（1）<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">機械及液壓系統  <span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">作為機床的zui終用戶，廠方必須首先要確認，該機床機械及液壓系統的狀況。如：目前機床的精度，機械傳動鏈的狀況，絲杠、導軌的狀況，有無重大故障等，以確定機床是大修、項修。如果是非數控機床要改為數控機床，

<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">首先要考慮機械改裝的可行性，zui重要的是導軌的形式及滾珠絲杠的安裝。再有就是機械傳動機構的傳動間隙與傳動剛度是否符合數控機床的要求。

   （2）<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">電氣系統在做數控機床改造方案時，用戶可以根據機床的狀態(tài)及工藝要求來選擇數控系統。其一，是選擇數控制造廠商，目前世界上性能及信譽較好的有：西門子（<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">德國）<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">、發(fā)那科（<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">日本）<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">、三菱（<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">日本）<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">、num（<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">法國）<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">、fagor（<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">西班牙）<span style="font-family: 宋體; mso-ascii-font-family: "times new roman"; mso-hansi-font-family: "times new roman";">等。用戶可在詳細了解上述廠商數控系統的特點及性能價格比等指標的基礎上，與實施改造的工程公司一道，選擇一個比較適合的數控系統。