Used Cnc Rotary Axis for sale (17,158)

Condition: like new (used), Year of construction: 2012, operating hours: 33,525 h, travel distance X-axis: 1,250 mm, travel distance Y-axis: 620 mm, travel distance Z-axis: 620 mm, rapid traverse X-axis: 1,250 m/min, rapid traverse Y-axis: 620 m/min, rapid traverse Z-axis: 620 m/min, nominal power (apparent): 22 kVA, controller manufacturer: Heidenhain iTCN530, workpiece weight (max.): 1,000 kg, rotational speed (min.): 15,000 rpm, overall weight: 8,000 kg, spindle speed (min.): 15,000 rpm, CNC controller: Heidenhain iTCN530 Axes Ndedpfx Aqeyybpmewoa X-axis travel mm: 1.250 Y-axis travel mm: 620 Z-axis travel mm: 620 C-axis degrees: 360º (0,001º) B-axis degrees: ±115 (0,001º) Worktable Table dimensions mm: 1.350 x 620 Max. workpiece weight kg: 1.000 Spindle Spindle speed rpm: 15.000 Spindle drive power kW: 22 / 17 Spindle torque Nm: 387 / 466 Tool system Tool holder: SK 40 Tool magazine slots: 60 Max. Tool Diameter: 150 Max. Tool Length mm: 220 Max tool weight kg: 7 Tool-to-tool time s: 3 Equipment Electronic Handwheel Signal lamp Tool breakage probe Paper band filter Chip conveyor with built-in scraper RENISHAW OMP 40-2 4th and 5th axis Lehmann (ø400 x 40mm x 40kg) Cooling Tank capacity: 340 L High-pressure bar: 20 Machine running times Under power: 75.294 Operating Time: 33.525 Basic machine dimensions / weight Weight kg: 8.000

Condition: excellent (used), Year of construction: 2022, turning length: 1,650 mm, spindle bore: 181 mm, travel distance X-axis: 470 mm, Tool eye SMW 3 chuck 630-165 mm SMW Steady rest 85 - 350 mm LNS Chip conveyor DORMATEC Air Filter 30 m3 Max. turning Ø: 1030mm X-Axis: 470mm Z-Axis: 1650mm Spindle bore: 181mm Speedrange: 1500Rpm Spindle power: 41kW ATC / revolver: 12 Speed live tools:3000Rpm Power live tools:9kW Chip conveyor: yes Nodpjx Eivpsfx Aqweda Tool eye: yes Pinole taper: 6Mk Stroke pinole: 150mm Quill Ø: 160mm Length: 7350mm Width: 3160mm Height: 2800mm Weight: 22000kg

Condition: ready for operation (used), Year of construction: 1999, Offered is a travelling column machining center: rotary table: 1500mm, travels X/Y/Z: 1600mm/800mm/800mm, tool holder: SK50, spindle drive: 60kW, speed range: 20 to 6000rpm, tool changer: 30 positions, machine weight approx. 19200kg, machine dimensions X/Y/Z approx. 6000mm/4000mm/3200mm. Incl.: internal coolant supply, chip conveyor, chip flushing system, approx. 60 pieces SK50 tool holders, 3-jaw chuck. Inspection possible by arrangement. Nsdpfx Aqjylbqyswjda

Condition: good (used), Year of construction: 1989, TITAN SC16.000 | 16-Metre Heavy-Duty CNC Vertical Turning Lathe One of the largest vertical turning lathes available on the market — the TITAN SC16.000 is built for the most extreme heavy machining tasks in energy, mining, shipbuilding, and defense industries. EXCEPTIONAL CAPACITY: • Faceplate Diameter: 12,000 mm • Max. Turning Diameter: 16,000 mm • Max. Workpiece Height: 6,000 mm • Max. Workpiece Weight: 400 TONNES CNC & FEATURES: • Full CNC control system Njdpfx Ajf Utqmoqwsda • C-Axis available — for milling and complex contouring • Engineered for continuous heavy-duty production IDEAL APPLICATIONS: • Wind turbine bases and flanges • Large ship propellers and stern frames • Mining drum bodies • Hydro turbine runners • Nuclear & power generation components • Large pressure vessel heads WHY THIS MACHINE? ✔ Extremely rare — machines of this size are very difficult to find ✔ Fully functional — available for inspection under power ✔ CNC control for modern precision requirements ✔ Export possible — experienced in international logistics for oversized equipment Manufacturer: TITAN | Location: REM Bacau, Romania Contact us immediately — this machine will not last long. Full inspection welcomed.

Condition: good (used), Year of construction: 2000, Ref. -No.: 10468 Manufacturer: DECKEL MAHO Type: DMU 80 Year of construction: 2000 Control: Heidenhain Millplus Storage location: Halberstadt Country of origin: Japan Machine-No.: 111xxxxx X-Travel: 800 mm Ndodpfx Aezc Dzijqwoa Y-Travel: 700 mm Z-Travel: 600 mm Number of T-slots: 9 / 14 Clamping Area: Ø 900 x 630 mm T - slot spacing: 63 mm Tool Taper: SK 40 Tool changer: 30 Spindle Speed: 12.000 RPM Max. Torque: 2659 Nm Operating hours: 67.452 H Center hole: Ø 50 mm Holding torque: 4500 Nm Max. rotation of the table top: 10,7 rpm Feed: 3600 °/min. Resolution of the measuring system: 0,001 ° NC rotary table: 800 kg NC swivel rotary table: 600 kg Further information: - Clamping table 900 x 630 mm - Chip conveyor, sheet metal technology - Belt filter system, manufacturer Interlit - Type SK 200-760 - Oil mist separator - Set of tool holders, - Workbenches - 2x 6 drawers - Vise - Jaw width 125 mm - Roller shutter cabinet with 1 door The machine can be viewed under power by arrangement.

Condition: excellent (used), Year of construction: 2004, functionality: fully functional, Controller GE FANUC 21i-TB Swing dia 533 mm Turning dia 340 mm Nsdpjvw Uqajfx Aqwoda Turning lenght 355 mm X travel 209 mm Z travel 355 mm Spindle hole D50,8 mm Spindle speed 5000 rpm Chuck size max. D200 mm Turret 12-fold Rapid speed 30 m/min Spindle power 11 kW Spindle face A2-6 Tool holder type VDI30 C axis 0,001 degree (programmable) Dimensions LxWxH = 2300 x 1700 x 1700 mm Weight ca 3000 kg Features, accessories - Hydraulic chuck - Short barfeeder EMT Super 80 - Manual Guide in FANUC Software - Drive tool turret and C axis - Tailstock - Part catcher - Manuals Very good condition. The lathe works accurately and run quitely. Ready to buy immediately.

Condition: excellent (used), Year of construction: 2022, operating hours: 2,394 h, functionality: fully functional, Controller HAAS Swing dia. 641 mm Swing over carriage 413 mm Maximum cutting diameter 229 mm Maximum cutting length 356 mm Ndsdpfxjwvf Thj Aqwoa X axis travel 200 mm Y axis travel +/-50 mm Z axis travel 355 mm Bar Capacity 44mm C axis 0,01 degrees Spindle Speed 6000 rpm Spindle Nose A2-5 Milling spindle speed 6000 rpm Rapid Feedrates X/Y/Z = 30,5 / 12,7 / 30,5 m/minute Spindle Motor Power 11 kW Turret Positions 12 stations Tool holder type VDI30 Weight 3600 Kg Dimensions LxWxH = 3048 x 2108 x 1803mm Accesories, features - C Axis programmable - Y Axis - Live tool turret (each places) - Integrated tool presetter - Chip conveyor - 3 jaws hydraulic chuck D160 mm - Tailstock - Foot pedal - Machine mounts - Manuals The machine is barelly used and is in great technical and optical condition.

Condition: excellent (used), Year of construction: 2008, Vertical CNC lathe - 3 AXES Brand: HWACHEON Type: VT 1150 M Year: 2008 (2435 cutting hours) CNC: FANUC Oi TC + manual guide Specifications: Turning capacities: Maximum turning diameter: 1350 mm Maximum workpiece diameter: 1150 mm Maximum turning height: 950 mm Horizontal travel: 610 mm Vertical travel: 950 mm C-axis: 360,000 positions Nedpezpvrxofx Aqwsda 3-jaw hydraulic chuck: Diameter: 1016 mm Rotation speed: 630 rpm Main motor power: 50/37 kW Dimensions (width x depth x height) with conveyor: 2850 x 3943 x 3500 mm Weight: 23.5 T Equipped with: 24-tool turret C-axis 0.001° Live tooling: 2.5 kW, 20 to 3000 rpm Through-tool coolant Rotating tool holders: 1 x Axial, 1 x Radial Turning tool holders Set of chuck jaws Chip conveyor Coolant gun Automatic machining zone support

Condition: used, Year of construction: 2007, operating hours: 70,859 h, machine/vehicle number: 15145361464, Travel ranges (X/Y/Z): 3,600/920/820 mm, with B-axis and integrated NC table, maximum spindle speed: 18,000 rpm, tool interface HSK-A63, 30-position tool changer, pendulum machining, control system SIEMENS Sinumerik 840 D Powerline, chip conveyor, emulsion separator, infrared measuring probe. The customer must ensure that drilling emulsion/lubricants are professionally extracted and disposed of. Nsdpfx Aezqy Umjqwoda

Condition: not inspected (used), Faceplate: 2500 mm Swinging diameter: 3200 mm Max. turning height under tool: 2500 mm Max. workpiece height under support: 2780 mm Max. workpiece weight: 25 tons Cross slide: 2000 mm Ram travel, vertical: 1600 mm Ram travel, horizontal: 1800 mm Ram cross-section: 250 x 300 mm Smallest distance between two rams: 1150 mm Faceplate drive: 71 kW Faceplate speed: 125 rpm Milling drive motor: 18 kW Milling drive speed: 1600 rpm Ndsdpfx Aszdk A Uoqwja Milling drive torque: 710 Nm

Year of construction: 2005, condition: ready for operation (used), A Maka CNC 4-axis milling and drilling machine for plastic, wood and aluminum is available. Travel X/Y/Z: 2000mm/6000mm/250mm, C-axis: 360°, rapid traverse X/Y/Z: 45m/min/45m/min/24m/min, spindle mount: HSK63, spindle power: 12kW, spindle speed: 24000rpm. Tool places: 12, angle head places: 3, machine dimensions X/Y/Z: 12000mm/5700mm/3200mm, control: BWO 920, documentation available. On-site inspection is possible. Ndodevmq Tvopfx Aqwja

Condition: good (used), Year of construction: 2008, Ref. -No.: 10628 Manufacturer: AUERBACH Type: IA 5B 3200 RT Year of construction: 2008 Type of control: CNC-Steuerung Control: Heidenhain Storage location: Halberstadt Country of origin: Germany X-Travel: 3200 mm Y-Travel: 2000 mm Z-Travel: 1600 mm Rotary Table (Lxw): 2500 x 2000 mm No. Of Working Stations: 60 Machine length: 7300 mm Machine width: 7700 mm Nsdpezc D D Rjfx Aqwoda Machine Height: 4350 mm Weight Of The Machine Ca.: 28 t Further information: - with -H / V- head Machine can be viewed under power by arrangement

Condition: excellent (used), Year of construction: 2010, turning length: 995 mm, spindle bore: 80 mm, Max. turning Ø: 530mm X-Axis: 260mm Z-Axis: 995mm Spindle bore: 80mm Speedrange: 5000Rpm Spindle power: 22kW Subspindle speeds:6000Rpm Subspindle bore: 62mm Subspindle power:11kW ATC / revolver: 12 Speed live tools:6000Rpm Ndjdpfxox I Nbtj Aqwea Tool eye: yes Hours: 2800H Length: 3000mm Width: 1800mm Height: 1900mm Weight: 6350kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: excellent (used), Year of construction: 2007, operating hours: 13,500 h, functionality: fully functional, travel distance X-axis: 1,000 mm, travel distance Y-axis: 1,000 mm, travel distance Z-axis: 1,000 mm, overall weight: 15,800 kg, operating hours of spindle: 13,500 h, coolant supply: 40 bar, We offer in good condition Deckel Maho DMU100P Duoblock from 2007 with only 13.500 spindle hours. Heidenhain iTNC530 control X-Axis travel: 1000 mm Nedpjzlyd Dofx Aqwoda Y-Axis travel: 1000 mm Z-Axis travel: 1000 mm Internal coolant 40 bar SK40 12.000 RPM Spindle Table Ø1100 x 900 Machine will be in stock in the next 2 weeks.

Condition: reconditioned (used), Year of construction: 2008, functionality: fully functional, turning diameter over cross slide: 900 mm, turning length: 2,001 mm, turning diameter: 650 mm, spindle bore: 166 mm, spindle speed (max.): 1,500 rpm, spindle speed (min.): 15 rpm, travel distance X-axis: 362 mm, travel distance Z-axis: 2,155 mm, spindle motor power: 45 W, rapid traverse X-axis: 16 m/min, rapid traverse Z-axis: 18 m/min, total height: 2,170 mm, total length: 6,750 mm, total width: 2,250 mm, overall weight: 11,750 kg, bar passage: 165 mm, Equipment: documentation/manual, rotational speed infinitely variable, 2-axis CNC lathe “DOOSAN mod. PUMA 480L” with Fanuc 21i-TB CNC complete with “AUTOBLOK K5Z” steady rest Nedpfju Ut Elex Aqwoda

Condition: good (used), CNC Lathe with y-axis Geminis Goratu - GHT-4 G4-800 Max. turning Ø:800mm Length: 7000mm Nedoygv Euopfx Aqwjda Width: 2500mm Height: 2500mm Weight: 10000kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Condition: good (used), Year of construction: 2009, travel distance X-axis: 1,120 mm, travel distance Y-axis: 510 mm, travel distance Z-axis: 510 mm, rapid traverse X-axis: 36,000 m/min, rapid traverse Y-axis: 36,000 m/min, rapid traverse Z-axis: 36,000 m/min, table width: 510 mm, table length: 1,460 mm, table load: 800 kg, Renishaw measuring probe MP-12 IKZ 15 Bar Interface set Performabnce software package Monitoring B prepared not included X - Travel: 1120mm Njdpow Rm Dijfx Aqweda Y - Travel: 510mm Z - Travel: 510mm Table Length: 1460mm Table Width: 510mm Table load: 800 Feed rate X-Axis: 36000mm/min. Feed rate Y-Axis: 36000mm/min. Feed rate Z-Axis: 36000mm/min. Spindle Taper: 40ISO/Bt/Mk Power on spindle: 18.5kW Speeds / ranges: 12000Rpm ATC / revolver: 30 Coolant through spindle / Bar:Yes Number of controlled axis: 3 Chip conveyor: Yes Coolantsystem: Yes Length: 3300mm Width: 2850mm Height: 2800mm Weight: 6100kg

Condition: new, Year of construction: 2024, pipe diameter (max.): 38 mm, pipe length (max.): 3,000 mm, bending angle (max.): 190 °, bending radius (max.): 200 mm, total length: 4,280 mm, total width: 1,000 mm, total height: 1,500 mm, warranty duration: 12 months, sheet thickness aluminum (max.): 3 mm, sheet thickness steel (max.): 3 mm, STANDARD EQUIPMENT • 3 Sets of Dies – (1 set of rolling die with 2 sets of bending dies, or 3 sets of bending dies in requested sizes) • 5-axis servo control (Y, B, C, H, V) • Servo Motorized Feeding Axis • Servo Motorized Rotation Axis • Servo Motorized Bending Axis • Servo Motorized H, V Axes • Mobile CNC Control Unit with 21” TFT Touchscreen • Rolling function • 3D bending simulation • Collision simulation • Daily, Weekly, and Monthly Total Operating Status Reports • Calculation of Working Material Length • Calculation of Estimated Bending Time • Conversion from X-Y-Z to Y-B-C • Mobile Foot Pedal with Emergency Stop • Remote Assistance • Mandrel Bending – With or Without Mandrel • Safety Plate at Back of Bending Head • Hydraulic Clamping • Hydraulic Mandrel • Hydraulic Support • Hydraulic Linear Slider System • Hydraulic Claw Collet • Electrical Panel Safety Lock and Keyed Panel Lock • Electrical System Cooler • Overload Protection • Detailed Operating Report Automatically Sent by E-mail OPTIONAL EQUIPMENT (Not included in the price) • Extra Die Sets • Safety Mat (750 x 1000 mm) Nedpfxsu Hkb De Aqwjda • Safety Mat (1000 x 1500 mm) • Hydraulic Oil Heater • Extra Mandrel Length (up to 6 m) – per meter • Ball Mandrel and Wiper Die • Automatic Mandrel Lubrication System (for suitable pipe diameters) • Hydraulic Oil Cooler TECHNICAL SPECIFICATIONS CAPACITY MB-38 CNC/ 5 AXIS Max. Capacity mm Ø38x3 mm Max. Bending Radius mm 250 mm Max. Bending Angle ° 190° Hydraulic Pressure bar 50-200 Working Length mm 3000 Rotation Tolerance ±0.1 Bending Speed kW Adjustable LxWxH mm 5500x1300x1600 Weight kg 2250

Condition: used, Year of construction: 1998, operating hours: 8,700 h, functionality: fully functional, The used DAEWOO Lynx 200B 2-axis CNC lathe is a robust and fast numerically controlled lathe with a slant bed and flat guides, compact in size. It is equipped with a FANUC 21-T CNC control unit with LCD monitor, year of manufacture 1998, and complies with CE standards. Main features: Max. swing over bed: 460 mm Max. turning diameter: 280 mm Max. turning length: 500 mm Nsdpfxjx Nqlie Aqwjda Max. bar capacity: 51 mm Spindle nose: ASA 6” Spindle: max. rotation speed 4,500 rpm Spindle motor power: 11 kW Turret: 10 positions Turning/boring tool size: 25×25 mm / Ø40 mm Tailstock: quill diameter 65 mm, quill stroke 80 mm – MT4 Machine weight: 3,500 kg The equipment includes the tailstock with programmable quill, tool presetting system, 3-jaw hydraulic chuck (which will be supplied in place of the manual chuck), and operating and maintenance manuals.

Year of construction: 2006, condition: ready for operation (used), Travels X/Y/Z: 885mm/600mm/600mm, travels B/C: -10° - 110°/360°, rapid traverse X/Y/Z: 9000mm/min, speed: 28000rpm. Table dimensions X/Y: 950mm/650mm, operating hours: 90711h, spindle hours: 19457h. Including workpiece measuring probe, tool changer with 100 places. Ndodpfxeta H S So Aqwja

Condition: used, machine/vehicle number: 008340, X axis working area: 4400 mm Nodpfxey Nkpno Aqwsda Y axis working area: 1300 mm Working Table: Pod and Rail Main Electrospindle power: 11 KW Number of controlled axes: 5 axes Total number of drilling spindles: 36 Total number of tool changer positions: 30

Condition: good (used), Year of construction: 2011, functionality: fully functional, turning length: 760 mm, turning diameter over cross slide: 780 mm, turning diameter: 376 mm, travel distance X-axis: 260 mm, travel distance Y-axis: 51 mm, travel distance Z-axis: 830 mm, rapid traverse X-axis: 30 m/min, rapid traverse Y-axis: 10 m/min, rapid traverse Z-axis: 30 m/min, rotational speed (max.): 4,000 rpm, Equipment: rotational speed infinitely variable, 6-axis CNC lathe with sub-spindle, driven tools and Y axis Nedjtvl U Hepfx Aqwoda

Condition: new, Year of construction: 2025, MAXIMUM CAPACITY: Ø51X3MM MAXIMUM BENDING RADIUS: 250MM BENDING DEGREE: 190 DEGREES WORKING LENGTH: 3000MM MOTOR POWER: 13.5 KW BENDING SPEED: CHANGEABLE STANDARD FEATURES Njdpfx Aevyzwreqweda A set of bending molds in the dimensions requested by the customer Servo Motorized Progress Axis Servo Motorized Rotation Axis Automatic Emailing of Detailed Work Report Servo Bending Axis (SFB 38-CNC/R1) Reducer Driven Bending System (51-65-76-90) Mobile 21” color screen CNC Control Unit 3D Simulation Bending Daily, Weekly and Monthly Total Production Quantity Display Total material length calculation Estimated bending process time calculation X-Y-Z data Y-B-C conversion Remote assistance Portable foot pedal with emergency stop Manual – Automatic Bending Mandrel – Non-Mandrel Bending Switched Safety Plate behind the bending head Automatic Mandrel lubrication system (SFB 38 CNC/R1) Hydraulic Clamping Hydraulic Mandrel Hydraulic Support Hydraulic Oil Cooler Hydraulic Linear Slider system Hydraulic Collet Electrical panel safety lock and keyed panel lock Electrical Panel Cooler Protected Against Overload

Condition: refurbished (used), Centreless grinding machine GHIRINGHELLI M2200 CNC 5 axes grinding wheel 200x610 CNC FANUC 5 AXIS Variable speed drive on grinding wheel complete overhaul with electric / electronic retrofit Machine in our warehouse in Gussago BS Mimu machine tools (Italy) Centreless grinding is a procedure for grinding cylindrical bodies and is used for mass production of rollers cylindrical, conical rollers, jet needles, pump pistons, hydraulic sliders, crosses, drills etc. During centerless plunge grinding, the workpiece is ground in one pass thanks to the translation of the grinding wheel. For this purpose, the grinding wheels and the adjustment discs have a negative profile of the piece to work which is given to them with the aid of a tool. Ndedpfx Aqowq Dn Towja The through-feed grinding or also through grinding and longitudinal grinding: pieces to be worked proceed uninterruptedly with axial feed through the rectification gap. Grinding wheel width: 200 Grinding wheel diameter: 610 CNC: 4 axes

Condition: used, Year of construction: 2021, CNC machining center with a fixed worktable, double-sided driven gantry, and a 5-axis milling spindle with continuous interpolation. Machine for processing solid wood, wood-based materials, and various plastics. Base machine and gantry Machine base and gantry made of a ribbed, welded steel construction, offering very high rigidity. Guidance system and drives Gantry movement of the X and Y axes with rack and pinion and servo drive. DUAL GANTRY MOTORIZATION: Drive of the X-axis with two synchronized servo drive motors. Movement of the Z-axis via ball screw with servo drive. Dust-protected linear guide. Safety system Three-part safety floor mats allow for the placement of workpieces in the non-active area. Moving partial enclosure with a Lexan protective window for the machining units. Central lubrication Automatic central lubrication Vacuum system Vacuum system for pendulum machining with constant suction power in both work areas. Machine operation The machine is equipped with a cable-guided remote control for performing basic functions. Electrical equipment Dust-protected control cabinet (CE) according to IP 55 standard, including an air conditioning unit and a mobile control panel. Machine control OSAI Open Numerical Control 5-axis swivel head Z 700 Movement of the C-axis and B-axis via brushless servo drives - Maximum rotational speed: 750 /2 sec. - Rotation C-axis: Swivel axis: +/- 110 Technical data - max. travel speed X-axis: 60 m/min - max. travel speed Y-axis: 60 m/min Njdjzux H Aspfx Aqweda - max. travel speed Z-axis: 24 m/min - Vector speed: 80 m/min - max. workpiece height: 500 mm - Machining area: 4210 x 1605 mm (Extended working area) - Compressed air supply: 7 bar - Suction power: min. 2200 m3/h - Suction speed: min. 28 m/s - Suction nozzle: 160 mm Work table Comec Designed Phenolic resin table, designed as a grid table, grid dimension 50 x 50 mm, for accommodating Cosmec suction systems and templates. The work table is divided into two work areas. Threaded holes in the table to mechanically fix workpieces, 3 pcs. retractable stops Vacuum pump Vacuum pump 250/300 m3/h (50/60 Hz), power: 5.5 kW Main spindle 5-axis spindle: 18 kW main spindle, liquid cooling, tool interface HSK 63 F - 15 kW in S1 operation - 18 kW in S6 operation - Ceramic bearings - Direction of rotation: left/right - Spindle speed: 500 - 24000 rpm Extraction hood Extraction hood controlled via NC program, adjustable in height. 2 x Tool changer Moving 12-position tool changer for tool interface HSK 63 F - max. tool diameter 150 mm, if adjacent position is free - max. tool diameter 120 mm, if adjacent position is occupied - max. tool weight: 6 kg - max. weight of tool and holder: 40 kg Tool length measurement Station for automatic length measurement of the tool Note: Current status of the 5-axis simultaneous machining software through a maintenance contract.