分)日\r补全齿轮啮合的主视图和左视图。[答案]\r4\r《汽车机械制图》阶段性测试试卷\r题号一二三四五总分\r得分\rV,错\r(X)\r评卷人得分二、名词解释。(每题6分,共24分)\r1.\r5\r(DM24LH-5H-S公称直径为24,左旋,中径和顶径的公差带代号为5H⑵\r短旋合长度的普通cu粗牙内螺纹\r(2)M20X1.5-5g6g公称直径为20,螺距为1.5,中径和顶径的公差带\r代号分别为5g和6g的普通细牙内螺纹\r(3)Tr32X6LH-7H公称直径为32,导程为6,左旋,中径公差带代号\r为7H的梯形单线内螺纹\r(4)B40X14(P7)-8e-L公称直径为40,导程14,螺距7,中径的公\r⑶\r差带代号为8e,长旋合长度的锯齿形双线外螺纹\rIA\r评卷人得分三、按给定尺寸和规定画法画螺纹。(每\r题5分,共15分)\r⑴\rA\r评卷入得分四、标注螺纹代号.(共36分)\rB32X12<6>-7h\rG\rS\rI\rq\rOJw\r(4)\rPci\r(3)d\r⑸\r7\r(本题16分)\rGIA\r(6)\r评卷人得分五、补全齿轮啮合的主视图和左视图。\r8\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※J\r※※※※※※:\r※※※※※派:\r※※※※※派:\r※※※※※冬:\r※※※※※※:\r※※※※※派:\r※※※※※※:\r※※※※※※:\r※※※※※派!\r※※※※※冰线\r※※※※※※[\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※:\r※※※※※※\r第9页,共9页\r※※※※※※\r※※※※※※