
OPTIMUM
MASCHINEN - GERMANY
Version 1.3.0 dated 2016-12-16 Page 3Original operating instructions
MF2 Vario GB
3.7 Warming up the machine .......................................................................................................................24
3.8 Electrical connection ..............................................................................................................................24
3.9 Electrical connection of machines with frequency converter..................................................................25
3.9.1 Regulated drives in connection with residual current devices................................................................25
3.9.2 Protection from Dangerous Shock Currents, use of ELCBs...................................................................25
3.9.3 Current in the protective earth conductor - Leakage current..................................................................25
3.9.4 When the ELCB triggers.........................................................................................................................26
4Operation
4.1 Overview ................................................................................................................................................27
4.1.1 Control panel..........................................................................................................................................28
4.1.2 Safety devices.......................................................................................................................................28
4.1.3 Separating protective equipment............................................................................................................28
4.2 Design of the multi-milling machine MF2 Vario......................................................................................29
4.2.1 Spindle head ..........................................................................................................................................29
4.2.2 Switch cabinet........................................................................................................................................29
4.2.3 Coolant pump.........................................................................................................................................29
4.3 Safety.....................................................................................................................................................30
4.3.1 Warming up the machine .......................................................................................................................30
4.4 Switching the machine on and off ..........................................................................................................30
4.4.1 Switch on................................................................................................................................................30
4.4.2 Switching off...........................................................................................................................................30
4.4.3 Locking the main switch.........................................................................................................................30
4.5 Raising / lowering the cross table...........................................................................................................31
4.6 Moving the cross table left or right (X-axis)............................................................................................32
4.6.1 Manual movement on the X axis............................................................................................................32
4.6.2 Automatic movement of the X-axis using the feed motor.......................................................................33
4.7 Moving the cross table forward / back (Y-axis) ......................................................................................33
4.8 Inclining the spindle head up or down....................................................................................................34
4.9 Orienting the spindle head to the right or left .........................................................................................35
4.10 Moving the spindle head-holder forward or back ...................................................................................35
4.11 Turning the spindle head-holder.............................................................................................................36
4.12 Adjusting the spindle speed ...................................................................................................................36
4.13 Pulleys....................................................................................................................................................36
4.13.1 Gear switch ............................................................................................................................................37
4.13.2 Fine adjustment of the motor speed.......................................................................................................38
4.14 Spindle Left - Stop - Right selector.........................................................................................................38
4.15 Spindle brake .........................................................................................................................................38
4.16 Drill depth stop .......................................................................................................................................38
4.16.1 End stop operating lever ........................................................................................................................39
4.17 Spindle sleeve feed................................................................................................................................39
4.17.1 Manual spindle sleeve feed....................................................................................................................39
4.17.2 Automatic spindle sleeve feed................................................................................................................40
4.17.3 Feed reverse button...............................................................................................................................41
4.18 Cooling agent .........................................................................................................................................41
4.19 Tool change............................................................................................................................................42
4.19.1 Installation..............................................................................................................................................42
4.19.2 Disassembly..........................................................................................................................................42
4.20 Stopping the machine in the event of an emergency ............................................................................43
4.20.1 Position of the emergency stop knob .....................................................................................................43
5 Cleaning, maintenance, repair
5.1 Safety.....................................................................................................................................................44
5.1.1 Measures before repair works................................................................................................................44
5.1.2 Notes for repair.......................................................................................................................................44
5.1.3 Measures before switching on again and after repair measures............................................................44