Auto parts quality is very important in order to pass the test rim Sold

In addition to tires wheel safety regulations to regulate, the wheels also should not be listed until sold through testing, ARTC Automotive Research & Testing Center Department of Quality Components Division 顾耀宏 quality performance section chief, said the tires like a pair of running shoes, and the rim is the person's feet. Wheels currently on the market, has rarely rims, mostly light-alloy wheels, although light-alloy wheels with a lightweight fuel, cooling effect, vibration isolation and good, beautiful varied, recyclability High (ninety percent) of the environmental benefits and the like; but light-alloy wheels also has some disadvantages, such as crisp (elongation difference), the collision will break too hard, unlike most is deformed steel ring, quality and consistency is not easy to control , the price is high, about twice the rims of other shortcomings.

 

Guyao Hong pointed out, crisp and always a disadvantage light-alloy wheels can not be improved, therefore, only through strict testing standards, not poor quality light-alloy wheels into the market, consumers can check to ensure road safety by passers-by.

 

Current regulations require light-alloy wheels test required by the bending moment, thirteen of the impact test, the radial load test, not be listed until sold. Guyao Hong said three tests conditions are more stringent rim actual use, such as when the vehicle is responsible for the analog rim radial force to resist radial load durability test, it is to declare two manufacturers point of maximum load urging of 2.25 (approximately one thousand five hundred fifty-three kgf; general minibuses download full load, the average single wheel load is less than five hundred kgf), twenty hours of continuous testing, after the end of the rim of the body can not produce any harmful significant cracks or deformation, and the locking bolt torque required to maintain at least fifty percent of the original set torque.

 

Bending moment test is a simulation of the vehicle steering wheels rotating bending moment resistance durability simulation machine through continuous automotive steering operation one hour thirty minutes after the end of the rim can not produce hazardous cracks. Thirteenth impact test is modeled by passers-by and accidentally hit the road obstacles (curbs, potholes, traffic islands), the rim to resist shocks. Sixteen-inch wheels, for example, the test will be used to produce five hundred ninety-five kgf instrument at a specific angle to hit the rim, and in a minute later to check the results; tire pressure after impact can not vent to ○ and no structural damage the rim considered clearance.

 

While the wheels have been tested, and there will be a model above the rim, rim nominal (size), trademarks, manufacturing date, load, or other related models carved shows, but consumers how to choose? Guyao Hong said that as long as the selection of consumer goods safety mark (affixed to the body or on the smallest package goods) to the rim, and can pass through standard brokerage unit Inspection Agency website for the certificate to purchase state of the rim to see the rim Compliance testing period of limitation has expired.

 

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