Used Hexagon 7-Axis Measuring Arm for sale (42,622)

Condition: good (used), Year of construction: 2004, operating hours: 92,947 h, load capacity: 400 kg, arm reach: 2,550 mm, IRB 7600 is ideal for heavy applications, regardless of industry. Typical uses include handling heavy fixtures and parts, turning car bodies, lifting engines, in foundries or forges, and loading and unloading machine cells. It can also be used to lift large, heavy pallet layers. Characteristics such as high available torque and inertia capability, rigid design, and powerful acceleration have earned this market leader its “Power Robot” title. Please note that the price does not include shipping costs. Year: 2004 (Multiple options and bulk buying discounts available) Hsdpfxoq Ap Ddo Ab Ujfn Type: Foundry Cabinet: NOT Included (Works with M2000) Teach Pendant: NOT included but we can try to find one for you Signalling & Power Cables: NOT Included but we can try to find them for you Please get in touch with us for a quote and also the refurbishment options. As PLC Merkezi EOOD, we have more than 300 robots in our inventory and deal with KUKA, ABB, FANUC and Motoman brands. (Source: ABB's Website)

Condition: not inspected (used), Year of construction: 2020, functionality: unexamined, machine/vehicle number: 71193, measuring range X-axis: 3,000 mm, total width: 500 mm, total length: 1,000 mm, total height: 1,000 mm, overall weight: 30 kg, positioning accuracy: 0.045 mm, ● Availability: By arrangement ● Internal No.: ZM3 Technical data: Measuring volume: 3,000 mm Accuracy: 0.045 mm Scope of delivery: ● Includes laptop and software as shown in the images (completeness not guaranteed) ● Includes transport case Dimensions & weights: ● Installation dimensions (L x W x H): approx. 1,000 x 500 x 1,000 mm ● Weight: approx. 30 kg Hodez A Tcfspfx Ab Uefn Additional notes: ►Upon request, we can offer transport to the desired location. ►The goods are sold with no warranty of any kind. ►Technical data subject to change. ►The red base frame is not included in the scope of delivery.

Year of construction: 2010, condition: ready for operation (used), - USED - 3D MEASURING MACHINE X-AXIS TRAVEL: 1320 mm Y-AXIS TRAVEL: 970 mm Z-AXIS TRAVEL: 610 mm CAPACITY: 800 Kg Hfodpey R E T Djfx Ab Ujn WEIGHT: 3800 Kg OVERALL DIMENSIONS: 2338 x 1575 x 3157 mm

Year of construction: 2013, condition: like new (used), 3D coordinate measuring machine in portal design * Precise CMM with high performance * Probing system TESA-STAR-M (motorized), 7.5° indexable Measuring range * X 900, Y 1,500, Z 800 [mm] Measurement uncertainty * 2.7 + L/333, max. 5.0 [µm] Dynamics (without active vibration isolation) * 3D traversing speed 300 mm/sec * 3D acceleration 1.5 m/sec² Probing system Hodpfx Aoh T Dz Ajb Ujfn * TESA STAR M - motorized * Renishaw TP20 / TP200 Controller * Hexagon DC240 Software * PCDMIS CAD++ 2021 * Incl. CAD interface CATIA V5 (import) Accessories: * Probe set, extensions, modules Optional services * We offer transport, commissioning, acceptance testing, and calibration * Calibration according to DIN EN ISO 10360-2 Warranty * 12 months, from date of acceptance

Condition: not inspected (used), Year of construction: 2019, functionality: unexamined, machine/vehicle number: 71267, total width: 500 mm, total length: 500 mm, total height: 500 mm, overall weight: 20 kg, No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Measuring volume: 1,200 mm Accuracy: 0.015 mm MACHINE DETAILS Dimensions & Weight Installation dimensions (L x W x H): approx. 500 x 500 x 500 mm Weight approx.: 20 kg EQUIPMENT Laptop and software (completeness not guaranteed) Hfsdpfxszb A Dtj Ab Uon Transport case Note: The red base frame on which the laptop is placed is not included in the offer.

Condition: used, Year of construction: 2005, travel distance X-axis: 730 mm, travel distance Y-axis: 850 mm, travel distance Z-axis: 560 mm, table width: 500 mm, table height: 500 mm, spindle speed (min.): 10,000 rpm, 5-axis Vertical Machining Centre CNC Control Mazatrol Fusion 640 M 5x Table size 500x500 mm Table load 500 kg Number of pallets 12 (PMC) Max workpiece Ø 730x500 mm Movement X/Y/Z-axis 730-850-560 mm C-axis (table rotation) 360° A-axis (table tilt) +30/-120 Spindle speed 35-10.000 1/Min Spindle Taper Big Plus BT50 Spindle motor 30/22 kW Magazin capacity 120 If you have any questions concerning the machine, please do not hesitate to contact us by phone or e-mail. Feel free to view our other advertisements for a complete overview of our stock. Hfedpfxoy Ryylj Ab Uon

Condition: used, Year of construction: 2013, HELLER 7 Machines: H 6000 MCH 280 MCH 250 We are offering, directly on behalf of the owner, machines from a site relocation: 7 x HELLER 4-axis horizontal machining centers Manufacturer: Heller 1. Type: H 6000 Year of manufacture: 2011 Operating hours: 28,338 Control: Simumerik 840 D solution line Travel X/Y/Z = 1,000 x 1,000 x 1,000 mm Pallet changer: 2-position Hfsdpfx Asz Ihpwsb Uen Tool slots: 150 2. Type: H 6000 Year of manufacture: 2009 Operating hours: 33,963 Control: Simumerik 840 D solution line Travel X/Y/Z = 1,000 x 1,000 x 1,000 mm Pallet changer: 2-position Tool slots: 165 3. Type: H 6000 Year of manufacture: 2013 Operating hours: 26,025 Control: Simumerik 840 D solution line Travel X/Y/Z = 1,000 x 1,000 x 1,000 mm Pallet changer: 5-position Defect in gearbox 4. Type: MCH 280 Year of manufacture: 2011 Operating hours: 44,454 Control: Simumerik 840 D Travel X/Y/Z = 1,000 x 1,000 x 1,000 mm Pallet changer: 5-position Tool slots: 100 5. Type: MCH250 Year of manufacture: 2008 Operating hours: 49,905 Control: Simumerik 840 D Travel X/Y/Z = 800 x 800 x 800 mm Pallet changer: 2-position Tool slots: 100 6. Type: MCH250 Year of manufacture: 2008 Operating hours: 43,820 Control: Simumerik 840 D Travel X/Y/Z = 800 x 800 x 800 mm Pallet changer: 5-position Tool slots: 100 7. Type: MCH250 Year of manufacture: 2007 Operating hours: 58,084 Control: Simumerik 840 D Travel X/Y/Z = 800 x 800 x 800 mm Pallet changer: 2-position Tool slots: 100 The sale is without clamping devices and tool holders. Further detailed information and technical specifications are available upon request.

Condition: ready for operation (used), Year of construction: 2022, functionality: fully functional, machine/vehicle number: A25-M5-22-48408, repeat accuracy: 0.004 mm, number of axes: 7, The new price of the machine in 2023 was €48,700! TECHNICAL DETAILS Number of axes: 7 Hsdpjyqwgbofx Ab Usfn Arm length: 2.5 m Repeatability: 0.0042 mm Volumetric accuracy: 0.054 mm MACHINE DETAILS Calibration date: 03.2023 Operating temperature range: 10 °C – 40 °C Operating humidity: 95% (non-condensing) Operating voltage: 100 – 240 V AC Frequency: 47/63 Hz Notes: Without CAM2 probe/touch Professional license Specifications, information, and technical data are provided by the manufacturer; therefore, no guarantee can be given by the seller.

Condition: good (used), Year of construction: 2007, 1 used CNC tool grinding machine Make: Schneeberger Model: Corvus GDS 650 Year of manufacture: 2007 CNC Control: FANUC 160i Software: Quinto 4.3 Activated software options (option numbers): 1, 2, 19, 21, 22, 30, 31, 32, 35 - Fanuc loading robot - Coolant system Travel: X-axis: 650 mm Y-axis: 300 mm Z-axis: 300 mm C-axis swivel range: +150°/ -60° C’-axis swivel range: +/- 180° Grinding spindle: Wheel diameter up to 250 mm Speed: 0 – 10,000 rpm Max spindle power: 26 kW HSK 80 interface Max. number of wheels: 6 Workpiece spindle head: Vmax: 180°/s Drive power: 1.6 kW ISO 50 interface Precision (resolution): Linear axis resolution: 0.001 mm C-axis: 0.001° Dimensions: Length: 3,100 mm Width: 1,915 mm Height: 2,190 mm Weight: 8,500 kg U-axis is integrated with steady rest, clamping cylinder, and tailstock Hsdeu A Dn Njpfx Ab Uefn 6-pallet loader (diameter 3 to 32 mm) 64 plastic collets Technical data subject to change without notice

Condition: excellent (used), Year of construction: 2008, functionality: fully functional, Equipment: type plate available, Fast precision coordinate measuring machine and gear measuring center. Moving gantry with patented TRICISION™ technology X 900 / Y 1500 / Z 700 Hfedpfx Asv S Dk Ejb Ujn B5 control system (retrofit 2021) High-resolution Leitz LSP-S2 3D measuring head Measurement uncertainty according to DIN EN ISO 10360-2: 0.9 + L/350 µm 8-position probe change system Large package with probe accessories PCDMIS CAD++ 2024 software 12-month warranty Computer, 32" screen Installation, commissioning, and acceptance according to DIN EN ISO 10360-2, 4, and 5

Condition: good (used), Year of construction: 2014, functionality: fully functional, Description: The machine is in good technical condition, and testing is possible upon prior arrangement. Measurement range: 800 × 1200 × 600 mm. TESASTAR-M measuring head. TESA/TMA adapter. TesastarMP body. 4 TesastarMP measuring modules. TESASTAR-e system. Extensive set of M2 measuring probes. Measuring probe extensions. 5-position rotary measuring probe system. CMM/joystick control. PC workstation. Currently installed software: PC-DMIS CAD++ 2024.2. Hfedpfjzy Ig Nsx Ab Uon

Condition: not inspected (used), Year of construction: 2008, functionality: unexamined, machine/vehicle number: 71257, No minimum price – guaranteed sale to the highest bidder! Hfodpfx Abszhuyls Uen TECHNICAL DETAILS Measuring volume: 3,000 mm Accuracy: 0.07 mm MACHINE DETAILS Dimensions & Weight Installation dimensions L x W x H: 1,000 x 500 x 1,000 Weight: 30 kg SCOPE OF DELIVERY Laptop and software (completeness not guaranteed) Transport case Note: The red base on which the laptop is placed is not included in the offer.

Condition: used, Bosch Rexroth Type: SCARA SR6, control panel defective Bosch Rexroth pivoting arm robot, turbo SCARA SR6 with control unit Rated load: 2 kg Maximum load (sleeve diameter 20 mm): 5 kg Maximum load (sleeve diameter 25 mm): 8 kg Rated maximum moment of inertia (axis 4): 500 kgcm² Maximum moment of inertia (axis 4): 1000 kgcm² Horizontal force, continuous/maximum: 60/150 N Vertical force, continuous/maximum: 200/300 N Torque (axis 4), rated/maximum: 5/10 Nm Hfjdpfx Aozh U R Rob Ujn Condition: used Scope of delivery: (See image) (Changes and errors in the technical data are subject to change!) We will gladly answer any further questions you may have by phone.

Condition: excellent (used), Precision CNC tool presetting and measuring device from renowned manufacturer KELCH – model Trabant 271-2/M. Equipped with a length and diameter measuring system featuring optics and a KELCH Pico LCD A23 monitor, as well as Heidenhain ND1202T Tool-Chek electronics. Very good condition, complete and fully operational unit. Technical specifications and features: • Manufacturer: KELCH GmbH + Co. Werkzeugmaschinenfabrik, Germany • Model: Trabant 271-2/M • Year of manufacture: 2000 • Measuring unit: KELCH Pico LCD (Version A23) • Display system: Heidenhain ND1202T Tool-Chek • Power supply: 230V / 50–60Hz / 1000 VA • Optical system with measuring camera and LCD screen • Rotary table with holders and two-axis adjustment system • X/Z axis measuring range: up to approx. 400 mm • Axis control from KELCH control panel (joystick + function keypad) • Digital readout, menu in German and English • Complete with original documentation and all connectors Condition: • Used, fully functional • Very clean example from a German toolmaking shop • All axes move smoothly, screen responds correctly • Ready for work Functional description: The KELCH Trabant 271-2/M is designed for fast and precise presetting of cutting tools prior to mounting in CNC machines. The optical system with Pico LCD display allows for measurement of tool length, diameter, and geometry in visual mode. Ideal for inspection and presetting of milling cutters, turning tools, drills, and special tools. Hsdjz Slirepfx Ab Uefn

Condition: reconditioned (used), Year of construction: 2026, operating hours: 12 h, functionality: fully functional, measuring range X-axis: 400 mm, measuring range Y-axis: 400 mm, measuring range Z-axis: 200 mm, warranty duration: 12 months, travel distance X-axis: 400 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 200 mm, feed length X-axis: 400 mm, feed length Y-axis: 400 mm, feed length Z-axis: 200 mm, year of last overhaul: 2025, Equipment: documentation/manual, lighting, type plate available, Mahr Multiscope 442 Multisensor Measuring System equipped with camera, laser, Renishaw probing system, and Hexagon Vision 3D software (upgrade to Windows 11 and OptiCheck3D 2025 possible) Complete maintenance history available Factory-refurbished premium multisensor measuring center with warranty and guarantee, rebuilt in 2025. Delivery via factory service or forwarding agent, worldwide. Online or optional on-site demonstrations with customer parts, application-specific consultation by accredited Profitech metrology laboratories during project planning. Comprehensive service: – Delivery, installation, commissioning, accuracy verification to standard, certification, and extensive acceptance documentation. Individual training and education programs also available as online courses. Rental, hire-purchase, or financing available directly through Profitech without a financial institution. Measuring system can be individually configured to customer requirements. Measuring range for all sensors: 400x400x200 mm Dimensions: 800x1000x2000 mm Weight: approx. 800 kg Maximum load (glass plate): 30 kg Accuracies: U1=1.9 + L/200; U2=2.4 + L/150; U3=2.9 + L/100 (L = measuring length in mm) Max. traverse speed: 250 mm/s Including camera Hfsdpfx Aoxufk Ueb Ujn Including rotary table Including laser Including LED ring light Including new frame grabber Including dual-monitor operation Including CNC control and PC Including Hexagon Vision3D software

Condition: like new (used), Year of construction: 2013, functionality: fully functional, measuring range X-axis: 600 mm, measuring range Y-axis: 1,000 mm, measuring range Z-axis: 600 mm, workpiece weight (max.): 300 kg, The machine is in mint condition, barely used. Complete set with PC and work desk. Hjdpfxjxr Ulpo Ab Uefn

Condition: used, Stäubli Type: TX90L robot / CS8C controller Six-axis robot with controller For sale: a Stäubli TX90L 6-axis industrial robot including CS8C controller and original teach pendant. The robot is suitable for pick & place, assembly, handling, machine loading, as well as automation, testing and training applications. Programming via VAL3. Technical data – Robot Type: TX90L Axes: 6 Payload: 5–6 kg nominal, up to 15 kg temporarily Reach: approx. 1,200 mm Repeatability: ±0.035 mm Wrist protection rating: IP65 (IP67) Mounting: Floor / Wall / Ceiling Robot weight: approx. 113 kg Hfjdpfjzix Ucex Ab Uen Technical data – Controller Controller: Stäubli CS8C Software: VAL3 s6.7.1 Programming language: VAL3, PLC IEC 61131-3 Interfaces: Ethernet, fieldbus, digital I/O, serial interfaces Power supply: 3 × 400 V, 50/60 Hz Power consumption: approx. 2000 VA Protection rating: IP20 Controller weight: approx. 50 kg Important note: "The table shown in the photos is not included in the sale." Condition: used Scope of delivery: (See picture) Stäubli TX90L robot arm CS8C controller Original teach pendant Connection cable (Subject to changes and errors in the technical data!) We will be happy to answer any further questions you may have by phone.

Condition: used, STÄUBLI SCARA industrial robot with CS9 controller TS2-40 4-axis SCARA robot for highly precise pick & place, assembly, and automation tasks For sale is a used SCARA industrial robot from the manufacturer Stäubli, including a CS9 controller. The robot system is ideally suited for fast pick & place applications, assembly, packaging, handling, as well as laboratory and automation tasks. The complete system, including controller, original robot connection cable, and accessories as shown in the pictures, will be delivered. Technical data: Manufacturer: Stäubli Faverges SCA, France Model: TS2-40 Robot type: SCARA, 4 axes Robot year of manufacture: 03/2023 Controller year of manufacture: 03/2023 Controller: CS9-TS2-40 Reach: 460 mm Rated payload: 2.4 kg Max. payload: 8.4 kg Robot weight: 38 kg Controller weight: 30 kg Total weight: approx. 68 kg Repeatability XY: ±0.01 mm Repeatability Z: ±0.004 mm Repeatability Rz: ±0.002° Controller: CS9 rack controller VAL 3 activated PROFINET Device REST API integrated Programmable robot controller Connections: Controller power supply: 1 × 230 VAC, 50/60 Hz Power consumption: 1700 VA PROFINET Ethernet Digital inputs/outputs Pneumatic connections on the robot Equipment: Stäubli TS2-40 SCARA robot CS9-TS2-40 controller Original robot connection cable (robot ↔ controller) End-of-arm tooling mounting installed Original documentation Accessories as shown in the pictures Application areas: Pick & place Assembly automation Electronics manufacturing Laboratory automation Packaging automation Machine loading Quality assurance Industry 4.0 applications Scope of delivery: Stäubli TS2-40 SCARA robot CS9-TS2-40 controller Original robot connection cable (robot ↔ controller) End-of-arm tooling Accessories as shown in the pictures Condition: Used Year of manufacture 2023. Optical condition as shown in the pictures. System startup and information menus have been tested. Robot system including controller. A teach pendant is not included in the scope of delivery. Hfedpfjzlq E Sox Ab Uon The table shown in the photos, as well as any other items not explicitly mentioned, are not included in the sale. Shipping by freight forwarder is possible. Subject to change, errors and prior sale. We will be happy to answer any further questions by telephone or e-mail.

Condition: used, Mitsubishi Type: RV-3SDB-S15 Mitsubishi Industrial 6-Axis Articulated Arm Robot Compact and powerful, offering flexible automation and high reliability. The RV series provides a highly dynamic 6-axis articulated arm robot for maximum quality. Hfedpfxezdyt Ne Ab Ujn Number of axes: 6 Maximum lifting capacity: 3.5 kg Reach radius: 642 mm Weight: 38 kg Condition: used Scope of delivery: (See picture) (Changes and errors in the technical data are subject to change!) We would be happy to answer any further questions you may have by phone.

Condition: as good as new (ex-display), Year of construction: 2022, measuring range X-axis: 700 mm, measuring range Y-axis: 700 mm, measuring range Z-axis: 500 mm, UK Delivery Only Global S Green 07.07.05 Shop Floor - additional bellows on the X & axis HH-AS8-T5 Automatic Indexing Probe Head (5° increments) HP-THDe High Definition Touch Trigger Probe Year of Manufacture: 2022 ISO 10360-2:2009: MPE(E0/E150)1) [18-22°C] 1.5+ L/333 Hfjdpozimrvefx Ab Uen MPE(E0/E150)1) [15-30°C] 1.5+ L/263

Condition: used, Denso Type: Denso 6-axis robot VS-068 / Controller 410200-2611 Denso industrial robot with Denso controller Industries and applications The VS-068 series offers high speed and high performance in a compact, streamlined housing. Hodpfezd Ub Usx Ab Uefn In addition, numerous options are available, enabling operation in a wide variety of environments. Thanks to its high-speed performance, accuracy, and the diverse options available, the VS-068 can be used in almost all areas, including the automotive, chemical, consumer goods, electronics, food, greenhouse, machine tool, medical device and pharmaceutical, plastics, and metal industries. The robot model can be used for assembly, inspection, alignment, material handling, material maintenance, packaging, palletizing, and customized applications. Denso 6-axis robot VS-068 with Denso robot controller 410200-2611 The compact model impresses with outstanding performance and speed. Robot model VS068A4-AV6-C3N-ANNDN-NNNN Arm reach 710 mm Payload 7.0 kg Cycle time 0.31 sec Repeatability ±0.02 mm Weight: 49 kg Year of manufacture: 2016 Condition: used Scope of delivery: (See picture) (Subject to changes and errors in the technical data and specifications!) We will gladly answer any further questions you may have by phone.

Condition: used, Denso Type: Denso 6-axis robot VS-068 / Controller 410200-2611 Denso industrial robot with Denso controller Industries and applications: The VS-068 series offers high speed and high performance in a compact, streamlined housing. In addition, numerous options are available, enabling operation in a wide variety of environments. Thanks to its high-speed performance, accuracy, and diverse available options, the VS-068 can be used in almost all areas, including the automotive, chemical, consumer goods, electronics, food, greenhouse, machine tool, medical device and pharmaceutical, plastics, and metal industries. The robot model can be used for assembly, inspection, alignment, material handling, material maintenance, packaging, palletizing, and custom applications. Denso 6-axis robot VS-068 with Denso robot controller 410200-2611 The compact model impresses with outstanding performance and speed. Hfsdpfozd Ucfox Ab Ujn Robot model VS068A4-AV6-C3N-ANNDN-NNNN Arm reach: 710 mm Payload: 7.0 kg Cycle time: 0.31 sec Repeatability: ±0.02 mm Weight: 49 kg Year of manufacture: 2016 Condition: used Scope of delivery: (See picture) (Changes and errors in the technical data are subject to change!) We will be happy to answer any further questions you may have by telephone.

Condition: used, Denso Type: Denso 6-axis robot VS-068 / Controller 410200-2611 Denso industrial robot with Denso controller Industries and applications The VS-068 series offers high speed and high performance in a compact, streamlined housing. In addition, numerous options are available, enabling operation in a wide variety of environments. Thanks to its high-speed performance, accuracy, and the wide range of options available, the VS-068 can be used in almost all areas, including the automotive, chemical, consumer goods, electronics, food, greenhouse, machine tool, medical device and pharmaceutical, plastics, and metal industries. The robot model can be used for assembly, inspection, alignment, material handling, material maintenance, packaging, palletizing, and customized applications. Denso 6-axis robot VS-068 with Denso robot controller 410200-2611 The compact model impresses with outstanding performance and speed. Robot model VS068A4-AV6-C3N-ANNDN-NNNN Arm reach 710 mm Payload 7.0 kg Cycle time 0.31 sec Repeatability ±0.02 mm Weight: 49 kg Year of manufacture: 2016 Hsdpfx Abezd Ub Is Uefn Condition: used Scope of delivery: (See image) (Changes and errors in the technical data are subject to change!) We will gladly answer any further questions you may have over the phone.

Condition: good (used), Year of construction: 2008, travel distance X-axis: 550 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 350 mm, total height: 2,200 mm, total width: 1,900 mm, total length: 1,800 mm, table width: 650 mm, table length: 850 mm, Sinker EDM machine with a C-axis. Hedpfx Abjzqd Rre Uofn

Condition: refurbished (used), Year of construction: 1998, workpiece weight (max.): 15,000 kg, travel distance Z-axis: 1,000 mm, chuck outer diameter: 1,750 mm, spindle speed (max.): 400 rpm, turning diameter: 2,100 mm, turning height: 1,350 mm, rotational speed (max.): 3,000 rpm, feed force Z-axis: 50,000 N, year of last overhaul: 2026, The Millennium provides very high precision turning and versatile machining capability. Always precise, always powerful. Features of this machine:- – Involute chain drive for very high speeds, very low noise – a 36” diameter Timken cross roller bearing, the ultimate bearing – see last page – All steel 1750mm dia. 4 jaw chuck for high speeds. Maximum loading 15,000kgs. – A servo powered C axis control that provides backlash free C axis movement – high power and high accuracy – 200mm square forged steel ram - high accuracy heavy cutting when required and incorporating a 15KW ISO 50taper live spindle providing speeds 20 to 3000rpm for rotary contour milling, pcd drilling and angle milling and grinding with attachments (new heads can be provided to order). 1350mm maximum height under ram – Automatic pick up of turning tools, live tools and attachments from the 18 pocket tool magazine – Raise and lower crossrail - high precision latching and clamping at 200mm pitches – flexibility without loss of accuracy Hfedpfx Asy Uwxtjb Uon Fanuc 18Ti. A very precise, powerful and versatile machine tool. Performs all functions shown in photo gallery 12 months guarantee