUNK (Morrisville, NC) offers the eGrip web-based 3D design tool that allows users to design and create gripper fingers that are customized to their part. Using eGrip, users can orient the part, choose the gripper model, and specify the finger material during the design process. Uploading the workpiece data as a STEP or STL file enables eGRIP to determine individual gripper fingers with optimal 3D contour. Once the design is completed, the fingers will be made by additive manufacturing and delivered in days. Material choices include polyamide 12, aluminum, and stainless steel. The external contour of the generated modules — consisting of gripper, top jaws, and workpiece — can be downloaded free of charge as an STL file and used for the construction of the system.

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Human Machine Interface

Mitsubishi Electric Automation (Vernon Hills, IL) introduced the GT2107 Wide Series human machine interface (HMI). The GT2107 is an interface that monitors and controls machine components with a graphical touchscreen that connects to equipment such as PLCs, VFDs, and servos. The HMI features a 7”-wide display with 800 × 480 resolution. The optional VNC server provides remote access to the HMI and connected equipment, allowing users to operate the system using tablets or personal computers to view data in real time. The GT2107 also offers predictive maintenance information, giving plant managers the opportunity to proactively plan and manage equipment maintenance.

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