Index Gfg 250 nakup rabljenega (140)

Stanje: rabljeno, TECHNICAL DATA - Number of spindles: 6, independently controlled - Bar capacity: 32 mm - Max. spindle speed: 6,300 rpm - Machine equipped with 28 CNC axes - Slide unit 1.1: X and Z axes CNC controlled - Slide unit 2.2: X and Z axes CNC controlled - Slide unit 3.1: X and Z axes CNC controlled - Slide unit 3.2: X and Z axes CNC controlled - Slide unit 4.1: X and Z axes CNC controlled - Slide unit 4.2: X and Z axes CNC controlled - Slide unit 5.1: X and Z axes CNC controlled - Slide unit 5.2: X and Z axes CNC controlled - Slide unit 6.1: X and Z axes CNC controlled - Slide unit 6.2: X and Z axes CNC controlled - Counter spindle at position 6.1 EQUIPMENT - Control: INDEX C200-4 (Siemens SINUMERIK 840D) - Simple NCU - Bar feeder magazine: IEMCA SIR MS32/33/P - Coolant tank: KNOLL AE 1076 * with high-pressure pump - Chip conveyor: KNOLL VRF 500 - Part evacuation with conveyor at position 6 Lhedpfxsuhauys Ah Ajr

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2009, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 500641, stružna dolžina: 710 mm, premer struženja: 300 mm, potovalna razdalja osi X: 215 mm, pomik osi Y: 180 mm, pomik po osi Z: 710 mm, skupna višina: 2.150 mm, skupna dolžina: 2.150 mm, skupna širina: 3.160 mm, TECHNICAL DETAILS Spindle Working Area Spindle bore with collet clamping: 65 mm Spindle diameter at front bearing: 110 mm Max. speed: 5,000 rpm Spindle nose ISO 702/1 Size: 6 Chuck diameter: 250 mm Max. torque (100%): 275 Nm Max. power (100%): 43 kW Tailstock electrically traversable Centre distance (710): 740 mm Max. thrust force (electric): 10,000 N Cross Slide 1 XYZ (upper) Travel X-axis: 215 mm Travel Y-axis: 180 mm Travel Z-axis: 710 / 1,250 mm Feed force X-axis: 8,000 N Feed force Y-axis: 16,000 N Feed force Z-axis: 13,000 N Rapid traverse speed X-axis: 20 m/min Rapid traverse speed Y-axis: 7.5 m/min Rapid traverse speed Z-axis: 20 m/min Resolution X-axis: 0.0005 mm Resolution Y-axis: 0.0005 mm Resolution Z-axis: 0.001 mm Tool Turret Number of tools: 12 Tool system DIN 69 880: Ø30 mm MACHINE DETAILS Dimensions and Weight Height: 2,155 mm Base area (710): 4,140 mm x 2,155 mm Installation area (710) without bar feeder: 4,140 mm x 3,570 mm Weight (710): approx. 6,500-7,700 kg Three-phase current: 400 V, 50/60 Hz Connected load: 24 to 83 kVA Main fuse: 35 to 125 A EQUIPMENT Milling spindle set 6-position tool changer HKS-50B KM40 Finished part removal device Workpiece handling WHU201 / WHW80/700 Lodpfx Aowxw Upoh Ajhr Chip conveyor: hinged belt Discharge height 1,250 mm Coolant fine filtration hydrostatic paper band filter Vacuum rotary filter W-UAT-106A MMS system LUBRIX 750

Leto izdelave: 1997, Stanje: pripravljen za uporabo (rabljen), X/Z travel: 520 mm / 200 mm, rapid traverse: 30 m/min, tool stations: 14, spindle speed: 7500 rpm / 6000 rpm, spindle bore: 30 mm, power: 10 kW, turning diameter: 200 mm, swing diameter: 260 mm, turning height: 200 mm. Machine dimensions X/Y/Z: approx. 3250 mm / 2100 mm / 2250 mm, weight: approx. 3200 kg, control: Siemens Sinumerik. Documentation available. An on-site inspection is possible. Lhodpfx Aewp R U Roh Aor

Stanje: rabljeno, TECHNICAL DATA - Number of spindles: 2 - Number of axes: 8 - Number of turret heads: 2 MAIN SPINDLE - Spindle drive power: 53 / 68 [kW] - Spindle speed: 3000 [rpm] - Max. bar diameter: 102 [mm] - 1 - Free workpiece length: 2000 [mm] - Max. main spindle chuck diameter: 420 [mm] - Rapid traverse speed: 30 [m/min] - Minimum C-axis resolution: 0.001 [degrees] SUB SPINDLE - Spindle drive power: 50 / 70.5 [kW] - Spindle speed: 3000 [rpm] - Max. bar diameter: 102 [mm] - Rapid traverse speed: 30 [m/min] - Minimum C-axis resolution: 0.001 [degrees] LEFT UPPER TURRET - Number of positions: 12 - Number of driven positions: 12 - Tool holder: VDI 40 Lhedpfx Ajuhbpfsh Aer - Travel range X/Z: 320 x 2,000 [mm] - Travel range Y: 210 [mm] - Driven tool speed: 6000 [rpm] - Driven tool power: 17 [kW] RIGHT LOWER TURRET - Number of positions: 10 - Number of driven positions: 10 - Tool holder: VDI 40 - Travel range X/Z: 210 x 2,000 [mm] - Driven tool speed: 6000 [rpm] - Driven tool power: 11.3 [kW] ELECTRICAL SUPPLY - Supply voltage: 400 [V] - Total power: 137 [kW] WEIGHT AND DIMENSIONS - Floor space required: 9,000 x 3,500 [mm] - Machine height: 3,000 [mm] - Machine weight: 21,000 [kg] MACHINE HOURS - Operating hours: 34,274 [h] EQUIPMENT - Control system: INDEX C200-4D (Siemens 840D) - Coolant tank: KNOLL * with high-pressure pump: 80 [bar] * with paper filter - Automatic doors - Chip conveyor: right

Leto izdelave: 1995, Stanje: pripravljen za uporabo (rabljen), Maximum spindle speed: 5,000 rpm, bar capacity: 65 mm, maximum turning diameter: 200 mm, maximum turning length: 400 mm. Number of spindles: 2, tool changers: 2 x 14, Siemens control system. Includes discharge conveyor, KNOLL 400S-1 chip conveyor (year of manufacture: 2016), control cabinet with cooling unit, CO2 extinguishing system, and INDEX bar loader. Completely overhauled in 2016. Lhedpfx Astdwwmjh Ajr

Stanje: rabljeno, TECHNICAL DATA - Max. diameter: 26 mm - Max. feed length: 125 mm - Spindle speed: 366 – 5,020 rpm - Number of spindles: 6 - Central block stroke with taper: 85 mm Option with hydraulics: 200 mm - Cross-slide stroke with taper: 36 mm Option with hydraulics: 56 mm - Dimensions: 5,728 x 1,080 x 1,816 mm - Weight: 5,200 kg ACCESSORIES - Counter spindle - Counter-operation device - 5 drilling units Lsdpfx Ahjuham Ao Ashr - All tool holders - Pedestal + drum

Leto izdelave: 2003, Stanje: pripravljen za uporabo (rabljen), Max. turning diameter: 200 mm, max. turning length: 400 mm, spindle speed: 6,000 rpm, bar capacity: 42 mm, weight: approx. 4,300 kg. Lhjdstdwwqspfx Ah Ajr

Stanje: rabljeno, TECHNICAL DATA SPINDLES - Number of spindles: 6 - Bar passage: 40 mm - Rotational speed: 7,000 rpm - Spindle power: 13 / 24 kW CONTROLLED AXES: 27 - Slide unit 1.1: X and Z axes, NC-controlled - Slide unit 1.2: X and Z axes, NC-controlled - Slide unit 2.1: X and Z axes, NC-controlled - Slide unit 2.2: X and Z axes, NC-controlled - Slide unit 3.1: X and Z axes, NC-controlled - Slide unit 3.2: Z axis, NC-controlled - Slide unit 4.1: X and Z axes, NC-controlled - Slide unit 4.2: Z axis, NC-controlled - Slide unit 5.1: X and Z axes, NC-controlled - Slide unit 5.2: Z axis, NC-controlled - Slide unit 6.1: Z axis, NC-controlled + SCARA axis - Slide unit 6.2: X and Z axes, NC-controlled - Slide unit 6.3: X axis, NC-controlled ELECTRICAL SUPPLY - Voltage: 400 V - Frequency: 50 Hz - Installed power: 65 kW DIMENSIONS AND WEIGHT - Footprint: 3,329 x 2,032 mm - Height: 2,654 mm - Weight: 7,100 kg OPERATING HOURS - Power-on hours: 45,965 h - Production hours: 19,065 h ACCESSORIES - Siemens 840D CNC (PL) with dual NCU - 2 CNC operating panels - 6 TOPLUS collet receivers with integrated stop - 1 counter-spindle in position 6.1 Lsdpfxeuhanto Ah Ajhr - Clamping device on counter-spindle: Röhm chuck KFD-HS 110/3 - Counter-spindle internal coolant supply - CNC options for counter-spindle / polygon turning attachment - Rear machining system on slide 6.2: 3x fixed - Preparation for 2 additional operations with electronic shaft, positions 1.2.3 - Preparation for 2 additional operations with electronic shaft, positions 4.5.6 - STAUBLI robot, type TX60 (6 axes) - Robot gripper, external double clamping type PZN50 - Swiveling plate (4 positions) - KNOLL coolant tank with articulated chip conveyor, 2 HP pumps at 40 bar - Büschel oil mist extraction system - RIEDEL cooling system - ARTIS preparation

Stanje: pripravljen za uporabo (rabljen), Swing diameter over bed/cross slide: 600mm/320mm, turning length: 820mm. Includes parts catcher, steady rest, and tailstock. Expected to be available from early 2026. Lhodpfx Ahet Tfaas Asr

Stanje: rabljeno, TECHNICAL DATA - Number of spindles: 6 - Maximum diameter: 18 mm - Slide unit 1.1: X and Z axes CNC controlled - Slide unit 1.2: Z axis CNC controlled - Slide unit 2.1: Z axis CNC controlled - Slide unit 2.2: X and Z axes CNC controlled - Slide unit 3.1: X and Z axes CNC controlled - Slide unit 4.1: X and Z axes CNC controlled - Slide unit 5.1: X and Z axes CNC controlled - Slide unit 6.1: X and Z axes CNC controlled with counter spindle - Slide unit 6.3 EQUIPMENT - Siemens 840D CNC control - Counter spindle - Bar feeder magazine IEMCA SIR MS18/33 P - KNOLL coolant tank Lhodpfxeuhan To Ah Asr * with high-pressure pump - KNOLL chip conveyor - Part removal unit - Part ejector

Leto izdelave: 1997, Stanje: pripravljen za uporabo (rabljen), Swing diameter: 200 mm, turning length: 400 mm, max. turning diameter: 420 mm, bar capacity: 60 mm, max. chuck diameter: 160 mm, spindle speed: 5,000 rpm, turrets: 2, stations: 2 x 14, rapid traverse X/Z: 20 m/min / 30 m/min. Machine dimensions (X/Y/Z): approx. 7,500 mm / 2,100 mm / 2,100 mm, weight: approx. 4,500 kg. Documentation available. An on-site inspection is possible. Ljdpfx Asu T Rgkeh Ashr

Stanje: rabljeno, TECHNICAL DATA Lhedpfx Ahsuhbfte Asr - Spindle power: 10.5 kW - Spindle speed: 10,000 rpm - Spindle type: A2-4 - Travel X/Y/Z: 280/280/145 mm - Rapid traverse: 50 m/min - Load area travel X/Z: 110/90 mm - Number of tools: 8 - Number of driven tools: 2 - Driven tool speed: 6,000 rpm - Driven tool power: 9.5 kW - Tool type: Capto C4 - Dimensions: 1700 x 3000 x 2400 mm - Weight: 4,000 kg - Installed power: 2.5 kW EQUIPMENT - CNC Siemens 840 (INDEX C200-4D) - C axis - Linear scale feedback on linear axes - Sub-spindle - 1 turning tool holder for counter-rotation operation - Coolant tank with pump - Chip conveyor

Leto izdelave: 2002, Stanje: pripravljen za uporabo (rabljen), A CNC multi-spindle automatic lathe from Index, completely overhauled in 2020, is available. Number of spindles: 6, maximum bar passage: 32 mm, spindle speed: 6300 rpm, weight: approx. 10,800 kg, control system: Siemens Sinumerik. Bearing condition readings from 2024: HS1: 14.35, HS2: 15.45, HS3: 10.37, HS4: 11.16, HS5: 17.44, HS6: 7.54. Extensive refurbishments have been carried out on the spindles, cooling system, bearings, hydraulic lines, and more. Full documentation is available. An on-site inspection is possible. Lodjwr Dw Ropfx Ah Ajhr

Stanje: rabljeno, TECHNICAL DATA - Number of spindles: 6 - Max. diameter: 32 mm - Spindle speed: 6300 rpm - Slide unit 1.1: X and Z axes CNC controlled - Slide unit 1.2: X and Z axes CNC controlled - Slide unit 2.1: X and Z axes CNC controlled - Slide unit 2.2: X and Z axes CNC controlled - Slide unit 3.1: X and Z axes CNC controlled - Slide unit 3.2: X and Z axes CNC controlled - Slide unit 4.1: X and Z axes CNC controlled - Slide unit 4.2: X and Z axes CNC controlled - Slide unit 5.1: X and Z axes CNC controlled - Slide unit 5.2: X and Z axes CNC controlled - Slide unit 6.1: X and Z axes CNC controlled, with counter spindle - Slide unit 6.2: X and Z axes CNC controlled Lhedpfxouhar Eo Ah Asr EQUIPMENT - SIEMENS 840D CNC control - Counter spindle - Polygon turning attachment: Slide unit 5.1 - Bar feeder: IEMCA SIR MS32/38 F - Coolant tank: KNOLL * with high-pressure pump - Chip conveyor: KNOLL - Cooling unit - Parts catcher - Parts ejector - Fire protection system: KRAFT UND BAUER * NOTE: Functionality not guaranteed. Inspection by a qualified company on the buyer’s side required.

Leto izdelave: 2021, Stanje: pripravljen za uporabo (rabljen), A bar loading magazine Index is available. Bar diameter (round material): 10mm-65mm, max. bar diameter (hexagonal material): 55mm, max. bar diameter (square material): 46mm, bar length range: 1700mm/4200mm, feed force: 1500N, rapid traverse: 50m/min, feed rate: 30m/min. Machine length: approx. 5300mm, machine weight: approx. 2700kg. Documentation available. On-site inspection possible. Lhsdpfowtg E Hsx Ah Asr

Stanje: rabljeno, TECHNICAL DATA - Number of spindles: 2 - Number of axes: 6 - Number of turrets: 3 MAIN SPINDLE - Spindle drive power: 29 kW - Spindle speed: 6000 rpm - Max. bar diameter: 65 mm - Minimum C-axis resolution: 0.001° SUB SPINDLE - Spindle drive power: 4.2 kW - Spindle speed: 4500 rpm - Minimum C-axis resolution: 0.001° - Travel: 280 mm LEFT UPPER TURRET - Number of positions: 5 - Tool type: VDI25 RIGHT UPPER TURRET - Number of positions: 8 - Number of driven positions: 8 - Travel X/Z: 90/280 mm - Tool type: VDI25 - Driven tool speed: 4500 rpm - Driven tool power: 4.2 kW LEFT LOWER TURRET - Number of positions: 6 - Travel X/Z: 81/80 mm ELECTRICAL SUPPLY - Supply voltage: 400 V - Total connected load: 35 kW EQUIPMENT - Control: INDEX C200-4 Lhsdeuhac Dopfx Ah Ajr - Coolant tank with high-pressure pump - Chip conveyor - Parts removal - Parts conveyor belt - Collet chuck

Leto izdelave: 1997, Stanje: pripravljen za uporabo (rabljen), Swing diameter: 200 mm, max. turning diameter: 260 mm, turning height: 200 mm, spindle bore: 30 mm, spindle speed: 7,500 rpm, power: 10 kW, torque: 49 Nm. Travel X/Z: 520 mm / 200 mm, rapid traverse X/Z: 30 m/min, tool stations: 14, tool holder: VDI 30, driven tool speed: 6,000 rpm. Machine dimensions X/Y/Z: approx. 2,100 mm / 2,100 mm / 2,300 mm, weight: approx. 3,300 kg, control: Siemens Sinumerik. The X-axis of the machine exhibits running noise. Documentation available. An on-site inspection is possible. Lhedpfx Aevpvinoh Ajr

Stanje: rabljeno, TECHNICAL DATA - Number of spindles: 6, independently controlled - Bar capacity: 32 mm - Max. spindle speed: 6,300 rpm - Machine equipped with 32 numerical axes - Slide unit 1.1: X and Z axes NC-controlled - Slide unit 1.2: fixed X-axis, Z-axis NC-controlled - Slide unit 2.1: fixed X-axis, Z-axis NC-controlled - Slide unit 2.2: X and Z axes NC-controlled - Slide unit 3.1: X and Z axes NC-controlled - Slide unit 3.2: fixed X-axis, Z-axis NC-controlled - Slide unit 4.1: X and Z axes NC-controlled - Slide unit 4.2: fixed X-axis, Z-axis NC-controlled - Slide unit 5.1: fixed X-axis, Z-axis NC-controlled - Slide unit 5.2: X and Z axes NC-controlled - Slide unit 6.1: X and Z axes NC-controlled - Slide unit 6.2: X and Z axes NC-controlled - Counter spindle at position 6.1 EQUIPMENT - Control: INDEX C200-4 (Siemens SINUMERIK 840D) - Simpel NCU - Bar feeder: IEMCA SIR MS32/33/P - Oil supply unit with high-pressure pump - Chip conveyor: KNOLL Lhodpfx Aouhangsh Ajr - Cooling unit: RIEDEL - Workpiece ejection with conveyor at position 6 - Cross drilling units at positions 3.1 and 4.1

Stanje: rabljeno, TECHNICAL DATA - Number of spindles: 2 - Number of axes: 10 - Number of turrets: 3 MAIN SPINDLE - Spindle nose: A2-5 - Spindle drive power: 22/29 [kW] - Spindle speed: 7,000 [rpm] - Max. bar capacity: 42 [mm] - Max. main spindle chuck diameter: 110 [mm] - Minimum C-axis resolution: 0.001 [degrees] SUB SPINDLE - Spindle nose: A2-5 - Spindle drive power: 16.5/19 [kW] - Spindle speed: 7,000 [rpm] - Max. bar capacity: 42 [mm] * Max. main spindle chuck diameter: 110 [mm] - Minimum C-axis resolution: 0.001 [degrees] - Travel distance: 500 [mm] - Rapid traverse speed: 60,000 [mm/min] - Distance spindle/sub spindle: 515 [mm] LEFT UPPER TURRET - Number of positions: 10 - Number of driven positions: 10 - Travel range X/Z: 70 / 250 [mm] - Travel range Y: 70 [mm] - Tool type: VDI 25 - Driven tool speed: 8,000 [rpm] - Driven tool power: 4.2 [kW] RIGHT UPPER TURRET - Number of positions: 10 - Number of driven positions: 10 - Travel range X: 125 [mm] - Tool type: VDI 25 - Driven tool speed: 8,000 [rpm] - Driven tool power: 4.2 [kW] Ljdeu Uu H Repfx Ah Aehr LEFT LOWER TURRET - Number of positions: 10 - Number of driven positions: 10 - Travel range X/Z: 70 / 400 [mm] - Travel range Y: 70 [mm] - Tool type: VDI 25 - Driven tool speed: 8,000 [rpm] - Driven tool power: 4.2 [kW] ELECTRICAL SUPPLY - Supply voltage: 400 [V] - Total connected load: 68 [kVA] WEIGHT AND DIMENSIONS - Required floor space: 5540 x 2910 [mm] - Machine weight: 5,500 [kg] MACHINE HOURS - Spindle hours: 25,000 [operating hours] EQUIPMENT - CNC control: INDEX C200-4D (based on Siemens) - 3-color status lamp - Coolant tank * with high-pressure pump: 20 [bar] * with paper filter * with rinsing gun * internal coolant supply (ICS): main and secondary - Chip conveyor: RIGHT - Spindle cooling - Parts catcher - Bar feeder: IEMCA BOSS 545 E - Driven tool holders: 6 - Static tool holders: 24

Stanje: rabljeno, TECHNICAL DATA - Number of spindles: 6 - Max. bar diameter: 22 [mm] - Spindle speed: 10,000 [rpm] - Spindle power: 8.7/15 [kW] - Torque: 10/18 [Nm] - Number of sub spindles: 2 - Sub spindle speed: 10,000 [rpm] - Number of slides: 10 - Travel distances: X x Z = 62 x 85 [mm] - Number of slides for secondary machining: 2 - Stroke: X = 62 [mm] - Dimensions: 3330 x 1830 x 2860 [mm] - Weight: 5,700 [kg] Lhodpsw Ah R Njfx Ah Aor - Connected load: 75 [kVA] - Production hours: 20,000 [h] EQUIPMENT - CN Siemens 840D SL - 2 NCU - TRANSMIT / TRACYL function - ARTIS - 2 additional electronic shaft preparations - 2 SCARA sub spindles - 2 workpiece collectors with conveyor belt - Chip removal device for bar remnants - INDEX bar guide - Bar feeder interface - Fire protection system

Stanje: rabljeno, CNC multi-spindle automatic lathe INDEX MS32P Lhodpfowyfn Hsx Ah Aor

Stanje: rabljeno, TECHNICAL DATA - Number of axes: 7 - Number of spindles: 2 - Number of turrets: 1 MAIN SPINDLE - Spindle nose: A2-5 - Spindle drive power: 22 kW - Spindle speed: 6000 rpm - Max. bar diameter: 60 mm - Max. machinable diameter: 200 mm - Minimum C-axis resolution: 0.001° SUB SPINDLE - Spindle nose: A2-5 - Spindle drive power: 22 kW - Spindle speed: 6000 rpm - Max. bar diameter: 60 mm - Minimum C-axis resolution: 0.001° - Z travel: 445 mm TURRET 1 - Number of positions: 14 - Number of driven positions: 14 Lhedpfx Asu Hadheh Ajr - Travel X/Z: 105/400 mm - Travel Y: 120 mm - B-axis stroke: +90/-270° - Tool type: VDI 25 - Driven tools speed: 6000 rpm - Driven tools power: 5.5 kW ELECTRICAL SUPPLY - Supply voltage: 400 V WEIGHT AND DIMENSIONS - Footprint: 4,975 x 2,890 mm - Machine height: 2,050 mm - Machine weight: 4,800 kg EQUIPMENT - Control: Siemens 840C - Coolant tank * with high-pressure pump - Chip conveyor - Parts removal system - Parts conveyor belt - Bar feeder: LNS

Stanje: rabljeno, TECHNICAL DATA - Spindle power: 10.5 kW - Spindle speed: 10,000 rpm - Spindle type: A2-4 - Travel X/Y/Z: 280/280/145 mm - Rapid traverse: 50 m/min - Worktable travel X/Z: 110/90 mm - Number of tools: 8 - Driven tool speed: 6,000 rpm - Driven tool power: 9.5 kW - Tool holder type: Capto C4 - Dimensions: 1,700 x 3,000 x 2,400 mm - Weight: 4,000 kg - Installed power: 2.5 kW EQUIPMENT - Siemens 840D CNC Ledpjuhbgwsfx Ah Ajhr - C axis

Stanje: rabljeno, TECHNICAL DATA - Spindle power: 10.5 kW - Spindle speed: 10,000 rpm - Spindle type: A2-4 - Travels X/Y/Z: 280/280/145 mm Ljdpfx Ahouhbgde Ashr - Rapid feed rate: 50 m/min - Worktable strokes X/Z: 110/90 mm - Number of tools: 8 - Driven tool speed: 6,000 rpm - Driven tool power: 9.5 kW - Tool type: Capto C4 - Dimensions: 1700 x 3000 x 2400 mm - Weight: 4,000 kg - Installed power: 2.5 kW ACCESSORIES - Siemens 840D CNC control - C-axis

Stanje: rabljeno, TECHNICAL DATA - Spindle power: 10.5 kW - Spindle speed: 10,000 rpm - Spindle type: A2-4 - Travels X/Y/Z: 280/280/145 mm - Rapid traverse: 50 m/min - Table travel X/Z: 110/90 mm - Number of tools: 8 - Driven tool speed: 6,000 rpm - Driven tool power: 9.5 kW - Tool type: Capto C4 - Dimensions: 1700 x 3000 x 2400 mm - Weight: 4,000 kg - Installed power: 2.5 kW Lodpfxeuhbf Tj Ah Ashr EQUIPMENT - Siemens 840D CNC control - C axis