Used Tesa Longitudinal Measuring Machine for sale (78,739)

Condition: used, functionality: fully functional, In this listing, you are purchasing a ‘Keyence XM-1200’ coordinate measuring machine Item for sale: 1x Keyence XM-1200 with the following accessories including the accessories shown in the photos Condition: This listing is for a second-hand device, which may show signs of wear (minor scratches or discolouration). Prsdoyrcx Sjpfx Ai Tec Packaging and dispatch: You are welcome to view the device during our business hours. Please arrange an appointment to do so! Sea-worthy packaging and worldwide dispatch available on request! A functional test will be recorded on video for you prior to dispatch or collection. For further information, you are of course welcome to contact us directly.

Condition: good (used), Year of construction: 2022, Keyence VL-500 measuring head, VL-570 control unit, VL-500 device base, VL-550 optical 3D coordinate system scanner. Used, from a business liquidation. First purchased 03/2022. Technical data and information according to the manufacturer: 3D coordinate system control unit VL-500 Device base Keyence VL-550 3D measuring head Keyence 570 Measuring accuracy: ± 10µm according to VDI/VDE 2634 Part 3 Standard measuring mode: 4 million measuring points Fine measuring mode: 16 million measuring points Motorized rotary table: XY and 360° rotation Repeatability: 0.002mm Measuring accuracy: +- 0.01mm Max. workpiece weight: 50kg 3D scanner / laser scanner Without Keyence computer with Windows 11 and extensive evaluation software (GD&T) Without dongle Without monitor, keyboard and mouse Without manuals Prsdoz H Sa Djpfx Ai Tsc We recommend an inspection to avoid misunderstandings. Information without guarantee Information, details and technical data from the manufacturer. To prevent any misunderstandings regarding the condition of the item and the scope of the auction, we generally recommend an inspection BEFORE placing a bid! Further technical data can be requested from the manufacturer. Our business hours are from Monday to Friday between 8:30 am and 12:00 pm and 1:00 pm to 4:30 pm. During this time, inspections and collections are possible and desired AFTER prior appointment. Subject to prior sale, changes, errors and printing errors.

Condition: good (used), Year of construction: 2008, Hydraulically Height-Adjustable Pallet Truck from Witte - Alufix for loading coordinate measuring machines With Hovercraft Air Bearing Plate Pallet truck with hydraulic height adjustment from approx. 660 mm to 950 mm. Table top coated with a roller on the broad side for bridging height differences between the table and measuring plate. Internal dimensions approx. 900 x 700 mm. Eurofix air bearing plate with handle and integrated air valve for easy movement and positioning of heavy workpieces on coordinate measuring machines. The surface is equipped with 50 mm grid pattern boreholes. The holes have a diameter of 12.5 mm, a depth of 7 mm, and M6 threaded inserts at the base. The air supply can be activated via the valve integrated in the handle, allowing the entire plate with the mounted measuring object to be moved very easily. Usable area (aluminum) is approx. 600 x 600 mm. Ideal for Witte Alufix clamping systems for fixture construction in the automotive sector, etc. Dimensions approx. 1000 x 800 x 660/950 mm (LxWxH). Weight approx. 100 kg. Pedpfow Nylkox Ai Torc The machine can be demonstrated at our premises by appointment. We only offer machines that are ready for demonstration in our warehouse. See "more offers from this supplier."

Condition: used, x-travel:600 mm y-travel:fest mm z-travel:650 mm weight of the machine ca.:ges. 0,124 t Prodpfx Ao Ad Simji Toc dimensions of the machine ca.:0,7 x 1,0 x 1,05 m surface measuring, testing and evaluating unit for roughness and unevenness parameters with measuring post and feed device, incl. data logger with profile memory and full digital measured-value processing, fully programmable, evaluation according to different evaluation programs with single measuring run, reference-plane measuring on badly aligned, curved and tilted surfaces, automatic correction of height offset and tilt, measuring program with permanent storage and quick access, clearly arranged control elements, universal by plug-in program module for special functions, measuring post PST-Se, large black granite base plate with a 14 mm T-slot, table 650 x 450 mm, PRK feed device, adaptable precision scanning device for roughness, unevenness and form measuring, tracing length 1,5-60 mm, guidance accuracy 2 µm, tracing speed 0,5 and 0,1 m/s, automatically adjustable, return speed 1,5 m/s, standard - interval and terminal contact operation, extensive accessories, exchange calliper, calliper height-adjustable, calliper holder, calliper, etc.

Condition: excellent (used), Year of construction: 2018, We are selling our Faro Quantum S measuring arm, including the Polyworks software package. Predpfx Aoz Rkncoi Tjc Year of manufacture: 2018, last calibration: 2024. Comes with various accessories. Ready for immediate use.

Condition: as good as new (ex-display), Year of construction: 2018, functionality: fully functional, measuring range X-axis: 1,200 mm, measuring range Y-axis: 2,000 mm, measuring range Z-axis: 1,000 mm, warranty duration: 12 months, total height: 3,650 mm, type of input current: AC, total width: 2,200 mm, total length: 3,350 mm, overall weight: 6,100 kg, input voltage: 230 V, table load: 2,500 kg, Important – Machine sales and service are only available within Germany! We are selling our test and demonstration machine from our Solution Center. Additional machines are available. Please feel free to contact us. Mitutoyo | CRYSTA Apex 122010 Coordinate Measuring Machine Coordinate measuring machine with the latest Renishaw 5-axis technology, manufactured in 2018. Measuring range XYZ 1200 x 2000 x 1000 mm Prjdpfx Aoyibp Uei Tec Dimensions: XYZ 2200 x 3350 x 3650 Max. workpiece weight: 2500 kg Measurement uncertainty MPE (E0) 2.3 + 3.0 x L/1000 in μm Equipment: • Renishaw UCC S5 controller, SPA3 servo amplifier, MCU5-2 joystick, I++ server • Temperature compensation with workpiece sensor • Active damping • Renishaw REVO 5-axis measuring system for single points and scanning, incl. RSP2, 1x RSH175, 2 x RSH250 and RSP3-3 kit (3xSH) incl. all probe changers • Mode measuring software, current version with CAD import STEP, incl. 1 year of software maintenance • PC system Windows 11 with 2 x 27 TFT monitors, NEW, incl. height-adjustable desk • Control cabinet with current safety technology • Base plate M6 (loading drawer optional - see pictures) New price in 2018 plus VAT: €245,640.00 Optional service package of your choice: Transport, free to loading bay | Commissioning | Inspection | Accuracy acceptance according to DIN ISO 10360 | Software training in Pliezhausen or Eitorf | further options and equipment are available upon request.

Condition: used, Year of construction: 2016, functionality: fully functional, machine/vehicle number: 60766, API Radian R20 Laser Tracker – a professional 3D measurement system For sale is a professional 3D laser tracking and measurement system, the API Radian R20, used in industry, quality control, automation, robotics, and industrial metrology. The device is fully functional, ready for use, and comes from the equipment of a research and development company. The tracker was used in industrial conditions as intended. Technical data: Manufacturer: API – Automated Precision Inc. Model: Radian R20 Serial number: 60766 Year of manufacture: 2016 Measurement range: 20 m Technology: Laser Tracker 3D The set includes: API Radian R20 Laser Tracker controller / control unit SMR reflector tripod tracker transport case accessory transport cases cables and accessories as shown in the photos Podpfxezila Sj Ai Tsrc Technical condition: The device comes from the equipment of a research and development laboratory. The technical and visual condition corresponds to the product photos. Before sale, the equipment undergoes technical verification. Commercial information: The product is covered by a start-up warranty. If you have any questions or need additional information, please send a message or contact us by phone.

Condition: ready for operation (used), Year of construction: 2023, A Mitutoyo CNC bridge coordinate measuring machine is available. Travel X/Y/Z: 1200mm/2000mm/1000mm, measuring volume: 2.4m³, max. workpiece weight: 2500kg, max. workpiece height: 1000mm, probe system: Renishaw, probe positions: 20, measuring accuracy: 2.3+/-0.3/100µm, max. travel speed: 693mm/s. Machine dimensions X/Y/Z: approx. 3400mm/2200mm/3600mm, weight: approx. 6150kg, control: Mcosmos-3 V4.3. Documentation available. An on-site inspection is possible. Psdpfszhnrbox Ai Terc

Year of construction: 2022, condition: used, controller manufacturer: Sonstige, controller model: Bruker alicona MetMaX, _____ Description: Year of manuf. : 2022 Control : Sonstige Bruker alicona MetMaX Movement X/Y/Z : mm In General: Measurement method:Non-contact, optical, three-dimensional Maximum number of measurement points:500 million Measurement volume:310 x 310 x 310 mm Travel speed:100 mm/s Dimensions:960 x 1,109 x 1,958 (2,288) mm Weight:approx. 1,250 kg Measuring object Surface texture:Any surface (including polished metals) Max. weight:30 kg Max. dimensions (W x H):680 x 375 mm Equipment: Rotary table:A-axis, C-axis Lens changer:Automatic (4-position) Number of lenses:4 (WD 11, 17, 19, 30) Polarisation:Ringlight HP Vc1 System monitoring:9 temperature sensors ControlServerSF:64-bit, 6-core, 32 GB RAM, 500 GB SSD, Windows 10 Set-up mode:Handheld control unit Pjdpfxs Aau Tyo Ai Tjrc

Condition: used, Mitutoyo 3D CNC measuring machine Manufacturer: Mitutoyo Model: BN706 Code No. 3700M-312 Type: Coordinate measuring machine Granite measuring table Measuring range: X-axis: 700 mm Pedpfx Aew Hda Iei Terc Y-axis: 600 mm Z-axis: 600 mm Table size: 850 x 1200 mm Dimensions: (W x L x H) 1600 x 1800 x 2600 mm Weight approx. 2600 kg Not functionally tested More items – new and used – can be found in our shop! International shipping costs available upon request!

Condition: refurbished (used), Year of construction: 2025, operating hours: 12 h, functionality: fully functional, measuring range X-axis: 400 mm, measuring range Y-axis: 200 mm, measuring range Z-axis: 200 mm, workpiece weight (max.): 15 kg, warranty duration: 12 months, total height: 2,000 mm, type of input current: AC, total width: 1,000 mm, total length: 800 mm, overall weight: 800 kg, input voltage: 230 V, Equipment: documentation/manual, lighting, type plate available, Mahr Multiscope 400 Multisensor Measuring Device equipped with camera and Renishaw touch probe system Fully functional with factory acceptance before delivery! Comprehensive maintenance history Measuring range: 400x200x200 mm Maximum workpiece weight (glass plate): 15 kg Instrument weight: 800 kg Control cabinet weight: 90 kg External dimensions: 800x1000x2000 mm Prsdpfx Asw Slafsi Tec Maximum traverse speed: 150 mm/s Accuracy: U1=1.9 + L/200; U2=2.4 + L/150; U3=2.9 + L/100 (L = measurement length in mm) Factory-refurbished premium multisensor measuring center with warranty and guarantee, rebuilt 2025. Includes the latest software update for Windows 10 (Windows 11 upgrade and OptiCheck3D 2025 available as options), including free lifetime software hotline and user support. Optional: Delivery via factory service or forwarding agent, worldwide. Optional: On-site commissioning & calibration Optional: Training service Online and on-site demos available with customer parts, application consulting by accredited Profitech metrology laboratories during project planning. Available complete service: – Delivery, installation, commissioning, acceptance according to standards, certification, and comprehensive acceptance documentation. Individual training and education programs also bookable as online courses. Creation of your measuring programs for direct operation with the device is also possible. Rental, lease-purchase, or financing possible directly via Profitech without any financial institution. The measuring device can be individually configured to customer requirements (within the EU). Reference number: 01814-1-ms400 (Please always include this with inquiries)

Condition: used, Keyence KEYENCE XM-2000 with XM-H1000 – 3D Coordinate Measuring System (CMM) Year of manufacture: 2020 Professional handheld measuring system for precise 3D measurements directly in the production environment. Item description: For sale is a used KEYENCE XM-2000 coordinate measuring system, including the XM-H1000 handheld probe. This innovative system enables precise 3D measurements directly at the workplace – without a measuring room, without complex setup, and without specialized CMM knowledge. The device is ideally suited for manufacturing companies, quality assurance, initial sample inspection reports (ISIR), in-process controls, and reverse engineering. Technical data – KEYENCE XM-C1000 / XM-H1000 (XM series) Measuring system (general) Feature: Measuring range (XYZ) approx. 600 × 300 × 200 mm (depending on the configuration) Measuring accuracy ±(8 + L/80) µm (L = measuring length in mm) Repeatability ±3 µm (typical) Resolution 1 µm Measuring principle - Optical tracking with camera-based detection Calibration - User calibration possible with calibration sphere CAD comparison - Directly on the device (STEP, IGES, etc.) Pedpjzii Dnsfx Ai Tjrc Export formats - PDF, Excel, CSV, DXF Tolerance evaluation - Automatic with color comparison XM-C1000 – Control and evaluation unit (controller) Component: Display - 15-inch touchscreen Connections - USB, LAN, HDMI, power connection Storage options - Internal + USB export Software functions - Measuring, CAD comparison, report generation Operation - Touchscreen + button operation Languages - Multilingual (including German) XM-H1000 – Handheld measuring probe Feature: Probe type - Handheld with push button Feedback - LED status indicator, vibration signal Probe tip - Replaceable, various tips available Tracking - Detected via the controller's camera system System properties Feature: Operating temperature: 10 – 35 °C Voltage supply: 100–240 V AC, 50/60 Hz System size (complete) - approx. 800 × 600 × 800 mm (depending on the configuration) Weight (total system) - approx. 25–40 kg (depending on the configuration) Mounting - On table or optional measuring table Scope of delivery: KEYENCE XM-2000 control and evaluation unit KEYENCE XM-H1000 handheld measuring probe XM-C1000 (controller) Camera unit / tracking module Connection cables and power supplies Condition: Used, fully functional, in very good condition. Shipping & delivery: Shipping by freight forwarder Self-collection possible by arrangement. International shipping possible upon request. If you have any questions, require further information, or would like to arrange a viewing appointment, please do not hesitate to contact us. (Changes and errors in the technical data and information are subject to change!) We will be happy to answer any further questions you may have by telephone.

Condition: used, functionality: fully functional, With this offer, you are purchasing a second-hand “Keyence VL-500” 3D co-ordinate measuring machine Items for sale: 1x Keyence VL-500 with the following features incl. software incl. VL-H2P add-on software Psdpez N Akgefx Ai Terc incl. VL-H2G add-on software incl. laptop for operation incl. calibration plate Ready for immediate use Condition: This listing is for a second-hand unit, which may show signs of wear (minor scratches or discolouration). The unit has been tested to ensure it is in working order Packaging and dispatch: You are welcome to view the unit during our opening hours. Please arrange an appointment to do so! Seaworthy packaging and worldwide dispatch available on request! A functional test will be recorded on video for you prior to dispatch or collection. For further information, please feel free to contact us directly.

Condition: excellent (used), Year of construction: 2020, functionality: fully functional, measuring range X-axis: 700 mm, measuring range Y-axis: 1,000 mm, measuring range Z-axis: 600 mm, MCOSMOS with GEOPAK module (CAD-assisted evaluation). Software - MCOSMOS 3 CNC V4 Equipment: PH10MQ probe head (incl. FCR25 quick-change rack). SP25M scanning probe system with 5-piece probe module set. MCOSMOS 3 CNC V4 incl. dongle (Wibu-Box). CAT1000PS V4 (CAD comparison and evaluation). Software upgrade MCOSMOS-1 from V2 to V4. Prjdpjx H Nn Refx Ai Toc GEO-EDM add-on module for eroded parts. Part-program generator and GEO-EDM assistant.

Condition: excellent (used), Year of construction: 2007, functionality: fully functional, travel distance X-axis: 500 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 400 mm, Equipment: documentation/manual, type plate available, Very good condition, original software including hardware key. Renishaw measuring probe. Direct sale to end-users only. Podpfx Aozw Rpnji Tjrc Price includes loading at the seller's location: W-Technology s.r.o. Polní 8 79201 Bruntál Czech Republic

Condition: used, Year of construction: 2005, functionality: fully functional, machine/vehicle number: 054390, measuring range X-axis: 1,500 mm, measuring range Y-axis: 2,500 mm, measuring range Z-axis: 1,200 mm, Manufacturer: Wenzel Model: LH 1512 Serial No.: 054390 Year of manufacture: 2005 Measuring software: Quartis Measuring volume X/Y/Z mm: 1500mm/2500mm/1200mm Control panel: HT400 Probing system: PH10M / TP200 Control system: WPC 2040 Supply: 6 bar Power requirement: 230 V Prjdpfx Aioz Sy S Te Tsc Accuracy: E0, MPE 3.7 µm + (L/250mm) PForm.Sph.1x25:SS:Tact 3.7µm Machine weight: approx. 12500 kg Workpiece weight: approx. 3750 kg Space requirement CMM: L ≈ 4000mm / Width ≈ 2560mm / Height ≈ 4030mm Equipment: Active damping Accessories: Ball standard, probe changer SCR200 Condition: Used, regular maintenance performed Options: DAkkS – Calibration possible The machine can be modernized with new accessories according to customer requirements. Price: on request! Installation and commissioning possible! We will gladly prepare a detailed offer for you! Note: Our offer is exclusively for professional customers! (Subject to changes and errors in the technical data, information, and prices, as well as prior sale!)

Condition: used, Year of construction: 2008, machine/vehicle number: 66271, - Device designation: XT H 225 L - Manufacturer: Metris X-Tek Systems Ltd. - Serial no.: JN1373 - Year of manufacture: 2008 Podpfeym N Txex Ai Torc - Dimensions of X-ray unit enclosure: - Length: 2422 mm - Depth: 1275 mm - Height: 1990 mm - Weight: 3500 kg - Dimensions of control console: - Width: 550 mm - Depth: 746 mm - Height: 1076 mm - Weight: 500 kg - Last maintenance/repair: February 2023 (job report attached) - Last used and powered on: Mid 2024 - The unit was shut down as the next maintenance was due, but it was decided not to incur these costs. Up to that point, the machine was running perfectly. - The scope of delivery includes various accessories, such as several filters for scanning mainly plastic materials, clamping and alignment aids, operator’s manual in paper form, etc.

Condition: used, Mitutoyo Type: QS250Z Mitutoyo QS250Z CNC Vision Measuring Machine – Year of manufacture 2017 – including software & accessories For sale is a high-quality Mitutoyo QS250Z CNC Vision Measuring Machine from 2017, in very good condition. It is a precise optical coordinate measuring machine for non-contact measurement of workpieces. Ideal for quality assurance, incoming goods inspection, production, precision engineering, electronics, plastics technology, and more. What can the device do? The QS250Z is a CNC-controlled optical measuring machine for: 2D coordinate measurement Contour and profile measurement Measurement of distances, radii, angles, and diameters Measurement of holes, grooves, edges, and complex geometries Serial measurements with automated measuring programs Prodpfoynkbasx Ai Toc Documentation and report generation via Mitutoyo software Measurement is performed non-contact using a high-resolution camera system with image processing. Ideal for sensitive or small components where tactile measurement is not suitable. Thanks to CNC control, automated measuring sequences are possible – perfect for recurring testing processes. Technical data: Model: Mitutoyo QS250Z Machine type: CNC Vision Measuring Machine Year of manufacture: 2017 Code No.: 359-508-10Y Manufacturer: Mitutoyo Corporation, Japan Electrical data: 200–240 V AC 50/60 Hz Power consumption: approx. 500 W Fuse: 250V T 2.5A Dimensions (approx.): Width: approx. 700–800 mm Depth: approx. 900 mm Height: approx. 1,100 mm Weight (approx.): approx. 150–200 kg Important note: “The table shown in the photos is not included in the sale.” Condition: used Scope of delivery: (See image) Mitutoyo QS250Z main unit Joystick box Software package: QS-ConfigDisk QSPAK FORMTRACERPAK-AP MiCAT Vision / Form Manuals & documentation Various electronic circuit boards (see images) Other accessories as shown (Changes and errors in the technical data are subject to change!) We will be happy to answer any further questions you may have by phone.

Condition: ready for operation (used), Year of construction: 2023, A custom-built slitting and straightening machine Grossmann/BFW for aluminum strip is available. Strip width: 35mm, Straightening unit: multi-roll, Knife type: rotary knives, Strip guidance: roller guidance, Tension control: KTC800A. Documentation available. An on-site inspection is possible. Predpfx Aezklfdoi Tjc

Condition: like new (used), Year of construction: 2023, functionality: fully functional, measuring range X-axis: 4,000 mm, measuring range Y-axis: 3,200 mm, measuring range Z-axis: 2,100 mm, workpiece weight (max.): 4,500 kg, total height: 3,660 mm, type of input current: AC, total length: 4,800 mm, overall weight: 11,000 kg, input voltage: 230 V, table width: 3,200 mm, table height: 725 mm, table length: 4,800 mm, year of last overhaul: 2024, Equipment: documentation/manual, type plate available, Dual-column CMM * Floor-mounted design (measuring plate in one piece, 5000 x 3100 mm) * Measuring plate is decoupled with active vibration isolation Measuring range * X 4,000, Y 2 x 1,600 (3,200), Z 2,100 [mm] * Overlap of columns in Y = 150 [mm] Measuring uncertainty Single column: 20 + L/60, max. 60 [µm] at L = 4,000 mm Dual column: 40 + L/35, max. 80 [µm] at L = 4,000 mm Dynamics 3D traversing speed 433 mm/sec 3D acceleration 768 mm/sec² Probing system (per column) * HEXAGON HH-AS2.5° * Optical laser scanner, type HP-L-10.10 Controller (per column) * DC800 ETH Wireless operating unit * Portable terminal with display Computer (per column) * DELL Tower, 24" monitors * According to the software manufacturer's specifications Software (per column) * PCDMIS CAD++ 2026.R1 * Option: Laser sensor HP-L-10.10 Podpfez Rpmwex Ai Tsrc * Dual-column function Extensive accessories * Calibration sphere holder - tactile probes - equipped with 3 * Calibration sphere holder - optical laser - equipped with 2 * Variable stylus assortment * 8-position modules in various lengths * SICK light curtain system integrated for automatic operation, all-round Supplier services * Transport, commissioning, calibration, final acceptance Warranty * 12 months, from the date of acceptance Availability * Short-term

Condition: used, Trackscan sharp 49 Large scan volume of 49 cubic meters – Scan rate up to 2,600,000 measurements/s Prodpfx Aiexuq R Ts Tjc – Volumetric accuracy at 10.4 m³: 0.049 mm at 28.6 m³: 0.067 mm at 49.0 m³: 0.089 mm – Resolution up to 0.02 mm

Condition: new, Year of construction: 2025, functionality: fully functional, measuring range X-axis: 700 mm, measuring range Y-axis: 1,000 mm, measuring range Z-axis: 700 mm, Design Predpjzf H Euofx Ai Toc Design: Bridge measuring machine Guidance system: High-precision air bearing guides Measuring range X-axis: 700 mm Y-axis: 1000 mm Z-axis: 700 mm Accuracy: 1.7 + l/300 Vectorial acceleration: 1732 mm/s² Vectorial velocity: 519 mm/s Probing system Measurement technology: Tactile Type: PH10M / TP20 Equipment Probe changing system: Included

Condition: used, Year of construction: 2020, functionality: fully functional, Equipment: documentation/manual, type plate available, We are offering this used Keyence VL-500 optical 3D coordinate measuring machine, manufactured in 2020. Manufacturer: Keyence Corporation Model: VL-500 Country of origin: Japan Prodpfx Aey Uw Dvoi Tsc Year of manufacture: 2020 Serial number: CC910026 System consists of: Control unit: VL-500 Base/object table: VL-530 Measuring head: VL-570 Calibration plate Manuals Dongle PC Last calibration performed by the manufacturer in 11/2024. If you have any questions or require further information, please feel free to send us a message or call us.

Condition: excellent (used), Year of construction: 2001, functionality: fully functional, measuring range X-axis: 700 mm, measuring range Y-axis: 700 mm, measuring range Z-axis: 600 mm, Equipment: type plate available, Eclipse 7/7/6 CNC Technical specifications: Measuring range X = 700 mm, Y = 700 mm, Z = 700 mm C99 control system with BP26_SE operating panel Renishaw TP20 probing system Pedpfx Aioz Eglls Tjrc Equipment: Calibration sphere Probing accessories HP computer with 27" monitor Software: Calypso Basic 2017 CNC Preset module Freeform surface Upgrade to the latest version possible The machine is in excellent technical and visual condition and has very few operating hours. Available immediately.

Condition: ready for operation (used), Year of construction: 2018, Type: 3D coordinate measuring machine (CMM), measuring range X/Y/Z: 300mm/250mm/150mm. Documentation available. On-site inspection is possible. Predpfsupk A Eox Ai Tec