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GRIPPERS



                      GRIPPING FORCE - THREE-FINGER GRIPPERS






                                                                         mg
                                                                                         mg
                                                                         2xµ             2xµ
                                                                     F >             F =      x a
                                                                    when µ            F =  mg    x 4 = 10x mg
                                                                                          2x0.2
                                                                    when µ            F =  mg    x 4 = 20x mg
                                                                                          2x0.1

                                                                     µ : part & fingers
                                                                     Coefficient of friction
                                                                     m: mass
                                                                     g: gravity
                                                                     a: safty factory
























































                  PLASTIC PROCESS EQUIPMENT, INC.                                            www.ppe.com
                                                                                            e-mail: sales@ppe.com
                   E 8303 CORPORATE PARK DRIVE         W  6385 MONTESSOURI STREET
                   A MACEDONIA, OHIO 44056-2300        E  LAS VEGAS, NEVADA 89113-1186  Toll Free: USA, Canada & Mexico
                   S 216-367-7000 • FAX: 216-367-7022  S  702-433-6385 • FAX: 702-433-6388  800-362-0706
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                                Plastic Process Equipment, Inc. • 800-362-0706 • www.ppe.com                     307
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