Motion Control

Brushless DC Pump

The Thomas 230 Series, a brushless DC WOB-L® air compressor designed for applications requiring a compact, lightweight pump with variable output, is available from Thomas Division (Sheboygan, WI). The pump measures 3.8 × 2.64 × 3.63" and weighs 1.2 pounds. It features variable output (1,000 – 3,000 RPM) utilizing a brushless DC motor, an enclosed crankcase for reduced sound, and WOB-L® piston technology. Maximum flow is .50 CFM (high speed), and maximum pressure is 30 PSIG.

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Orientation Sensor

Bosch Sensortec (Palo Alto, CA) offers the BMX055 9-axis sensor that contains three 3-axis sensors: a 12-bit low-noise accelerometer; a gyroscope with a resolution of 16 bits and programmable measurement ranges; and a low-noise, widerange geomagnetic sensor. The sensor uses proprietary MEMS sensor technologies. The FusionLib Software combines the sensor data outputs and generates virtual sensor outputs such as quaternion, linear acceleration, rotation, and gravity.

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Tubing Pumps

Masterflex® C/L® tubing pumps from Cole-Parmer (Vernon Hills, IL) feature a redesigned head that provides more secure tubing retention and more consistent performance over the full range of tubing sizes and flow. A single motion opens the cover and releases the occlusion bed for easy tubing changes. Tubing retainers are selfadjusting to accommodate tubing of different diameters. The peristaltic pumps are encased in a stackable, 1⁄4-DIN housing for mounting in an equipment rack or for placement on a lab bench. Pump head construction is of chemicalresistant engineered plastics and stainless steel. They also offer remote start/stop via contact closure, reversible flow, and a max-speed button for fast priming.

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Gear Motors

Applimotion (Loomis, CA) has introduced custom gear motors for high-torque, low-speed, and low-profile applications. The assemblies combine precision gearing and directdrive frameless motor kits to form a high-torque alternative to coupling a servomotor to a traditional gearbox. The ULT, UTH, and UTS low-profile frameless motors are combined with an appropriate gearing solution. These assemblies include precision bearings and high-resolution encoders. Gear motor assemblies can be created ranging in size from 25 to 800 mm diameter.

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Fasteners

The Key-Rex™ high-security fastener is available from Bryce Fastener (Phoenix, AZ). The special safeguard feature of the screw is the endless combination of complex shapes developed in the drive (head) of the screw. Each keyway shape and matching driver bit is licensed to only one client. Because the driver bit functions like a key, the manufacturer recommends that clients restrict use of the bits to authorized personnel. Any standard fastener can be fitted with the security feature, safeguarding the integrity of the design, or a fastener can be made to meet the design’s requirements.

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Linear Rail System

Haydon Kerk Motion Solutions, a division of AMETEK Precision Motion Control (Waterbury, CT), has introduced the BGS04 Linear Rail System designed for high-moment loads. The roll, pitch, and yaw moment load capability allows the system to maintain accuracy and repeatability in applications requiring significant cantilevered loading. The system features a Haydon™ linear actuator driving a Kerk® 303 stainless steel precision lead screw. The screw is coated with Black Ice® TFE coating, providing a permanent wear-resistant dry lubrication. The lead screw drives an anti-backlash nut embedded in a machined aluminum carriage mounted to a stainless steel ball rail. The linear rail is available with either the Size 11 (28mm) double stack or Size 17 (42mm) single stack hybrid linear actuator. Maximum roll, pitch, and yaw moments are 5.72 lb-ft, 4.88 lb-ft, and 5.68 lb-ft, respectively.

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CNC Machine Controllers

B&R Industrial Automation Corp. (Roswell, GA) offers standardized system modules for CNC machines. Consisting of hardware components, all necessary software functions, and available simulation options, the software package makes it possible to quickly implement automation processes. The system integrates CNC, PLC, and motion control in one controller, and the function modules in the standard CNC package are designed to provide all important functions for CNC processing machines, including functions for operation, configuration, and diagnostics of the system, and in particular, all the axes and CNC channels.

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