TA系列镗削头是根据一机部部标准“JB1531—75组合机床通用部件——镗削头”规定的名义尺寸、参数、互换尺寸设计的。对标准中规定的名义尺寸为125、160的两个小规格的镗削头,尚末开展设计。500以上规格的镗削头(单轴)通过访问用户,无论在大批量还是在中批量生产的行业中都很少使用,所以这次也未设计,这次仅设计了从200～400四个规格 TA series boring head is based on a machine department standard “JB1531-75 combined machine common parts - boring head” provisions of the nominal size, parameters, interchangeable size design. Designs for two small gauge boring heads with a nominal size of 125,160 as specified in the standard are still not in place. Boring heads (uniaxial) of 500 or more specifications are rarely used by users in the mass production or medium-volume production industries. This time, the design of the boring heads (single-axis) specification