Used Zimmer Z252/Dg for sale (712)

Condition: new, Year of construction: 2026, saw blade diameter: 400 mm, cutting range round steel at 90°: 120 mm, cutting range round steel at 45°: 110 mm, rotational speed (max.): 60 rpm, warranty duration: 12 months, saw blade speed: 60 rpm, cutting range square steel at 45°: 110 mm, cutting range square steel at 90°: 120 mm, cutting diameter: 120 mm, Equipment: documentation/manual, Semi-Automatic Double-Head Vertical Pipe and Profile Cutting Saw Machine Product Overview The semi-automatic double-head vertical pipe and profile cutting saw machine is designed for serial, precise, and repeatable cutting of round pipes, square, and rectangular profiles in industrial production lines. The right saw head is fixed, while the left saw head features a servo motor-driven automatic movement. The heavy-duty gearbox system, cast table structure, and precision cutting mechanism ensure stable cutting quality and long machine life even under heavy load conditions. Key Features - Semi-automatic double-head vertical pipe and profile cutting saw machine - Right saw head is fixed; left saw head is servo motor-driven and automatically movable - Left head system runs on cassette-type linear guides Ledpfjyg H R Iox Aiweab - Helical gear reducer composed of hardened and ground helical gears, suitable for heavy-load conditions - Vertical cutting movement of the saw heads: - Ball screw drive - Servo motor controlled - Long-life, high-precision cassette-type linear guide system - Cutting units mounted on fully cast bases - Variable speed cutting: - Slow at entry - Rapid in the middle - Slow again at exit - This reduces total cutting time by approximately 30% and increases saw blade life - Inverter-controlled saw speed between 20–60 rpm - PLC-controlled color touch screen Cutting Capacity (Pipe & Profile) Maximum Saw Blade Diameter: 400 mm Cutting Angles and Capacities | Cutting Angle | Round Pipe (max.) | Square Profile (max.) | Rectangular Profile (max.) | |-----|-----|-----|----- | | 90° | Ø 120 mm | 120 × 120 mm | 160 × 90 mm | | ±45° | Ø 120 mm | 110 × 110 mm | 140 × 90 mm | | +60° | Ø 110 mm | 90 × 90 mm | 90 × 90 mm | Technical Specifications - Main Voltage: 400 V - Control Voltage: 24 V - Installed Power: 9.5 kW - Current: 35 A - Saw Motor: 3 kW - Coolant Pump: 0.06 kW - Air Pressure: 6 kg/cm² (240 L/min) - Saw Speed: 20–60 rpm (inverter controlled) - Angle Selection: 90° / ±45° / +60° Saw Blade Specifications - Saw Blade Diameter: 400 mm - Saw Bore Diameter: 40 / 50 mm - Pin Holes: 4 – 15 – 80 - Coating Options: - TiN: For medium-hard steels - TiCN: For high-hardness steels - TiAlN: For stainless steels Machine Dimensions & Weight - Width: 4200 mm - Depth: 1200 mm - Height: 1800 mm - Net Weight: 2520 kg - Gross Weight: 2540 kg

Operating hours: 100 h, condition: used, functionality: fully functional, Heavy-duty granulator. Rotor width 1200 mm, rotor diameter 660 mm, with 5 rows of knives, one with a V-cut blade, 3 counter knives, one of which serves as a deflector, which can also be removed. Hopper and screen basket open hydraulically. Weight approx. 7700 kg. Lajdpfsv Iqrnox Aiwjb Machine has only been in operation for approximately 100 hours. No wear. Optionally available with feed conveyor belt or suction system.

Year of construction: 2025, operating hours: 2 h, condition: like new (used), functionality: fully functional, DG 2660 E granulator, 15 kW, rotor width 600 mm, rotor diameter 260 mm, 3 rows of knives, V-cut, 2 rows of counter knives. With soundproof enclosure. Showroom machine, as good as new. Lodjv Iqyxepfx Aiwsab

Condition: new, capacity 90 degrees: round 300 mm capacity 90 degrees: square 330 mm 400 x 310 saw band length 3820 x 34 x 1,1 mm Ljdpfx Aowinykeiweab band speed 22 - 88 m/min table height 930 mm total power requirement 2,2 kW weight of the machine ca. 0,8 t dimensions of the machine ca. 2,22 x 1,2 x 2,1 m Double miter band saw, hydraulic semi-automatic • miter left 60° + right 45° • Industrial hydraulics, powerful 18 bar • Best access to the material • Ammeter to check a. - Optimization of cutting force - Tape life - cutting course • Vise closes/opens hydraulically • Material turntable with ball bearings b. • Adjustable quick-release • Material height sensor Semi-automatic function: 1. Clamp material 2. Saw starts 3. Rapid lowering to the start of the material or the same for series cutting cut 4. Saw band off 5. Raise the frame to just above the material 6. Open the vise

Condition: ready for operation (used), Year of construction: 2011, machine/vehicle number: 3500322132F, functionality: fully functional, empty load weight: 1,200 kg, saw band length: 4,520 mm, saw band speed: 1,666 mm/s, saw band width: 1 mm, No reserve price – guaranteed sale to the highest bidder! The payment deadline for the machine is 20/11/2025! Placing a bid obliges you to collect the machine on time between 01/12/2025 and 05/12/2025! TECHNICAL DETAILS Bandsaw length: 4,520 mm Bandsaw width: 1.1 mm Bandsaw height: 34 mm Bandsaw speed: 20 m/min – 100 m/min MACHINE DETAILS Laedexm Rkqspfx Aiwsb Roller conveyor length: 2,000 mm Roller conveyor width: 450 mm Dimensions & weight Dimensions (L x W x H): 2,500 x 2,000 x 1,800 mm Net weight: 1,200 kg EQUIPMENT Roller conveyor

Condition: good (used), Double Mitre Saw Elumatec DG 740/02 – Used, Functional, Ready for Demonstration For sale is an Elumatec Double Mitre Saw DG 740/02 in good, fully operational condition. The machine is immediately ready for use and can be demonstrated on site. Technical Data / Equipment: Model: Elumatec DG 740/02 Double mitre saw for precision cutting of aluminium and plastic profiles Robust construction, precise cutting guidance Both saw units swiveling / capable of mitre cuts Cleaned and well-maintained used condition Cutting length: 6 m Saw blade: 4420x3.8/3.2x30Z Z102 TFA Angle/degrees: 45-90° Condition: Laodpfjxzdulox Aiwjb The machine is in functional, age-appropriate good condition. All features can be tested live during inspection. The machine has been disassembled from production, cleaned, and is stored in a warehouse ready for demonstration until sold. Inspection & Collection: Non-binding inspection possible by appointment. Collection by the buyer. Price: Negotiable If interested or if you have any questions, please feel free to contact us!

Condition: new, Manual metal band saw with high cutting accuracy. With this machine 90° cuts, as well as mitre cuts, left up to 45° and right up to 30°, are infinitely variable possible. (Swivel range left 45° and right 60°) Basic equipment: - Large rotatable support table without wear! (The cutting channel of the saw band rotates with the mitre) - band tension indicator - hydraulic control of the cast iron saw arm - hydraulic clamping of the workpiece via short stroke cylinder - Height limitation of the saw frame by means of potentiometer from the control panel - hydraulic cutting pressure regulation (solid material - pipe) - Lowering of the saw arm via hydraulic cylinder; stepless adjustment - Lifting of the saw arm manually after the cut Ljdpfx Asd Dpz Asiweab - easy manual shifting of the vice R/L - electrical band tension control with saw band breakage control - coolant pump with double feed to the saw band guides - carbide saw band guides and guide rollers - Bi - metal saw band M 42 - chip brush Technical Data ● Cutting range: round flat square 90° round 278 mm / flat 340 x 275 mm / quadr. 275 mm 45° R round 260 mm / flat 320 x 255 mm / squared 230 mm 30° R round 155 mm / flat 145 x 115 mm / squared 115 mm 45° L round 205 mm / flat 275 x 180 mm / squared 180 mm Drive power: 1.5KW//400V//50 Hz Belt speed: 20-120 m/min infinitely variable Saw band dimension: 3125 x 27 x 0.9 mm Remaining piece length: 20 mm Smallest ø: 5 mm Material support height: 775 mm Dimension

Condition: like new (used), Year of construction: 2012, operating hours: 27,000 h, functionality: fully functional, pressure: 13 bar, operating pressure: 13 bar, For sale is a Jumag steam generator with oil burner. Gas burner available on request. The unit is in very good condition. Model DG 360. Year of manufacture 2012. Steam output 360 kg/h. Max. steam pressure 13 bar. Delivery available at additional cost. On-site inspection possible. Please contact us if you have any questions. Laedpfxeydqurj Aiweb

Condition: new, Robust double mitre metal bandsaw for professional use in metalworking and container fabrication, featuring hydraulic lowering of the saw bow. Technical Data: Cutting capacity: 0° round: 315 mm 0° square: 270 mm 0° rectangular: 250 x 400 mm 45° round: 280 mm 45° square: 280 mm 45° rectangular: 300 x 280 mm 60° round: 180 mm 60° square: 140 mm 60° rectangular: 140 x 180 mm -45° round: 250 mm -45° square: 220 mm -45° rectangular: 280 x 200 mm Cutting speed: 35 / 70 m/min Saw blade: 3460 x 34 x 1.1 mm Worktable height: 970 mm Motor power: 2.2 kW Ledpsw Hxapsfx Aiwjab Coolant pump motor: 100 W Dimensions (approx.): 2270 x 970 x 1140 mm Weight (approx.): 580 kg Features: - Double mitre saw with tiltable saw bow, adjustable from left -45° to right -45° - Ideal for machining pipes, profiles, and solid materials made of stainless steel, iron, etc., in industrial applications - Generously dimensioned cast saw arm for low-vibration operation - Equipped with two cutting speeds for optimal adjustment to the workpiece - Hydraulic lowering cylinder - Quick-release vice for fast and easy clamping of the workpiece - Precise, adjustable blade guides for optimal cutting results - CE/IEC compliant, German documentation and German service Scope of delivery: - Bimetal saw blade 3460 x 34 x 1.1 mm - Blade tension adjustable via manometer - Carbide blade guides - Quick-release vice - Material stop - Coolant system with pump - Hydraulic lowering cylinder - Motor protection switch - Automatic shutdown at end of cut - Base frame

Condition: new, Ideal for machining pipes, profiles, and solid materials made of stainless steel, iron, etc. in industrial applications. Technical Data: Cutting Capacity: Round 0°: 235 mm Square 0°: 200 x 200 mm Flat 0°: 280 x 190 mm Round 45° right: 190 mm Square 45° right: 170 x 170 mm Flat 45° right: 190 x 180 mm Round 60°: 120 mm Square 60°: 120 x 120 mm Flat 60°: 120 x 115 mm Round 45° left: 175 mm Square 45° left: 145 x 145 mm Stepless cutting speed: 20 - 90 m/min Saw blade: 2645 x 27 x 0.9 mm Working height, approx.: 990 mm Coolant pump: 100 W Saw motor: 1.5 kW Electrical connection: 230 V Dimensions (LxWxH), approx.: 1600 x 1100 x 1500 mm Weight, approx.: 295 kg Lsdpfx Aieqbr Suowoab Features: - Double mitre saw with pivoting saw frame from left -45° to right +60° - Generously dimensioned cast saw arm for low-vibration operation - Infinitely variable saw speed for optimum adjustment to the workpiece - Hydraulic lowering cylinder, infinitely adjustable - Quick-release vice for easy and fast workpiece clamping - Precise, adjustable saw band guides for optimal cutting results - CE/IEC compliant, German documentation and German service Scope of delivery: - Bi-metal saw blade - Blade tension adjustable via manometer - Carbide blade guides - Quick-release vice - Material stop - Coolant system incl. pump - Hydraulic lowering cylinder - Motor protection switch - Automatic shut-off at end of cut - Base frame

Condition: new, Robust double-mitre band saw for professional use in metalworking and tank construction, featuring hydraulic lowering of the saw bow. Ledpjw Hxckefx Aiwjab Cutting capacity: - Round 0°: 355 mm - Square 0°: 300 x 300 mm - Flat 0°: 490 x 300 mm - Round 45°: 350 mm - Square 45°: 290 x 290 mm - Flat 45°: 340 x 290 mm - Round 60°: 230 mm - Square 60°: 180 x 180 mm - Flat 60°: 220 x 180 mm Blade speed: 35 / 70 m/min Saw blade: 3770 x 34 x 1.1 mm Working height approx.: 870 mm Coolant pump: 100 W Motor power: 1.9 kW Connection: 400 V Dimensions (LxWxH) approx.: 2200 x 1400 x 1500 mm Weight approx.: 625 kg Features: - Double-mitre saw with pivoting saw bow from left -45° to right +60° - Ideal for machining pipes, structural and solid materials such as stainless steel, steel, etc., in industrial environments - Generously dimensioned cast saw arm for low-vibration operation - Two band speeds to optimally adapt to the workpiece - Hydraulic lowering cylinder - Automatic vice release after cutting - Quick-release vice for fast and easy clamping - Precise, adjustable blade guides for optimal cutting results - CE/IEC certified, German documentation and support Scope of delivery: - Bi-metal saw blade 3770 x 34 x 1.1 mm - Blade tension adjustable via pressure gauge - Carbide blade guides - Quick-release vice - Material stop - Coolant system with pump - Hydraulic lowering cylinder - Motor protection switch - Automatic cut-off after end of cut - Base frame

Condition: new, Cutting range: round 0°: 270 mm square 0°: 260 x 260 mm flat 0°: 320 x 260 mm round 45° R: 230 mm square 45° R: 220 x 220 mm flat 45° R: 230 x 150 mm round 60° R: 140 mm square 60° R: 140 x 140 mm round 45° L: 200 mm square 45° L: 175 x 175 mm flat 45° L: 220 x 150 mm Cutting speed: 40 / 80 m/min Saw blade: 2925 x 27 x 0.9 mm Working height: 975 mm Coolant pump: 100 W Saw motor: 1.9 kW Voltage: 400 V Dimensions LxWxH, approx.: 2000 x 1300 x 2000 mm Weight, approx.: 550 kg Features: - Double mitre saw with swivel saw arm from left -45° to right +60° - Ideal for cutting pipes, profile material and solid material made of VA, iron, etc. in commercial applications - Generously dimensioned cast saw arm for low-vibration work - With 2 saw blade speeds for optimum adaptation to the workpiece - Hydraulic lowering cylinder - Quick-clamping vice for quick and easy workpiece clamping - Precise, adjustable saw blade guide for optimum cutting results - CE/IEC, German documentation and German service Scope of delivery: - BiMetal band saw blade 2925 x 27 x 0.9 mm - Band tension adjustable via pressure gauge - Carbide guides - Quick-clamping vice - Material stop Lajdpjiqt Rlsfx Aiweb - Coolant device with pump - Hydraulic lowering cylinder - Motor protection switch - Automatic switch-off at the end of the cut - Underframe

Condition: used, mileage: 98,263 km, power: 63 kW (85.66 HP), first registration: 12/1982, overall weight: 5,000 kg, fuel type: diesel, color: blue, gearing type: mechanical, loading space width: 2,000 mm, loading space length: 4,050 mm, loading space height: 1,900 mm, Year of construction: 1982, total length: 6,075 mm, total width: 2,120 mm, total height: 2,730 mm, number of seats: 2, Very clean 'Düdo' as a 508 D flatbed with tarpaulin, 100% original – freshly restored and newly painted in RAL 5329. From second ownership: 1st owner was an authority / state police, then privately owned and returned to us due to health reasons. Equipment: 2-seater, radio, fog lights, ring-type trailer hitch 3.5t The 3.8l diesel engine runs perfectly, Vmax = 96 km/h, also plenty of torque on inclines. No pending repairs – ready to drive immediately, fully equipped with side-impact and underrun protection. Laedpfxexp Tkls Aiwjb All 6 tires are new, the exhaust system, silencer, and tailpipe are new. We have then thoroughly and professionally refurbished the vehicle: Driver's cab disassembled, partially welded, and professionally repainted in RAL 5329. The 508 was originally green (RAL 6029). We have also brush-cleaned the chassis and all rims, repainted in several coats, followed by preservation with protective wax. Recent inspection performed at our workshop: - Engine oil and brake fluid changed, all lubrication points serviced - Engine sealed: crankshaft oil seal replaced, radiator removed and reinstalled, coolant renewed - Wheel brake cylinders front and rear renewed, both starter batteries replaced Some of the tension straps on the tarpaulin have been renewed. The entire process took around 120 hours. New general inspection (HU/AU) with Classic Car Certificate (H registration) upon delivery. Included: 2 spare wheels (for rims) and a tow bar. Flatbed dimensions: 4050 x 2000 x 1900 mm (L x W x H) +++ Subject to change, prior sale, and errors +++ + BP 581 H+

Condition: new, Comparable to Behringer, Kaltenbach, Kasto, Jaespa, etc. Ljdeh S Nxpopfx Aiwoab Patented miter system Continuously adjustable cutting speed Hydraulic feed control Hydraulic lifting and lowering of the saw frame Hydraulic material clamping Powerful frequency-controlled saw drive Swivel range 30° right / 45° left Cutting range in mm: 45° left round 300, flat 300 x 300 90° round 410, flat 620 x 410 45° right round 360, flat 420 x 360 30° right round 300, flat 300 x 300 Remnant piece length without bundle clamping: 60mm Recommended options: Micro-spray device Laser light Clamping pressure regulator Powered chip brush Manual support roller Set-up elements

Condition: used, Year of construction: 2003, functionality: fully functional, machine/vehicle number: 0799134157, Double-head miter saw for PVC and aluminium window profiles. Ljdpfx Ajyvidqeiweab

Condition: good (used), Technical Data: Parameter Value Saw blade diameter 330 mm Cutting capacity (at 90°) 165 x 115 mm Cutting capacity (at 45°) 115 x 115 mm Swivel range (angles) 0° to 45° Cutting length (min./max.) min. 350 mm / max. 3000 mm Motor power 2 x 2.5 HP (approx. 1.8 kW) Power supply 380 V, 50 Hz Operating pressure 6 bar Weight 615 kg Technical Condition: Lajdpfx Ajxvmqxeiwob Used machine, technically fully functional, with signs of use appropriate for its age (year of manufacture: 1977). Please contact me to arrange viewing and testing of the machine. Collection in person or transport possible upon agreement.

Condition: new, Year of construction: 2025, functionality: fully functional, total height: 41 mm, saw band length: 6,880 mm, Fully automatic horizontal mitre saw for cuts from +60° to -60°, equipped with Siemens control system and 2000 mm material feeder - Dual-column guided horizontal bandsaw for cutting solid bars and bar profiles - Siemens S7-1500 control with extensive functionality, operated via a 7'' touchscreen display - Standard with 2000 mm material feeder -> frequency-controlled feed via ball screw and servomotor - Material database with preset sawing parameters and characteristic curves - Sawing movement via ball screw and servomotor - With ARP (automatic cutting feed regulation) -> automatic saw blade feed based on material resistance. The feed rate is continuously adjusted to the current cutting load. ARP enables shorter processing times and longer saw blade service life. - Automatic positioning after entering the desired angle - Hydraulic clamping of the turntable allows for precise angle cuts - Robust machine frame and minimal distances between the saw blade, machine guideways, and workpiece minimize vibrations for optimal cutting performance - Infinitely variable cutting speed from 15 to 150 m/min - Saw drive via bevel gearbox, asynchronous motor, and frequency inverter - For straight cuts, clamping of the material before and after the cut via split vise - Adjustment of hydraulic vise pressure via a control valve with pressure gauge - 7° saw blade inclination and hydraulic band tension increase blade service life Ledpfjx Uk Arsx Aiwoab - Front blade guide automatically moves parallel to the movable vise jaw - Swarf removal brush driven by blade wheel - Emulsion cooling with fluid distribution to the blade guides and directly into the cutting channel - LEUZE safety light barrier in front of the machine and material feeder - More powerful motor available as an option - Blade guides with integrated cooling system

Condition: excellent (used), pressure: 13 bar, operating pressure: 13 bar, For sale is a Jumag steam generator with oil burner. Gas burner available on request. The unit is in very good condition. Model DG 320. Steam output 320 kg/h. Maximum steam pressure 13 bar. Delivery available for an additional charge. On-site inspection possible. If you have any questions, please contact us. Ledpfx Aijydq E Dewoab

Condition: excellent (used), Year of construction: 2009, functionality: fully functional, pressure: 13 bar, operating pressure: 13 bar, For sale is a Jumag steam generator with oil burner. Lajdeydq Ewopfx Aiwob Gas burner available on request. The unit is in very good condition. Model: DG 360. Year of manufacture: 2009. Steam output: 360 kg/h. Max steam pressure: 13 bar. Delivery available at extra cost. On-site inspection possible. Feel free to contact us with any questions.

Condition: excellent (used), Year of construction: 2011, pressure: 13 bar, operating pressure: 13 bar, For sale: Jumag steam generator with oil burner. Gas burner available on request. The unit is in very good condition. Model DG 360. Year of manufacture: 2011. Steam output: 360 kg/h. Maximum steam pressure: 13 bar. Delivery available at extra cost. Inspection on site possible. Please contact us if you have any questions. Lodpfxjydqxdo Aiwoab

Condition: excellent (used), Year of construction: 2011, functionality: fully functional, pressure: 13 bar, operating pressure: 13 bar, empty load weight: 1,450 kg, For sale is a Jumag steam generator with oil burner. Optionally available with gas burner upon request. The unit is in very good condition. Model DG 560. Year of manufacture: 2011. Steam output: 560 kg/h. Maximum steam pressure: 13 bar. Delivery available at extra cost. On-site inspection possible. Please contact us with any questions. Ljdpfx Aisydnzijwoab

Year of construction: 1990, condition: reconditioned (used), Year of renovation: 2010 Output kVa: 1375 Volt: 6300 V Lodpfsini Hwox Aiweab Total weight: 74000 kg Other information: 1,16 MW Diesel Generator, Completely renewed

Condition: used, Year of construction: 2005, functionality: unexamined, Kaltenbach KBS 620 DG — Horizontal Double-Mitre Band Saw, Year 2005 Laodsyrgrpjpfx Aiwob Specifications Cutting capacity 90°: 620 x 350 mm Cutting capacity 70°: 610 x 350 mm Cutting capacity 60°: 570 x 350 mm Cutting capacity 45°: 470 x 350 mm Cutting capacity -45°: 430 x 350 mm Mitre range: +60° / -45° (double mitre) Blade dimensions: 6175 x 41 x 1.3 mm Blade types: Bi-metal M2, M42, M51 Cutting speed: 15–90 m/min (steplessly adjustable) Feed rate: max. 400 mm/min Construction: Double-column, heavy-duty steel frame Control: NC-controlled mitre angle setting Software: Kaltenbach PROFICUT Cooling: Air cooling + micro oil lubrication Weight: approx. 2,600 kg Features: Suitable for cutting steel profiles, tubes, and flat bars. Hydraulic clamping after angle adjustment, steplessly adjustable blade feed, NC-controlled length measurement.

Condition: used, Year of construction: 2014, functionality: fully functional, machine/vehicle number: MF09BB30, type of input current: three-phase, Equipment: clamp, FOR SALE – Minipack-Torre Tunnel 50 Shrink Tunnel (Italy) Machine Description For sale: High-quality Minipack-Torre Tunnel 50 shrink tunnel designed for industrial and packaging applications with hot air film shrinking technology. Italian manufacture, renowned for robust build, reliability, and user-friendly operation. Ideal for packaging products in PVC, POF, or polyolefin shrink film. Technical Specifications (approximate): - 7200W, 11A - Manufacturer: Minipack-Torre (Italy) - Model: Tunnel 50 - Type: Shrink tunnel (heat shrink packaging) - Power supply: 400 V / 3-phase / 50 Hz - Adjustable temperature and conveyor speed - Digital control panel (temperature and belt speed) - Stainless steel roller conveyor inside the tunnel - Emergency stop and main power switch - Tunnel dimensions: approx. 850 × 500 mm (W × H) - Mounted on lockable caster wheels for easy mobility Condition: - Fully functional and tested Lajdpfsxt Dwkex Aiwjb - Well-maintained, ready for immediate use - Available for inspection at Roffelsen Plastics, Ivanka Pri Nitre (Slovakia) Price: €3,000 – negotiable Final price depends on inspection and transport arrangements. Ideal for: - Packaging lines for plastic, cosmetic, or food products - Small to medium production facilities - Perfect companion for L-sealers and shrink-wrapping systems Location: Ivanka pri Nitre, Slovakia Phone: available upon request Short version for listings For sale: Minipack-Torre Tunnel 50 shrink tunnel Professional Italian shrink packaging machine in excellent condition. Adjustable temperature and conveyor speed, robust and reliable.

Condition: excellent (used), Year of construction: 2015, functionality: fully functional, Excellent technical condition of machine. Ljdpfxjwltqao Aiwoab