Used Omron Servo Drive for sale (22,672)

Condition: used, functionality: unexamined, Ferwood Code: RU0010022 - Manufacturer Code: CJ1W-OD202 - Condition: Used - Functionality: Untested - If interested we offer a revision service, contact us. Ncodpfx Asv Ipt Djqvst

Condition: used, functionality: unexamined, Ferwood Code: RU0009443 - Manufacturer Code: 3G3FV-A4040-CUE - Condition: Used - Functionality: Untested - If interested we offer a revision service, contact us. Ncjdpfsv Hzv Iex Aqvet

Condition: used, functionality: unexamined, Ferwood Code: RU0010023 - Manufacturer Code: CJ1W-SRM21 - Condition: Used - Functionality: Untested - If interested we offer a revision service, contact us. Ncjdpfev Ipv Ejx Aqvet

Condition: used, functionality: unexamined, Ferwood Code: RU0010020 - Manufacturer Code: CJ1M-CPU13 - Condition: Used - Functionality: Untested - If interested we offer a revision service, contact us. Nsdjv Iptkepfx Aqvjct

Condition: used, functionality: unexamined, Ferwood Code: RU0007184 - Manufacturer Code: CJ1W-ID211 - Condition: Used - Functionality: Untested - If interested we offer a revision service, contact us. Nsdpfsv Ef R Tjx Aqvoct

Condition: ready for operation (used), Soprel Rotodrive R083B30/04 servodrive motor, serial number as per photo, mounting hole spacing: 53 x 53 mm, drive shaft diameter: 11 mm, used, heavy signs of wear, 100% functional, scope of delivery as shown in the photos. Nedpfx Aqox Dwb Dsvoct

Condition: ready for operation (used), Omron Adept eCobra 800 industrial robot ID-SN: 595-00114, used, in good condition, 100% fully functional, scope of delivery as per photos. ATTENTION: Please enquire separately for charges for packaging and shipping! Nedpex Dw Rrjfx Aqvjct

Condition: new, Omron F500-S1 digital camera, serial number: D121038, unused in original packaging, 100% functional, scope of delivery as per photos. Ncsdpfx Aqjx Dw Rxsvet

Condition: used, Segment length: 5450 mm Length: 5450 mm Nodpfx Aqsd Rhgpevoct web width: 2020 mm frame width: 2200 mm Roll diameter: 105 mm roller pitch: 200 mm Type: Zware rollenbaan

Condition: excellent (used), Interroll roller conveyor 0.99m with drive The Interroll roller conveyor element is in a very good condition. Furthermore, the roller conveyor has its own drive motor. Width: 400mm Length: 990mm Nedpfehvmi Tsx Aqvsct Complete factory closure, large selection of storage platforms, pallet racks, shelf racks, paternosters. High quality industrial machines, lathes, grinding machines, hand machines Further articles - new and used - you will find in our shop! International shipping costs on request!

Condition: like new (used), Year of construction: 2024, operating hours: 3,000 h, functionality: fully functional, machine/vehicle number: QYKM-1400x2900, total height: 3,200 mm, total width: 4,300 mm, total length: 7,600 mm, overall weight: 2,500 kg, Equipment: documentation/manual, We are selling our as-new pizza box machine due to business closure. The machine was ordered from China. It is nearly new and operates flawlessly. All components are fully functional. Coating can be applied at any time. Njdpfxoxvy Hmj Aqvoct

Condition: used, TECHNICAL DETAILS Ncodpfxouhab He Aqvot * Spindle speeds : 200-20000 [rpm] * Travel : 38 [mm] - Distance table/spindle axis : 89 [mm] - Table dimensions : 182 x 300 [mm] - Machine height : 342 [mm] EQUIPMENT - Collets set

Condition: excellent (used), ///// PRICE LISTED PER 1 PIECE ///// Manufacturer: ALGRA Type / markings: D3A030012/0 21-451-003 D3A030011/6-3 23-1151-012 I am offering ALGRA drive gearboxes used in metalworking machines. Nodoyz A U Hopfx Aqvoct These components serve the function of power transmission and feed rate adjustment, most commonly used in: - conventional milling machines - machining centers - industrial machines as drive modules Robust, heavy-duty construction – typical components for continuous industrial operation. ⚙️ Technical condition Condition: used Show normal signs of use Mechanically complete Knobs and mechanisms operate correctly Possible storage marks 📦 Included ALGRA gearbox (exactly as shown in the photos) 📏 Application - feed drive for X/Y/Z axes - machine tool gear systems - spare parts for milling machines and industrial equipment - maintenance / machine servicing ℹ️ Additional information Markings stamped on the housings (visible in the photos) Inspection plates "QS-IN PRÜFUNG" Oil-filled design (sealed gearbox) Possibility to sell individually 🚚 Shipping Shipping via courier or on pallet Personal collection possible

Condition: new, Year of construction: 2025, actuation type: electric, number of rollers: 3, roller (bottom) diameter: 190 mm, roller (top) diameter: 190 mm, working width: 2,550 mm, sheet thickness (max.): 6 mm, sheet thickness steel (max.): 6 mm, power: 4 kW (5.44 HP), STANDARD EQUIPMENT This mechanical model is generally manufactured for use in light and medium-duty operations. It is especially used for bending materials up to 10 mm thick. Applications include bending of aluminum sheets, the manufacture of ventilation ducts, advertising panels, machine bodyworks and sheet metal components, and many other similar tasks. All models are equipped with planetary gearbox drive High-strength shafts manufactured from SAE 1050 (CK 45) certified steel Nedpfx Aqox D Dfvsvect Welded steel main frames Manually openable top roll Mobile control panel Conical bending roller Centralized lubrication system Precise bending feature via braked motor and planetary gearbox Powered rear roll with up/down movement Top roll support system In compliance with EU Safety Directives (CE Certificate) User manual OPTIONAL EQUIPMENT Digital display for rear roll Hardened shafts Extended shaft ends for mounting profile and pipe bending rolls Profile and pipe bending roll set Motorized lower roll with up/down movement Derlin ringed top roll for Alucobond bending Adjustable speed steps NC Control TECHNICAL SPECIFICATIONS Bending length: 2550 MM Pre-bending: 4/5 MM Bending: 5/6 MM Top & bottom roll diameter: 190 MM Min. bending diameter: 285 MM Main motor power: 4 kW Rear motor power: 1.5 kW Length: 4700 MM Width: 950 MM Height: 1300 MM Weight: 3400 KG

Condition: new, Year of construction: 2025, stroke length: 300 mm, operating speed: 10 mm/s, reverse speed: 90 mm/s, table height: 900 mm, controller manufacturer: ESA, controller model: ESA S830, working width: 3,100 mm, bending force (max.): 160 t, distance between stands: 3,345 mm, control type: CNC control, number of axes: 4, actuation type: electric, Bending Capacity: 3100 mm / 160 Tons (E160 Model) STANDARD FEATURES CNC belt-driven servo press brake CNC-controlled Y1 – Y2 – X – R axes (4 axes) CNC control unit (ESA S830 – 10" touchscreen, 2D graphic display) Automatic bending calculation and collision avoidance functions High-precision synchronized servo drive system Belt-driven upper beam movement system requiring no lubrication and minimal maintenance Spring-loaded upper beam structure supporting energy recuperation O-Type rigid frame design (minimum deformation) 300 mm stroke 410 mm throat depth Servo-motorized backgauge system (X + R axes) Backgauge positioning accuracy: ±0.03 mm Backgauge travel distances: - X axis: 750 mm - R axis: 250 mm Hardened ball screws and linear guides 2 pcs, 3-stage backgauge fingers European style quick-release top tool holder (Promecam type) European narrow lower table Standard top punch (H: 67 mm – 85° – R: 0.8 mm) Standard bottom die (60×60 mm – 4 V: 16 / 22 / 35 / 50 mm – 85° – H: 60 mm) High-precision optical linear encoders LED work area lighting Sliding front support arms Dual foot pedal Emergency stop buttons Safety equipment in compliance with CE standards OPTIONAL FEATURES Additional backgauge axes (Z1 – Z2 – X5) Extension of backgauge travel up to 1000 mm Motorized crowning system Hydraulic top and bottom tool clamping systems Ncjdpfx Asx Nquwsqvot Front safety laser system (AKAS or DSP type) Rear safety light barrier CNC-controlled sheet support arms Laser bending line Laser angle measurement system Automatic angle measuring systems Air-conditioned cooling system for electrical cabinet Additional backgauge fingers Custom tool and table solutions TECHNICAL SPECIFICATIONS (E160 / 3100 MODEL) Bending force: 160 tons Bending length: 3100 mm Distance between side frames: 3345 mm Stroke: 300 mm Throat depth: O-Type frame Open height (upper-lower beam opening): 515 mm Table height: 900 mm Speeds: Descent speed: 90 mm/s Bending speed: 10 mm/s (in accordance with CE standards) Return speed: 90 mm/s Backgauge: X axis travel: 750 mm R axis travel: 250 mm X axis speed: 400 mm/s R axis speed: 100 mm/s Z axis speed: 600 mm/s General: Main motor power: 2 × 7.5 kW Machine weight: approx. 9,500 kg Machine dimensions (L×W×H): approx. 4600 × 2100 × 2700 mm

Condition: new, Year of construction: 2025, stroke length: 300 mm, operating speed: 10 mm/s, reverse speed: 95 mm/s, controller manufacturer: ESA - DELEM - Cybelec, working width: 3,100 mm, bending force (max.): 100 t, distance between stands: 3,345 mm, control type: CNC control, number of axes: 4, actuation type: electric, BELT-DRIVEN SERVO CNC PRESS BRAKE Bending Capacity: 3100 mm / 100 Tons (E100 Model) STANDARD FEATURES - CNC-controlled belt-driven servo press brake - Y1 – Y2 – X – R axes CNC controlled (4 axes) - CNC controller (ESA S830 – 10” color touchscreen, 2D graphical display) - Automatic bending calculation and anti-collision functions - High-precision synchronized servo drive system - Belt-driven upper beam movement system, oil-free and requiring low maintenance - Spring-supported upper beam structure supporting energy recuperation - O-type frame design for minimal deformation - 300 mm stroke - 410 mm throat depth - Servo motorized backgauge system (X + R axes) - Backgauge precision: ±0.03 mm - Backgauge travel distances: - X axis: 750 mm - R axis: 250 mm - Hardened ball screws and linear guides - Two 3-stage backgauge fingers - European type upper tool holder – quick release (Promecam type) - European type narrow lower table - Standard upper punch (H: 67 mm – 85° – R: 0.8 mm) - Standard lower die (60×60 mm – 4V: 16 / 22 / 35 / 50 mm – 85° – H: 60 mm) - High-precision optical linear scales - LED illuminated working area - Sliding type front support arms - Double foot pedals - Emergency stop buttons Ncodpfx Ajx Nquksqvot - Safety equipment conforming to CE standards OPTIONAL FEATURES - Additional backgauge axes (Z1 – Z2 – X5) - Backgauge travel extension to 1000 mm - Motorized crowning system - Hydraulic upper and lower tool clamping systems - Front safety laser system (AKAS or DSP type) - Rear safety light curtain - CNC-controlled sheet support arms - Laser bending line - Laser angle measurement system - Automatic angle measurement systems - Air-conditioned electrical cabinet cooling system - Additional backgauge fingers - Custom tool and table solutions TECHNICAL SPECIFICATIONS (E100 / 3100 MODEL) - Bending force: 100 tons - Bending length: 3100 mm - Distance between side frames: 3345 mm - Stroke: 300 mm - Throat depth: O-Type frame - Open height (daylight): 515 mm - Table height: 900 mm Speeds - Approach speed: 95 mm/s - Bending speed: 10 mm/s (in compliance with CE standard) - Return speed: 95 mm/s Backgauge - X axis travel: 750 mm - R axis travel: 250 mm - X axis speed: 400 mm/s - R axis speed: 100 mm/s - Z axis speed: 600 mm/s General - Main motor power: 2 × 5.5 kW - Machine weight: ~7,500 kg - Machine dimensions (L×W×H): approx. 4600 × 2000 × 2650 mm

Condition: excellent (used), Year of construction: 2014, Wittmann Battenfeld HM 150/750 Servo Power / Hybrid Machine / Operating hours: approx. 29,000 in automatic mode Year of manufacture: 2014 Injection unit: Screw diameter: 50 mm Injection weight: 402.2 g Injection pressure: 1,714 bar Shot volume: 442 ccm Clamping unit: Clamping force: 150 t Tie bar distance: 520x470 mm Dimensions of platens: 760x755 mm Ejector: hydraulic Clamping unit: hydraulic Ncodpfx Asy Slvnoqvet Control system: UNILOG B6P - touchscreen Additional equipment: Machine in very good technical condition Electric machine: energy-saving and very quiet Operating hours: approx. 29,000 in automatic mode Total operating hours: 36,714 Euromap 67 Robot interface Air valve x 1 Hydraulic core pull x 1 Injection unit is wear-resistant and corrosion-resistant Main drive motor - servo motor driven by inverter - energy saving Dimensions: Weight: 6,600 kg Length/Width/Height: 4.82x1.42x2.20 m All machines offered are started up by our service technicians before sale. It is possible to obtain a video of the technical tests of the selected machine or to participate in live technical tests at our facility in Łódź. Price: On request

Condition: excellent (used), Year of construction: 2015, Wittmann Battenfeld VM 150/525 R1280 Servo Power / Vertical Injection Moulding Machine with Rotary Table Year of manufacture: 2015 Injection Unit: Screw diameter: 35 mm Shot weight: 175.6 g Injection pressure: 2743 bar Dosage volume: 193 ccm Clamping Unit: Clamping force: 150 t Tie bar distance: 0x0 mm Platen size: 1280 mm Ejector: hydraulic Clamping unit: hydraulic Control system: UNILOG B6 Additional equipment: Vertical injection moulding machine with rotary table Hybrid machine: high-speed, energy-saving, and very quiet Air valve x 5 Hydraulic core pull x 1 Hot runner control x 12 Injection unit is wear-resistant and corrosion-resistant Ncodpoy Slvhefx Aqvet Rotary table diameter: 1500 mm Rotary table driven by a servomotor, controlled by an inverter Dimensions: Weight: 11,300 kg Length/Width/Height: 3.83x1.50x4.07 m All machines offered are started up by our service technicians prior to sale. It is possible to receive a video of the technical tests of the selected machine or to participate in live technical tests at our company in Łódź. Price: On request

Condition: new, neu ca. 12 - 14 Wochen ab Auf Türkei 292300 € Ncedowiqmaopfx Aqvet 600 to 6050 mm Y1 / Y2 / X und R Achse 365 mm 5100 mm 510 mm 700 mm hydraulisch 80 mm/s 6,5 mm/s 80 mm/s 750 mm 280 l 2 x 11 kW kW 7600 mm 2650 mm 3950 mm 52500 kg 1 SERVO MOTOR AND PUMP PER CYLINDER 4 axes (Y1, Y2,X andR) CNC control SKY 22 - intuitive touch-screen control (simple drawing of the bending outline with your finger) 21,5“ in full HD - with 2D and 3D working screen - direct programming of the bending angle - user friendly programming in dialogue form optionally in 2D or 3D mode - 2D and 3D simulation of the bending sequence - automatic tool selection in 3D mode - automatic calculation of the blank sheet size - bending order calculation - graphic product and tool memory - correction possibility - USB and Ethernet interfaces for import, backup and programm transportation - OS: Windows - IGES, STEP, DXF files import servo motorized back gauge on linear guides and ball screws back gauge finger blocks on double linear guides CNC crowning table upper tool 1010 / A / 75 °, devidedand cranked 4-V die block 60x60 2009 (V = 16,22,35 and 50 mm) laser safety device Fiessler AKASmounted on the upper beam linear guided sheet support arms according to CE rules oilfilling users manual in English or German ADVANTAGES OF THIS CONCEPT: - hydraulic works only while upper beam movement - low energy consumption - low noise level - high speed PRICE FCA TURKEY optional equipment: CNC Control Delem DA-66 S CNC control DELEM DA-69S 3D incl. PC software Profile-S with 3D file import option

Condition: used, Year of construction: 2022, load capacity: 6,000 kg, lifting height: 20,800 mm, total length: 7,890 mm, - Drehbarer Teleskopstapler RTH 6.21 - Maximale Tragkraft 6.000 kg (Schwerpunkt 600 mm) - Maximale Hubhöhe 20,80 m - Drehung 360° (durchgehend) - Nennleistung 100 kW (136 PS) bei 2.200 U/min - Max. Drehmoment 500 Nm bei 1.600 U/min - Hubraum 3,6 l - Zylinderzahl 4 in Reihe - Motorkonfiguration Dieselmotor mit Direkteinspritzung und Turboaufladung - Kühlanlage Wassergekühlter Ladeluftkühler - Antrieb Typ Hydrostatisch - Modell Danfoss / Rexroth - Max. Druck 480 bar - Fördervolumina Elektronisch geregelte Axialkolbenpumpe. Verstellmotor. - Getriebe Dropbox-Getriebe mit 2 Fahrstufen für Vorwärts- und Rückwärtsfahrt Nsdpsy T Srlsfx Aqvsct - Achsen und Bremsen: Typ Achsen mit Planeten-Endantriebe - Hinterachse Lenkende Pendelachse mit hydraulischer Sperre - Vorderachse Pendellenkachse mit Niveauausgleich +/- 8 Grad - Betriebsbremse Ölbad-Lamellenbremse an jeder Achse, hydraulisch betätig - Feststellbremse Negativbremse, hydraulisch betätigt - Reifengröße 445/65 R22,5 - Leistungen: Max. Fahrgeschwindigkeit 40 km/h - Max. Zugkraft am Lasthaken 72 kN - Steigfähigkeit 41% - Wenderadius (mit Gabelzinken) 5.900 mm - Gesamtgewicht, unbeladen 17.600 kg - Auf Vorderachse, unbeladen (Ausleger eingefahren und abgesenkt) 8.000 kg - Auf Hinterachse, unbeladen (Ausleger eingefahren und abgesenkt) 9.600 kg - Max. Betriebsdruck 350 bar - Anlagentyp Load sensing - Betriebspumpe Danfoss / Casappa Verstellpump - Verteiler für Ausleger- und Oberwagenbewegungen: Danfoss- Elektroproportionalventil SIL - Verteiler für Stützen Bosch Rexroth Elektrohydraulische Aktuatoren - Bewegungssteuerung Zwei 2-Achsen-Joysticks Danfoss mit Totmanneinrichtung Steuerung mit CAN-Bus-Technologie

Condition: used, Year of construction: 2018, 1 x CNC-CONTROLLED DRILLING, GLUING AND DOWEL INSERTING MACHINE GANNOMAT "INDEX 130 PRO" (with options as Index 180 Pro) 400V, 3Ph, 50Hz complete in standard design with: - Support with linear guide consisting of: 1 x single-spindle horizontal drilling unit, 1.1 kW motor, tool speed selectable via operator software (3000/5000/8000 rpm) 1 x blow-out, gluing and dowel inserting station in reinforced design for dowels Æ 8 mm, dowel length 30 mm - fully automatic, electronically controlled central lubrication - X-axis NC controlled, with working length 1300 mm, travel speed max. 78 m/min. - Z-axis, position via support table 5-40 mm programmable with NC-controlled Z-axis option - Dowel driving overhang of 7-20 mm, programmable with NC-controlled Y-axis option, drilling depth of 0-35 mm (with drill length GL 70 mm) is automatically set with driving overhang - Closed glue system with 6 bar glue pressure via glue nozzle, for glues with a viscosity of 150 to 350 mPas - Glue quantity continuously adjustable via operator software - GL/WATER selector switch for rinsing the glue system, 1 stainless steel container each for 5 kg glue and 5 l water - Control lamp for residual glue quantity display in the glue container - 1 side stop left, 1 side stop right and 1 center stop (all removable) - 4 start buttons for individual working with 1-4 workpieces - 4 pcs. Pneumatic inclined clamping cylinder 10° for workpiece thicknesses up to max. 80 mm, workpiece length (Y) min. 70 mm - 1 pc. suction funnel, connection Æ 80 mm - 1 pc. TCT control with: built-in industrial PC, incl. Soft PLC type Beckhoff TWINCAT, operating temperature range 0-50°C, TFT industrial display 15" resistive touchscreen, resolution 1024 x 768, CPU 2 GHz, 256 MB RAM, 2x network interface adapters, IDE hard disk, 4x USB rear, 1x USB front, operating system: WINDOWS 7 - programming via menu-driven user software, drilling distances freely programmable with ABSOLUTE, RELATIVE or GRID dimensioning, automatic workpiece mirroring and work step optimization, 4 work fields can be assigned with different programs, graphic workpiece display, parametric programming, 0-point shift, programmable work lists, error diagnosis with plain text OPTIONS: 1 electronic, optical glue monitoring system G.I.C. (Glue Insert Control) for 1 glue nozzle 4 vertical inclined clamping cylinders 10° with holder, additionally, (total 8 clamping cylinders) 1 surcharge for machine bed length 1800 mm with working length 1800 mm 1 surcharge for: 1 horizontal drilling unit, motor 1.5 kW, with multi-spindle drilling head with 3 individually controllable drilling spindles, pitch 32 mm arranged in X-axis, tool speed 3000 rpm. (The standard working length is not reduced) 1 Y-axis NC-controlled, with recirculating ball screw and dynamic traversing speed of 300 mm/sec. The dowel driving overhang 7-30 mm and the drill hole depth 0-42 mm can be programmed via software. (with drill length GL 77 mm) for vertical drilling unit drilling from TOP, Y-axis position 5-42 mm 1 surcharge Y-axis NC-controlled position 5-62 mm instead of 5-42 mm 1 surcharge for: 1 vertical drilling unit drilling from TOP, motor 1.5 kW, with multi-spindle drilling head with 3 individually accessible drilling spindles, 32 mm pitch arranged in X-axis, tool speed 3000 rpm. Y-axis position 5-42 mm, workpiece length (Y) min. 130 mm, (the standard working length is not reduced) 1 Z-axis NC-controlled, with K Ncsdpfsxwaz Hjx Aqvst

Condition: new, Year of construction: 2026, neu 2026 Ncsdpswirtbofx Aqvjt 080198 prompt, Zwischenverkauf v Türkei 106178 € 1806.84 € 1 95600 € 175 to 3050 mm Y1 / Y2 / X / R Achse 265 mm 2600 mm 410 mm 530 mm hydraulisch 200 mm/s 10 mm/s 200 mm/s 650 mm 500 mm/s 250 mm 900 mm 104 mm 2 x 4 kW 4250 mm 1700 mm 2750 mm 10900 kg 1 SERVO MOTOR AND PUMP PER CYLINDER Standard accessories: 4 axes (Y1, Y2,X and R) Color graphics control Delem DA 66 S - 2D graphical touch screen programming mode - 3D machine representation, in simulation and production - 24" high resolution color TFT - Delem Modusys compatibility (module scalability and adaptivity) - USB, peripheral interfacing - User specific application support within the control's multitasking environment - Sensor bending & correction interface - Profile-S2D offline software servo motorized back gauge on linear guides and ball screws back gauge finger blocks on double linear guides CNC crowning table upper tool 1010 / A / 75 °, devidedand cranked 4-V die block 60x60 2009 (V = 16,22,35 and 50 mm) laser safety device Fiessler AKASmounted on the upper beam linear guided sheet support arms according to CE rules oilfilling users manual in English or German ADVANTAGES OF THIS CONCEPT: - hydraulic works only while upper beam movement - low energy consumption - low noise level - high speed OPTIONAL EQUIPMENT (TIME OF DELIVERY WITH THESE OPTIONS 16 WEEKS): CNC control DELEM DA-69S 3D incl. PC software Profile-S with 3D file import option Further options as pneumatic or hydraulic tool clamping on request.

Condition: used, Yaskawa Servo Motor SGMSH-20DCA6H-OY Nodpfxjy Swl Is Aqvect

Condition: used, Year of construction: 2021, functionality: fully functional, We offer this used Leybold COOL-DRIVE vacuum pump, year of manufacture 2021. Manufacturer: Leybold Nsdpsy T Hpxjfx Aqvoct Model: COOL-DRIVE Year of manufacture: 2021 Condition: used If you have any questions or need more information, feel free to send us a message or give us a call.

Condition: used, Mitsubishi Electric MR-S2-100B-Z33 - 501W000 Servo Drive / Controller For sale is a used Mitsubishi MR-S2-100B-Z33 servo drive / servo controller. The unit was removed from a fully functional machine and shows normal signs of use. Ideal as a spare part for CNC, automation, and industrial production systems. Technical Data Manufacturer: Mitsubishi Electric Model: MR-S2-100B-Z33 Type: Servo Drive / Servo Amplifier Made in Japan Condition Used Removed from a working machine Cosmetic condition: see pictures Nodey Ubb Sepfx Aqvjct Scope of delivery as shown in the photos Notes 7-day functional warranty