Used Kelch Arbor (27953) for sale (515)

Condition: good (used), Used fine boring head, manufacturer GEWEFA No. / Type 07 026 015 / 50 X 160 --- and --- No. / Type 07 026 012 / 40 X 160 Hjdezadamepfx Aguon

Condition: new, Universal milling machine Make: OPTimill Model: MT 50 Item no.: 3336005 Condition: New machine Travels: - X-axis 580 mm - Y-axis 200 mm - Z-axis 340 mm serially equipped with: Hedpfxjbnfxue Aguen - 3-A digital readout DPA 31 PLUS - Automatic feed in X-axis - Long milling arbor 16 mm - Mandrel long 22 mm - Drill chuck holder B 18 - Gear rim drill chuck 3-16 mm/B 18 - Reducing chuck MK 2 with drive-out slot - Reducing sleeve MK 3 with drive-out slot - Machine light - Coolant device - Operating tool - Operating instructions

Condition: good (used), Year of construction: 1975, Deckel FP2 FPS retrofitted tool milling machine with a 3-axis Heidenhain digital display. The machine is in good condition and comes from a training department. It features a fixed table, electrically interlocked milling head guard, and an SK 40 spindle mount. Accessories include various collets and milling arbors. It is in good, operational condition. A demonstration under power can be arranged. Hjdpfxezac Sbs Agujn

Condition: ready for operation (used), Year of construction: 1981, functionality: fully functional, grinding length: 2,500 mm, grinding wheel diameter: 600 mm, grinding diameter: 450 mm, workpiece length between centers: 2,500 mm, grinding wheel width: 80 mm, No minimum price – guaranteed sale to the highest bidder! The machine was overhauled in 2025. The following work was carried out: Inspection of the lubrication system and the hydraulic system Geometric alignment of all axes by grinding the table and scraping the guides Replacement of the bearings Inspection of the spindle housing for the workpiece Inspection of the spindle housing for the grinding tool Inspection of the electrical system (conversion from fuse links to new circuit breakers) Installation of a central emergency stop button in the control panel Installation of work area lighting Cleaning of the machine Replacement of the guide covers Installation of a digital axis display for the X-axis Overhaul of the cooling system Honing and replacement of the seals in the cylinder Repair of the valve block TECHNICAL DETAILS Grinding length: 2,500 mm Grinding wheel diameter: 600 mm Grinding diameter: 450 mm Distance between centers: 2,500 mm Workpiece diameter between centers: 450 mm Workpiece length between centers: 2,500 mm Grinding wheel width: 80 mm Feed length Y-axis: 450 mm Feed length Z-axis: 2,700 mm Arbor diameter: 305 mm EQUIPMENT Balancing device for grinding wheels 2 tailstocks Truing device Hjdpfx Aey Sx Iqsguen Complete DTR documentation 2 grinding wheels: T1 600x80x305 A98 46K 9V/40 34527331

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 48720 € 930.55 € 610 mm 600 mm 610 x 305 mm 300 x 600 mm 650 mm 700 mm 5 - 25 m/min 1.100 mm/min 1 - 12 mm 370 mm 1.5 kW 0.004 kW 0.19 kW 7,4 kW 2670 mm 1810 mm 2050 mm 2100 kg 355 x 50 x 127 mm 1.450 U/min Hodpfx Agowirh Souon 3,7 kW 4 mm 0,02 mm 0,2 mm 0,002 mm control panel on swiveling arm aut. vertical feed hardened slide ways in all 3 axes with needle rollers grinding wheel spindle on 4 high precision angular contact bearings electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator manual extractor with diamond grinding wheel grinding wheel flange grinding wheel balancing scale balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 73990 € 1398.41 € 610 mm 600 mm 600 x 300 mm 600 x 300 mm 420 kg 700 mm 5 - 25 m/min 0 - 2.250 mm/min mm 350 mm 440 mm 0 - 675 mm/min 0.001 - 0.04 mm 500 - 2000 1/min 5,5 kW 0.75 kW 1.1 kW 1.1 kW 2710 mm 2428 mm 2200 mm 3500 kg 975 mm 355 x 50 x 127 mm 10,4" grafic NC-control on swiveling arm with touch screen for: - seletion of working mode, program creation, graphic condition control, alarm list aut. vertical feed servo drive for grinding wheel feed and table cross feed hardened slide ways in all 3 axes with needle rollers electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator autom. dressing attachment table mounted with compensation * fully enclosed splash guard protection of working area grinding wheel Hodpfx Agjwirc Njuen grinding wheel flange grinding wheel balancing scale balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH autom. dressing attachment table mounted with compensation *

Condition: new, Year of construction: 2026, neu 2026 050163 prompt, Zwischenverkauf v Hedpfowirciex Agujn Taiwan 86820 € 1640.9 € 1 1015 mm 600 mm 1000 x 400 mm 1000 x 400 mm 670 kg 1100 mm 5 - 25 m/min 0 - 2.250 mm/min mm 450 mm 440 mm 0 - 675 mm/min 0.001 - 0.04 mm 500 - 2.000 1/min 5,5 kW 1.5 kW 1.1 kW 1.1 kW 3630 mm 2682 mm 2200 mm 4400 x 2300 x 2400 mm 4800 kg 423 kg 670 kg 355 x 50 x 127 mm 10,4" grafic NC-control on swiveling arm with touch screen for: - seletion of working mode, program creation, graphic condition control, alarm list aut. vertical feed servo drive for grinding wheel feed and table cross feed hardened slide ways in all 3 axes with needle rollers electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator oil mist collector autom. dressing attachment table mounted with compensation fully enclosed splash guard protection of working area grinding wheel grinding wheel flange grinding wheel balancing stand balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 118930 € 2247.78 € 1200 mm 730 mm 1.200 x 500 mm 1.200 x 500 mm max. 30 m/min 3.7 kW 27 kVA kW 4600 mm 3040 mm 2200 mm 6400 kg 990 mm 930 kg 1250 kg 405 x 50 x 127 mm 0,001 mm 500 - 2.000 U/min 11 kW 10.4" graphic NC control on a swivel arm with touchscreen for: Operating mode selection Hedpowiq Hmsfx Aguon Cycle selection and program creation Surface grinding Cross grinding Plunge grinding Dressing with automatic compensation Semi-automatic balancing in the machine Automatic spindle speed for constant surface speed Spindle load visualization Unbalance control Graphical status monitoring Alarm list Max. table speed (X axis) 30 m/min vertical feed by servo drive and ballscrew spindle transversal feed by servo motor and ballscrew spindle double V-slide wasy (turcite-B) for table longitudinal move grinding wheel spindle on 6 high precision angular contact bearings electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator autom. dressing attachment table mounted with compensation * grinding wheel grinding wheel flange grinding wheel balancing stand balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH * The exact configuration of the dresser must be clarified before ordering

Condition: new, Year of construction: 2024, neu 2024 5549 prompt, Zwischenverkauf v Taiwan 63830 € 1206.39 € 1 Hedpowiqymofx Agujn 1 610 mm 610 mm 600 x 300 mm 300 x 600 mm 650 mm 700 mm 5 - 25 m/min 0 - 2,250 mm/min 3 - 32 (0,001) mm 320 mm 5,5 kW kW 0.74 kW 1 kW 1 kW 2950 mm 1490 mm 2080 mm 2200 kg 355 x 50 x 127 mm 1.450 U/min 0,001 mm 10.4" graphic NC control on a swivel arm with touchscreen for: Operating mode selection Cycle selection and program creation Surface grinding Cross grinding Plunge grinding Dressing with automatic compensation Semi-automatic balancing in the machine Automatic spindle speed for constant surface speed Spindle load visualization Unbalance control Graphical status monitoring Alarm list aut. vertical feed servo drive for grinding wheel feed and table cross feed hardened slide ways in all 3 axes with needle rollers electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator automatic dresser over the wheel, with compensation grinding wheel grinding wheel flange grinding wheel balancing stand balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH OPTIONAL EQUIPMENT: additional grinding wheel flange € 200,--

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 76900 € 1453.41 € 1015 mm 610 mm 1.000 x 400 mm 400 x 1.000 mm 1050 mm 5 - 25 m/min 0 - 2.250 mm/min mm 450 mm 480 mm 0 - 675 mm/min 0.001 - 0.04 mm 500 - 1.800 1/min 3.75 kW 1.5 kW Hodpowiqyaofx Agujn 1.1 kW 1.1 kW 4280 mm 2080 mm 2100 mm 3500 kg 220 kg 440 kg 355 x 50 x 127 mm mm 10.4" graphic NC control on a swivel arm with touchscreen for: Operating mode selection Cycle selection and program creation Surface grinding Cross grinding Plunge grinding Dressing with automatic compensation Semi-automatic balancing in the machine Automatic spindle speed for constant surface speed Spindle load visualization Unbalance control Graphical status monitoring Alarm list aut. vertical feed servo drive for grinding wheel feed and table cross feed hardened slide ways in all 3 axes with needle rollers electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator autom. dressing attachment table mounted with compensation * grinding wheel grinding wheel flange grinding wheel balancing scale balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH * The exact configuration of the dresser must be clarified before ordering

Condition: used, Year of construction: 1994, total length: 3,400 mm, total width: 2,000 mm, total height: 1,500 mm, Colour: Grey Weight: 1.200 kg - Year: 1994 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 94-11-240 - Main motor power [kW]: 5.5 - Roller table length [mm]: 3200 - Table width [mm]: 1450 - Min. saw blade diameter [mm]: 250 - Max. saw blade diameter [mm]: 350 - Arbor saw blade diameter [mm]: 30 - Dust extraction nozzle diameter [mm]: 120 - Electrically adjustable axes: Scoring unit height - Manually adjustable axes: Tiltable, Cutting height - Options: Digital readout, Scoring unit - Spindle speed: - └ Max. spindle speed [rpm]: 4000 - Schuinstelbare zaagaggregaat: - └ Min. tilt adjustable [°]: 0 - └ Max. adjustable [°]: 44.8 - Voltage [V]: 415 - Current consumption [A]: 13.5 - Fuse [A]: 16 - Power [kW]: 5.5 - Transport dimensions: 3400mm x 2000mm x 1500mm (l x w x h) Hodpfx Asy Smc Aegujn - Transport weight [kg]: 1200kg - 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 Yorick Diebels

Condition: excellent (used), functionality: fully functional, AUTOMATIC MULTI RIP SAW model SCM M2 second hand machine carpet with integral cast iron elements in good condition general condition of the machine: Excellent laser pointer for cutting line reference Hjdpfx Aoy U E Icjguon automatic lubrication system CE mark : Yes instruction booklet: YES . in Italian language Technical details : carpet width mm. 220 max.height of cut mm.120 max.working width mm.200 minimum length of cut mm.290 max.diameter of blades mm.350 min.diameter of blades mm.200 main motor power Hp 25 ( Kw 18,5 ) feed motor power Hp 1,5 ( Kw 1,1 ) arbor speed rpm 3600 variable carpet advancement speed. from 6 to 48 mt./min. net weight kgs. 1600 volt. 380/50

Condition: reconditioned (used), Product Information "Voest Alpine DA 160" Lead and feed screw lathe Voest Model DA 160 Condition: Refurbished Technical Specifications Centre height: 165 mm Distance between centres: 650 mm Swing over bed: 330 mm Swing over cross slide: 190 mm Bed width: 210 mm Lead screw diameter: 25 mm Chuck diameter: 160 mm Tailstock taper: MT 3 Spindle speeds (16): 30 - 2,500 rpm Motor power: 2 / 2.4 kW Quill travel: 100 mm Dimensions (LxWxH): 1,500 mm x 900 mm x 1,650 mm Equipment: Hjdpfx Agey Ndqrousn - 3-axis digital readout, brand Sino – NEW - 3-jaw lathe chuck - Emergency-stop push button - Multifix quick-change toolholder system, 6 holders - Machine light NEW - Bed stop - Coolant system NEW - Drill chuck with Morse taper arbor - Live centre - Lead and feedscrew cover NEW - Chuck guard, secured with limit switch - Operating tools - Operating manual - Machine feet

Condition: excellent (used), Technical specifications: • Cutting length: 3800 – 4500 mm • Cutting height: up to 115 mm • Main saw blade diameter: 400 mm (optionally 430 mm) • Scoring blade diameter: 215 / 300 mm • Saw blade arbor: 75 mm (main), 50 mm (scoring) • Rotational speed: • Main saw: approx. 3695 rpm • Scoring blade: approx. 4565 rpm • Motor power: • 7.5 – 13.2 kW (50 Hz) • Up to 15.9 kW (60 Hz) • Carriage feed speed: 0 – 130 m/min • Carriage return speed: 130 m/min Hedpfxjy Syaus Agusn • Air pressure: 5 – 6 bar • Air consumption: 10 – 30 l/min • Dust extraction: • Nozzle: 115 / 200 mm • Capacity: 1215 – 3675 m³/h

Condition: used, Make: BUDERUS, Model: CNC235, Year of manufacture: 2007, Machine no.: 9030, Control system: Siemens brand, Type: Sinumerik 840D sl Powerline, 2 workspaces, 2 cross slides, X/Z traverse path, 2 spindles, Speed, C-axis workpiece spindle: 3,000 [rpm], High-frequency internal grinding spindle: (51,000 [rpm]) (for grinding arbor), Max. feeds Z 30 m/min, X 90 m/min, Max. workpiece diameter: 100 mm, Max. workpiece length: 50 mm, 2x 8-position tool turret, Tool holder: Capto C5, Workpiece automation with drag conveyor system and gripper, Coolant system, Paper band filter, Oil separator, Manufacturer: Mahle, Type: LGA601, Oil mist extraction, Recooling unit, Manufacturer: Hydac, Chip conveyor, Manufacturer: Astos Hedpfex Ahivsx Aguen +++ Note: This machine is part of an online surplus sale! +++

Condition: reconditioned (used), Year of construction: 1994, Min.-max. wire dia. 6 to 14mm (.236″ to .551″) Flying shear (5) indexing rotary arbors (4) pre-feed rolls 80 to 120 mts/min Hodpfx Agefkmr Seusn Max. cutoff lgth: 15 meter track Indexing wire/rod collector 30kW (40HP) AC motor Hydraulick motor: 15 kW (20HP) Operators control panel; 380V- 50 cycle – 3ph PLC Control SIMENES S 5 3 vertical payoff units Completely refurbished machine

Condition: excellent (used), Year of construction: 2002, functionality: fully functional, CML model J 350 R CE automatic resawing machine with one fixed blade and one moving blade, year 2002, designed for precise and reliable resawing of lumber. A robust machine suitable for continuous operation, ideal for sawmills, wood processing lines and companies in the pallet, packaging or semi-finished product sectors. The machine is equipped with 37 kW blade motors with a rotation speed of 3500 RPM, ensuring high cutting performance even on material with considerable thickness. Blade arbor diameter of 85 mm for greater stability and precision during processing. Main technical features: 1 fixed blade + 1 moving blade Maximum cutting height: 130 mm Minimum cutting height: 20 mm Hjdpfey Tuupex Aguon Minimum workable length: 600 mm Conveyor width: 350 mm Maximum board feed: 800 mm CE marking Year of construction: 2002 Machine built with a robust structure, designed to ensure operational reliability and good finishing quality. Available for inspection and operational testing by appointment.

Condition: used, Year of construction: 1996, Used machine Year of manufacture: 1996 Equipment and technical specifications: - The basic principle of Hofmann machines is the proven cast iron construction - Gray cast iron is by far the leader in vibration damping, compressive strength, and load capacity - Milling arbor 30 mm with right and left rotation - Milling fence with stop jaws, central adjustment, and fine adjustment of one jaw - Manual height adjustment with digital display and zero-reset button - Table size: 1200 x 820 mm - Table height: 890 mm - Motor power: 5.0 / 6.2 kW - Spindle speeds: 3000/4000/5000/6000/8000/10000 rpm - Height adjustment: 125 mm - Chip extraction ports: 110/120 mm - With Holz Her 2-roller feed unit Hodpowwxzhsfx Agusn Weight: 850 kg Availability: by arrangement Location: 63934 Röllbach

Condition: as good as new (ex-display), Year of construction: 2023, functionality: fully functional, grinding length: 800 mm, grinding width: 400 mm, total height: 1,850 mm, total length: 1,960 mm, total width: 1,480 mm, feed length X-axis: 800 mm, feed length Y-axis: 415 mm, workpiece weight (max.): 500 kg, feed rate Z-axis: 360 m/min, grinding wheel diameter: 350 mm, distance table to spindle center: 520 mm, table length: 800 mm, table load: 500 kg, type of input current: three-phase, table width: 400 mm, grinding wheel width: 30 mm, spindle speed (max.): 2,800 rpm, overall weight: 1,800 kg, grinding spindle motor power: 4 W, SURFACE GRINDER SP-4080AHR Hedpfx Agsy Sgdgousn • Rapid vertical feed to the workpiece • Coolant tank with magnetic filter • Digital readouts on 2 axes • Free-standing hydraulic unit with heat exchanger • Longitudinal and cross guides hardened and ground • Table with longitudinal flat guide and cross triangular guide • Electromagnetic chuck • Balancing arbor • Grinding wheel flange • Accessibility for operators with disabilities • Grinding wheel with holder • Wheel dresser • Cooling system • Central lubrication system • Work area lighting • Set of basic adjustment tools • Table cover • Leveling bolts and washers • User manual in Polish • CE Declaration of Conformity Working table size mm 400x800 T-slots (number x width) pcs/mm 1/14 Max. longitudinal travel mm 800 Cross travel mm 415 Max. distance from spindle axis to table mm 520 Longitudinal feed of working table mm/min 3-20 Table feed Automatic mm/min 0-8 Rapid mm/min 600 Manual / per graduation mm/graduation 0.01 Manual / per revolution mm/rev 2 Vertical feed of spindle head Automatic mm/min none Rapid mm/min 360 Manual / per graduation mm/graduation 0.01 Manual / per revolution mm/rev 2 Grinding wheel Rotational speed rev/min 2800 Size mm 350x30x127 Grinding accuracy mm 300/0.005 Surface finish Ra 0.32 Spindle motor power kW 4.0 Cross feed motor power kW 0.04 Max. working table load kg 500 Overall dimensions (LxWxH) mm 1960x1480x1850 Gross weight kg 1800

Year of construction: 1977, condition: ready for operation (used), Offered is a universal knee-type milling machine. Working area X/Y/Z: approx. 710mm/250mm/430mm, table clamping surface: 1250mm/315mm, spindle mount: ISO 40, speed range: 45-2000rpm (18 steps), feed rate: 10-1000mm/min, rapid traverse: available, control: conventional with electrical program control (PFAFF panel). Equipped with horizontal milling spindle, manual support bracket for long milling arbors, hydraulic pressure accumulator system, coolant device, chip collection tray, central lubrication. Weight: approx. 2100kg, overall dimensions X/Y/Z: approx. 1950mm/1750mm/1850mm. Inspection possible by arrangement. Hedpfsy Tx Rhex Agujn

Condition: ready for operation (used), Year of construction: 2003, functionality: fully functional, machine/vehicle number: 1.490,14, saw blade diameter: 500 mm, cutting height (max.): 140 mm, cutting width (max.): 350 mm, power: 8 kW (10.88 HP), overall weight: 2,000 kg, TECHNICAL DETAILS Max. saw blade length: 6,100 mm Max. saw blade diameter: 500 mm Saw blade arbor diameter: 35 mm Max. cutting height: 140 mm Hodpsy Nyd Iefx Aguen Max. cutting width: 350 mm Infeed table length: 7,850 mm Outfeed table length: 2,400 mm MACHINE DETAILS Main motor power: 5.5 kW Total power: 8.0 kW Voltage: 400 V Fuse: 25 A Dimensions & Weight Dimensions (L x W x H): 11,250 x 800 x 1,600 mm Weight: 2,000 kg EQUIPMENT Automatic feed system

Condition: ready for operation (used), Year of construction: 2023, functionality: fully functional, machine/vehicle number: B725, cutting height (max.): 150 mm, cutting width (max.): 300 mm, table length: 3,000 mm, saw blade length: 3,570 mm, Equipment: CE marking, TECHNICAL DETAILS Max. saw blade length: 3,570 mm Max. cutting width: 300 mm Hjdpfx Aey Nxynjguen Max. cutting height: 150 mm Max. saw blade diameter: 500 mm Saw blade arbor diameter: 35 mm Infeed table length: 3,000 mm Outfeed table length: 3,000 mm MACHINE DETAILS Voltage: 400 V Fuse: 16 A Power: 5.5 kW Main motor power: 5.5 kW Dimensions & Weight Dimensions (L x W x H): 3,900 x 1,100 x 1,650 mm Transport weight: 700 kg Transport packages: 3 EQUIPMENT CE marking

Condition: used, Year of construction: 2001, total height: 1,700 mm, total length: 1,500 mm, total width: 1,200 mm, - Year: 2001 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: 263989 - Max. saw width [mm]: 380 - Max. saw blade diameter [mm]: 550 - Arbor saw blade diameter [mm]: 30 - Voltage [V]: 400 - Current consumption [A]: 14.5 - Power [kW]: 5.7 - Transport dimensions: 1500mm x 1200mm x 1700mm (l x w x h) - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Hjdpoxdl E Rofx Aguon Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: as good as new (ex-display), Year of construction: 2022, Wood-Mizer MS300 High-precision table saw Machine used for training and demonstrations, checked and factory-adjusted. Processing parameters: Max. thickness at perpendicular cut: 100 mm Max. thickness at 45° cut: 65 mm Technical specifications: Circular saw Arbor diameter: 30 mm Saw blade diameter: 315 mm Max. blade width: 4 mm Hsdpfx Agoyr Dfaoujn Blade tilt adjustment range: 0–45° Distance between blade and parallel fence: 800 mm Saw blade speed: 4,500 rpm Sliding table (aluminum): Table length: 1,400 mm Table width: 350 mm Sliding stroke: 1,235 mm Sliding table extension: 500 x 360 mm Working table (cast iron): Table length: 900 mm Table width: 750 mm Table height: 850 mm Table extension: 520 x 150 mm Motor: 3 kW Extraction ports: 1x100 mm, 1x60 mm Weight: 260 kg

Condition: used, Year of construction: 1994, total length: 4,700 mm, total width: 1,200 mm, total height: 1,600 mm, Colour: Grey Weight: 672 kg - Year: 1994 - Documentation available: No - CE marking present: Yes Hjdpfx Asxbf E Soguen - CE certificate present: No - Serial number: 228822 - Main motor power [kW]: 4.5 - Max. cutting length [mm]: 4040 - Max. cutting height [mm]: 150 - Max. saw blade diameter [mm]: 400 - Arbor saw blade diameter [mm]: 32 - Voltage [V]: 380 - Power [kW]: 11.2 - Transport dimensions: 4700mm x 1200mm x 1600mm (l x w x h) - Transport weight [kg]: 672kg - 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 Yorick Diebels