Used Press Brake Durma 400 Tons for sale (42,980)

Condition: new, Year of construction: 2024, Hydraulic press brake PBO-4016-CNC OT-41 Specifications - Nominal pressure: 1600 kN - Max working length 4000 mm - Throat depth: 320 mm - Max stroke: 180 mm - Daylight: 455 mm - Distance between side frames: 3200 mm - Max backgauge distance: 600 mm - Nominal motor power: 15.0 kW - Length: 4100 mm - Width: 1650 mm - Height: 2600 mm - Weight: 10000.0 kg Redpfoh Ia Trjx Ai Hou Tools - Front supports: 2 pcs - Backgauge distance regulation (X-axis): servo motor - Ram control (Y-axis): servo motor - Finger height adjustment (R axis): manual - Type of punch holder: AMADA quick-action clamping Otinus CNC controller OT-41 The Otinus CNC controller features a convenient and intuitive menu. The software calculates the bending angle itself. The large colour touch screen is easy to read from any angle. Optional extra - Manual crowning So that you are always sure that the workpiece will have the same angle along its entire length. Optional extra - Automatic crowning Enables the controller to take control over crowning, thus, ensuring that the setting value is always perfectly matched to the needs. OCS - Oil Cooling System Oil Cooling System guarantees the stability of the machine's operating parameters even after long, continuous operation. Assistance by a specialist We make sure to stay in constant touch with our Clients. This is why we add a time package of tech support hours for Otinus Professional Assistance to each machine purchased. See and test the machine Join us for a one-of-a-kind demonstration where a qualified Otinus technician will show you the full functionality of the machine. In addition, you will be able to try out how the device will perform against your needs as you can provide technical drawings and sample material. Included in the machine price 2-day training including installation of the machine - 1st day (up to 8 hours) - installation of the machine and learning to use the controller. - 2nd day (up to 8 hours) - independent work on the machine under the supervision of our technician with the possibility of programming specific parts manufactured by the Client. Telephone consultation with a specialist - 7.30 a.m. to 9 p.m. (Mon-Sat) - package of 8 hours to be used within 12 months - Free lending of transport rolls and two lifting jacks for easier positioning of the machine at Clients' facilities. The rollers and jack will be delivered after prior notification (no less than 7 days before delivery of the machine). Terms of cooperation - 24 month warranty - The machine is brand new - Warranty and post-warranty service provided by the seller - The Client is responsible for the machine during unloading and transporting on-site

Condition: new, Year of construction: 2025, functionality: fully functional, input voltage: 380 V, input frequency: 50 Hz, stroke length: 200 mm, operating speed: 50 mm/s, reverse speed: 180 mm/s, table length: 3,200 mm, total length: 3,915 mm, total width: 1,605 mm, total height: 2,655 mm, overall weight: 8,000 kg, bending force (max.): 1,000 t, bending angle (max.): 90 °, warranty duration: 24 months, working height: 450 mm, All-Electric Servo Bending Machine Nominal force(KN): 1000 Slider stroke(mm): 200 Throat depth (mm): 360 X-axistravel(mm): 600 R-axistravel(mm): 200 Z-axistravel(mm): 2500 🔹 Smart CNC System – SL100-P with high-end algorithms and 12-inch touchscreen for intuitive operation. 🔹 High-Precision Structure – Finite element analysis (FEA), annealed, and one-time machining for long-term stability and accuracy. 🔹 4-Axis Intelligent Backgauge – AC servo-driven, high-speed positioning with automatic collision avoidance. 🔹 Precision Compensation System – Adjustable convex strips & fine-tuning mechanism for optimal bending accuracy. 🔹 Powerful & Durable Drive – High-torque servo motor, heavy-duty ball screws & sealed protection for longevity. 🔹 Fully Closed-Loop Control – Y1/Y2 magnetic scale feedback, positioning accuracy ±5μm. 🔹 Optimized Electrical System – Closed electrical box, heat dissipation, & neat wiring for reliability and easy maintenance. Redpsv Hchlsfx Ai Hsu 🔹 Imported Precision Components – Ball screws & linear guides ensure accuracy without stroke compensation. 🔹 High precision, stability, and smart automation – designed for professional sheet metal bending!

Condition: used, Year of construction: 1988, pressure 400 t distance between columns 1100 mm stroke 250 mm no. of strokes 25 - 75 /min distance table/ram, max. stroke up, adjustment up 900 mm table surface area 1100 x 965 mm capacity of ejector in table 30 t Rodpfx Aevuuknei Heu ejector stroke of ejector in table 80 mm capacity of ejector in ram 3 t stroke of ejector in ram 60 / 70 mm ram surface 980 x 800 mm column travel -side 800 mm ram adjustment 20 mm power capacity 80,0 + 5,5 kW weight 47,0 t Dimensions (WxDxH) 3,5 x 3,3 x 6,0 m weight of switch cabinet 1,4 t dimensions of electrical cabinet (WxDxH) 4,9 x 0,5 x 2,6 m Multi-station cold extrusion press with link drive with infinitely variable drive, hydraulic clutch-brake combination (Ortlinghaus), hydraulic overload protection in the slide, motorised slide adjustment, pneumatic counterbalance cylinder in press frame, cam-controlled ejector in table (30 t / 80 mm), pneumatic ejector in slide (3 t, 60 mm), motorised central lubrication

Condition: used, Year of construction: 2011, pressure: 400bending length: 4050column width: 3400electricity performance: 37,5weight approx.: 25.000messurements (LxWxH): 5750 x 2110 x 3440STOCK CLEARANCE – UNBELIEVABLE PRICE!CNC Press Brake – DURMA AD-S 40400 (4 m x 400 tons) Now available at a special price ex works Böheimkirchen: only EUR 79,000 (Original price approx. EUR 170,000) Technical Specifications:Manufacturer: DURMA Model: AD-S 40400 Rjdpfx Aiovfy Sxe Hou Year of manufacture: 2011 Bending length: 4,050 mm Pressing force: 400 tons Axes: Y1, Y2, X, R + CNC-controlled crowning Motor power: 37 kW Features & Equipment:CNC crowning system, motorized adjustment via control Upper tool: 1010/A/75°, segmented and gooseneck-style Die: Multi-V die Backgauge: CNC-controlled 2 front sheet supports on linear guides CE-certified laser safety system (Lasersafe) mounted on the upper beam Machine fully complies with CE standards new pump installed One-time offer – available immediately!Only 1 unit in stock – ready for fast delivery – no lead time!Take advantage of this rare opportunity to own a high-performance CNC press brake at a fraction of the original price.

Condition: used, Year of construction: 2011, pressure: 400bending length: 4050column width: 3400electric current: 37,5 KWweight approx.: 25.000messurements (LxWxH): 5750 x 2110 x 3440STOCK CLEARANCE – UNBELIEVABLE PRICE! CNC Press Brake – DURMA AD-S 40400 (4 m x 400 tons) Now available at a special price ex works Böheimkirchen: only EUR 79,000!(Original price approx. EUR 170,000) Technical Specifications:Manufacturer: DURMA Model: AD-S 40400 Year of manufacture: 2011 Bending length: 4,050 mm Pressing force: 400 tons Axes: Y1, Y2, X, R + CNC-controlled crowning Motor power: 37 kW Features & Equipment:CNC crowning system, motorized adjustment via control Upper tool: 1010/A/75°, segmented and gooseneck-style Die: Multi-V die Backgauge: CNC-controlled 2 front sheet supports on linear guides CE-certified laser safety system (Lasersafe) mounted on the upper beam Machine fully complies with CE standards Redpov Rtg Tjfx Ai Heu new pumpt installed One-time offer – available immediately!Only 1 unit in stock – ready for fast delivery – no lead time!Take advantage of this rare opportunity to own a high-performance CNC press brake at a fraction of the original price.

Condition: used, Year of construction: 2003, pressure 400 t distance between columns 1060 mm stroke 450 mm no. of strokes 15 - 30 /min distance table/ram, max. stroke up, adjustment up 1160 mm table surface area 1000 x 700 mm Rsdpfx Aevzxpuoi Heu capacity of ejector in table 2 x 16 t ejector stroke of ejector in table 125 mm Die cushion pressure in table 120 t Die cushion stroke in table 2 mm capacity of ejector in ram 2 x 4 t stroke of ejector in ram 100 mm ram surface 1000 x 700 mm column travel -side 630 mm power capacity 55,0 kW weight 50,0 t year of manufacture 1986 - overhaul 2003 multi-station press with automatic parts feed, Transfer, drawing cushion in table (2. stage) as is where is, WITHOUT putting into operation, stored in dismantled condition

Condition: excellent (used), Year of construction: 2010, functionality: fully functional, pressing force: 80 t, control type: CNC control, Equipment: safety light barrier, 1 Used Very Clean Amada 8025 cnc down stroke hydraulic pressbrake for sale Rodpfx Aijyzy D Ee Heu The Amada HFT 8025 is a CNC hydraulic down-stroking press brake designed for precise sheet metal bending with an 80-ton pressing capacity. It is often equipped with the CD 2000 CNC control system, providing 4-axis control (typically Y1, Y2, X, and R) for high accuracy in industrial applications. Key Technical Specifications Year 2010 Feature Standard HFT 8025 Press Force 80 Tons (800 kN) Bending Length 2,500 mm Stroke Length 200 mm Open Height 470 mm Throat Depth 420 mm Motor Power 7.5 kW

Condition: used, Year of construction: 1971, total length: 3,000 mm, total width: 2,000 mm, total height: 3,000 mm, Weight: 10.000 kg - Year: 1971 - Documentation available: No Redpfx Aioybdkns Hju - CE certificate present: No - Serial number: 20956 - Drive system: Teach-in - Press force [ton]: 150 - Max. working width [mm]: 3050 - Column gap [mm]: 2500 - Backgauge depth [mm]: 750 - Tools included: Yes - Transport dimensions: 3000mm x 2000mm x 3000mm (l x w x h) - Transport weight [kg]: 10000kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum

Condition: used, Year of construction: 2004, total length: 4,600 mm, total width: 2,200 mm, total height: 3,000 mm, Weight: 21.500 kg Price: On request - Year: 2004 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 12.2235 - Drive system: CNC - Control system brand: Delem - Power [kW]: 33.5 - Number of axes [pcs]: 6: Y1+Y2+X+R+Z1+Z2 - Press force [ton]: 300 - Max. working width [mm]: 4300 - Column gap [mm]: 3700 - Crowning system: CNC-controlled - Punch holder: Hydraulic - Tool holder type: WILA-standard - Tools included: Yes - Options: Finger safety guard - Transport dimensions: 4600mm x 2200mm x 3000mm (l x w x h) - Transport weight [kg]: 21500kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum Rodpfxeyvt Dzj Ai Hju

Condition: ready for operation (used), Year of construction: 2015, Well-maintained, used press brake from Durma. Rodey Urp Hepfx Ai Hsu Type: AD S 25100 Capacity: 2550 x 100 tons Y1, Y1, X, and R axes CNC controlled Delem DA66T CNC control CNC crowning Akas Fiesler laser safety system Amada/Euro clamping system Includes 1 set of tooling

Condition: excellent (used), Year of construction: 2003, machine/vehicle number: 753303468, functionality: fully functional, Durma hydraulic press brake, CNC HAP 40160 type working width 4100 mm max. pressing force 160 tons Rodpfx Aszarfqji Hou Cybelec CNC control system, DNC 1200 type CNC-controlled Y1, Y2, X, and R axes Wila motorized crowning system Wila hydraulic upper tool clamping system including 1 set of tools

Condition: good (used), Year of construction: 2012, functionality: fully functional, power: 18.5 kW (25.15 HP), input voltage: 400 V, input current: 37 A, input frequency: 50 Hz, type of input current: three-phase, pressing force: 175 t, stroke length: 265 mm, operating speed: 10 mm/s, reverse speed: 100 mm/s, table width: 104 mm, table length: 3,700 mm, table height: 900 mm, throat depth: 410 mm, clearance between the columns: 3,100 mm, oil tank capacity: 250 l, total length: 5,300 mm, total width: 2,700 mm, total height: 2,750 mm, overall weight: 13,100 kg, Equipment: CE marking, safety light barrier, 2012 Durma AD-R 37175 CNC Press Brake – 175 Ton x 3700mm | CNC Advantage Control | Tooling Included Used 2012 Durma AD-R 37175 CNC press brake for sale. 175 ton, 3700mm, CNC Advantage control, tooling included. Manufacturer: Durma Model: AD-R 37175 CNC Pressbrake Control: Durma CNC Advantage Control Year: 2012 Capacity: 3.7m x 175T Condition: Good Description 2012 Durma AD-R 37175 CNC Press Brake – a high-performance, precision hydraulic press brake designed for efficient and accurate sheet metal bending. This machine offers excellent value for workshops looking for a reliable 175 Ton CNC press brake with strong capabilities and proven Durma build quality. Manufactured by Durmazlar (Durma), a globally recognised leader in sheet metal machinery, the AD-R series is known for robust construction, ease of use, and excellent performance-to-price ratio. 🔧 Key Features 175 Ton Bending Capacity 3700mm Bending Length Durma CNC Advantage Control (2D Graphic Programming) 3 Axis Machine (Y1, Y2, X – Powered) Manual R-Axis via Backgauge Fingers Motorised Backgauge with Linear Guides & Ball Screw System European Style Clamping System Full Set of Top & Bottom Tooling Included Top Tool Hangers Included (Supplied, not shown in photos ⚙️ Technical Specifications Bending Force: 175 Ton Bending Length: 3700 mm Distance Between Columns: 3100 mm Stroke: 265 mm Daylight: 530 mm Throat Depth: 410 mm Table Width: 104 mm Table Height: 900 mm Speeds Y Rapid Feed: 120 mm/sec Working Speed: 10 mm/sec Return Speed: 100 mm/sec Backgauge X Axis Travel: 650 mm X Axis Speed: 500 mm/sec Backgauge Fingers: 2 (height adjustable) General Motor Power: 18.5 kW Oil Tank Capacity: 250 Litres Dimensions (L x W x H): 5300 x 2700 x 2750 mm Weight: 13,100 kg 💡 Machine Overview The Durma AD-R series is engineered for precision bending, low maintenance costs, and long-term reliability, making it an ideal solution for fabrication shops and industrial production environments. With a large daylight opening, generous stroke, and rigid frame construction, this machine is well suited for handling a wide range of sheet metal applications, from light fabrication to heavy-duty bending work. The CNC Advantage Control system provides: 2D graphical programming Automatic bend sequencing Easy part calculation USB program storage and backup User-friendly interface for fast setup and operation 🏭 Why Buy This Machine? Excellent price-to-performance CNC press brake Strong European build quality Ideal for steel fabrication, sheet metal workshops, engineering firms Complete with tooling – ready to go to work Reliable and simple CNC control – easy for operators 📦 Included with Machine Full Top & Bottom Tooling Set Top Tool Hangers (supplied) Sliding Support Arms Backgauge System Rsdpfxoy Ir D Do Ai Hou Notes: *Specifications are given in good faith but not guaranteed*

Condition: excellent (used), Year of construction: 2021, functionality: fully functional, power: 15 kW (20.39 HP), input voltage: 400 V, input current: 30 A, input frequency: 50 Hz, stroke length: 210 mm, operating speed: 10 mm/s, reverse speed: 130 mm/s, throat depth: 410 mm, total length: 5,305 mm, total width: 2,430 mm, total height: 2,840 mm, overall weight: 9,800 kg, travel distance X-axis: 750 mm, controller manufacturer: ESA, controller model: S660W, working width: 3,700 mm, bending force (max.): 175 t, back gauge: 750 mm, distance between stands: 3,200 mm, control type: CNC control, degree of automation: automatic, back gauge adjustment: CNC-controlled, number of axes: 4, type of crowning: motor-driven, actuation type: hydraulic, Equipment: CE marking, emergency stop, european tool clamping system, finger protection, foot remote control, lower tooling, safety light barrier, upper tooling, 2021 MVD A175-3700 Hydraulic Pressbrake with ESA S660W Graphic Control – Very Good Condition For sale is a 2021 MVD A175-3700 Hydraulic CNC Pressbrake, equipped with the advanced ESA S660W Graphic CNC Control. This machine is in very good condition, and is ready for immediate use in production. MVD are globally recognised for their high-precision sheet metal forming machinery, combining durability with operator-friendly CNC controls. The A175-3700 offers exceptional performance for fabricators, subcontractors, and manufacturing companies needing reliable and accurate bending of sheet materials. Machine Make: MVD Machine Model: A175-3100 Rodpfx Ajxddw Eoi Hju Machine Type: CNC Pressbrake Machine Capacity: 3700 x 175T Machine Year: 2021 Machine Control: ESA S660W CNC Graphic Control ✅ Key Features 175-ton hydraulic pressbrake with 3700 mm bending length ESA S660W Graphic CNC Control – intuitive 2D/3D programming, touchscreen interface 4-axis CNC (Y1, Y2, X, R) for flexible production High precision crowning system for consistent bending angle Heavy-duty welded steel frame for stability and long-term accuracy European-style tooling system – quick and easy tool changes Safety light guards for operator protection Excellent condition – 2021 model, lightly used 📐 Technical Specifications – MVD A175-3700 Press Capacity: 175 tonnes Bending Length: 3700 mm Distance Between Frames: 3200 mm Stroke (Ram Travel): 210 mm Daylight Opening: 465 mm Throat Depth: 410 mm Table Width: 90 mm Axis Configuration: Y1, Y2, X, R (4-axis CNC) Control: ESA S660W Graphic CNC – touchscreen with 2D/3D programming Backgauge Travel: 750 mm Approach Speed: 180 mm/s Bending Speed: 10 mm/s Return Speed: 130 mm/s Main Motor Power: 15 kW Machine Dimensions (L×W×H): 5305 × 2430 × 2840 mm Weight: 9,800 kg 🌍 Condition Year of Manufacture: 2021 Control: ESA S660W Graphic CNC Axes: 4-axis (Y1, Y2, X, R) Condition: Very Good Ready for inspection and delivery 🔑 Summary This 2021 MVD A175-3700 Hydraulic CNC Pressbrake with ESA S660W Graphic Control offers 175 tonnes of power, 3700 mm bending capacity, and advanced multi-axis CNC control for accurate and repeatable bending. An ideal choice for workshops and production facilities requiring a reliable, modern, and precise pressbrake. Notes: *Specifications are given in good faith but not guaranteed*

Condition: excellent (used), Year of construction: 2010, AMADA MODEL HFT 8025 80 tons capacity x 2500 bending length hydraulic downstroking press brake complete with CD 2000 4 AXIS colour graphic cnc control, ERWIN SICK machine mounted electronic guards , side and rear interlocked fencing Model Amada HFT 8025 downstroke CNC Press brake Year 2010 Tonnage 100 KN Type CD 2000 CNC Controlled Axis Y1, Y2, X, R Max. Bend Length 2500 mm Open height 470 mm Rjdju A Dgrepfx Ai Hju Stroke Length 350 mm Approach Speed 100 mm/sec Bending Speed 1 - 10 mm/sec Return Speed 1-100 mm/sec Oil Capacity Motor Power 7.5kw Weight 6100 kg Bed Length 2500 mm Bed Width 60 mm Open Height 470 mm Throat Depth 420 mm CNC Control Backguage Stoke (X axis) 700 mm/s Max gauge 1000mm R axis 250mm can be demonstrated under power BROCHURE AND FURTHER INFORATION AVAILABLE UPON REQUEST

Condition: good (used), Year of construction: 2008, Used 6-meter CNC press brake by Amada Type: HFE 400 6 L Capacity: 6100 x 400 tons Stroke: 350 mm Y1, Y2, X1, X2, R1, R2, Z1, and Z2 CNC controlled Rodpfx Aijy T Hlte Hsu 9204 operating hours Weight: 36 tons Transport in 2 parts (main frame + separate lower table) Self-adjusting crowning system in the lower table 450 mm mounted on the floor foundation Dismantling and loading included

Condition: refurbished (used), Year of construction: 1994, machine/vehicle number: HFBO 125 30 H40402, stroke length: 3,000 mm, Fully refurbished in 2019, AMADA PROMECAM 125.3 press brake, year of construction 1994. Excellent Condition. Rodpfey Nibcex Ai Hou If you have any questions or need more information, feel free to send us a message or give us a call.

Condition: excellent (used), Year of construction: 2015, Model Amada HFE MK2 5012 50 tons x 1250 , 4 axis CNC Press Brake Year 2015 Tonnage 50 tonnes Max. Bend Length 1250 mm Stroke Length 150 mm Approach Speed 1 - 100 mm/sec Bending Speed 1 - 10 mm/sec Return Speed 1 - 100 mm/sec Oil Capacity 55L Motor Power 6KW Weight 2550 Kg guarding Erwin Sick machine mounted light screen,side and rear interlocked fencing Dimensions Machine Length 2000 mm Machine Depth 2300 mm Machine Height 2300 mm Rjdpfxjyym Hke Ai Hou Distance Between Side Frames 1035mm Beam width 60 mm Table height 960 mm Open Height 370 mm Throat Depth 100 mm

Condition: good (used), Year of construction: 2004, Used conventional press brake by Baykal Type APH 3110 180 Capacity 3100 x 180 tons Adjustable back gauge and stroke adjustment Amada / Euro clamping system Includes 1 set of tooling Rodpjy Tuiyofx Ai Hju

Condition: good (used), Year of construction: 2006, Used 3-meter Bystronic press brake Type: PR 150 3100 Capacity: 3100 x 150 tons Y1, Y2, X, R, Z1, and Z2 CNC-controlled Cybelec ModEva 12 CNC control Rodpfx Aiey Tml Hj Hju Hydraulic RFA top clamp Hydraulic Wila 13mm bottom clamp Includes 1 set of tooling as shown Year of manufacture: 2006

Condition: reconditioned (used), functionality: fully functional, LVD 4000 x 200T Press Brake Type PPBL 200/40 Rodswtmi Ejpfx Ai Hju Capacity 4000 x 200T Maximum stroke 150 mm Weight 13.5T With mobile blade rack

Condition: new, machine/vehicle number: 83888, functionality: fully functional, HACO ERM 36150 (83888) Technical condition: New Bending length: 3600 mm Tonnage: 150 tons Type of press brake: Synchronized Back gauge: Y1 + Y2 + X CNC-controlled, R-axis manual Back gauge length: 800 mm Crowning: Yes (manual) Daylight opening: 400 mm Rjdpfsza Dihex Ai Heu Control system: EASYBEND 2D Motor power: 15.0 kW, 400V Tooling: Yes, multiple sets of bending tools Tooling standard: European standard Overall length: 4100 mm Overall depth: 1700 mm Overall height: 2500 mm Weight: 8500 kg Serial number: 83888

Condition: ready for operation (used), Year of construction: 2002, Very well-maintained, used press brake from Darley. Redpfxoy Szikj Ai Heu Type: EHP LS 230 43 37 Capacity: 4300 x 230 tons Delem DA 66W CNC control CNC crowning Y1, Y2, X1, X2, R1, R2, Z1, and Z2 axes CNC controlled Hydraulic Wila New Standard top and bottom clamping Includes 1 set of tooling as shown in the picture.

Condition: good (used), Matrices, 100 mm x 2 Offset punches x 2 Redozaitrjpfx Ai Heu In good condition

Condition: good (used), Rear back gauge fingers for Promecam press brakes, adjustable in height. Rsdpjzagq Uofx Ai Hju Sold as a complete set or in pairs.

Condition: used, Year of construction: 2001, operating hours: 2,500 h, total length: 3,540 mm, total width: 1,500 mm, total height: 2,330 mm, Colour: Grey Weight: 8.230 kg - Year: 2001 Rjdjy Thmxopfx Ai Hju - Documentation available: Yes - CE marking present: Yes - CE certificate present: No - Serial number: 5356 - Operating hours: 2500 - Drive system: Conventional - Power [kW]: 11.0 - Press force [ton]: 160 - Max. working width [mm]: 3100 - Column gap [mm]: 2500 - Backgauge depth [mm]: 750 - Max. stroke [mm]: 200 - Tools included: Yes - Transport dimensions: 3540mm x 1500mm x 2330mm (l x w x h) - Transport weight [kg]: 8230kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Lukas van Rossum