Pjovimo Diskas Šlifavimo Staklės pirkti naudotą (49 485)

Būklė: naudotas, Gamybos metai: 2004, Šlifavimo disko skersmuo: 660 mm Valdymas: Siemens 840D Ruoinio plotis min. 5 / maks. 180 mm Ruoinio skersmuo maks. 200 mm Duedpfxexq R Hao Ac Dor Staklių svoris apie 15,0 t Užimama vieta apie I 3,1 x P 4,0 x A 2,7 m Yra 2 staklės. Viena staklė tinkama pirminiam šlifavimui, kita – užbaigiamajam šlifavimui. Staklės naudotos švaistiklių gamyboje. Mūsų vertinimu, staklės yra geros, naudotos būklės. Priedai, pavaizduoti įrankiai ir tvirtinimo priemonės priklauso pristatymui tik tuo atveju, jei tai aiškiai nurodyta papildomoje informacijoje. Techninių duomenų ir informacijos keitimas, klaidos ir tarpinis pardavimas pasiliekami!

Gamybos metai: 2007, būklė: naudotas, Control: Siemens 840D Grinding wheel diameter: 900 mm Dodpfxoxq Hkuo Ac Deur Workpiece grinding width: 144 – 152 mm Workpiece grinding dimension: 22 – 25 mm Rotational speed at 24 m/s: 1,425 rpm Peripheral speed max.: 25 m/sec Working power: 37 kW Total power requirement: 75 kW Weight approx.: 18.0 t Space requirement approx.: L 4.9 x W 4.9 x H 2.6 m In our assessment, the machine is in good used condition. Double-Sided Face Grinding Machines The machine was previously used for the production of connecting rods. Accessories, illustrated tools, and clamping devices are only included in delivery if expressly stated in the additional information. Modifications and errors in technical data and specifications as well as prior sale are reserved!

Būklė: naudotas, Gamybos metai: 1998, Valdymas: Siemens Sinumerik Šlifavimo disko skersmuo: 900 mm Šlifavimo disko plotis: 20–80 mm Mūsų vertinimu, įrenginys yra geros naudotos būklės. Yra prieinamos 2 mašinos. Priedai, pavaizduoti įrankiai ir tvirtinimo priemonės pristatymo apimtyje tik tuo atveju, jei tai nurodyta papildomoje informacijoje. Dedpfxoxuv Uds Ac Dsur Techninių duomenų ir informacijos keitimai bei klaidos bei tarpinis pardavimas galimi!

Būklė: geras (naudotas), Gamybos metai: 1993, with oil filter system Dujdpfx Ajydldhoc Dsr Unfortunately, we do not have any further technical data available.

Būklė: naujas, Gamybos metai: 2026, Funkcionalumas: visiškai funkcionalus, GWDress-250 smartline yra išmani precizinio šlifavimo diskų, kurių skersmuo iki 250 mm, atstatymo sprendimas. Dėl pasirenkamos rankinės arba automatinės valdymo sistemos, atstatymo procesai gali būti vykdomi lanksčiai ir itin efektyviai. Įrenginys standartinėje komplektacijoje turi visišką uždengimą – tai užtikrina maksimalų darbo saugumą bei veiksmingą apsaugą nuo dulkių ir triukšmo. Galima ir šlapio atstatymo funkcija. Pagrindiniai privalumai: Talpa: šlifavimo diskams iki Ø 250 mm Automatizavimas: automatiniai judesiai per valdymo sistemą Valdymas: pasirinktinai rankinis arba automatinis režimas Uždanga: visiška apsauga – saugumas, garsų slopinimas, darbas be dulkių Duodpfx Ajw E E S Asc Dor Universalumas: spindulių ir diskų paketų atstatymas Šlapio atstatymo funkcija: integruota šlapio apdirbimo galimybė Ekonomiškumas: puikus kainos ir kokybės santykis

Būklė: naudotas, Gamybos metai: 1990, Technical details: Automatic slide feed: 0.0025 - 0.05 mm Total power requirement: 100 kW Grinding spindle slide stroke: 150 mm Machine weight approx.: 17 t Grinding spindle drive: 2 x 37 kW Grinding width: 30-150 mm Peripheral speed: 34 m/sec Workpiece speed: 60 - 300 mm/sec Grinding height: 70 mm Grinding wheel diameter: 750 mm Grinding tool: 750 x 75 x 350 mm Duodovnmnrepfx Ac Dsr Grinding wheel speed: 870 rpm Workpiece diameter - max.: 250 mm

Būklė: naudotas, Gamybos metai: 1994, Technical details: Grinding diameter: 198 mm Grinding length: 200 mm Z-axis, longitudinal: 240 mm X-axis, cross: 340 mm Control system: Tschudin CNC E 9034B Grinding wheel diameter: 500 mm Centre height: 100 mm Distance between centres: 300 mm Maximum workpiece weight between centres: 100 kg Interface: RS 232 Total power requirement: 16 kVA Machine weight approx.: 4.5 t Space requirements approx.: L: 3.1 x W: 3.2 x H: 2.0 m Inclined plunge-cut grinding machine with contour control Technical features: - Grinding spindle tool mount: 203.2 mm - Grinding spindle not swivelling - Workpiece spindle swivels +30° / -90° - Workpiece headstock taper: MT5 - Tailstock taper: MT3 - Control: ISO and graphical programming Equipment: - CNC control panel with floppy disk drive - Coolant system with paper filter - Electronic balancing device AB 100 T.K. - Grinding wheel change assist - Wheel dressing device (programmable for grinding profiles) Dujdpfou Ng A Nox Ac Dsr - Automatic central lubrication - Measurement system (currently out of order, measuring control not connected) i.D.

Būklė: naujas, Gamybos metai: 2026, I am selling this excellent auxiliary machine for joineries or small sawmills, ideal for the preparation of planed timber and board production. This is a double-blade edger/rip saw, KUSING OP-400 ECO. Motor power: 2 x 4 kW Maximum cutting height: 55 mm Feed speed: 4–18 m/min Maximum material width: 600 mm Maximum blade spacing: 400 mm The machine is primarily intended as a supplement to smaller band saws. It significantly accelerates board production and thus saves time. Dodpfx Aex Utv Isc Deur With a special option, the individual shafts can be adjusted and extended from 55 to 105 mm, allowing up to four saw blades to be used simultaneously. Main motor power: 55 kW Total weight: approx. 4,000 kg Saw blades and spacer rings are included. KUSING OP-400 ECO Double-Blade Rip Saw Want to speed up board production in your joinery or small sawmill? The KUSING OP-400 ECO is your ideal partner for the preparation of planed wood and the fast, efficient processing of logs into boards. ----- Why choose the OP-400 ECO? • High productivity: Two 4 kW motors ensure consistently high cutting performance, providing much faster timber processing than with a single-blade rip saw. • Versatile cutting capacity: - Max. cutting height: 55 mm - Max. material width: 600 mm - Max. blade spacing: 400 mm • Efficient feed system: The adjustable feed speed from 4 to 18 m/min allows precise control of material flow for different wood densities and board thicknesses. • Expandable blade configuration: With the optional shaft extension kit, each shaft can be extended from 55 mm up to 105 mm. This means up to four saw blades can be used simultaneously, enabling you to cut several boards in one pass – this reduces setup times considerably. • Ideal secondary machine: Designed as a complement to smaller band saws – streamline your workflow by roughly sawing logs into boards before the final cut. Technical Data • Motors: 2 × 4 kW • Max. cutting height: 55 mm • Feed speed: 4 – 18 m/min • Max. material width: 600 mm • Max. blade spacing: 400 mm • Shaft extension (optional): 55 – 105 mm (for up to four saw blades) The machine is in stock in Kežmarok, Slovakia, and available immediately.

Būklė: naudotas, Gamybos metai: 1995, Techninės detalės: Šlifavimo ilgis: 1250 mm Šlifavimo plotis: 600 mm Rušinio aukštis: 730 mm Stalo paviršius: 1720 x 500 mm Špindelio mazgas: atstumas nuo stalo iki špindelio centro: 900 mm Maks. išilginis judėjimas: X-1450 Padavimo diapazonas: 10 - 20 000 mm/min Vertikalus judėjimas: Y-730 mm Padavimo diapazonas: 0,2 - 3 000 mm/min Skersinis judėjimas: Z-550 mm Padavimo diapazonas: 5 - 5 000 mm/min Variklio galia: 1500 aps./min – 44 kW / 8000 aps./min – 38 kW Šlifavimo disko greičio diapazonas: 50–6 000 aps./min Dsdpfx Asx Uzvpsc Dour Pjovimo greitis: maks. 80 m/sek. Mašinos svoris apie: 11 t su CNC SIEMENS 840 C automatinė dinaminio balansavimo sistema integruota šlifavimo špindelio kūgyje profiliavimo šlifavimo įtaisas (sumontuotas ant stalo) deimantiniai profiliuoti ritinėliai (maks. Ø 140 mm, maks. plotis 200 mm, kiaurymė 52 H3) Sukimosi greitis: 3000 aps./min 2 magnetinės plokštės (1000 x 400 mm, 1200 x 350 mm), įvairūs šlifavimo disko flanšai

Būklė: naudotas, Gamybos metai: 2007, Funkcionalumas: visiškai funkcionalus, Mašina galima su arba be kameros sistemos. Integruotas naujas velenas. Duodpfxox Hyd Ne Ac Djr

Būklė: naudotas, Gamybos metai: 1996, Machine weight approx.: 15 t Dedpfx Acsizldxe Djur

Būklė: naudotas, Gamybos metai: 1995, Technical Details: Dujdswi Nh Njpfx Ac Djr Grinding height: -- mm Grinding width: 220 mm Grinding wheel diameter: 762 mm Total power requirement: 90 kW Machine weight approx.: 13 t Spindle drive: Grinding spindle 1: 37 kW Spindle drive: Grinding spindle 2: 37 kW Grinding machine for pre-grinding connecting rods With 2 spare spindle motors

Būklė: naudotas, STROMAB TR 500 – Under-Table Crosscut Saw with Pneumatic Feed For sale is a STROMAB TR 500 under-table crosscut saw featuring a pneumatic saw blade feed and a blade diameter of 500 mm. This machine is ideal for precise and efficient cross-cutting of workpieces in workshop environments. Year of manufacture: 2009 Machine number: 3229 — Technical Data • Maximum cutting width: 360 mm • Cutting height: 135 mm • Saw blade diameter: 500 mm • Infeed roller conveyor length: 1,000 mm • Outfeed roller conveyor length: 1,000 mm • Table height: 850 mm • Main motor: 7.5 kW • Saw blade feed: pneumatic • Compliance marking: CE mark • Weight: approx. 420 kg — Condition & Delivery The machine is in technically perfect condition and ready for immediate use. • Inspection possible at any time • Shipping securely packed on pallet by freight forwarder available at short notice — Contact Maschinenhandel Nord Gerstenstraße 2 17034 Neubrandenburg 📞 All prices are net plus 19% VAT. Subject to change and errors excepted. Dujdpfxsxiza Us Ac Djr

Būklė: naujas, Gamybos metai: 2025, Funkcionalumas: visiškai funkcionalus, Mūsų iki 450 mm skersmens šlifavimo diskų išlyginimo staklės suteikia neprilygstamą paprasto valdymo ir išskirtinio stabilumo derinį. Masinė granito lova užtikrina aukščiausią tikslumą ir ilgaamžiškumą, o patogi vartotojui valdymo sistema maksimaliai padidina jūsų įmonės efektyvumą. Kol toliau dirbate su savo įrankių galandimo staklėmis, mūsų išlyginimo staklės taupo jūsų laiką ir pinigus. Dabar siūloma už ypatingą kainą. Dedpfjxqpigex Ac Deur

Būklė: naudotas, naudotas Michael Deckel S11 – visiškai veikiantis Duedpfx Acex Hyn Ie Djr

Būklė: naujas, Gamybos metai: 2025, Funkcionalumas: visiškai funkcionalus, Grinding Wheel Dressing Machine: Easy to Use, Robust, and Precise Dujdoubbrtjpfx Ac Der Our grinding wheel dressing machine with enclosure offers you an unbeatable combination of user-friendly operation and exceptional stability. The solid granite base ensures maximum precision and durability, while the intuitive controls maximize your operational efficiency. While your tool grinding machine continues production, our dressing machine saves you both time and money. Ideal for anyone who values reliable performance and outstanding value for money!

Būklė: labai geros būklės (naudotas), Šlifavimo skersmens talpa ~80 mm (2H tipas) 2HA varianto tipas ~120 mm Maksimalus šlifavimo ilgis padavimo būdu ~200 mm Maksimalus šlifavimo ilgis praeinant per visą detalę ~300 mm (su standartiniais kreiptuvais) Šlifavimo ratuko skersmuo 400 mm Šlifavimo ratuko plotis 200 mm Šlifavimo ratlankio skylė 203,2 mm (8") Pavaraus ratuko skersmuo Dedpjxrvgzjfx Ac Djur 254 mm Pavaraus ratuko plotis 200 mm Pavaraus ratlankio skylė 127 mm Pagrindinis variklis 11 – 22 kW Pavaraus ratuko variklis ~1,1 kW Pavaraus ratuko greitis ~10–200 aps/min (nuolat reguliuojamas) Staklių svoris ~3 000 kg Pagrindas / Matmenys ~2 400 × 1 550 mm Įtampa 380 V / 50 Hz / 3 fazės Papildomos savybės ir priedai Hidrauliniai šlifavimo ir reguliavimo diskų formavimo bei tiesinimo įtaisai Reguliuojamo greičio pavara reguliuojančiam/pavaraus ratukui Bazės flanšas, atraminis tiltas, tarpikliai ir papildomi priedai yra įtraukti daugelyje vienetų „2HA“ variantas padidina apdirbamo skersmens talpą iki 120 mm Turime du šiuos įrenginius

Būklė: naudotas, Gamybos metai: 1982, x-travel: 0 mm y-travel: 0 mm Table length: 600 mm Table width: 400 mm Total power requirement: 2 kW Machine weight approx.: 1,500 kg LORENZ Gear Cutting Wheel Sharpening Machine Model: MSM, year of manufacture approx. 1982, Serial no. 13 125 _____ Table size: 600 x 400 mm Table adjustment vertically (motorized/manual): 325 mm Table adjustment laterally (manual): 300 mm Grinding spindle slide stroke: approx. 50 mm Number of strokes (grinding slide): approx. 7.5 strokes/min Installation height under grinding spindle: 165-490 mm Transverse adjustment travel of grinding slide: 150 mm Grinding wheel diameter x width: 100 x 20 mm Grinding spindle speed: 11,000 rpm Main drive: approx. 2 kW - 380 V - 50 Hz Weight: approx. 1,500 kg Accessories / Special equipment: - Workpiece (shaping cutter) clamping device type MSV 110 for profile-parallel flute grinding on gear cutting wheels, specifically for herringbone gears - Grinding wheel dressing unit type MSV 116/117, mounted above the grinding wheel; can be tilted upwards, equipped with 2 diamonds at a 90° angle Duodpst Hwr Usfx Ac Djr - Motorized vertical table feed - FORTUNA grinding spindle, 11,000 rpm, built in, flat-bottomed, projection approx. 300 mm - Separate FORTUNA grinding spindle, 11,000 rpm, front Ø 35 mm - Control cabinet mounted, nozzles for dust extraction

Gamybos metai: 1992, būklė: naudotas, Grinding height 50 mm Grinding width 120 mm Grinding wheel diameter 600 mm Total power requirement 85 kW Machine weight approx. 9,500 kg D I S K U S CNC-controlled, vertical double-sided surface grinding machine with rotating workpiece feed and IONIC measuring control. Type: DDS 600 III PRM - CNC Year of manufacture: 1992 # 7924 _____ Grinding wheel dimensions (each): 600 x 150 x 75 high mm Workpiece data: Grinding height: approx. 1.5 – 50 mm Grinding width: approx. 20 – 120 mm Vertical slide adjustment, each: approx. 150 mm Grinding wheel infeed via CNC: 0.0001 mm Workpiece transport device feed continuously adjustable: 40 - 235 mm/sec. Grinding wheel speed (30 m/s): 191–955 rpm Grinding spindle drive, infinitely variable (per spindle): 37 kW Total drive approx. 85 kW / 380 V / 50 Hz Weight approx. 9,500 kg Accessories / Special Equipment • SIEMENS CNC control SINUMERIK 810 G with monitor, for 4 axes (top and bottom infeed, dresser, and workpiece table rotation), direct input of all grinding data, and in conjunction with • IONIC measuring control no. 17 A with 2 measuring probes for scanning workpieces after the grinding cycle, triggers corresponding infeed of the grinding wheels, continuous measurement data displayed on the monitor for statistics, workpiece counting, etc. • Digital display of power (amperes) for the drive motors and the grinding wheel speed • Gantry design for increased rigidity and improved grinding accuracy • Rotational workpiece transport with continuously variable speed control as the 4th axis • Position control device for monitoring the position height of the lower grinding wheel • 2 adjustable workpiece hold-downs at both in-feed and out-feed, with height monitoring, simple raw part stacking device, and finished part discharge via conveyor belt • Semi-inclined, side-mounted grinding wheel dressing unit with pre-programmable dressing sequence, integrated as CNC axis in the control, with safety shut-off Dsdpfxet Hw Nao Ac Dsur • Large separate switch cabinet, automatic central lubrication system, advanced pneumatic setup • Large PROMATEC (F) coolant unit with filtration and magnetic separator • Various grinding wheels, flanges, table segments, transport discs, large fume extraction system, etc. This machine is particularly suitable for the simultaneous plane-parallel grinding of workpieces in large series, such as stamped parts, piston rings, hydraulic parts, etc. Condition: good to very good – ready for demonstration shortly Delivery: ex stock – as inspected Payment: net – upon receipt of invoice This represents a rare opportunity regarding both condition and price. If you require another grinding machine – especially from the manufacturer DISKUS – please send us your inquiry.

Būklė: naudotas, Gamybos metai: 1969, Grinding height: 60 mm Grinding width: 120 mm Grinding wheel diameter: 600 mm Grinding length: mm Workpiece height: 60 mm Total power requirement: 50 kW Machine weight approx.: 7,000 kg Space requirement approx.: m DISKUS Vertical double-sided surface grinding machine in C-frame design with rotary table workpiece feed Model: DDS 600 CRA Year of construction: 1969 Serial no.: 6672 --- Grinding wheels - diameter x bore per side: 600 x 150 mm Grinding wheel height approx.: 60 mm Workpiece transport disc outside Ø: 810 mm Workpiece: Max. grinding height x grinding width: approx. 60 x 120 mm Vertical quill adjustment per side: approx. 150 mm Hydraulic infeed pulses for depth feed: 0.0025 - 0.05 mm Outer diameter of transport disc: approx. 810 mm Rotary table feed rate steplessly adjustable: 14 – 145 mm/s Grinding wheel speed per side: (24 m/s) / 765 rpm Grinding spindle drive per side: 22 kW each Total drive: approx. 50 kW/380 V/50 Hz Dusdst Hw N Hjpfx Ac Der Total weight: approx. 7,000 kg Accessories / Special Equipment: • Workpiece rotary device for round transport discs with apertures for inserting the parts and with automatic ejection of finished parts down a chute into a transport box. • IONIC measuring control no. 9 So with measuring probe for finished workpiece height and, if necessary, with automatic hydraulic grinding wheel infeed. • Stepless speed regulation of the rotary device according to grinding dimensions and workpiece. • Manual infeed of grinding wheels via corresponding buttons. • hydraulically swivelling dressing device (RA) between both grinding wheels for simultaneous dressing of both grinding wheels with appropriate compensation and with automatic repositioning to effective workpiece thickness after dressing = high time savings, can be triggered manually or by timer. • Ammeter displays for both grinding spindle drives. * Central lubrication, • Mechanical height control of workpieces with machine shutdown if overheight is detected. • Free-standing control cabinet, separate hydraulic unit, separate large band filter unit, various grinding wheels, various transport discs, etc. This machine is especially suitable for simultaneous, plane-parallel grinding of workpieces in large series. For example: shims, piston rings, hydraulic components, watch parts, stamped parts, etc. Condition: good – soon available for demonstration Delivery: ex stock – as inspected Payment: strictly net – upon receipt of invoice

Būklė: dilaminuotas dirbtuvėje (naudotas), Gamybos metai: 1992, Funkcionalumas: visiškai funkcionalus, mašinos/transporto priemonės numeris: 4/33, Offered for sale is a Meyer Burger cutting saw, model TS121, in used, original, and immediately operational condition. The machine has been workshop tested and serviced; all service and wear parts have also been recently attended to. The rotary table has been replaced by us once and operates flawlessly and with high precision. It is fully integrated into the original control system (like the original rotary table). The control is a Sinumerik 810M with electronic handwheel. Additional services can be discussed and ordered as needed, including a complete retrofit with CE certification, etc. The machine is available from stock and ready for demonstration. The machine is complete, and original documentation is available. The photos are current and taken by us. Please contact us briefly for further information and coordination; the machine is available from our warehouse. Subject to prior sale at all times. Djdpfxoxy Ny Dj Ac Deur TIP: We always have more Meyer Burger machines and spare parts in stock—feel free to visit us on our website! Contact us; we are happy to advise you!

Būklė: naudotas, Kombinuotas šlifuoklis – diskas + vertikali juosta. Disko skersmuo: 600 mm. Matmenys: 110 x 80 cm, aukštis 160 cm. Dsdpfx Ajlagdwoc Deur

Būklė: labai geros būklės (naudotas), Katalogo numeris 7834 TECHNINIAI DUOMENYS - Didžiausias pagrindinio disko skersmuo be įpjaunamojo disko: 400 mm - Didžiausias disko skersmuo su įpjaunamuoju disku: 350 mm - Didžiausias pjovimo aukštis su 350 mm disku: 100 mm - Pagrindinis diskas reguliuojamas aukštyn/žemyn ir kampu - Didelis disko gaubtas - Pagrindinio veleno skersmuo: 30 mm - Su formatiniu vežimėliu - Pjovimo ilgis ant vežimėlio: 1400 mm - Pjovimo plotis pagal liniuotę: 1180 mm - Su šoniniu vežimėliu - Šoninio vežimėlio liniuotė reguliuojama kampu - Su įpjaunamuoju disku - Maksimalus įpjaunamojo disko skersmuo: 120 mm - Įpjaunamojo veleno skersmuo: 20 mm - Pagrindinio disko variklio galia: 4 kW Duedpsymnmqjfx Ac Der - Įpjaunamojo disko variklis: 0,75 kW - 2 sukimosi greičiai - Stalo matmenys: 1120x1020 mm - Su išplėtimu: 1820x1720 mm - Ištraukimo jungties skersmuo: 130 mm - Matmenys ilg./pl./aukšt.: 3650x2150x1450 mm - Svoris: 720 kg PRIVALUMAI – Pagaminta Lenkijoje – Su įpjaunamuoju disku – DTR dokumentacija – Naudota pjūklas, labai gera būklė Grynoji kaina: 11 900 PLN Grynoji kaina: 2 840 EUR pagal kursą 4,2 EUR (Kainos gali keistis esant didesniems svyravimams)

Būklė: labai geros būklės (naudotas), Ilgis apie 3 200 mm Plotis apie 1 400 mm Aukštis apie 1 600 mm Varikliai: 2 Duedoxwbpfspfx Ac Dor Pakreipiamas stalas: Taip Tvirta, kombinuota Bäuerle KFL tipo medžio apdirbimo staklės sujungia formatinį pjūklą, ilgos skylės gręžimo stakles ir staklinę frezą su padavimo mechanizmu viename įrenginyje, tiekiama su gausia priedų komplektacija. Riedantis stalas: taip

Būklė: naudotas, Gamybos metai: 1978, bendras ilgis: 3 400 mm, bendras plotis: 1 850 mm, bendras aukštis: 1 600 mm, Svoris: 1.250 kg - Pagaminimo metai: 1978 m. - Dokumentacija prieinama: Ne - CE sertifikatas: Nėra - Serijos numeris: 78-11-11 - Volelių stalo ilgis [mm]: 3200 - Stalo plotis [mm]: 1070 - Pjūklo disko skylės skersmuo [mm]: 35 - Dulkių ištraukimo jungties skersmuo [mm]: 115 - Papildomos parinktys: Priešpjūklis - Veleno apsisukimai: - └ Maks. veleno apsisukimai [aps./min]: 4000 - Įtampa [V]: 380 - Transportavimo matmenys: 3400mm x 1850mm x 1600mm (išmatavimai: ilgis x plotis x aukštis) - Transportavimo svoris [kg]: 1250kg Dusdpfx Acoyazbbj Dsr - Transporto paketų skaičius [vnt.]: 1 Finansinė informacija PVM: Nurodyta kaina yra be PVM PVM/mokestinė schema: PVM atskaitomas juridiniams asmenims Pristatymas ir mainai galimi bet kokiai pramoninei įrangai Yorick Diebels