Books and knowledge

Liu shows favor Fan China the eastern material testing laboratory of steam turbine factory, Sichuan Deyang 618201 Summary: Sketch the properties of working of the bearing, the basic situation that alloy employ and make up of bar. Describe the steam turbine rotor after two electricity factory directors operate one, because the abnormal friction that the journal takes place is damaged, have one that punished to reveal the journal severely that oozed Palestine's alloy phenomenon to process from can't harm checking, machinerying in overhauling the transformation, low the intersection of melting ...

Summary: This text directs against the special requirement of one of the structure, has analyzed the welding of the material, make the rational welding craft, use the stainless steel solder technology of the low temperature, reach the instructions for use, this text summarizes to handling the course, can be for counterpart's reference. Keyword: Vibration; Crackle; Out of shape; Weld the craft First, briefing A power station of the south is under the jurisdiction of a reservoir of administration bureaus of the south of municipal Zhang state, two mix the flowing vertical aircrew and go into ...

the quality place of textile machinery factory of Xianyang Summary: Utilize detection means such as metallography, hardness, chemical analysis, present the full of cracks characteristic to analyze the metallography about the surface in the heat treatment and after rubing and sharpening processing of machine component of textile. Find out question, and put forward the suggestion. Keyword: Bearing steel; Quench; Crackle; Metallography analysis The fabrics machine of China began to be had the shuttleless loom loom to turn to shuttleless loom field in middle period of the eighties. While ...

Summary: The superficial crackle of one set of circles is analyzed to importing in the large-scale bearing. The result indicates, the reason why the crackle produces and rubs and pare the craft improperly and relevantlying, it is burnt that the high-temperature flash back happens in the course of rubing and paring, make the fracture intensity of surface of material lower and produce the crackle. Keyword: Bearing; Crackle; Analyze One cold calender group of cold-rolled factory imports and supports the bearing of the roller, the external diameter of one set of circles inside ...

Summary: Think through the quality analysis of the steel ball, there are corrosion and metal tired layer on the surface of the steel ball. Because these defects will cause the surface of the steel ball to take off carbons and quench and fracture in the heat treatment process seriously, therefore is a basic reason for wasted product of steel ball. Keyword: Take off carbons; Corrosion; Tired layer; Quench; Crackle The size of production of one enterprise is 3/16 " Steel ball, is made of ZGCr15 steel, adopts and has not protected the heat-treatment furnace of the atmosphere to find that there is ...