Used Logs Milling for sale (10,618)

Condition: used, Year of construction: 2005, machine/vehicle number: 52-610-370, PCI Scemm Meteor 5 V6.1 4-Axis Horizontal Machining Center Bsdpfx Aexx Apijflelr X/Y/Z 630mm, spindle 15.000rpm / HSK-63-A, B-Axis rotary table, CNC SIEMENS SINUMERIK 840 D

Condition: used, Year of construction: 2019, x-travel 2.000 mm y-travel 820 mm z-travel 720 mm Control Mazatrol Smooth G spindle taper SK 40 spindle turning speed range 35 - 12.000 U/min spindle motor 22 kW distance spindle centre table top edge 140 - 860 mm table load 1700 Kg rapid travel x/y/z 50 m/min table width 820 mm table length 2500 mm table height over floor 870 mm T-slots 7 T-slot - width 18 mm T-slot - distance 100 mm tool change unit 48 tool changing time 4,7 sec wotkpiece diameter with 2 vacant positions 130 mm workpiece diameter at full load 80 mm max. tool weight 8 kg tool length - max. 350 mm air pressure - required 5 - 9 bar Bedpstuggcjfx Aflslr Air volume 260 l/min electrics - voltage/frequency 400 / 50 V/Hz coolant tank 450 l high-performance coolant system 25 bar total power requirement 46,7 kW weight of the machine ca. 14,8 t dimensions of the machine ca. 4,3 x 3,6 x 3,1 m STANDARD ACCESSORIES Transformer for the European market USB port (1 port) Mazak standard colour Spindle speed 12,000 min-1 (steep taper 40) Work area lighting SAFETY DEVICES Operator door with locking switch Work area panelling The splash guard encloses the working area from the side. Fully enclosed work area Protection against chips, coolant and access to the work area during automatic machining. Safety precautions in accordance with global standards COOLANT SUPPLY Coolant supply through spindle (pressure at the pump = 5 bar) Complete coolant system includes pumps, valves, pipework and nozzles for the efficient production of quality components. FACTORY AUTOMATION Automatic switch on/off and warm-up function Automatic switch-on of a warm-up cycle via digital timer MEASUREMENT SYSTEM Tool length measurement and tool breakage detection CHIP DISPOSAL Factory preparation for chip conveyor (left) NUMERICAL CONTROL Fixed control/operating unit Relocation Detector Mazatrol SmoothG control unit 19" LCD colour screen (touch screen) Mazak tapping/drilling cycle Tornado (Mazatrol) By drilling and tapping in helical machining mode, a wide range of diameters a wide range of diameters can be machined at high speed with a wide range of diameters can be machined at high speed with just one tool. This function minimises programming and machining times. EIA/ISO input function Tool path check in the background The tool path of a programme can be checked even if another programme number is programme number is called up and processed in automatic mode. 3D coordinate conversion Shape compensation for rotating axes Mazacc 2D software (contour correction) Accuracy is maintained at high feed rates. Mazacc-3D software package for high-speed machining High-speed and high-accuracy machining for contours defined in the finest programme contours defined in the finest programme increments. MAZACC-3D high-speed software package (NO456) is additionally required. Control with high smoothing Interface for LAN SD Memory Card I/F Smooth standard software for M/C - NO443 B) MAZACC-2D software (workpiece shape compensation) - NO444 D) MAZACC-3D high-speed software package - NO445 B) Shape compensation for rotating axes - NO497 D) High accuracy control for finishing operations - Seamless corner point control - Variable acceleration control - Ultra high speed machining mode - NO498 Rapid traverse paths Rounding function Absolute positioning system Machine incl. the f...

Condition: good (used), Year of construction: 1996, feed length X-axis: 700 mm, feed length Y-axis: 550 mm, feed length Z-axis: 500 mm, travel distance X-axis: 700 mm, travel distance Y-axis: 550 mm, travel distance Z-axis: 500 mm, feed rate X-axis: 10,000 m/min, feed rate Y-axis: 10,000 m/min, feed rate Z-axis: 10,000 m/min, spindle speed (max.): 4,500 rpm, spindle speed (min.): 25 rpm, rapid traverse X-axis: 10,000 m/min, rapid traverse Y-axis: 10,000 m/min, rapid traverse Z-axis: 10,000 m/min, mount diameter: 40 mm, table length: 1,000 mm, table width: 500 mm, overall weight: 3,500 kg, X-axis / longitudinal 700 mm Y-axis / transverse 550 mm Z-axis / vertical 500 mm Table dimensions 1000 x 500 mm Spindle speed range stepless in 3 gear steps 25 - 4200 rpm Tool holder SK 40 Feed range X-Y-Z 1 - 10000 mm/min Rapid traverse X-Y-Z 10000 mm/min Weight approx. 3500 kg Control: Heidenhain TNC 407 - TNC 415 Bljdpfx Aoxg Rxbjflor

Condition: good (used), Tool holder, milling holder, collet holder, collet chuck, chuck, milling tool, adapter, clamping unit, tool holder, collet sleeves Bjdpfjtxkuhjx Aflelr -Milling holders: SK30 23 pieces -Type: various versions, see photos -Price/Delivery: complete -Transport dimensions: 480/400/H315 mm -Total weight: 20.2 kg

Condition: like new (used), Year of construction: 2011, functionality: fully functional, turning length: 1,090 mm, spindle speed (min.): 4,500 rpm, travel distance X-axis: 455 mm, travel distance Z-axis: 1,090 mm, spindle nose: A 2-6, CNC Turning Milling Centre with 2nd spindle and lower turret Control Fanuc 31i Model A Turning diameter 170 / 245 mm Bedpjxxlpljfx Aflelr Turning length 1090 mm Spindle bore diameter 71 / 51 mm Spindle nose A 2-6 Spindle nose sub spindle A 2-5 Turning speed 4.500 R/min Turning speed sub spindle 6.000 R/min Milling head speed 12.000 R/min Movement X-axis 455 mm Movement Y-axis +70/-70 mm Movement Z-axis 1090 mm B-Axis travel 230° C-Axis indexing 0,001° Tool Taper Capto C6 Tools in tool magazine 40 Bar feeder: LNS Alpha SL65 If you have any questions concerning the machine, please do not hesitate to contact us by phone or e-mail. Feel free to view our other advertisements for a complete overview of our stock.

Condition: excellent (used), Year of construction: 1990, functionality: fully functional, travel distance X-axis: 160 mm, travel distance Y-axis: 450 mm, travel distance Z-axis: 320 mm, spindle mount: MK 1, type of input current: AC, rotational speed (max.): 1,600 rpm, rotational speed (min.): 130 rpm, overall weight: 50 kg, spindle motor power: 250 W, year of last overhaul: 2023, Equipment: documentation/manual, rotational speed infinitely variable, HOBBYMAT BFE 65 PRECISION MILLING MACHINE WITH EXTENSIVE ACCESSORIES Bodpfx Aex Ak Rijflslr For sale: Professional Hobbymat BFE 65 milling machine in perfect condition, including comprehensive accessory package. This East German precision machine (circa 1985-1992) has been lightly used for hobby work and never deployed industrially. SPECIFICATIONS: • 4-speed gearhead: 315, 560, 900, 1600 rpm • Motor: 0.25-0.29 kW with KIMO digital frequency inverter • Table travel: 160 x 450 mm (X-Y axes) • MT1 spindle taper • Digital readout (DRO) system on table • Complete documentation included COMPREHENSIVE ACCESSORY PACKAGE INCLUDED: ✓ Precision rotary/dividing table with 4-jaw independent chuck ✓ Complete T-slot clamping kit in red case (clamps, step blocks, studs, nuts) ✓ Precision milling vise ✓ Multiple HSS drill bit sets in wooden storage blocks ✓ End mill set in wooden storage ✓ Countersinks, center drills, reamers ✓ Tool holders and MT1 arbors ✓ Complete manuals (German) CONDITION: Great condition, well maintained, all functions operate excellently. Machine is fully operational and is currently connected and ready for a demo in Apeldoorn The Netherlands. It will be moved to conditioned storage in Zoetermeer The Netherlands before Christmas. PRICE: € 3,000 (complete package, not separable) Collection: Currently Apeldoorn NL, soon Zoetermeer NL A complete, professional milling setup in close to perfect condition. The comprehensive accessory package alone is worth €800-1200. This East German precision machine with digital control and DRO system provides you with all necessary tools and work holding for professional work immediately. Interested? Contact me for viewing!

Condition: used, Year of construction: 2000, machine/vehicle number: 5184, Danobat Danocenter NA-750 CNC Turning + Milling Center Bedpexx Admefx Aflelr max swing 700mm, X/Y 255/520mm, 12-Pos-Upper-Tool-Turret and 8-Pos-Lower-Tool-Turret with driven tooling, Measuring Head, Tailstock, CNC SIEMENS SINUMERIK 840D, 400V 50Hz 45kW, weight 15to

Condition: used, Year of construction: 1982, x-travel 300 mm y-travel 160 mm z-travel 340 mm feeds -stepless- 5-500 mm/min rapid traverse 1200 mm/min spindle turning speed range 40 - 2000 U/min tool taper Normkegel 40 table length 600 mm table width 120 mm voltage 380 V frequency 50 Hz rated current 13 A Bledpsvvnfusfx Aflsr weight of the machine ca. 0,750 t dimensions of the machine ca. 1,8 x 1,5 x 1,8 m DESCRIPTION Machine incl: active three-axis digital readout HEIDENHAIN documentation various tool holders Machine vice etc.

Condition: used, Year of construction: 1990, x-travel 450 mm Bljdpfx Afspxrknslsr y-travel 400 mm z-travel 400 mm control Heidenhain 355 total power requirement 4 kW weight of the machine ca. 2,4 t

Condition: good (used), Tool holder, milling holder, collet holder, collet chuck, chuck, milling tool, adapter, clamping unit, tool holder, collet sleeves -Milling holders: SK30 34 pieces Bljdpotpdmnofx Aflor -Collet sleeves: 27 pieces -Type: various versions, see photos -Price/Delivery: complete -Transport dimensions: 650/550/H250 mm -Total weight: 29.1 kg

Condition: used, Year of construction: 2003, Technical details: turning diameter: 270 mm weight of the machine ca.: 6,5 t max. swing diameter: 590 mm Blodpfex Aq Emjx Afljr with automatic loading and unloading system G300 with "spindle bore clamping capacity 90mm" in tailstock version *

Condition: good (used), Year of construction: 2019, functionality: fully functional, HYPERTURN 65-1300 (SM2Y2) DUOTURN with 2 turrets including milling drive and 2 Y-axes High-productivity CNC turning/milling center for complete machining of turned and milled parts with 1300 mm spindle distance Integrated spindle motors (ISM) on the main and sub-spindle (liquid-cooled), preloaded roller guides. Drive power: Main spindle – 29 kW, Sub-spindle – 29 kW Speed range: Main spindle: 0 - 5000 rpm Sub-spindle: 0 - 5000 rpm Spindle interface (DIN 55026): Main spindle: KK 6 (Max. bar capacity ø 77 mm) Sub-spindle: KK 6 Blsdpfx Afox Auyzelor Y-axis on both turret slides: • Travel range: +/- 50 mm Includes: • Hollow clamping cylinder incl. draw tube • Parts ejector and flushing through the sub-spindle • Sinumerik 840D-sl/OPERATE control system o emcoNNECT/app-based user interface o 22" multi-touch display o IPC with 240 GB o SHOPTURN dialog programming o USB interface o Network drive/Ethernet o 3D simulation and more • 2x 12-position BMT tool turrets, mounted radially with direction logic for up to 2x 12 driven tool stations! Swing speed adjustable with feed override switch. o Performance data: o Max. 6.7 kW at 2650 rpm o Constant torque: 25 Nm o Speed range: 0-5000 rpm o C-axis for main and sub-spindle o TRANSMIT software for easy C-axis programming • Chip conveyor Chip conveyor 2 pcs. high-pressure pumps with 14 bar 2 pcs. coolant pumps with 3.7 bar • Control cabinet cooling unit • Hydraulic power pack • Machine light • 230 V socket at control panel • 5 pcs. leveling elements • Documentation MT65/HT65 BigBore77-LEFT Bar capacity 3 inches (ø76.2 mm) instead of ø65 mm (main spindle). Draw tube connection: M85 x 2 Spindle interface (DIN 55026): A2-8 Max. speed: 4000 rpm Max. torque: 250 Nm Max. power: 29 kW Max. chuck size: ø250 mm MT65/HT65 BigBore77-RIGHT Instead of the 65 mm sub-spindle, the 76 mm sub-spindle with spindle interface KK8 incl. parts ejector is installed. Draw tube connection: M85 x 2 Spindle interface (DIN 55026): KK8 Max. speed: 4000 rpm Max. torque: 250 Nm Max. power: 29 kW Max. chuck size: ø250 mm BMT turret (top right) with direct drive for HT65DT/HT65TT/MT65 The VDI30 standard turret is replaced by a BMT turret with BMT55P precision interface. Max. speed: 12000 rpm Max. drive power: 10 kW BMT turret (bottom) with direct drive for HT65-DT/-TT/HT65PM The VDI30 standard turret is replaced by a BMT turret with BMT55P precision interface. Max. speed: 12000 rpm Max. drive power: 10 kW Available immediately

Condition: used, Year of construction: 2005, machine/vehicle number: 6538, Horkos MOH 5-Axis Oil Hole Drilling Machine X/Y/Z 500/150/765mm, B-Axis rotary table with A-Axis unit for part size 630 x dia 190mm, spindle 8.000rpm / HSK-63-A, 12-Pos-ATC, LxW xH, CNC GE-FANUC 160i-MB, LxWxH,ca. 2x4x3m Bsdpfx Afoxxz Spelolr

Condition: good (used), Year of construction: 2009, functionality: fully functional, Technical details x-travel 4000 mm y-travel 1350 mm z-travel (Vert.) 1600 mm Control Heidenhain iTNC 530 table surface area 4200 x 1150 mm table load 13 t tool taper ISO 50 spindle turning speed - stepless 0 - 3000 U/min transmission ratio 2 spindle motor 28/38 kW feed range 5000 mm/min rapid traverse (X/Y) 12 m/min rapid traverse (Z) 10 m/min weight of the machine ca. 37 t dimensions of the machine ca. 12,9 x 6,53 x 3,79 m Additional information In January and October 2025 the milling head was overhauled (new bevel gears and bearings). Total costs 51.000,- Euro. Working hours (dated 31. July 2025): Machine on: 38.483 h Auto cycle: 12.798 h Spindle hours: 11.645 h * CNC-control HEIDENHAIN iTNC 530 * Electronic handwheel * 50-position tool changer * Controlled universal milling head, indexable 2.5 / 2.5 deg. * Coolant device Blodpfx Aexy Nlmsflor * Cooling through the spindle * 2 chip conveyors * Oil cooler * Measuring probe * Machine documentation

Condition: used, Year of construction: 2017, turning diameter max. 356 mm turning length 705 mm control M730 UM Mapps CELOS greates pass round over bed 920 mm Swing dia. over traverse guideway 742 mm turning speed range - main spindle 4.000 min/-1 power capacity - main spindel 18,5 / 15 kW spindle nose JIS A2-8 spindle bore 80 (91) mm C-Axis 0,001 ° Spindle speed range subspindle 6.000 min/-1 power capacity - Sub spindle 11 / 7,5 kW spindle bore 43 mm C-Axis 0,001 ° x-travel 260 mm z-travel 795 mm Y - Axis +/-50 mm rapid traverse ( X / Y / Z ) 30 / 10 / 30 m/min number of toolpositions 12 pos. Schank height for square tool 25 mm Drill shank diameter 50 mm turret change time 0,27 sec. Spindle speed - driven tools max. 10.000 min -1 Bjdpfx Afexzk Ifjlolr power capacity - driven tools 5,5 / 4,2 kW total power requirement 41 kVA weight of the machine ca. 6,4 t dimensions of the machine ca. 4,0 x 3,0 x 2,3 m CNC - Turning- and MillingCenter DMG MORI - NLX 2500 SY / 700 - Subspindle - Tool-Drive - C, Y-Axis - only 1.237h Spindle hours

Condition: used, Year of construction: 2012, x-travel 730 mm y-travel 560 mm Bledpfx Afex A H Uqsljr z-travel 560 mm Control Heidenhain iTNC 530 weight of the machine ca. 7 t

Condition: used, Year of construction: 2003, x-travel 350 mm y-travel 240 mm z-travel 340 mm b-axis -15 / +105 ° Bsdsx A H R Sjpfx Aflelr c-axis 360 ° control SINUMERIK 810 D SIEMENS spindle taper SK 40 spindle turning speed range 20 - 6.300 U/min table-size Ø 400 x 290 mm table load 100 kW feeds -stepless- 5.000 mm/min rapid traverse 5,0 m/min power capacity 6,3 / 10,0 kVA voltage 400 V total power requirement 15,0 kVA weight of the machine ca. 1,6 t dimensions of the machine ca. 1,75 x 1,60 x 2,10 m coolant tank 1,10 x 0,30 x 0,40 m - Serial-No.: 11065356904 - Machine ON: 37,474 h - Spindle ON: 1,428 h - Control: Sinumerik 810 D / Shopmill - Electronic handwheel - machine table pivotable - Manual rotation/pivotation of machine table with DRO display on CNC screen - Swivel range b-axis -15° / +105° - Swivel range c-axis 360° - Coolant device - Siemens CCU-Unit changed Dec.2025

Condition: like new (used), Year of construction: 2019, functionality: fully functional, As-new DMG CTX 1250 TC 2nd Generation Siemens 840 sl Operate 21.5" Ergoline 5-axis simultaneous machining Counter spindle ISM 76 synchronized 48 tool positions HSK 63A DIN 69893 Year of manufacture: 2019 Low operating hours (see photo) Bljdpjx Ah Edjfx Aflsr Max. turning diameter: 500 mm Max. turning length: 1200 mm Draw tube internal max. 77 mm main spindle Further technical specifications in PDF Blum TC 60 touch probe Bar feeder interface Turning/milling spindle with increased speed 20,000 rpm 19/22 kW Scraper-type chip conveyor incl. coolant tank 600 l 8 bar/20 l/min Centrotex clamping system incl. accessories. The machine is available immediately.

Condition: ready for operation (used), Year of construction: 2009, x-travel 560 mm y-travel 320 mm z-travel 400 mm turning speeds 25 - 2000 U/min turning speeds 18 Stufen spindle taper ISO 40 quill stroke 100 mm table: 320x1000 / 450x950 mm table load 125 kg feed range 5 - 400 mm/min feed 18 Stufen rapid traverse 1.400 mm/min workpiece weight max. 125 kg T-slots 7x 14.0 mm total power requirement 4.2 kW weight of the machine ca. 1650 kg. range L-W-H 1800 x 1500 x 1780 mm from a training workshop - good condition (!!) Bljdpfxsxacc Eo Afler New price ~ 25.000 euros - in checked conditions - machinevideo - ?v=2DcUYH1OMRQ Equipment: - electro-motorized universal milling machine - ACURITE 3-axis digital display - electro-motorized adjustment of all axes (X/Y/Z axis) * ball screws X and Y axis * rapid traverse in all 3x directions * electrical locking of all axes - electromagnetic brake for spindle stop * foldable milling spindle guard - coolant system - lower chip tray - vertical milling head with quill adjustment * milling head rotation 90° * tool holder ISO 40 with internal thread M16 - fixed box table 950 x 450 mm * number / size of T-slots 7 pieces / 14.0 mm * distance between T-slots 63.0 mm * minimum distance between base table / spindle axis 163 mm - Counterholder block for horizontal milling - Halogen lighting - Slatted cover on the vertical column guide - 4x machine feet - Central lubrication including container - Original operating instructions

Condition: good (used), Year of construction: 2004, functionality: fully functional, Technical details x-travel 620 mm y-travel 420 mm Bodpexy Nilofx Aflelr z-travel 400 mm Control Heidenhain TNC 410M table surface area 800 x 400 mm tool taper ISO 40 spindle turning speed - stepless 50 - 4000 U/min main drive motor 5,5 kW weight of the machine ca. 2,1 t Additional information * CNC control HEIDENHAIN TNC 410M * Coolant equipment * Machine lamp

Condition: used, Year of construction: 2012, turning diameter max. 366 mm turning length 705 mm control M 730 BM MAPPS IV greates pass round over bed 920 mm Bljdsxzk H Uepfx Afljr Swing dia. over traverse guideway 742 mm turning speed range - main spindle 4.000 min/-1 power capacity - main spindel 18,5 / 15 kW spindle nose JIS A2-8 spindle bearing diameter 140 mm spindle bore 91 mm Spindle speed range subspindle 6.000 min/-1 power capacity - Sub spindle 11 / 7,5 kW spindle nose JIS A2-5 spindle bearing diameter 85 mm spindle bore 43 mm x-travel 260 mm z-travel 795 mm Y - Axis +/-50 mm rapid traverse ( X / Y / Z ) 30 / 10 / 30 m/min number of toolpositions 12 pos. Schank height for square tool 25 mm Drill shank diameter 50 mm turret change time 0,27 sec. Spindle speed - driven tools max. 6.000 min -1 power capacity - driven tools 5,5 / 3,7 kW total power requirement 41 kVA weight of the machine ca. 6,4 t dimensions of the machine ca. 4,0 x 3,0 x 2,3 m CNC - Turning- and MillingCenter MORI SEIKI - NLX 2500 SY / 700

Condition: good (used), Technical data: Travel paths: Longitudinal X-axis: 762 mm Cross Y-axis: 305 mm Vertical Z-axis: 406 mm Quill travel: 127 mm Spindle mount: collet chuck Table size: 1067 x 229 mm Speed range: 50–3750 rpm in two steps Weight: 1000 kg Bedpfx Afjw Ebhmjlolr Equipment: - SONY digital readout, 2 axes (X and Y-axis) - Machine lamp - Drill chuck 0–13 mm - Collet system - Machine vice, jaw width 150 mm - Safety guard, electrically secured, type ZE-FS 30-300, fully mounted - Documentation Condition: good, workshop-tested

Condition: new, The Servomill® FPK 500 is a state-of-the-art Conventional Vertical Milling Machine from KNUTH, designed for superior performance in toolmaking and mechanical manufacturing. This versatile tool seamlessly integrates modern electronics, making it intuitive and capable of operating with exceptional precision. Its robust construction features a console design made of high-quality grey cast iron, ensuring durability and dimensional stability during operation. Noteworthy attributes include powerful servo feed technology with electronic handwheels, enabling infinite variability in feed speeds and precise control across all axes, accompanied by ball screws that eliminate backlash for enhanced accuracy. With a comprehensive variety of standard equipment such as a coolant system, LED worklight, and an automatic lubrication system, the Servomill addresses operational efficiency while minimizing maintenance needs. Perfect for both skilled operators and training environments, this machine exemplifies the best in modern milling technology. Whether you're looking to enhance your production capabilities or train the next generation of machinists, the Servomill® FPK 500 is an ideal choice. Request a quote today to elevate your milling operations with this advanced Conventional Vertical Milling Machine. Blodpfx Ajwa Ah Rjfljr

Condition: new, The FPK 4.3 is a powerful toolroom milling machine that belongs to the category of Conventional Vertical Milling Machines. This versatile tool-milling machine, renowned in tool and mold making, offers a compact design that combines flexibility with ease of use. The premium cast-iron machine column ensures maximum dynamic rigidity and constant precision, complemented by precision preloaded ball screws on all axes for enhanced performance. Operators will appreciate the ergonomically arranged controls and the swivelling control panel that, alongside the standard digital position indicator, provide maximum comfort. With a large work table measuring 400x800 mm and a travel capacity of 500 mm on the X-axis, the FPK 4.3 is perfect for diverse applications in both training and manufacturing environments. Additionally, it features an automatic feed on all axes with infinitely variable speed settings, and a rigid outer arbor for horizontal milling, making it robust yet precise. Explore the extensive accessory package and take advantage of KNUTH’s reputation for quality – order online today and elevate your workshop with this exceptional milling machine. Bjdpfxouyh Dij Aflslr

Condition: new, The FPK 6.3 is a highly versatile Conventional Vertical Milling Machine, ideal for Toolroom Milling Machines, and an essential addition to any mechanical production environment focused on tool and mold making. This compact yet robust machine features a premium cast-iron column for maximum dynamic rigidity and constant precision. Operators will appreciate the ergonomically arranged controls, swivelling control panel, and digital position indicator, which enhance usability. With precise preloaded ball screws on all axes, an automatic feed system with rapid feed, and an infinitely variable main spindle drive, it ensures efficient operation and precision. The large work table and generous travel dimensions further support its versatile applications. Included with the FPK 6.3 is an extensive accessory package alongside standard equipment such as electronic hand-wheels and a central lubrication system. Experience the robust performance of KNUTH's FPK 6.3 and consider ordering online to elevate your milling capabilities today. Blodpfx Aeqhkm Sefler