The CNC machinist can adopt the following tried and tested strategies to reduce tool deflection while working. Strategies to Prevent or Reduce Tool DeflectionĪlthough tool deflection is not 100% avoidable, it still can be reduced by using some strategies and tactics. Rough surface finish or potential surface damage The tool deflection can certainly cause the following errors in CNC machining.Ĭatastrophic failure of either tool or workpiece Along with the resisting force, the CNC tool is impacted by different operational forces, therefore if the tool stiffness does not sustain external forces, the tool deflects from its set alignment. Since in CNC machining operations, the tool consistently exerts a force against the workpiece, the workpiece material also offers resisting force. ![]() This means one end of the tool is held inside the chuck and the other operating end of the tool is free or cantilevered. The CNC machining tool is gripped between the chuck in a cantilever position. ![]() It is the deflection of the tool from its expected alignment. ![]() Tool deflection is exactly what its name says. An Overview of Tool Deflection and its Impact on CNC Machining
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