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Sema RT 70-8-NC-A

little used round cycle plant with 8 stations

TECHNICAL DETAILS

diameter machine bed: approx. 5000 mm
weight: approx. 42 t

machine color: RAL 7035 light gray / base RAL 7016 anthracite
Documentation: according to SEMA standard in German incl. CE marking on CD
Hinged belt conveyor / cutter pump: built into base frame with hopper
Lifting pump: 550 l/ min make KNOLL
Coolant: 2500 I, 500 l/min (4 bar)

EQUIPMENT

• complete machine base frame


• rotary table RTT 1200 NC controlled


• rotary feed-through for hydraulic supply


• 8 x triple clamping devices externally mounted: 2 hydraulic three-jaw chucks each with integrated cylinder (clamping force: 40 kN/ 40 bar)


• coolant tank system with pump for flushing


• 14 lubrication points, piping and valves (lubricant: emulsion)


• Paper belt filter make KNOLL

STATIONS

Station 1: Feeding and unloading by robot
- The part is clamped on the shaft.

Station 2: Turning of the head contour (2-fold)
- NC- feed slide SL 45-NC z-direction
- 2 x facing unit SEMA PDE (without tools)
spindle distance: 300 mm
- 2 x facing head LAT-160-2-32

Station 3: Turning station via handling gripper (2-fold)
- Part is now clamped at the machined head

Station 4: Thread rolling (2-fold)
- Part is clamped at the head and supported in the hexagon
- NC- feed slide SL 45-NC z-direction
- 2 x spindle unit SEMA SE 100 (without rolling head and rollers)
- 2 x torque support by hexagon socket
- counterpart is inserted, turned to stop and
clamped

Station 5: Milling of longitudinal grooves with support on shaft side
- 2 x spindle unit SEMA SE 70, HSK 63 (without tools)
- NC- feed slide SL 35-NC x-direction
- NC- Feed slide SL 35-NC y-direction
- NC- Feed slide SL 45-NC z-direction
- 2 x pneumatic three-jaw gripper on console

Station 6: Milling longitudinal grooves with support on shank side
- 2 x spindle unit SEMA SE 70, HSK 63 (without tools)
- NC- feed slide SL 35-NC x-direction
- NC- Feed slide SL 35-NC y-direction
- NC- Feed slide SL 45-NC z-direction
- 2 x pneumatic three-jaw gripper on console

Station 7: Milling longitudinal grooves with support on shank side
- 2 x spindle unit SEMA SE 70, HSK 63 (without tools)
- NC- feed slide SL 35-NC x-direction
- NC- Feed slide SL 35-NC y-direction
- NC- Feed slide SL 45-NC z-direction
- 2 x pneumatic three-jaw gripper on console

Station 8: Thread deburring with deburring ring
- 2 x spindle unit SEMA SE 55 (without tools)
- NC- feed slide SL -NC z-direction
- complete pneumatics make FESTO incl. piping
- complete hydraulics make BOSCH/Rexroth or Parker incl. piping
- central lubrication system make SKF incl. piping
- swivel control panel with control panel front OP010C/PCU50 and keyboard
- Control panel with control make SIEMENS 840 D-S7/ 24 NC axes
- NC program for one workpiece
- Complete cover with sliding doors (partially transparent)
- pedestal