Used Doosan Puma 3100Ly for sale (386)

Condition: like new (used), Year of construction: 2022, operating hours: 259 h, turning diameter over cross slide: 790 mm, turning length: 2,124 mm, turning diameter: 550 mm, spindle bore: 102 mm, spindle speed (max.): 3,000 rpm, spindle speed (min.): 30 rpm, travel distance X-axis: 352 mm, travel distance Z-axis: 2,155 mm, spindle motor power: 35 W, rapid traverse X-axis: 16 m/min, rapid traverse Z-axis: 20 m/min, 2-axis CNC lathe "DOOSAN DNS mod. PUMA 4100LA" with DN Solutions-Fanuc i-Plus iHMI CNC Godpfx Amsqrr Nwouoit

Condition: reconditioned (used), Year of construction: 2018, functionality: fully functional, turning length: 400 mm, turning diameter: 420 mm, spindle motor power: 22 W, spindle speed (min.): 30 rpm, spindle speed (max.): 3,000 rpm, travel distance X-axis: 268 mm, travel distance Z-axis: 488 mm, rapid traverse X-axis: 20 m/min, rapid traverse Z-axis: 24 m/min, type of input current: three-phase, total height: 3,210 mm, total length: 3,600 mm, total width: 1,900 mm, overall weight: 6,000 kg, Equipment: documentation/manual, rotational speed infinitely variable, USED ​​DOOSAN 3-axis CNC vertical lathe with live tools and C-axis Gedpfx Amox Sqafoueit

Condition: good (used), Year of construction: 2011, functionality: fully functional, turning length: 760 mm, turning diameter over cross slide: 780 mm, turning diameter: 376 mm, travel distance X-axis: 260 mm, travel distance Y-axis: 51 mm, travel distance Z-axis: 830 mm, rapid traverse X-axis: 30 m/min, rapid traverse Y-axis: 10 m/min, rapid traverse Z-axis: 30 m/min, rotational speed (max.): 4,000 rpm, Equipment: rotational speed infinitely variable, 6-axis CNC lathe with sub-spindle, driven tools and Y axis Gedjtvl U Hspfx Amuoit

Condition: excellent (used), Year of construction: 2006, functionality: fully functional, Controller: Fanuc 18i-TB Max turning diameter: 330 mm Max turning length: 510 mm Max diameter above bed: 330 mm Spindle power: 11 kW – 4000 rpm Number of turrets: 1 Number of tools: 12 Live tooling: Spindle speed range: 45–4500 rpm Y-axis travel: Typically around ±50 mm Live tool spindle power: 5.5 kW Giedpfxsx Ryrho Amujt Machine weight: 4,750 kg.

Condition: used, Year of construction: 2007, CNC lathe, 2 axes, Doosan Puma 300LC year 2007 Fanuc 21iTB with Manual Guide - Z-axis: 1330 mm Gjdpoymlh Ssfx Amusit - X-axis: 282 mm turning diameter: 400 mm turning length: 1280 mm Samchully 12 inch (315 mm) chuck spindle bore: 103 mm turret for 10 tools tailstock tool probe - chip conveyor - coolant tank with pump - machine documentation

Condition: used, TECHNICAL DETAILS - Number of axes : 2 MAIN SPINDLE - Spindle nose : A2-8" Gijdjxcbtzjpfx Amuot - Spindle power : 18.5 [kW] - Spindle speeds : 4000 [rpm] - Max. bar diameter : 76 [mm] - Max. turning diameter : 480 [mm] - Max. machining length : 760 [mm] - Max. diameter on bench : 780 [mm] TURRET - Number of positions : 12 - X/Z stroke : 260 x 830 [mm] - Rapid traverse rate : 30 [m/min] POWER SUPPLY - Supply voltage : 220 [V] - Total installed power : 40.72 [kVA] WEIGHT & DIMENSIONS - Machine floor space : 3.600 x 1.863 [mm] - Machine height : 1.900 [mm] - Machine weight : 5.500 [kg] MACHINE HOURS - Number of working hours : 21.818 [h] EQUIPMENT - CNC : Fanuc i Series - Coolant tank - Chips conveyor : DROITE - Electric transformer

Condition: used, TECHNICAL DETAILS - Number of axes : 2 Gsdpfexcbt Ijx Amuoit MAIN SPINDLE - Spindle nose : A2-8" - Spindle power : 18.5 [kW] - Spindle speeds : 4000 [rpm] - Max. bar diameter : 76 [mm] - Max. turning diameter : 480 [mm] - Max. machining length : 760 [mm] - Max. diameter on bench : 780 [mm] TURRET - Number of positions : 12 - X/Z stroke : 260 x 830 [mm] - Rapid traverse rate : 30 [m/min] POWER SUPPLY - Supply voltage : 220 [V] - Total installed power : 40.72 [kVA] WEIGHT & DIMENSIONS - Machine floor space : 3.600 x 1.863 [mm] - Machine height : 1.900 [mm] - Machine weight : 5.500 [kg] MACHINE HOURS - Number of working hours : 19.781 [h] EQUIPMENT - CNC : Fanuc i Series - Coolant tank - Chips conveyor : DROITE - Electric transformer

Condition: used, TECHNICAL DETAILS - Number of axes : 2 MAIN SPINDLE - Spindle nose : A2-8" - Spindle power : 18.5 [kW] Gedpfx Aoxcbthemuoit - Spindle speeds : 4000 [rpm] - Max. bar diameter : 76 [mm] - Max. turning diameter : 480 [mm] - Max. machining length : 760 [mm] - Max. diameter on bench : 780 [mm] TURRET - Number of positions : 12 - X/Z stroke : 260 x 830 [mm] - Rapid traverse rate : 30 [m/min] POWER SUPPLY - Supply voltage : 220 [V] - Total installed power : 40.72 [kVA] WEIGHT & DIMENSIONS - Machine floor space : 3.600 x 1.863 [mm] - Machine height : 1.900 [mm] - Machine weight : 5.500 [kg] MACHINE HOURS - Number of working hours : 21.471 [h] EQUIPMENT - CNC : Fanuc i Series - Coolant tank - Chips conveyor : DROITE - Electric transformer

Condition: used, TECHNICAL DETAILS - Number of axes : 2 MAIN SPINDLE - Spindle nose : A2-8" - Spindle power : 18.5 [kW] - Spindle speeds : 4000 [rpm] - Max. bar diameter : 76 [mm] - Max. turning diameter : 480 [mm] - Max. machining length : 760 [mm] - Max. diameter on bench : 780 [mm] TURRET - Number of positions : 12 - X/Z stroke : 260 x 830 [mm] - Rapid traverse rate : 30 [m/min] POWER SUPPLY - Supply voltage : 220 [V] - Total installed power : 40.72 [kVA] WEIGHT & DIMENSIONS - Machine floor space : 3.600 x 1.863 [mm] - Machine height : 1.900 [mm] - Machine weight : 5.500 [kg] Gisdpfx Aoxcbtusmujt MACHINE HOURS - Number of working hours : 21.725 [h] EQUIPMENT - CNC : Fanuc i Series - Coolant tank - Chips conveyor : DROITE - Electric transformer

Condition: used, TECHNICAL DETAILS - Number of axes : 2 MAIN SPINDLE - Spindle nose : A2-8" - Spindle power : 18.5 [kW] - Spindle speeds : 4000 [rpm] - Max. bar diameter : 76 [mm] - Max. turning diameter : 480 [mm] - Max. machining length : 760 [mm] - Max. diameter on bench : 780 [mm] TURRET - Number of positions : 12 - X/Z stroke : 260 x 830 [mm] - Rapid traverse rate : 30 [m/min] POWER SUPPLY - Supply voltage : 220 [V] - Total installed power : 40.72 [kVA] WEIGHT & DIMENSIONS - Machine floor space : 3.600 x 1.863 [mm] - Machine height : 1.900 [mm] - Machine weight : 5.500 [kg] MACHINE HOURS - Number of working hours : 19.428 [h] EQUIPMENT - CNC : Fanuc i Series Gjdpfsxcbtnox Amueit - Coolant tank - Chips conveyor : DROITE - Electric transformer

Condition: excellent (used), Year of construction: 2014, DOOSAN PUMA 2600LMB (2014) CNC LATHE WITH LIVE TOOLS AND “C” AXIS Z-1,350 CNC FANUC i Series 10.4” Color LCD EZ-Guide - Swing over bed: 780 mm - Swing over carriage: 630 mm - Max. turning diameter: 376 mm - Max. turning length: 1,245 mm - Travel: X 260 mm Z 1,350 mm - Chuck diameter: 380 mm - Bar capacity: 102 mm - Spindle nose: ASA-A2-11 - Headstock: 2,800 rpm, 22 kW - Driven turret: 12 stations BMT 65P* (Indexing 1 station 0.25 sec) - Live tools: 5.5 kW, 5,000 rpm - C axis indexing: 0.001 mm - Tailstock quill diameter/travel: 100 mm/100 mm EQUIPMENT INCLUDED: - Samchully HCH-15” 3-jaw hydraulic chuck, 380 mm diameter - C-axis 360° (0.001°) - Automatic tool presetter - Integrated tailstock - High-pressure pump - Chip conveyor - Preparation, base, and logic for steady rest - SMW AUTOBLOK SLU-3.1 hydraulic steady rest (20-165 mm) - Set of tool holders - Set of DOOSAN and FANUC manuals Giodpjyb Sryefx Amust CONDITION: Machine in good condition. Can be seen in operation. Immediate delivery.

Condition: used, Year of construction: 2001, Daewoo Puma V300 CNC Lathe Fanuc 18 – T Vertical lathe Daewoo PUMA V300 Year of installation: 2001 Kitagawa chuck, diameter 305 mm Max. swing diameter over bed: 550 mm Max. turning diameter: 410 mm Max. turning height: 420 mm Spindle speed: 2,500 rpm AC motor power (cont./30 min.): 18.5 kW Gedpfoyahy Djx Amujit Turret with 8 tools Drilling diameter: 50 mm Tool section: 25 mm Control: Fanuc Series 18-T Equipped with chip conveyor Complete with documentation

Condition: used, Year of construction: 2017, Doosan Puma GT3100LM Year of manufacture: 2017 Control: Fanuc 0i-TF Turning diameter: [mm] 376 Turning length [mm] 1245 Main spindle: Belt-driven spindle Max. spindle speed 2800 rpm Gsdexggktspfx Amujit Max. power 22 kW Max. torque 1124 Nm Bar capacity 102 mm 3-jaw chuck, Schunk ROTA THW plus 315-104 12-position turret BMT65 turret head Travel in X/Z axes 260/1350 mm

Condition: used, Year of construction: 2008, functionality: fully functional, turning length: 230 mm, turning diameter: 410 mm, travel distance X-axis: 210 mm, travel distance Y-axis: 230 mm, Doosan PUMA H-310/TM CNC horizontal lathe, year 2008, equipped with FANUC Series 18i-TB control, ideal for precision machining of medium-sized workpieces with dual turret machining capability. Main technical specifications: Maximum turning diameter: Ø 410 mm Maximum turning length: 230 mm Recommended turning diameter: Ø 255 mm Maximum distance between spindle centers: 500 mm Axis travels: X: 210 mm Z: 230 mm Rapid traverse X/Z: 24,000 mm/min Main spindle: Chuck: Ø 250 mm Spindle nose: ASA A2-8 Speed: 3,500 rpm Power: 15/18.5 kW Giodpfx Amowt S Ugsuet Turret system: Number of turrets: 2 Stations per turret: 12 Driven tools: Speed: 3,000 rpm Power: 4 kW Tool dimensions: 25x25 mm (turning) / Ø 40 mm (boring) Included accessories: Chip conveyor Coolant tank with washing pump External high-pressure pump Various fixed and driven tool holders Manuals, electrical diagrams, CE declaration Compact, versatile, and high-performance machine, perfect for multitasking machining in high-efficiency production environments.

Condition: excellent (used), Year of construction: 2017, operating hours: 5,816 h, functionality: fully functional, machine/vehicle number: MLO237-000571, turning length: 513 mm, turning diameter: 300 mm, spindle motor power: 18,500 W, spindle speed (max.): 4,500 rpm, travel distance X-axis: 230 mm, travel distance Y-axis: 360 mm, travel distance Z-axis: 580 mm, rapid traverse X-axis: 24 m/min, rapid traverse Y-axis: 200 m/min, rapid traverse Z-axis: 30 m/min, torque: 47 Nm, feed rate X-axis: 24 m/min, feed rate Y-axis: 200 m/min, feed rate Z-axis: 30 m/min, total height: 1,700 mm, bar diameter (max.): 65 mm, quill diameter: 80 mm, quill travel distance: 80 mm, swing diameter over bed slide: 600 mm, overall weight: 3,700 kg, spindle diameter: 210 mm, Equipment: documentation/manual, Explore this excellent condition, robust and versatile DOOSAN PUMA GT 2100M as a high-performance CNC Horizontal Turning Center with powerful Milling capabilities - C-AXIS, designed as a "global standard" machine for high-precision and complex part machining. Equipped with C-AXIS (offering enhanced Milling capabilities) and a generous 513 mm Turning Length, Fanuc I Control unit, 4500 RPM Spindle Speed, and a super robust 18,5 kW Motor, this turning machine offers precision, power and versatility for your turning needs. Committed to quality, durability, and efficiency, this Turning Center equipped with C-AXIS, is integral to various industries, such as aerospace, energy and automotive, meeting the rigorous demands of modern industrial production while maintaining the strong reputation for reliability. Manufacturer: DOOSAN Model: PUMA GT2100M Machine type: CNC Turning and Milling Center (C-AXIS) Condition: Excellent Condition - (Used) - Ready to use Year of construction: 2017 Cutting Time: 5816 hours Gedpfx Amjyuyhpsusit Category ID: 1128 Type ID: 2239 If you have any questions or need more information, feel free to send us a message or give us a call. Kind Regards, 0040 733 55 80 41

Condition: good (used), Year of construction: 2014, functionality: fully functional, turning length: 760 mm, turning diameter: 376 mm, spindle speed (max.): 3,500 rpm, quill diameter: 78 mm, overall weight: 6,000 kg, Equipment: documentation/manual, rotational speed infinitely variable, Main parameters: Controller: FANUC 0iD/31iA Chuck.: SAMCHULLY 10" Spindle bore: 86mm With jacket tube.:78mm Giodsykikxspfx Amust Turret head: 12 main positions 12 secondary positions, BMT65 connection, Programmable hydraulic tailstock: MT5 Main spindle power: 22kW S1max=3500 1/min Living tool power: 5.5kw S2max=5000 1/min X movement range: 260mm Z axis movement range: 830mm Y axis movement range: + - 52mm (104mm) C axis Maximum turning length: L=760 Largest turning diameter: D=376mm Fast travel speed: 30m/min Automatic tool measurement with probe arm Weight: 6000 kg

Condition: good (used), Year of construction: 2006, control FANUC 21i-TB Control x-axis 390 mm z-axis 780 mm spindle taper A2-11 number of spindle speeds 2000rpm engine output 37 kW weight of the machine ca. 9000 kg dimensions of the machine ca. 1905,0 × 2720,0 × 3260,0 m Gjdpfx Aovzln Romujit The machine has chucks that can produce gears from 100 to 500 mm. Special chuck is available

Condition: like new (used), Year of construction: 2022, functionality: fully functional, turning length: 725 mm, turning diameter over cross slide: 590 mm, turning diameter: 376 mm, spindle motor power: 30 W, spindle speed (max.): 2,800 rpm, spindle bore: 115 mm, travel distance X-axis: 280 mm, travel distance Z-axis: 830 mm, rapid traverse X-axis: 24 m/min, rapid traverse Z-axis: 30 m/min, torque: 1,112 Nm, bar passage: 103 mm, bar diameter (max.): 103 mm, quill stroke: 100 mm, quill diameter: 100 mm, quill travel distance: 100 mm, swing diameter over cross slide: 590 mm, spindle nose: A 2-11, swing diameter over bed slide: 720 mm, feed force X-axis: 9,465 N, feed force Z-axis: 17,379 N, Equipment: documentation/manual, rotational speed infinitely variable, As-new machine, only used for commissioning and combined with a Universal BIG 70 LoadAssistant holder. Can also be purchased separately. Godpfx Aeyud Uaemujit

Condition: used, Year of construction: 2011, For sale: 1 CNC lathe Doosan PUMA2100MS, year of manufacture 2011, including bar feeder, chuck, and tool holders. The machines are in very good condition, have been regularly serviced, and are ready for immediate use. They impress with their precision, reliability, and compact design – ideal for series production. Gijdpfoxdwaysx Amust

Condition: excellent (used), turning diameter over cross slide: 300 mm, turning length: 510 mm, Model: 2100 LYB Control: Fanuc i Series Year: 2019 Turning Diameter: 300mm Turning Length: 510mm ‘X’ Axis Travel: 205mm ‘Y’ Axis Travel: 105mm ‘Z’ Axis Travel: 560mm Spindle Speed: 4500 RPM Spindle Power: 15KW Spindle Torque: 169N-M Machine With: 200mm Power Chuck Gedpfx Amsy N Uqioujit Driven Tools (1-AxiaL -1- Radial) Tool Eye Parts Catcher Filtermist Dimensions: 2880 x 1711 x 1921 High Weight: 3900 Kgs

Condition: excellent (used), Year of construction: 2011, functionality: fully functional, travel distance X-axis: 1,270 mm, travel distance Y-axis: 670 mm, travel distance Z-axis: 625 mm, rapid traverse X-axis: 36 m/min, rapid traverse Y-axis: 36 m/min, rapid traverse Z-axis: 30 m/min, feed length X-axis: 1,270 mm, feed length Y-axis: 670 mm, feed length Z-axis: 625 mm, nominal power (apparent): 37 kVA, controller manufacturer: Fanuc, controller model: i Series, workpiece weight (max.): 1,000 kg, total height: 2,815 mm, total length: 3,350 mm, total width: 3,760 mm, table width: 650 mm, table length: 1,300 mm, table load: 1,000 kg, overall weight: 8,500 kg, spindle speed (max.): 12,000 rpm, coolant supply: 20 bar, spindle nose: BT40, number of spindles: 1, number of slots in tool magazine: 30, tool length: 300 mm, tool diameter: 125 mm, tool weight: 8 g, input voltage: 400 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, Doosan DNM 650 Vertical Machining Centre – 2011 Fanuc i-Series Control | 12,000 RPM | 4th Axis Ready 2011 Doosan DNM 650 Vertical Machining Centre with Fanuc i-Series control. 12,000 RPM BT40 spindle, rebuilt spindle, 4th axis ready, 30-tool ATC, TSC, chiller & swarf conveyor. Available from Used Machine Tools Ireland. Manufacturer: Doosan Model: DNM 650 Machine Type: 3 Axis Vertical Machining Centre with 4th Axis preparation Year: 2011 Control: Fanuc i Series Condition: Very Good - spindle rebuilt in 2026 Availability: March 2026 We are pleased to offer this 2011 Doosan DNM 650 Vertical Machining Centre, a highly regarded and extremely rigid VMC, ideal for precision subcontract machining, toolmaking, and production environments. This machine is equipped with a Fanuc i-Series control and benefits from a newly rebuilt spindle, ensuring excellent performance, reliability, and long service life. The machine is prepared for a 4th axis with Nikken interface, making it an ideal platform for future rotary or multi-axis work. Key Specifications Manufacturer: Doosan Model: DNM 650 Year: 2011 Control: Fanuc i-Series Spindle Speed: 12,000 RPM Tool Taper: BT 40 X / Y / Z Travels: 1270 / 670 / 625 mm Table Size: 1300 × 650 mm Maximum Table Load: 1000 kg Rapid Traverse Rates: X / Y: 36 m/min Z: 30 m/min ATC: 30 Places Max Tool Diameter: Ø80 mm with adjacent tools / Ø125 mm without Max Tool Length: 300mm Max Tool Weight: 8 kg Machine Dimensions (Approx): 2760 x 3350 x 2815mm Machine Weight (Approx): 8500kg Features & Equipment Godpfx Ajyfh Ixsmusit Newly rebuilt spindle Nikken 4th Axis preparation 30-station Automatic Tool Changer (ATC) 20 bar through-spindle coolant (TSC) Coolant chiller LNS swarf conveyor Data server / networking capability Fully enclosed, heavy-duty construction Please Note No tool holders, vices, or swarf bin included Ideal For Precision engineering CNC subcontract machining Automotive & aerospace components General and high-speed milling applications The Doosan DNM 650 is known for its exceptional rigidity, accuracy, and reliability, making it one of the most popular vertical machining centres in its class. Notes: *Specifications are given in good faith but not guaranteed*

Condition: used, Year of construction: 2018, 2018 Doosan 2100 A CNC Turning Centre in excellent condition with 12-position turret, LNS barfeed, swarf conveyor, parts catcher, tool setter, and tooling package. Machine Specification: ----- TRAVELS X Axis Rapid Traverse: 30 m/min Z Axis Rapid Traverse: 36 m/min Travel (X Axis): 205 mm Travel (Z Axis): 340 mm ----- SPINDLE Max. Spindle Speed: 6000 r/min Max. Spindle Power: 15 kW Max. Spindle Torque: 127 N·m ----- TURRET Number of Tool Stations: 12 ----- CAPACITY Chuck Size: 6” Bar Capacity: 51 mm Gisdpfey Hiygox Amujt Maximum Turning Diameter: 350 mm Maximum Turning Length: 330 mm MACHINE SIZE Length 2320mm Width 1595mm Height 1693mm Weight 3100kg ----- ACCESSORIES LNS Barfeed Swarf Conveyor Parts Catcher Tool Setter Tooling Package Control: 2018 Spec: Spindle bore 51 mm | Max Swing mm | Travel X 205 Z 340 mm Accessories: Barfeed, Swarf conveyor, parts catcher, tool setter, Tooling package

Condition: used, Year of construction: 2004, Doosan Mecatec S550LM Slant Bed CNC Lathe with Fanuc Series 21i – TB CNC Control, Swing Over Bed 710, Distance between both Centres 1230mm, Max Turning Diameter 480mm, Max Turning Length 1130mm, Spindle Speeds 30 – 2500rpm, 12 Tools VDI40 Turret, X Axis Travel 300mm, Z Axis Travel 1150mm, Live Driven Tools, C Axis, Machine Weight 8000kg. S/No. LNY – 1008 (2004). Country of Origin: Korea Giedpfxey Idbzo Amuet Location: This lot is located in Birmingham, UK. A charge of £550 for dismantling and loading onto suitable transport will be automatically added to your invoice should you be successful in purchasing this item. Blocking and securing will be at the cost of the purchaser.

Condition: used, Year of construction: 2009, Doosan Mynx 750/50 4 Axis Vertical Machining Centre with Fanuc Series 21i-MB CNC Control, Kitagawa MR320RAE04 4th Axis Unit 310mm 3 Jaw Chuck, Table Size 1600mm x 750mm, 40 Tool ATC, BT50 Spindle Taper, Filtermist FX7002 Oil Mist Extractor, Kaukan Chiller Unit, Profluid MCF 20 Coolant Pressure Filter Unit, Machine Weight 13500kg. S/No. MYNX 7500373 (2009) Includes Work Bench, Vice and Various BT50 Spindle Tool Holders. Country of Origin: Korea Gijdjy Ic Duspfx Amujt Location: This lot is located in Birmingham, UK. A charge of £550 for dismantling and loading onto suitable transport will be automatically added to your invoice should you be successful in purchasing this item. Blocking and securing will be at the cost of the purchaser.

Condition: used, Year of construction: 2014, operating hours: 5,079 h, lifting height: 4,320 mm, free lift: 1,480 mm, fuel type: gas, mast type: triplex, fork length: 1,190 mm, fork width: 1,080 mm, total height: 2,190 mm, total length: 2,810 mm, total width: 1,250 mm, color: grey, Empty weight: 5.152 kg Lifting capacity: 3.500 kg - Year: 2014 - Documentation available: Yes - CE marking present: Yes - CE certificate present: No - Serial number: FGA0E-1290-01085 - Operating hours: 5079 - Lifting capacity: 3500kg - Lifting height: 4320mm - Overhead clearance: 2180mm - Free lift: 1480mm - Fork length: 1190mm - Maximum fork width: 1080mm - Minimum fork width: 260mm - Number of wheels: 4 Wheels - Attachment: Side-shift - Options: Work lights, Half cabin, Free-lift - Mast: Triplex - Drive: LPG - Motor brand: GM Giedpfx Amsyx H Ryjust - Transport dimensions: 2810mm x 1255mm x 2190mm (l x w x h) - Transport weight [kg]: 5152kg - 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 Tess van den Boom