一级减速箱体钻孔专用机床设计【6-M6】【双面】（有CAD图纸）.pdf

XX () 6-M6 () 2015 I 1 2 3 4 II Abstract This thesis mainly elucidates the basic process and requirements that design of the combination machine. Combination machine is designed according the fundamental , which highly centralized ,or , more correctly it can process one working procedure or more different working procedures at one time . Combination machine was developed in the end of industrial production compared with traditional machine; combination machine has many advantages , such as high efficiency , high accuracy and low cost . It is composed of some general parts , such as bed ,column ,work able ,power unit ,and some special parts designed according to different work piece machining need. The preface of a lot of works can be completed on the combination machine, but in regard to th