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Raybestos Adds New Friction, Rotor, Hydraulics Coverage
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By 袁春凤 (Tiffany)
The phenomenon that two objects move relative to each other to produce motion resistance between their contact surfaces is called friction, which is called friction. The existence of friction not only increases the power consumption, but also causes the wear of parts' contact surfaces. Therefore, lubricating oil is usually used between the relative moving surfaces of automobile parts to reduce friction. Failure of automotive parts 75% is caused by friction.
Friction can be divided into dry friction, liquid friction, boundary friction and mixed friction according to the lubrication state of the parts.
(1) dry friction
The friction between the frictional surfaces without any lubricating medium is called dry friction.
When the parts are in the state of dry friction, the surface of the parts is abraded sharply, so the surface of the moving parts of the automobile should avoid the occurrence of dry friction as far as possible.
Dry friction and boundary friction are the main friction between the upper part of cylinder wall and piston ring. Dry friction will occur when the journal and bearing are subjected to impact load in the working process.
(2) liquid friction
Two the friction of the friction surface when the lubricant is completely separated is called liquid friction.
In liquid friction, the two friction surfaces are completely separated by a layer of lubricating oil film with a thickness of 1.5-2.0um, which avoids direct contact between the working surfaces of the two parts. Friction only occurs between the lubricating fluid molecules, so the friction resistance is very small, and the wear of the parts is very slight.
Most of the relative motion parts of a car are carried out under the condition of liquid friction (for example, crankshaft and bearing).
(3) boundary friction
Two friction surface separated by a very thin boundary film is called boundary friction.
The oil film thickness is usually below 0.1um. Friction only occurs between the outer molecules of the boundary film, reducing the friction and wear of the parts. But its thickness is very small, and it is easy to be destroyed by impact and high temperature, so it is not as reliable as liquid friction.
For example: between cylinder wall and piston ring; if the work crankshaft and journal between the insufficient supply of lubricant, easy to produce boundary friction.
(4) Mixed friction
The friction between two friction surfaces in the presence of dry friction, liquid friction and boundary friction is called mixed friction.
In the actual working state, the parts usually work under the mixed friction state, and the friction state varies with the working conditions.
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By Counterman
link hidden, please login to viewannounced a new software update for the ADS/ADSX scan tool lineup. The Version 5.19 update boasts 5,000 new special tests and system applications, expands model year 2024 vehicle coverage and offers additional ADAS calibration capabilities, the company said. In a news release,
link hidden, please login to viewexplained that ADS 525X and 625X users are now able to unlock secure gateway-equipped Hyundai/Kia/Genesis vehicles. Certain functions, like ADAS calibrations, are protected by OEM secure-gateways and require unlocking. The update allows users to seamlessly and securely unlock functionality to Hyundai/Kia/Genesis SGW-equipped vehicles. Version 5.19 expands 2024 model coverage with DTC, data support and bi-directional functions including:
Genesis* – Electrified G80, Electrified GV70, G70, G90, GV60 GMC – Savana 4500 Hyundai* – Ionic 5, Ionic 6, Kona, Kona Electric, Palisade, Sante Fe, Sonata, Tucson Kia* – Carnival, EV6, EV9, Niro, Niro EV, Seltos, Sorento, Soul, Sportage Lexus – GX550, LS500, RZ450e, TX350, TX500h, TX550+ Mitsubishi – Outlander PHEV Toyota – Grand Highlander, Tacoma *ADS 525X/625X only for bi-directional functions for Hyn/Kia/Gen
The new update additionally offers new ADAS calibration coverage for the following models:
2016 Coverage: Volkswagen – Golf R 2022 Coverage: Porsche – Cayenne 2023 Coverage: Lexus – LX600 Porsche – Cayenne, Macon 2024 Coverage: Chevrolet – Silverado 2500HD, Silverado 3500HD Ford – F-150, Mustang, Mustang Mach-E, Police Interceptor Genesis* – Electrified G80, Electrified G80, GV70, G70, GV60 GMC – Savanna 4500 Hyundai* – Ionic 5, Tucson Kia* – Carnival, EV6, Niro, Niro EV, Soul, Sportage Lexus – LX600 *ADS 525X/625X only for bi-directional functions for Hyn/Kia/Gen
**All Dynamic ADAS calibrations are included in standard ADS Tool Subscription. Static calibrations that require ADAS targets and fixtures require additional ADAS Subscription used with ADS 625/625X.
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By Counterman
link hidden, please login to view announced its Pass Thru Assistant (PTA) has been enhanced by the addition of a repair guidance feature. Not only does the Pass Thru Assistant provide J2534 programming support, but it now also allows automotive repair and collision technicians to access a repair guidance specialist to get help with fixing complex problems to complete the repair in house, the company explained in a news release. “If you’re an automotive repair or collision shop looking for programming and repair guidance help, the Snap-on Pass Thru Assistant is making it easier than ever to keep vehicles in the shop, finish the job correctly, and increase profits and customer satisfaction,” said Helen Cox, marketing and client services director, Snap-on Diagnostics.
link hidden, please login to view said by selecting the request repair guidance menu option and completing the on-screen fields, technicians will receive a confirmation text and then a call from a repair guidance specialist to walk them through the repair process on vehicles, including Acura, Alfa Romeo, Audi, BMW, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Honda, Hyundai, Infiniti, Jaguar, Jeep, Kia, Land Rover, Lexus, Lincoln, Mercedes-Benz, Mercury, Mini, Nissan, Plymouth, Porsche, RAM, Scion, Smart, Sprinter, Subaru, Toyota, Volkswagen and Volvo. According to the company, the PTA kit contains a Windows tablet PC, J2534 device, 4G modem and a 90-amp battery maintainer capable of handling European amperage requirements.
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By Counterman
Gabriel announced the launch of its all-new website on
link hidden, please login to view., which the company said, “offers a modern user-friendly experience with fresh SEO-enriched content, vivid product images, a vast video library, online & retail dealer locators, mobile friendly interface and easy to navigate structure.” In a news release, Gabriel also announced the launch of its new centralized Part Finder. In addition to traditional search capabilities by vehicle year/make/ model, Gabriel’s new website part finder also offers extensive search capabilities based on OEM, competitors or Gabriel part numbers, and now includes part position on the vehicle such as front, rear, or cab shock positions, the company said.
“Our new website reflects Gabriel’s customer focus and commitment to providing the best ride control products, quality content, and premium service available in today’s market,” says Jennifer McKheen, Gabriel’s vice president and general manager. “As the ride control industry experts, Gabriel is excited to launch this website as the foundation for exceptional service and our successful journey in digital growth.”
The company added that quick links are easily available for each of Gabriel’s social media accounts, encouraging customers to easily keep up with Gabriel’s social posts and events in the digital landscape.
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