Used Revolving Center for sale (14,958)

Condition: used, Year of construction: 2011, HWACHEON HI-TECH 200B MC CNC LATHE MAKE HWACHEON, MADE IN SOUTH KOREA MODEL HI TECH 200B, MC YEAR 2011 CONTROL FANUC Oi-TD SWING OVER BED 500.0 mm SWING OVER SADDLE 390.0 mm MAX MACHINING DIA 350.0 mm MAX WORK LENGTH 400.0 mm TRAVERSES (XZ) X AXIS: 195.0 mm Z AXIS: 430.0 mm CHUCK DIA 250.0 mm MAX. SPINDLE SPEED 3,500 RPM SPINDLE NOSE A2-8 SPINDLE BAR CAPACITY 76 mm TURRET 12 STATIONS MACHINE WEIGHT 4,500 kgs PLUS C AXIS MILLING CNC BARFEED Fsdpfx Aaeyyy Sto Ejpp RENISHAW PROBE PARTS CATCHER TAILSTOCK SWARF CONVEYOR MACHINE MANUALS

Condition: excellent (used), Year of construction: 2021, operating hours: 4,300 h, DOOSAN T3600D VERTICAL MACHINING CENTRE YEAR: 2021 CONTROL: FANUC i PLUS X TRAVERSE: 520.0mm Y TRAVERSE: 360.0mm Z TRAVERSE: 350.0mm Fodpfx Aajz R T D Uo Ejpp MAX. SPINDLE SPEED: 12,000 rpm TAPER: BT30 X-Y RAPIDS: 48.0m/min Z RAPID: 56.0m/min MAX.CUTTING FEED RATE: 28.0m/min TABLE SIZE: 2 X 650 X 375.0 mm

Condition: excellent (used), Year of construction: 2005, X 450 Y 300 Z 300mm, BT 30, 10.000Rpm, cooling trough spindle, paper filter, Mitsubishi Fjdpfetiyl Eox Aa Eepp

Condition: used, Year of construction: 2011, X-Y working area: 4,422 x 1,753 mm X-Y travel: 4,955 x 1,918 mm Z-axis travel: Z = 400 mm 5-axis MORBIDELLI milling spindle C-axis rotation: 650° B-axis tilt: 290° (-10°) Power: 11 kW at 20,000 rpm, adjustable via inverter Liquid cooling HSK 63F interface Chip conveyor Automatic CNC central lubrication RAPID 24 tool changer (24 tool positions) Drill head extension with 30 + 6 spindles 8 positioning aids 2 cross lasers Vacuum pump 250 m³/h PC control with Windows Office Weight approx. 5,000 kg Fedpfxey D Rv De Aa Espp Storage location: Customer

Condition: used, Year of construction: 2015, functionality: fully functional, total height: 3,500 mm, total length: 5,900 mm, total width: 4,000 mm, SW Swabian Machine Tools BA W08-22 CNC control system: Siemens SINUMERIK 840 D sl Work area X-axis: 800 mm Y-axis (swiveling): 900 mm (1,200 mm) Z-axis: 660 mm Spindle distance, fixed (variable)*: 800 mm (799 mm - 851 mm) Workpiece clamping Swiveling table/counter bearing with helical gearing: swiveling time 0/180°: approx. 5.0 s A- and U-axes, prepared for mounting of clamping bridges, up to max.: Ø 950 mm x 1,830 mm Drive system: Torque motor Transport load: 2 x 800 kg Speed range A-, U-axes: 1 - 40 min-1 Working spindle HSK-A80 Speed range: 1 - 12,500 min-1 Acceleration time 0 - nmax: < 0.9 s Spindle bearing diameter: 90 mm Power / torque (10% duty cycle): 2 x 42 kW / 2 x 200 Nm (10% duty cycle) Feed drive Drive system: Linear motor Rapid traverse X / Y / Z: 120 m/min Axis acceleration X / Y / Z: 11 / 11 / 22 m/s2 Max. feed force X / Y / Z: 2 x 8,000 / 16,000 / 2 x 8,000 N Accuracy Position measurement: Direct, absolute Position tolerance X / Y / Z: Tp = ≤ 0.006 mm Repeatability R (ISO 230-2) ≤ 0.004 mm Tool magazine Tool changing system: Pick-Up Capacity: 2 x 42 (2 x 70 / 2 x 91 / 2 x 126)* Max. tool Ø: 85 / 200 mm (-o-) Max. tool length: 550 mm Max. tool weight: 12 / 18 kg Tool change chip-to-chip time: approx. 3.00 s Fsdpfx Aaez D Ey Ee Espp Weight / Dimensions Machine weight: approx. 24,000 kg Transport dimensions W x H x D: 4.00 m x 3.5 m x 5.70 m Installation dimensions W x H x D: 5.35 m x 4.20 m x 8.20 m Connection power Operating voltage: 3 x 400 Volt, 50 Hz, TN-S/TN-C network Total connection power: approx. 152 kVA Average air consumption: 0.6 Nm³/min (5.5 bar) Several machines are available. The machines were integrated into an automated system. They were loaded by a robot system. They were connected to a central coolant system. Therefore, these machines do not have their own coolant system. Chips were also removed via a central disposal system.

Condition: used, Year of construction: 2011, operating hours: 5,051 h, functionality: fully functional, machine/vehicle number: 20, travel distance X-axis: 730 mm, travel distance Y-axis: 650 mm, travel distance Z-axis: 800 mm, controller model: PRO 5, spindle speed (max.): 14,000 rpm, number of spindles: 1, number of slots in tool magazine: 60, Equipment: chip conveyor, documentation/manual, Makino A61nx, 4-axis horizontal machining center, fully functional and can be inspected while powered on. 11,324 hours of power-on time 5,051 hours of operating/runtime 3,253 hours of machining time 4,188 hours of spindle runtime A Travels  X-axis travel (frame) ..... 730 mm  Y-axis travel (spindle) ..... 650 mm  Z-axis travel (table) ..... 800 mm  Distance from pallet surface to spindle center ..... 80 ~ 730 mm  Distance from pallet center to spindle nose ..... 100 ~ 900 mm Fedpfx Aaezw Dzdo Eopp  Linear guides, heavy-duty design, size (roller bearing) ..... #55  Size of ball screws (X, Y-axis / Z-axis) ..... #45 / #50 B NC rotary table (DD motor) C1 Spindle 14,000 rpm (240 Nm)  Tool holder ..... HSK-A63 D Feed drives  Rapid traverse speed ..... 60,000 mm/min  Feed speed ..... 1 ~ 50,000 mm/min  Feed speed (jog mode) ..... 1 ~ 8,000 mm/min Tool magazine  Storage capacity ..... 60 tools  Maximum tool diameter with space allocation ..... 170 mm  Maximum tool diameter without restrictions ..... 70 mm  Maximum tool length ..... 510 mm  Maximum tool weight ..... 12 kg Tool change time increases for tool weights over 8 kg.  Maximum imbalance relative to the gripper groove ..... 11.7 Nm  Maximum total weight of all tools in the magazine ..... 180 kg  Tool-to-tool change time (without door movement) ..... 0.9 s  Chip-to-chip time (ISO method) ..... 2.8 s  Tool ready time in the magazine (min./max.) ..... 3.1 / 6.1 s Drives  Main drive ..... AC15 kW  Feed drives (XYZ axes) ..... AC4 kW  Table (indexing table) ..... AC0.9 kW

Condition: used, Year of construction: 2009, machine/vehicle number: 19727, with CNC control, manufactured by HEIDENHAIN, type: ITNC 530, travel distances: X-axis: 800 mm, Y-axis: 600 mm, Z-axis: 500 mm, with automatic tool changer with 30 tool positions, with coolant system, chip conveyor, manufactured by KNOLL, type: 340 K-1, machine weight: 7000 kg, spindle operating hours: 13,122 hours. Fpedpfo Af Nlxex Aa Eep

Condition: good (used), Year of construction: 2008, functionality: fully functional, machine/vehicle number: 49063, travel distance X-axis: 800 mm, travel distance Y-axis: 800 mm, travel distance Z-axis: 800 mm, controller manufacturer: Siemens, controller model: 840D SL, overall weight: 12,000 kg, spindle speed (max.): 12,000 rpm, operating hours of spindle: 69,700 h, For sale is a highly productive, horizontal 4-axis CNC machining center, type Heller H 4000, manufactured in 2008. The machine comes from a factory closure and is characterized by extreme stability, high precision, and maximum reliability in series and single-part production. It is fully functional and can be inspected while powered on, by arrangement. Equipment: - Horizontal spindle - Pallet changer with rotary table - Siemens 840D SL control system - Additional 4-position rotary table Keppler SN: M4.4906301 (each with a rotary table) Fedpfxs Afva Eo Aa Eopp - Chip conveyor Knoll 600K-1 - Fine chip removal - Coolant/lubricant treatment system with strip filter - Chain magazine with 160 tool positions HSK 63 Accessories: - Workbench (8 drawers) - Telescopic drawer cabinet - Shelf Contents: Hand tools, various analog and digital measuring instruments, machine accessories Attractive offer – flexible & worry-free We offer not only a high-quality product but also customized financing options that can be tailored to your needs. Whether it's a down payment, installment payment, or individual financing models – together we will find the right solution. If desired, we will also take over the complete transport organization. From planning to reliable delivery, we ensure a smooth and timely process so that you don't have to worry about anything. 📞 Please contact us for more information or a non-binding offer. We will provide you with personal and competent advice. Subject to prior sale, changes and errors!

Condition: good (used), Year of construction: 1995, travel distance X-axis: 1,000 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 600 mm, 4-axis machine X-axis travel: 1000 mm Y-axis travel: 600 mm Z-axis travel: 600 mm Control system: Heidenhain TNC 426 Fjdpfxs Ai D Hno Aa Eopp Spindle nose: 100-700 mm Work table: 1,080 x 580 mm Maximum workpiece weight: 550 kg T-slots: 7 T-slot width: 14 mm Tool magazine with: 36 positions Maximum tool weight: 8 kg Maximum tool length: 340 mm Machine weight (approx.): 6.2 t Space requirement (approx.): 4,790 x 5,330 x 2,905 mm

Condition: good (used), Year of construction: 1986, Swing diameter: 1,320 mm Turning length: 5,000 mm Fsdpo Ai A Ixefx Aa Eepp Faceplate diameter: 1,250 mm Workpiece weight: 14 t Swing diameter over support: 900 - 950 mm Total power requirement: 45 kW Machine weight approx.: 18 t

Condition: used, Technical details: x-travel: 800 mm y-travel: 800 mm z-travel: 800 mm Fedpfxjwix Hhj Aa Eepp turning speeds: 35-10.000 1/min spindle: 37 / 30 kW max. torque on the spindle: 525 / 206 Nm Tool bore: BT 50 rapid traverse: 60 m/min tool change unit: 160 Pos. size of pallet: 500 X 500 mm control: MAZATROL 640M Nexus c-axis: 0,001° x 360.000 workpiece weight: 1.000 kg workpiece height max.: 1.000 mm interference area: 900 mm 2 pcs. horizontal machining centers (HCN 6000-II + HCN 6000, 2005), interlinked with pallet pool (16 pallets) MAZAK FMS, 2 pallet changer, chipconveyor, coolant device with internal coolant supply, *

Condition: good (used), Year of construction: 2000, travel distance X-axis: 1,200 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 700 mm, - CNC control Heidenhain TNC426 - swivable milling head (horizontal / vertical) - NC-rotary table (C-axis) - tool changer for 32 tools - chip conveyor - electronical hand wheel Fpsdpfetiw Egjx Aa Eep - coolant device (coolant through spindle device 20bar) Technische Daten / technical details: Verfahrweg X längs / X-Travel longitudinal 1200 mm Verfahrweg Y quer / Y-Travel cross 600 mm Verfahrweg Z vertikal / Z-Travel vertical 700 mm C-Achse Rundtisch / C-axis rotary table 360 ° Fräskopf / milling head +-90 ° Rundtischgröße / rotary table size 800 mm Werkzeugschaft / spindle taper SK40 Drehzahlbereich 2-stufig / spindle speed (2-steps) 20-6300 UpM /rpm Anzahl der Werkzeugplätze / tool places in ATC 32 fach Antriebsleistung Spindel 100%ED / drive capacity spindle 100%ED 11 kW Gewicht der Maschine ca. / weight 9000 kg Technische Daten, Zubehör und Beschreibung der Maschine sind unverbindlich - Technical data, accessories and description of the machine are not binding.

Condition: excellent (used), MIKRON HPM 800 U is a 5‑axis machining center for precision, high accuracy and reliability. Table 630×440 mm, 5 T‑slots, table load 800 kg; travels X800 Y800 Z550 mm; A +91/‑121°, C 360°. HSK‑A63, spindle‑nose to table 600 mm; 115 tools, Ø max 80 mm (160 free), tool length 350 mm. Spindle 0–20000 t/min; feed 0–20000 mm/min; rapid 45 m/min; accel. 6 m/s; max feed force 6000 N; 3×400V 50Hz; 55 kW; weight ~15000 kg; size 3505×3100×2980 mm. Accessories: high‑pressure coolant, paper filtration, 2 pallets, touch probe, laser tool preset, chip conveyor. Suited to tight tolerances in automotive, aerospace, medical, watchmaking. Fodpfx Aajyxn E Sj Espp

Condition: excellent (used), SCHAUBLIN 51 5AX CNC is a 5-axis machining center designed for precision, high accuracy and reliability. Working capacities: X300 Y400 Z430 mm; rotary table Ø210 mm; table load V50 H75 kg; A +30/−120°, C360°. Specs: HSK‑A63, 0–20,000 rpm, spindle motor 23 kW, feed 12,000 mm/min, rapid 30 m/min; weight ≈5750 kg; size 2700×1800×2600 mm. Tool magazine 20 places, Ø 80 mm (95 mm free), length 250 mm, tool change 3 s. Accessories: coolant system, water cooler, oil mist extractor FX4000, rinsing gun. Achieves tight tolerances; sectors: watchmaking, aerospace, medical, automotive, machine tools. Fsdeyxn Hvspfx Aa Eepp

Condition: excellent (used), MAZAK INTEGREX 400-3S is a CNC Turning-Milling-Drilling Center designed for precision, high accuracy and reliability. Capacities: distance between centres 1500 mm, swing 760 mm, max turning length 1524 mm, bar passage 102/77 mm, tool magazine 40 stations (Ø max 90 mm, L 400 mm). Main specs: main spindle A2-8 stepless 35–3300 t/min 30 kW 1200 Nm; back spindle A2-8 35–4000 t/min 26/22 kW 500 Nm; milling spindle CAPTO C6 15–12000 t/min 18.5 kW 120 Nm. Travels X630 Y±115 Z1585 mm; feeds 0–8000 mm/min; rapid X/Z 38 m/min Y26 m/min; weight ~13300 kg; footprint 5110x2196 mm; height 2798 mm. Equipment: coolant 444 l (15 bar through milling spindle), Forkhardt 3-jaw chucks Ø400/315 mm, linear scale for X, RS232, PCMCIA, spindle sync, chip conveyor, synchronized tapping, foot pedal. Enables tight tolerances; typical applications: automotive, aerospace, medical, machine tools, watchmaking. Fpodeyxn H Nopfx Aa Esp

Condition: used, Year of construction: 2008, Technical details: x-travel: 700 mm y-travel: 700 mm z-travel: 700 mm turning speeds: 18.000 1/min max. torque on the spindle: 110 / 84 Nm tool taper: SK 40 control: HEIDENHAIN iTNC 530 tool change unit: 180 fach size of pallet: 500 x 500 mm mm max. workpiece weight: 600 kg spindle: 34 / 28 kW rapid traverse: 60 m/min total power requirement: 68 kVA weight of the machine ca.: 10,5 t dimensions of the machine ca.: 9,5 x 7,5 x 3,4 m horizontal machining center with linear drives,, NC-roundtable, pallet pool RS 10 for totally 12 pallets, monitor for workpiece setting-up device, high pressure coolant through spindle 40bar, internal air blast supply, mode 4, hydraulic clamping 2/4 for workpiece setting-up device and working table, BLUM laser, oilmist suction, 3D touch probe TS 649, tool-breackage control, mechanical, Fjdpfx Aajy E Np Se Eopp SDS spindle diagnosis system, flush gun, el. handwheel, chipconveyor, approx. 112.000 h "machine on", approx. 79.500h "spindle on", *

Condition: used, Year of construction: 2018, Technical details: x-travel: 670 mm y-travel: 820 mm z-travel: 600 mm control: HEIDENHAIN iTNC 530 table surface area: D= 800 mm KESSLER mm tool taper: HSK 63 Tool changer: 96 pos. table load capacity: 1200 kg turning speeds: 18.000 1/min rapid traverse: 60 m/min total connected load: 90 kVA weight of the machine ca.: 20 t dimensions of the machine ca.: 5 x 2,5 x 3,3 m 5-axis simultaneous machining center, Fpodpfxezu R Ils Aa Esp table swivelling (A-axis) + / - 120°, rotary table (C-axis) axis 360 °, internal coolant supply 20 bar, 600 l with paper filter, chipconveyor, 3D infrared touchprobe, laser tool setting BLUM, el. handwheel Heidenhain, chiller for spindle, automatic roof, 5-Achsen Simultan Bearbeitungszentrum, 3x hydr. connection in table-center, 1x pneum. connection in table-center, interface for POS-Robo, POS DCM collision module, POS kinematic module, airblast through spindle, network and USB connection, rotoclear, direct measuring system, approx. 29.500 h "machine on" , approx. 10.000 h "spindle on" *

Condition: used, HERMLE C 600 V is a 3-axis machining center, engineered for precision, high accuracy and reliability. Table 800×465 mm, travels X 600 / Y 450 / Z 450 mm, table load max 200 kg; tool changer 30 stations, spindle taper HSK‑A63. Spindle 20–16,000 min⁻¹, spindle power 15 / 10 kW; feed 1–30,000 mm/min, rapid 35 m/min, max feed force 6000 N. Supply 3×400 V 50 Hz, total power 35 kVA, weight ≈6800 kg, size 2500×2020×2750 mm, noise 78 dB(A). Coolant through spindle 40 bar. Achieves tight tolerances; typical sectors: automotive, aerospace, medical, watchmaking, tooling. Fsdpfx Aozuwdaoa Eopp

Condition: used, Year of construction: 2006, Technical details: x-travel: 800 mm y-travel: 800 mm z-travel: 800 mm control: HEIDENHAIN iTNC 530 power capacity - milling spindle: 28 / 19 kW tool taper: HSK 63 Tool changer: 40 pos. rotary table diameter: 900 x 700 mm table load capacity: 1.400 kg turning speeds: 12.000 1/min rapid traverse: 60 m/min : 62 kVA weight of the machine ca.: 13 t dimensions of the machine ca.: 4,1 x 3,2 x 3 m 5-axis simultaneously machining center, NC-round-table, B-axis, internal coolant supply 40 bar 600l incl. paperfilter, chipconveyor, mode 4, ROTOCLEAR, 3 D touch probe HEIDENHAIN TS 641 (defect), air blast through spindle, el. handwheel, BLUM laser, flushgun, oilmist suction, accessories: toolholders, clamping tools, vices (see photo) approx. 64.300h "machine on", approx. 25.700h "spindle on" in total, last spindle change in 2019 Fpodpfxsz Rn E Ej Aa Eep *

Condition: good (used), Year of construction: 1997, functionality: fully functional, travel distance X-axis: 510 mm, travel distance Y-axis: 510 mm, travel distance Z-axis: 510 mm, CNC control MSC 803 25-fold automatic tool changer coolant device Technische Daten / technical details: Verfahrweg X / X-Travel 510 mm Verfahrweg Y / Y-Travel 510 mm Fsdpjwhkcxsfx Aa Eepp Verfahrweg Z / Z-Travel 510 mm Tischgröße / table size 750x550 mm Drehzahlbereich / spindle speed 8000 UpM /rpm Anzahl der Werkzeugplätze / tool places in changer 25 fach Spindelaufnahme / spindle taper BT40 Gewicht der Maschine ca. / weight 4500 Kg Technische Daten, Zubehör und Beschreibung der Maschine sind unverbindlich - Technical data, accessories and description of the machine are not binding.

Condition: used, Year of construction: 1970, machine/vehicle number: 1421, Used lead screw and feed screw lathe WEILER LZ 330 Center height: 155mm Fpsdpfx Aas Agnmqs Eep Center distance: 800mm Spindle bore: 36mm Spindle speeds: 30-2,050 rpm 1 x 3-jaw chuck, diameter 160mm, coolant system, bed stop, manual clamping device (pull rod) with 14 collets, chip shield, quick-change tool holder size B with 1 insert, machine light. Digital display on the X-axis. The machine has been partially overhauled and repainted. The machine is located at our facility in 71334 Waiblingen-Beinstein and is immediately available. An inspection of the machine can be arranged.

Condition: excellent (used), INDEX ABC 65 is an INDEX CNC Turning‑Milling‑Drilling Center designed for high precision, accuracy and reliability. Capacity: 2 turning spindles, 2 turrets; spindle bore 65 mm; spindle diameters 140/110 mm; travels Z300 X140 Y100 mm; turret positions 10/9 (back 8). Specs: main spindle stepless 0–6000 rpm, 25/35 kW, torque 80/120 Nm; back spindle 6000 rpm, 5/9 kW; driven tools 7.5/9 kW; tool shank 45 mm; indexing 0.4 s; rapids X30/Z50 m/min; power supply 3x400 V 50 Hz; installed power 41 kW; weight ~6500 kg; dims 3600×1280×1950 mm. Accessories: 300 l coolant, 80 bar high‑pressure, paper filter, lamp, collet device, USB, parts conveyor, chip conveyor, toolholder set. Achieves tight tolerances; ideal for automotive, watchmaking, aerospace, medical and toolmaking. Fedpfx Aaoy S Dfuo Eopp

Condition: good (used), Year of construction: 2001, functionality: fully functional, travel distance X-axis: 1,020 mm, travel distance Y-axis: 510 mm, travel distance Z-axis: 510 mm, CNC control Heidenhain Fsdpex U Sd Rjfx Aa Espp 4. axis electronical hand wheel 20-fold automatic tool changer chip tank Technische Daten / technical details: Verfahrweg X / X-Travel 1020 mm Verfahrweg Y / Y-Travel 510 mm Verfahrweg Z / Z-Travel 510 mm Tischgröße / table size 1200x450 mm Werkzeugschaft / spindle taper BT40 Drehzahlbereich / spindle speed 8000 UpM /rpm Anzahl der Werkzeugplätze / tool places in ATC 20 Gewicht der Maschine ca. / weight ca. 5000 Kg Technische Daten, Zubehör und Beschreibung der Maschine sind unverbindlich - Technical data, accessories and description of the machine are not binding.

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, turning diameter: 145 mm, CNC turning machine Gildemeister Twin 42 Year of manufacture: 2004 Fpodpfx Aaj Af I D Uj Eep Control system: Siemens 840D Powerline Turning diameter: 145 mm Max. bar diameter: 45 mm Spindle head: Flat flange 120 h5 Chuck: 130 / 140 mm Main spindle speed: 20–7,000 min⁻¹ Main spindle power: 28 / 22 kW (40/100 % duty cycle) Main spindle torque: 180 / 140 Nm Counter spindle: Yes, same power X-axis: 220 mm Z-axis: 320 mm Y-axis: ±30 mm Rapid traverse X/Y/Z: 30 / 15 / 30 m/min Turret: 2 × 12 stations Tool holder: VDI 25 Machine weight: approx. 5,300 kg Connected power: approx. 40 kVA Design: 60° inclined bed, linear guides Chip conveyor, Bürener type SPE 63/30-250 Z60 Tool monitoring system, Artis type CTM Tailstock mounted on counter spindle slide, tailstock stroke = 230 mm Tailstock force = 300 daN Center bore MK3 Overload clutch for the X and Z axes of slides 1 and 2 Package for bar machining consisting of: Workpiece extraction device Workpieces can be automatically unloaded from both the main and counter spindles Workpiece dimensions: Ø6 – Ø65 mm, length approx. 300 mm, max. weight 3.5 kg Collet chuck for quick-change tool holders, size 42 Hainbuch Spanntop Connection for bar feed Bar loader magazine, IRCO type SiMag 42

Condition: used, Year of construction: 2002, Technical details: x-travel: 1000 mm y-travel: 800 mm z-travel: 1100 mm weight of the machine ca.: 20 t Fjdpfxjw T Tntj Aa Eepp dimensions of the machine ca.: 6,80 x 3,0 x 3,20 m Tool bore: HSK-A 100 turning speed range: 45-6.000 U/min size of pallet: 630x800 mm change time of pallets: 21 sec Mechanical processing of cylinder heads and cylinder crankcases Machines have been in single-shift operation since 2013 Service and maintenance intervals were adhered to *