Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
In order to ensure that the mechanical properties meet the technical requirements, Cr, Ni, Mo content of alloy elements are controlled at the upper medium limit, C content is controlled at the lower limit, in order to achieve the purpose of refining…
The purpose of the quality analysis of ring forgings is to find out the product quality problems, find out the quality reasons, take corresponding measures to make the ring forgings that meet the technical standards, so as to meet the customer's product…
Some key problems in the integrated process of ring forgings are to determine the main factors affecting the performance of ring forgings and to analyze the compatibility between process variables. Superposition of ring forging process characteristics,…
The impact force formed by the short contact time between the hammer head mounted on the crushing shaft set and the broken material cracks the coal, so the material technology of the hammer head is the source of its impact force. Crusher hammers and…
