Used Deckel Maho Dmu 80P Duoblock for sale (1,300)

Condition: used, Year of construction: 2013, DMG DMC 65H duoBlock Horizontal machining center Year of manufacture: 2013 Operating hours: approx. 50,000 h Spindle hours: approx. 26,000 h Siemens Sinumerik 840D sl control system HSK 63 tool interface Bjdpfx Apoza Ezrshedf Spindle speed: 10,000 rpm 180-tool changer 10-position pallet changer (2-level, i.e., footprint equivalent to a 5-position pallet changer)

Condition: ready for operation (used), X-axis: 1080mm, y-axis: 710mm, z-axis: 710mm, speed range: 1-12,000/min, max. table load: 550kg, NC rotary table diameter integrated into the fixed table: 800mm, table dimensions: 1500x800mm, number of tool positions: 32, tool holder: SK 40 DIN 69872, connected load: 15kW, control system: Heidenhain TNC 430, operating hours: 63,619h, spindle hours: 22,552h, with controlled NC swivelling milling head B-axis, active cooling for the B-axis motor spindle, handwheel, operating mode 4, the hard drive drive amplifier was replaced in January 2025. An on-site inspection is possible. Bdodpfezadkrsx Aphjf

Condition: good (used), For sale is a Deckel Maho DMU 60T machining center. The machine can be inspected on site. Bdsdpfx Asydm Sajphef

Condition: good (used), Year of construction: 2004, operating hours: 6,293 h, functionality: fully functional, For sale is a machining centre from the manufacturer Deckel Maho, model DMU 50. The machine is in good condition and can be inspected on site. Bjdpfx Ajyghqvephedf

Condition: good (used), Year of construction: 2002, This vertical machining center was built in 2002 in Germany. It is in good working condition, with a maximum spindle speed of 18000 rpm and 21232 spindle hours. Including: Cnc controlled B-axis and C-axis Cooling through the spindle high pressure 40bar M&H 3d-probe Tool measurement It can be inspected under power in Belgium and will be available in October 2026 Control Heidenhain iTNC 530 Travel X 1080 mm Travel Y 710 mm Travel Z 710 mm Max spindle speed 18000 rpm Tool changer/magazine SK40 Number of toolpositions 32 Spindle hours 21232h Machine dimensions (LxWxH) 3500 x 2200 x 2410 mm Machine weight 9000 kg Bsdpfx Ajy Tv Epophedf Please note: The information on this page has been obtained to the best of our ability and belief. This information is provided in good faith, but its accuracy is not guaranteed. Accordingly, this information is not binding and does not constitute a contractual condition. We recommend that you check all essential details during an inspection of the machine. To save unnecessary travel costs for our customers, in most cases we recommend organizing a live video inspection.

Condition: good (used), Year of construction: 2007, functionality: fully functional, DMG DMU 50 3+2 axes Control system: Heidenhain iTNC 530 Bdjdpfjza T A Djx Aphof Operating hours: 11,275 hours (program time) X-axis travel: 500 mm Y-axis travel: 450 mm Z-axis travel: 400 mm Control system: iTNC 530 Heidenhain Spindle speed range – main spindle: 20 – 10,000 min/-1 Tool holder: SK 40 DIN 69871 Table surface area: 700 x 500 mm Maximum table load: 500 kg T-slots: 7 x 14 x 63 mm Number of tool positions: 30 Maximum tool weight: 6 kg Rapid traverse rate: 24 m/min Feed force: 4.5 kN Feed rate: 1 – 24,000 mm/min Total power requirement: 26 kVA Machine weight: approx. 4.5 t Space requirement: approx. 4.5 x 3.5 x 2.3 m Chip conveyor Handwheel Measuring probe Coolant gun Available immediately

Condition: used, Year of construction: 2000, Technical details: x-travel: 500 mm y-travel: 400 mm z-travel: 400 mm b-axis: manuell positionierbar ° c-axis: manuell positionierbar control: Heidenhain TNC 124 tool changer with: nein Plätze Bedpfeu Idffjx Aphsdf spindle taper MT: SK40 Revolution per minute: 4500 U/min. feed speeds infinitely variable: X/Y/Z: max. 14000 mm/min rapid traverse:: 5,0 m/min table-size: 700 x 500 mm total power requirement: 17 kVA Weight approx.: 2,91 t dimension machine xH: 2,0 x 2,0 x 2,5 m CNC universal vertical milling machine The machine has 5 axes. B- and C-axis manual with measuring system. B-axis table swivel -10° / +95° and C-axis table rotate 360° (not interpolatable, manually selectable via control). Cooling device (without pump) Operation via swiveling boom *

Condition: used, Year of construction: 2001, Technical details: x-travel: 630 mm y-travel: 560 mm z-travel: 560 mm c-axis: Tisch 360° ° b-axis: Spindel=rechts:90/links=10° manuell ° Bdedpfx Apeu Idgcjhef control: Heidenhain TNC 430 MillPlusM table-size: 1000x600 mm table load capacity: 400 kg tool taper: SK 40 Revolution per minute: 20 - 12 000 U/min. feed speeds infinitely variable: x/y/z= 20 - 10.000 mm/min tool changer: 2 Magazine tool changer with: 12 place pro Magazin spindle hours: 21 212 h operating hours - idle run: 49 845 h total power requirement: 20,6 kW Weight approx.: 6,7 t dimension machine xH: 3,0 x 2,0 x 2,15 m Equipment: - AC motors for x/y and z-axis - Tool clamping hydraulic/mechanical - Chip conveyor with separator (screw conveyor) - seperately working indexing head Ø 300mm with manual control unit for B-axis table tilting -10° / +95° and C-axis table turning 360° (not interpolable, electric selectable via manual control unit) - Coolant unit 8 m³/h (dimensions: L:1,1 x W: 0,54 x H:1,2m) - control unit *

Condition: used, Year of construction: 1998, x-travel 500 mm y-travel 400 mm z-travel 400 mm Control TNC 426M Heidenhain turning speed range - main spindle 20 - 9.000 min/-1 power capacity - main spindel 9 / 13 kW Bdsdexmag Uepfx Aphsf max. Torque 57 / 82 Nm tool taper ISO 40 DIN 69871 table diameter 700 x 500 mm swivellable B: 105° (-10°/+95°) man. rotatable 360° man. max. table load 200 kg number of T-slots 7 T-slot - distance 63 mm T-slot - width 14H7 mm center hole 30H7 mm number of toolpositions 16 pos. tool taper ISO 40 DIN 69871 max. tool length 290 mm max. tool weight 6,0 kg max. total weight 50 kg feed speeds max. 10.000 mm/min rapid traverse 12 m/min input unit 0,01 mm total power requirement 17 kW weight of the machine ca. 3,2 t dimensions of the machine ca. 4,0 x 4,0 x 2,5 m CNC - MachiningCenter Univresal DECKEL MAHO - DMU 50 T - 5 Axis (3 + 2) - Swivel-Rotary-Table incl. Angle-Specification (manual Axis B+C via Handwheel)

Condition: used, Year of construction: 2011, x-travel 630 mm y-travel 560 mm z-travel 560 mm control iTNC 530 Heidenhain turning speed range - main spindle max. 12.000 min/-1 power capacity - main spindel 10 / 15 kW max. Torque 130 / 87 Nm tool taper HSK-A 63 swivellable NC: ° table surface area 1.000 x 600 mm Bedpeyz Dcfjfx Aphodf table diameter Ø 600 mm T-slots 1x 14 x H7, 8x 14 H12 max. table load 500 kg rotatable C: 360 ° number of toolpositions 2x12 (24) pos. tool taper HSK-A 63 max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. tool weight 8,0 kg max. tool length 315 mm total power requirement 45 kVA weight of the machine ca. 6,8 t dimensions of the machine ca. 4,5 x 4,5 x 2,5 m CNC - MachiningCenter Universal DECKEL MAHO - DMU 60 monoBLOCK - Swivel-Millinghead - Package for tropical climate

Condition: used, Year of construction: 2007, x-travel 880 mm y-travel 630 mm z-travel 630 mm control iTNC 530 Heidenhain turning speed range - main spindle max. 18.000 min/-1 power capacity - main spindel 28 / 19 kW Bdjdsyaci Topfx Aphjf max. Torque 121 Nm tool taper HSK-A 63 swivellable B: +30° / -120 ° table surface area Ø 700 / 1.250 x 700 mm max. table load 650 kg rotatable C: 360 ° number of toolpositions 2x16 pos. tool taper HSK-A 63 max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. tool weight 8,0 kg max. tool length 315 mm feed speeds max. 30.000 mm/min rapid traverse 30 m/min total power requirement 48 kVA weight of the machine ca. 14,0 t dimensions of the machine ca. 4,5 x 4,0 x 2,6 m 5 Axis CNC - MachiningCenter Universal DECKEL MAHO - DMU 80 monoBLOCK - NC-Rotary Table (C-Achse) integrated in rigid-table - Swivel-Milling-Head (B-Achse)

Condition: used, Year of construction: 2006, x-travel 880 mm y-travel 630 mm z-travel 630 mm control iTNC 530 Heidenhain turning speed range - main spindle max. 18.000 min/-1 power capacity - main spindel 28 / 19 kW max. Torque 121 Nm tool taper HSK-A 63 swivellable B: +30° / -120 ° table surface area Ø 700 / 1.250 x 700 mm max. table load 650 kg rotatable C: 360 ° number of toolpositions 2x16 pos. Bedpfeyackdsx Aphjdf tool taper HSK-A 63 max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. tool weight 8,0 kg max. tool length 315 mm feed speeds max. 30.000 mm/min rapid traverse 30 m/min total power requirement 48 kVA weight of the machine ca. 14,0 t dimensions of the machine ca. 4,5 x 4,0 x 2,6 m 5 Axis CNC - MachiningCenter Universal DECKEL MAHO - DMU 80 monoBLOCK - NC-Rotary Table (C-Achse) integrated in rigid-table - Swivel-Milling-Head (B-Achse)

Condition: used, Year of construction: 2005, x-travel 1.000 mm y-travel 1.000 mm z-travel 1.000 mm Control 840 D Siemens turning speed range - main spindle 20 - 18.000 min/-1 Bedpjwf Rgfsfx Aphedf power capacity - main spindel 28 / 19 kW max. Torque 121 Nm tool taper HSK-A63 swivellable B: -30 / +180 ° swivle time 1,2 s numbers of pallets 2 size of pallet 1.000 x 800 mm max. workpiece weight 1.500 kg rotatable C: 360 ° number of toolpositions 180 pos. tool taper HSK-A63 total power requirement 78 kVA weight of the machine ca. 27,0 t dimensions of the machine ca. 8,0 x 7,0 x 3,4 m 5 Axis - CNC Machining Center Universal DECKEL MAHO - DMC 100 U duoBLOCK - Swivel-Milling-Head (B-Achse) - NC-Rotary (C-Axis) - pallet changer - 180-pos. tool-changer - WITHOUT zero point clamping system - WITHOUT RINGLER exhaust - WITHOUT tools

Condition: used, Year of construction: 2005, x-travel 880 mm y-travel 630 mm z-travel 630 mm control iTNC 530 Heidenhain turning speed range - main spindle max. 18.000 min/-1 power capacity - main spindel 28 / 19 kW max. Torque 121 / 82 Nm tool taper HSK-A 63 swivellable B: +30° / -120 ° table surface area Ø 700 / 1.250 x 700 mm max. table load 650 kg rotatable C: 360 ° max. workpiecediameter 850 mm max. workpiece height 550 mm number of toolpositions 32 pos. tool taper HSK-A 63 max. tool diameter 80 mm max. tool-dia with free toolbox 160 mm max. tool weight 8,0 kg change-time chip to chip 10 sec feed speeds max. 30.000 mm/min rapid traverse 30 m/min Accelaration 5 m/s² Bedpfevn Ur Eox Aphodf total power requirement 48 kVA weight of the machine ca. 14,0 t dimensions of the machine ca. 6,5 x 5,0 x 2,9 m 5 Axis CNC - MachiningCenter Universal DECKEL MAHO - DMU 80 monoBLOCK - NC-Rotary Table (C-Achse) integrated in rigid-table - Swivel-Milling-Head (B-Axis) - only 6.100h Spindle Hours

Condition: used, Year of construction: 2003, x-travel 630 mm y-travel 560 mm z-travel 560 mm control iTNC 530 Heidenhain Main spindle: turning speed range - main spindle 20 - 12.000 min/-1 power capacity - main spindel 15 / 10 kW max. Torque 125 Nm tool taper MAS BT 40 swivellable B: 103 ° feed: feed speeds 20 - 10.000 mm/min rapid traverse X-axis 26 m/min rapid traverse Y-axis 26 m/min rapid traverse Z-axis 20 m/min Resolution 0,001 mm input unit 0,001 mm work table: surface area 1.000 x 600 mm rotary table dia. 600 mm number of T-slots 8 / 1 T-slot - width 14 H12 / 14 H7 T-slot - distance 63 mm max. table loading capacity 350 kg rotatable C: 360 ° Tool-Presetter: number of toolpositions 24 pos. max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. tool length 315 mm max. tool weight 8 kg total wight max. 100 kg total power requirement 26 kVA weight of the machine ca. 6,7 t dimensions of the machine ca. 4,0 x 4,0 x 3,0 m CNC - MachiningCenter Universal DECKEL MAHO - DMU 60 T Bedevn Utcopfx Aphjdf - 5-Axis - controled NC-Swivel-Milling-Head ( B-Axis ) - Rotary Table integrated in Working-Table ( C-Axis )

Condition: used, Year of construction: 2002, x-travel 750 mm y-travel 600 mm z-travel 520 mm control iTNC 530 Heidenhain turning speed range - main spindle 20 - 18.000 min/-1 power capacity - main spindel 35 / 25 kW max. Torque 130 / 87 Nm tool taper HSK-A63 Bdsdpfx Apeuntmdehof table surface area 700 x 500 mm Swivel range B-Axis 0 - 180 ° Swivel range C-Axis 0,001 ° max. table load 350 kg center hole 30 H6 mm T-slots 7x 14H7 x 63 mm table turning speeds 21,5 rpm number of toolpositions 32 pos. max. tool length 315 mm max. tool diameter 105 mm max. tool-dia with free toolbox 130 mm max. tool weight 6,0 kg rapid traverse ( X / Y / Z ) 50 / 50 / 50 m/min feed speeds 20.000 mm/min Feed force X / Y / Z: 8 / 8 / 7 kN total power requirement 50 kVA weight of the machine ca. 8,5 t dimensions of the machine ca. 6,5 x 3,5 x 3,5 m 5 Axis-CNC-Machining Center DECKEL MAHO - DMU 70 eVolution - 5 Axis - NC-Swivel-Rotary-Table - Operating-Hours: Power-On: ca. 62.500h / Spindle: ca. 15.100h

Condition: used, Year of construction: 2008, x-travel 630 mm y-travel 560 mm z-travel 560 mm Bjdpfsx A H Rlsx Aphjdf control iTNC 530 Heidenhain turning speed range - main spindle max. 18.000 min/-1 power capacity - main spindel 10 / 15 kW max. Torque 130 / 87 Nm tool taper HSK-A63 swivellable NC: ° table surface area 1.000 x 600 mm T-slots 9x 14 x H7 max. table load 700 kg number of toolpositions 60 pos. tool taper HSK-A63 total power requirement 49,7 kVA weight of the machine ca. ca. 11,0 t dimensions of the machine ca. 4,5 x 4,5 x 3,5 m CNC - MachiningCenter Universal DECKEL MAHO - DMU 60 monoBLOCK - 4 axes (+ NC dividing head) - Swivel-Millinghead - Spindle refurbished - NEW X, Y, Z guideways - NEW ball screws - NEW X-axis bellows

Condition: used, Year of construction: 2007, x-travel 730 mm y-travel 560 mm z-travel 560 mm control iTNC 530 Heidenhain turning speed range - main spindle max. 18.000 min/-1 power capacity - main spindel 10 / 15 kW max. Torque 130 / 87 Nm tool taper HSK-A63 swivellable NC: ° table surface area 1.000 x 600 mm T-slots 9x 14 x 63 mm table diameter 600 mm rotatable C: 360 ° max. table load 500 kg number of toolpositions 60 pos. tool taper HSK-A63 total power requirement 40 kVA Bdedpfx Apewpw E Nohjf weight of the machine ca. ca. 11,0 t dimensions of the machine ca. 4,5 x 4,5 x 3,5 m CNC - MachiningCenter Universal DECKEL MAHO - DMU 60 monoBLOCK - 5 Axis - NC-Rotary-Table - Swivel-MillingHead

Condition: used, Year of construction: 2002, x-travel 880 mm y-travel 630 mm z-travel 630 mm control iTNC 530 Heidenhain Main spindle: turning speed range - main spindle 20 - 10.000 min/-1 power capacity - main spindel 13 kW Torque 130 Nm tool taper BT 40 DIN 69872 work table: table surface area 1.250 x 700 mm max. table load ca. 500 kg table diameter 700 mm T-slots 11x 14 x 63 mm max. table speed 15 min/-1 tool magazin: number of toolpositions 32 (2x 16) pos. tool taper BT 40 max. tool diameter 80 / 130 mm max. tool-dia with free toolbox 160 mm Bdjdpfx Apsvn Ur Sjhsf max. tool length 315 mm max. tool weight 8,0 kg feeds: feed speeds 20 - 15.000 mm/min rapid traverse 12 m/min total power requirement 30 kVA weight of the machine ca. 9,0 t dimensions of the machine ca. 4,0 x 3,0 x 2,5 m CNC - MachiningCenter Universal DECKEL MAHO - DMU 80 T - 5-Axis - Rotary table in Fixed-Table - Retrofitting to SK 40 optionally possible!

Condition: ready for operation (used), Year of construction: 2001, functionality: fully functional, machine/vehicle number: 15025703124, Used 5-axis machining centre with double table Manufacturer: DECKEL MAHO Model: DMU 70VL Year of manufacture: 2001 Bdsdeyk S Hpjpfx Aphof

Condition: used, Year of construction: 2006, x-travel 630 mm y-travel 560 mm z-travel 560 mm table surface area 1000 x 600 mm spindle taper HSK 63 A spindle turning speed - stepless 18.000 U/min feeds x/y/z -stepless 0 - 30.000 mm/min rapid traverse 30 m/min no. of tools in magazin 2 x 12 workpiece diameter at full load 130 mm tool length - max. 315 mm weight of tools max. 8 kg internal coolant system feed 40 bar control HEIDENHAIN Bjdpfxoy Tyzus Aphjdf control MillPlus iT table load capacity max. 500 kg total power requirement 52 kVA weight of the machine ca. 6,5 t dimensions of machine L x W x H 3,40 x 1,86 x 2,42 m Accessories: probe HEIDENHAIN, TS 640; electron. handwheel, mech. vice (jaw width 160 mm), chip conveyor, coolant with bandfilter

Condition: used, Year of construction: 1999, x-travel 600 mm y-travel 525 mm z-travel 500 mm table surface area 1000 x 543 mm spindle taper SK 40 spindle taper DIN 69871 spindle turning speed - stepless 20 - 12.000 U/min feed X/Y/Z-axis 20 - 10.000 mm/min Bjdpfxstqqmhe Aphjdf rapid traverse X/Y/Z axis 18 / 18 / 15 m/min table load max. 350 kg control HEIDENHAIN MillPlus milling-head swivable +/- 90 ° total power requirement 26 kVA weight of the machine ca. 4,2 t dimensions of machine L x W x H 2,95 x 2,1 x 2,26 m Accessories: various tool fixtures, coolant

Condition: used, Year of construction: 2009, travel distance X-axis: 1,250 mm, travel distance Y-axis: 1,000 mm, travel distance Z-axis: 1,000 mm, Offered here is a used machining center from the manufacturer Deckel Maho DMG. The machine is powered up and can be inspected at our facility. Free loaded on truck Manufacturer: DMG Deckel Maho Model: DMC 125 H duoBlock Year of manufacture: 2009 Control: Siemens 840 D Solutionline (PCU 50) Technical data: Travel distances X-, Y-, Z-axis: 1250 x 1000 x 1000 mm Feed rate X-, Y-, Z-axis: 20 - 60,000 mm/min Rapid traverse X-, Y-, Z-axis: 60 m/min Bjdpfx Aew Ew T Sjphjdf B-axis travel: 360 x 0.001° B-axis feed rate: 10,800 °/min Max. rotation of table plate: 30 rpm Spindle speed: 20 - 8,000 rpm Gear stages: 2 Max. workpiece diameter: 1250 mm Max. workpiece height: 1580 mm Clamping surface: 800 x 800 mm Max. workpiece weight: 1,500 kg Weight of pallet: 570 kg Max. permissible weight difference for pallet loading: 1,000 kg Tool holder: SK 50 according to DIN 69871 Max. tool length: 650 mm Tool magazine: 120 positions Transport dimensions: 6,500 x 3,000 x 3,200 mm Transport weight of machine (without magazine or other accessories): approx. 20,000 kg Space requirement: approx. 7,000 x 6,000 mm Total machine weight: 24,000 kg Accessories: Chip conveyor with coolant tank Coolant system 4x machine pallets Tool magazine Oil mist extraction Various new spare parts: 1x Length measuring system Y-axis (new) 1x Lubrication unit 230V 0.12 30 bar (new) 1x ZAHNRADP-AGG*MKF1-KW2-20036 (new) 1x Cyclo gearbox *F1C-A25 (new) 1x Conversion kit power module (new) 1x Lifting devices for the machine

Condition: good (used), Year of construction: 2003, travel distance X-axis: 1,060 mm, travel distance Y-axis: 710 mm, travel distance Z-axis: 710 mm, feed rate X-axis: 15,000 m/min, feed rate Y-axis: 15,000 m/min, feed rate Z-axis: 15,000 m/min, total height: 2,800 mm, total length: 3,200 mm, total width: 2,900 mm, table width: 800 mm, table length: 1,500 mm, table load: 550 kg, rotary table diameter: 800 mm, spindle motor power: 20,000 W, Chip conveyor 3D measuring probe Paper filtration IKZ 15 Bar Under power X - Travel: 1060mm Y - Travel: 710mm Z - Travel: 710mm A - Axis: 360000° Bsdpfx Aeym Sdyjphodf B - Axis: - 30 to + 120° Table Length: 1500mm Table Width: 800mm Table load: 550 Table Ø: 800mm Feed rate X-Axis: 15000mm/min. Feed rate Y-Axis: 15000mm/min. Feed rate Z-Axis: 15000mm/min. Spindle Taper: 40ISO/Bt/Mk Power on spindle: 20kW Speeds / ranges: 12000Rpm ATC / revolver: 32 Coolant through spindle / Bar:15 Number of controlled axis: 5 Chip conveyor: Yes Coolantsystem: Yes Length: 3200mm Width: 2900mm Height: 2800mm Weight: 9500kg Please Note: The information on this page has been obtained to the best of our ability and belief, and from the manufacturers where possible. It is given in good faith, but its accuracy can not be guaranteed. Accordingly, it will not form a representation or constitute contractual terms. We advise you to check any vital details!

Year of construction: 2001, operating hours: 26,266 h, condition: used, Colour: Grey Empty weight: 7.000 kg Dimensions (LxBxH): 350 x 220 x 240 cm Price: On request Milling machine, VMC Model: CNC Manufacturer: DMG / Deckel MAHO Type: DMU60T Year of manufacturing: 2001 Control: Heidenhain Working-hours: 26266 Travel: 630x560x560mm Spindle-speed: 10.000 rpm Table-dimensions: 1000x600mm Spindle-take: ISO40 Max. Workpiece-weight: 400kg Incl. Filter Interlit SK200-760 Incl. Automatic toolholder Incl. Documents Incl. Video available Machine-weight: 6700kg Machine-dimensions: 3500x2400x2200mm Bodpfx Asywt Nysphsdf - Year: 2001 - Documentation available: Yes - CE marking present: Yes - CE certificate present: No - Operating hours: 26266 - Drive system: CNC - Number of axes [pcs]: 3 - X-axis travel [mm]: 630 - Y-axis travel [mm]: 560 - Z-axis travel [mm]: 560 - Table length [mm]: 1000 - Table width [mm]: 600 - Tool holder: SK40 - Max. spindle speed [rpm]: 10000 - Options: External cooling, Tool magazine - Transport dimensions: 3500mm x 2200mm x 2400mm (l x w x h) - Transport weight [kg]: 7000kg - 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