Do you know that you need to pay attention to the purchase of second-hand machine tools?

The recycling of used machine tools is basically nothing in the past few years. The value of a machine tool is tens or even hundreds of thousands. Many companies can't wait for a machine tool to last a lifetime, but recently with the development of technology, manufacturing The rapid improvement of the industrial level, the upgrading of the industrial structure, and the upgrading of machine tools have become increasingly common. Many small companies choose to buy cheap second-hand machine tools, but the quality of used machine tools, equipment reliability and other aspects are the buyers' attention, so how to buy used machine tools and equipment? China Machine Tool Network Xiaobian has compiled the following six precautions for everyone, hoping to help everyone in the process of purchasing second-hand machine tools, as far as possible to choose the second-hand machine tools that are satisfactory.

(1) The operation and maintenance personnel of second-hand machine tools must be professionals who have mastered the relevant professional knowledge of machine tools or those who have been trained in technology, and must operate the machine tools in accordance with safe operating procedures and safe operation regulations;

(2) Non-professionals shall not open the electric cabinet door. Before opening the electric cabinet door, it must be confirmed that the main power switch of the machine has been turned off. Only professional maintenance personnel are allowed to open the electric cabinet door for power-on maintenance;

(3) In addition to some parameters that can be changed by the user, other system parameters, spindle parameters, servo parameters, etc., cannot be modified by the user, otherwise the equipment, workpiece, personal injury, etc. will be brought to the operator;

(4) After modifying the parameters, when the first machining is performed, the machine tool is tested with the machine lock and single block without the tool and the workpiece, and the machine tool is confirmed after the machine is normal;

(5) Check whether the PLC program of this used machine tool has been changed or changed, because this program is generally designed by the machine tool manufacturer according to the machine tool. If you find this thing has been modified before purchasing this used machine tool, you should pay attention to it. Up

(6 If you want to buy second-hand machine tools, it is best to test the machine, generally by running the equipment for 12 hours to determine the accuracy and stability of the second-hand machine tool processing parts, thus determining the machining accuracy of this machine.

Summary: There are basically so many precautions about the purchase of used machine tools. Second-hand machine tools are a big piece after all. Be cautious before buying. You may bring professional technicians to help you.