Rohm Norm RN 1391 Informaciones Y Directivas Generales Para El Empleo De Instalaciones De Sujeción Accionadas Por Fuer página 29

Table of Contents
1 Safety Instructions and Guidelines ................................................................ 30
1.1 Qualification of the Operator ......................................................................... 30
1.2 Risk of Injuries .............................................................................................. 30
1.2.1 Built-In Energy Storage .......................................................................... 30
1.2.2 Maximum Permissible Speed .................................................................. 31
1.2.3 Exceeding the Permitted Speed .............................................................. 31
1.2.4 Imbalance .............................................................................................. 31
1.2.5 Calculating the Required Clamping Forces ............................................. 31
1.2.6 Use of Other / Further Clamping Sets / Workpieces ................................ 32
1.2.7 Clamping Force Check / Clamping Fixtures without Permanent Pressure
Supply.................................................................................................... 33
1.2.8 Rigidity of the Workpiece to be Clamped................................................. 33
1.2.9 Danger of Crushing ................................................................................ 34
1.2.10 Fixing and Replacing Screws .................................................................. 35
1.2.11 Service Work.......................................................................................... 36
1.2.12 Collision ................................................................................................. 36
1.2.13 Replacement of Slot Nuts ....................................................................... 36
1.3 Environmental Hazards ................................................................................. 37
1.4 Safety Requirements for Power-Operated Clamping Devices ......................... 37
2 Reference Speed and Clamping Force Calculation........................................ 39
2.1 Power-Operated Clamping Devices ............................................................... 39
2.1.1 Reference Speed ................................................................................... 39
2.1.2 Determining the Required Clamping Force of a Power Chuck .................. 40
2.1.3 Turning .................................................................................................. 42
2.1.4 Drilling ................................................................................................... 50
RN-1391
Table of Contents
XXIX