Kullanılmış Nolzen Sertleştirme Fırını 1150°C satın al (57.284)

Koşul: iyi (kullanılmış), İç Stok No.: 25121 Cgodpfjyxpdcox Achsu Tav Fırını Nolzen WL 20 / 19 / 40 Maksimum Sıcaklık: 1150°C Güç: 8KW Bağlantı: 380V İç Ölçüler: Genişlik 20 / Yükseklik 19 / Derinlik 40cm Dış Ölçüler (UxGxY): 60 x 76 x 84cm Ağırlık: yaklaşık 200Kg

Koşul: ikinci el, Üretim yılı: 2012, Fonksiyonellik: tamamen fonksiyonel, 12 ay garanti, revizyonda, yaklaşık 3 hafta teslim süresi - Cihaz alt şase üzerinde - Maksimum sıcaklık: 1300 °C - Fırın hacmi: 120 litre - Fırın iç ölçüleri: 500 x 500 x 500 mm (G x D x Y) - Kumanda panosu ayrı - Eurotherm 3504 - Sıcak durumda açılabilen paralel salınımlı kapı - Fırın yakasında sağ alt köşede oluk (sonradan CO2 ve N2 gaz beslemesi için; gaz kutusunda, dahil değildir!) - Güç: 15 kW Cgsdpjyn Emqofx Achju - Bağlantı: 400V 3/N/PE 50 Hz - Net ağırlık: 410 kg - Dokümantasyon, CE beyannamesi Fırın, fırınlar, endüstriyel fırın, tav fırını, ısıl işlem fırını, odalı fırın,

Koşul: mükemmel (kullanılmış), Üretim yılı: 2014, Fonksiyonellik: tamamen fonksiyonel, 2014 yılında üretilmiş olup sadece 50 defa kullanılmış ve daha sonra kullanılmasına gerek kalmamıştır. Neredeyse sıfır ayarındadır. Üretici: SCAME FORNI Spa İtalya. Fırın tipi: Azot atmosferinde pişirme yapan MOBİL MUFFLE 80-65-I"40-AZ. -Şarjın kullanılabilir boyutları : 800x650x1400mm -Maksimum çalışma sıcaklığı : 999°C -Maksimum fırın sıcaklığı : 1.000°C Cgedpfx Acsyniz Ejhou -Fırın Düzenleme bölgeleri : 3 tristör -Elektrik voltajı : 3 x 400V 50H2 -Kurulu elektrik gücü : 54 kW -İş yerinde tüketilen güç : 30 kW -Azot N2 basıncı : 5 bar -Yıkama ve güvenlik için azot tüketimi Elektrik yokluğunda 4 + 5 Nmc/h veya 10 dakika boyunca başlangıç ​​ve durdurma sırasında -Çalışma sırasında azot tüketim : tüketim : 3,0 + 3,5 Nm3/h -Su basıncı Minimum : 2 bar -Çalışma sırasında su tüketimi : 20°C giriş ile 0,1 + 0,2 m3/h

Koşul: yeni gibi (kullanılmış), Chanber boyutu: Cjdpfed Sm Disx Achjgu 280x180x500mm üst 280x130x450mm daha düşük Maksimum sıcaklık: 700 C °

Koşul: iyi (kullanılmış), Üretim yılı: 1982, Fırın, ısı fırını, ısı odası, ısı kabini, sertleştirme fırını, tavlama fırını -Üretici: Artur Nolzen, oda tipi kurutma fırını KTS 53/30/70 -Sıcaklık: maks. 1100 °C -Oda boyutu: 710 x 535 x 300 mm -Isıtma gücü: 25 kW Cedpszbrx Hjfx Achogu -Sıcaklık kontrol otomatı -Bireysel bileşenler: fotoğraflara bakınız -Ölçüler: 1630/1530/H1700 mm -Ağırlık: 1698 kg

Koşul: ikinci el, Üretim yılı: 2015, 1 adet sertleştirme fırını RHODE ME65/13 Maks. çalışma sıcaklığı: 1300°C, Güç: 20kW, Akım: 29A Cedpfxey Tkcij Achjgu Renk: görsellerdeki gibi, fotoğraflar ve incelemeye göre Üretim yılı: 2015 Durum: kullanılmış

Koşul: mükemmel (kullanılmış), Maksimum sıcaklık: 1200 derece Açıklık boyutu: 220 x 120 mm Kamer derinliği: 400 mm Alan ihtiyacı: yaklaşık 1,4 x 1,2 x 1,6 m Codpfjxcbldox Achegu Bu sertleştirme fırını iyi durumda olup, hemen temin edilebilir ve satıcıda elektriğe bağlı olarak görülebilir. AÇIKLAMA: Tanım: Wilhelm Alte-Plettenberg Sertleştirme Fırını Tip: SB105-1 Kamera boyutu: 220(G) x 400(D) x 120(Y) mm, tuğla kaplama durumuna göre daha büyük olabilir Bağlantı gücü: 3x25A / 380V Diğerleri: • 3 adet ısıtma devresi, 6 kW • Dijital sıcaklık kontrolü ve zamanlayıcı • Sıcaklık aralığı 1200 dereceye kadar Ölçüler: 1,35(genişlik) x 1,2(derinlik) x 1,6 m(yükseklik)

Koşul: iyi (kullanılmış), Üretim yılı: 1995, Fonksiyonellik: tamamen fonksiyonel, Faydalı Ölçüler : W600*D900*H900 mm Yükleme Kapasitesi : 800 kg/yığın Cgsdpfsvfpfzjx Achju Soğutma Basıncı : 10 bar (abs.) Vakum Seviyesi : 10exp-2 mbar (üretici spes.) Soğutma Gazı : N2

Üretim yılı: 1989, Koşul: ikinci el, Sıcaklık maks. 1000 derece Açılış boyutu 170 x 90 mm Hazne derinliği 280 mm Cgjdpfx Acotqqptohsu Toplam güç gereksinimi 3 kW Makine ağırlığı yaklaşık 80 kg Boyutlar U x G x Y 0,7 x 0,55 x 0,72 m

Koşul: mükemmel (kullanılmış), Üretim yılı: 2020, makine/araç numarası: SN376848, Fonksiyonellik: tamamen fonksiyonel, 12 months warranty, available immediately Codoya D Auopfx Achogu Electrically heated circulating air chamber furnace Nabertherm NA 500/45 -Max. temperature: 450 °C -Internal dimensions (W x D x H): 750 x 1000 x 750 mm -External dimensions (W x D x H): 1400 x 1910 x 1810 mm -Capacity: 500 liters -Nabertherm controller P470 (50 programs with 40 segments each) -Port, e.g. for thermocouples -Alarm indicator light -Pneumatic lift door -Additional shelf insert -Maximum loading weight: 500 kg -Max. per shelf: 125 kg -Power: 18 kW -Weight: 800 kg -Documentation, CE declaration -Electrically tested and supplied with current DGUV test protocol This series can be operated with a gas dosing box (not included). Internal dimensions: 630 x 780 x 610 mm. To do so, a slot must be fitted in the oven door. Inspection in our warehouse possible at any time! All units are electrically tested and delivered with warranty. Furnace, furnaces, industrial furnace, curing oven, warming cabinet, heat oven, laboratory furnace, drying oven, tempering oven, chamber furnace, kiln, hardening furnace, hardening ovens, annealing furnace, annealing ovens, tempering oven.

Koşul: yenilenmiş (kullanılmış), Üretim yılı: 2007, Fonksiyonellik: tamamen fonksiyonel, makine/araç numarası: #20206, completely overhauled, delivery time 3 weeks, with 12-month warranty - Internal dimensions (W x D x H): 1200 x 1950 x 1000 mm - Capacity: 2,300 liters - Tmax: 1280°C - Siemens S7 control, touch panel - 2 hearth cars for convenient changeover - Hearth cars fitted with heavy-duty rollers and tow bar, allowing free movement on the shop floor, completely overhauled - Multi-zone design (3 zones) - Automatic exhaust dampers / intake air fan - Separate control cabinet - All contactors and thyristor controllers replaced with new units - Hearth car equipped with its own (brand new) type S thermocouple - All furnace heating elements replaced with new units - New control cabinet fan and intake air fan - Power rating: 130 kW - Rated current: 190 A - Furnace weight approx. 2,500 kg + each hearth car 1,000 kg - DGUV V3 electrical inspection currently up-to-date, with inspection protocol - Complete documentation, CE declaration, circuit diagrams Installation, commissioning, and operator training for your personnel can be offered upon request. Please contact us for details! We offer new and used industrial furnaces. Viewing at our warehouse is available on request! Csdsyk U Iiepfx Achsgu hearth car furnace, bogie hearth furnace, furnaces, annealing furnace, kiln, hardening furnace, heat treatment furnace, oven, tempering furnace, curing furnace, drying oven, industrial furnace, melting furnace, ceramic kiln, tempering furnace, sintering furnace

Koşul: ikinci el, Üretim yılı: 2011, Maksimum sıcaklık: 1280 °C Açıklık boyutu: 350 x 250 mm Kamer derinliği: 500 mm Hacim: 41 L Çalışma gerilimi: 400 V Toplam güç ihtiyacı: 15,0 kW Cjdpfx Acoy R Efgehsgu Makine ağırlığı: yaklaşık 277 kg Alan ihtiyacı: yaklaşık 1,15 x 1,45 x 1,35 m - Fabrika numarası: 219660 - Kontrol: NABERTHERM P300 - 340 x 550 mm döner tabla ile

Koşul: mükemmel (kullanılmış), Üretim yılı: 2018, makine/araç numarası: SN49983, Fonksiyonellik: tamamen fonksiyonel, Chamber furnace, completely overhauled, in excellent condition, immediately available, 12 months warranty - Max. temperature 1300 °C - Internal dimensions (W x D x H): 400 x 400 x 400 mm - Capacity: 60 liters Cgodpsx U Ekdjfx Acheu - Separate main switch - 5-sided heating - Supply and exhaust air with dampers, electrically operated via Belimo actuators - Intake air fan with frequency converter, controlled by regulator - JUMO control system, switchable to other languages! - Additional Type S trailing element for external recording - Net weight: 250 kg - Power consumption: 18 kW - Current consumption: 26 amperes - Connection voltage: 3/N/PE 400VAC - Connection type: prepared for fixed connection, 32 A plug - Documentation, CE declaration - Electrically tested and certified with current DGUV measurement protocol Viewing by appointment. Furnace, ovens, annealing furnace, industrial furnace, chamber furnace, kiln, baking oven, tempering furnace, laboratory furnace, hardening furnace

Koşul: iyi (kullanılmış), Fonksiyonellik: tamamen fonksiyonel, Üretim yılı: 2017, Recirculation chamber furnaces, electric, 12-month warranty, available at short notice - Operating temperature 200°C, upgradeable to 250°C! - Charging trolleys, 5 units available, conversion on request - Fast heat-up times, short process durations - Homogeneous temperature distribution of +/- 10°C - Internal dimensions (W x D x H): 3750 x 1400 x 2300 mm - External dimensions (W x D x H): 4850 x 3880 x 1705 mm - Usable volume: 11.6 m³ - Control system: S!MPAC with touch panel - Program control with product sensor as cascade control - Temperature limiter - Signal tower - Directly accessible, slotted rails Cgedpfxjy Tkfws Achsu - Exhaust air flow rate: 140 m³/min - Electromagnetic door locking - Rated power: 180 kW - Connection load: 241 kW! - Weight: approx. 3500 kg - Documentation, CE declaration of conformity We are happy to offer transport and installation as well as training for your staff. Inspection at our machinery hall possible at any time by appointment. Oven, ovens, drying oven, industrial oven, drying cabinet, heat oven, heat cabinet, recirculating oven, chamber oven, heating oven, chamber recirculation oven, tempering oven, annealing oven, recirculation chamber oven, hardening oven, Vötsch oven, Weiss Technik, fusing oven, curing oven, post-curing of liquid crystal windows, CFRP support structure, oven for glass, glass tempering furnace, glass fusing oven, glass hardening oven.

Koşul: yenilenmiş (kullanılmış), Üretim yılı: 2017, makine/araç numarası: SN48357, Fonksiyonellik: tamamen fonksiyonel, Chamber furnace with exhaust hood, completely overhauled, 12-month warranty, available for immediate delivery - Max. temperature: 1300 °C - Internal dimensions (W x D x H): 400 x 400 x 400 mm - Capacity: 60 liters - Separate main switch - 5-sided heating system - Air inlet and exhaust with flaps, electric, operated via Belimo actuators - Inlet fan with frequency converter, controlled via regulator - Stainless steel exhaust hood - Control system: Bentrup 507, thyristor control Csdpfx Aotbq Eqechjgu - Note: Controller language is German only, cannot be switched to other languages! - Additional drag element type S for external recording - Documentation included - Net weight: 250 kg - Power consumption: 18 kW - Current draw: 26 amperes - Connection voltage: 3/N/PE 400VAC - Connection type: prepared for fixed connection, 32 A plug - Documentation and CE declaration - Electrically tested with current DGUV test protocol Viewing by appointment. Furnace, furnaces, annealing furnace, industrial furnace, chamber furnace, kiln, drying oven, tempering oven, laboratory furnace, hardening furnace, ceramic kiln.

Koşul: iyi (kullanılmış), Fonksiyonellik: tamamen fonksiyonel, Üretim yılı: 2017, 2 forced-air chamber ovens, electric, 12-month warranty, available at short notice - Operating temperature 200°C, upgradeable to 250°C on request - Charging trolleys, 5 units included in the offer, modifications available on request Cgedpfx Aey Avqwjchju - Fast heat-up times, short process cycles - Uniform temperature distribution within +/- 10°C - Internal dimensions (W x D x H): 3750 x 1400 x 2300 mm - External dimensions (W x D x H): 4850 x 3880 x 1705 mm - Usable volume: 11.6 m³ - Control system: S!MPAC with touch panel - Program operation with batch sensor (cascade control) - Temperature limiter - Signal tower - Directly accessible, with grid rails - Exhaust air volume flow: 140 m³/min - Electromagnetic door locking - Nominal power: 180 kW - Connection capacity: 241 kW!!! - Weight: approx. 3500 kg - Documentation, CE Declaration of Conformity Transport, installation and operator training can be offered upon request. Inspection in our machine hall can be arranged at any time by appointment. Oven, drying oven, industrial oven, drying cabinet, heating oven, heating cabinet, circulating air oven, chamber oven, preheating oven, chamber circulating air oven, annealing oven, tempering oven, forced-air chamber oven, hardening oven, Vötsch oven, Weisstechnik, fusing oven, post-curing, post-curing of liquid crystal windows, CFRP support structures, Curing oven, glass oven, glass tempering oven, glass fusing oven, glass hardening oven.

Koşul: işlem için hazır (kullanılmış), Üretim yılı: 1985, Kullanılmış yüksek kamaralı fırın - Tmax 1280°C - Kapasite 5000 litre - İç boyutlar: g x d x y 1250 x 1250 x 3200 mm - Dış boyutlar g x d x y 1600 x 2200 x 4000 mm - ölü ağırlık 7000 kg Cgodpfx Ajhwwltochju - Nominal güç 198 KW - Dokümantasyon Randevu ile her zaman inceleme mümkündür. Fırın, Fırınlar, Sertleştirme fırını, Tavlama fırını, Endüstriyel fırın, Kamara fırını, Pişirme fırını, Kürleme fırını, Temperleme fırını, Kamara fırını, Kamara kurutucu

Koşul: yeni gibi (kullanılmış), Üretim yılı: 2020, Fonksiyonellik: tamamen fonksiyonel, Recirculating chamber furnace, electric, 12 months warranty. Program controller upgrade to new Jumo Dicon, fan will be newly mounted. New images to follow. - Capacity: 8,000 liters - Tmax: 300°C - Internal dimensions (W x D x H): 2000 x 2000 x 2000 mm - External dimensions (W x D x H): 2559 x 2578 x 2665 mm - Fresh air inlet and exhaust air with adjustable damper - Optional exhaust air fan and frequency converter available on request - Safety thermostat Cgedpfx Ajy Am R Uecheu - Program controller upgraded to new Jumo Dicon Touch, 10 programs each with 50 segments, including network interface - Recirculating fan newly mounted - Double doors - Heating power: 36 kW - Total power: 39.8 kW - Power supply: 400V, 3-phase, 50 Hz - Weight: 1,300 kg - Documentation, CE declaration - Electrically tested with current DGUV test protocol Inspection at our machinery hall possible at any time by appointment. Furnace, ovens, drying oven, industrial furnace, drying cabinet, heat oven, heating cabinet, recirculating oven, chamber oven, heating furnace, chamber recirculating oven, annealing oven, tempering oven, chamber dryer, drying cabinet.

Koşul: yeni gibi (sergi parçası), Üretim yılı: 2025, Fonksiyonellik: tamamen fonksiyonel, Yeni cihaz, stokta, hemen teslim -Kapasite: 18.000 litre -Maksimum sıcaklık: 450°C -İç ölçüler (U x G x Y): 4100 x 2100 x 2100 mm -Dış ölçüler (raylarla birlikte): U 9970 x G 3060 x Y (asansör kapakla birlikte) 6110 mm -Kontrol ünitesi: Eurotherm Nanodac -Sıcaklık stabilitesi (nominal sıcaklıkta, yük olmadan): ±5 °C -Otomatik hava giriş/çıkış klapeleri -Elektrikli kaldırma kapak -Elektrikli tahrikli fırın arabası Cgodpfxou Hma No Acheu -Güç: 247 ± 9% kW -400 V, 50 Hz -Dokümantasyon, CE beyanı Kurulum, devreye alma ve personelinizin eğitimi hizmeti sunuyoruz. Lütfen bize ulaşın! Yeni ve kullanılmış endüstriyel fırınlarımız mevcuttur. Depomuzda incelemek isterseniz lütfen talep edin! Fırın, fırınlar, tavlama fırını, pişirme fırını, sertleştirme fırını, ısıtma fırını, fırın, temperleme fırını, kurutma fırını, endüstriyel fırın, Isı kabini, ısıtma fırını, temper fırın, kurutma kabini, oda tipi fırın,

Koşul: mükemmel (kullanılmış), Üretim yılı: 2024, Complete Induction Hardening Plant – Hardening of Shafts, Pins, and Bushes For sale: a fully equipped induction hardening plant, ideal for hardening shafts, pins, and bushes. The machine is fitted with a cooling unit and is ready for operation! Technical specifications: - Generator power: 160 kW - Operating frequency: 10-25 kHz - Power supply: 3x400V / 50Hz - Maximum diameter of workpiece: up to 150 mm (possible modification up to 250 mm by changing the cooling ring) - Hardening depth: up to 6 mm - Maximum workpiece length: 1250 mm - Cooling: Cooling unit with a capacity of 100 l/min - Control: Digital and manual, with programmable parameters Cjdoyf Ak Iepfx Achsgu - Achievable hardness depending on steel grade: - C45 (structural steel): approx. 50-55 HRC - 42CrMo4 (alloy steel): approx. 55-60 HRC - Tool steels: approx. 60-64 HRC The machine is in excellent condition and ready for immediate use! Inspection and test runs possible on site.

Üretim yılı: 1985, Koşul: ikinci el, Sertleştirme fırını Heraeus Tip KM 260 genişlik 250 mm yükseklik 150 mm derinlik 500 mm Sıcaklık 1150 c'ye kadar Cgsdpfx Acogtxuqjhsu

Koşul: yeni gibi (sergi parçası), Üretim yılı: 2023, Fonksiyonellik: tamamen fonksiyonel, New machine warranty, in-stock item, originally packaged, available for immediate delivery. Equipped with a safety system compliant with DIN 1539 for handling solvent-based substances. Matching loading carts available in stock (see picture). Contact us for details! Cgjdpfel Dw T Aox Achou - Internal dimensions (W x D x H): 1000 x 1000 x 1500 mm - External dimensions (W x D x H): 1900 x 1430 x 2315 mm - Capacity: 1,500 litres - Tmax: 260°C - Controller P570 / 50 fully programmable programs, each with up to 40 segments - NtLog for controller: record data via USB stick - Forced air circulation: 3,600 m³/h - Exhaust air volume: 390 m³/h - Additional equipment: tracking grooves - Connected load: 39 kW - Weight: 1,150 kg - Includes documentation and CE declaration We also offer installation and commissioning services. Machine inspection possible by appointment at our warehouse. We offer both new and used industrial ovens. Contact us for further information! Oven, ovens, drying oven, kiln, thermal oven, temperature cabinet, industrial furnace, forced convection oven, convection chamber dryer, stress relieving oven, heating oven, tempering oven, drying cabinet, chamber furnace, curing oven, convection drying cabinet, convection oven, solvent oven, chamber dryer, paint dryer.

Koşul: yeni gibi (kullanılmış), Üretim yılı: 2022, Immediately available, 12-month warranty, excellent condition Recirculating oven for solvent-based substances compliant with DIN EN 1539, including 4 charging trolleys - Max. temperature 150°C (can be increased upon request) - Usable volume: 1,875 liters - Internal dimensions: W 1,250 x D 1,000 x H 1,500 mm - External dimensions: W 1,765 x D 1,425 x H 2,300 mm - Loading tracks and recesses for charging the oven with trolleys - Maximum permissible quantity of combustible materials at 150°C: 83.9 g - Minimum exhaust air volume flow at 20°C: 360 m³/h - KS 40-1 controller for simple temperature control with predefined ramp or dwell times (1 program, 4 segments) - Optionally upgradeable to JUMO DICON controller upon request - Additionally equipped with a simple timer, which can be started from the front panel - Connection: 30 kVA, 3 x 400 V, 57 A, 50 Hz - Heating capacity: 36 kW - Net weight: 820 kg - Available only with 4 charging trolleys, each with 12 trays and 24 stainless steel slot levels - Documentation and CE declaration - Electrically tested and supplied with current DGUV test report Cjdpjxbtvfofx Achsgu Inspection available by appointment at our warehouse. Oven, ovens, drying oven, kiln, heat oven, drying cabinet, industrial oven, solvent oven, tempering oven, heating oven, temperature oven, drying cabinet, chamber furnace, curing oven, recirculating drying oven, recirculating oven, paint dryer

Üretim yılı: 2005, Koşul: ikinci el, Fonksiyonellik: sınırlı işlevsellik, Fischer / Stocker Electric Recirculation Oven with Fan, Year of manufacture: 2005, Optimized in 2022/23 incl. Additional insulation including cover panel Siemens control unit with program selection and memory Temperature-resistant fan shaft including lowering of the fan unit in the chamber Additional installation of 3 x 1.5 kW heating elements Connected load: 45 kW Increased heating capacity from originally +250°C to +450°C Fully extendable pull-out floor Installation dimensions (D x W x H): 3,100 mm x 2,750 mm x 2,900 mm (including attachments) Cgsdpsyx H Swofx Achou Usable internal chamber dimensions (D x W x H): 2,500 x 1,700 x 1,500 mm The oven was originally used for GRP (glass fiber reinforced plastic) component production in the aerospace industry, purchased used by us in 2020 and subsequently adapted/optimized as detailed above for purpose of curing/temper coating processes. Due to changing project requirements, this oven soon became too small for us and was never put into operation! Ideal for electrostatic and/or wet painting, tempering, or special applications! Electronics are fully functional, therefore immediately ready for use, though due to prolonged idle time, partial repairs of adhesive seals (covering) and door gaskets may be necessary! Price is net, ex-works, negotiable!

Koşul: yenilenmiş (kullanılmış), Üretim yılı: 2010, makine/araç numarası: SN214289, Fonksiyonellik: tamamen fonksiyonel, Completely overhauled, new photos to follow. Electrical system renewed including conversion to thyristor technology, and installation of new controllers. - Maximum temperature: 260°C - Capacity: 9000 liters - Nabertherm Controller P 300 (9 programs with up to 40 segments each) - HAS (High-Accuracy System): precision system for temperature control and documentation - Double door - Internal dimensions (W x D x H): 1500 x 3000 x 2000 mm - External dimensions (W x D x H): 2400 x 3860 x 2830 mm - Temperature safety limiter Cgodpfsyxl Epjx Acheu - Thermocouple Type K - Signal tower - Drive-in ramp, furnace with floor insulation, high temperature uniformity - Circulation rate: 18,000 m³/h - Power rating: 93 kW - Documentation, CE-certified - Electrical inspection and provided with a current DGUV test protocol The furnace is calibrated according to DIN 17052 as of February 2025. This standard ensures the temperature throughout the furnace chamber remains within defined tolerances. Example applications: heat treatment of metals or in additive manufacturing (3D printing), where standards-compliant processes are required. Inspection possible at any time by appointment in our warehouse. We offer new and used industrial furnaces, including customization and upgrades according to your specifications. Furnace, ovens, drying oven, industrial furnace, drying cabinet, heat oven, heating cabinet, recirculating air oven, chamber furnace, heating oven, chamber recirculating air oven, tempering oven, aging oven, hardening oven.