Beli Portal bekas (1.560)

Tahun pembuatan: 2001, Kondisi: siap digunakan (bekas), Operating hours: approx. 40,000 h, limited documentation available, regularly maintained, suitable for aluminium and wood, available from June/July 2024, on-site inspection possible. Guedpfx Adjp S Sq Ioqeh

Kondisi: baik (bekas), Tahun pembuatan: 2004, Fungsionalitas: berfungsi sepenuhnya, jarak pergerakan sumbu X: 4.000 mm, jarak lintasan sumbu Y: 2.500 mm, jarak gerak sumbu Z: 1.000 mm, beban meja: 25.000 kg, jarak meja ke pusat spindel: 3.000 mm, Kepala frais baru Spindle HSK-100 Siemens-840-D Mesin dalam kondisi baik. Guedpjwq Thiofx Adqeh

Kondisi: bekas, Tahun pembuatan: 1965, Dimensions (length/width/height): 10,460 × 5,715 × 5,537 mm Horizontal spindle head travel: 3,160 mm Gujdpsuh E Tbefx Adqoh Vertical spindle head travel: 1,000 mm Milling length: 2,250 mm Machine weight approx.: 76,660 kg

Kondisi: bekas, jarak tempuh: 347.607 km, daya: 285 kW (387,49 hp), pendaftaran pertama: 09/2012, jenis bahan bakar: diesel, warna: hijau, konfigurasi gandar: 6x2, ukuran ban: 385/65 R22.5, bahan bakar: diesel, jarak roda: 4.600 mm, rem: pengereman mesin, tipe perpindahan gigi: otomatis, kelas emisi: Euro 5, suspensi: udara, Tahun pembuatan: 2012, Perlengkapan: kopling trailer,

Kondisi: sangat baik (bekas), Tahun pembuatan: 1995, X-axis travel 14,000 mm y-axis travel 5,000 mm z-axis travel 1,500 mm w-axis 3,000 mm Distance between columns 4,000 mm Portal column: Distance table to spindle nose 4,500 mm Godpevwgm Hofx Adqsuh Workpiece weight 100 t Table dimensions - longitudinal 9,000 mm Table dimensions - transverse 3,000 mm Spindle taper ISO SK 50 Spindle speeds 2-2,500 rpm Spindle drive 113 kW Spindle diameter 200 mm Spindle torque 9,500 Nm Feed range x-axis 1-10,000 mm/min Feed range y-axis 1-10,000 mm/min Feed range z-axis 1-10,000 mm/min Rapid traverse 20,000 mm/min Height above floor 8,600 mm Control SIEMENS 840C Machine weight approx. 360 t >>>retrofit 2011

Kondisi: bekas, Tahun pembuatan: 2018, Looking for a gantry milling machine? With X-travel from 2 to 15 meters, Y-travel up to 4 meters, and Z-travel up to 2 meters, we offer you a versatile selection of machines for various machining requirements. Whether CNC universal heads, W-axis, rotary tables, tool changers, or controls from renowned manufacturers like Siemens, Fanuc, and Heidenhain – our extensive range of accessories ensures you maximum flexibility and efficiency. Have a look at the PDF catalog below! Discover the ultimate precision and robustness of our refurbished CORREA gantry milling machines, carefully overhauled by our experts in Spain. These machines have been inspected to the highest standards and guarantee you premium machining quality. A standout example is our in-stock pre-owned CNC gantry milling machine VM 2018, equipped with the proven Heidenhain control system. With impressive performance data and detailed technical features, this machine offers everything you need for precise and efficient machining. x-travel: 2300 mm y-travel: 2000 mm z-travel: 1000 mm table size: 2300 x 1600 mm T-slots (width x pitch x quantity): 8 x 22 x 180 mm max. table load: 8 t distance between columns: 1840 mm distance spindle nose to table: 180~1180 mm spindle motor: 22/46 kW torque at spindle: 140.1/286.5 Nm (S6-25%) spindle taper: SK 50 spindle speed: 10000 rpm (direct drive) rapid traverse X,Y: 20000 mm/min rapid traverse Z: 15000 mm/min milling feed range: 1~10000 mm/min machine dimensions (LxWxH): 7027 x 5217 x 4339 mm total power requirement: 60 kVA machine weight approx.: 25 t CNC control: Heidenhain TNC 620 chip conveyor with chip bin: 2 spiral, 1 hinged belt IKZ: 20 bar CE-compliant: certified by TÜV Used CNC gantry milling machine with HEIDENHAIN 620 TNC control and extensive accessories, featuring: - Monoblock cast-iron machine bed and monoblock crossbeam for maximum rigidity and precise machining results. - Complete structure analyzed by FEM to optimize rigidity and precision. - P-class linear guide feed rollers allow maximum loading with a low coefficient of friction (0.003–0.006). They ensure smooth operation thanks to optimized roller circulation and guidance, which also reduces energy consumption. - Double-nut C3 ball screws guarantee precise milling even under heavy loads. - Direct drive spindle with 10,000 rpm and SK50 tool holder. - Spindle motor power 22/46 kW (S6-25%). (22 kW continuous, 46 kW up to 30 min overload). - Spindle torque 140.1/286.5 (S6-25%) Nm. - Two spiral conveyors and one chain chip conveyor for efficient chip removal. Gusdehx R Dkepfx Adqeh All essential components from well-known European manufacturers, ensuring reliable, short-term, and long-term spare parts availability. Don't miss the chance to optimize your production processes and invest in premium milling technology. Experience the difference our gantry milling machines make – reliable, durable, and ready to tackle your most demanding tasks. Contact us today for expert advice. Other machines in stock on request.

Tahun pembuatan: 2014, Kondisi: siap digunakan (bekas), A complete CNC dual-gantry plasma cutting system by Microstep, equipped with oxy-fuel torch for nesting, bevel cutting, and pipe processing, is available. 1) Plasma cutting machine: Max. working length: 16,500 mm, max. working width: 2,500 mm, max. working width including nesting: 3,700 mm, max. material thickness for stainless steel/structural steel: 20 mm/40 mm, number of gantries: 2. Gantry 1: with a plasma rotator and Kjellberg HiFocus 280i neo plasma source. Gantry 2: fully automatic acetylene oxy-fuel torch, with option to equip a second torch carriage. Pipe cutting device: pipe diameter range: 30 mm - 700 mm, max. pipe length: 16,500 mm, operating hours: approx. 15,000 h. Gedpfjwmqwyox Adqouh 2) Donaldson Cyclopeel DFPRO 16 extraction and filtration unit, air flow rate: 16,000 m³/h, filter elements: 16. Documentation available. On-site inspection possible. Expected to be available from late 2025/early 2026. Photos are from commissioning in 2014.

Kondisi: sangat baik (bekas), Tahun pembuatan: 2002, Fungsionalitas: berfungsi sepenuhnya, jam operasional spindle: 4.486 h, Initial commissioning: 2002 Control system: Fidia C20 with HPX operator panel Machine hours: 146,161 h X-axis: approx. 3,000 mm Y-axis: approx. 2,360 mm Z-axis: approx. 1,500 mm A-axis: ± 105° C-axis: ± 300° Clamping table Clamping area: approx. 5,000 x 2,000 x 400 mm T-slot spacing: 18H12 / 250 mm Table load capacity: 15,000 kg/m² 2-axis milling head AC3 (2003) Spindle power: 28 kW Spindle speed: max. 18,000 rpm Torque: 90 Nm Tool holder: HSK 63A Tool clamping: hydraulic Minimum quantity lubrication: external Linear axis drives Feed rate X-, Y-axis: up to 20 m/min Gedpew Au H Refx Adqsuh Feed rate Z-axis: up to 20 m/min Axis acceleration X-, Y-, Z-axis: up to 1.5 m/s² Connection data Connected load: 40 kW Pre-fuse: approx. 80 A Dimensions, weights Space requirement (machine with peripherals): approx. 7,300 x 5,600 x 5,600 mm Total weight: approx. 16,500 kg Colour Enclosure, gantry, control cabinet: light grey Milling head and applications: turquoise Additional equipment - 18-position chain tool changer - 3-sided enclosure, without extraction ducts Condition of the machine Fully functional, very good condition. Dismantled and stored, immediately available.

Kondisi: baru, Tahun pembuatan: 2023, jarak pergerakan sumbu X: 6.000 mm, jarak lintasan sumbu Y: 4.000 mm, jarak gerak sumbu Z: 1.500 mm, (Distance between machine columns 3,520 mm) Z-axis: 1,500 mm Heidenhain control system Water-cooled inline motor 43 kW / 900 Nm Automatically indexing milling head 6,000 rpm / 2 levels, 90°|45° / 0.001° x 0.001° Three-sided safety enclosure Electronic handwheel 2 x chip conveyors 60-position tool changer Gedpfx Aeqrq Emedqjuh

Kondisi: baik (bekas), Stable crane system, ideal for glass storage or workshop use. Load capacity: 3 t Length: 14,250 mm Width: 8,500 mm Height: 3,650 mm Maximum hook height: 3,280 mm Gujdpferyv S Asx Adqjh Maximum overall height: 3,950 mm.

Kondisi: baik (bekas), Tahun pembuatan: 2005, x-travel 6000 mm y-travel 3500 mm z-travel 1500 mm Control SIEMENS 840D Table load capacity 12 t Height above floor level 6300 mm Table dimensions - longitudinal 5000 mm Table dimensions - crosswise 2500 mm Number of tables 2 Tool changer 200 positions Max. tool weight 30 kg Tool holder HSK A 100 Gjdpfevwglvjx Adqjuh Max. tool diameter 250 mm Max. tool length 500 mm Spindle speeds 5-6000 rpm C-axis -10 to 370° B-axis 5 to -95° Column clearance 3000 mm Distance spindle nose to table 1500 mm Machine weight approx. 161 t Space requirement approx. 20.5 x 11 x 6.3 m This WALDRICH-COBURG Valutec portal milling machine is in a very, very good condition and can be inspected by appointment with the seller.

Kondisi: bekas, Tahun pembuatan: 1987, Fungsionalitas: berfungsi sepenuhnya, Angular milling head - Manufacturer: Waldrich Siegen Gjdpfx Adorfw R Hjqjuh - Model: ET500 - Reference no.: 11290/731

Kondisi: bekas, Tahun pembuatan: 2014, X-axis: 1250 mm, Y-axis: 1280 mm, Z-axis: 150 mm, max. feed rate: 15 m/min, repeatability: 0.01 mm, spindle speed: 0–24,000 rpm, software: VCarve Pro, data formats: HPGL-3D / G-Code, spindle power: 6.5 kW, control: Siemens Sinumerik 808D Milling, weight: 1.2 t, with collet spindle, phenolic vacuum high-pressure table, 850 W Yaskawa servo motors, steel machine base, precision ball screws on all axes, X-axis with dual drive, linear guides, protective covers for all drive axes, extraction shoe for chip extraction, automatic mist cooling and material sensor. Guedpfewqd Rhsx Adqoh

Kondisi: bekas, x-travel 11,000 mm y-travel 3,000 mm z-travel 1,300 mm Ram diameter 300 mm Clear width 3,270 mm Clear height 1,500 mm Clamping area 11,000 x 3,000 mm Spindle speed: 600 rpm Tool holder SK ISO 60 Spindle diameter 200 mm Power requirement 125 kW Feeds X-axis 0 - 20 m/min Feeds Y-axis 0 - 2 m/min Rapid traverse - portal in x 0 - 20 m/min Rapid traverse - portal in y 0 - 2 m/min Converted planing machine Gsdpfjw Ahxtjx Adqeuh Control: automatic linear milling cycle Standard angle head

Tahun pembuatan: 2003, Kondisi: siap digunakan (bekas), - USATO - CENTRO DI LAVORO CNC A PONTE 5 ASSI CON TAVOLA ROTANTE CORSA LONGITUDINALE: 2700 mm CORSA TRASVERSALE: 1100 mm CORSA VERTICALE: 1400 mm AVANZAMENTI RAPIDI L-T-V: 24 m/min DIMENSIONI TAVOLA: 1800 x 1800 mm CARICO MASSIMO AMMESSO: 15000 Kg MANDRINO: 240-24000 giri/min; 34 kW TESTA: ASSI A/B CONTINUI AUTOMATICI; Asse A -110°+95° Asse C ±200° CAMBIO UTENSILI: TIPO CATENA; 42 POSIZIONI UNITÀ DI CONTROLLO: FIDIA C20 DISTANZA NASO MANDRINO-TAVOLA: 1600 mm PESO: 21500 Kg DIMENSIONI D’INGOMBRO: 5950 x 5430 x 5220 mm Gujdswmxnmopfx Adqsh ACCESSORI: EVACUATORE TRUCIOLI; PULSANTIERA PENDOLARE

Kondisi: hampir baru (bekas), Tahun pembuatan: 2022, x-axis travel 2500 mm y-axis travel 3500 mm z-axis travel 1500 mm Control HEIDENHAIN TNC 640 c-axis ±360° Milling head - swiveling ° Gusdsvwgtyopfx Adqeh Milling head can be rotated ±360° Table dimensions - longitudinal 2500 mm Table dimensions - transverse 3500 mm Table load capacity 6 t/m² Coolant system IKZ 70 bar Feed rate 60 m/min Spindle speeds 24,000 rpm Tool holder HSK-A63 Milling spindle motor S6 (40% / 2 min) 41 kW Spindle torque S6 (40% / 2 min) 49 Nm Milling spindle motor S1 (100% / 2 min) 34 kW Spindle torque S1 (100% / 2 min) 39 Nm Tool changer 60 positions Machine weight approx. 74 t Space required approx. 4 x 7.5 x 5.4 m This thermosymmetric, ergonomic, universal ZIMMERMANN FZU32 gantry milling machine is in mint condition and can be inspected under power by arrangement at the seller’s premises. DESCRIPTION: The FZU32 is a remarkably compact 5-axis gantry milling machine for machining aluminium, fibre-reinforced composites, plastics, Ureol and steel. Thanks to the especially rigid, newly developed central-guided portal, it is capable of meeting the increasing demands in model making, toolmaking, and mould construction. The thermosymmetric design makes the FZU32 less sensitive to adverse environmental conditions.

Tahun pembuatan: 2015, Kondisi: siap digunakan (bekas), A CNC gantry-type flame cutting system by ESAB is available. Track gauge: 4000mm, cutting dimensions X/Y: 3000mm/6000mm, rail length: 8000mm, rail height: 465mm, table height: 700mm, cutting speed: 24m/min, cutting table dimensions X/Y: 3100mm/6180mm. Cutting methods: oxy-fuel/plasma, torch: Cooljet-Pro, plasma power source: m3 202 EPP 202 GEN 2, plasma torch: PT-36. Filtration capacity: 9000m³/h, filter area: 180m², particle size: 0.1µm. The plasma source cooling unit needs to be repaired. Documentation is available. On-site inspection is possible. Gujdpfxjw Azu Io Adqeh

Tahun pembuatan: 1993, Kondisi: siap digunakan (bekas), - USATO - CENTRO DI LAVORO CNC A PONTE 5 ASSI CORSA LONGITUDINALE: 2800 mm CORSA TRASVERSALE: 2200 mm CORSA VERTICALE: 1500 mm AVANZAMENTI RAPIDI L-T-V: 20 m/min DIMENSIONI TAVOLA: 3000 x 2000 mm CAPACITÀ DI CARICO MASSIMA: 20000 Kg Gujdjwla H Uopfx Adqeh TESTA: ASSI A/B AUTOMATICI ; ISO 30 ; Asse A ±100° - Asse B ±185° ; 15000 rpm; 11 kW CAMBIO UTENSILI: TIPO A CATENA ; 12 POSIZIONI UNITÀ DI CONTROLLO: FIDIA CXR10 DISTANZA TRA MONTANTI: 3600 mm INGOMBRO MACCHINA: 7000 x 4000 x 6485 mm ACCESSORI: VOLANTINO PORTATILE

Kondisi: sangat baik (bekas), Tahun pembuatan: 2014, Travel (x-axis): 8000 mm Travel (y-axis): 3500 mm Travel (z-axis): 2500 mm Control: HEIDENHAIN iTNC530 Spindle speed: 24,000 rpm Spindle motor: 45 kW Tool holder: HSK A-63 Tool changer: 50 positions Table dimensions – longitudinal: 9500 mm Table dimensions – cross: 3000 mm Coolant system: High-pressure internal coolant supply (IKZ) 40 bar C-axis: 360° Guodpfxswli Tqo Adqoh Swiveling spindle head: +/- 110° Machine weight: approx. 84 t This ZIMMERMANN FZ 37-5 is in very good condition and available immediately. Description: Portal milling machine ZIMMERMANN FZ 37-5 Year of manufacture: 2014 Control: Heidenhain iTNC 530 X/Y/Z traverse paths: 8,000/3,500/2,500 mm Spindle speed: 25,000 rpm Tool holder: HSK 63 Spindle: Technology: Motor spindle Speed: 25,000 rpm Power: 45 kW Tool holder: HSK 63 NC Swivel Head: Technology: Fork head, VH 20 A-axis: +/- 110°, 0.001° C-axis: 360°, 0.001° Clamping: Hydraulic Work table: Clamping surface: 9,500 x 3,000 mm Max. table load: 5,000 kg/m² T-slots: 18 H12 Spacing: 250 mm Tool magazine: Type: Chain magazine Tool changer: Double gripper Number of tool positions: 50 Max. tool diameter: 125 mm Max. tool length: 300 mm Features / accessories: Position measuring systems: Direct in all axes Chip disposal: Chip conveyor Coolant supply: IKZ system, 40 bar Workpiece measuring: Renishaw RMP 60 Tool measuring: BLUM laser Setup operation: Electronic handwheel

Kondisi: siap digunakan (bekas), A CNC gantry milling machine FKD-Feichter with 2 columns is available. Travel paths X/Y/Z/W: 6000mm/4800mm/1500mm/1300mm, table dimensions X/Y/Z: 6000mm/3000mm, max. workpiece weight: 115,000kg, max. table load capacity: 6,400kg/m², total machine bed length: 14,500mm, gantry dimensions X/Y: 3,000mm/4,400mm, C-axis: 360°, A-axis: +/-120°, ram cross-section: 700mm/700mm, feed rate: 10m/min. Overall system dimensions X/Y/Z: approx. 15,100mm/6,100mm/7,000mm, total system weight: approx. 115,000kg, control: Heidenhain. Includes chip protection, coolant system, and hydraulic unit. The machine was built on site in 2022. The ram and spindle are currently being overhauled. Documentation is available. On-site inspection is possible. Expected to be available from September 2025. Gedpfxjw Az N Sj Adqeuh

Kondisi: baik (bekas), Tahun pembuatan: 1991, x-travel 4000 mm y-travel 2500 mm z-travel 1200 mm Control: FIDIA M30 Spindle power: 37 kW Spindle speed: 4,500 rpm Gantry clearance: 2,300 mm Distance spindle to clamping surface: 1,250 mm Spindle taper: ISO SK-50 Table dimensions (longitudinal): 3,000 mm Table dimensions (cross): 1,500 mm The 5-axis portal milling machine Ingersoll-Bohle is in good condition and inspections can be arranged with the seller. Godpsvwgmgjfx Adqeuh Accessories: - High-frequency rapid spindle, 3.8 kW, with 25,000 rpm Description: - Steplessly adjustable angled milling head (spindle speed: 4,500 rpm)

Kondisi: siap digunakan (bekas), Drilling capacity (steel): 100 mm, max. pitch circle diameter: 7000 mm, spindles: 2, spindle speed: 3000 rpm, spindle mount: ISO 50, drilling slide travel: 900 mm, feed rate: 6 m/min, power: 125 kW. Machine dimensions X/Y/Z: approx. 13,000 mm / 11,000 mm / 5,100 mm, weight: approx. 18,000 kg. On-site inspection is possible. Gujdpjvriq Refx Adqsh

Kondisi: sangat baik (bekas), Tahun pembuatan: 2002, x-axis 4000 mm y-axis 3500 mm z-axis 1500 mm Control: SIEMENS 840 D Gusdpfx Adovwgmmsqjh w-axis 1500 mm Column clearance: 2500 mm Clamping surface: 3000 x 2000 mm Workpiece weight capacity: 10,000 kg Spindle speeds: 5-6,000 rpm Gear stages: 2 Drive power - milling spindle: 45 kW Distance spindle to clamping spindle: 3500 mm Spindle torque: 1,250 Nm Tool changer capacity: 200 positions Tool diameter: 135 / 250 mm Max. tool weight: 50 kg Max. tool length: 400 mm Tool holder: ISO SK-50 The portal milling machine is in very good condition. ADDITIONAL EQUIPMENT FOR DRILLING/MILLING Angle milling head yes Automatic tool clamping yes Ball screw drives yes Guideway covers yes Coolant system yes High pressure cooling system (internal coolant supply) yes Fully enclosed work area yes Portal machining center with tool changing system and second table plate.

Tahun pembuatan: 2020, Kondisi: siap digunakan (bekas), Tersedia mesin frais CNC portal 3 sumbu Stepcraft. Perjalanan X/Y/Z: 2440mm/1220mm/140mm, dimensi mesin X/Y/Z: sekitar 2650mm/1600mm/900mm, berat: sekitar 300kg. Termasuk berbagai dudukan dan unit pengontrol manual. Dokumentasi tersedia. Inspeksi di lokasi dimungkinkan. Gedpfew Ni I Usx Adqeuh

Kondisi: sangat baik (bekas), Tahun pembuatan: 2016, x-travel 2500 mm y-travel 3000 mm z-travel 1250 mm Control HEIDENHAIN iTNC 530 Spindle speed 22000 rpm Tool holder HSK A-63 Spindle motor 60 kW Swiveling spindle head +/- 110° C-axis 360° Tool changer 50 positions Table size (longitudinal) 2500 mm Table size (crosswise) 3250 mm Coolant system 40 bar Machine weight approx. 60 t Space requirement approx. 7.6 x 7.3 x 5.7 m This ZIMMERMANN FZ33c is in very good condition. The machine is available immediately. Description: Technical specifications of the unit and working ranges X-axis 2500 mm Y-axis 3000 mm Z-axis 1250 mm A-axis ±110° C-axis ±300° Includes vibration sensor Includes bearing temperature sensor Includes rotary union for internal coolant supply (IKZ) 5-axis path control: Heidenhain iTNC 530 / handwheel HR520, 15" TFT color display Extraction system Keller Vario P1 Machine enclosure roof 50-position tool changer, chain magazine, located at the rear of the machine Chip conveyor, 60° left discharge, at the end face Probe Renishaw RMP60 Blum laser tool measurement "Control NT-Micro" Clamping table: Length x width x height 2500 x 3250 x 400 mm Table load capacity 8000 kg/m² (max. 16000 kg) T-slots, longitudinal 18H12 T-slot spacing 250 mm Dimensions, weights Installation area (without peripherals) approx. 7600 x 7300 x 5650 mm Gusdpfx Adewlvrmoqsh Total weight approx. 53500 kg Electrical connection values Voltage (three-phase) 400 V Frequency 50 Hz Fuse as per installation plans Power requirement as per installation plans Compressed air connection (by customer) Required air pressure 6 bar Average air consumption approx. 15 m³/h (depending on machine equipment) Drives Linear axes Rapid traverse X, Y, Z axes 60 m/min Axis acceleration X, Y, Z axes up to 5 m/s² Drives Rotary axes – VH30 Rapid traverse A, C axes 360°/s Axis acceleration A, C axes 700°/s² Resolution A, C axes 0.0001° Accuracy Linear axes – according to VDI / DGQ 3441 Positioning accuracy X-axis P = 0.026 mm Y-axis P = 0.028 mm Z-axis P = 0.020 mm Repeatability X-axis Ps = 0.015 mm Y-axis Ps = 0.016 mm Z-axis Ps = 0.010 mm Measuring system resolution (interpolated) A, C axes 0.0001° Accuracy Rotary axes – VH30 Positioning accuracy A, C axes P = 12" = 0.0033° Repeatability A, C axes Ps = 8" = 0.0022° Milling head VH30 2-axis milling head: VH30, Milling spindle Siemens Weiss Spindle power S1 (100% duty cycle) 60 kW, Spindle speed 22,000 rpm, 95 Nm, HSK-A63 Dimensions of fork head L x W approx. 500 x 600 mm Nominal torque rotary axes (closed loop) A: min. 1200 Nm C: min. 1047 Nm Clamped A and C axes: 3000 Nm (Permanent grease lubrication with automatic re-lubrication system) Swivel axis – spindle nose 326 mm Tool holder HSK 63 A Tool clamping Spring clamp Tool unclamping Hydraulic Permissible tool weight 4.5 kg (manufacturer specification) Coolant supply External and internal Coolant/lubricant supply (emulsion) at the face end of the milling spindle with belt filter system Capacity 1500 l Pump 1: 40 l/min at 20 bar Pump 2: 20 l/min at 40 bar Blow-off air at the face end of the milling spindle