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Making Hydraulic Hose
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By OReilly Auto Parts
Brake line and brake hose wear out over time. Steel brake line corrodes, and rubber brake hose becomes less flexible over time ...
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By OReilly Auto Parts
Is a droopy hatch giving you a headache? Then you've got bad lift supports. Not only are your lift supports simple to replace, but ...
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By quadmaniac
So this is pretty interesting and seems that after Tesla grew, the electric car movement is starting to take greater shape.
A few interesting articles on Volvo's announcement this week.
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By Erica Zhu Feilong Jiangli
The greater the damping force of the shock absorber, the faster the vibration is reduced, but the effect of the parallel elastic elements can not be fully exerted. At the same time, the excessive damping force may also lead to damage to the connecting parts and frame of the shock absorber. In order to solve this contradiction between elastic elements and shock absorbers, the following requirements are put forward for shock absorbers.
(1) In the compression stroke of the suspension, the damping force of the shock absorber should be small so as to make full use of the elasticity of the elastic elements to mitigate the impact.
(2) In the suspension stretching stroke (the distance between the bridge and the frame) the damping force of the shock absorber should be large in order to reduce the vibration rapidly.
(3) When the relative speed between the axle (or wheel) and the frame is too high, the shock absorber should be able to automatically increase the area of the liquid flow passage, so that the damping force is always within a certain limit to avoid excessive impact load.
Cylinder shock absorber is widely used in automobile suspension system, and it can reduce vibration in compression and stretching stroke. It is called bidirectional action shock absorber, and a new type of shock absorber is adopted, which includes air-filled shock absorber and resistance adjustable shock absorber.
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By Teddy
Interesting article:
link hidden, please login to view Japanese auto suppliers such as Denso, Toyota's biggest supplier, and DaikyoNishikawa are working to manufacture auto parts from wood pulp Material made from wood pulp weighs just one fifth of steel and can be five times stronger, researchers said The global push among carmakers to make ever lighter vehicles is leading some auto suppliers in Japan to turn to what seems like an unlikely substitute for steel: wood. Japanese researchers and auto component makers say a material made from wood pulp weighs just one fifth of steel and can be five times stronger. The material, cellulose nanofibres, could become a viable alternative to steel in the decades ahead, they say, although it faces competition from carbon-based materials, and remains a long way from being commercially viable. Reducing the weight of a vehicle will be critical as manufacturers move to bring electric cars into the mainstream. Batteries are an expensive but vital component, so a reduction in car weight will mean fewer batteries will be needed to power the vehicle, saving on costs. "Lightweighting is a constant issue for us," said Masanori Matsushiro, a project manager overseeing body design at Toyota. "But we also have to resolve the issue of high manufacturing costs before we see an increased use of new, lighter-weight materials in mass-volume cars."
Researchers at Kyoto University and major parts suppliers such as Denso, Toyota's biggest supplier, and DaikyoNishikawa, are working with plastics incorporated with cellulose nanofibres - made by breaking down wood pulp fibres into several hundredths of a micron (one thousandth of a millimetre). Cellulose nanofibres have been used in a variety of products ranging from ink to transparent displays, but their potential use in cars has been enabled by the "Kyoto Process", under which chemically treated wood fibres are kneaded into plastics while simultaneously being broken down into nanofibres, slashing the cost of production to roughly one-fifth that of other processes.
link hidden, please login to view Reuters Staff | Reuters Wood chips and fibers are chemically treated before bring converted into cellulose nanofibers at a laboratory in Tokyo, Japan July 25, 2017.
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