小四轮拖拉机使用中,不少用户反映前轮胎易产生早期磨损。分析其原因,主要是: 1.前轴变形各种小四轮拖拉机都有规定的轮胎外倾、主销内倾、主销后倾、前束等,以保证前轮定位。但由于制造厂工艺上的问题,使轮胎外倾角大于规定范围;主销后倾角两端不一致,使拖拉机两侧 Small four-wheel tractor use, many users reflect the easy to produce early wear and tear of the front tire. Analysis of the reasons, mainly: 1. Deformation of the front axle A variety of small four-wheel tractors have the provisions of the tire camber, king pin introversion, the main pin backward, the front beam to ensure the front wheel orientation. However, due to manufacturing process problems, so that the camber of the tire is greater than the specified range; caster angle inconsistent at both ends so that both sides of the tractor