Basic knowledge of metal materials
The development of human civilization and the progress of society are closely related to metal materials. After the Stone Age, the Bronze Age and the Iron Age were marked by the application of metal materials. In modern times, a wide variety of metal materials have become an important material basis for the development of human society.
Is TPE the raw material of choice for eyewear accessories?
There are many kinds of glasses frame materials on the market. Thermoplastic elastomer TPE/TPR is one of the common materials. There are TPEE or TPU materials on the market to make glasses accessories. Each material has its own advantages and disadvantages.
Is it better for copper fittings or stainless steel fittings?
Copper fittings or stainless steel fittings are good,
The use of copper bar, copper-aluminum composite bar, aluminum bar
Comparison of three conductor materials: copper bar, copper-aluminum composite bar, and aluminum bar
The development history of copper casting accessories
Popular from the late Neolithic period to the Qin and Han dynasties, with Shang and Zhou utensils as exquisite. First appeared were small tools or accessories. In the Xia Dynasty, there were bronze vessels and weapons. In the mid-Shang period, the variety of bronze wares was very rich, and inscriptions and fine patterns appeared.
Matters needing attention in the core molding process of copper castings
It is not easy to distinguish copper castings from ordinary die castings in appearance. The quality of the blank produced by the continuous casting and forging process is similar to that of the "casting first and then forging" process. One set is for fine forgings done with friction punches or hydraulic presses.