Beli Erowa Erowa Robot Easy Automation bekas (19.510)

Tahun pembuatan: 2007, Kondisi: siap digunakan (bekas), berat keseluruhan: 1.300 kg, jumlah sumbu: 3, This 3-axis EROWA Robot Easy Automation was manufactured in 2007. It offers a maximum load capacity of 1,500 kg and a magazine plate with 6 positions per level. The machine features a Z-axis with a travel distance of 75 mm and an M-axis enabling 360° movement. If you are looking for high-quality automation solutions, you should consider the EROWA Robot Easy Automation system we have for sale. Please contact us for further details. Nedpfozcdwdsx Abwjwh - Maximum load capacity (magazine): 1,500 kg - Magazine plate options and capacities: * MTS 400: 6 positions per level, max. 1,500 kg per level, max. 250 kg per position - Transfer weight capacity: * Max. 250 kg (requires RCS 5 coupling and RCS 5 Gripperlink ER-038622 on all pallets for weights above 130 kg) * Max. 130 kg (with RCS I coupling) - Electrical supply voltage options: 3 x 400 VAC ±10%, 3 x 208 VAC ±10%, or 3 x 480 VAC ±10% - Operating frequency: 50/60 Hz - Rated output: 710 VA - Rated current: 1.8 A - Fuse protection: 10 ATT - Service socket voltage: 230 VAC - Pneumatic system minimum pressure: 5 bar - Pneumatic system minimum air flow rate: 250 l/min (indicated as 200 l/min on the nameplate) - Axis travel/movement (X-axis): Type-dependent - Axis travel (Z-axis): 75 mm (standard, pneumatic drive) - Axis travel/movement (M-axis): 360° (standard, electric drive) - Net machine weight: 1,300 kg - No longer connected to power, machine is defective - Inspection possible

Tahun pembuatan: 2007, Kondisi: siap digunakan (bekas), jumlah sumbu: 3, Robot EROWA Easy Automation 3-sumbu ini diproduksi pada tahun 2007. Mesin ini memiliki kapasitas transfer standar maksimum 250 kg dan sumbu ringan dengan kapasitas maksimal 40 kg. Jalur transfer dapat diperpanjang hingga 2500 mm untuk memenuhi berbagai kebutuhan otomasi. Jika Anda mencari solusi otomasi berkualitas tinggi, pertimbangkan sistem EROWA Robot Easy Automation yang kami tawarkan untuk dijual. Hubungi kami untuk informasi lebih lanjut. • Kapasitas transfer: Standar maks. 250 kg; sumbu ringan maks. 40 kg • Sumbu/jarak transfer: 1600 mm (opsional 2500 mm) Nsdpsyudx Sofx Abwjwh • Elektronik: Pengenalan palet otomatis (EWIS) – Ya; Antarmuka dengan sistem kontrol proses – Ya • Kompatibilitas palet: Menangani palet hingga UPC 300

Kondisi: belum diuji (bekas), Tahun pembuatan: 2019, Fungsionalitas: belum diuji, nomor mesin/kendaraan: 10387A, tegangan masuk: 400 V, jenis arus masuk: AC (pendingin udara), Baru saja diperoleh melalui pembelian di lokasi. Mesin pengemas buah otomatis dengan robot. Menggunakan tiga lengan robot Staubli TS60. Lihat gambar untuk detailnya. Pembeli harus mengatur pengambilan. Mesin saat ini belum terhubung ke fasilitas. Nedoxcndgepfx Abwswh

Kondisi: sangat baik (bekas), Number of pallets: 10 Load capacity: 40 kg Nodpfx Abowhlgrewewh Working area: 1260 x 70 mm Various accessories MARCELS MASCHINEN AG

Kondisi: sangat baik (bekas), Here we offer you a TOX self-pierce riveting system. TOX Self-Pierce Riveting System Type TZ-VSN The self-pierce rivet initially penetrates all joining partners and pushes the punched slug out of the joint area. With this innovative self-pierce riveting technology, TOX PRESSOTECHNIK, the specialist for sheet metal connections, expands its product and service portfolio with a pioneering joining process. Self-pierce riveting provides an additional mechanical sheet metal connection, which is of great importance for lightweight constructions and for joining hybrid parts and assemblies. The rivet feed systems, tongs, and tool holders are universally designed so that self-pierce rivets with diameters of 4.0 mm and lengths between 3.3 and 8.1 mm, as well as self-pierce rivets with diameters of 5.0 mm and lengths between 3.9 and 9.0 mm, can be flexibly processed with either TOX hand tongs or TOX robotic tongs. Type: TZ-VSN Pressing force: 55 kN Nodpfx Abozdn S Tjwjwh Total stroke: 140 mm Rivet type: diameter 5 x 4.6 mm Electrical specifications: • Power: 3.4 kW • Mains supply: 400/15/50-60 V/A/Hz • Speed: 200 mm/s • Network type: 3P+N+PE • Control voltage: 24 V DC • Pre-fuse: 25 A Type: TZ-VSN Condition: used Scope of delivery: (See picture) (Specifications and technical details are subject to change and correction!) If you have further questions, we are happy to answer them by phone. Written orders are possible via email or fax.

Kondisi: siap digunakan (bekas), Tahun pembuatan: 2005, jarak pergerakan sumbu X: 700 mm, jarak lintasan sumbu Y: 420 mm, jarak gerak sumbu Z: 610 mm, produsen pengendali: HEIDENHAIN, model controller: iTNC 530, kecepatan spindel (maks.): 35.000 rpm, jumlah sumbu: 5, 5-axis FEHLMANN PICOMAX 90-HSC + Otomasi Erowa ini diproduksi pada tahun 2005. Mesin ini memiliki ukuran meja 920x380 mm, kecepatan spindle mengesankan hingga 35.000 rpm, dan kontrol Heidenhain TNC 530. Jika Anda mencari solusi pemesinan berkualitas tinggi, pertimbangkan FEHLMANN PICOMAX 90-HSC + Erowa Automation yang kami tawarkan untuk dijual. Hubungi kami untuk detail lebih lanjut. Spesifikasi Teknis: Nwodpjyizugofx Abweh Ukuran Taper HSK 50

Kondisi: bekas, 2-axis extraction robot, inserter, servo robot, workpiece gripper, loading robot, parts removal robot, extraction device, handling unit for presses, lathes, etc. GETECHA Type GL-20S Serial No. 13836 Year of manufacture: 10/2003 Nwodpfx Asharwysbwoh Travel distance Z-axis: 1900 mm Travel distance Y-axis: 250 mm Max. travel speed Z-axis: 1100 mm/sec Max. travel speed Y-axis: 227 mm/sec Infinitely variable travel speed on Y and Z axes via SMB servomotors - Precise axis movement via linear guides - epis control system - Separate operator panel - Control outputs for conveyor belt, gripper magnets, ejector cylinders, vacuum, gripper - External monitoring inputs for emergency stop, press open, press closed, safety doors closed, automatic mode - Mounted gripper with 3 lifting magnets, 3 pneumatic ejector cylinders (30 mm stroke), 1 pneumatic clamping cylinder (40 mm stroke) - Operating hours: 25,998 hrs The unit was used as a loading/unloading system on a press. Required space (L x W x H): 2900 x 1800 x 2000 mm Weight: approx. 800 kg Good condition

Tahun pembuatan: 2013, Kondisi: sangat baik (bekas), For sale is a Yaskawa MH50 automation robot complete with control cabinet and DX100 controller. The system was built by Krauss Maffei and used on a Netstal injection molding machine for parts sorting. Manuals for the DX100 controller as well as operating and maintenance manuals for the MH50 (digital) are available. Technical data MH50: Model: YASKAWA-MH50 Operating hours: approx. 14,000 Year of manufacture: 2013 Mounting: Floor-mounted Number of axes: 6 Payload: 50 kg Repeatability: ±0.07 mm Working range S-axis (rotation): ±180° L-axis (lower arm): +135°, -90° U-axis (upper arm): +251°, -170° R-axis (wrist roll): ±360° B-axis (wrist bend/swing): +125° T-axis (wrist twist): ±360° Maximum speed S-axis: 3.14 rad/s, 180 °/s L-axis: 3.11 rad/s, 178 °/s U-axis: 3.11 rad/s, 178 °/s R-axis: 4.36 rad/s, 250 °/s B-axis: 4.36 rad/s, 250 °/s T-axis: 6.28 rad/s, 360 °/s Permissible moment R-axis: 216 Nm B-axis: 216 Nm T-axis: 147 Nm Permissible inertia (GD2/4) R-axis: 28 kgm2 B-axis: 28 kgm2 T-axis: 11 kgm2 Weight: approx. 550 kg Dimensions: see images Transport and loading can be organized Europe-wide at extra cost on request. Prices are subject to VAT. Appointments for inspection are available upon request. Please contact us – our team will be happy to help you. Nwodsn E Nhpspfx Abwjh Trade-ins or exchanges possible! Machinery Purchase / Sales PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES & MORE. Are you looking for a high-quality but affordable metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website.

Kondisi: baik (bekas), Tahun pembuatan: 2000, Fungsionalitas: berfungsi sepenuhnya, berat keseluruhan: 49 kg, kapasitas angkut: 8 kg, jangkauan lengan: 500 mm, produsen pengendali: Bosch, model controller: Rho 4.1, For sale: 2 robotic systems by Rexroth in good condition, available individually or as a package. Technical data: - Stand height: 500 mm - Stroke*Quill: 200*25 mm - Device connection: continuous - User interface: standard - Pneumatic pressure: max. 8 bar - Load capacity: max. 8 kg - Weight: 48.5 kg Controller included Teach pendant not included Transport can be organized Europe-wide for an additional fee upon request. Prices plus VAT. Inspection possible by appointment. Contact us—our team will be happy to assist you. Trade-in or exchange possible! Machinery purchase & sales Nwedpfx Aberrvhgswjh PURCHASE / SALE OF PRODUCTION AND METALWORKING MACHINERY AND MORE. Are you looking for a high-quality yet affordable metalworking machine for your production? Or do you want to sell yours? For further information or to get in touch, please visit our website.

Kondisi: baik (bekas), Tahun pembuatan: 2000, FANUC LR Mate 200i Automation Robot + R-J2 Controller + Handheld The FANUC LR Mate 200i is a compact six-axis robot that is ideal for a wide range of manufacturing and system processes. The tabletop design of the LR Mate 200 allows use in a variety of commercial and industrial applications while saving floor space. The LR Mate 200i provides maximum flexibility with a compact footprint. The hollow joint construction of the LR Mate 200i houses all cable routing to prevent snagging, and absolute serial encoders eliminate the need for calibration at start-up. Upright or inverted mounting positions are possible without changes to the robot. The LR Mate 200i uses the RJ3 controller. The FANUC LR Mate 200i features a wrist-integrated end effector interface, fail-safe brakes on axes 2 and 3, sealed bearings and drives, as well as a standard dust and liquid intrusion package according to IP54. It also has an integrated, internally mounted solenoid valve package. Additionally, the 200i can achieve axis speeds of up to 480 degrees per second. Areas of application: Assembly, material handling, material removal, part transfer Robot specifications Axes: 6 Payload: 3.00 kg Horizontal reach: 700.00 mm Repeatability: ± 0.0400 mm Robot mass: 39.00 kg Structure: Articulated Year of manufacture: 2000 Robot movement speeds J1 180°/s (3.14 rad/s) J2 180°/s (3.14 rad/s) J3 225°/s (3.93 rad/s) Nodpfewbqvfex Abwewh J4 400°/s (6.98 rad/s) J5 330°/s (5.76 rad/s) J6 480°/s (8.38 rad/s) Robot movement range J1 ± 160° J2 +150° - 35° J3 +165° - 150° J4 ± 190° J5 ± 120° J6 ± 360° Item condition: Used Financing is also available through our partner bank. komplett-konzept.leasingo.de Find more products - new and used - in our shop! International shipping costs on request!

Kondisi: sangat baik (bekas), Tahun pembuatan: 2018, Very well-maintained Quinto 603. Several units of this type are available. Njdpfx Abjw Exytjwswh

Kondisi: sangat baik (bekas), EasyRobotics ProFeeder Compact – 6 hyllyn versio EasyRobotics ProFeeder Compact on monipuolinen ja tilaa säästävä automaatioratkaisu CNC-koneiden pallettien käsittelyyn sekä pienten ja keskisuurten sarjojen tuotantoon. Tämä 6-hyllyinen malli tarjoaa lisää kapasiteettia, mikä tekee siitä ihanteellisen pidempiin miehittämättömiin jaksoihin ja tuottavuuden parantamiseen. ✅ 6 hyllyä maksimaaliseen kappalevarastointiin – pidentää CNC-koneen itsenäistä käyntiaikaa ✅ Kompakti koko – vain noin 1165 × 400 × 600 mm, mahtuu helposti ahtaisiin tiloihin ✅ Joustava robotti-integraatio – yhteensopiva useimpien yhteistyörobottien (cobot) kanssa Nsdpfx Aew Tunusbwjwh ✅ Turvallinen hyllyjen lukitus – saatavana mekaanisella tai pneumaattisella lukitusjärjestelmällä ✅ Sisäänrakennettu ohjainkaappi – ei tarvetta erilliselle jalustalle ✅ Nopeat vaihdot – hyllyt voidaan vaihtaa nopeasti uusiin sarjoihin Jopa 6 hyllyllä, jokaisella kapasiteettia 60–120 kg, ProFeeder Compact mahdollistaa vakaan ja keskeytymättömän koneen käytön. Se on erinomainen valinta valmistajille, jotka haluavat tehostaa tuotantoa, vähentää seisokkiaikaa ja ottaa askeleen kohti älytehtaan automaatiota.

Kondisi: sangat baik (bekas), Tahun pembuatan: 2015, Fungsionalitas: berfungsi sepenuhnya, Dijual Automation dari Zeroclamp Zerobot 100P. Beroperasi sejak 2015. (Sangat cocok untuk Haas UMC 750, tetapi juga dapat digunakan pada tipe mesin lain) Otomatisasi ini memungkinkan penanganan ragum atau penanganan material mentah. Fleksibilitas penuh dalam desain. Penyimpanan benda kerja yang besar untuk banyak material mentah (dapat dikonfigurasi bebas). Hemat ruang. Perlengkapan: Nwsdpfoyk D Dysx Abwoh * Beragam plat penahan untuk penanganan material mentah * Gripper untuk material mentah * Rak kedua untuk meningkatkan kapasitas komponen * dan lainnya. Sistem ini memungkinkan penanganan material mentah maupun alat penjepit. Tersedia banyak kemungkinan aplikasi, kami siap memberikan konsultasi.

Tahun pembuatan: 2001, Kondisi: baik (bekas), Fungsionalitas: berfungsi sepenuhnya, Machine extensively refurbished to a value of EUR 18,000 Nwodpfsn Arnxjx Abwsh Optional Configuration QCRI 54/8: available, see pictures Pick-and-place automation: available, see video Pressure flushing: 1x through workpiece, 1x through electrode, 2x lateral Suction flushing: 1x through workpiece Central lubrication system, automatically controlled via NC on all axes TECHNICAL DETAILS Travel (X, Y, Z): 350, 250, 300 mm Max manual feed speed: 900 mm/min Electrode weight: max. 20 kg Workpiece weight: max. 40 kg Magazine configuration: 54/8 Electrodes: 54 pieces Electrode dimensions: 70 x 70 x 200 mm Plates: 8 pieces Workpiece dimensions: (4x) 320 x 320 x 270 mm, (4x) 320 x 320 x 170 mm Working table: 500 x 400 mm T-slots: 3 x 12 mm Slot spacing: 125 mm Available clamping systems: Erowa, System 3R Macro, Megatool, GPS 70 MACHINE DETAILS Dimensions (H x L x W): 2400 x 1900 x 1690 mm

Kondisi: hampir baru (bekas), Tahun pembuatan: 2026, jam operasional: 12 h, Fungsionalitas: berfungsi sepenuhnya, nomor mesin/kendaraan: EQWCR/SR, jangkauan lengan: 1.434 mm, jenis arus masuk: AC (pendingin udara), berat keseluruhan: 12 kg, tegangan masuk: 48 V, de Nwodpfjvl Ewmsx Abwjh

Kondisi: sangat baik (bekas), Here we offer you a TOX self-pierce riveting system. TOX Self-Pierce Riveting System Type TZ-VSN The self-pierce rivet initially penetrates all joining partners and pushes the punched slug out of the joint area. With this innovative self-pierce riveting technology, TOX PRESSOTECHNIK, the specialist for sheet metal connections, expands its product and service portfolio with a pioneering joining process. Self-pierce riveting provides an additional mechanical sheet metal connection, which is of great importance for lightweight constructions and for joining hybrid parts and assemblies. The rivet feed systems, tongs, and tool holders are universally designed so that self-pierce rivets with diameters of 4.0 mm and lengths between 3.3 and 8.1 mm, as well as self-pierce rivets with diameters of 5.0 mm and lengths between 3.9 and 9.0 mm, can be flexibly processed with either TOX hand tongs or TOX robotic tongs. Type: TZ-VSN Pressing force: 55 kN Total stroke: 140 mm Rivet type: diameter 5 x 4.6 mm Electrical specifications: • Power: 3.4 kW • Mains supply: 400/15/50-60 V/A/Hz • Speed: 200 mm/s • Network type: 3P+N+PE • Control voltage: 24 V DC • Pre-fuse: 25 A Type: TZ-VSN Condition: used Nwjdpfx Abozdtffowjh Scope of delivery: (See picture) (Specifications and technical details are subject to change and correction!) If you have further questions, we are happy to answer them by phone. Written orders are possible via email or fax.

Kondisi: sangat baik (bekas), Tahun pembuatan: 2011, Sistem pembersihan sandblasting ganda Rösler sepenuhnya otomatis, diotomatisasi oleh robot industri, ruang pembersihan masing-masing dengan 2 blower, masing-masing dengan 2 kotak pemuatan-pembongkaran, tahun produksi 2011, termasuk separator basah. Nwsdpszb Dqhefx Abwsh

Kondisi: bekas, Tahun pembuatan: 2006, de-10882 . 2006 SCS 'Easy Trim' Vorderbeschnitt-Einrichtung. Zum vorderen (Vorderschnitt) Beschnitt von klebegebundenen und fadengehefteten Broschuren ohne Klappen. Nwodpfx Ajvtcviobwoh Kann inline oder offline integriert und entweder vor oder nach dem Dreimesserautomaten (4. Schnitt) eingesetzt werden; bei Nichtgebrauch kann die Einheit einfach als Förderband genutzt werden. Sehr schneller Formatwechsel in ca. 3 Minuten durch einfache Eingabe der Buchparameter. Der Vorderschnitt erfolgt mit einem Stahlmesser auf einer Kunststoffschneidleiste. Motorischer Auslagetisch. Mit nur einem Knopfdruck wird die Einheit in ein normales Förderband umgewandelt – dadurch ist keine Umleitung oder ein zusätzliches Förderband erforderlich. Technische Daten: Buchrückenlänge, Max: 540 mm, Min: 120 mm Buchbreite (beschnitten): Max: 350 mm, Min: 100 mm Buchdicke: Max: 60 mm, Min: 5 mm Beschnittbreite: Max: 45 mm, Min: 5 mm Mechanische Leistung: Max: 4.000 Takte/Std. Druckluftbedarf: 100 l/min bei 6 bar.

Kondisi: hampir baru (bekas), Tahun pembuatan: 2024, Fungsionalitas: berfungsi sepenuhnya, lebar total: 6.000 mm, tinggi total: 6.000 mm, panjang total: 1.000 mm, lebar dalam: 6.000 mm, panjang dalam: 8.000 mm, tinggi dalam: 3.200 mm, Perlengkapan: dokumentasi / manual, kabin, kompresor, pencahayaan, pl-hu-001 Nwedpjx Rzlcefx Abwoh

Kondisi: bekas, Complete, fully automatic RATTUNDE ACS100/2 cut-off line integrating: · Cutting, · Brush deburring, · Facing / chamfering, · 100% length control, · Automated robotic packaging with double discharge system, · and an extensive set of tooling. Designed for high-precision single or double cutting. One of the fastest tube cutting machines on the market. TECHNICAL DATA Cutting diameter: 10 - 100 mm Input length: 12,000 mm Cut length: 25* - 2,000 mm (*25 - 150 mm with special tooling) Capacity: Up to 1,500 pieces/hour SCOPE OF SUPPLY 1. BM 8 bundle loader, lightweight construction 2. ACS 100/2 cutting production system with piece counter 3. BDM brush deburring machine 4. CFM chamfering machine 5. Pi length control device 6. SRT automatic stacking robot Nsdpsyz Rvxefx Abwewh 7. Safety fence with light curtain 8. SCB step conveyor for workpiece transfer 9. Conveyor for test tubes 10. Complete tooling kit 11. Electrical cabinet and control system for the entire line Capacity: Up to 1,500 pieces/hour Cutting diameter: 10 - 100 mm Input length: 12,000 mm Cut length: 25 - 2,000 mm (25 - 150 mm with special tooling) Wall thickness: From 0.5 mm up to solid

Kondisi: baru, EN-001 Nwodsdhi Uxopfx Abweh

Kondisi: bekas, Fungsionalitas: berfungsi sepenuhnya, Microm HMS 740 Automatischer Färbeautomat. Hauptmerkmale: - Automatisierte Dokumentation aller relevanten Färbeparameter - Einzigartiges Deckel-Management schützt Reagenzien vor Oxidation und Verdunstung - Tropfvermeidungssystem für minimale Übertragung Njdpfx Aboupwbuowswh - Abluftsystem in Kombination mit Deckeln für reduzierte Schadstoffbelastung - Permanente, unabhängige Durchmischung für gleichbleibende Ergebnisse Technische Daten: - 42 Stationen insgesamt, davon bis zu 34 Reagenzienstationen - Touchscreen-Bedienfeld - 4 Heizstationen (Raumtemperatur bis 70°C) - 4 Spülstationen - Behältervolumen: 480 ml - 30 Objektträger pro Korbträger - Max. 50 Protokolle mit jeweils 100 Schritten Abmessungen: 1160mm x 715mm x 685mm Stellfläche: 1085 x 595mm Gewicht: ca. 98 kg Guter, funktionsfähiger Zustand. Bitte beachten Sie auch unsere weiteren Angebote.

Kondisi: hampir baru (bekas), Tahun pembuatan: 2016, jam operasional: 20 h, Fungsionalitas: berfungsi sepenuhnya, Die Maschine ist nicht mehr im Einsatz und steht daher zum Verkauf. Sie hat 20 Betriebsstunden im Schweißbetrieb und war insgesamt 596 Stunden eingeschaltet. Die Maschine ist wie neu, wie auf den Fotos zu sehen ist. Der Standort der Maschine ist KFK, Kroatien, und sie kann dort besichtigt werden. Für weitere Informationen und Preisanfragen kontaktieren Sie uns bitte. Nwodpewwt S Usfx Abwsh

Kondisi: siap digunakan (bekas), Tahun pembuatan: 2025, kapasitas angkut: 25 kg, jangkauan lengan: 1.500 mm, lebar total: 900 mm, tinggi total: 918 mm, panjang produk (maks.): 800 mm, jumlah sumbu: 6, This 6-axis EASYROBOTICS ProFeeder was manufactured in 2025. It features a modular robotic cell system designed for small to medium batch production, with a plate size of 900 × 800 mm. This collaborative robot is compatible with a variety of cobots and is ideally suited for applications such as CNC machine tending, pick-and-place, assembly automation, and parts handling. If you are looking for high-quality automation solutions, consider the EASYROBOTICS ProFeeder machine we have for sale. Contact us for further details. • Top plate size: 900 × 800 mm Nsdpfjyzqvfsx Abwewh • Compatibility: Collaborative robots (Universal Robots, Doosan, Hanwha, and similar cobots) • Applications: CNC machine tending; pick-and-place; assembly automation; parts handling • Integrated features: robot mounting interface; controller holder; programming pendant holder; cable management system • Design: plug-and-play robot integration; suitable for small to medium batch production Additional equipment • Optional/compatible (not included): collaborative robots (UR, Doosan, Hanwha, similar cobots)

Kondisi: hampir baru (bekas), Fungsionalitas: berfungsi sepenuhnya, Tahun pembuatan: 2026, jam operasional: 8 h, nomor mesin/kendaraan: 2026BD25, Sudut pembengkokan (maks.): 190 °, berat keseluruhan: 1.000 kg, panjang total: 1.800 mm, lebar total: 850 mm, tinggi total: 1.230 mm, daya: 8 kW (10,88 hp), tegangan masuk: 380 V, jenis arus masuk: AC (pendingin udara), masa garansi: 12 bulan, tinggi kabinet kontrol: 1.200 mm, de Nwodsyak E Nepfx Abwoh