SCIENCE AND TECHNOLOGY ENGLIAH FOR MECHANICAL ENGINEERING Several alternatives of process plans or some of its operations are evaluated and compared so that the best plan can be selected The best alternative is not necessarily the one which employs the most advanced machine tools, nor the one which provides the highest manufacturing efficiency. The evaluation of the alternatives should be a synthetical analysis from the technological and economical points of view. In most cases, the overall cost is the basis for decision. But it is important that the alternatives meet the requirements of quality and prompt production Basic Information for Process Planning The planning of a machining process is based on the drawing and specifications of the part to be manufactured, drawing of the blank piece from which the part is made, planned volume of production, available equipment and tooling for production, and relevant engineering and economic standards and handbooks. They provide the initial data for process planningSCIENCE AND TECHNOLOGY ENGLISH FOR MECHANICAL ENGINEERING Several alternatives of process plans or some of its operations are evaluated and compared so that the best plan can be selected. The best alternative is not necessarily the one which employs the most advanced machine tools, nor the one which provides the highest manufacturing efficiency. The evaluation of the alternatives should be a synthetical analysis from the technological and economical points of view. In most cases, the overall cost is the basis for decision. But it is important that the alternatives meet the requirements of quality and prompt production. Basic Information for Process Planning The planning of a machining process is based on the drawing and specifications of the part to be manufactured, drawing of the blank piece from which the part is made, planned volume of production, available equipment and tooling for production, and relevant engineering and economic standards and handbooks. They provide the initial data for process planning