Used injection molding machine is one of the best ways to save business costs. China’s injection molding machines are famous for their high quality and low cost, so China has become the purchasing market for injection molding machines in many countries around the world.

In today’s era, plastic products have been integrated into every aspect of people’s daily lives, and plastic product manufacturers can also reap the dividends in this regard. If costs can be saved on equipment, it will be of great benefit to enterprises in saving costs.

When buying a used injection molding machine, you need to pay attention to several issues: By solving these 3 problems, you can buy a perfect second-hand injection molding machine.

1. Pay attention to checking the hydraulic valve

There are many hydraulic valves in the injection molding machine, whose function is to provide power for different processes. But you also need to pay attention: hydraulic valves in some places are easily damaged. For example, the mechanical hydraulic valve at the screw is easily damaged, so when purchasing a used injection molding machine, you must pay attention to inspection, otherwise it will be very troublesome to repair again.

2. Pay attention to whether the basic blocks of the used injection mold machine can be used

Whether the used injection molding machine can operate normally is the top priority, and there are three factors that determine whether it can operate normally:
① Raw material structure – mainly used for feeding or adding materials, it is the basis of the injection molding machine’s production work. It is necessary to check whether it can work normally.
②Circuits – The aging of circuits will cause huge losses to production and even threaten the lives of workers. Therefore circuit inspection is also very important.
③Check whether the motor can be used normally.

3. Obtain basic information of the machine

When deciding to purchase, you need to obtain information such as the model, year, brand, and tonnage of the machine, as well as pictures of important parts: such as electrical cabinets, pressure plates, toggle mechanisms, etc.

If you are not in China, you need to ask the supplier to take a video of the used injection mold machine producing and working normally for you to confirm that the machine can be put into use. If you are not in China, you need to find a reliable agency or your friends in China to help you check whether the machine can run normally.

4. Clamping force of used injection molding machine

The purpose of clamping force is to make the products produced more in line with demand. To achieve this, the clamping force needs to be controlled within a certain range. Appropriate clamping force can also protect the mold from damage, thereby increasing the service life of the mold.

At the same time, when choosing a used injection molding machine, you should also look at the wear and tear of key parts, such as mold clamping rails, templates, screws and other parts – if these things are severely worn and you need to repair them again, it will cost a lot of money.
Even when buying a second-hand machine, be serious about it. If you want to buy a second-hand injection molding machine in China, you can find a professional purchasing agent – they can help you with quality inspections, shoot start-up videos for you, and more.

In China, there are many brands of injection molding machines, and the prices are very competitive, and the price of second-hand injection molding machines is usually cheaper than new machines. Therefore, China has become the world’s largest export market for used injection mold machines.