The history of human understanding and use of drill bits can be traced back to prehistoric times. The stone drill used by the ancients to fire for wood can be regarded as the most primitive drill. The twist drill (commonly known as the drill....
1.Turning slender shaft geometry accuracy and surface quality requirements are high. Conventional processing methods are used to clamp the workpiece between the main shaft and the tailstock. There is no flexibility at both ends. Under the influence of....
What is the elongated shaft?
An axial type workpiece having a ratio of the length L to the diameter d of the workpiece greater than 25 (i.e., the long neck ratio L/d gt; 25) is referred to as an elongated shaft. The shape of the slender shaf....
In the process of diversification and high-grade development of industrial products, how to improve the quality of molds directly affecting product quality is an important task. In the manufacturing process of titanium alloy screw molds, smo....
This design uses a new type of four-way ball stop valve that is a hydraulic piping system for hydraulic supports in integrated mechanized coal mining equipment. The main features include a valve body, a lower valve seat, a spherical core, an....
Summary: Taking CA6140 horizontal lathe as an example to introduce the purpose and movement of the lathe, type and structure, process range and transmission route. To provide a reference for reasonable choice of external turning tool structu....
Abstract: The triangular thread is widely used in parts, and its processing quality is an important link to ensure product quality. In the turning process, according to the different materials of the workpiece need to use different materials....
First, the standard parts on the market today mainly include: Carbon steel (including Easy iron and steel), Stainless steel (including free cutting stainless steel), Copper (including Fast cutting copper). (a) Carbon steel. We distinguish l....