Page 125 - Threading_Handbook
P. 125

Points to Consider
                                                   Application

              Gender of Thread                             •  Is external or internal threading required?
                                                         
                                                           •  Is full profile or partial profile required?               THREAD TURNING
                                                           •  What is the threading profile? (square,
              Threading Profile/Standard
                                                               triangular, trapezoidal or other)?
                                                           •  What is the threading standard?
                                                         
              Pitch/TPI                                    •  What is the threading pitch/TPI?
                                                         
              Machining Diameter                           •  What is the machining diameter?
                                                         
                                                           •  Does the threading machine
              Operation Stability
                                                               have good or bad stability?
                                                         
                                                           •  What type of coolant is available
              Coolant                                          (external coolant, internal coolant,
                                                               possibility for high pressure coolant)?

                                                          
              Tool Adaptor                                 •  What type of tool adaptor is available?
                                                         
                                                           •  What is the overhang of the required
              Overhang                                         tool forthreading? (This question
                                                               usually refers to internal threading)

                                             Tool Configuration

                                                           •  What top rake geometry is
              Cutting Geometry
                                                               recommended for threading?
                                                         
                                                           •  What is the preferred orientation
              Cutting Tool Design
                                                               of the insert into the tool?

                                                 Tool Material
                                                           •  Which cutting tool grade is
              Grade
                                                               most suitable for threading?

                                        Economical Consideration

                                                           •  What are the number of cutting
              Economical Efficiency
                                                               edges on the insert?













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