​Ningbo OEM Industry Manufacturer Ltd.is an industry leader in OEM metal stamping manufacture, as a full service metal parts supplier, our company provides quality, cost-efficient metal parts to a wide range of customers across a multitude of industries. In the meanwhile, we also provide them with industry-leading service and an enjoyable experience. Whatever your needs, we have the in-house capabilities and industry knowledge and experience to be your next metal parts supplier.

Currently one of our customer inquiry us one technical question: when he is regularly machining Cylinder Heads & Blocks, for head contact face in case of block and block contact face in case of head specifies surface finish of 15 Rz. After finish milling when we check for Rz it is between 15 to 20 Rz, but if we check Ra it is within 1 µRa. Here comes a question: what is the difference between Ra & Rz measurements?

Pipe thread mainly used for pipe connection, the internal and external thread can be tight; it has straight tube and cone tube two specifications. Recently, a handful of people are confused by different threads requirements in different drawings. In order to help you figure out the differences, we accessed relevant information and summarized as below: Common pipe thread mainly includes the following: NPT, BSPT, BSPP and so on.

‍10 Common Deburring Methods.If somebody ask me which procedure let me annoy during CNC machining process. Well, I will not hesitate to say DEBURR.Yes, deburring process is the most troublesome, I think many people agree me. Now in order to help people know more about this process, here I summarized some deburring methods for your reference.