4　圆锥公差标注方法鉴于新标准已对有关圆锥的基本术语、定义、尺寸注法等作了明确规定,故下面仅重点介绍圆锥的公差注法。从使用的角度来看,圆锥通常可分为静止圆锥(如传递扭矩的刀具锥柄与锥夹、提高重载零件定心精度的定心锥套、防漏的锥面结合管接头,用以紧固联结的锥形胀 4 Cone Tolerance Marking Method As the new standard has been about the basic terms of cones, definitions, such as the size of the note clearly defined, so the following focus only on the conical tolerance Note. From the point of view of the use of the cone can usually be divided into static cone (such as the torque transmission of the tool taper shank and taper, to improve the centering accuracy of heavy parts centering taper sleeve, leak-proof cone with the joint to Tight expansion of the fastening link