Used Dmg Vio 210 Microset for sale (3,385)

Condition: good (used), Year of construction: 2013, 1 used tool presetter Manufacturer: DMG Type: Microset Vio 210 Year of manufacture: 2013 Serial no.: 99510021418 Ncodpfx Amoqzgw Asnjt X-axis measuring range: 410 mm Z-axis measuring range: 465 mm With workbench, under-table, 1,400 mm wide, integrated telescopic drawer cabinet, 5 drawers, with 15" Terra monitor, keyboard, mouse, and Dymo 450 label printer

Condition: like new (used), Year of construction: 2011, measuring range X-axis: 100 mm, measuring range Z-axis: 1,000 mm, mount diameter: 100 mm, overall weight: 160 kg, path measurement accuracy: 2 mm, tool weight: 160,000 g, Year of construction: 2011 Fully automatic with manual options Intuitive input of automatic measurement cycles Wear-free and maintenance-free linear motors Flexible control console From manual to fully automatic Low distortion even under the maximum permissible load thanks to its high installed weight FEM-optimised and thermally stable cast iron construction RFID – data carrier system Njdpfxsyzzb Sj Amnsct Customer-specific data storage Measurement processes with integrated data retrieval and storage Integration of all popular RFID systems The read / write head can be positioned automatically and manually for all popular tool holder systems Technikal data Length and diameter up to 1,000 mm Max. tool diameter for measuring according to snap gauge principle 100mm Maximum tool weight 160 kg Tool holder SK50 (additional holders availale from company HAIMER/Microset) Concentricity at the spindle nose 2 μm Repeatability ±2 μm Tool preseting Quick and precise measuring results thanks to intuitive operation Accurate measurement values for complex and helical cutters with the precise focus window User administration and access privileges Display currently in 16:9 format Cross hair fixed / floating with automatic measurement lines and automatic contour evaluation One design for the software of all equipment classes Windows 7 Professional or Ultimate, whatever you need Data exchange Post-processed data is transferred to the relevant data exchange drive either via the network or via USB. All equipment can provide tool data to almost any software (tool management, databases, CAD / CAM) via a bidirectional interface – irrespective of whether.

Condition: used, Year of construction: 2003, travel -x axis 180 mm travel -z axis 370 mm Ncjdpfxsydqnfj Amnot Total weight, approx. 65 kg dimensions of the machine ca. 2,0 x 1,2 x 2,0 m Tool Presetter DMG Microset - ECO 1

Condition: good (used), Year of construction: 2008, Ref. -No.: 10626 Manufacturer: DMG Type: DMU 210 P Year of construction: 2008 Type of control: CNC-Steuerung Control: Heidenhain ITCN 530 Storage location: Halberstadt Country of origin: Germany Ncodpfxjy H Er Es Amnot X-Travel: 1800 mm Y-Travel: 2100 mm Z-Travel: 1250 mm B-Axis: -30 / +180 ° C-Axis: 360 ° Table Load: 8000 kg Clamping Area: 1.700 mm Tool Taper: HSK - 100 Spindle Speed: 10.000 RPM Max. Torque: 288 Nm No. Of Working Stations: 60 coolant reservoir: 40 bar L. Further information: - The DMG DMU 210 P 5-axis machining center is suitable for high-precision machining of large, heavy workpieces. - Direct position measuring systems in all axes - Heidenhain TS workpiece measurement - Electronic handwheel setup mode - Chip conveyor chip disposal - Double gripper tool changer - Motor spindle technology The machine can be viewed under power by arrangement.

Condition: good (used), Year of construction: 2011, Ref. -No.: 10615 Manufacturer: DMG Type: DMU 210 P Year of construction: 2011 Type of control: CNC-Steuerung Ncjdpfxsy H Epwj Amnet Control: Heidenhain ITNC 530 Storage location: Halberstadt Country of origin: Germany Machine-No.: 128/XXXX X-Travel: 1800 mm Y-Travel: 2100 mm Z-Travel: 1250 mm Swivel range: -30 / +180 ° Table Load: 10000 kg Max. rotary table diameter: 1700 O Table speed range: 12 min/-1 Tool Taper: HSK 63 Numbers Of Tools In Magazin: 60 Spindle Turning Speed - Stepless: 24.000 RPM Weight Of The Machine Ca.: 41 t Motor spindle: 24000 RPM Feed drive A, C: 30 min/-1 horizontal milling head: 130-1.380 mm vertical milling head: 230-1.480 mm Further information: The machine can be viewed while powered up.

Condition: good (used), Year of construction: 2010, Ref. -No.: 10287 Manufacturer: DMG Type: DMC 210 FD Year of construction: 2010 Type of control: CNC Control: Heidenhain Mill Plus Storage location: Halberstadt Country of origin: Deutschland Ncsdpfx Aoy Edzpsmnjt X-Travel: 2100 mm Y-Travel: 2100 mm Z-Travel: 1250 mm Machine length: 11.000 mm Machine width: 5.000 mm Machine Height: 3.500 mm Max. Workpiece diameter: 2500 mm Max. Workpiece Weight: 6.000 kg Max. rotary table diameter: 1.850 O Table speed range: 250 min/-1 Tool Taper: HSK-A100 Tool Piece Magazine With: 183 Pcs./pcs. Spindle Speed: 12.000 RPM Max. Torque On The Boring Spindle: 288 Nm Max. Torque: 2.000 Nm Feed Speeds X/Y/Z Axis: 30.000 mm / min Max. Workpiece height: 1.460 mm axes: 5 Further information: Turning and milling center incl. pallet changing system Gear spindle Coolant treatment system, with belt filter, 710 x 50mm 1 Knoll 600S2 chip conveyor 2 Losma oil mist extraction units 1 steel platform (storage space for clamping device): 5,300 x 2,900 mm - Axes renewed 11.2024 - New encoder, electrical components renewed - Geometry protocols available Machine is still in production and under power. The machine can be viewed at any time by appointment.

Condition: used, Year of construction: 2016, machine/vehicle number: 127300000073, total height: 4,500 mm, total length: 9,000 mm, total width: 6,500 mm, overall weight: 46,000 kg, DMG MORI DMU 210 P Universal Machining Center in heavy-duty duoBLOCK design for 5-axis positioning and simultaneous machining.The machine features a Heidenhain TNC 640 3D control system and a large working area of X 2,100 mm / Y 2,100 mm / Z 1,250 mm.The machining center is equipped with a continuously positioning universal milling head with a controlled B-axis and an integrated motor spindle. The swivel range extends from the horizontal position to a maximum of 250°. Additionally, the machine is equipped with an NC rotary table Ø 1,700 mm with direct path measurement system and 360° positioning. The permissible table load is approximately 8,000 kg.The SK50 motor spindle reaches speeds from 20 – 12,000 rpm with a power output of 52 kW / 42 kW and a torque of up to 430 Nm.Tool magazine as a wheel magazine with 63 tool positions and double gripper.Equipment includes, among others:IKZ high-pressure system 80 bar, frequency controlledBlow air through spindle centerBlum Laser NT Hybrid tool measurementM&H infrared measuring probe3D quickSET expansion packageACC active chatter suppressionMPC Machine Protection ControlApplication Tuning Cycle ATCOil and emulsion mist separatorFull protective cabinChip conveyor4-color signal lampVirtual axis for TNC640RMS Relocation Machine SecurityMachine design for installation in a pit (depth approx. 780 mm).Feed rates up to 60,000 mm/min and rapid traverses up to 60 / 40 / 40 m/min.Machine from industrial use with extensive equipment for demanding applications in tool, mold, and mechanical engineering.Control ON: 47,888 h - Operating hours: 21,228 h 5-axis machining: Yes Njdpsyxmicsfx Amnect Travel Z-axis: 1250 - mm Travel X-axis: 2100 - mm NC rotary table: Yes Dimensions (LxWxH) approx.: 9000 x 6500 x 4500 mm Weight approx.: 46,000 kg Serial number: 12730000073 Travel Y-axis: 2100 - mm Year of construction: 2,016 Condition: good Terms of payment: 100% prepayment before pick-up Terms of delivery: From foundation under power: Yes

Condition: used, Year of construction: 2007, CNC Turning and Milling Center Machine type: DMG CTX 210 V3 Control: Heidenhain CNC Pilot 4290 Year of manufacture: 2007 Available from: immediately / now TECHNICAL DATA: Max. turning length: 365 mm Turning diameter: 290 mm Max. swing diameter over bed: 380 mm C-axis Nodpfey Ecuhjx Amnoct Spindle speed range: 20 - 6,000 rpm Bar capacity: 56 mm Travel distances: X-axis: 160 mm Z-axis: 339 mm Number of turrets: 1 Tool holder: VDI 30 Tool stations: 12 Driven tools: 12 Tailstock Space requirements (LxWxH): 2.88 m x 1.72 m x 1.67 m Machine weight: 4,200 kg Features: Operating manual / instruction manual

Condition: used, Year of construction: 2006, Lathe DMG Gildemeister CTX 210 Year of manufacture: 2006 Ncedpfx Aoyhlzuomnst

Condition: ready for operation (used), functionality: fully functional, Year of construction: 2008, operating hours: 11,360 h, machine/vehicle number: 1115000189 7, table length: 400 mm, table width: 300 mm, travel distance X-axis: 400 mm, travel distance Y-axis: 300 mm, travel distance Z-axis: 500 mm, table load: 50 kg, No minimum price - guaranteed sale to the highest bidder! TECHNICAL DETAILS Travel X-axis: 400 mm Travel Y-axis: 300 mm Travel Z-axis (focusing axis): 500 mm Nsdpfx Aoy N N Ivemnsct Rapid traverse X/Y/Z: 20 m/min Acceleration: 0.3 g Table size: 400 mm x 300 mm Table load capacity: max. 50 kg MACHINE DETAILS Laser type: Nd:YAG (lamp) / Nd:YVO4 (diode) Average laser power (lamp): 100 W Average laser power (diode): 15 W Laser spot diameter: approx. 0.03 mm Laser area: 60 mm x 60 mm Weight: 2,200 kg Voltage: 400 V Operating hours Cutting hours: 11,360 h Power-on hours: 45,628 h

Condition: ready for operation (used), Year of construction: 2015, operating hours: 6,361 h, functionality: fully functional, travel distance X-axis: 600 mm, travel distance Y-axis: 560 mm, travel distance Z-axis: 510 mm, rapid traverse X-axis: 36 m/min, rapid traverse Y-axis: 36 m/min, rapid traverse Z-axis: 30 m/min, controller manufacturer: Siemens, controller model: 840D ShopMill, workpiece length (max.): 900 mm, workpiece width (max.): 560 mm, workpiece height (max.): 630 mm, workpiece weight (max.): 600 kg, total height: 3,000 mm, total length: 4,000 mm, total width: 5,000 mm, table width: 900 mm, table length: 560 mm, table load: 600 kg, overall weight: 5,000 kg, spindle speed (max.): 12,000 rpm, operating hours of spindle: 6,361 h, spindle nose: SK40 (DIN69871), number of spindles: 1, number of slots in tool magazine: 30, input voltage: 400 V, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, We have acquired this Japanese DMG MORI ecoMill 600V directly from production and it is in very good condition. The CMX 600V (ecoMill 600V) features a C-frame design (classic configuration) and a movable table (X-axis), which makes it suitable for general/all-round milling tasks. Additional options & accessories: - Siemens 840D SlimLine including 3D simulation. - PROGRESSLine (indicates the remaining production time and quantity for a complete machining process). Nedpfxsy Dg Eue Amnsct - Chip conveyor - Rinsing gun - Preparation for internal cooling - Original documentation

Condition: defective spare-parts repository (used), Year of construction: 2000, 5-axis machining center DMG Type:DMU125 P Year 2000 Control Heidenhain TNC430 Machine with HV milling head and NC swivel rotary table. Spindle holder ISO 50 Spindle speeds up to : 8000 rpm Travel X 1250 mm Y 880 mm Z 800 mm A-axis and B-axis Tool magazine pos.120 . Machine documentation available Nsdpfx Amsuwnzvonoct Machine is not ready for use without chip conveyor .

Condition: good (used), Year of construction: 1993, CNC universal milling machine DMG MORI Type: MH 600 C Control MAHO 532 year 1993. with automatic swivel milling head G17/G18 and B -axis rotary table. Without tool changer. Further data see data sheet. Complete machine documentation and data backup available. Good general condition. Nedpfxjiihxhj Amnect

Condition: used, Year of construction: 2019, operating hours: 23,121 h, machine/vehicle number: 14505774804, Catalog No.: 1.1, chip conveyor, HEIDENHAIN TNC-640 control system (5 axes/simultaneous), 60-position tool changer SK40, table surface/simultaneously controllable rotary table: 630x500 mm, max. table load: 200 kg, travel ranges X/Y/Z: 650/520/475 mm, direct measuring systems for B- and C-axes, plane transformation, connection to central oil mist extraction system, external programming option via Mastercam, with 1 workpiece automation system from HALTER, type: LoadAssistant U-35, year of manufacture: 2019, serial number: DCH0284, item code: X92850, sales order no.: DS09801, with 3D robot Assistant Automation S180-20 handling robot from FASTEMS, subject to prior sale. Ncjdpjy T Nxpefx Amnot

Condition: used, Year of construction: 2021, operating hours: 14,800 h, machine/vehicle number: 14505787934, Catalog No.: 1.6, with automatic loading, DMG MORI DMU 50, control system HEIDENHAIN TNC-640 (5 axes/simultaneous), tool holder SK40, clamping surface/simultaneous rotary table: 630x5,000 mm, max. table load: 200 kg, travel distances X/Y/Z: 650/520/475 mm, special features: direct measuring systems for B and C axes, plane transformation, connection to a central oil mist extraction system, external programming option via Mastercam, chip conveyor, subject to prior sale. Ncsdpfey T Nwlsx Amnjt

Condition: used, Year of construction: 2020, operating hours: 17,031 h, machine/vehicle number: 00830004341, Catalog No.: 2.2, as a twin-spindle machine, SIEMENS 840D sl Operate control system, max. speed of turning and milling spindle: 10,000 rpm, max. drive power: 20 kW, max. torque: 120 Nm (100% ED), largest turning diameter: 360 mm, largest turning length: 1,200 mm, bar capacity: 102 mm, Capto C6 tool changer, tool magazine chain with 80 magazine positions, Y-axis travel: +/- 120 mm for eccentric machining, swivel range of the B-axis: +/- 110°, special equipment: hydraulic self-centering steady rest (25-199 mm), counter-spindle with tailstock function, fine chip removal system for cast iron machining, groove milling function, connection to central oil mist extraction system, external programming option via Mastercam, chip conveyor, subject to prior sale. Nedpfx Aoy T Nw Ejmnsct

Condition: used, Year of construction: 2020, operating hours: 13,641 h, machine/vehicle number: 00820028701, Catalog No.: 2.3, as a twin-spindle machine, with SIEMENS 840D sl Operate control system, max. speed of turning and milling spindle: 10,000 rpm, max. drive power: 20 kW, max. torque: 120 Nm (100% duty cycle), largest turning diameter: 360 mm, largest turning length: 800 mm, bar passage: 102 mm, Capto C6 tool changer, tool magazine chain with 80 magazine slots, Y-axis travel: +/- 100 mm for eccentric machining, swivel range of the B-axis: +/- 110°, special equipment: counter-spindle with tailstock function, groove stop function, connection to a central oil mist extraction system, external programming option via Mastercam, chip conveyor, subject to prior sale. Nsdpfx Amoy T Nxcsnect

Condition: used, Year of construction: 2023, operating hours: 7,103 h, machine/vehicle number: 0031001593C/3984914, Internal No.: 2.4, Speed: 4,000-5,000 rpm, Weight: 6,400 kg, Maximum turning diameter: 200 mm, Maximum turning length: 1,000 mm, Spindle bore: 65 mm, CNC control: DMG MORI SLIMline Sinumerik 840 D Solutionsline, 16-position tool turret with driven tools: 5x radial, 6 (8) radially or axially driven tools, Y-axis +/- 600 mm, Counter spindle, 1 chip conveyor DMG MORI MTR032-23, with 1 automated bar feeder BREUNING, Type: Irco ILS-MUK-10012-III, Year of manufacture: 04.2023, Machine No.: 74 112 287, Weight: 850 kg, Subject to prior sale. Njdpfx Aey T Nw Semnect

Condition: used, Year of construction: 2010, turning diameter 700 mm turning length 1250 mm control Siemens 840 G Ergoline Nedpfx Amoy T R Rmjnoct spindle passage 104 mm spindle speed: 4000 spindle motor 35/45 kW max. torque on the spindle 600/700 Nm Spindlespeed subspindle 4000 U/min milling head -swivable ° turning speed range - milling 00 U/min tool taper Capto C6 tool magazin: 36 y-axis +/- 200 mm mm weight of the machine ca. 18,5 t Used CNC- Lathe with sub- spindle and milling head - milling head full axis + 1° clamping - chipconveyor - aircondition for elextric box - new milling spindle in 2025 - absolute scale X/Y/Z1 axis - Shop Mill dialig programming - 8/20 bar coolant programmable - band filter system - Bar package (Partscatcher, prepared for ba magazin) Machine sold without jaws.

Condition: used, Year of construction: 2018, liter capacity 600 l Pressure of pump 2 / 3 / 40 bar control Schütze / Contactors total power requirement 11 kVA weight of the machine ca. 450 kg dimensions of the machine ca. 1,80 x 1,35 x 1,70 m Coolant System INTERLIT (DMG) - BFA 600-A/40/2/3 50/60 HZ - Very good condition - Connected to DMU 50 3rd Edition Ncedox Urn Ajpfx Amnot - Controllable via contactors - Incl. paper belt filter - Number of pumps: 3 - Pump capacity: 0.63 kW, 2,750 rpm (50 Hz), 60 l/min, 20 m 2.89 kW, 3.75 HP, 2,880 rpm (50 Hz), 24/22-30/27 l/min 3.10 kW, 4.20 HP, 2,930 rpm (50 Hz), 160 l/min, 40 m

Condition: used, Year of construction: 2014, turning diameter max. 366 mm turning length 705 mm control M 730 BM MAPPS IV 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 A-8 spindle bearing diameter 140 mm spindle bore 91 mm max. usable bar diameter 80 mm chucking diameter 250 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 max. usable bar diameter ( - ) mm chucking diameter 170 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. tool taper BMT 60 Schank height for square tool 25 mm Nsdpfxeu Hq Rle Amnoct Drill shank diameter 50 mm turret change time 0,27 sec. Spindle speed - driven tools max. 10.000 min -1 power capacity - driven tools 5,5 / 3,7 kW total power requirement 40 kVA weight of the machine ca. 6,4 t dimensions of the machine ca. 5,0 x 3,0 x 2,3 m CNC - Turning- and MillingCenter DMG MORI - NLX 2500 SY / 700 - Main- and Subspindle - C-Axis - Y-Axis - Tool-Drive

Condition: used, Year of construction: 2018, 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 Ncodpfx Amovy Ig Honot 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 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. 5,0 x 3,0 x 2,3 m CNC - Turning- and MillingCenter DMG MORI - NLX 2500 SY / 700 - Subspindle - Tool-Drive - C, Y-Axis

Condition: used, Year of construction: 2013, x-travel 1.135 mm y-travel 1.050 mm z-travel 750 mm control iTNC 530 Heidenhain turning speed range - main spindle max. 14.000 min/-1 power capacity - main spindel 19 kW max. Torque 100 Nm tool taper HSK-A 63 Njdpfx Ajyztyajmnsct table surface area 1.400 x 1.050 mm max. table load 2.500 kg max. workpiece sizes 1.400 x 1.240 mm max. workpiece height 750 mm number of toolpositions 30 pos. tool taper HSK-A 63 max. tool diameter 80 mm max. tool-dia with free toolbox 160 mm max. tool length 365 / 395 mm max. tool weight 8,0 kg change-time chip to chip 6,1 sec feed speeds max. 40.000 mm/min rapid traverse 40 m/min Accelaration 6 m/s² Feed force ( X / Y / Z ) 14 / 20 / 14 kN total power requirement 44 kVA weight of the machine ca. 14,4 t dimensions of the machine ca. 6,0 x 5,0 x 3,3 m CNC - MachiningCenter Vertical DMG MORI SEIKI - DMU 105 monoBLOCK - Spindle hours: approx. 9,518 h - Production package: (Chip conveyor, 600 l coolant system, paper belt filter, internal coolant supply 40 bar / 23 l/min through spindle center) - Air Clear: Air curtain for viewing window

Condition: used, Year of construction: 2019, x-travel 500 mm y-travel 450 mm z-travel 400 mm control SlimLine Siemens turning speed range - main spindle max. 12.000 min/-1 power capacity - main spindel 13 / 9 kW Nedeyw Titjpfx Amnsct max. Torque 83 / 57 Nm tool taper SK 40 table surface area 630 x 500 mm max. table load 200 kg Swivel range B: -5 / +110 ° rotation range C: 360 ° T-slots 7x 14 x 63 mm number of toolpositions 30 pos. max. tool weight 8,0 kg max. tool diameter 80 mm max. tool-dia with free toolbox 130 mm max. workpiece length 300 mm change-time tool to tool 2,7 sec change-time chip to chip 7,0 sec rapid traverse X/Y/Z: 30 m/min Feed force 4,5 kN feed speeds 1 - 30.000 mm/min total power requirement 30 kVA weight of the machine ca. 4,7 t dimensions of the machine ca. 4,5 x 3,5 x 3,2 m CNC - Milling Machine Universal DMG MORI - CMX 50 U - 5 Axis - swivable rotary table - Spindle-hrs.: only ca. 2264h - Power On Hours: ca. 6706h - incl. div. cutting inserts, milling cutters, mounting aids

Condition: ready for operation (used), Year of construction: 2015, operating hours: 1,748 h, travel distance X-axis: 635 mm, travel distance Y-axis: 510 mm, travel distance Z-axis: 460 mm, controller manufacturer: SIEMENS, controller model: SINUMERIK control (828D), table load: 600 kg, overall weight: 3,900 kg, spindle speed (max.): 12,000 rpm, spindle motor power: 17,000 W, number of slots in tool magazine: 20, number of axes: 3, This 3-axis DMG MORI ecoMill 635 V was manufactured in 2015. It features an X-axis travel of 635 mm, Y-axis travel of 510 mm, and Z-axis travel of 460 mm. The machine has a robust table size of 900 x 560 mm and a maximum table load of 600 kg. If you are looking to get high-quality machining capabilities, consider the DMG MORI ecoMill 635 V vertical machining centre we have for sale. Contact us for further details. • CNC control: electronic handwheel • Operating hours: Power on approx. 13,550 h; Spindle cutting approx. 1,748 h • Table: 900 × 560 mm • Spindle: 12,000 rpm; SK40 / ISO40; Power approx. 13–17 kW • Tool magazine: 20 positions; Automatic double‑arm tool changer • Feed rates: Rapid traverse 30 m/min • Coolant: Flood coolant system • Drives: Digital AC servo drives Nedpfx Amsy T R I Ejnsct • Electrical: 400 V / 50 Hz / 3‑phase; Rated power 17 kVA • Dimensions (approx.): 3000 × 2200 × 2600 mm • Other: Machine connected and under power; very low spindle cutting hours for the year; good technical condition Additional equipment • Chip conveyor Technical Specification Taper Size SK 40