Piezo and magnetic products - 77 Pages

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Piezo and magnetic products

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s o l u t i o n s compact - dynamic - precise CEDRAT TECHNOLOGIES Innovation in Mechatronics

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Products Catalogue Version 5.1 TABLE OF CONTENTS 1. CEDRAT TECHNOLOGIES ACTUATOR SOLUTIONS 1.1. Introduction to piezo & magnetic actuators from Cedrat Technologies 1.2. Synthesis of Cedrat Technologies offer 1.3. Overview of Cedrat Technologies products & technologies 1.3.1. Parallel Pre-stressed Actuators PPA 1.3.2. Amplified Piezoelectric Actuators APA® 1.3.3. Stepping Piezo Actuators SPA 1.3.4. Moving Iron Controllable Actuator MICA™ 1.3.5. Bistable Linear Moving Magnet BLMM 1.3.6. Moving Coil Actuators MCA 1.4. Cedrat Technologies services & facilities 1.4.3. Technical assistance &...

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^ CEDRAT ^ TECHNOLOGIES Innovation in Mechatronics COMPACT DYNAMIC PRECISE Products Catalogue Version 5.1 3. MARKETS & APPLICATIONS 43 3.2. Applications & functions classified by working conditions 45 3.2.1. Applications operated under static conditions 46 3.2.2. Applications operated under dynamic non-resonant conditions 48 3.2.3. Applications operated under dynamic resonant conditions 50 3.2.4. Applications operated under dynamic force conditions 51 3.2.5. Applications operated under impulse conditions 52 3.2.6. Applications operated under dynamic sensing conditions 53 3.3. Additional...

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^ CEDRAT ^ TECHNOLOGIES Innovation in Mechatronics COMPACT DYNAMIC PRECISE Products Catalogue Version 5.1 8.3. Controller for piezo motors 116 8.3.1. Controller board for stepping piezo actuator 116 8.3.2. Customised controllers for piezo motor based mechanisms 117 9.2. Strain gauges & associated conditioners 120 9.2.1. Strain gauge sensors 120 9.2.2. Strain gauges conditioners 120 9.3. Eddy Current Sensors & associated conditioners 122 9.3.1. Eddy Current sensor Probes ECP 122 9.3.2. Eddy Current Probe conditioners ECS 124 9.4. Customised sensors' solutions 126 9.4.1. Customised sensor’s...

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CEDRAT TECHNOLOGIES Innovation in Mechatronics compact dynamic precise Products Catalogue Version 5.1 - Cedrat Technologies actuator solutions 1. CEDRAT TECHNOLOGIES ACTUATOR SOLUTIONS 1.1. INTRODUCTION TO PIEZO & MAGNETIC ACTUATORS FROM CEDRAT TECHNOLOGIES CEDRAT TECHNOLOGIES (CTEC) has been constantly upgrading and enlarging its range of actuators and related electronic solutions since the middle of the 90s. In order to keep pace with its customers’ needs and demands for efficient and robust mechatronic systems, CTEC has been developing Compact, Dynamic and Precise components through...

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CEDRAT TECHNOLOGIES Innovation in Mechatronics compact dynamic precise 1.2. SYNTHESIS OF CEDRAT TECHNOLOGIES OFFER Products Catalogue Version 5.1 - Cedrat Technologies actuator solutions 1.3. OVERVIEW OF CEDRAT TECHNOLOGIES PRODUCTS & TECHNOLOGIES All products from CEDRAT TECHNOLOGIES (CTEC) can be assembled to build a complete mechatronic system (Fig. 1.a). CTEC’s standard linear actuators cover a range of free displacements from 10 μm to 10 mm and more (Fig. 1.b). CTEC offers a complete range of products, either standalone or OEM. They have been designed in order to offer the largest...

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CEDRAT TECHNOLOGIES Innovation in Mechatronics compact dynamic precise 1.3.1. PARALLEL PRE-STRESSED ACTUATORS PPA PPA are solid-state linear actuators. They only use the expansion of the active material, in 33-mode, to produce a useful displacement. This displacement is proportional to the voltage within a 170 V range. Typically, the actuator’s deformation is about 0.1% of its length (1 μm/ mm), so their displacements are limited to about 100 μm. However, the forces are naturally high, easily higher than 1 kN. Fig. 1.c: PPA40L PPA use an external deformable frame to pre-stress the ceramics....

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compact dynamic precise CEDRAT TECHNOLOGIES Innovation in Mechatronics 1.4. CEDRAT TECHNOLOGIES SERVICES & FACILITIES CEDRAT TECHNOLOGIES (CTEC) heritage in space industry makes us used to work on complex problems in deep interaction with our customers. Products Catalogue Version 5.1 - Cedrat Technologies actuator solutions 1.4.3. TECHNICAL ASSISTANCE & TRAINING From specific interface to dedicated design, through testing, system integration and assistance, our sales engineers help you all along your project. 1.4.1. ENGINEERING SERVICES CTEC develops custom mechanisms for your actuating or...

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CEDRAT TECHNOLOGIES Innovation in Mechatronics compact dynamic precise Products Catalogue Version 5.1 - Tutorial 2. TUTORIAL 2.1. TUTORIAL ON PIEZOELECTRIC ACTUATORS 2.1.1. INTRODUCTION TO PIEZOELECTRIC MATERIALS In 1880 the Curie brothers first examined the piezoelectric effect on crystal materials, which has the ability to produce electrical charges in response to externally applied forces. This is called the direct effect. This effect is reciprocal; meaning that the piezoelectric material changes its dimensions under applied electrical charges. In 1922 Langevin proposed the first...

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^ CEDRAT ^ TECHNOLOGIES Innovation in Mechatronics COMPACT DYNAMIC PRECISE Products Catalogue Version 5.1 - Tutorial 17 SafiTp 2.1.2. CHARACTERISTICS OF PIEZOELECTRIC MATERIALS Piezoelectric materials are crystalline solids whose asymmetric structures create an electric dipole moment in the crystal lattice, which is sensitive to both the elastic strain and applied electrical field. PZT materials are ferroelectric materials under the Curie temperature: the poling process gives the material its remanent polarization. During the poling operation, the material is subjected to a high electric...

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CEDRAT TECHNOLOGIES Innovation in Mechatronics compact dynamic precise 2.1.5. AMPLIFIED PIEZOELECTRIC ACTUATORS APA® 2.1.6. STEPPING PIEZO ACTUATORS SPA The displacement limitation of Parallel Prestressed Actuators PPA can be overcome thanks to an elastic mechanical amplifier. Various designs, most of them using flexural hinge, have been proposed in the past. Stresses become very high in the hinges during actuation, resulting in fatigue effects. Stepping Piezoelectric Actuators SPA are new long-stroke piezoelectric motors for micro/nano positioning applications beneting from the APA®...

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