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Piezo LEGS Linear 6N
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Catalog excerpts

Piezo LEGS Linear 6N - 1

Piezo LEGS® Linear 6N • • • • • Direct drive - backlash free Nanometer resolution Simple drive electronics No power draw in hold position Quick response and high speed The Piezo LEGS 6N linear motor is intended for a large range of OEM applications. Design focus has been for ease of integration. The very high speed dynamics and nanometer resolution makes it ideal for numerous applications. Controlling the motor PiezoMotor offers a range of drivers and controllers. The most basic one is a handheld push button driver. Another option is an analogue driver that regulates the motor speed by means of an ±7 V analogue interface. One of the more advanced alternatives is the PMD101 Microstep Driver/Controller. This product enables the user to vary the waveform as well as speed. The PMD101 is equipped with encoder signal inputs for close loop control. The microstepping feature divides full step cycle into maximum 2048 increments which results in microsteps as small as two nanometers. The LEGS technology is characterized by its outstanding precision. Fast speed and quick response time, as well as long service life are other benefits. In combination with the nanometer resolution the technology is quite unique. The motor is ideally suited for move and hold applications or for automatic adjustments. When the motor is in hold position it does not consume any power. The drive technology is direct, meaning no gears or lead screws are needed to create linear motion. This means the motor has no mechanical play or backlash. The Piezo LEGS 6N linear motor is available in a standard version, a non-magnetic version, and a non-magnetic vacuum version. Mechanical and electrical connection PMD101 Design your own driver Some customers prefer to design their own driver for ease of integration or for even higher waveform resolution (subnanometer range). In this case PiezoMotor can provide information to assist in the design. Ordering information The motor is easily integrated in your application using the drive rod mechanical adapter. Drive rods are supplied in different lengths (30, 40, 50, 60, 70 and 101.8 mm). Motor Operating modes The motor can move in full steps (wfm-steps), or partial steps (microsteps) giving positioning resolution in the nanometer range. Speed is adjustable from single microsteps per second up to max specified. LL1011A- Standard version, stainless steel LL1011C- Non-magnetic version LL1011D- Vacuum version, non-magnetic Drivers and Controllers PMCM21-01 Handheld push button driver PMCM31-01 Analogue driver PMD101 Microstepping driver Accessories 102431-05 Motor cable 0.5 m 102431-15 Motor cable 1.5 m

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Piezo LEGS Linear 6N - 2

Piezo LEGS® Linear 6N Operating Principle 1 When all four legs are electrically activated they are elongated and bending. As we shall see below, alternate legs move as pairs. Arrows show the direction of motion of the tip of each leg. The Piezo LEGS walking principle is of the non-resonant type, i.e. the position of the drive legs is known at any given moment. This assures very good control of the motion over the whole speed range. The performance of a Piezo LEGS motor is different from that of a DC or stepper motor in several aspects. A Piezo LEGS motor is friction based, meaning the...

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Piezo LEGS Linear 6N - 3

Piezo LEGS® Linear 6N Main Dimensions LL1011A 0 2 4,2 10 22 L ±1 10 0 -0,2 4x M1,6 Main Dimensions LL1011C 4 ±0,1 3 ±0,05 Ø2,05 Not suitable for mounting. (Performance can be affected) Non-magnetic version10 4,2 2 22 L ±1 4,2 10,8 0 10 -0,2 Electrical connections 2 10 22 Phase 4 GND Phase 3 Phase 2 Phase 1 REV. Phase 3 White Phase 4 Grey GND Black -.02 L ±1 0 10 -0,2 4x M1,6 Unless otherwise stated, motor is supplied with JST 05SR-3S Connector 4,2 10 10,8 22Electrical 4 ±0,1 3 ±0,05 Note: Refer to drawings for details. Read Installation Guidelines carefully.Phase 1 Yellow Phase 2 Green...

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Piezo LEGS Linear 6N - 4

Piezo LEGS® Linear 6N Stall Force Motor type Drive rod (standard lengths) Note: All specifications are subject to change without notice. Mechanical adapter A = JST connector - for motor type A and C B = Teflon cable PTFE AWG28 with JST connector - for motor type D Cable (standard lengths) 00 = No cable (JST connector only) - for motor type A and C LL1011A-050D1A05: LEGS Linear, 6.5 N, version 11, Stainless Steel, 50 mm drive rod, mechanical adapter front end, JST Connector with 0.5 meter cable Note: All combinations are not possible Visit our website for application examples, CAD files,...

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