Monday, June 10, 2019

what is cnc turning?

cnc turning

Explanation of "CNC Turning"

CNC turning refers to lathe machining as part of machining. The turning machine mainly uses a turning tool to turn the rotating workpiece. Lathes are mainly used for machining shafts, plates, sleeves and other workpieces with a rotating surface. They are the most widely used type of machine tools in machine building and repair plants.
Turning is used to machine the parts of the rotary body, and the parts are clamped on the spindle of the machine through the three-clamp chuck, and rotated at a high speed, and then the cutter is used to follow the busbar of the rotary body to cut out the appearance of the product.
The lathe can also be machined with internal holes, threads, bites, etc., the latter two being processed at low speed.
                                  ------The difference between machining and turning
Turning Section

CNC Turning Rules


The machining process of CNC lathe is similar to that of ordinary lathe, but since the CNC lathe is a single clamping and continuous automatic machining to complete all turning operations, the following aspects should be noted.
  • When turning the step shaft, in order to ensure the rigidity during turning, the part with a larger diameter and the smaller diameter of the rear part should be used.
  • When cutting the groove on the workpiece, it should be done before the finishing car to prevent the workpiece from being deformed.
  • When finishing a threaded shaft, it is generally necessary to finish the unthreaded part after threading.
  • Before drilling, the end face of the workpiece should be level. If necessary, the center hole should be used first.
  • When turning holes of Φ10-Φ20 mm, the diameter of the shank should be 0.6-0.7 times of the machined hole; when machining a hole larger than Φ20mm, the shank of the clamping head should generally be used.
  • When turning a multi-start thread or a multi-head worm, perform a trial cut after adjusting the exchange gear.
  • When turning on a vertical lathe, the beam should not be moved freely when the tool holder is adjusted.
Cnc Turning is on the lathe, using the rotary motion of the workpiece and the linear or curved motion of the tool to change the shape and size of the blank, and process it into the requirements of the drawings.
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