Page 549 - MiSUMi FA Mechanical Components Economy Series
P. 549

Product Overview                                                       Economy Series
                                                                                     Coil Springs




                                                              YV 6WDQGDUG 7\SH
             Economy series                                   6DYLQJ                                  Coil  Springs

             Tension Springs                                       8S WR                            P.545


                                                               ᵖᵎ
             The same specification with 2 kinds                                                     Springs  Tension

             of materials
             Stainless steel imported from Japan,                                                   P.555
             and Chinese piano wire                                                                  Tension Springs  Posts For


                                                                                                    P.561


          2 Difference between MISUMI Economy series and generic products in the market              Disc Springs  Torsion Springs/

           2 72H Salt Spray Test                                                                    P.564
              Generic products in the market*  MISUMI Economy series Tension Springs
                 8H Salt Spray Test Results   72H Salt Spray Test Results                            Absorbers  Shock

                                   More                          Within                             P.567
                                  than 90%                       3% of
                                  of rusted                      rusted                              11
                                    area                         area




             · Conclusion: The antirust ability is 9 times of the generic products in the market.    Absorbers  Springs / Shock

           2 Service Life Test
             · Product Information: Material: SUS304-WPB
                              Specifications: Wire Diameter 1mm, O.D. 8mm, Free Length 40mm
             · Test Conditions: Original Length 40mm, Allowable Displacement 19.2MM, Allowable Load 24.52N, Stretching Frequency 309 cycles/minute

                    Generic products in the market*     MISUMI Economy series Tension Springs
                      Breakage after 255,000 cycles          Breakage after 787,000 cycles








                 Abnormal broken position: unconventional broken coil position,   Normal broken position: hook position with
                 presumably using low-class cheap materials with low purity  concentrated stress

             · Conclusion: The service life is 3 times of the generic products in the market.
             * Generic products in the market are similar products randomly purchased by our company from online or offline markets
             * The test data are obtained through testing by our company, which are for reference only


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