What are the precautions for purchasing gearbox parts?

& nbsp; & nbsp; matters needing attention in purchasing gearbox parts:
 
1. Look at the packaging
 
Good gearbox parts packaging is generally more standardized, unified standard specifications, should be marked with product name, specification model, quantity, registered trademark, factory name, factory address and telephone number, etc.
 
2. Look at the appearance
 
Qualified gearbox parts surface, printing or casting and marking clear and regular, both with a certain degree of accuracy and bright light. When choosing and purchasing parts with rust spots or obvious turning tool lines on the Journal surface, they should be replaced.
 
3. Look at details and paint
 
Illegal businessmen can find old paints by simply processing waste parts, such as dismantling, assembling, assembling and painting, and then pretending to be & ldquo; qualified products & rdquo; selling them and removing the surface paint.
 
IV. Looking at Technology
 
The appearance of inferior products is sometimes good, but due to poor manufacturing technology, cracks, sand holes, slag inclusion, burrs or bruises are easy to occur.