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dryspin       dryspin  technology | Lead screw nuts | Product range                                                                                                                                                       dryspin
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      technology                                                                                                                                                                                                                technology
                     Zero-backlash option

                                                                                                                                       Order key
                                                                    Backlash is created on the lead screw drive by
                                                                    the axial clearance. By adding a radial pre-load,
                                                                    vibrations are significantly reduced.                        Part number                  Type     Thread




                                              d2
                                              d1



                                                                    We recommend using our zero backlash lead
                          d3  d4                       3            screw nuts at constant temperatures. Large
                                                                    temperature differences can cause the lead                      dryspin ®  technology  Direction of rotation
                                   b1                               screw nut develop unwanted adjustment, which                                          Zero-Backlash  Thread type  Thread Ø [mm]      Yellow markings show the axial
                                                                    can increase the required driving torque of the                        iglidur ®  J  Form F  Metric  Type 0001  Pitch                clearance of a standard lead
                                                                    lead screw nut.                                                                                                                      screw nut
                                     b2
          d5

                                                                                                                                                      The lead screw nut consists of a support nut, an adjusting ring with torsion spring, a friction
                                                                                                                                                      disc and the axial element. With the help of the torsion spring, the pretension is brought
               Installation instructions and video tutorials                                                                                          into the lead screw system.
                 www.igus-asean.com/zero-backlash-nut


        Technical data                                                                                                           Dimensions [mm]
         Thread                  Max. stat. axial F          Max. idling torque               Weight                               d1 156)  d2 156)   d3       d4       d5     b1 40) 156)  b2    Part No.
                                                            (with spring) 170)  from
                                        [N]                        [Nm]                         [g]
         Ds5x5                          75                         0.02                         6.5                                  5      13.5      28      22.2      3.7     31 - 36    4.1    DST-JFRM-ZB-0001-DS5X5
         Ds6.35x2.54                    75                         0.02                         6.2                                6.35     13.5      28      22.2      3.7     31 - 36    4.1    DST-JFRM-ZB-0001-DS6.35X2.54
         Ds6.35x5.08                    75                         0.02                         6.2                                6.35     13.5      28      22.2      3.7     31 - 36    4.1    DST-JFRM-ZB-0001-DS6.35X5.08
         Ds6.35x12.7                    75                         0.02                         6.2                                6.35     13.5      28      22.2      3.7     31 - 36    4.1    DST-JFRM-ZB-0001-DS6.35X12.7
         Ds6.35x25.4                    75                         0.02                         6.2                                6.35     13.5      28      22.2      3.7     31 - 36    4.1    DST-JFRM-ZB-0001-DS6.35X25.4
         Ds8x10                        150                         0.03                        17.7                                  8       20      38.1     28.3      5.2     41 - 47    4.8    DST-JFRM-ZB-0001-DS8X10
         Ds8x15                        150                         0.03                        17.7                                  8       20      38.1     28.3      5.2     41 - 47    4.8    DST-JFRM-ZB-0001-DS8X15
         Ds8x24                        150                         0.03                        17.7                                  8       20      38.1     28.3      5.2     41 - 47    4.8    DST-JFRM-ZB-0001-DS8X24
         Ds10x12                       150                         0.04                        16.8                                 10       20      38.1     28.3      5.2     41 - 47    4.8    DST-JFRM-ZB-0001-DS10X12
         Ds10x25                       150                         0.04                        16.8                                 10       20      38.1     28.3      5.2     41 - 47    4.8    DST-JFRM-ZB-0001-DS10X25
         Ds10x50                       150                         0.04                        16.8                                 10       20      38.1     28.3      5.2     41 - 47    4.8    DST-JFRM-ZB-0001-DS10X50
         DS12x3                        500                         0.08                        29.3                                 12       24      41.2     31.8      5.2     55 - 61    7.0    DST-JFRM-ZB-0001-DS12X3         New
         DS12x5                        500                         0.08                        29.3                                 12       24      41.2     31.8      5.2     55 - 61    7.0    DST-JFRM-ZB-0001-DS12X5         New
         DS12.7x12.7                   500                         0.08                        29.3                                 12       24      41.2     31.8      5.2     55 - 61    7.0    DST-JFRM-ZB-0001-DS12.7X12.7 New
         DS12x15                       500                         0.08                        29.3                                 12       24      41.2     31.8      5.2     55 - 62    7.0    DST-JFRM-ZB-0001-DS12X15        New
         DS12x25                       500                         0.08                        29.3                                 12       24      41.2     31.8      5.2     55 - 63    7.0    DST-JFRM-ZB-0001-DS12X25        New
         DS14x4                        500                         0.08                        27.7                                 14       24      41.2     31.8      5.2     55 - 64    7.0    DST-JFRM-ZB-0001-DS14X4         New
         DS14x24                       500                         0.08                        27.7                                 14       24      41.2     31.8      5.2     55 - 65    7.0    DST-JFRM-ZB-0001-DS14X24        New
         DS14x30                       500                         0.08                        27.7                                 14       24      41.2     31.8      5.2     55 - 66    7.0    DST-JFRM-ZB-0001-DS14X30        New
        170)  The idling torque of the zero-backlash lead screw nut increases with service life. When calculating the            40)  Variable according to thread pitch / clearance
        dimensions, it is recommended that the maximum idling torque be taken into account.                                      156)  Tolerances according to DIN ISO 2768-1, tolerance class m (medium)
                                                                                                                   ASEAN 09/2023  ASEAN 09/2023




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