1. Longitudinal grinding method Longitudinal grinding method is the most commonly used grinding method. During grinding, the worktable is fed longitudinally and the grinding wheel is fed periodically. The grinding allowance of the workpiece must be ground in multiple reciprocating strokes. Fe...... [Read More]

The step surface of the workpiece can be ground by the end surface of the grinding wheel after the outer circle is ground. When grinding, the grinding wheel needs to be withdrawn slightly laterally, and the worktable is turned by hand. After the grinding wheel is in contact with the end surfac...... [Read More]

Application scope and characteristics of inclined bed CNC lathe: 1. Inclined bed CNC lathe is mainly used for multi variety, medium and small batch processing of precision and complex rotary parts. 2. The hydraulic chuck and tailstock can be selected to realize automatic loading and unloading....... [Read More]

CNC milling machine is divided into mechanical part and system part, and the stable and efficient processing of the equipment depends on the normal working cooperation of the two parts. The mechanical part of general machining center is mainly composed of spindle part, feed transmission part a...... [Read More]

1.It is a tool for the operator to exchange information with the numerical control device. 2.Control medium and input/output equipment The control medium is the medium for recording parts processing procedures, and the input/output equipment is the interaction device between the CNC system an...... [Read More]

Reasons for abnormal machining accuracy The causes of abnormal machining accuracy are concealed and difficult to diagnose. Five main reasons are summarized: the feed unit of the machine tool is changed or changed; the zero offset of each axis of the machine tool is abnormal; the axial backlash...... [Read More]

1) Detection and repair of bed rails The V-shaped guide rail of the bed shall meet the following accuracy requirements after inspection: the straightness in the vertical plane ≤0.01mm/m; the straightness in the horizontal plane ≤0.01mm/m; the non-verticality of the sliding saddle guide rail ≤...... [Read More]

With the increase in the number of high-precision and high-hardness mechanical parts, as well as the development of precision casting and precision forging processes, the performance, variety and output of grinders are constantly improving and growing. (1) Cylindrical grinder: is an ordinary ...... [Read More]

1. Use a forming wheel to grind the punch, That is, the grinding wheel is trimmed into an inverted surface that is completely consistent with the surface of the workpiece, and then the workpiece is ground with the grinding wheel to obtain the desired shape. There are many ways to dress the gri...... [Read More]

Common defects in internal grinding are: The surface roughness is too bad, the surface is burnt, there are spiral marks and the shape error of the inner hole. The causes and elimination methods are briefly described as follows. 1. The surface roughness is too poor The main reason that affects...... [Read More]