DOCSLIB.ORG

Ep 0324553 B1

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Ep 0324553 B1 Europaisches Patentamt A European Patent Office Office europeen des brevets (Ti) Publication number: 0 324 553 S1 EUROPEAN PATENT SPECIFICATION @ Date of publication of patent specification : S) mtci.6: F16D 25/14 03.07.91 Bulletin 91/27 @ Application number: 89300118.0 Date of filing : 06.01.89 Clutch actuator system for automatic/semi-automatic mechanical transmission system. @) Priority: 13.01.88 GB 8800741 Proprietor : EATON CORPORATION Eaton Center, 1111 Superior Avenue Cleveland Ohio 44114 (US) © Date of publication of application : 19.07.89 Bulletin 89/29 Inventor: Cottam, Michael John 54 Glen Park Drive Hesketh Bank Lanes PR4 @) Publication of the grant of the patent : Near Preston 6TA (GB) 03.07.91 Bulletin 91/27 Inventor : Nellums, Richard Alexander 46 Long Copse Chorley Lanes. PR7 1TH (GB) @) Designated Contracting States : DE ES FR GB IT SE Representative : Douglas, John Andrew Eaton House Staines Road Hounslow Middlesex TW4 5DX (GB) References cited : EP-A- 0 158 004 EP-A- 0 231 465 EP-A- 0 239 471 DE-A- 3 010 503 DE-A- 3 246 362 0Q CO in m CO Note : Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Q_ Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been LU filed until the opposition fee has been paid (Art. 99(1) European patent convention). Jouve, 18, rue Saint-Denis, 75001 PARIS 1 EP 0 324 553 B1 Description invention never allows manual override of an automa- tic control of a clutch (by the central control which BACKGROUND OF THE INVENTION actuates a transmission). Field of the Invention 5 BRIEF DESCRIPTION OF THE DRAWINGS The present invention relates to a clutch actuator Figure 1 is a schematic illustration of a prior art se- system for use in automatic/semi-automatic mechani- mi-automatic mechanical transmission system. cal transmission systems (AMT/SAMT). In particular, Figure 2 is a schematic illustration of the clutch the present invention relates to a clutch actuation sys- 10 actuation system of the present invention. tem for AMT/SAMT use which utilizes the standard Figure 1 illustrates an AMT/SAMT system 10 of components of the clutch actuation system normally the "three pedal" type having a throttle pedal 24, a provided (usually by the vehicle assembler) for man- brake pedal (not illustrated) and a clutch pedal 3. It is ually operated master clutches. understood that the present invention is also applic- 15 able to "two-pedal" type system having only a throttle The Prior Art pedal and a brake pedal. Transmission systems of the type illustrated in Figure 1 may be appreciated in gre- Automatic mechanical transmission systems ater detail by reference to above-mentioned US (AMTs) and semi-automatic mechanical transmission Patent No. 4,648 290. systems (SAMTs) are known in the prior art as may be 20 Referring to Figure 1, the position of a driver- seen by reference to United States Patent Nos. operated throttle 24 is sensed at sensor 22 and fed to 4,361,060 ; 4,527,447 and 4,648,290, the disclosures a central processing unit 38, which also receives of which are hereby incorporated by reference. The inputs relative to engine speed from sensor 28 and/or prior art systems utilized an engagable and disengag- transmission input shaft speed from sensor 32, from able master friction clutch drivingly interposed the ve- 25 transmission output shaft speed from sensor 36, and hicle engine and the transmission gearing. Control from positive or negative actuations of the driver's means, usually microprocessor based, are utilized to gear shift lever, or "joy stick" 1. It is understood that provide command output signals to actuators to auto- engine speed is an indication of transmission input matically operate the clutch and transmission based shaft speed, and visa versa, especially if clutch 16 is upon sensed inputs and predetermined logic rules. 30 nonslippingly engaged. The systems could be "two-pedal" systems with only Control logic circuits, sensors and actuators for automatic clutch actuation or "three-pedal" systems the transmission system 1 0 as disclosed in Figure 1 having manual as well as automatic clutch actuation may be as disclosed in U.S. Patent No. 4,361 ,060, the for start-from-stop and/or other modes of operation. disclosure of which is hereby incorporated by refer- In the prior art systems, the AMT/SAMT systems 35 ence. Specifically, central processing unit 38 receives utilized fully integrated clutch actuation systems inputs, processes same in accordance with predeter- which utilized little or none of the actuation/assist mined logic rules and provides command output sig- mechanisms normally provided by the vehicle man- nals to pneumatic and/or electrical actuators for ufacturers for manual transmission systems. This control of an exhaust brake 17 and/or an input shaft may require the vehicle manufacturer to utilize and/or 40 brake 1 8 for rapid upshifts, and automatic fuel control design-in components with which he is not familiar. 26 to "blip" the supply of fuel to the engine 14 to EP-A-0 231 465 discloses the pre-characterizing achieve rapid synchronous rotation preparatory to a part of Claim 1 . downshift, clutch control via operator 30, and ratio In accordance with the present invention, the shifting via transmission operator 34. The central pro- drawbacks of the prior art have been minimized by the 45 cessing unit also sends command output signals to provision of an AMT/SAMT clutch actuator system the display 2 to be described in greater detail below. utilizing many of the master clutch control compo- The semi-automatic transmission system 10 nents typically provided, and engineered into, vehi- additionally comprises a usual foot operated manual cles having a manual transmission system. clutch control 3 intended for use only for startfrom rest The above is accomplished by utilizing the stan- 50 and/or low speed creeping maneuvering situations. dard clutch actuator, reservoir, assist mechanism The semi-automatic mechanical transmission system and/or standard master-cylinder and inserting an 1 0 also includes sources of electric and/or pneumatic additional automatically controlled actuator in the power (not illustrated). control circuit. Figure 2 illustrates the clutch control system 100 DE-A-3 246 362 shows a manual controlled 55 of the present invention as utilized with the SAMT sys- clutch with manual override of an automatic actuation tem 10 illustrated in Figure 1. responsive to an engine braking sensing ; it discloses The clutch actuation system 100 makes use of no automatic transmission. In contrast, the present the existing standard manual clutch control compo- EP 0 324 553 B1 nents predesigned into a particular vehicle by the ve- said inlet (120), wherein said automatic clutch hicle builder. This minimizes component and instal- actuator operator (30) is biased normally to provide lation engineering costs. The standard manual clutch substantially unobstructed fluid communication bet- control system includes an hydraulic reservoir 102 ween said inlet (120) and said outlet (122) of the supplying hydraulic fluid to a master cylinder 104 5 operator (30), but responsive to command signals operated by the clutch pedal 3. The master cylinder from an automatic or semi-automatic transmission output 106 is normally connected to the input 108 of control (38) to overcome the bias of the operator (30) a clutch actuator 1 10 by fluid lines 1 12, 1 14 and 116. and thereby also to pressurize said fluid at said outlet The clutch actuator typically includes a servo-assist (122) and to block said inlet (120) ; with consequent mechanism 118 to minimize force required at the 10 release actuation of said clutch whether or not said pedal 3, and use of the existing assist mechanism master cylinder (104) is manually operated. minimizes the size of required AMT/SAMT clutch actuation devices. All of the existing components are, of course, Anspruche available to and designed into existing vehicles mak- 15 ing the use of an AMT/SAMT easier and less costly to 1. Korperlich (manuell) zu betatigendes Kup- a vehicle manufacturer. plungsbetatigungssystem (100) der Bauart mit einem To provide automatic clutch operation, an auto- Fluidvorratsbehalter (102), der stromungsmaBig mit matic clutch operator 30 is interposed between the einem Kupplungsstellantrieb (111) verbunden ist, der standard master cylinder 104 and the standard clutch 20 dazu dient, ein Drucklager (16) auszuriicken ; mit ei- actuator 110. nem korperlich (manuell) zu betatigenden Kupplungs- The actuator 30 is controlled directly or indirectly hauptzylinder (104) der stromungsma&ig zwischen by command output signals from CPU 38 and dem Vorratsbeha Iter (1 02) und dem Stellantrieb (110) includes an inlet 120 connected to the reservoir 102 angeordnet ist, dadurch gekennzeichnet, daft zum by conduit 112 and an outlet 122 connected to the 25 Zweck einer automatischen oder halbautomatischen standard clutch actuator 110 by conduit 116. As is Kupplungsbetatigung eine Betatigungseinrichtung shown, upon actuation of either the master cylinder (30) in Serie zwischen dem Kupplungshauptzylinder 1 04 or the automatic actuator 30, fluid connections to (104) und dem Kupplungsstellantrieb (110) eingefugt upstream hydraulic connections are closed. ist, daft die Betatigungseinrichtung (30) einen stro- in the illustrated three pedal system, the clutch 30 mungsmaBig an den AuslaB (106) des Kupplungs- may be operated by either the manual pedal 3 or the hauptzylinders angeschlossenen EinlaB (120) sowie CPU 38. In a two-pedal system not embodying the einen stromungsmaBig an den EinlaB (108) des Kup- invention, the reservoir 102 is connected directly to plungsstellantriebes (110) angeschlossenen AuslaB conduit 112, and the pedal 3 and master cylinder 104 (122) aufweist, da& der Kupplungshauptzylinder may be eliminated from system 100.
Load more

Recommended publications
  • Actuator Product Guide
    About Moog Multi-purpose Actuators and Servoactuators Moog’s multi-purpose actuators and servoactuators can be used for a variety of high performance applications and are standard building blocks used in ruggedized systems. We utilize our expertise in DC electromagnetics, gearing, rate and position loop servo electronics and mechanical design in these assemblies. Moog rotary and linear electromechancial actuators are used in: • Fixed and Rotary Wing Aircrafts • Unmanned Vehicles / Remotely Operated Vehicles • Ground Vehicles • Radar Systems • Remote Weapon Stations • SATCOM Pedestals • EO / IR Sensor Pods • Cockpit Door Locks • Valve / Damper Actuators Capability Moog has been developing specialized high technology and utility electromechanical actuators for over 25 years. Our capability includes in-house design, manufacturing expertise, engineering support and qualification for these products. Product Range Products range from 25 to 2,500 in-lbt for rotary and 100 to 2,000 lbf for linear configurations. We can offer our assemblies with integral servo control electronics. Moog offers a variety of communication interfaces including analog, (+/- 10 VDC for example), RS232 / 422 / 485, R/C PWM and CAN Bus. We design for redundancy as required by the customer. Moog is a FAA certified repair station and can offer hardware in support of AOG services. FAA / EASA Approved Repair Station Location, Springfield, PA FAA Repair Station: L17R251Y 750 West Sproul Road EASA (JAA): 145.5497 Springfield, PA 19064-4084 USA Cage Code: 1K426 Tel: +1-610-328-4000 Fax: +1-610-605-6216 FAA / EASA Approved Repair Station Location, Blacksburg, VA FAA Repair Station: 21MR057C 1213 North Main Street Cage Code: 99932 Blacksburg VA 24060-3127 USA Tel: +1-540-552-3011 Fax: +1-540-557-6719 2 Moog • www.moog.com Rotary Actuators Rotary Actuators Rotary servoactuators utilize brush and brushless type DC motors using both neodymium and rare earth magnets.
    [Show full text]
  • Modern Design and Control of Automatic Transmission and The
    Review Paper doi:10.5937/jaes13-7727 Paper number: 13(2015)1, 313, 51 - 59 MODERN DESIGN AND CONTROL OF AUTOMATIC TRANSMISSION AND THE PROSPECTS OF DEVELOPMENT Dejan Matijević The School of Electrical and Computer Engineering of Applied Studies, Belgrade, Serbia Ivan Ivanković* University of Belgrade, Faculty of Mechanical Engineering, Belgrade, Serbia Dr Vladimir Popović University of Belgrade, Faculty of Mechanical Engineering, Belgrade, Serbia The paper provides an overview of modern technical solutions of automatic transmissions in auto- motive industry with their influence on sustainable development. The objective of the first section is a structural view of specific constructions and control systems of presently used automatic transmis- sions, with emphasis on mechatronics implementation. The second section is based on perspectives of development, by integrating some branches of soft computing, such as fuzzy logic and artificial neural networks in order to create an optimal control algorithm for obtaining a contribution to fuel economy, exhaust emission, comfort and vehicle performance. Key words: Automatic transmission, Mechatronics, Automotive industry, Soft Computing INTRODUCTION which is depended by coefficient of friction and normal load on the drive axle. Lower limitation Almost all automobiles in use today are driven by is defined by maximal speed that vehicle can internal combustion engines, which are charac- reach. Shaded areas between traction forces terized by many advantages, such as relatively through gears are power losses. To decrease good efficiency, relatively compact energy stor- power losses and to be as closely as possible age and high power – to – weight ratio [07]. to the ideal traction hyperbola, the gearbox with But, fundamental disadvantages are: enough gear ratios is needed.
    [Show full text]
  • An Overview of Novel Actuators for Soft Robotics
    actuators Review An Overview of Novel Actuators for Soft Robotics Pinar Boyraz 1,2,* ID , Gundula Runge 3 and Annika Raatz 3 1 Mechanics and Maritime Sciences Department, Chalmers University of Technology, 41296 Gothenburg, Sweden 2 Mechanical Engineering Department, Istanbul Technical University, Istanbul 34437, Turkey 3 Institut fur Montagetechnik (match), Leibniz Universität Hannover, 30823 Garbsen, Hannover, Germany; [email protected] (G.R.); [email protected] (A.R.) * Correspondence: [email protected]; Tel.: +46-730-49-8780 Received: 10 June 2018; Accepted: 9 August 2018; Published: 16 August 2018 Abstract: In this systematic survey, an overview of non-conventional actuators particularly used in soft-robotics is presented. The review is performed by using well-defined performance criteria with a direction to identify the exemplary and potential applications. In addition to this, initial guidelines to compare the performance and applicability of these novel actuators are provided. The meta-analysis is restricted to five main types of actuators: shape memory alloys (SMAs), fluidic elastomer actuators (FEAs), shape morphing polymers (SMPs), dielectric electro-activated polymers (DEAPs), and magnetic/electro-magnetic actuators (E/MAs). In exploring and comparing the capabilities of these actuators, the focus was on eight different aspects: compliance, topology-geometry, scalability-complexity, energy efficiency, operation range, modality, controllability, and technological readiness level (TRL). The overview presented here provides a state-of-the-art summary of the advancements and can help researchers to select the most convenient soft actuators using the comprehensive comparison of the suggested quantitative and qualitative criteria. Keywords: soft-robotics; actuator performance; SMA; SMP; FEA; DEAP; E/MA 1.
    [Show full text]
  • Exlar Electric Test and Simulation Actuator Systems
    Delivering more accurate and trouble-free test actuators. Exlar Electric Test and Simulation Actuator Systems Courtesy of Steven Engineering, Inc. - 230 Ryan Way, South San Francisco, CA 94080-5370 - Main Office: (650) 588-9200 - Outside Local Area: (800) 258-9200 - www.stevenengineering.com entertainment simulators, Exlar actutors are Paradigm Shift ergonomic endurance directly controlled in Mechanical test equipment, geo- by the system’s logical test equipment, electric servo Testing System wear testing, and even amplifi er. No Technology aircraft structural testing intermediary such and dynamic simulation. as oil or air is required to create Historically, manufacturers and motion. System users of mechanical test ap- The Benefi ts compliance result- paratus and motion simulators ing from use of have accepted the inaccuracies, of All-Electric fl uid power is a inconvenience and high mainte- Test Actuator major contributor nance costs of hydraulic actua- to inaccuracy of tion. However, today’s simula- Systems tors and test stands are often hydraulic actua- Exlar’s patented roller used in environments where tor systems. The screw linear actuator contamination from oil leaks is higher stiffness of technology allows users to not permissable and greater ac- a planetary perform the analysis and testing curacy is required. Exlar offers roller screw-based actuator pro- needed to verify products’ de- a full range of all-electric test vides greater system response actuators and position controls signs without the high cost of in- and stability assuring precise which provide the dynamic per- stallation, constant maintenance, and crisp control, and stiffness formance and long life required environmental issues, and en- is not stroke-sensitive.
    [Show full text]
  • Actuator Components • Actuators – Hydraulics – Pneumatics – Electric Motors • Gearing • Bearings • Seals
    Actuator Components • Actuators – Hydraulics – Pneumatics – Electric Motors • Gearing • Bearings • Seals U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 1 Fundamental Elements of Robotics Environment Planning Sensing and Actuation Reasoning U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 2 Prime Mover Taxonomy • Electrical – Direct Current – Alternating Current • Non-Electrical – Hydraulics – Pneumatics – Chemical – Thermal – Stored Energy U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 3 Hydraulics and Pneumatics U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 4 Pneumatic Actuator Cutaway U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 5 Hydraulic System Schematic U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 6 Hydraulic Spool Valve Schematic U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 7 Brushed DC Motor Schematic U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 8 DC Brushed Motor Schematic U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 9 Brushed DC Motor Commutator U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary Surface Robotics MARYLAND 10 Brushless DC Motor U N I V E R S I T Y O F Actuator Components ENAE 788X - Planetary
    [Show full text]
  • Analysis and Simulation of a Torque Assist Automated Manual Transmission
    View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by PORTO Publications Open Repository TOrino Post print (i.e. final draft post-refereeing) version of an article published on Mechanical Systems and Signal Processing. Beyond the journal formatting, please note that there could be minor changes from this document to the final published version. The final published version is accessible from here: http://dx.doi.org/10.1016/j.ymssp.2010.12.014 This document has made accessible through PORTO, the Open Access Repository of Politecnico di Torino (http://porto.polito.it), in compliance with the Publisher's copyright policy as reported in the SHERPA- ROMEO website: http://www.sherpa.ac.uk/romeo/issn/0888-3270/ Analysis and Simulation of a Torque Assist Automated Manual Transmission E. Galvagno, M. Velardocchia, A. Vigliani Dipartimento di Meccanica - Politecnico di Torino C.so Duca degli Abruzzi, 24 - 10129 Torino - ITALY email: [email protected] Keywords assist clutch automated manual transmission power-shift transmission torque gap filler drivability Abstract The paper presents the kinematic and dynamic analysis of a power-shift Automated Manual Transmission (AMT) characterised by a wet clutch, called Assist-Clutch (ACL), replacing the fifth gear synchroniser. This torque-assist mechanism becomes a torque transfer path during gearshifts, in order to overcome a typical dynamic problem of the AMTs, that is the driving force interruption. The mean power contributions during gearshifts are computed for different engine and ACL interventions, thus allowing to draw considerations useful for developing the control algorithms. The simulation results prove the advantages in terms of gearshift quality and ride comfort of the analysed transmission.
    [Show full text]
  • How Automatic Transmissions Work by Karim Nice
    How Automatic Transmissions Work by Karim Nice Contents 1. Introduction to How Automatic Transmissions Work 2. Purpose of an Automatic Transmission 3. The Planetary Gearset 4. Planetary Gearset Ratios 5. Compound Planetary Gearset 6. First Gear If you have ever driven a car with an automatic transmission, then you know that there are two big differences between an automatic transmission and a manu al transmission: There is no clutch pedal in an automatic transmission car. There is no gear shift in an automatic transmission car. Once you put the transmission into drive, everything else is automatic. Both the automatic transmission (plus its torque converter) and amanual transmission (with itsclutch) accomplish exactly the same thing, but they do it in totally different ways. It turns out that the way an automatic transmission does it is absolutely amazing! In this article, we'll work our way through an automatic transmission. We'll start with the key to the whole system: planetary gearsets. Then we'll see how the transmission is put together, learn how the controls work and discuss some of the intricacies involved in controlling a transmission. Purpose of an Automatic Transmission Location of the automatic transmission. Just like that of a manual transmission, the automatic transmission's primary job is to allow the engine to operate in its narrow range of speeds while providing a wide range of output speeds. Without a transmission, cars would be limited to one gear ratio, and that ratio would have to be selected to allow the car to travel at the desired top speed.
    [Show full text]
  • Variable Automatic Gearbox Multitronic 01J Self
    228 228 Service. Variable Automatic Gearbox multitronic® 01J Design and Function Self-Study Programme 228 All rights reserved. Technical specifications subject to change without notice. AUDI AG Dept. I/VK-5 D-85045 Ingolstadt Fax +49 (0)841/89-36367 940.2810.47.20 Technical status: 09/99 Printed in Germany For internal use only multitronic® The name multitronic® stands for the new The CVT concept improved by Audi is based variable automatic gearbox developed by on the long-established principle of the Audi. “chain drive transmission”. According to this The variable automatic gearbox is commonly principle, the reduction ratio between the known as the CVT gearbox. shortest and the longest ratio can be controlled steplessly by means of a so-called “variator”. CVT is the English abbreviation for “Continuously Variable Transmission”. 228_023 The new Audi multitronic® with Tiptronic function offers a synergy of the best possible dynamics, optimal fuel utilisation and the highest possible level of drive comfort. 2 Contents Page Introduction multitronic® ............................................................................ 2 The gearbox concept .............................................................. 9 Specifications ........................................................................10 Gearbox modules The flywheel damper unit .................................................... 11 Sectional view of gearbox ....................................................13 The forward clutch/reverse clutch with planetary gear train ....................................................
    [Show full text]
  • Transmission (Mechanics) - Wikipedia 8/28/20, 119 PM
    Transmission (mechanics) - Wikipedia 8/28/20, 119 PM Transmission (mechanics) A transmission is a machine in a power transmission system, which provides controlled application of the power. Often the term 5 speed transmission refers simply to the gearbox that uses gears and gear trains to provide speed and torque conversions from a rotating power source to another device.[1][2] In British English, the term transmission refers to the whole drivetrain, including clutch, gearbox, prop shaft (for rear-wheel drive), differential, and final drive shafts. In American English, however, the term refers more specifically to the gearbox alone, and detailed Single stage gear reducer usage differs.[note 1] The most common use is in motor vehicles, where the transmission adapts the output of the internal combustion engine to the drive wheels. Such engines need to operate at a relatively high rotational speed, which is inappropriate for starting, stopping, and slower travel. The transmission reduces the higher engine speed to the slower wheel speed, increasing torque in the process. Transmissions are also used on pedal bicycles, fixed machines, and where different rotational speeds and torques are adapted. Often, a transmission has multiple gear ratios (or simply "gears") with the ability to switch between them as speed varies. This switching may be done manually (by the operator) or automatically. Directional (forward and reverse) control may also be provided. Single-ratio transmissions also exist, which simply change the speed and torque (and sometimes direction) of motor output. In motor vehicles, the transmission generally is connected to the engine crankshaft via a flywheel or clutch or fluid coupling, partly because internal combustion engines cannot run below a particular speed.
    [Show full text]
  • PI Linear Actuator Catalog
    Linear Actuators for Precision Motion Control,/--5 Solutions featuring Novel Piezoelectric Motors and Classical Motors Latest PI Catalogs: www.pi.ws Latest PI Catalogs: www.pi.ws Precision Linear Actuators Overview Motion Control with Piezoelectric / Servo / Stepper Motors PI is the leading manufacturer of ultra-high-precision actua- tors for nanopositioning and micropositioning applications in industries such as Semi- conductors; Biotechnology and Medicine; Lasers, Optics, Micros- copy; Aerospace Engineering; Precision Machining; Astronomy and Microsystems Technology. Section a Section b Section c Motorized Screw Type Actuators PILine® Ceramic Ultrasonic Piezo NEXACT® Compact Piezo ࡯ DC & Stepper Motors Motor Actuators Stepping Motor Actuators ࡯ Forces to 400 N ࡯ High-Speed Piezomotors and ࡯ PiezoWalk® Drive ࡯ Travel to 50 mm Drives ࡯ Compact Dimensions ࡯ Resolution to 50 nm ࡯ Velocity to 800 mm/s ࡯ Forces to 10 N ࡯ Compact Dimensions ࡯ <0.1 nm Resolution ࡯ Travel to 150 mm (Basically ࡯ Self-Locking at Rest Unlimited) ࡯ Travel to 25 mm (Basically ࡯ Forces to 7 N Unlimited) ࡯ Self-Locking at Rest ࡯ Velocity to 10 mm/s ࡯ Resolution to 20 nm ࡯ Non-Magnetic, Vacuum ࡯ Non-Magnetic, Vacuum Compatible Compatible Section c Section d Section e Section f NEXLINE® High-Force Piezo Flexure-Guided Piezo Piezo Stack Actuators Motion Controllers (Examples) Stepping Motor Actuators Actuators ࡯ PICMA® Multilayer and ࡯ Controllers for Servo Motors ࡯ PiezoWalk® Drive ࡯ PICMA® Piezoceramic PICA™ Stack Actuators and Stepper Motors ࡯ Non-Magnetic, Vacuum Multilayer
    [Show full text]
  • Electric Linear Actuators
    LINEAR ACTUATORS Rolaram www.powerjacks.com LINEAR ACTUATORS | Rolaram www.powerjacks.com 2 LINEAR ACTUATORS | Rolaram Contents Linear Actuators (Electro-Mechanical) 1 Overview of Rolaram® Linear Actuator Range ................................................................4 2 Working Applications for Rolaram® Actuators ................................................................6 3 Product Code for Rolaram® Actuators ............................................................................7 4 Rolaram® Linear Actuator Range ....................................................................................8 5 How to Select a Rolaram® Actuator ..............................................................................10 6 Rolaram® Performance Data .........................................................................................11 7 Rolaram® Linear Actuator Dimensions .........................................................................17 8 Rolaram® Accessories and Options ...............................................................................21 9 Special Rolaram® Designs and Applications .................................................................22 3 www.powerjacks.com LINEAR ACTUATORS | Rolaram 1. Overview of Rolaram® Linear Actuator Range What is a Rolaram® Linear Actuator? Rolaram® is an electro-mechanical linear actuator, which consists of either a Spiracon™ planetary roller screw or a ball screw, driven by an electric motor, through a reduction gearbox. The lead screw converts rotary motion to
    [Show full text]
  • 2150062 Actuator Operating Manual Revision 4.7 Revision Date 4/27/2016
    2752 Capitol Drive Suite 103 Sun Prairie, WI 53590 2150062 Actuator Operating Manual Revision 4.7 Revision Date 4/27/2016 ACTUATOR OPERATING MANUAL This manual provides installation, operation, and maintenance instructions for linear and rotary actuators. DO NOT OPEN YOUR ACTUATOR OPENING THE ACTUATOR WILL VOID WARRANTY AND UNITS NEED TO BE SEALED WITH A VACUUM CHAMBER 2752 Capitol Drive Suite 103 Sun Prairie, WI 53590 2150062 Actuator Operating Manual Revision 4.7 Revision Date 4/27/2016 Warranty 2G Engineering warrants that its product(s) shall be made in accordance with buyer’s specifications which have been accepted in writing by 2G Engineering and shall be free from defects in material and workmanship for 1 Year after purchase. This warranty is provided to the original purchaser and in the case of original equipment manufacturers, to their original customer, and may not be transferred to any other person or entity. In no event shall 2G Engineering be liable or have any responsibility under such warranty if the products have been improperly stored, installed, used, or maintained, or if Buyer has permitted any modifications, adjustments, and/or repairs to such product(s) without 2G Engineering’s prior written consent. The warranty is only valid if purchaser has paid all amounts due to 2G Engineering for the product and 2G Engineering has received written notice of the claim within 1 Year after purchase of the product. The above warranty is the sole warranty provided by 2G Engineering. No other warranties, expressed or implied, are included in the purchase of the product(s) and 2G Engineering expressly disclaims all such other warranties, including without limitation, implied warranties of merchantability and fitness for a particular purpose.
    [Show full text]