Page 717 - CarrLaneCatalog_2019ed-c.pdf
P. 717

Rotary Couplings                                                                             7250 psi max
                                                                                                Single and double acting



























                      Two Passage                         Four Passage                        Six Passage


                               Symbol                               Symbol                                Symbol


               Fixture        Rotary table





                                                                                           Rotary couplings are frequently
                                                         Two-passage                       used on horizontal machining
                                                        rotary coupling                    centers with rotary pallet changers.
                                                                                           A reaction-bar linkage holds the
                                                                                           top portion of each two-passage
                                                                                           coupling stationary while the bottom
                                                                                           portion revolves freely. Couplings
                                                                                  Four-passage
               Anti-rotation key bar  Rotary coupling                             rotary coupling  are not designed to carry load. Side
                                                        Reaction-bar                       load will cause excessive, uneven
            Four-passage rotary coupling with a reaction-bar   linkage (carrying           wear resulting in failure.
            to prevent stress on hose connections.   2 hydraulic hoses)
                                                                                Two-passage
                                                                                rotary coupling
                     Two Passage
                     Four Passage
                     Six Passage
                10                      100
                                                         Number of passages      2              4            6
                                        80             Max. flow rate (cu. in./min.)  493      493          493
                            Speed
                                        60                                       Standard
            Starting                       Max.
            Torque  5                     Speed         Leakage rate (cu. in./hr.)  .02        .04           ––
            (ft-lbs)       Torque       40  (rpm)           Weight (lbs)         5.3           10.1          ––
                                                         Part No., 150-7250 psi  CLR-9281-136-F  CLR-9284-036  ––
                                        20
                                                                          With Leakage Recirculation                  14
                 0                                          Weight (lbs)         6.1           12.1         15.9
                                        0
                0       1500    3000     4500      6000    7250  Part No., 150-7250 psi  CLR-9281-135  CLR-9284-135  CLR-9286-135
                        Operating Pressure (psi)
                                                                           Carr Lane Roemheld Mfg. Co.
                                                                                  Sales — Phone (314) 647-6200     Fax (314) 647-5736
                                                                          Engineering — Phone 1-800-827-2526     Web roemheld-usa.com
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