Used Doosan Cnc Machining Center Doosan Dnm 750 Ii for sale (73,562)

Condition: ready for operation (used), Year of construction: 2004, operating hours: 11,298 h, functionality: fully functional, machine/vehicle number: 665001, travel distance X-axis: 700 mm, travel distance Y-axis: 550 mm, travel distance Z-axis: 450 mm, workpiece weight (max.): 2,000 kg, spindle speed (max.): 42,000 rpm, number of slots in tool magazine: 40, No minimum price – guaranteed sale to the highest bidder! Submitting a bid obligates you to collect the item within the period of September 21st to October 1st! TECHNICAL DETAILS Travel in X-axis: 700 mm Travel in Y-axis: 550 mm Travel in Z-axis: 450 mm Feed Axes Max. travel speed X, Y, and Z axes: 30 m/min Max. acceleration X, Y, and Z axes: 15 m/s² Positional accuracy TP according to DIN ISO 230-2: 0.005 mm Repeatability: 0.002 mm Work Table Table length: 850 mm Table width: 700 mm Number of T-slots: 5 T-slot dimensions: 18 H12 Table load: 2,000 kg Max. workpiece weight: 2,000 kg Distance spindle center – table: 550 mm Spindle Spindle mount: HSK-E 40 Spindle speed: 3,000 - 42,000 rpm Spindle power: 17 kW Ijdpfx Afez Aplleuoih Tool Changer Tool magazine positions: 40 MACHINE DETAILS Machine type: CNC HSC machining center CNC control: Andronic Electrical Connection Data Supply voltage: 400 V Supply frequency: 50 Hz Fuse rating: 32 A (?) Dimensions and Weight Overall length: 3,300 mm Overall width: 2,300 mm Overall height: 2,300 mm Overall weight: 7,700 kg Operating Data Machine operating time: 275 d 5 h 13 min 39 s Spindle operating time: 11,297 h 20 min 11 s EQUIPMENT - Full enclosure - Dust and fluid-proof guides - Oil mist extraction - Compressor cooler - Frequency inverter - Heidenhain glass scales in X, Y, and Z axes - Work light in the interior - Technical documentation - Workbench - HSK-E-40 tool holders - Tools - Workbench dimensions: approx. 1,500 × 900 × 1,100 mm External Reference: Demo - Lot 2

Condition: good (used), Year of construction: 2001, Parts shown by hand not come. Technical data shown on pictures. Iedpsuxrv Hjfx Afusih

Year of construction: 2005, condition: ready for operation (used), A Maka CNC 4-axis milling and drilling machine for plastic, wood and aluminum is available. Travel X/Y/Z: 2000mm/6000mm/250mm, C-axis: 360°, rapid traverse X/Y/Z: 45m/min/45m/min/24m/min, spindle mount: HSK63, spindle power: 12kW, spindle speed: 24000rpm. Tool places: 12, angle head places: 3, machine dimensions X/Y/Z: 12000mm/5700mm/3200mm, control: BWO 920, documentation available. On-site inspection is possible. Iiodpfx Ajvmq Tvjfuoh

Condition: excellent (used), Year of construction: 2002, OKUMA Euro Center V50 Year of construction 2002 Control system Iederfw Nhepfx Afuoih OSP-U100L Travel distances X-1020 Y-510 Z-525 Table load 680kg Clamping surface 1200x510 Tool changer 20 magazine places chip conveyor

Condition: used, Machining area: - in the X direction without gluing 6000 mm - in the X direction with gluing 5000 mm - in the Y direction 1200 mm - in the Y direction with main spindle + center distance 20 mm 1300 mm max. workpiece height above - top edge of suction plate Z1 100 mm - max. workpiece thickness Z2, dependent on equipment/application Work table height: approx. 950 mm 1 main spindle with pneumatic feed stroke - drive power: 12 kW in S-1 operation - tool holder: HSK F63, taper diameter = 38 mm - tool change: automatic - change force: 11000 N - tool weight: max. 6 kg - direction of rotation: clockwise/counterclockwise, programmable - speed range: continuously variable 1500 - 24000 rpm, programmable - drive: frequency-controlled three-phase motor - spindle lubrication: single grease lubrication - spindle cooling: water cooling 1 CNC axis rotating 360 degrees 1 vertical drilling unit S21 Machine table consists of: - 6 support arms adjustable in the X direction, each with a rear and center stop, all stops controlled by the program - 6 sets of suction plates consisting of a total of - 6 suction plates 114 x 159 x 100 mm - 6 suction plates 125 x 75 x 100 mm - The support arms and suction plates can be individually positioned according to the corresponding workpiece size. Changeover area: - without pendulum machining, without gluing: X = 2 x 2900 mm - free space in the middle: X = 200 mm - without pendulum machining, with gluing: X = 2 x 2150 mm - free space in the middle: X = 700 mm - with pendulum machining, without gluing: X = 2 x 2400 mm - free space in the middle: X = 1200 mm - with pendulum machining, with gluing: X = 2 x 1700 mm - free space in the middle: X = 1600 mm Feed drive system Iisdpszupibsfx Afuoh Rapid traverse rates: - X-axis 100 m/min - Z-axis 25 m/min Air pressure: 6 bar Tool changer magazine with 18 positions Tool coding: position-coded Tool weight: max. 6 kg Tool length: max. 150 mm Tool diameter: max. 100 mm when fully loaded max. 150 mm with free adjacent positions or nesting Central connection for extraction Mains voltage: 3/N/PE, 400/230 V, 50 Hz 1 vacuum pump 100 m3/h

Year of construction: 1990, condition: ready for operation (used), A CNC universal milling and drilling center SHW is available. Travel X/Y/Z: 6000mm/2100mm/1500mm, milling head swivel: 180°, rapid traverse X/Y/Z: 8m/min, speed: 4500rpm, spindle power: 31.5kW, machine dimensions X/Y/Z: approx. 11000mm/9000mm/6000mm, weight: approx. 44000kg. Documentation available. On-site inspection is possible. Iiedpjuh Azisfx Afush

Condition: ready for operation (used), Year of construction: 2016, operating hours: 152 h, functionality: fully functional, machine/vehicle number: 665182, travel distance X-axis: 650 mm, travel distance Y-axis: 550 mm, travel distance Z-axis: 500 mm, spindle speed (max.): 42,000 rpm, number of slots in tool magazine: 40, No minimum price – guaranteed sale to the highest bidder! Iiedpfx Asz Aplxofueh Submitting a bid obligates you to collect the item within the period from September 21st to October 1st! Spindle replacement for €40,000 in 2025! Since then, only approximately 150 spindle operating hours! TECHNICAL DETAILS Travel range X-axis: 650 mm Travel range Y-axis: 550 mm Travel range Z-axis: 500 mm Feed rates Feed rate X-axis: 30 m/min Feed rate Y-axis: 30 m/min Feed rate Z-axis: 30 m/min Spindle Spindle mounting: HSK-E 40 Spindle speed: 42,000 rpm Spindle operating time: 151 h 20 min 08 s Spindle replacement: 2025 Cost of spindle replacement: approx. €40,000 Tool magazine Number of tool positions: 40 Pallet system Pallet dimensions: approx. 320 × 320 mm Pallet clamping: Rotary table MACHINE DETAILS Mains voltage: 400 V Mains frequency: 50 Hz Control voltage: 24 V DC Maximum fuse rating: 63 A Connected power: 38 kVA Dimensions and weight Overall height: 2,850 mm Overall length: 3,300 mm Overall width: 2,400 mm Machine weight: 9,000 kg EQUIPMENT - Technical documentation - Manual - HSK-E 40 tool holders - 3 pallets External reference: Demo - Lot 5

Condition: used, Year of construction: 2007, Machine design: Cantilever machine Travel in X-direction: 5000 mm Travel in Y-direction: 1815 mm Travel (Z-axis): 600 mm Clearance height: 370 mm Number of main spindles: 1 Main spindle power: 12 kW Main spindle speed: 600-24000 rpm Vector-controlled spindle: Yes Clamping system: HSK-63 F Spindle cooling: Liquid cooling Number of axes: 5 Tool changer: Disc tool changer Tool change positions: 24 Back wall milling units: Yes Vertical drilling spindles – in X-direction: 12 Spindle speed vertical drilling spindle: 2000-6000 rpm Horizontal drilling spindle in X-direction: 2 + 2 Horizontal drilling spindle in Y-direction: 1 + 1 Spindle speed horizontal drilling spindle: 2000-6000 rpm Monitor size: 15" Iodpfx Aezwg H Aofueih Control type: PC control Operating system: Windows XP Typewriter keyboard: Yes Mouse: Yes Programming system: xilog Plus DXF interface: Yes Online connection possible: Yes CD-ROM drive: Yes Floppy disk drive: Yes Table design: Console table, tubeless Stop system: Stop cylinders Support arms: 8 Suction plates and clamps: various included Linear guides: 2 Number of vacuum pumps: 1 Vacuum pump capacity: 250 m³/h Alternating field configuration: Yes Safety guard, left: Yes Safety guard, right: Yes Extraction hood: controlled via axes Setup aid: Dot laser setup aid Safety features: Safety floor mats Central lubrication: automatic Tools: various tools available at an extra charge Dimensions: 7820x4730 mm Extraction diameter: 300 mm Storage location:

Condition: ready for operation (used), Year of construction: 2001, A Fischer CNC 5-axis multi-machining center is available. Spindle power: 7.5kW, spindle speed: 18000rpm, tool positions: 12, clamping elements: 8, working length: 7000mm, clamping stroke: 60mm, clamping range: 380mm, max. spindle tilt: 90°, stop stroke: 60mm, stop width: approx. 250mm, tool holder: HSK-40E, max. saw blade diameter: 200mm, machine dimensions X/Y/Z: approx. 8200mm/2450mm/3200mm. Documentation available. An on-site inspection is possible. Iiodpfx Afszdumqjuoh

Condition: used, Year of construction: 2014, Machine design: Continuous/Reciprocating Working area in X-direction: 1000 mm Working area in Y-direction: unlimited Working thickness (Z-dimension): 60 mm Number of main spindles: 1 Main spindle power: 3.3 kW Clamping system: HSK-63 F Tool changer: Pick-up tool changer Number of tool change stations: 3 Back wall grooving units: fixed in the Y-direction Vertical drilling spindles - in the X-direction: 5 Vertical drilling spindles - in the Y-direction: 5 Spindle speed, vertical drilling spindle: 4000 rpm Horizontal double drilling spindle in the X-direction: 2 Horizontal double drilling spindle in the Y-direction: 1 Spindle speed, horizontal drilling spindle: 4000 rpm Monitor size: 17" Control type: PC control Operating system: Windows XP Typewriter keyboard: Yes Mouse: Yes Programming system: Masterwork DXF interface: Yes Online connection possible: Yes CD-ROM drive: Yes Table design: Fixed table with rollers Weight approx.: 1300 kg Ijdpozndmhofx Afuoih Dimensions: 2200x2470x1590 mm Location: Customer

Condition: ready for operation (used), A defective vertical CNC machining center DMG Mori is available. Travel X/Y/Z: 835mm/510mm/510mm, tool stations: 20, tool holder: SK40, speed: 10000rpm, table dimensions X/Y: 1000mm/560mm, T-slot spacing: 100mm, max. table load: 800kg, table height: 720mm. Control: Heidenhain TNC 530, operating hours: approx. 29836h. Either the pneumatic release cylinder or the spindle is defective. Documentation available. On-site inspection is possible. Iiedpfxsx Ivkzj Afuoh

Condition: good (used), Year of construction: 2005, Ref. -No.: 10627 Manufacturer: AUERBACH Type: IA 5B 3200 RT Year of construction: 2005 Iijdsy Ed R Dspfx Afujh Type of control: CNC Control: Heidenhain 530 Storage location: Halbrstadt Country of origin: Germany X-Travel: 3200 mm Y-Travel: 2000 mm Z-Travel: 1600 mm B-Axis: 360 ° C-Axis: 360 ° Spindle Taper: SK 50 Rotary Table (Lxw): 2500 x 2000 mm Table Load: 20.000 kg Tool Piece Magazine With: 100 Pcs./pcs. Operating hours: 75.377 H Spindle hours: 28.246 H Machine length: 7300 mm Machine width: 7700 mm Machine Height: 4350 mm Weight Of The Machine Ca.: 28 t Further information: - with H / V head Machine can be viewed under power by arrangement

Condition: excellent (used), Year of construction: 2021, operating hours: 2,500 h, functionality: fully functional, travel distance X-axis: 1,060 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 600 mm, controller model: Heidenhain ITNC640, spindle speed (max.): 10,000 rpm, We offer in good condition with around 2.500 spindle hours Posmill CE1000 with following options: Heidenhain linear scales in X, Y and Z-axis Heidenhain TNC 640 control Air true spindel Spindel 10.000 RPM ISO40 Tool changer 40 tools ATC Belt filter with Internal coolant 20 bar Hexagon Touch probe Hexagon tool probe Chip conveyor Thermal spindel compensation Z-axis Technical specification:" X-Axis Travel: 1060 mm Y-Axis Travel: 600 mm Z-Axis Travel: 600 mm Machine is within new tolerence and geometry protocol is available. Iisdsyindaepfx Afujh

Condition: ready for operation (used), Year of construction: 2006, CNC machining center DMC 635V Year of manufacture 2006 Heidenhain TNC 530i control Control approx. 58,400 hours Program run approx. 19,980 hours According to the sticker in the control cabinet, the spindle and motor were replaced in January 2019 at 10,660 hours. No documentation available. Machine runs smoothly Travel distances X 635 Y 510 Z 460 Tool holder SK 40 20-position tool changer Table 790×560 with chip conveyor Weight approx. 3700 kg This offer is directed exclusively at commercial enterprises within the meaning of §14 BGB (German Civil Code). Iedpfx Afjw Tir Ujuoih No sale to private individuals.

Condition: used, Year of construction: 2016, Vertical CNC drilling and machining center Manufacturer: Weeke Type: Optimat BHX Year of manufacture: 2016 Technical data - Working area X: max. 3,050 mm - Working area Y: 70,850 mm - Workpiece thickness Z: 12,60 mm - Workpiece weight: max. approx. 35 kg - Number of axes: 3 - Milling spindle: 5 kW - Milling spindle speed: max. 18,000 rpm - Tool holder: HSK-F63 or ETP 25, depending on the version - Tool change: automatic tool magazine - Tool positions: 4 - Vertical drilling spindles: 13 - Horizontal drilling spindles X: 4 - Horizontal drilling spindles Y: 2 - Drilling unit: V13 High Speed - Drilling unit power: 2.3 kW - Drilling speed: 1,500 - 7,500 rpm - Max. drilling depth: approx. 38 mm - Drilling diameter: max. approx. 35 mm - Spindle spacing: 32 mm Ijdpfx Afezy N E Hsusih - Dado saw: in X-direction - Dado saw blade: approx. 100 mm - Workpiece transport: throughfeed system / transport chain - Workpiece clamping: collet gripper, vacuum-free clamping system - Control system: HOMAG powerControl / powerTouch - Software: HOMAG woodWOP - Total connected load: approx. 11.5 kW - Dust extraction connection: approx. 160 mm - Dust extraction air requirement: approx. 2170 m³/h - Weight: approx. 1500 kg - CE Note: The technical data and descriptions are copies of the original order confirmation. The information is provided for informational purposes only and is not binding.

Condition: used, Year of construction: 2000, Offered for sale is a vertical CNC machining center with tool changer. Control system: HAAS CNC control with operator monitor and keyboard. Equipped with automatic tool changer, machine table, enclosed work area, control pendant and tool cart with tool holders. Inspection possible by arrangement. Isdpfx Aoz N Harsfusih

Condition: good (used), Year of construction: 2009, Ref. -No.: 10662 Manufacturer: STARRAG HECKERT Type: HEC 1250 Athletic Year of construction: 2009 Type of control: CNC Control: Siemens 840D Ijdpfxjz Adt Ro Afujih Storage location: Halberstadt Country of origin: Germany Machine-No.: 221XXX X-Travel: 2200 mm Y-Travel: 1600 mm Z-Travel: 1850 mm Spindle Diameter: 100 mm Max. Tool Weight: 35 kg Max. Tool Length: 800 mm Max. Tool Diameter: 250 mm Clamping Area: 1000 x 1250 mm Tool Piece Magazine With: 60 Pcs./pcs. Max. Torque: 25.000 Nm Turning Speed Range - Stepless: 40000 mm / min Rapid Traverse: 40 m / min Numbers Of Pallets: 2 pallet change time: 47 s Weight Of The Machine Ca.: 26,5 t Position uncertainty P: 0,008 mm Position deviation Pa: 0,006 mm Positional dispersion Ps: 0,005 mm Maximum table rotation: 10 RPM Further information: - Design: Thermally symmetrical column design with optimal chip flow for machining castings. - Applications: Mechanical engineering, energy technology, and the machining of large gearboxes and engine components. - Powerful motor spindle (up to approx. 82 kW, depending on the model) for heavy-duty machining. - The Heckert HEC 1250 Athletic (built in 2009) is a high-performance, modular 4-axis large-scale machine for the precise complete machining of heavy workpieces. The machine can be viewed while powered on by prior arrangement.

Condition: ready for operation (used), Year of construction: 2008, A Toyoda CNC horizontal machining center is available. X/Y/Z travel: 750mm/800mm/850mm, table dimensions X/Y: 550mm/550mm, spindle speed: 15000rpm, tool interface: SK40, tool magazine capacity: 60, weight: approx. 16000kg, power-on hours: 133870h, operating hours: 25394h, feed hours: 12802h. Including chip conveyor, 4th and 5th axis, and Knoll KF 400/2250. Documentation available. An on-site inspection is possible. Iijdpezlt Rdofx Afuoh

Condition: good (used), Year of construction: 2005, Parts shown by hand not come. Iedpfx Aevf D Anefusih

Condition: excellent (used), Year of construction: 2019, X-axis: 850 mm Y-axis: 700 mm Z-axis: 500 mm A-axis: +31 to -139 degrees C-axis: 360 degrees Rotary table diameter: 650 x 540 mm Tool interface: HSK-A63 Tool changer: 88 positions Spindle speed: 18,000 rpm Control system: Heidenhain TNC 640 Including: coolant through spindle at 40 bar Including: air blow-through through the spindle center Including: Heidenhain measuring probe Including: BLUM LC 50 Type 200 tool measurement / tool breakage detection Including: BLUM LC 50 DIALOG technology Including: Rotoclear Including: Documentation Operating hours: approx. 8,600 The machine is in very good condition and is still in daily use. Available in approximately 3 weeks. Iiodpsz E U Eaefx Afuoh

Condition: used, Year of construction: 2025, table length: 3,100 mm, table width: 2,100 mm, Technical data - Table size: 3100 x 2100 mm Iisdpfezuw Tzex Afush - 4-axis main spindle - Linear tool changer, 16 positions - 2 vacuum pumps - 12 vertical drilling spindles - 1 dado blade

Condition: ready for operation (used), Year of construction: 2003, A vertical CNC machining center is offered. Table diameter: 320mm, travels X/Y/Z: 1270mm/660mm/610mm, spindle speed: 16000rpm, tool holder: SK40, number of axes: 4, rapid traverse: 30000mm/min, max. feed rate: 15240mm/min, rotary table spindle bore: 105mm, rotary table center height: 225mm, control system: WINMAX MIL, overall dimensions X/Y/Z: approx. 4750mm/3200mm/3000mm, weight: approx. 9000kg, operating hours: approx. 61762h. Including a Yaskawa spindle motor and Hurco transport equipment. Documentation available. Inspection possible by appointment. Expected to be available from December 2026. Iiedszdkn Depfx Afush

Condition: used, Year of construction: 2019, Used machine Year of manufacture: 2019 Video available at: Base machine - Dynestic 7535-R Automatic 12.7 Dynestic table For classic nesting machining with wear plate Machining length: 3700 mm Working direction: from right to left Machine frame in welded construction with ground and hardened prism guides for the traversing carriage, aggregate head and consoles Traversing carriage in gantry design Rack and pinion drive, helical, in X and Y direction, Ball screw spindles Z-axis for precise positioning Technical data: Machining dimensions: Max. load on nesting table X = 3700 mm Y = 2200 mm Max. travel distances X = 5295 mm Y = 2935 mm Z = 565 mm Max. clearance height DYNESTIC table Z = 250 mm from the top of the table (without wear plate) Maximum programmable speed Vector speed: 128.0 m/min X = 80 m/min, Y = 100 m/min, Z = 25 m/min 4-stage extraction hood with pneumatic height adjustment and viewing window Voltage 400 V, 50/60 Hz CONTROL: Dual-core processor Operating system: Windows XP 80 GB hard drive / 1 GB RAM RJ45 network connection 10/100 Base-T Fast Ethernet US keyboard and Microsoft IntelliEye mouse (optical) CD-ROM / CD-RW drive (CD burner) Remote maintenance Integrated network card for data transmission of control and program data. Data transmission via high-speed internet connection Requirement: High-speed internet connection to the machine. DYNESTIC table Solid, continuous machining table with grid spacing, continuous grooves in X and Y direction, Groove spacing: 50 mm with 25 meters of sealing cord for securing the wear plate 1 machining field with stop strips / stop Height: 30 mm, pneumatically lowerable Ijdpfx Aozt Twyjfuoih 2 stop strips in Y direction and 1 stop in X direction on the right (when viewed from the front of the machine) Vacuum fields 1-circuit vacuum system Drilling unit 7881-R, 24 spindles Drive power 3.0 kW, incl. saw unit 18 vertical spindles individually selectable Arrangement in L-shape, 11+2 in X and 6 in Y direction 32 mm grid Max. drill diameter: 35 mm Total drill length: 70 mm from the mounting end (depending on plate thickness) Spindle extension stroke: 70 mm Rotation direction: alternating clockwise / counterclockwise n(max.) 1000 - 5710 min-1, infinitely variable Mount: M 10 thread - clearance fit 11 mm without tool, without mount 6 horizontal spindles 2 twin drill spindles in X direction (distance 32 mm between 1st and 2nd horizontal drill spindle) 1 twin drill spindle in Y direction Mount: M 10 thread, clearance fit 11 mm Total drill length max. 70 mm from the mounting end without tool, without mount Pressure booster, increases the standard pressure from 6 to 8 bar 5-axis milling unit 7844, Power: 10.0 kW (S6) cardanic, C-axis rotatable +/- 360°, A-axis rotatable +/- 180° n(max.) = 0 - 24000 min-1, infinitely variable, max. power at 12000 min-1 to 24000 min-1 Liquid cooling (cooling unit included) with HSK-F 63 tool holder with right-hand thread (for right-hand cutting tools) with collet chuck with HSK shank Ceramic ball bearings (hybrid bearings) Tool weight max. 6 kg (incl. holder) Tools:

Condition: used, Year of construction: 2004, machine/vehicle number: IntNr231232, Hermle C600 U, year of manufacture 2004 Spindle new, with commissioning report Control system: - Heidenhain iTNC 530 - Control system operating hours: 68026 - Machine operating hours: 81237 - Spindle operating hours: 12429 Spindle: - Speed: 16,000 rpm - Tool holder: SK-40 - 30 tool magazine positions Equipment: - Rigid clamping table - NC rotary table, 4th axis (iTNC) - Coolant system - Chip conveyor: none - Electronic handwheel (iTNC) - Tool breakage monitoring - Chip flushing nozzle - Foot switch for clamping/unclamping - Hydraulic unit for clamping/unclamping Travel paths: - X-axis (longitudinal): 600 mm - Y-axis (transverse): 450 mm - Z-axis (vertical): 450 mm Table: - Clamping area: 800 mm x 465 mm - Maximum table load: 250 kg Iedpjz E Rb Defx Afuoih Axes: - Axis rapid traverse: 35 m/min - Acceleration: 5 m/s² - Measuring system X/Y/Z: 0.1 µm Dimensions & Weight: - Machine weight: approx. 6.8 t - Machine dimensions (W x D x H): 2.5 m x 2.4 m x 2.43 m The machine can be inspected under power by appointment. Subject to changes, errors in technical data and specifications, and prior sale!

Year of construction: 2008, condition: ready for operation (used), Travel X/Y/Z: 1050mm/800mm/560mm, C-axis: 360°, spindle head swivel range: -10°/110°, speed: 18000rpm, spindle power: 25kW/35kW, table diameter: 950mm, table load capacity: 800kg, max. workpiece height: 500mm. Tool positions: 30, tool holder: HSK A 63, max. tool diameter: 80mm/130mm, max. tool length: 250mm, rapid traverse: 90m/min, feed: 20m/min. Control: Heidenhain iTNC 530, operating hours: 117490h, spindle hours: 18086h. Including chip conveyor, IKZ, distance measuring system, Blum laser and measuring probe. Documentation available. On-site inspection is possible. Iedpfx Ajv H Dgiofuoih