What are the transmission forms of CNC lathes?


  The transmission forms of CNC lathes can be divided into two types according to their functions:surface forming motion and auxiliary motion.
  1、Surface forming motion:
  1.Directly participate in the cutting process,making it on the workpiece.The relative motion between the cutting tool and the workpiece forming a certain shape surface is called surface forming motion.
  2.Surface forming motion is a machine tool.Basic motion has a direct impact on the accuracy and roughness of the machined surface.The form and number of surface forming movements during various machine tool processing depend on the shape of the surface being processed,as well as the processing method and tool structure used.
  3.The machine tool structure varies depending on the distribution of motion.The lathe indicates that even if the same surface is processed using the same process method,there may still be multiple structural types.
  4.According to the different roles played during the cutting process,surface forming motion can be divided into main motion and feed motion.The main movement is to directly cut off the cutting layer on the workpiece,transforming it into the main movement of chips.High main motion speed and high power consumption.
  5.Feed motion is the movement of continuously putting the cutting layer into cutting to gradually cut out the entire surface of the workpiece.The feed speed is lower and the power consumption is also smaller.There must be and usually only one main motion,but there may be one or several feed motions,or there may not be.
  6.The form of main motion or feed motion includes both rotational motion and linear motion,while feed motion includes both continuous motion and intermittent motion.The unit of rotational main motion speed is mostly r/min.The linear main motion speed is double stroke/min;The feed speed is commonly expressed in the following units:mm/r,mm/min,mm/double stroke.
  2、Auxiliary motion:All movements on a CNC lathe,except for surface forming movements,are auxiliary movements.Its function is to achieve auxiliary actions during the machining process of the machine tool.For example,cut in,fast forward,fast rewind,position adjustment,indexing motion,etc.In addition,the starting,stopping,shifting,and reversing of machine tools,as well as the clamping and loosening of components and workpieces,are all auxiliary movements.

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