Page 38 - Microsoft PowerPoint - Rolling
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38



                                    Entrance: material is pulled into the nip



                                                     Exit:  material is pulled back into nip
                      Zero slip (neutral) point

                                                             roller is moving slower than material
                                            roller is moving faster than material
                                                                                      material  pull-back















                                                                    v f      v R
                                                                                                                 Singh/ Dr. Colton Prof. Ramesh Singh, Notes by Dr.











                                                                             v R










                                                                                            material


                                                                                v R
                                                                       v b                       pull-in




                                            –                –




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