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How much do you know about OEM CNC Machining Parts?

How much do you know about OEM CNC Machining Parts?

Pulished on Dec. 19, 2019

CNC machining parts are a part of mechanical processing. There are two main types of machining: one is to fix the turning tool to process the unformed workpiece during rotation; the other is to fix the workpiece and the turning tool (tool Frame) for horizontal and vertical movements for precision machining. Custom Lathe CNC Machining Service usually consists of a control system, servo system, inspection system, mechanical transmission system and other auxiliary systems.

OEM CNC Machining Parts

OEM CNC Machining Parts

Turning is to change the shape and size of the blank on the lathe by using the rotary motion of the workpiece and the linear or curved motion of the tool, and process it to meet the requirements of the drawing.

Turning is a method of cutting a workpiece on a lathe by rotating the workpiece relative to the tool. The cutting energy provided by turning is mainly provided by the workpiece rather than the tool. Turning is the most basic and common cutting method, which occupies a very important position in production. Turning is suitable for turning surfaces. Most of the workpieces with turning surfaces can be processed by turning methods, such as inner and outer cylindrical surfaces, inner and outer conical surfaces, end faces, grooves, threads and rotary forming surfaces. The tools used are mainly turning tools.

Among all kinds of metal cutting machine tools, lathes are the most widely used type, accounting for about 50% of the total number of machine tools. The lathe can use a turning tool to turn the workpiece, as well as drilling, reaming, tapping and knurling with drills, reamers, taps and knurling tools. Lathes can be divided into horizontal lathes, floor lathes, vertical lathes, turret lathes, and contour lathes according to different process characteristics, layout forms, and structural characteristics. Most of them are horizontal lathes.

Using different turning tools or other tools on the lathe, you can process various OEM CNC Machining Parts, such as inner and outer cylindrical surfaces, inner and outer conical surfaces, threads, grooves, end faces and forming surfaces, etc. The machining accuracy can reach IT8 to IT7, and the surface is rough The degree Ra value is 1.6 ~ 0.8. Turning is commonly used to process parts with a single axis, such as straight shafts and general disks and sleeve parts. If the installation position of the workpiece is changed or the lathe is appropriately modified, multi-axis parts (such as crankshafts, eccentric wheels, etc.) or disc cams can be processed. In the production of single-piece small batches, various shafts, discs, sleeves and other types of parts are mostly processed by horizontal lathes or CNC lathes with wide adaptability; large parts with large diameters and short lengths (length-to-diameter ratio of 0.3 to 0.8) are generally used Vertical lathe processing. In batch production of more complex shapes, turret lathes should be used for processing small and medium-sized shafts and sleeves with internal holes and threads. When mass production of small parts with less complicated shapes, such as screws, nuts, pipe joints, shaft sleeves, etc., semi-automatic and automatic lathes are mostly used for processing. It has high productivity but low accuracy.

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