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AMETEK Introduces BI-05 Series Slotless Brushless DC Motor from Pittman

POSTED 07/11/2013

BI-05 Series Brushless DC Motor from Pittman Motors, a division of AMETEK Precision Motion ControlHARLEYSVILLE, PA - PITTMAN® Motors, a business unit of AMETEK Precision Motion Control, has introduced its latest offering in a broad range of DC brush and brushless motors.  The BI-05 Series slotless brushless DC motor is designed for maximum precision and performance in a package size perfectly suited for precision equipment such as surgical and dental tools, medical instruments and other health care devices in which small component size is crucial.

As medical procedures trend away from the use of pneumatic devices and move toward DC motor platforms, motor design and manufacturing requires an elevated level of technology to meet the demands of these applications.  The BI-05 was developed with stringent design criteria as the focal point. Its slotless motor design eliminates the magnetic cogging typically found in conventionally wound “slotted” brushless DC motors. The stator teeth are completely eliminated by forming and encapsulating the entire stator winding along the inside surface of the back iron.  The result is zero detent torque, low inductance and extremely fast response rates.

The BI-05 motor body measures a compact 0.5-in (12.7mm) in diameter and is capable of no-load speeds of up to 60,000 RPM. The miniature motor is rated for a continuous output torque rating of up to 0.9 oz-in (0.0064Nm). The overall motor construction is a combination of 17-4, 300, and 400 series stainless steels, the 4-pole rotor is built using high-energy neodymium magnets, and an internal circuit board supports hall sensor feedback spaced at 120 electrical degrees.

Other standard features include shielded ball bearings and a tight rotor balancing spec for smooth and quiet operation at high speeds.  An autoclavable version of the BI-05 also is available. 

About Pittman
Pittman is part of the AMETEK Precision Motion Control division.  PITTMAN products are designed into a wide variety of high-tech motion applications, including lab automation, medical devices, communications equipment, semiconductor processing equipment, aerospace systems, and many other applications where precision motion is critical. 

The PITTMAN motor line spans a wide variety of DC motor sizes and technologies, ranging from 12mm-diameter brushless slotless DC motors used in high-speed medical applications to large NEMA frame DC servo motors used in sophisticated automation equipment.  PITTMAN also offers a wide variety of complementary products such as gearboxes, encoders, brakes, and drive systems.

AMETEK Precision Motion Control is a division of AMETEK, Inc., a leading global manufacturer of electronic instruments and electromechanical devices.