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Typical Brake Disc and Brake Pad Damage Patterns and Their Root Causes
Typical brake disc and brake pad damage patterns and their root causes www.meyle.com Good brakes save lives! The consequences of choosing the wrong or low-grade brake parts can be dramatic. Only use the brake components specified for the given vehicle application. Brake system repairs may only be performed by skilled and trained personnel. Adhere to the vehicle or brake manufacturer‘s specifications at all times. MEYLE Platinum Disc: When installing new brake components, observe the All-new finish. No degreasing. following: Fit and go. > Always replace brake pads along with brake discs. > Always replace all brake discs and pads per axle. All MEYLE brake discs come as ready-to-mount assemblies, most of > Be careful to bed in new brake discs and pads properly. them featuring the locating screw. They do not require degreasing > Avoid unnecessary heavy braking on the first 200 kilometres. and are resistant to rim cleaners. Cutting-edge paint technology > Brake performance may be lower on the first 200 driven made in Germany provides MEYLE Platinum Discs with long-term kilometres. anti-corrosion protection while adding a brilliant appearance. Further refinement of the tried-and-tested MEYLE finish has led to Check for functional reliability after installation: environmentally-friendly production processes. > Pump brake pedal until it becomes stiff. > Pedal travel must not vary at constant pedal load after pedal has MEYLE Platinum Discs – the safety solution engineered by one been depressed several times. of the industry‘s leading experts in coated brake discs. > Check wheels for free rotation. > Check brake fluid level in expansion tank and top up, if required. -
Development of Active Air Suspension System for Small Agricultural Vehicles
Big Data In Agriculture (BDA) 2(2) (2020) 41-46 Big Data In Agriculture (BDA) DOI: http://doi.org/10.26480/bda.02.2020.41.46 ISSN: 2682-7786 (Online) CODEN: BDAIDR RESEARCH ARTICLE DEVELOPMENT OF ACTIVE AIR SUSPENSION SYSTEM FOR SMALL AGRICULTURAL VEHICLES Kamran Ikrama, Yasir Niaza, Shanawar Hamida, Muhammad Usman Ghanib, Muhammad Zeeshan Manshad, Muhammad Adnan Bodlaha, Muhammad Nadeemb,f, Muhammad Mubashar Omarb, Faizan Shabira, Muhammad Mohsin Waqasa*, Hassan Arshadc, Robeel Alic, Ghulam Yasine, Shoaib Hassanc, M. Bilal Akramc a Departmennt of Agricultural Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan. Pakistan b University of Agriculture, Faisalabad, Pakistan c Department of Mechanical Engineering, IEFR, Pakistan d Department of Plant Pathology, College of Agriculture BZU, Bahadur Sub-campus Layyah, Pakistan e Department of Forestry and Range Management, BZU, Multan, Pakistan f Department of Engineering, Faculty of Agriculture, Dalhousie University, Canada *Corresponding Author Email: [email protected] This is an open access article distributed under the Creative Commons Attribution License CC BY 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited ARTICLE DETAILS ABSTRACT Article History: Air ride suspension carries the load on each axle with a pressurized air bag just as a high pressure balloon. This system provides the smoothest and most shock free ride of any of the known vehicle suspension system. Received 11 January 2020 An air suspension includes a multiple air spring assemblies that each includes a piston airbag and a primary Accepted 13 February 2020 airbag mounted over the piston airbag. -
Multi-Axle Air Suspension System for a Vehicle
Europaisches Patentamt European Patent Office Office europeen des brevets (g) Publication number: 0 435 587 A2 12 EUROPEAN PATENT APPLICATION @ Application number : 90314050.7 © Int CI.5 : B60G 5/00, B60G 11/27, B60G 17/052 (22) Date of filing : 20.12.90 (So) Priority : 23.12.89 GB 8929185 @ Inventor : Griffiths, Paul John 13 East Green, Sealand Manor, Sealand Deeside, Clwyd, CH5 2SG, Wales (GB) (43) Date of publication of application : 03.07.91 Bulletin 91/27 @ Representative : Spall, Christopher John et al BARKER, BRETTELL & DUNCAN 138 Hagley @ Designated Contracting States : Road BE DE DK ES FR IT NL Edgbaston Birmingham B16 9PW (GB) (71) Applicant : RUBERY OWEN-ROCKWELL LIMITED P.O. Box 10, Booth Street, Darlaston Wednesbury West Midlands WS10 8JD (GB) (3) Multi-axle air suspension system for a vehicle. @ A multi-axle air suspension system for a tipping vehicle having towards its near a rear axle (7'") and at least one other axle (7", T) forward of the rear axle, provides selective over-riding of the normal load equalising system between the axles during tipping so as to alleviate hogging bending moments on the vehicle's chassis. A selectively operable pressure reducing valve (41) is in circuit with a pressure air source, air springs (7C, 8C) of the rear axle (7"') and with first and second valves (23, 32), selectively operated by a third valve (39), which are in circuit with the air springs (7C, 8C ; 7B, 8B ; 7A, 8A) of the rear axle (7"') and the other axle(s) (7", 7). Operation of the first and second valves (23, 32) isolates the air springs (7C, 8C) of at least the rear axles (7"') from those of the other axle or axles (7", 7') and connects the pressure reducing valve (41) to the latter air springs (7B, 8B ; 7A, 8A) so as to lower the air pressure in those air springs. -
Active Air Suspension System
IJSRD - International Journal for Scientific Research & Development| Vol. 6, Issue 05, 2018 | ISSN (online): 2321-0613 Active Air Suspension System Suchit Naresh Moon Department of Mechanical Engineering Nagpur Institute of Technology, India Abstract— Air ride suspension carries the load on each axle with a pressurized air bag just as a high pressure balloon. This system provides the smoothest and most shock free ride of any of the known vehicle suspension system. An air suspension includes a multiple air spring assemblies that each includes a piston airbag and a primary airbag mounted over the piston airbag. The primary and piston airbags each have a variable volume that is controlled independently of the other for active suspension control. Air ride system provides some important following features: 1) The system automatically adjusts air pressure in the air bag so that the trailer always rides at the same height, whether lightly loaded or heavily loaded. 2) The higher air bag pressure associated with higher trailer loads automatically provides a stiffer suspension which is required for a smooth ride. 3) The lower air bag pressure for lightly loaded conditions automatically provides for a softer suspension, thus providing the same ride quality for all trailer loading conditions. Since each axle is independently supported by its own air bag, Fig. 1: Locating Suspension Units the air ride suspension is known as fully independent suspension system. The automatic control of the air bag II. FULLY ACTIVE SUSPENSION SYSTEM pressure is accomplished by a solid state electronic control system specifically designed and packaged for vehicle use. Active suspension system has the ability to response to the This system continuously checks the ride height of the vertical changes in the road input. -
Cars • Chassis & Active Safety Systems Suspension Systems in Model 164
Cars • Chassis & active safety systems Suspension systems in model 164, 221, 251 Specialist training Information module Cars • Chassis & active safety systems Suspension systems in model 164, 221, 251 Specialist training Information module r As at 12/05 This document is intended solely for use in training and is not subject to regular updating. Printed in Germany Note: © 2005 Copyright DaimlerChrysler AG The term »employees« does not imply any preference of gender and incorporated male and refers to maler Publisher: Global Training and female employees alike. This document with all its sections is protected under the laws of copyright. Its use for any purpose whatsoever requires the prior written consent of DaimlerChrysler AG. This applies in particular to its reproduction, distribution, modification, translation, recording on microfilm or storage and/or processing in electronic systems, including databases and on-line services. 1511 1724 02 - 1st Edition 12.05 42 As at 12/05 Content 11.01.2006 Title Page Suspension <> AIRmatic ..................................................................................................................................................................................................................... 1 AIRmatic W221 Signal Path / Block Diagram ..................................................................................................................................................................................... 2 AIRmatic W221 Level Stages............................................................................................................................................................................................................. -
Adaptive Brake by Wire from Human Factors to Adaptive Implementation
UNIVERSITY OF TRENTO Doctoral School in Engineering Of Civil And Mechanical Structural Systems Adaptive Brake By Wire From Human Factors to Adaptive Implementation Thesis Tutor Doctoral Candidate Prof. Mauro Da Lio Andrea Spadoni Mechanical and Mechatronic Systems December 2013 - XXV Cycle 1 Adaptive Brake By Wire From Human Factors to Adaptive Implementation 2 Adaptive Brake By Wire From Human Factors to Adaptive Implementation Table of contents TABLE OF CONTENTS .............................................................................................................. 3 LIST OF FIGURES .................................................................................................................... 6 LIST OF TABLES ...................................................................................................................... 8 GENERAL OVERVIEW .............................................................................................................. 9 INTRODUCTION ................................................................................................................... 12 1. BRAKING PROCESS FROM THE HUMAN FACTORS POINT OF VIEW .................................... 15 1.1. THE BRAKING PROCESS AND THE USER -RELATED ASPECTS ......................................................................... 15 1.2. BRAKE ACTUATOR AS USER INTERFACE ................................................................................................. 16 1.3. BRAKE FORCE ACTUATION : GENERAL MOVEMENT -FORCE DESCRIPTION ...................................................... -
BRAKING PERFORMANCE of AIR SUSPENDED CONVERTER DOLLIES Mr
Pages 319-335 BRAKING PERFORMANCE OF AIR SUSPENDED CONVERTER DOLLIES Mr. Scott McFarlane and Dr. Peter Sweatman Roaduser Research Pty Ltd ABSTRACT In 1996 the National Road Transport Committee (NRTC) released a national heavy vehicle axle Mass Limit Review (MLR). The MLR recommended an axle mass increase for axle groups suspended by road-friendly air-suspension. For an air-suspension to be classified as Road Friendly it is required to have a bounce frequency below 2.0Hz and have damping greater than 20% of critical. It is also a requirement that the suspension group achieves load sharing within 5%. Air suspended converter dollies have become popular in Australia, particularly the triaxle type. Triaxle dollies offer a productivity benefit of between 2.5 and 4.5 tonne when compared to a tandem converter dolly. There was concern that the increased mass offered to air-suspended dollies would significantly affect the performance of road trains under braking. The Roaduser Autosim Truck Engineering Dynamics (RATED) computer simulation models were used to simulate the performance of hinged and rigid drawbar tandem and triaxle dollies under braking. The results from the simulation showed that an air-suspended tandem converter dolly could pitch significantly under braking when compared to mechanically suspended dollies. Triaxle air suspended dollies were found to pitch somewhat less than the tandem air-suspended dolly and generated a lower longitudinal force in the coupling. This indicated that the triaxle dolly has better brake balance and should be encouraged by allowing the weight increase. Rigid drawbars on converter dollies reduce the amount of dolly pitch and hence have better brake balance. -
OFFROAD Suspension Systems
SUSPENSION SYSTEMS making everyday smoother • Increased comfort • Better driveability • More safety OFFROAD Increased comfort Driving on what are usually poor roads or off-road stretches demands a lot of the driver and the vehicle. A good air suspen- sion system minimises noise levels inside the vehicle and ensu- res a relaxing journey. Goods that are sensitive to shock are transported gently. Better driveability The constant ride height guaranteed by VB-FullAir suspension means your vehicle remains stable and responds to steering A safe and comfortable journey inputs as you expect. The dual channel control system ensures Everything under control with suspension systems from VB-Airsuspension your vehicle remains level and reduces body roll. Start the day relaxed More safety The day starts well; after loading you climb into your vehicle It’s therefore very important that your vehicle and its The (air) suspension systems from VB-Airsuspension improve in a relaxed frame of mind. suspension are in good shape. vehicle stability in crosswinds, when cornering and when What you gain: Away you go, fully loaded, and that’s when the stress levels evasive action, for example, is necessary. ✓ Constant ride height start to rise. A comfortable and properly working suspension Hidden, but effective ✓ Prevents off-centre level can make all the difference to your working day, so you’re A good suspension is hidden underneath your vehicle. You can’t ✓ Less body roll just as relaxed at the end of it as you were in the morning. see it, but it’s essential if you’re to enjoy a comfortable and safe ✓ Increased comfort journey. -
Anti-Lock Brake System (ABS)
Anti-lock Brake System (ABS) Anti-lock Brakes (US:EX, Canada: EX-R) Your car is equipped with an Anti-lock Braking System (ABS). This system helps you to maintain stopping and steering control. It does this by helping to prevent the wheels from locking up during hard braking. The ABS is always "ON." It requires no special effort or driving technique. You will feel a pulsation in the brake pedal when the ABS activates. Activation varies with the amount of traction your tires have. On dry pavement, you will need to press on the brake pedal very hard before you feel the pedal pulsation, that means the ABS has activated. However, you may feel the ABS activate immediately if you are trying to stop on snow or ice. Under all conditions, the ABS is helping to prevent the wheels from locking during hard braking so you can maintain steering control. You should continue to press on the brake pedal with the same force. You may feel a slight movement of the brake pedal just after you start the engine. This is the ABS working. The ABS is self-checking. If anything goes wrong, the ABS indicator on the instrument panel comes on (see ABS page 45). This means the Anti-lock function of the braking system has shut down. The brakes still work like a conventional system providing normal stopping ability. You should have the dealer inspect your car as soon as possible. The ABS works by comparing the speed of the wheels. When replacing tires, use the same size originally supplied with the car. -
Knowing Your Chassis V2
1 2 3 4 5 Top 10 attributes customer desire in a diesel motorhome chassis: 1. Reliability of the chassis 2. Chassis warranty 3. Stable ride 4. Overall driving comfort 5. Confident handling 6. Reputation of the service network 7. Reputation of the chassis manufacturer 8. Durability of parts 9. Responsiveness of company to customers 10. Number of authorized service locations 6 7 All warranties are comppyletely transferable www.freightlinerchassis.com 8 9 10 www.freightlinerchassis.com 11 12 Are you in this picture? Are you enjoying the many benefits the FCOC has to offer? Join today! Come visit the FCCC display after the seminar 13 Topics include: Air brake system Electrical system Maintenance intervals Weight distribution Vehicle storage guidelines Much much more! Contact: Debbie Moore at 864-206-8267 or via Email at [email protected] Or register on-line at: www.freightlinerchassis.com Click on “Motorhome” Click on “Owner Info” tab to register 14 We are Driven By You - our customer! 15 •CttIfContact Informa tion •Tire Care •Weight Distribution •Allison Transmission •Air Brake System •Pre-Trip Inspection •Reference Material 16 Visit our web site at www.freightlinerchassis.com 17 18 19 Tire Care The most important factor in maximizing the life of your tires is maintaining proper inflation pressure. An under-inflated tire will build up excessive heat that may go beyond the prescribed limits of endurance of the rubber and the radial cords. Over inflation will reduce the tire's footprint on the road, reducing the traction, braking capacity and handling of your vehicle. An over-inflated tire will also cause a harsh ride, uneven tire wear and will be more susceptible to impact damage. -
2018 GMC SIERRA DENALI (1500) FAST FACT Sierra Denali Customers' Number One Reason for Purchase Is Exterior Design. BASE PRIC
2018 GMC SIERRA DENALI (1500) FAST FACT Sierra Denali customers’ number one reason for purchase is exterior design. BASE PRICE $53,900 (2WD – incl. DFC) EPA VEHICLE CLASS Full-size truck NEW FOR 2018 • Exterior colors: Quicksilver Metallic and Red Quartz Tintcoat • Tire pressure monitor system now includes tire fill alert VEHICLE HIGHLIGHTS • Sierra Denali is offered exclusively as a crew cab in 2WD and 4WD models, with a 5’ 8” box or 6’ 6” box (6’ 6” box only with 4WD) • Standard LED headlamps with GMC signature LED daytime running lights, thin-profile LED fog lamps and LED taillamps • Signature Denali chrome grille, unique 20-inch wheels, 6-inch chrome assist steps, unique interior decorative trim, a polished stainless steel exhaust outlet, body-color front and rear bumpers and a factory-installed spray-on bed liner with a three-dimensional Denali logo • High-tech interior with an exclusive 8-inch-diagonal Customizable Driver Display – with unique Denali-themed screen graphics at start-up – that can show relevant settings, audio and navigation information in the instrument panel • Denali-specific interior details include script on the bright door sills and embossed into the front seats, real aluminum trim, Bose audio system, heated and ventilated leather-appointed front bucket seats, heated steering wheel and a power sliding rear window with defogger • Denali Ultimate Package is available on 4WD models and includes 6.2L engine, 22-inch aluminum wheels, power sunroof, trailer brake controller, tri-mode power steps and chrome recovery hooks • 8-inch-diagonal Color Touch navigation radio with GMC Infotainment includes Apple CarPlay and Android Auto phone projection capability • Available 4G Wi-Fi hotspot (includes three-month/3GB data trial) • Heated and ventilated, perforated leather-trimmed front seats • Heated, leather-wrapped steering wheel • Teen Driver • Wireless charging • Magnetic Ride Control is standard. -
SUSPENSION SYSTEMS Making Everyday Smoother
SUSPENSION SYSTEMS making everyday smoother VB-AIRSUSPENSION, THE IDEAL SOLUTION FOR ANY (SUSPENSION) PROBLEM. Product selection assistance Find the perfect solution for you! Product selection assistance I INTRODUCTION 03 TABLE OF CONTENTS 3 INTRODUCTION 5 ABOUT US 7 PRODUCT GROUPS 9 TROUBLESHOOTING WE MAKE EVERY Table 1: Which product group? 11 FULL AIR SUSPENSION JOURNEY A GOOD Table 2: Find the perfect solution for you! 13 VB-NIVOAIR ONE. 15 VB-FULLAIR 2C A good suspension system must provide both spring force and damping, so that the vehicle feels both stable and comfortable to drive. In 17 VB-FULLAIR 4C order to achieve this, each vehicle is fitted with suspension (coil spring suspension, leaf suspension or torsion bar suspension) and shock absorbers. The suspension under the vehicle ensures that passengers and/or the cargo do not feel every bump in the road surface. The 19 VB-ACTIVEAIR shock absorbers dampen the movement of the suspension; without shock absorbers, the vehicle would continue to pitch and roll. 21 SEMI AIR SUSPENSION Unfortunately, the standard suspension fitted to your vehicle often does not provide optimum comfort. If the level of comfort does not Table 3: Find the perfect solution for you! meet your expectations, it can leave you feeling dissatisfied. We offer a suitable solution for every (suspension) problem to help resolve this dissatisfaction. Our innovative air suspension systems and suspension applications help to ensure optimum ride comfort, increased 23 VB-SEMIAIR BASIC SYSTEM stability and greater safety, so that you can enjoy a safe and worry-free journey and be more satisfied with your vehicle.