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TECHNICAL QUESTIONNAIRE                                         Thread cutting and thread forming


                     Enquiry                           Test result                       Complaint 


             Agency:                                                      Contact:
             Customer:                                                     E-mail:
             Phone or fax:                                                  Date:



           1. Tool type:                                               Thread size:
             Particularity:                                        Class of tolerance:



           2. Material group:
             Material N°:                                                Hardness:              N/mm  / HB / HRC
                                                                                                     2
             Norm:                                                      Elongation:             %



           3. Thread:      blind hole    through hole             Threaded length:                  mm
             Core hole Ø:                                  Depth:                mm
             Counter-bore Ø:                               Depth:                mm



           4. Cutting speed (V ):              m/min                        1/min
                           c
             Feed (f):                         %


           5. Machine:                                                             internal coolant

             Working position:      horizontal                    vertical
             Rigid Tapping:         “Soft Rigid Tapping“          Tapping spindle:  axial compensation
                                    collet                                        de-clutching
                                    Weldon                                        reversible

                                    hot / cold shrunk                             sliding clutch


           6. Lubricant:       emulsion              cutting oil          air         mist
             Product:



           7. Tool change reason:     tool wear                                 tool breakage
                                      thread not correct (checked with thread plug gauge)  tooth breakage in the chamfer lead
                                      machine error                             tooth breakage in the guiding thread



           8. Efficiency comparison:
             Tool under test:
             Performance and observations:



             Remarks:





                          Copy to be sent to    DC SWISS SA - CH-2735 Malleray   info@dcswiss.ch
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