1, look at the appearance of the sand maker When users choose a sand maker, because there are many types of sand makers, they should judge the quality of the sand maker from its appearance. The surface of the sand making machine with good quality is smooth, and there should be no unevenness; In terms of welding technology, the surface of welded or cast parts of sand making machine should be deoxidized and derusted before painting, which can improve the service life of sand making machine; The paint color on the surface of the sand making machine should be consistent and lubricated evenly.
2. Check the parts of the sander. A good quality sander is composed of many parts. Bearings should have good sealing dust removal equipment, no oil leakage; Wear-resistant raw materials should be selected for wearing parts such as hammer head and impact plate, and users should judge the quality of sand making machine from the parts when purchasing sand making machine.
3. Check the integrity of the sand maker. Check the integrity of the sand making machine when purchasing it. The complete equipment of sand making machine includes main engine, discharge hopper, anchor screw, dry oil pump and other equipment, as well as additional documents such as certificate of approval, instruction manual, catalogue of wearing parts, packing list and so on. A sand maker with good quality should be complete.
4. Look at the work of the sand making machine. Besides looking at the work of the sand making machine, we should also look at the work of the sand making machine. The work of the sand making machine mainly depends on its own structure and modeling details, such as whether the steel plate welding is clean, flat and seamless. The materials in the sand making machine run fast and have great pressure. If there are gaps in welding, the service life of the sand making machine will be shortened.
5. Look at the after-sales time of the sand maker. Generally speaking, the sand making machine will make an after-sales plan according to the quality of the sand making machine. The after-sales time provided by large sand making machines is long, which is generally guaranteed within one year. However, some sand making machines do not guarantee product quality and can only provide short-term after-sales warranty service. Therefore, when judging the quality of the sand making machine, you can also refer to the after-sales time of the sand making machine manufacturer.