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KEL-VIVA Universal grinding machine for the most Demanding Applications KEL-VIVA The innovative grinding system 2 2 different wheelheads UR-wheelhead R-wheelhead Wheelhead with ﬁxed intermediate section B-axis KEL-SET automatic grinding wheel measuring system (option) Heidenhain control system GRINDplusIT Windows 2000 2-processors control system C-axis for unround components and threads (option) Hydrostatics X- and Z-guideways no stick slip good damping Scale on upper table for setting-up of table assemblies metric imperial Prepared connecting plates for table ﬂooding for diamond cooling for stabilizing of measuring unit Flushing of base pan for good conveyance of grinding dust prevents dirt deposits Precision with hydrostatics These CNC universal cylindrical grinding machines have been developed to satisfy the highest demand for quality. Intensive application studies and the use of stateof-the-art technology in development and production have resulted to this universal grinding machine. Hydrostatic guideways and a strict separation of the machine base from the assemblies, generating heat or vibration, provide superb precision and productivity. The excellent static and dynamic rigidity of the machine base permits a three-point set-ut. The KEL-VARIA therefore has no particular requirements on the building’s...
In recent years the demands for precision machining of gears in automobile transmissions, for low noise and vibrations, has been ever increasing. Historically, conventional finish machining of gears was a pre-heat treatment operation typically by shaving. However, the requirement for higher precision forced a shift toward a post heat treatment operation using a generating process, which eliminates thermal distortion, thus enabling high quality and precision. The Mitsubishi ZE15A gear-grinding machine was duly developed for the high production line applications and launched into a domestic market typically dominated by European machines. (3) Ease of use for the user achieved via interactive dialog functions and full CNC control of all axes. This paper describes the principle of grinding and control for the ZE15A before presenting some machining examples.
Rhode Island College Anchor Notes The Official Newsletter of Rhode Island College Intercollegiate Athletics www.ric.edu/athletics Vol. VIII No. 4 Providence, Rhode Island Spring Review/Summer Preview June, 2007 Anchor Club Golf Day Set for July 16 The seventh Annual Anchor Club Golf Day is taking place July 16th at Pawtucket Country Club. This event will be a great opportunity to reunite with fellow Anchor faithful and celebrate the past and the future of RIC Athletics - foursomes are still available! For more information on attending, or if you are interested in being a sponsor for this event contact Tim McCabe at 401-456-8260 or see the brochure at www.ric.edu/ athletics/index.html. The cost is $165 per golfer, which includes green fees with a “play your own ball” format, lunch, gifts, dinner stations and a social hour. Lunch and registration begin at 11:30 a.m. followed by a shotgun start at 12:45 p.m. A reception with food stations will be held after at 6:30 p.m. with prizes and raffles at 7 p.m. This is one you don’t want to miss! Register today.
JANE WILLIAMS, PhD, RN Dean and Professor of Nursing School of Nursing, Rhode Island College 600 Mt. Pleasant Avenue, Providence, RI 02908 TEL: 401 456-9608: FAX: 401 456-8206 Email: email@example.com CURRENT EMPLOYMENT Rhode Island College, Dean and Professor of Nursing, School of Nursing, 1975-present; initial appointment as assistant professor, 1975; appointed Professor, 1995, Department Chairperson, 2000, and Dean, 2007. EDUCATION University of Rhode Island, College of Nursing, Kingston, Rhode Island, Ph.D., Nursing, 1995. New York University, School of Education, New York, New York, M.A., Major in Education and Minor in Nursing, 1968; University of Michigan, School of Nursing, Ann Arbor, Michigan, B.S.N. with Distinction, 1966. PUBLICATIONS Williams, J., Brumbaugh, M. & Vares, L., (2006), “Education to improve interdisciplinary practice of health care professionals: A pilot project”, Medicine & Health, Rhode Island, 89 (9), p. 312-313. Mosser, N., Williams, J. & Wood, C. (2006), “The use of progression testing throughout nursing programs: How two colleges promote success on NCLEX-RN”. Annual Review of Nursing Education. Vol.4, p. 305-319. Newman, M. and Williams, J. (2003) "Educating Nurses in Rhode Island: A lot of diversity in a little place", Journal of Cultural Diversity, Vol. 10, No. 3, p. 91-95. Williams, J., (2001) “The Clinical Notebook: Using Student Portfolios to Enhance Teaching and Learning, Journal of Nursing Education. Vol. 40, p. 135-137. Ferszt, G., Massotti, E., Miller, J. & Williams, J. (2000) “Art on Rounds: Research Study of an in-patient oncology unit”, Illness Crisis and Loss. Vol. 8, No. 2, pp. 189-199. Williams, J. (1999) “When Interns Meet Managed Care” [Letter to the Editor]. New York Times, p. 30A. Williams, J., Wood, C., & Cunningham-Warburton, P. (1999) “A Narrative Study of Chemotherapy-Induced Alopecia”. Oncology Nursing Forum. Vol. 26, pp. 1463-1468. Willliams, J. (1999) “Health Policy Tool Kit Helps Students to Get Involved”. ONS Newsletter, 14 (9) p 5.
(2) Four brake booster installation nuts A: REMOVAL 1) Remove or disconnect the following parts in the engine compartment. (1) Disconnect the connector of brake fluid level gauge. (2) Remove the brake pipe from the master cylinder. (3) Remove the master cylinder installation nut. (1) CAUTION: In order to prevent the contact of the bracket and check valve, be sure to loosen the master cylinder mounting nut while holding the bracket with hand. Otherwise it may deform the bracket. (1) Check valve (2) Bracket (4) Disconnect the vacuum hose from brake booster. 2) Remove the following parts from the pedal bracket. (1) Snap pin and clevis pin Nut Clevis pin Snap pin Operating rod Brake pedal 3) Remove the brake booster while avoiding the brake pipe. NOTE: • Make sure that the booster shell and vacuum pipe are not subject to strong impacts. • Be careful not to drop the brake booster. If the booster is dropped, replace it. • Use special care when handling the operating rod. If excessive force is applied to the operating rod, the angle may change by r3°, and it may result in damage to power piston cylinder. • Be careful when placing the brake booster on floor. • Do not change the push rod length. CAUTION: • Do not disassemble the brake booster.
Fifty percent less pedal force I n most of the models of the 1950s and 1960s, Mercedes-Benz provided a power brake booster manufactured by ATE. The booster does not pro- vide additional braking capacity, a common misconception, but rather reduces the pedal force required for braking. The power brake is a vacuum-assisted hydraulic component using the pressure difference between engine intake manifold vacuum and atmospheric pressure for its operation. The power unit increases the pressure created physically in the brake master cylinder so that the same braking effect can be produced with less pedal effort. With a brake booster installed, the pedal force required for braking is reduced by 50 percent. The ATE T50 Brake Booster uses vacuum to “boost” the hydraulic brakeline pressure. The booster contains a hydraulic cylinder, a large vacuum piston that presses against the hydraulic cylinder, and a control circuit that regulates the vacuum flow based on brake-line pressures. This technology had been well proven since the early 1900s, and the T50 has been exceptionally reliable over many years of use. The Booster in action The power booster is a very simple design requiring only a vacuum source to operate. In gasoline-engine cars, the engine provides a vacuum suitable for the boosters. Because diesel engines do not produce a vacuum, dieselpowered vehicles must use a separate vacuum pump. A vacuum hose from the intake manifold on the engine pulls air from both sides of the diaphragm when the engine is running. When the driver steps on the brake pedal, the input rod assembly in the booster moves forward, blocking off the vacuum port to the backside of the diaphragm and opening an atmospheric port that allows air to enter the back chamber. Suddenly, the diaphragm has vacuum pulling against one side and air pressure pushing on the other. The result is forward pressure that assists in pushing the input rod, which in turn pushes the piston in the master cylinder. The amount of power assist that’s provided by the booster depends on the size of the diaphragm and the amount of intake manifold vacuum produced by the engine. A larger diaphragm will increase the boost.
Introduction Everybody knows that when you press your foot on the brake pedal the vehicle is supposed to stop. But how does the pressure from your foot get to the wheels with enough force to stop a heavy vehicle? In the following sections, we will study the systems and components required to allow brakes to work effectively. Course Objectives Upon completion of this course, technicians should understand and be able to apply their knowledge of: • • • • • • • • • • • • Brake functions and components Split hydraulic systems Master cylinder operations Balance control systems Power brake booster systems Disc brake operation Micrometer reading Drum brake operation Brake fluids Brake bleeding operations Brake lines and hoses Basic diagnosis Using the Job Sheets As you proceed through the online module, on some pages you will find links that will open a window with a printable procedure or job sheet containing hands-on lab activities based on the NATEF standards related to the content you are studying. When you come upon a procedure or job sheet link, click on it and print the job sheet for completion in the shop. See your instructor for guidance in completing the job sheets. Some jobs sheets will require supplemental materials such as a vehicle service manual, equipment manual, or other references. Brake System Functions Automotive brakes are designed to slow and stop a vehicle by transforming kinetic (motion) energy into heat energy. As the brake linings contact the drums/rotors they create friction which produces the heat energy. The intensity of the heat is proportional to the vehicle speed, the weight of the vehicle, and the quickness of the stop. Faster speeds, heavier vehicles, and quicker stops equal more heat. Automotive brake systems can be broken down into several different sub-systems (fig. 1): • Apply system • Boost system • Hydraulic system • Wheel brakes • Balance control system • Warning system (fig. 1) Base Brake Systems .
The clutch master cylinder is a device that transforms mechanical force into hydraulic pressure. As the driver presses the clutch pedal, the pedal lever applies force to the clutch master cylinder which transmits hydraulic pressure to the clutch release (slave) cylinder that disconnects engine power to the transmission. Structure and Components [Conventional Type] Inlet Union Oil Spill Hole Aluminum Body Flare Nut Pipe Joint Boot Spring Primary Cup Resin Piston Push Rod Rel Secondary Cup Spring Metallic Clevis Damper Stud Bolt The clutch master cylinder structure consists of the piston, cups, and springs, built within a precision machined body. The primary cup, positioned on the leading side of the body, functions to create hydraulic pressure when fluid is forced inside by the piston. Located on the trailing side is the secondary cup, which guides the piston and prevents fluid from leaking. When the clutch pedal is pressed, the primary cup is blocked away by the piston from the oil spill port leading to the reservoir tank, pressure in the cylinder rises as the fluid is fed through the pipeline. When the clutch pedal is released, the hydraulic pressure and the force of the return spring pulls back the piston to relieve fluid back into the reservoir. The clutch master cylinder is what provides the necessary force to control the application of drivetrain power. 2 Clutch Master Cylinder Variations Clutch Master Cylinder Variations Conventional Port-less Type Stand Alone / Integrated Reservoir Type Types With and Without Stud Bolts Types With and Without Clevis Damper Types With and Without Clutch Booster ...
TABLE OF CONTENTS General Information 2-4 Using the Worldwide Timetable 5 Global Alliance and Airline Partners 6-7 Flight Schedules 8 -143 Train Schedules 144 U.S. Offices 145 - 149 International Offices 150 - 154 Service Highlights New Service Atlanta 1 roundtrip November 1 Palm Springs 1 roundtrip December 1 Jackson Hole 1 roundtrip December 14;Sat/Sun service only 2 roundtrips December 1 St. Thomas 1 roundtrip November 1 Ft. Myers DOMESTIC RESERVATIONS Montego Bay 1 roundtrip November 1 Salt Lake City Jackson Hole Additional Service Atlanta 800-221-1212 Delta Express Additional Service INTERNATIONAL RESERVATIONS Islip From U.S., Puerto Rico, Virgin Islands 800-241-4141 From Canada 800-221-1212 Ft. Lauderdale 1 roundtrip November 1 New York (JFK) 800-511-9629 RESERVATIONS IN JAPANESE 800-327-2850 DELTA EXPRESS 866-2 FLY DLX DELTA SHUTTLE 800-933-5935 DELTA VACATIONS™ 800-872-7786 ARRIVAL/DEPARTURE 800-325-1999 CARGO BOOKING, TRACKING/TRACING 800-DL-CARGO DELTA DASH 800-DL-CARGO SKYMILES INFORMATION 800-323-2323 BAGGAGE 800-325-8224 HEARING AND SPEECH IMPAIRED 800-831-4488 Telephone numbers in this publication are subject to monitoring for quality control purposes. 2 roundtrips November 1 Orlando RESERVAS EN ESPAÑOL Ft. Lauderdale 1 roundtrip November 1 General Information General Information continued DELTA PROGRAMS AND SERVICES SAFETY
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