Digitalna Vrtalna Glava Za Fino Vrtanje Hsk63 nakup rabljenega (83.785)

Stanje: rabljeno, Leto izdelave: 1977, rabljeno Proizvajalec: Ayen Njdpfsvwgagex Ah Uewg Tip: DB 100 K23 Leto izdelave: 1977 Št. stroja: 751212 Število vreten: 23 kos Število vrtalnih nosilcev: 1 Vrtanje od zgoraj gugalno pnevmatično hidravlična zavoro podajanja Vpenjalo za sveder D 10 mm Vpenjala: 3 kosi Raster: 32 mm Potrebni prostor pribl. (D x Š x V) mm 1200 x 800 x 1600 Teža pribl. 370 kg Skupna priključna moč: 2,2 kW Skladišče: 97447 Gerolzhofen Predaja v stanju, kot je bilo ogledano - prosto naloženo -

Stanje: zelo dobro (rabljeno), Leto izdelave: 2014, Funkcionalnost: popolnoma funkcionalen, HOMAG WEEKE OPTIMAT ABD 150 je visokozmogljiv CNC stroj, zasnovan za natančno vrtanje, vstavljanje moznikov in montažo okovja v proizvodnji pohištva in obdelavi plošč. Stroj je idealen za mizarje, proizvajalce pohištva in industrijske lesnopredelovalne obrate, ki potrebujejo natančno in učinkovito avtomatizirano obdelavo. Lastnosti stroja: CNC-krmiljena enota za vrtanje in vstavljanje Integriran sistem za lepljenje in vstavljanje moznikov Robustna industrijska konstrukcija Kompaktne dimenzije Uporabniku prijazen upravljalni panel CE certifikat Nwsdpfx Asym Nvtjh Usg Stroj je redno vzdrževan in pripravljen za uporabo.

Stanje: zelo dobro (rabljeno), dolžina podajanja os X: 450 mm, dolžina pomika po osi Y: 300 mm, dolžina podajanja os Z: 300 mm,

Stanje: rabljeno, Težka žagalna glava s stabilnim podstavkom in vpenjalom materiala za neželezne kovine in aluminij. Močnejši motor, s pnevmatskim podajanjem in dvema pnevmatskima vpenjaloma materiala. Nwsdpfeyzghdsx Ah Ujg

Stanje: zelo dobro (rabljeno), Outboring head, spindle head, boring head, grooving boring head, grooving head, spindle boring head, precision boring head, universal boring head, outboring tool, facing head - Manufacturer: Schmid, facing and outboring head - Model: UBS Gr.1 - Taper: SK40 - Setting accuracy: 0.02 and 0.01 mm - Accessories: see photos - Case dimensions: 240/125/H100 mm - Total weight: 4.0 kg Nwedpjrzvwwsfx Ah Ujg

Stanje: potreben popravila (rabljeno), Leto izdelave: 1990, Funkcionalnost: nefunkcionalno, številka stroja/vozila: 418.364.077, globina vrtanja: 800 mm, dolžina podajanja os Z: 1.000 mm, skupna dolžina: 4.200 mm, skupna širina: 2.100 mm, skupna višina: 2.800 mm, teža obdelovanca (maks.): 500 kg, skupna masa: 7.000 kg, potovalna razdalja osi X: 800 mm, pomik osi Y: 400 mm, pomik po osi Z: 1.050 mm, največja hitrost vretena: 7.000 obr/min, premer vrtanja: 25 mm, vrsta vhodnega toka: trifazni, število vreten: 1, dolžina pomika os W: 120 mm, TBT – globokovrtalni stroj, 1-vreteni, s CNC križnim mizo, "x/y" in "W" primikalnim suportom! Krmilnik EST – napaka v CPU omari. Stroj ni delujoč. Vsi aktuatorji/strojna oprema so bili do izklopa v redu. Do napake v omari je prišlo med mirovanjem po izklopu iz obratovanja. Močnostna elektronika / pretvornik: Bosch Njdpsyz Rd Nefx Ah Ujwg Vpenjalna miza in razno dodatna oprema Razstavljanje po možnosti s strani kupca; sestavni deli stroja (električna omara, korpus, rezervoar za olje) se lahko s pomočjo obstoječega dvoranskega žerjava postavijo na transportna kolesa, nakladanje v hali ni mogoče! Razstavljanje in nakladanje po dogovoru Transport izključno s strani kupca

Stanje: dober (rabljeno), Leto izdelave: 1985, Spindle speeds – infinitely variable: 26 – 1,650 rpm Operating voltage: 380 V Frequency: 50 Hz Rated current: 15 A Connected load: 6.5 kW Tool holder: MT 4 Machine weight: approx. 2.3 t Space requirement: approx. 1,500 x 1,200 x 2,500 mm Operating voltage: 380 V Frequency: 50 Hz Control voltage: 220 V Rated current: 15 A Connected load: 6.5 kW Automatic feed: 0.05 – 0.45 mm/rev Nwedpfx Ahjvylh Ue Ueg Column travel speed: 40 mm/s Column travel: 450 mm Drill spindle stroke: 200 mm Drilling area: 430 – 1,150 mm Drill spindle height adjustment: 330 – 780 mm Tool holder: MT 4 Table dimensions: 1,525 x 560 mm Table height: 800 mm

Stanje: skoraj kot novo (rabljeno), Globinski vrtalni stroj Ryazan model PT295106 x 4000mm Proizvajalec: Ryazan Model: PT295106 Leto: 1985 Nwjdexzp Rljpfx Ah Ueg Stanje: Rabljeno Zaloga številka: 2850 Višina osi: 550mm Kapaciteta vrtanja v polnem materialu: 200mm Največja dolžina vrtanja: 4000mm Glava vretena – votli vreteno: 500mm Hitrosti vretena: 16-250 min⁻¹ Pogon glave: 50/75kW Največja dolžina vrtanja pred glavo: 3500mm Največja dolžina vrtanja pri uporabi 500mm votlega vretena: 4000mm

Stanje: zelo dobro (rabljeno), Heidenrich & Harbeck B3 SB globokovrtalni stroj Kapaciteta: 10.000 mm, 4 podporniki 2 dušilca za vrtalne palice Nwedpfx Ahew U Uhke Ujg Pladenj in košare za ostružke Orodje, Kontravrtenje

Stanje: novo, Leto izdelave: 2026, Y-axis drilling: 920 mm Y-axis sawing: 860 mm X-axis: 3000 mm Z-axis: 12 mm - 40 mm A-axis: 360° Min. panel dimensions: (X) 300 mm x (Y) 120 mm x (Z) 12 mm Nwodpfx Ajl D Rw Esh Ujg Feed speed: 20 m/min Drill diameters: 5 mm / 20 mm / 35 mm Milling tool: 8 mm Grooving saw: 90 mm x 3.5 mm Maximum groove depth with saw blade: 10 mm Min. hole diameter: 3 mm Max. hole diameter: 35 mm Motor power: 1.3 kW Weight: 500 kg

Stanje: rabljeno, Stroj za plosko brušenje s skodelčnim brusom / Stroj za brušenje glav cilindra Maksimalna brusna površina: 835 x 200 mm Elektromagnetna vpenjalna plošča: 500 x 200 mm Mere stroja (D x Š x V): 2070 x 900 x 1600 mm Teža stroja: 1000 kg Nsdpfx Ahswlbz Tj Uowg Siegfried Volz Werkzeugmaschinen Rüschebrinkstr. 151-153 DE - 44143 Dortmund - Wambel / Nemčija

Stanje: rabljeno, številka stroja/vozila: 005836, Delovno območje os X: 3000 mm Delovno območje os Y: 1000 mm Moč glavnega vretena: 3,5 kW Nodpfx Ajwuckujh Uswg Število krmiljenih osi: 3 osi Število vrtalnih vretenc: 82

Stanje: dober (rabljeno), Leto izdelave: 1980, Vrtalni stroj za moznike za proizvodnjo okvirjev Nwodpfx Ahjyy I Sns Ujg

Stanje: rabljeno, Rabljeni stroj Oprema in tehnični podatki: Nedjyq T Iuopfx Ah Uswg - Univerzalni čepilno-vrtalni stroj za horizontalno in vertikalno vrtanje - Delovna širina 720 mm - z vrtalno gredjo, pogonskim motorjem 3 KM, 2800 vrt/min - 23 vrtalnih vreten, razdalja med vrtinami 32 mm - pnevmatska pritrditev obdelovanca preko nožnega ventila - 2 vodilni letev 1000 mm - s podvozjem Razpoložljivost: takoj Skladišče: 63934 Röllbach

Stanje: novo, Leto izdelave: 2026, Automatic Drilling Machine Kudu with NC control and manual tool change (3-axis) Automatic drilling machine with movable processing unit – the table remains stationary while the drilling head moves. The unit can be operated both manually and fully automatically. After each drilling operation, the processing unit automatically moves along the X and Y axes to the next drilling position. Operation is extremely user-friendly. Programming is performed directly at the machine control panel. The system is particularly robust, comprising proven machine components. Technical data: • Measuring length: 6,000 mm • Total length: 8,000 mm • Stable machine base frame • Drill head speed: up to 2,800 rpm • Tool holder: HSK 50 • X, Y, and Z axis powered by servomotors • Rapid traverse on X axis: 18 m/min • Rapid traverse on Y axis: 5 m/min • Distance from table top to underside of tool holder: 245 mm • Table width: 450 mm • Working height: 1,005 mm • Drilling diameter: 3 to 15 mm in St. 50 (tool dependent) • Working travel in Y axis: 230 mm • Tolerance in X axis: ±0.1 mm/m • Tolerance in Y axis: ±0.05 mm • Tolerance in Z axis: ±0.05 mm • Machine weight: 2,000 kg • Machine dimensions: 8,000 mm x 2,000 mm x 2,388 mm (see layout plan) • Power connection: 32 A • Air supply: 8 bar • Front safeguarding via light barrier • Rear access secured by machine fence • Simple programming directly at the machine • Cooling via minimum quantity spray system • Supplied without material clamps • Digital handwheel Your Benefits • Gentle on workpiece surfaces • Clear, graphical user interface • End-of-workpiece machining without difficulty • 50% space-saving compared to feed-through processing • Chips are collected in chip tray • Extremely simple programming and operation You are welcome to inspect the desired system at any time in our production/demo hall. Please feel free to contact us for an appointment. We look forward to your inquiry! Nsdpfefu Iwmjx Ah Uewg Plantec Maschinen GmbH

Stanje: novo, Leto izdelave: 2026, Manual and fully automatic operation is possible with the drilling automat. After each drilling process, the system automatically moves to the next drilling position along the X and Y axes in the standard configuration. ADVANTAGES Potential operator errors are drastically reduced. Programming takes only a few minutes. Significant reduction in manpower requirements. Product details Standard measuring lengths: 3,000 mm 6,000 mm Drilling machine: Unimax 3 T AV (Alternatively available with Unimax 4 Basic) Nodjfu Swxepfx Ah Uswg Continuous drilling capacity in E 335: 25 mm Standard drilling capacity: 30 mm Thread cutting capacity: M 20 Spindle: MK 3 Automatic feed (3T AV): 30 – 400 mm/rev Drilling depth: 125 mm Column diameter: 110 mm Weight: 250 kg Motor, pole-changing: 0.8/1.5 kW UNIMAX 3T/3T AV M00023/M00009 Spindle speeds steplessly adjustable Range A: 80 – 1,400 rpm Range B: 180 – 3,200 rpm Motorized height adjustment, anti-rotation device Optional: Thread cutting device Fully automatic version Automatic positioning of the X axis Automatic positioning of the Y axis Automatic drilling process Total length: 7,500 mm Manual drilling is also possible Coordinate table with motorized Y-axis drive via control system Y-axis travel: 200 mm Moveable clamping table with motorized X-axis drive via control system X-axis travel: 3,000 mm Clamping table with T-slot for fastening pneumatic clamps and material support blocks. 2-axis control with memory control with 3,000 program storage options Minimum quantity spray system with spray head and holder You are always welcome to inspect the desired system at our production/demo hall. Please feel free to contact us for an appointment. We look forward to your message! Plantec Maschinen GmbH

Stanje: novo, Leto izdelave: 2026, UNIBOHRFIX 100 E Fully Automatic Drilling Machine, Measurement Length 6000mm (2-axis NC Drilling Machine) Item No. 6019 With the fully automatic UniBohrFix 100 drilling machine, your material is positioned at the desired point along the X-axis, clamped, and drilled. You only need to press the start button. The horizontal gripper of the positioning system allows for convenient pneumatic clamping of round tubes, rectangular tubes, angle profiles, as well as flat and solid materials. After simply entering the X and Y coordinates or recalling an existing program, the machine operates fully autonomously. Advantages • A series of holes is executed automatically at precise intervals. • Possible operator errors are drastically reduced. • Programming is completed within a few minutes. • Excellent value for money. • Significant reduction in labor requirements. Fully automatic version Measurement length: 6,000 mm Total length: 13,500 mm NC 2-axis control including LAN interface for data transfer Pneumatic vice (clamping width 200 mm), also available with 300 mm on request. Minimum quantity spray unit with holder and spray nozzle Drilling machine: Unimax 3T AV, also available with Unimax 4 Basic (Technical data see data sheet) Anti-twist protection Thread cutting device Motorized height adjustment NC positioning system PD 200p Nwodpfx Ahsfu Irzs Ujg Feed force 200 kg Positioning by absolute and incremental dimensions possible Carriage with DC servomotor and encoder Carriage with 12 ball bearings Pneumatic stop clamping with high holding force Steel guide rail with precision rack Steel carrier profile as dirt protection Infeed and outfeed material roller conveyor RD-200/4 Length: 6,000 mm / 7,000 mm / load capacity 200 kg/m / height-adjustable rollers / Mounting angle / roller width 407 mm / insertion plates / cross bracing Roller diameter 50 mm / steel rollers You are welcome to inspect your desired system at any time in our production/showroom. Feel free to contact us for an appointment. We look forward to hearing from you! Plantec Maschinen GmbH

Stanje: novo, Leto izdelave: 2026, UNIBOHRFIX 100 H Fully Automatic Drilling Machine, Measuring Length 6000mm Item no. 6020 Nodpsfu Itbofx Ah Uswg With the fully automatic UniBohrFix 100 drilling machine, your material is positioned on the X-axis at the desired location, clamped in place, and drilled. All you need to do is press the start button. The positioning system’s horizontal gripper allows for easy pneumatic clamping of round tubes, rectangular tubes, angle profiles, as well as flat and solid materials. After simply entering the X-values or recalling a previously saved program, the machine operates completely independently. The Y-axis can be adjusted by the operator via a handwheel with digital display. Benefits • Sequences of holes are drilled automatically at precise intervals. • Operator errors are drastically reduced. • Programming takes only a few minutes. • Excellent price-performance ratio. • Significant reduction in manpower requirements. Fully automatic version Measuring length: 6,000 mm Total length: 13,500 mm NC single-axis control Pneumatic vice (clamping range 200 mm) Minimum quantity spray unit with holder and spray nozzle Drilling machine: Unimax 3T AV (technical data see datasheet) Anti-rotation device Motorized height adjustment Thread cutting device NC Positioning System PD 200p Feed force 200 kg Positioning in absolute or incremental (chain) dimensions possible Carriage with DC servomotor and encoder Carriage with 12 ball bearings Pneumatic stop clamping with high holding force Steel guide rail with precision rack and pinion Steel carrier profile as contamination protection Infeed and outfeed material roller conveyor RD-200/4 Length: 6,000 mm / 7,000 mm / Load capacity 200 kg/m / Height-adjustable rollers / Mounting angles / Roller width 407 mm / Insert plates / Reinforcements / Roller diameter 50 mm / Steel rollers We look forward to hearing from you! Plantec Maschinen GmbH

Stanje: dober (rabljeno), Leto izdelave: 2007, Krmilje 840 D x-os 2500 mm y-os 2500 mm z-os 1700 mm Krmilje - Siemens Sinumerik 840 D maks. teža obdelovanca - 6000 kg Premer vretena - 130 mm Hod pinole - 700 mm Vpenjalo orodja - ISO 50 DIN 69871 - AD maks. navor na vretenu - 1847 Nm Njdpfjwzyp Ujx Ah Uowg Skupna potrebna moč - 65 kW Teža stroja ca. 45 t Prostorska zahteva ca. 10,9 x 9,3 x 5,7 m

Stanje: zelo dobro (rabljeno), Leto izdelave: 2009, Funkcionalnost: popolnoma funkcionalen, potovalna razdalja osi X: 13.000 mm, pomik osi Y: 5.000 mm, pomik po osi Z: 1.200 mm, največja hitrost vretena: 2.500 obr/min, položaj glave za glodanje: Testa ad assi ortogonali indexati - TTL2 25 360, premer vretena: 180 mm, pomik osi W: 1.000 mm, obremenitev mize: 100.000 kg, hitro pomikanje X-os: 20 m/min, hitri pomik os Y: 20 m/min, hitri pomik na osi Z: 20 m/min, dolžina mize: 3.000 mm, širina mize: 3.500 mm, hod vretena: 2.500 mm, premer tulec: 180 mm, pomik vretena: 1.000 mm, teža obdelovanca (maks.): 100.000 kg, vrtilni moment: 9.050 Nm, CNC BORING MACHINE PAMA mod. SPEEDRAM 2000 Hydrostatic Numerical control Siemens Sinumerik 840D Axis X: 13,000 mm Axis Y: 5,000 mm Axis Z: 1,200 mm Axis W: 1,000 mm Total axial travel (Z+W): 2,200 mm Working feedrate on all axes: 8,000 mm/min Rapid traverse on all axes: 20,000 mm/min Spindle: Boring spindle diameter: 180 mm Spindle ram dimensions: 400 x 440 mm Spindle speed (3 ranges): max 2,500 rpm Spindle power (S1): 91 kW Spindle torque (S1): 9,050 Nm Nwjdoyxg Hbepfx Ah Ujg Internal taper of boring spindle: ISO 50 DIN 69871 AD-Type Big Plus Orthogonal axis indexing head - TTL2 25 360 Tool holder taper: ISO 50 DIN 69871/2 AD-Type Big Plus Max spindle power: 25 kW Max spindle speed: 2,500 rpm Speed ratio: 1:1 Spindle indexing +/- 100°, 200 positions each 1° Head indexing +/-180°, 360 positions each 1° Max nominal spindle torque: 1,000 Nm TH 100 rotary-translating table: Table size: 3,000 x 3,500 mm Load capacity: 100 Tons Central T-slot size: 36h7 mm Lateral T-slot size: 36h12 mm T-slot pitch: 320 mm Longitudinal travel Axis V: 2,500 mm Feed/rapid speed axis V: 10,000 mm/min Chain tool magazine cu 145 r80, 80 tools Machine weight approx. 160/165 Tons Equipped with: - Hinged belt chip conveyor - No. 02 chip conveyors at the sides of the rotary table - Fixed type enclosed accessory store with 2+1 positions - Fixed tool rack (ISO50, 6 places) - External/internal tool cooling system, 30 bar - Radio-transmitting workpiece probe (Renishaw) USED MACHINE YEAR 2009

Stanje: zelo dobro (rabljeno), PC kontrola tipa NC 500 (Software Tooling System) Br. 2 motorizovanih transportnih traka Br. 2 horizontalnih nosača za bušenje Br. 2 bušaće jedinice za svaki horizontalni nosač Maks. radna širina (mm) 3200 - Min. radna širina (mm) 205 (približno) Br. 8 donjih vertikalnih nosača za bušenje Br. 2 bušaće jedinice za svaki donji vertikalni nosač Br. 4 gornjih vertikalnih nosača za bušenje Br. 2 vretena za svaku bušaću jedinicu na gornjem nosaču Br. 5 gornjih vertikalnih stega za radne komade Br. 2 beskonačna puža za odvod strugotine Digitalni prikaz pozicijskih podataka (osa) Ukupna priključna snaga (kW) 48 CNC kontrola upravlja pomeranjem (osa X) horizontalnih nosača za bušenje Nsdpfx Ajyvrrqeh Uewg CNC upravlja pomeranjem (osa X) transportnih traka CNC kontrola upravlja pomeranjem (osa Y) graničnika CNC upravlja pomeranjem (osa Z) svih vertikalnih nosača za bušenje

Stanje: rabljeno, Rabljen stroj za vrtanje oljk Elektro-pnevmatsko upravljanje s nožnim pedalom 7 omejevalnikov levo/desno z lestvico Višina nastavljiva z ročnim koleščkom Nwodpfx Ahjxgp U Uo Usg D/Š/V 3400 mm / 700 mm / 1800 mm Teža cca 90 kg brez garancije

Stanje: novo, Leto izdelave: 2026, SEMI-AUTOMATIC DRILLING SYSTEM “UNIBOHRFIX 50” With the UniBohrFix 50 drilling unit, all profiles can be processed either using the end stop or with the gripper. Drilling is performed manually via the lever, while the materials automatically move along the X-axis to the next drilling position. Drill entire programs conveniently or work with the stop plate to quickly carry out single drillings. The system is suitable for weights up to 100 kg. The unit also includes a minimum quantity spray unit with holder and spray can. Please refer to the table for the technical data of the standard version. If required, all components of the unit can be adapted to your needs. You can choose between different drilling machines, roller conveyors, positioning systems, and clamping vices. Plantec will configure the system so that it fits your needs perfectly! ADVANTAGES A series of holes is made automatically at precise intervals. Potential operator errors are drastically reduced. Programming is completed within a few minutes. Excellent value for money. Significant reduction in manpower requirements. Nwjdpfx Ahsgwt Slj Ujg Standard measuring lengths: 3,000 mm 6,000 mm Drilling machine: Unimax 2 T Spindle: MK2 Continuous drilling capacity: 18 mm Speed ranges: 100-2000 rpm, 200-4000 rpm Throat clearance: 225 mm Distance spindle/table: 60-400 mm Adjustable clamping vice with digital measurement display Positioning stop: PD-100e Control for automatic positioning Positioning: absolute or incremental (chain) Easy-to-read LED display Carriage with DC servo motor Positioning accuracy: +/- 0.1 mm/m Stop arm with spring damping Stop plate with T-slot Memory control for up to 3,000 programs Roller conveyors: RD-200/3 Load capacity: 200 kg/m Roller width: 290 mm Roller diameter: 40 / 50 mm Insert plates Braces for stabilization Control cabinet Available options: - Minimum quantity spray system with spray head and holder - Gripper for clamping material at the stop plate We look forward to hearing from you! Plantec Maschinen GmbH

Stanje: zelo dobro (rabljeno), Leto izdelave: 2001, Funkcionalnost: popolnoma funkcionalen, High-Precision Drilling and Milling Machine Fehlmann Model Picomax 54 Heidenhain TNC 310 Very good condition Technical Data: >> Year of manufacture: 2001 >> Travel X/Y/Z: 500 / 250 / 160 mm >> Travel W: 480 mm >> Clamping surface (L x W): 885 x 320 mm >> Permissible table load: 250 kg Nwedsukf Ncjpfx Ah Usg >> Distance table - spindle nose: 0 – 605 mm >> Feed rate X/Y: 1 – 2000 mm/min >> Feed rate Z: 1 – 1200 mm/min >> Tool quick-change system SF 32 >> Stepless speed range: 9200 rpm >> Drive power: 5 kW >> Space requirement (W x D x H): 1850 x 2550 x 2400 mm About the machine: Offered here is a high-precision drilling and milling machine Fehlmann Model Picomax 54 in very good condition. It is equipped with a Heidenhain TNC 310 contouring control. The program setup is particularly simple thanks to the user-friendly Heidenhain plain text dialog. HEIDENHAIN TNCs are workshop-friendly contouring controls that allow you to program conventional milling and drilling operations directly on the machine using the easy-to-understand plain text dialog. The machine runs very smoothly even at maximum spindle speeds. Mechanically and electrically tested. Take the opportunity to inspect and test this machine under power at our site.

Stanje: zelo dobro (rabljeno), 1 used, very well-maintained thread cutting chuck M 14-30 for cutting internal threads on reversible drilling machines, lathes, and milling machines. Suitable for both horizontal and vertical operation. Brand: BILZ, Origin Germany Model: DSPL 30-MK4 Nsdpfx Ahjwimm No Uswg • With Morse taper shank and tang according to DIN 228 B • With patented double clamping chuck (clamps shank and square) • Elastic length compensation under compression and tension • Axially parallel tilting mechanism and elastic length compensation for cutting pitch-accurate and concentric threads • Suitable for right-hand and left-hand operation Technical Data: Suitable for thread size: M 14 - 30 Morse taper size: MK 4 Clamping range min. diameter: 11 mm Clamping range max. diameter: 23 mm Axial length compensation: 30 mm Projection length: 230 mm Axially parallel compensation: 2 mm Weight: 12 kg Siegfried Volz Werkzeugmaschinen Rüschebrinkstr. 151-153 DE - 44143 Dortmund - Wambel