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Second-hand injection molding machines are very marketable, and many people will choose the latter in front of brand new injection molding machines and second-hand injection molding machines. However, there is still a big difference between a second-hand injection molding machine and a brand-new injection molding machine. Few people can see the hidden rules of the market. If you don't want to be taken advantage of, the best way is to check the quality of the second-hand injection molding machine. Otherwise, there will be problems in the follow-up and it will be troublesome to deal with. How to check the quality of second-hand injection molding machines?
One: hydraulic valve
Check the various hydraulic valves of second-hand injection molding machines, especially the industrial equipment hydraulic valve at the screw rod is the most vulnerable, because the second-hand long-term plastic parts processing and application, the hydraulic valve is inevitably damaged. Therefore, you must pay attention to this hydraulic valve when purchasing. If you buy it directly, it will be difficult to deal with the problem of the hydraulic valve, and it is not cost-effective to repair it.
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