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Integrally Heated Hot Sprue Bushings                                     93


                            Integrally Heated Sprue Bushings .750" SERIES




            .750" Series Bore & Gate Dimensions
                                                Insulating Washer Option   Standard Bore
            Insulating Washer Specifications    Insulating Washer Option   Standard Bore
                                                       2.05 dia.
                                               Insulating Washer Option  Standard Bore                     a
                                                       (52.1mm)
                         Top      Bottom                2.05 dia.                                       .8752  a
                                                       (52.1mm)
                                                                                                         .8752
            Item Number  MAX10015   MAX10027          2.05 dia.                    .860 dia.          (22.23mm) a
                                                 Top Washer                        (21.8mm)            (22.23mm) a
                                                      (52.1mm)
                                                                                                          a
            O.D.         1.99      1.99                                            .860 dia.      .760  .8752  a
                                                                                                     (22.23mm)
                                                                                   (21.8mm)
                                                  Top Washer
                       (50.5mm)  (50.5mm)   Bottom Washer                         .860 dia.      (19.3mm)
                                                                                  .125
                                                                                 (21.8mm)
                                                Top Washer
            I.D.         1.07      .810     Bottom Washer                        (3.2mm)           .760
                                                                                  .125
                                                                                                 (19.3mm)
                       (27.2mm)  (20.6mm)                                                      .110 .760
                                           Bottom Washer
                                                                                 (3.2mm)
                                           1.125                                 .125          (19.3mm)
            Thickness    .125      .125   (28.6mm)                             (3.2mm)        (2.8mm)
                                                                                                .110
                        (3.2mm)  (3.2mm)   1.125                                              (2.8mm)
                                          (28.6mm)
                                         1.125                                                .110
            Note:  Insulating Washers are not required,  (28.6mm)                  .125      (2.8mm)
                but are recommended for high tem-  .125    .235                   (3.2mm)    .080
                                                                                   .125
                perature applications.         (3.2mm)    (6.0mm)                 .125     (2.0mm)  b
                                                                                  (3.2mm)
                                                           .235
                                                                                             .080
                                                 .125
                                                          (6.0mm)
                                                                                            (2.0mm) dia.
                                                                                             1.9910
                                                                                           .080
                                                          .235
                                                (3.2mm)
                                               .125
                                      L2 dim. – .125 + Exp.  (6.0mm)            (3.2mm)   (2.0mm)  b  b
                                                                                              (50.57mm)
                                              (3.2mm)
                                     L2 dim. – (3.2mm) + Exp.                    Water Line   1.9910 dia. b
                                      L2 dim. – .125 + Exp.
                                                                                                b
                                                                                              (50.57mm) L2 dim. + exp.
                                     {See page 4 for L2 dim.}                    Water Line  1.9910 dia.
                                     L2 dim. – (3.2mm) + Exp.
                                     L2 dim. – .125 + Exp.                                   (50.57mm) (See page 4 for L2 dim.)
                                                                                                   b
                                     {See page 4 for L2 dim.}
                                   L2 dim. – (3.2mm) + Exp.                    Water Line             L2 dim. + exp.
                                                                                                    L2 dim. + exp.
                                   {See page 4 for L2 dim.}                                        (See page 4 for L2 dim.)
                                                                                  .500 min.      (See page 4 for L2 dim.)
                                                                                   .500 min.
            Thermal Expansion (Exp.) Formulas                Gate                 (12.7mm)
                                                                                   (12.7mm)
            Exp. in = L2 in. × 6.88 × 10  × (Processing Temp. – 70°F)  Gate      .500 min.
                            -6
            Exp. mm = L2 mm × 13 × 10  × (Processing Temp. – 21°C)  Gate         (12.7mm)
                             -6
            Ref: 10  = 0.000001
                -6
            All specifications are subject to change without notification.
            Sprue Gate                    .860  dia.              Extra Stock Sprue Gate                              Integrally Heated Hot Sprue Bushings   |    Machining Dimensions
                                                                   .860 dia.
                                          (21.8mm)                 (21.8mm)
                                                                   .860 dia.
                                           .860  dia.
                                           (21.8mm)
                                         .860  dia.               .860 dia.
                                                                   (21.8mm)
                                         (21.8mm)                (21.8mm)                      .118 min.
                                                                                               (3.0mm)
                                                                                               .118 min.
                                                                                                (3.0mm)
                                              .118                                            .118 min.
                                             (3.0mm)                                          (3.0mm)
                                              .118                                                 .493 max.
                                             (3.0mm)
                                             .118                                                  (12.5mm)
                                            (3.0mm)              30° max.                           .493 max.
                                                                                                    (12.5mm)
                                                                  30° max.                        .493 max.
                 a                                              30° max.                       a  (12.5mm)
             .7505 dia.                                                                     .7505 dia.
                    a                                                                             a
                 a
              (19.06mm)                                                                     (19.06mm)
                                                                                                a
                                                                                             .7505 dia.
              .7505 dia.
                                                                                              a
               a
                                                                                            (19.06mm)
            .7505 dia.  a                                                                  .7505 dia. a  a
              (19.06mm)
            (19.06mm) a                                                                    (19.06mm)
                                                  Bore & Gate Tolerances
                                                    Tol. “a” Table  Tol. “b” Table
                                                        + 0.0005
                                                                      + 0.0010
                                                     Tol. “a” Table  Tol. “b” Table
                                                     in:
                                                                   in:
                                                        – 0
                                                                      – 0
                                                        + 0.0005
                                                   Tol. “a” Table  Tol. “b” Table
                                                                      + 0.0010
                                                     in: + 0.01
                                                                    in: + 0.02
                                                     mm:  – 0      mm:  – 0
                                                        – 0
                                                                      – 0
                                                    in:  + 0.0005  in:  + 0.0010
                                                                      + 0.02
                                                        + 0.01
                                                      – 0
                                                     mm:  – 0      mm: – 0 – 0
                                                                     + 0.02
                                                      + 0.01
                                                                  mm:
                                                   mm:
                                               Dimensions are inches. Millimeters are in parentheses.
                                                                     – 0
                                                      – 0
             U.S. 800-626-6653  n Canada 800-387-6600  n dme@milacron.com  n www.milacron.com
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