Used Saw Milling for sale (14,785)

Condition: used, Year of construction: 2013, functionality: fully functional, cutting height (max.): 310 mm, cutting width (max.): 520 mm, Equipment: CE marking, documentation/manual, Behringer HBP 310-523 GA NA 300 PC, manufactured in 2013, with extensive equipment: PHOTOS will follow! - Powered infeed conveyor with cross transport - 3000 mm feed gripper with single-stroke, rotating movement Laedszdq Hmspfx Anxog - Double miter saw - Powered outfeed conveyor with hydraulically pivoting bridge - Pusher on fixed supports - General technical data in the appendix This CNC-controlled sawing system is ideally suited for steel trading, mechanical engineering, and metal construction. Lengths, miter cuts on both sides, and material removal – all automatic.

Condition: new, Year of construction: 2026, PROMOTION. We will accept any Eisele circular saw in trade, regardless of its condition. In return, you will receive a new machine at a fixed price, depending on the model. Please contact us, and we will be happy to provide you with a quote. Laedsz Aygyjpfx Anxjg VMS 350 & VMS 370, while supplies last.

Condition: ready for operation (used), Year of construction: 2010, operating hours: 30,343 h, travel distance X-axis: 600 mm, controller manufacturer: SIEMENS, controller model: 840D, spindle speed (max.): 12,000 rpm, number of axes: 5, This 5-axis CHIRON Mill 2000 was manufactured in 2010. It features a Siemens 840D NC control and a robust main spindle motor by Siemens. The machine has a total of 3,129,425 tool changes, showcasing its efficiency in production. If you are looking to get high-quality machining capabilities, consider the CHIRON Mill 2000 vertical machining centre we have for sale. Contact us for further details. - Operating Hours (Main Switch On): 67,030 h 12 min- Operating Hours (Machine Fully Switched On): 45,945 h 26 min- Operating Hours (Automatic Production Mode): 30,343 h 56 min- Main Spindle Running Hours: 18,096 h 58 min- Total Tool Changes: 3,129,425- NC Control Manufacturer: Siemens- NC Control Type: 840D- Main Spindle Manufacturer: Fa. Chiron- Main Spindle Motor Manufacturer: Siemens- Main Spindle Motor Type: 1 PM 6105-2 LZ 84-9 EM 1-Z- 4th Axis Manufacturer: Fa. Peiseler- 4th Axis Type: ZAS160- 4th Axis Counter Bearing: Peiseler GP MK3- 5th Axis Manufacturer: Fa. Peiseler- 5th Axis Type: ZAS160- 5th Axis Counter Bearing: Peiseler GP MK3 - Substructure (Base Frame) Manufacturer: Hamül- Substructure (Base Frame) Type: L- Machine Structure Manufacturer: Chiron- Hydraulics Manufacturer: FMB- Hydraulics Type: 3116265- Cooling Unit (Chiller) Manufacturer: Hyfra- Cooling Unit (Chiller) Type: VWK90-D0- Central Lubrication Manufacturer: SKF- Central Lubrication Type: KAF1-M-W-S3+924- Control Cabinet Cooler Manufacturer: Rittal- Control Cabinet Cooler Type: SK3304142- Extraction System Manufacturer: Umwelttechnik 99- Extraction System Type: LCF-3000- Fire Extinguishing System Manufacturer: Total Walther- Fire Extinguishing System Type: (UE-03)K8- Coolant System 2 Manufacturer: Bürener Maschinenfabrik- Coolant System 2 Type: 001300000170- Chip Conveyor Manufacturer: Knoll- Chip Conveyor Type: 750K-1150/- X-Axis Motor Manufacturer: Siemens- Tool Magazine Chain Motor Manufacturer: Siemens- Tool Magazine Chain Motor Type: 1 FT 6034-4 AK 71-3 EA 1- Tool Magazine Linear Motor Manufacturer: Siemens- Tool Magazine Linear Motor Type: 1 FK 7063-5 AF 71-1 EH 2- Chip Conveyor Screw Motor Manufacturer: Bauer- Chip Conveyor Screw Motor Type: BS04-71V/D06LA4 Ledpfx Ajz Eai Rsnxjag

Condition: used, Year of construction: 2013, operating hours: 13,672 h, total height: 2,450 mm, total length: 5,000 mm, total width: 2,200 mm, Empty weight: 9.000 kg Price: On request - Year: 2013 - Documentation available: Yes - CE marking present: Yes - CE certificate present: No - Serial number: 1237361A51A - Operating hours: 13672 - Drive system: CNC - Horizontal/vertical: vertical - Control system brand: Fanuc - Control system type: 0-MD - Power [kW]: 11.0 - Number of axes [pcs]: 3 - X-axis travel [mm]: 610 - Y-axis travel [mm]: 430 - Z-axis travel [mm]: 570 Ledsyzzrkspfx Anxoag - Table length [mm]: 650 - Table width [mm]: 450 - Tool holder: BT40 - Main spindle power [kW]: 15 - Max. spindle speed [rpm]: 10000 - Options: Tool magazine, Chip conveyor, Spindle cooling, Pallet milling machine, Exchange table, External cooling - └ Tool magazine [pcs.]: 24 - Transport dimensions: 5000mm x 2200mm x 2450mm (l x w x h) - Transport weight [kg]: 9000kg - Transport packages [pcs.]: 2 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: 21,000 mm, total height: 2,750 mm, total width: 2,550 mm, Colour: Blue Weight: 8.000 kg Price: On request - Details: Laedpoyy Nnqjfx Anxog - └ Description: Available by 05-2026 (depending on delivery of new machine) - Year: 2004 - Documentation available: Yes - CE marking present: Yes - CE certificate present: Yes - Serial number: 9076 - Main motor power: 15 - Control system: Windows 10 - Max. saw width: 450 - Max. saw height: 160 - Infeed table length: 8200 - Outfeed table length: 8900 - Max. infeed length: 8000 - Opstellengte [mm]: 23000 - Opstelbreedte [mm]: 5200 - Opstelhoogte [mm]: 2700 - Veiligheidsvoorziening: Safety light curtain, Enclosed fence - Options: Waste conveyor belt, Label printer, Marking pen - Voltage [V]: 400 - Fuse [A]: 63 - Power [kW]: 15.0 - Transport dimensions: 21000mm x 2550mm x 2750mm (l x w x h) - Transport weight [kg]: 8000kg - Transport packages [pcs.]: 3 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 Yorick Diebels

Condition: used, total height: 2,000 mm, total width: 1,400 mm, total length: 1,950 mm, Colour: Grey Empty weight: 3.000 kg - Documentation available: Yes - CE certificate present: No - Drive system: Conventional - X-axis travel [mm]: 1000 - Y-axis travel [mm]: 220 - Z-axis travel [mm]: 450 - B-axis rotation [°]: 360 - Table length [mm]: 1300 - Table width [mm]: 300 - Min. spindle speed [rpm]: 31.5 - Max. spindle speed [rpm]: 2000 - Tools included: Yes - Transport dimensions: 1950mm x 1400mm x 2000mm (l x w x h) - Transport weight [kg]: 3000kg - 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 Lodjyym Rcspfx Anxjag

Condition: used, Year of construction: 1967, total height: 2,000 mm, total width: 1,500 mm, total length: 1,800 mm, Colour: Grey Empty weight: 3.000 kg - Year: 1967 - Documentation available: Yes - CE certificate present: No - Serial number: 2166 - Drive system: Conventional Lodpfx Ajyym Rienxsag - Horizontal/vertical: vertical - Power [kW]: 4.5 - Number of axes [pcs]: 3 - X-axis travel [mm]: 900 - Y-axis travel [mm]: 220 - Z-axis travel [mm]: 380 - B-axis rotation [°]: 360 - Table length [mm]: 1300 - Table width [mm]: 300 - Tool holder: ISO40 - Main spindle power [kW]: 3.5 - Min. spindle speed [rpm]: 40 - Max. spindle speed [rpm]: 1360 - Transport dimensions: 1800mm x 1500mm x 2000mm (l x w x h) - Transport weight [kg]: 3000kg - 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: good (used), total length: 2,500 mm, stable, well-functioning machine with drive unit. Lsdpjz Dfy Ssfx Anxoag axle 50mm.

Condition: new, Year of construction: 2025, functionality: fully functional, power: 5.2 kW (7.07 HP), cutting height (max.): 410 mm, BEHRINGER HBE 411 A – Dynamic, NEW MACHINE! THE BEST DEAL! Manual positioning 18 Cutting monitoring 22 Saw drive 5.2 kW 50-2 Chip conveyor 100 5 Micro 250 Package clamping device 440 Bar start detection 535 Retract cylinder 550 Clamping pressure regulation 832 Line laser 940 Lighting 941 Cutting channel extension Behringer new machines: Come, see, and buy! Ledpfez Atfvex Anxeag Immediately available from stock Warranty from date of purchase Do you have a machine breakdown? We offer quick replacements Delivery and installation available upon request Immediately available from stock

Condition: used, Year of construction: 1933, x-travel 1600 mm y-travel 1259 mm z-travel 1500 mm tool adaptor SK 50 weight 10,5 t output 49 kw feed 6000 m/min control Heidenhein 151 1600 min table: 1250-1400 mm serial number 1933 Lsdpfx Ansz Aun Sexjag weight of the machine ca. 10,5 t

Condition: used, Year of construction: 1990, bore capacity in steel (diameter) 35 mm x-travel 450 mm y-travel 250 mm z-travel 500 mm Ledpfsz Aunxjx Anxsag digital ja Dimensions (L/W/H) 1,2 / 1,1 / 1,95. mm thread dia. 24 mm weight of the machine ca. 800 kg

Condition: used, Year of construction: 2012, functionality: fully functional, Control system: Matrix II Travel ranges: X-axis 207 mm X2-axis 141 mm Y-axis 100 mm Y2-axis 70 mm Z-axis 760 mm Z2-axis 815 mm Main spindle: Drive power 22 kW Max. spindle speed 5,000 rpm Spindle nose A2-6 Counter spindle: Drive power 22 kW Max. spindle speed 5,000 rpm Spindle nose A2-6 Tool turret: Number of tool positions 24 Max. speed of driven tools 6,000 rpm Tool stations 24 Driven tool stations 24 2 pcs. 12-position turret Max. turning diameter: Max. turning diameter (upper turret) 344 mm Max. turning diameter (lower turret) 210 mm Max. swing diameter: Max. swing diameter (upper turret) 370 mm Max. swing diameter (lower turret) 320 mm Additional equipment: Bar feeder LNS Robot interface Automatic door Tool setter on the right and left Chip conveyor, discharge to the right Separate coolant system 15 bar high-pressure pumps Coolant temperature control Lasdpfx Anjz Dtmgsxog

Condition: used, Year of construction: 1993, functionality: fully functional, Semi-automatic miter circular saw Manufacturer: Eisele, Model: PSU 450 H Year of manufacture: 1993 Technical data Manufacturer: Eisele Model: PSU 450 H Year of manufacture: 1993 Saw blade diameter: 450 mm Cutting diameter: 150 mm Total power consumption: 3.0 / 3.6 kW Voltage: 380 V, 50 Hz Speeds min-1: Gearbox 6 / 12 / 24 / 48 min-1 Motor: 1400 / 2800 min-1 Lajdpfoz Dgrisx Anxog Machine dimensions: L 1 x W 1.4 x H 1.9 m + roller conveyor Machine weight: approx. 1.5 t Equipment • Miter setting with fixed stops at 30°, 45° and 90° • Hydraulic clamping device • 2 hydraulic retraction arms • Motorized miter setting • Roller conveyor on the left: 2 m • Roller conveyor on the right with stop: 2 m • Stepless cutting speed adjustment • Coolant system All information is subject to change without notice. A demonstration is possible at any time in our showroom.

Condition: good (used), Year of construction: 2010, Striebig Panel Saw Compact 5220, Year of Manufacture 2010 Robust, self-supporting, firmly welded, and torsion-resistant saw frame Stable, durable saw beam steel construction Robust bearing of the motor carriage ensures high cutting accuracy Powerful, low-vibration 3.9 kW motor (5.3 HP) TRK dust extraction system Automatically adjusting aluminum slat grid with plastic supports Device for wall mounting Ball-bearing support rollers Split center support at optimal working height, with aluminum grid Integrated small parts support made of wood Supersilent sound insulation to reduce saw blade noise Electromagnetic motor brake Saw weight approx. 910 kg Cutting depth 60 mm Saw motor power 3.9 kW (5.3 HP) Saw blade diameter 250 mm Saw blade bore 30 mm *1 Emission sound pressure level at the workplace LpA 82 dB *2 Saw blade speed 5250 rpm 2 dust extraction ports ø 100 mm Connection value 4.8 kW Mains connection 3 x 400 V / 50 Hz Cutting range: L: 4600; Hvertical: 2200 mm, Hhorizontal: 2100 mm Equipment: - Compact 5220 - Strip fence Lajdpszhx A Rsfx Anxjg - Mechanically braked support rollers - Freestanding support complete Location: Available from stock in 54634 Bitburg - immediately available -

Condition: excellent (used), Year of construction: 1990, ALTENDORF F45 tilting circular saw with scoring unit Scoring unit Double roller carriage, tilting, parallel fence Extension table, table extension, anodized aluminum, table widening, anodized aluminum, upper guard, narrow and wide ----- Technical data ----- Tilting range: 45°, carriage length: 3,200 mm, cutting width: 1,250 mm, max. saw blade diameter: 450 mm, Lodpezipw Ijfx Anxjag motor power: 5.5 kW, 3 speeds dust extraction port diameter: 80 / 120 mm Location: in stock at 54634 Bitburg - immediately available -

Condition: like new (used), Year of construction: 2024, Wegoma double miter saw with 3-axis control Double miter saw DS140 Working length 4000 mm, hydropneumatic saw feed Pneumatic swivel 45°/90°/45° 4 clamping cylinders, pneumatic 2 carbide-tipped saw blades 500 x 80 mm Left saw head fixed, right saw head movable Digital display Positioning control EPS 220 For double miter saws, including EPS220 control for precise length positioning. With industrial touch panel 15 inches (dust and splash-proof) Display for manual input of cutting data or via data set integration - Ethernet connection 10/100 (TCP/IP) Ledpfxszhx A Do Anxjag - USB interface - Data transfer via USB or network possible. - Interface to measuring ruler incl. interface software. Incl. control cabinet, motor, and software licenses. - Short and long cut setting - Automatic cutting (can only be activated via software in conjunction with entry protection) Positioning electronics for stepless automatic swivel from 45° to 135° 4.00 92062530 Feed roller conveyor 3 meters for DS mounted on the mobile unit Machine immediately available Ex works

Condition: excellent (used), Year of construction: 1998, Equipment: CE marking, documentation/manual, saw blade guard, scorer, Sled length: 3400 mm Cutting width at the rip fence: 1350 mm Cutting width at the crosscut fence: 3200 mm Cutting depth: 145 mm Scoring saw: yes Laedpjzq Srkefx Anxog With electromotive height and lateral adjustment Rapido scoring system for stepless cutting width adjustment Adjustment range 2.8 - 3.8 mm including scoring saw blade Height adjustment of saw blade: electric Swivel adjustment of saw blade: electric Adjustment of rip fence: manual Adjustment of crosscut fence: manual Display of saw blade angle: digital display Display of rip fence: scale Display of crosscut line: scale Saw blade diameter: 450 mm Speeds: 4 Motor power: 5.5 kW Palin parallel cutting device as an add-on unit with miter adjustment with display on the sliding table Dust extraction connection: 80 and 120 mm Machine length: 3400 mm Machine width: 2200 mm Weight: 1200 kg Location: in stock at 54634 Bitburg - immediately available -

Condition: good (used), Year of construction: 2002, Striebig panel saw Evolution 6224, manufactured in 2002 Type 6224 Year of manufacture: 2002 Motor: 5.5 kW Cutting length: approx. 5300 mm Cutting height: approx. 2100 / 2240 mm Digital display in the Y-axis Center support Cutting depth: 80 cm Saw blade diameter: approx. 303 mm Wall mounting Adjustable slat grid Wooden back panel Dust extraction connection: D 120 mm Space requirement: approx. 6300 mm x 1250 mm x 2720 mm Weight: approx. 1200 kg Total connected load: approx. 5.5 kW Ljdszuyf Tspfx Anxoag Location: available from warehouse 54634 Bitburg, free loading, unpacked Handover in the current condition as inspected without warranty

Condition: used, Year of construction: 2015, total length: 2,100 mm, total width: 900 mm, total height: 1,050 mm, Colour: White Weight: 250 kg - Details: - └ Description: Front-wheel drive not available - Year: 2015 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: KK/126675 - Main motor power [kW]: 3.0 - Max. cutting height [mm]: 100 - Parallel stop displacement [mm]: 1300 - Roller table length [mm]: 840 - Table width [mm]: 560 - Min. saw blade diameter [mm]: 250 - Max. saw blade diameter [mm]: 315 - Arbor saw blade diameter [mm]: 30 - Dust extraction nozzle diameter [mm]: 120 - Schuinstelbare zaagaggregaat: - └ Min. tilt adjustable [°]: 45 - └ Max. adjustable [°]: 90 - └ Cutting height at 45° [mm]: 70 - Voltage [V]: 400 - Current consumption [A]: 10 - Fuse [A]: 16 - Power [kW]: 3.0 - Transport dimensions: 2100mm x 900mm x 1050mm (l x w x h) - Transport weight [kg]: 250kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Ledpezrkxrefx Anxoag Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: used, Year of construction: 2000, total height: 2,400 mm, total length: 2,700 mm, total width: 2,350 mm, Colour: White Empty weight: 5.000 kg CNC Digital type: UNIMAX Number of axes: 3 Travel x: 1020mm Travel y: 510mm Travel z: 610mm Lasdpszrxvlsfx Anxsg Min. Spindle speed: 80rpm Max. Spindle speed: 8000rpm Table: 1220x510mm Motor power: 15kw - Year: 2000 - Documentation available: Yes - CE marking present: Yes - CE certificate present: No - Serial number: 06584 - Drive system: CNC - Horizontal/vertical: vertical - Control system brand: Hurco - Control system type: Ultimax - Power [kW]: 15.0 - Number of axes [pcs]: 3 - X-axis travel [mm]: 1020 - Y-axis travel [mm]: 510 - Z-axis travel [mm]: 610 - Table length [mm]: 1220 - Table width [mm]: 510 - Min. spindle speed [rpm]: 80 - Max. spindle speed [rpm]: 8000 - Transport dimensions: 2700mm x 2350mm x 2400mm (l x w x h) - Transport weight [kg]: 5000kg - 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: 1998, Used machine Year of manufacture: 1998 Equipment and technical data: Cutting length: 5300 mm Cutting height: 2200 mm with Super Cut scoring device Includes: intermediate workpiece support on 3 supports Includes: 2 units of longitudinal stop with manual scale Lsdpfx Aez Dyd Ejnxjag Availability: short-term Location: Flörsheim

Condition: used, Year of construction: 2020, Used machine Year of manufacture: 2020 Circular saw unit, 0° - 46° swivel, maintenance-free, Saw blade diameter: 250-550mm Maximum cutting height: 200mm Saw blade arbor: 30mm Undertable extraction port: 120mm Parallel fence with fine adjustment Fence ruler length: 1200mm, swiveling Extension table: 1250x650mm Cutting length: 2800/3200mm Crosscut fence: 3200mm, swiveling 90-45°, 2 fence jaws Kappa 550 control with programmable angle and height positioning, automatic cutting height correction when swiveling. 3-line LED display for height, angle and speed Circular saw table extension up to 1620mm behind the saw arbor, anodized aluminum On/off switch on the sliding table Sliding table: 3200mm, anodized 10 years Felder warranty on "X-Roll" Laedpfxjz Dyfco Anxeg Swivel mechanism for extension table Cutting width: 1250mm Upper guard cutting width: 1250mm Extraction port: 100mm Electrical system Kappa 550, 3x400V 50Hz CE, 10 KW S6 with star-delta starter 3 speeds: 3000/4000/5000 rpm Quick View Location: Flörsheim Availability: short notice

Condition: used, Year of construction: 2015, Colour: White Weight: 4.000 kg - Year: 2015 - Documentation available: Yes - └ Type Documentation: Technical data, Assembly manual, User manual, Operating system - CE marking present: Yes - CE certificate present: No - Serial number: AE/034421 - Main motor power [kW]: 9.0 Laodpezzb I Nefx Anxjg - Software: Wincut 12.2.9 - Saw blade bore diameter [mm]: 80 - Max. saw blade diameter [mm]: 320 - Max. cutting length [mm]: 4150 - Max. cutting width [mm]: 2200 - Max. cutting height [mm]: 67 - Spindle speed: - └ Min. spindle speed [rpm]: 1000 - └ Max. spindle speed [rpm]: 5000 - └ Spindle speed control: Variable - Voltage [V]: 400 - Current consumption [A]: 21 - Fuse [A]: 32 - Power [kW]: 8.4 - Transport weight [kg]: 4000kg - Transport packages [pcs.]: 4 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 Yorick Diebels

Condition: used, Year of construction: 2005, total height: 2,500 mm, total length: 7,500 mm, total width: 3,700 mm, Colour: Grey Empty weight: 9.600 kg Price: On request - Year: 2005 - Documentation available: Yes - CE marking present: Yes - CE certificate present: No - Drive system: CNC - Horizontal/vertical: vertical - Control system brand: Siemens - Power [kW]: 24.0 - Number of axes [pcs]: 4 - X-axis travel [mm]: 2000 - Y-axis travel [mm]: 500 - Z-axis travel [mm]: 550 - C-axis rotation [°]: 360 - Table length [mm]: 2600 - Table width [mm]: 550 - Tool holder: ISO40 - Main spindle power [kW]: 22 - Min. spindle speed [rpm]: 20 - Max. spindle speed [rpm]: 12000 Lajdpfx Anozkudcsxog - Positioning accuracy [mm]: 0.01 - Travel speed [mm/s]: 667 - Options: Tool magazine, Chip conveyor, External cooling - Transport dimensions: 7500mm x 3700mm x 2500mm (l x w x h) - Transport weight [kg]: 9600kg - Transport packages [pcs.]: 2 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: 1969, total height: 2,000 mm, total width: 2,300 mm, total length: 2,000 mm, Colour: Grey Empty weight: 3.800 kg Lajdeyzhdmjpfx Anxjg - Year: 1969 - Documentation available: No - CE certificate present: No - Serial number: 9327 - Drive system: Conventional - Horizontal/vertical: Horizontal and vertical - Number of axes [pcs]: 3 - X-axis travel [mm]: 1000 - Y-axis travel [mm]: 420 - Z-axis travel [mm]: 710 - Table length [mm]: 1520 - Table width [mm]: 385 - Tool holder: ISO50 - Main spindle power [kW]: 11 - Min. spindle speed [rpm]: 25 - Max. spindle speed [rpm]: 2000 - Transport dimensions: 2000mm x 2300mm x 2000mm (l x w x h) - Transport weight [kg]: 3800kg - 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