Motion Control

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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Posted in: Products, Board-Level Electronics, Electronic Components, Electronics & Computers, Motion Control, Motors & Drives, Positioning Equipment, Sensors
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New Products: October 2017 Motion Design

Torque Motor

ThinGap (Camarillo, CA) has developed the first member of a new motor family of high peak torque density brushless PM motors that reach over 20 Nm/Kg. The frameless LSI 105 torque motor model is 105 mm OD (4.125 inches) and 25.4 mm (1.0 inch) long. Continuous torque reaches over 2Nm (283 oz-in) in typical applications. The motor has torque ripple of less than -1%, and zero cogging. A frameless configuration is combined with large ID through-bores to ease assembly into OEM motion products. The efficient potted winding and thermally conductive structure provide heat transfer in enclosed places, and the motors also work with active cooling systems such as cooling loops or oil filled assemblies. Adjusting windings are available that cover common bus voltages and speed requirements.

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New Products: August 2017 Motion Design

Brushless AC Servo Motors

Allied Motion Technologies (Amherst, NY) introduced the HeiMotion™ Premium (HMP) brushless AC servo motor family. The motors, which have a 20,000+ hour life span, are available in five metric frame sizes with rated torque from 0.12 up to 14.4 Nm, and continuous shaft power from 50 W to 3.75 kW. Standard flange sizes include 40, 60, 80, 100, and 130 mm. Top speed ranges from 2,000 to 9,000 RPM; holding torque goes from 0.18 to 18.5 Nm; and winding voltage choices extend from 48 V up to 560 V. Optional features include standard resolver or encoder (including single cable HIPERFACE® DSL interface), holding brake, and connector choices.

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New Products: June 2017 Motion Design

Load Adaptor

Zero-Max (Plymouth, MN) introduced the Model 650 Overhung Load Adaptor that's designed to provide more radial and axial load support for hydraulic motors and pumps. The SAE B Model 650 is in the middle of the company's range of load adaptor sizes ranging from the smallest 200 SAE A mount model to the largest 1500 SAE F mount model. The new adaptor features a cast iron housing, 130,000 PSI stress-proof steel shaft, and heavy-duty spherical roller bearings. Designed for either face or foot mounting applications, it handles speeds up to 3500 RPM and is manufactured to ISO 9001:2008 quality standards. Overhung load adaptors protect the shaft seal of the motor, which can improve the operational life of the motor in harsh environment applications.

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New Products: April 2017 Motion Design

Variable Frequency Drives

Through a new partnership, variable frequency drives (VFDs) from American Control Electronics (South Beloit, IL) will now be offered as a product add-on to Brother Gearmotors’ portfolio of sub-fractional AC gearmotors and reducers. OEMs have access to an optimized VFD for the Brother sub-fractional power range instead of purchasing an offthe- shelf VFD that may not be the best fit for the application. For example, a user buying a sub-fractional HP (1/100th to 1/6th HP) gear motor will not have to choose an off-the-shelf VFD rated for 1/4 HP. ACE’s microprocessor-based VFDs control AC motor speed and torque by varying input frequency and voltage.

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Differential Measurement System

The Measuring Division of Kaman Precision Products, Inc. (Middletown, CT) has released the KD-5100 differential measurement system, which provides resolution to a nanometer of positional change. Featuring a small package size – only 2 x 2.12 x 0.75 inches thick – the KD-5100 is a good choice for applications where space is a limiting factor. It is manufactured to MIL-H-38534, with MIL-SPEC components used throughout the electronics module wherever possible. The KD-5100 features rugged construction, with a mean time between failures of better than 238,000 hours in a space flight environment and 55,000 hours in a tactical environment.

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Posted in: Products, Products, Data Acquisition, Motion Control, Positioning Equipment
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Linear Motor

The LinX® linear motor from Anca Motion USA (Wixom, MI) delivers a continuous force from 333 N to 665 N, and peak force from 2136 N to 4272 N. It features a cylindrical design with a thermal barrier that helps separate and remove heat from the motor. The motor’s zero net attractive forces eliminate the downforce associated with flatbed motors. Its cylindrical profile makes the system compact, effectively fitting into a space similar to that required by a regular ball-screw and circular motor. The motors are fully sealed and rated to IP67 or optional IP69K, making them well suited for machine tool and food processing systems. The motor can be enabled with an algorithm that increases axis stiffness and helps to minimize axis deflection with greater accuracy.

Posted in: Products, Motors & Drives
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Optical Encoders

MICROMO (Clearwater, FL) announced the FAULHABER high-precision IER3 and IERS3 optical encoders. Both encoders deliver two-channel quadrature signals and an additional index signal. They can position a FAULHABER micro DC motor or brushless DC servomotor with a typical accuracy of 0.1° to 0.3°. The encoders combine the LED, photodetectors, analysis unit, and interpolation levels on one chip. They lengthen motors by 15.5 to 18.5 mm. Both encoders are also available with line drivers that generate complementary output signals and make data transmission resistant to electrical interference, especially in encoders with long connecting cables. The IER3 encoder has a resolution of up to 10,000 lines per revolution, and achieves an angular resolution of 0.009° with the evaluation of 40,000 edges per revolution. The IERS3-500 provides resolutions of 250 and 500 lines per revolution.

Posted in: Products, Electronics & Computers, Motors & Drives, Optical Components, Optics
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Electro-Hydraulic Motion Controller

Delta Computer Systems (Battle Ground, WA) has announced the RMC200 closed-loop electro-hydraulic motion controller that has the capacity to handle closed-loop control of up to 32 motion axes. The controller can synchronize the motion of multiple axes, enabling the construction of machines with scalable performance and quick production changeovers. It provides built-in support for controlling pressure/ force as well as position/velocity/acceleration. Through use of a programmable feature key, the controller will enable only the number of control loops that a customer’s application needs. Other features include a display screen on the CPU, I/O modules with push-in wire connectors, and fully encased, user-installable modules that “rock-in” to provide power-sequencing capability. The unit’s modular expandability enables it to support expanded control and I/O interfacing compatibility as new modules are developed.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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Grippers

Airpot® Corp. (Norwalk, CT) announced GramForce™ Accurate Force Pneumatic grippers that generate no measurable friction and provide a gentle grip for delicate operations. They operate at pressures from 0.02 MPa to 0.7 MPa, and offer holding pressures as low as 0.25 N (0.056 pounds) and up to 8.6 N (1.9 pounds). With synchronous and counterbalanced parallel design that allows unchanging gripping force in any mounting orientation, the grippers are internally driven by two 5.6-mm-bore pneumatic actuators. The carriage blocks are mounted on a stainless steel rail. They have operating ranges from -20 to 80 °C. The design accommodates finger lengths up to 75 mm. Assembled, the gripper is less than 50 mm high, less than 79 mm long, and 26 mm wide. The grippers are suited for precision assembly equipment, test and measurement devices, robotic end-effectors, small parts handling, and machining operations.

Posted in: Products, Manufacturing & Prototyping, Motion Control
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