Beli Glasbeek Finish Brennofen Härteofen Ofen bekas (3.632)

Kondisi: seperti baru (mesin pameran), Tahun pembuatan: 2024, Fungsionalitas: berfungsi sepenuhnya, Used vibratory finishing machine by PERS, model Vibra-Line B 150 l with buffer tank, combined with PERS dryer Vibra-Dry A 200 l – both demo machines – installed on a platform Technical data / Vibra-Line B 150 l: U-shaped work bowl with automatic unloading Gross capacity: 150 l Usable volume (depending on workpiece geometry and material): 80 l Year of manufacture: 2024 External diameter: 1,170 mm Height: 860 mm Bowl lining: 22 mm, yellow or brown PU Total weight (empty): 320 kg Drive power: 2.2 kW Electrical connection: 3 x 400 V, 16 amps CEE Machine color: RAL 7015/7035 Control cabinet with touch panel and frequency inverter Buffer tank – 90 l: The compound (soapy water) flows through the filter basket into the buffer tank, from where a submersible pump circulates the water back to the vibratory tumbler. Buffer tank dimensions (LxWxH): 700 x 400 x 460 mm Supplied with 1 submersible pump and 1 filter basket (630 µm) Technical data / Vibra-Dry A 200 l: Corn/grain dryer with automatic unloading – vibratory dryer Year of manufacture: 2024 Volume: 220 l Motor power: 1.5 kW Heating: 3 kW per element (PTI temperature control) Workpiece capacity: up to 65 kg Corn capacity: 25–35 kg Speed: 1,400 rpm Thermal output: 6 x 1.5 kW Length: 1,141 mm Width: 1,200 mm Height: 905 mm Internal bowl dimension: 240 mm Electrical connection: 3 x 400 V, 16 amps CEE Machine color: RAL 7015/7035 Hedpsy A N U Asfx Abyon Corn granulate temperature: +30 to +50 °C Digital temperature control Pneumatically operated discharge valve Commissioning requires 25 kg of corn kernels, type GM 16 or GM 20

Kondisi: baru, Tahun pembuatan: 2025, de Hjdpfxeh Nnbco Abyon

Kondisi: baru, Tahun pembuatan: 2026, Max. passage width: 1330 mm Processable sheet thickness: 0.5 - 80 mm Infinitely variable feed rate: 0.5 - 6 m/min Abrasive belt dimensions: 1910 x 1350 mm Brush element dimensions: 300 x 400 mm Hsdox S Dwqjpfx Abyon Abrasive belt speed: 18 m/s Number of planetary heads with brushes: 8 pcs Material thickness adjustment accuracy: 0.01 mm Length: 4200 mm Width: 2300 mm Height: 2400 mm Machine weight: 6500 kg Total connected load: 68 kW Standard Equipment Machine configuration: 3-station version: 1st station: abrasive belt 2nd station: brush elements 3rd station: abrasive belt Main components: PLC: Siemens Touchscreen: Siemens Low voltage devices: Schneider Frequency inverter: Schneider Extraction fan: Elektror, Germany Total connected power: Abrasive belt motor: 15 kW Brush motor: 11 kW Infeed belt motor: 4 kW Vacuum extraction motor: 15 kW Frequency inverter for rotary brushes: 15 kW Machine with wet dust extractor Additional Equipment Optional feeding modes: 1. Feeding with powerful permanent magnet conveyor (suitable for workpieces made of ferrous materials. Workpiece size ≥ 30 mm × 30 mm) 2. Feeding with vacuum underpressure conveyor (suitable for stainless steel plates, copper plates, aluminum plates, etc. that cannot be handled magnetically. Workpiece size ≥ 50 mm × 50 mm)

Kondisi: baik (bekas), berat keseluruhan: 160 kg, The BookMaster brochure maker and TrimMaster front trimmer combine maximum performance with cost efficiency. They are easy to operate and require minimal maintenance, making them by far the most advanced, user-friendly, and reliable saddle stitch booklet makers on the market. The BookMaster features a unique stitching mechanism that ensures virtually maintenance-free operation. The main wear parts are integrated in the staple cartridge and are replaced every 5,000 cycles when the cartridge is changed, allowing for over a million cycles before any stapler head maintenance is required. The BookMaster is equipped with a manual setup for adjusting page margins, end offset, and staple/fold position. Hedpfx Aoy Idr Hebyjn The TrimMaster trimming unit has a single, self-sharpening blade made of hardened steel for a clean cut of the book front edge. All trimmings are conveyed to an external waste container outside the machine, allowing for continuous operation. The finished brochures are transported onto a high-performance delivery belt. Additional information: - Max sheet size: 482 x 320 mm - Min sheet size: 210 x 140 mm - Max brochure thickness: 22 sheets - Max cut length: 25 mm - 230 volts Shipping available, collection possible, test run available. Operating manual also included.

Kondisi: siap digunakan (bekas), Instalasi semprotan basah Graf, cocok untuk finishing alat full carbide. Hjdpfxjy Ibvpo Abyjn

Kondisi: bekas, Tahun pembuatan: 2023, model controller: , de-maschine-001 Hjdpfxoyz Hr Nj Abyon

Kondisi: siap digunakan (bekas), Tahun pembuatan: 1996, de-to-hu-it-lt-lv-nb-nl-pl Hodpfxoy Hvp Uo Abysn

Kondisi: sangat baik (bekas), Tahun pembuatan: 2010, Fungsionalitas: berfungsi sepenuhnya, Digicon Serie 2, Baujahr 2010 Spezifikationen: • Bahnbreite: 330 mm • Flexo-Lackierwerk: 1 Einheit • Rotationsstanze: Ausgestattet mit K+B GapMaster-System Hsdpjyl Alfefx Abyen • Max. Abroll-Ø: 700 mm • Laufgeschwindigkeit: Bis zu 36 Meter pro Minute bei 300 mm Rapportlänge • Flexodruckzylindergrößen: • Minimum: 10 Zoll (254 mm) • Maximum: 24 Zoll (609 mm) • Max. Aufwickel-Ø (1-Spindel): 600 mm - Rotierende und Flachmesserspaltung

Kondisi: baru, The ML100 tube grinding machine is the ideal choice for surface grinding and polishing of round, oval, and elliptical tubes – suitable for both straight and curved tubes. The planetary belt system of the ML100 allows for belt grinding without the need for tube rotation, ensuring optimal results. The feed system safely guides straight tubes into the grinding station to ensure consistent and productive surface quality. Minimal vibration with long tubes: Thanks to the ML planetary belt system, the tube does not rotate. The abrasive belts revolve around the tube as it is transported in a straight line. Polishing of straight or curved tubes: The ML100 is designed for finishing straight tubes (automatic feed) as well as curved tubes (manual feed). Hodpfx Ajd Hfnbsbysn Quick adjustment: The automatic feed can be easily detached via hinges to enable the processing of bent tubes. Reduced heat generation: Unlike conventional systems, the planetary belt system significantly reduces friction heat on the tube surface. Oval tubes: Surfaces of oval or elliptical tubes can be safely processed with the ML100. Maximum adaptability of the abrasive belt to holes or gaps in the tube. Technical Data – ML100: Working capacity (Ø mm) 10 - 114 Number of stations 1 Abrasive belt dimensions (mm) (2x) 50 x 940 Belt speed (m/s) 3 - 22 Feed speed (m/min) 1 - 5 Abrasive belts motor (kW) 3 Drive wheel motor (kW) 1.5 Feed motor (kW) (2x) 0.12 Total power (kW) 5 Power consumption (A) 11 Dust extraction port (Ø mm) 80 Dimensions (mm) 750 x 1000 x 1300 Weight (kg) 250

Kondisi: baru, en_Eurotec Innovation RT27 – Rotary Dryer / Drying System (Made in Germany) Machine Type: Rotary Dryer Manufacturer: Eurotec Innovation GmbH Model: RT27 The RT27 rotary dryer from Eurotec Innovation is a powerful and efficient solution for component drying after vibratory finishing. Utilizing drying granulate and direct heating, workpieces are dried quickly, gently, and without stains. This system enables not only drying but also simultaneous repolishing of components—for optimal surface quality in a single process step. 🔧 Technical Data: Gross volume: approx. 270 liters Usable volume: approx. 140 liters Drive power: approx. 1.6 kW Heating power: max. 4 kW Connection: 400V – 16A – 50 Hz Advantages: ✔ Fast and economical component drying ✔ Spot-free surfaces after vibratory finishing ✔ Drying and polishing in one operation ✔ Integrated screening section for automatic workpiece separation ✔ Switchable between batch and continuous operation ✔ Spiral rising container floor for gentle processing ✔ Expandable with extraction, noise protection, and automation 🏭 Areas of Application: Component drying directly after vibratory finishing Polishing and post-processing Reduction of stains and water spots Protection against flash rust through complete drying Processing of complex geometries The RT27 is the ideal complement to vibratory finishing systems and ensures an efficient, safe, and reproducible drying process—perfect for industrial applications. Other variants and special designs available on request. From development to production, we supply all products from a single source—everything "Made in Germany." ----- Please feel free to contact us. We are happy to provide non-binding advice. ----- The European Commission provides a platform for out-of-court online dispute resolution (OS platform). Hjdof Sqfbepfx Abyon This offer serves exclusively as an online presentation of our goods. Contract negotiations are conducted via telecommunication (email, fax, telephone, messaging portal), during which we will first provide you with a non-binding offer that also informs you of our general terms and conditions and right of withdrawal with imprint before a purchase/contract is concluded.

Kondisi: baru, Tahun pembuatan: 2026, Fungsionalitas: berfungsi sepenuhnya, panjang total: 3.636 mm, lebar total: 2.300 mm, berat benda kerja (maks.): 200 kg, daya: 2,2 kW (2,99 hp), suhu: 220 °C, kapasitas pemanasan: 39 kW (53,03 hp), panjang dalam: 3.225 mm, lebar dalam: 1.400 mm, tinggi dalam: 2.000 mm, tinggi benda kerja (maks.): 1.600 mm, panjang benda kerja (maks.): 3.000 mm, laju aliran volumetrik: 4,5 m³/jam, bahan bakar: listrik, bahan isolasi: Steinwolle 75 kg/m³, ketebalan isolasi: 150 mm, lebar benda kerja (maks.): 1.200 mm, Powder Coating Booth Open Spray Stand Dimensions of the Powder Stand Width 2,000 mm Depth 2,100 mm Height 2,200 mm Fan 1 pc. 6,000 m³/h Power 3 kW (electric motor) Filter 4 pcs. Cartridge filter type (each ⌀325 x 600 [mm]) Electromagnetic Valves 2 pcs. 1” “Turbo” Italy Absolute Filter 1 pc. Bag filter type Powder Gun Wagner “Prima Sprint” Mains Supply Standard 230 VAC Frequency 50 – 60 Hz Input Air Pressure 6–8 bar Output Air Flow 0.05 – 5.5 Nm³/h Powder Curing Oven Internal Dimensions Length 3,225 mm Internal Dimensions Width 1,400 mm Internal Dimensions Height 2,000 mm Insulation Rock wool 150 mm [75 kg/m³] Max. Temperature 220°C Fans 1 pc. 4,500 m³/h Electric Motors 1 pc. 1.5 kW, 1,450 rpm, 3 phase, 50 Hz Thermal Output 39 kW Doors on Both Sides 2 pcs. Manual, insulated with rock wool 150mm 70kg/m³ Heating Indirect via thermoblock, Heating chamber tube heat exchanger Burner* 1 pc. Electric heating Steel Beam for Attachment of Conveyor Technology IPE 80 *Optionally available for gas, oil, or hybrid operation at extra charge Conveyor System Manual Substructure Steel profiles IPE and SQ Curves 9040C 90 degrees, radius 600 mm 4 pcs. Rail System No. 9040 27 m Hjdpfx Asb Dxnwebyjn Trolley Assemblies 9842 GLRHT 16 pcs. Connector Pieces 9041 M 12 pcs. Mounting Clamps 9047/100 16 pcs. Manual Tongue Switch 45 degrees 9401 AIYM 2 pcs. Load Carriers L = 1,000 mm 8 pcs.

Kondisi: baru, Tahun pembuatan: 2026, Fungsionalitas: berfungsi sepenuhnya, suhu: 220 °C, bahan isolasi: Mineralwolle 75 kg/m³, ketebalan isolasi: 150 mm, en-powder-curing-ovens-in-various-sizes 1 Internal Dimensions Length 1500 - 6,500 [mm] 2 Internal Dimensions Width 1700 - 1,900 [mm] 3 Internal Dimensions Height 2,000 [mm] Hjdpfx Aofhv Tlobyen 4 Substructure Steel profile 5 Walls Double-sided galvanized sheets 1mm, RAL color on the outside 6 Insulation Walls, ceiling: mineral wool 150mm, 75kg/m² 7 Floor The oven is equipped with 2 drive-in rails for rack carts (optionally with conveyor technology) 8 Temperature 220°C 9 Fans 1 - 2 pcs. 2,600 - 15,000 [m³/h] 10 Electric Motors 1 - 2 pcs. 1.1 - 6 [kW], 1450 [rpm], 3-phase, 50 [Hz] 11 Thermal Output 14 - 99 [kW] 12 Swing or sliding doors, single or double-sided, 2 - 4 pcs, insulated with 150mm mineral wool, 75kg/m² Heating Indirect via thermoblock 13 Thermoblock Stainless steel INOX AISI 316, heating electric or gas, heat-resistant fans and bearings, thermoblock with overheat protection

Kondisi: baru, Tahun pembuatan: 2026, 1 Hsdpfxofhv Tce Abyjn

Kondisi: baru, en-TV73 Trough Vibrator – Powerful Vibratory Finishing System for Deburring, Polishing & Surface Treatment | Made in Germany Hjdpfx Abjh Ukxloyen Machine Type: Trough Vibrator TV73 Shown: TV73 incl. Acoustic Enclosure Manufacturer: Eurotec Innovation GmbH The TV73 Trough Vibrator from Eurotec Innovation is a powerful all-round solution for industrial surface processing. Its robust construction, high efficiency, and versatile application options make it ideal for a wide range of uses in the metalworking and manufacturing industries. The perfect choice for companies looking to optimize processes and achieve lasting improvements in surface quality. ⚙️ Technical Specifications Machine Type: Trough Vibrator / Vibratory Finishing System Manufacturer: Eurotec Innovation GmbH Model: TV73 Nominal Speed: approx. 1,500 rpm Gross Volume: approx. 470 liters Internal Tank Dimensions: Length: approx. 1,100 mm Width: approx. 680 mm Height: approx. 700 mm Connection: 400V / 16A / 50Hz Your Advantages at a Glance: ✔ Universally applicable for a variety of workpieces and materials ✔ High efficiency thanks to a powerful vibration motor mounted beneath the working tank ✔ Capable of processing large workpieces due to U-shaped work tank ✔ Robust, low-maintenance design for reliable continuous operation ✔ Quick media change & draining via a generously sized drain outlet ✔ Reduced part adhesion due to integrated stripper edge ✔ Rubber-damped feet minimize vibration transmission ✔ Optional acoustic enclosure & upgrades available 🏭 Typical Applications: Deburring, smoothing, and polishing of components Descaling, derusting, and cleaning Edge rounding Surface finishing of a wide range of materials Features & Options: U-shaped work tank for maximum flexibility Vibration motor (mounted directly beneath the tank) Fittings for transport by pallet truck or forklift Quick-change drain screen (polyurethane) Options: Acoustic hood / enclosure Workpiece separation Frequency control / PLC automation Dosing systems & automation The TV Series stands for excellent value for money and the highest quality standards. All systems are engineered and manufactured to the strictest requirements – 100% Made in Germany. The images show the system including optional accessories. ----- We are happy to provide individual advice and a non-binding quotation – just contact us! ----- The European Commission provides a platform for online dispute resolution (ODR). This offer serves solely as an online presentation of our products. Contract negotiations take place via telecommunications (email, fax, telephone, messaging portal). We will first provide you with a non-binding offer that includes our General Terms and Conditions, revocation rights, and legal notice before any purchase or contract is finalized.

Kondisi: siap digunakan (bekas), 2bfef1ae Hodpfxoy E S Evj Abyjn

Kondisi: diremajakan ulang (bekas), Tahun pembuatan: 2021, jam operasional: 850 h, Fungsionalitas: berfungsi sepenuhnya, Selain mesin yang disebutkan dan ditampilkan, kami juga memiliki banyak mesin dan aksesori lainnya (sistem sandblasting, konveyor, dan mesin kecil) yang tersedia dari stok. Mesin dapat dibeli atau disewa. Silakan hubungi kami untuk konsultasi (gratis) mengenai vibratory finishing, drum & sandblasting technology. Hodpjwfdbcofx Abysn

Kondisi: baik (bekas), Tahun pembuatan: 1991, Shaker with triangular special stones Hjdpfx Aon I Rqcobyjn

Kondisi: bekas, temperatur-max-innenlaenge-ofen Hjdpfx Aboytx Rmeyon

Kondisi: bekas, Tahun pembuatan: 2009, Fungsionalitas: berfungsi sepenuhnya, lebar total: 4.300 mm, panjang total: 3.700 mm, tinggi total: 3.000 mm, Beschreibung Zum Verkauf steht ein Tonello Laser Blaze 250, ein industrielles Laser-Finishing-System, das als vollständige, geschlossene Arbeitsstation angeboten wird. Dieses Hochleistungssystem ist speziell für das laserbasierte Veredeln von Bekleidung konzipiert und ermöglicht präzise, reproduzierbare Effekte wie Denim-Ausbleichungen, „Whiskering“, Gravuren sowie dekorative Oberflächenbehandlungen. Die Laser Blaze Serie von Tonello S.r.l. ist in der industriellen Denim-Produktion weit anerkannt und bietet eine moderne, nachhaltige Alternative zu herkömmlichen manuellen Verfahren. Das System verwendet eine Rofin CO₂ Laserquelle, die für ihre Präzision, Stabilität und Zuverlässigkeit im Dauerbetrieb bekannt ist. Diese Einheit ersetzt arbeitsintensive Finishing-Methoden wie Handschleifen, Sandstrahlen und chemisches Sprühen und verbessert so deutlich die Konsistenz, Effizienz und Umweltbilanz der Produktion. Die Maschine wurde in einer professionellen Bekleidungsfabrik eingesetzt und im Betrieb getestet – Videodokumentation vorhanden (März 2026). Zuletzt gewartet am 27.02.2026. Lieferumfang • Tonello Laser Blaze 250 geschlossene Laserkabine • Integrierte Laserprozess-Einheit • Computer-Arbeitsplatz mit Steuersystem • Schaltschrank • Kühlaggregat (MTA) • Absaug-/Entlüftungsanschlüsse • Bedienpult mit integriertem Sicherheitssystem Technische Daten • Hersteller: Tonello S.r.l., Italien • Modell: Laser Blaze 250 • Laserquelle: Rofin CO₂ • Baujahr: 2009 • Systemleistung: ca. 30 kW • Spannung: 400V, 3-phasig • Arbeitsbereich: ca. 150 × 150 cm • Anwendung: Denim-Laser-Finishing und Textilveredlung Besondere Merkmale • Hochpräzise CO₂-Lasertechnologie für gleichbleibende Ergebnisse • Fortschrittliche Steuerung über Tonello CREA-Software • Flach- und 3D-Bearbeitung (auf Mannequins) möglich • 360° Effekte ohne Einschränkung auf flache Muster • Doppelstationsbetrieb für höhere Produktivität • Geschlossene Arbeitsstation mit integriertem Sicherheitssystem Technische Möglichkeiten • Denim-Distressing (Whiskers, Chevrons, Trageeffekte) • Lasergravur von Logos, Grafiken und Strukturen • Fotorealistische Oberflächenmuster • Bearbeitung unterschiedlicher Materialien (Denim, Leder, technische Textilien) • Hohe Wiederholgenauigkeit – identische Resultate vom ersten bis zum letzten Teil Nachhaltigkeitsvorteile • Kein Sandstrahlen oder manuelles Schleifen mehr erforderlich • Deutlich reduzierter Wasser- und Chemikalienverbrauch Hodsy Ai Ehjpfx Abyen • Geringerer Energiebedarf im Vergleich zu herkömmlichen Waschprozessen • Verbesserte Arbeitssicherheit und Sauberkeit in der Produktion Zustand Gebrauchter, industrieller Zustand. Die Maschine ist komplett und war bis zur Werksstilllegung funktionsfähig. Getestet und im Betrieb auf Video dokumentiert (05.–06.03.2026). Zuletzt gewartet am 27.02.2026. Übliche Gebrauchsspuren aus dem Produktionsumfeld. Besichtigung vor Demontage möglich. Verkauf erfolgt wie besichtigt, ohne Gewährleistung. Typische Anwendungsbereiche • Denim-Laser-Ausbleichung und „Whiskering“ • Gravieren und Markieren von Textilien • Dekorative Oberflächenveredelung • Ersatz für manuelle Sandstrahlverfahren Standort: Valga, Estland Demontage und Transport: Demontage, Verladung und Transport obliegen dem Käufer. Aufgrund der Größe und Komplexität wird eine fachgerechte Demontage dringend empfohlen.

Kondisi: baru, Tahun pembuatan: 2025, * 250 L net volume * Dosing pump included * Highly wear-resistant polyurethane lining (90 Shore) * High-performance three-phase drive motor * Interchangeable valve for wastewater discharge * Main switch and emergency stop switch Hsdpfsh I N Udjx Abyjn * Timer and operating hours counter * Specially designed control panel (EU standards) included

Kondisi: baru, Tahun pembuatan: 2025, Fungsionalitas: berfungsi sepenuhnya, nomor mesin/kendaraan: 25-1361, panjang total: 775 mm, lebar total: 550 mm, tinggi total: 775 mm, berat keseluruhan: 100 kg, tegangan masuk: 380 V, masa garansi: 24 bulan, daya nominal: 0,34 kW (0,46 hp), daya: 0,35 kW (0,48 hp), panjang benda kerja (maks.): 525 mm, Perlengkapan: Penandaan CE, dokumentasi / manual, henti darurat, Mesin getar tipe palung ZTV 50 * Pelapis P.U. sangat tahan aus (90 Shore) * Motor penggerak arus tiga fasa berperforma tinggi (Merek OLI Italia – 0,34 kW) * Katup yang dapat diganti untuk pembuangan limbah cair * Panel kontrol (Standar UE) termasuk * Sakelar utama dan sakelar darurat * Timer dan penghitung jam kerja * Standar keselamatan CE * Pompa dosing sudah termasuk Hodpfxjwb Hhds Abyen * Mesin dilengkapi tutup isolasi suara dan kabinet mesin berbahan logam - Penutup dikendalikan secara manual - Tutup isolasi suara memberikan pengurangan kebisingan signifikan saat proses finishing berlangsung - Juga mencegah tumpahan air atau cairan finishing dari mesin getar finishing.

Tahun pembuatan: 2004, Kondisi: bekas, 1433204283 Hedpjxwdwlofx Abyjn

Kondisi: bekas, Tahun pembuatan: 1992, Fungsionalitas: fungsi terbatas, Kabin pengecatan dijual sesuai gambar, termasuk jalur crane seperti terlihat pada gambar. Harga dapat dinegosiasikan jika pembongkaran dilakukan sendiri. Hedoy Aldaepfx Abysn

Kondisi: baru, Tahun pembuatan: 2025, Fungsionalitas: berfungsi sepenuhnya, nomor mesin/kendaraan: ZCVS125, lebar total: 870 mm, tinggi total: 950 mm, berat keseluruhan: 185 kg, tegangan masuk: 380 V, masa garansi: 24 bulan, daya nominal: 1,13 kW (1,54 hp), daya: 1,13 kW (1,54 hp), lebar benda kerja (maks.): 150 mm, panjang benda kerja (maks.): 150 mm, ZCVS 125 Circular Vibratory Machine Hsdjh Agr Hjpfx Abyjn • Net volume: 125 litres • Highly wear-resistant polyurethane lining (90 Shore) • Dosing pump included • Replaceable valve for wastewater discharge • Separator available as per requested diameter MOTOR: • High-performance three-phase electric drive motor • 1.1 kW, 1500 rpm (Italian brand OLI) • Maintenance-free motor—no lubrication required CONTROL PANEL: • Main switch and emergency stop button • Operational timer and working hours counter • Control box with selector switch for bi-directional motor operation (left/right) • Compliant with CE safety standards PAINTWORK: • Colours: RAL 5011 & RAL 7036 • Epoxy paint coating for extended paint lifespan

Kondisi: siap digunakan (bekas), WALTHER TROWAL Tipe CA 650 inkl. Sentrifugal - Diameter drum 1600 mm - Lapisan dalam kondisi baik - Kecepatan putar 1450 rpm - Timer - Sentrifugal - Tutup peredam suara - Platform kerja - Daya 11 kW Kesalahan atau kekeliruan dapat terjadi. Hodpfx Abjyz Sitjyon