Used Wmw Heckert Horizontal Machining Center for sale (70,174)

Condition: excellent (used), Year of construction: 2005, operating hours: 17,395 h, functionality: fully functional, machine/vehicle number: NV501EH3106, travel distance X-axis: 1,020 mm, travel distance Y-axis: 510 mm, travel distance Z-axis: 510 mm, rapid traverse X-axis: 20,000 m/min, rapid traverse Y-axis: 20,000 m/min, rapid traverse Z-axis: 20,000 m/min, nominal power (apparent): 18 kVA, controller model: MSX501, total length: 2,710 mm, total width: 2,788 mm, table width: 1,320 mm, table length: 600 mm, rotational speed (min.): 20,000 rpm, rotational speed (max.): 20,000 rpm, overall weight: 8,060 kg, spindle speed (min.): 20,000 rpm, spindle speed (max.): 20,000 rpm, number of spindles: 1, number of slots in tool magazine: 30, input voltage: 380 V, Equipment: documentation/manual, The machine has been regularly serviced, well-maintained, and is in excellent condition. It is connected to the power supply and ready for operation. Equipped with a 30-tool magazine. Kdodjy E Nvrjpfx Abfon

Condition: like new (used), Year of construction: 2008, travel distance X-axis: 1,050 mm, travel distance Y-axis: 800 mm, travel distance Z-axis: 880 mm, controller model: Fanuc Oi-MC, KAFO HMC 630 HMC Category: HORIZONTAL MACHINING CENTERS (HMC) Reference No.: 400234 Capacity: 630 X 630 MM Year of Construction: 2008 Technical Specification: SPINDLE Kdodpfoy D E Syox Abfon Spindle Taper : CAT 50 WORKING CAPACITY Pallet Size : 630 x 630 mm Travels (XYZ) : X1050 x Y800 x Z880 mm B-Axis : 0.001° Distance from spindle nose to table center : 150 - 1030 mm Distance from spindle center to pallet surface : 100 - 900 mm Table Load Capacity : 1200 kg Max. Work Size : Ø1050 mm ATC Tool Change Capacity : 40 Maximum Tool Weight : 20 Kg CNC Control : Fanuc Oi-MC

Condition: used, Year of construction: 2004, x-travel 630 mm y-travel 630 mm z-travel 700 mm Control Meldas M650 tool adaptor HSK-A63 Table dimensions 450x450 mm Table load 400 kg number of spindle speeds 300 - 20.000 min-1 spindle taper HSK-A63 coolant durch Spindel drive motor Ac 45/30KW kW Rapid travel Z=60 m/min rapid traverse X,Z = 120 m/min feed Schnittvorschub =0,1-60 m/min rapid traverse B=120 m/min total power requirement 30 kW weight of the machine ca. 15 t FEED RATE Rapid feed rate X,Y 120 m/min Rapid feed rate Z 60 m/min Rapid feed rate B 120 m/min Cutting feed rate X,Y,Z 0,1 – 60 m/min SPINDLE RPM spindle 300 – 20.000 min-1 Spindle taper HSK-A63 Coolant Through spindle ATC Tool holder Special HSK-A63 2 Face contact tool Tool magazine storage 40 pcs Tool change time 2,5 sec. The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale apply exclusively. About us More than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, Kedpsyqv Azefx Abfsdn please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team

Condition: used, Year of construction: 2007, number of spindle speeds 6.000 U/min tool taper BT50 numbers of positions in the tool changer 121 control FANUC31iMA Milling machining centers - horizontal | TOYODA - FH630SX equipped with ITC and chip conveyor. Additional equipment: + Full NC table 360.000 * 0,001 deg Kdjdpfxet I Ec Do Abfsn The machine is in a well-maintained condition. Technical data of the machine will follow soon. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - #Tags: FH 630SX | FH630 | FH-630 | FH 630 SX

Condition: good (used), Year of construction: 2011, functionality: fully functional, Description: The machine is in good technical condition, with testing possible by prior arrangement. Control system: OKUMA OSP-P200MA. Power consumption: 58 kVA. Travel distance in X-axis: 1000 mm, Y-axis: 900 mm, Z-axis: 1000 mm. Description: 4 axes. Weight: 26 t. Footprint: 3.3 x 6.5 m. Tool magazine capacity: 100. Tool clamping system: BT50. Kdedpfx Asy Ehaijbfen Machine parameters: Travels in X, Y, Z axes: 1000 x 900 x 1000 mm.

Condition: ready for operation (used), Year of construction: 2008, functionality: fully functional, travel distance X-axis: 850 mm, travel distance Y-axis: 700 mm, travel distance Z-axis: 750 mm, table load: 500 kg, spindle speed (max.): 14,000 rpm, TECHNICAL DETAILS Travel X-axis: 850 mm Travel Y-axis: 700 mm Travel Z-axis: 750 mm Distance spindle nose to table surface: 50 - 750 mm Distance spindle nose to table center: 150 - 900 mm Pallet dimensions: 500 mm x 500 mm Table load capacity: 500 kg Pallet area: 24 M16 x D 2.0 Table indexing increment: 1° Spindle speed: 14,000 rpm Spindle taper: ISO 40 Max. spindle torque (25% duty cycle): 220.5 Nm Rapid traverse (X, Y, Z): 60 m/min Working feedrate: 30,000 mm/min Tool holder type: MAS403 BT40 Magazine capacity: 120 tools Max. tool length: 400 mm Max. tool weight: 10 kg Tool change time (tool-to-tool): 1 sec Tool change time (chip-to-chip): 3.5 sec Number of pallets: 7 Type: Rotary shuttle Pallet change time: 7.5 sec Pallet rotation in loading station: 90° MACHINE DETAILS Operating hours: 34,959 h Spindle motor (30 min): 18.5 / 22 kW Axis motors (X, Y, Z, B): 7.0/7.0/7.0/2.7 kW Dimensions & Weight Dimensions (L x W x H): 5,600 x 2,700 x 3,000 mm Machine weight: 15,000 kg EQUIPMENT Through-spindle high-pressure coolant, 35 bar Chip extraction system Kedoy Edarspfx Abfjdn Operating manuals CE Declaration

Condition: ready for operation (used), Year of construction: 2002, functionality: fully functional, travel distance X-axis: 1,250 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 600 mm, spindle speed (max.): 6,000 rpm, number of slots in tool magazine: 32, TECHNICAL DETAILS Travel X-axis: 1,250 mm Kodpfx Aboyykhrofodn Travel Y-axis: 500 mm Travel Z-axis: 600 mm Maximum spindle speed: 6,000 rpm Spindle taper: SK 50 Spindle cooling: 15 bar Table dimensions: 1,400 x 550 mm Tool changer positions: 32 MACHINE DETAILS Spindle power: 18.5 kW Dimensions (L x W x H): 4,500 x 2,350 x 2,650 mm Note: The machine is sold without vises and tools.

Condition: used, Year of construction: 2004, operating hours: 20,000 h, functionality: fully functional, travel distance X-axis: 600 mm, travel distance Y-axis: 560 mm, travel distance Z-axis: 500 mm, feed length X-axis: 600 mm, feed length Y-axis: 560 mm, feed length Z-axis: 500 mm, controller manufacturer: Siemens, spindle nose: DIN 40, number of slots in tool magazine: 180, Equipment: chip conveyor, documentation/manual, DECKEL MAHO DMC 60 H – 4-Axis Horizontal Machining Centre – 2004 Siemens CNC – 6 pallets – 180 tools – 20,000 hours A company in the aerospace sector is selling a DECKEL MAHO DMC 60 H 4-axis horizontal machining centre, year 2004, currently available for inspection under power and in production. Specifications: • CNC control: Siemens • Travels: X 600 / Y 560 / Z 500 mm • Tool magazine: 180 tools • Taper: DIN 40 • 6 pallets Kdjdpey D A Rgofx Abfsn • Through-spindle coolant • Tool probe • Workpiece probe • Chip conveyor • Complete documentation • Low hours: only 20,000 hours • Visible under power and in production • Currently machining aerospace components • Test possible by appointment If you have any questions or need further information, please feel free to send us a message or call.

Condition: excellent (used), Year of construction: 1999, CNC horizontal machining center DECKEL MAHO DMC 60 H SIEMENS CONTROL Year of manufacture: 1999 Technical data: X-axis: 600mm Y-axis: 560mm Z-axis: 560mm B-axis: 360° Pallet: Number: 2 Size: 400x500mm Permissible load: 600kg Kdjdsvn Ra Sopfx Abfon Weight: 10,500kg

Condition: used, Year of construction: 2003, x-travel 1000 mm y-travel 800 mm z-travel 800 mm control SIN840D speeds 10 - 10.000 U/min feed range 1 - 36000 mm/min B - axis 360 x 1 ° repeating accuracy + / - 3 " surface area 2 x 500 x 630 mm tool diameter 100 mm workpiece length 650 mm workpiece weight max. 40 kg tool taper DIN 69871 SK 50 workpiece weight 800 kg tool magacine with 100 Plätzen wotkpiece diameter with 2 vacant positions 325 mm Chip to chip time ca. 8,00 sec. change time of pallets ca. 12,00 sec total power requirement 65,00 kW weight of the machine ca. 20,00 t dimensions of the machine ca. 7,80 x 3,50 x H3,40 m Horizontal machining center with SIEMENS SIN840D control. Kdedewhqtkspfx Abfjn NC-rotary table; chip conveyor; coolant-unit; coolant through the spindle Magazine with 2 cassette à 50 pockets.

Condition: good (used), Year of construction: 2007, Parts shown by hand not come. Kodpfx Absrpn Dvofsdn Technical details shown on picture.

Condition: good (used), Year of construction: 2010, Machine is in good condition. Parts shown by hand not come. Kdedsx N Atfopfx Abfjn

Condition: ready for operation (used), Year of construction: 1999, functionality: fully functional, machine/vehicle number: 669, travel distance X-axis: 560 mm, travel distance Y-axis: 510 mm, travel distance Z-axis: 510 mm, controller model: MSC 502, rotational speed (max.): 12,000 rpm, TECHNICAL DETAILS Travel X-axis: 560 mm Travel Y-axis: 510 mm Travel Z-axis: 510 mm Distance spindle center to table: 50 – 650 mm Distance spindle nose to table center: 100 – 610 mm Main spindle Max. speed: 12,000 rpm Drive power: 22 / 18.5 kW Tool holder: MAS BT-40 Kdedjyxm Irspfx Abfsn Spindle bearing diameter: 70 mm Pallet changer Number of pallets: 2 Pallet size: 400 x 400 mm Max. workpiece diameter: 580 mm Max. workpiece height: 650 mm B axis Indexing time 90°: 2.5 sec Pallet change time: 6.0 sec Tool changer Number of tool stations: 60 positions Max. tool diameter: 80 mm Max. tool diameter with adjacent station empty: 125 mm Max. tool length: 300 mm Max. tool weight: 8 kg Tool-to-tool change time: 1.5 sec Chip-to-chip time: 3.7 sec Rapid traverse (X/Y/Z): 32 m/min Feed rate: 1 – 24,000 mm/min Creep feed rate: 0 – 1,260 mm/min MACHINE DETAILS Control: MSC 502 Total power requirement: 63 kVA Dimensions & Weight Required space approx.: 5.5 x 4.5 x 2.7 m Machine weight approx.: 9.0 t EQUIPMENT Documentation Chip conveyor Coolant system High-pressure coolant Internal coolant supply Tool magazine: 60 positions Pallet changer Pallets: 2 Signal lamp B axis Hydraulic unit Spindle oil cooler Note: The loading shaft must be supplied by the buyer.

Condition: ready for operation (used), Year of construction: 2012, operating hours: 24,101 h, functionality: fully functional, travel distance X-axis: 1,800 mm, travel distance Y-axis: 800 mm, travel distance Z-axis: 600 mm, controller model: Siemens 840D Shopmill 3 D Formingstar, spindle speed (max.): 12,000 rpm, coolant tank capacity: 900 l, The machine is in very good used condition with no outstanding maintenance required! TECHNICAL DETAILS Travel distance in long-operation X-axis: 1,800 mm Travel distance swivel table X-axis: 1,020 mm Travel distance rotary table X-axis: 675 mm Travel distance in pendulum operation: 675/675 mm Travel distance Y-axis: 800 mm Travel distance Z-axis: 600 mm Spindle speed: 12,000 rpm Swivel range: +10° to -100° × ±360° Feed rates X/Y/Z: 40 m/min Rotary-swivel table Rotary table size: Ø 620 × 500 mm Interference circle diameter: Ø 700 mm T-slots: 18 mm T-slot spacing: 100 mm Number of T-slots: 5 Reference keyway: 18H8 Centering bore: 30H7 × 10 mm Swivel range: +10° to -90° × ±360° Swivel speed 90°: 1.2 s Swivel accuracy: < ±10″ Rotary speed: 0–30 rpm Indexing accuracy: < ±6″ Axial runout: 0.015/Ø 300 mm Table load capacity: max. 375 kg Fixed machine table Clamping surface: 1,120 x 750 mm Max. tool weight: 10 kg Max. tool length: 330 mm Max. tool diameter: 80 mm (100 mm with adjacent pockets free) Chip-to-chip time approx.: 7.5 - 12 sec. Tool stations: 30 MACHINE DETAILS Internal coolant supply (IKZ): 40 bar Coolant tank capacity: 900 liters Tool holder: SK40 Control: Siemens 840D Shopmill 3D Formingstar Standby magazine Total positions: 190 Levels: 6 Kodpfx Ajy A Rzdebfedn Tool length A: max. 240 mm Capacity A: 100 pcs Tool length B: max. 330 mm Capacity B: 90* pcs Tool change time: approx. 17–22 s Space required: 1,780 × 1,760 mm Height: 2,810 mm Weight: approx. 950 kg Spindle hours: 24,101 h Power-on hours: 62,438 h EQUIPMENT 3D touch probe Rotary-swivel table

Condition: used, Year of construction: 1999, travel distance X-axis: 600 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 530 mm, rapid traverse X-axis: 20,000 m/min, rapid traverse Y-axis: 20,000 m/min, rapid traverse Z-axis: 20,000 m/min, controller model: FANUC 18i, spindle speed (max.): 12,000 rpm, spindle motor power: 8 W, number of slots in tool magazine: 64, Horizontal machining center, 4 axes (X Y Z B - 360000) Automatic pallet changer, 2 positions, size 400-400 mm Automatic tool changer, 64 stations Ksdey Azbzspfx Abfsdn Tool change time: 3 seconds CNC control: Fanuc 18i Motor drive: Fanuc

Condition: used, Year of construction: 1999, functionality: fully functional, travel distance X-axis: 600 mm, travel distance Y-axis: 512 mm, travel distance Z-axis: 530 mm, rapid traverse X-axis: 40 m/min, rapid traverse Y-axis: 40 m/min, rapid traverse Z-axis: 40 m/min, controller model: FANUC 18i, spindle speed (max.): 12,000 rpm, number of slots in tool magazine: 64, CNC horizontal machining center, 4 axes X Y Z B (360,000) Automatic Workpiece Change: 5 palettes 400×400 mm Tool magazine: 64, BT40 Tool change time: 3 seconds CNC control: Fanuc 18i Motor and drive: Fanuc Ksdpfoy Azaksx Abfodn

Condition: used, Year of construction: 2005, Technical details: Kdsdpfx Aevgmitjbfen x-travel: 2200 mm y-travel: 2200 mm z-travel: 1400 mm spindle taper ISO: 50 spindle diameter in front bearing: 110 mm spindle turning speed range: 45 - 6000 U/min pallet table size: 1000 x 1250 mm pallet worktable capacity: 6000 kg feed range: 1 - 60000 rapid traverse: 60 m/min spindle drive motor: 27 kW dimensions of the machine ca.: 15 x 8,5 x 5,7 m total power requirement: 133 kVA weight of the machine ca.: 50 t Machine with SIEMENS 840 D control - full B-axis - palette changer for 3 palettes - tool changer for 244 tools - coolant through spindle - max. workpiece swing 2200 mm *

Condition: used, Year of construction: 2008, x-travel 1000 mm y-travel 1000 mm z-travel 1000 mm Control Siemens 840D powerline spindle tunring speed 8.000 U/min drive capacity - main spindle 100/40% ED 32/44 kW tool taper HSK-A 100 number of tool places 354 Pos. rapid traverse ( x / y / z ) 60 m/min size of pallet 800 x 800 mm In our opinion, the machine is in good used condition and can be inspected under power by appointment. Kdsdpsxcp R Ujfx Abfon Technical Features: - NC rotary table with pallet carrier - Rotary pallet changer - 40 bar internal coolant supply - Rotating viewing window - Wall-mounted magazine with 300 magazine positions - Rotating wall tool lock, 30 positions (inactive) and 54 positions (active) - Infrared measuring probe - SK 50 mechanical tool breakage detector - Tool identification - 4-color signal lamp Accessories, tools, and clamping devices shown are only included in the scope of delivery if noted in the additional information. Subject to changes and errors in the technical data and information, as well as subject to prior sale!

Condition: ready for operation (used), Year of construction: 1998, Offered is a horizontal machining center (HMC). Travels X/Y/Z: 560mm/510mm/510mm, max. dynamics: 40000mm/min, spindle: 12000rpm, tool holder: MAS BT 40, tool magazine: 60 positions (chain magazine), pallet system: 2-station pallet changer, pallet size X/Y: 400mm/400mm, accessories: approx. 200 tool holders (BT 40), 2 MMI towers with 8 clamping bars, hinged belt chip conveyor, Blum laser/probe, Renishaw 3D probe, machine weight: approx. 9000kg. Inspection possible by appointment. Kedpfx Absyzh A Nsfodn

Condition: used, Year of construction: 2008, Technical details: x-travel: 1400 mm y-travel: 1200 mm z-travel: 1350 mm control: MSX- 701 Mapps III table surface area: 800 x 800 mm rapid traverse: 50 m/min table rotating: 360.000 x 0,001 B-Achse ° table load: 2,0 t Ksdpfx Aewi Ibusbfjdn numbers of pallets: 2 turning speed range: 8000 1/min power capacity - milling spindle: 37 kW no. of tools in the magazine: 60 Stück tool taper: HSK-A 100 weight: 31 t dimensions: 5,9 x 3,48 x 3,68 m Equipment: - Thru-the-spindel coolant system Mayfran Consep 2000 70 bar with chipconveyor - Helical cutting + Synchronized tapping - Parts program memory 1 MB - Knoll 70 bar high pressure and filter system - Electrostatic oil dust collector LTA - elect. hand wheel - renishaw probe - abso- scale i X/Y/Z- axis - 5 free m- funktions - 48 extra off sets - dual ballscrews on X/Y/Z- axis *

Condition: used, Year of construction: 1993, functionality: fully functional, Kiwa crane Model: 2TR Year of manufacture: 1993 Lifting capacity: 1 tonne Span: 16 meters Hoisting rope: 10 meters For sale without grab Kdsdpfxox Araxe Abfen

Condition: ready for operation (used), Year of construction: 2019, operating hours: 2,447 h, functionality: fully functional, travel distance X-axis: 650 mm, travel distance Y-axis: 560 mm, travel distance Z-axis: 560 mm, table width: 500 mm, table length: 500 mm, No reserve price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Travel X-axis: 650 mm Travel Y-axis: 560 mm Travel Z-axis: 560 mm Rapid traverse X-axis: 30 m/min Rapid traverse Y-axis: 30 m/min Rapid traverse Z-axis: 24 m/min Table width: 500 mm Table length: 500 mm Table load: 400 kg MACHINE DETAILS Dimensions & Weight Dimensions (L x W x H): 5,445 x 3,055 x 2,200 mm Total weight: 7,000 kg Kdsdpeytnf Hefx Abfen Spindle hours: 2,447 h EQUIPMENT Automatic pallet changer 4-axis design incl. B-axis (table rotation)

Condition: used, Year of construction: 1998, x-travel 650 mm y-travel 560 mm z-travel 650 mm table surface area 400 x 400 mm control Fanuc 18i-M spindle turning speed range 120-12000 U/min ja/yes hand wheel type of pallet-changer 2 Cooling through the spindle 10 bar chip conveyor ja/yes feed 670 mm/min distance work spindle /surface of the table 800 mm table load 400 kg Kjdsythawopfx Abfodn toolpiece magazine: chain magazine 80 BT 40 b-axis 360 1° rapid traverse: 40 m/min feed 1-40.000 mm/min tool changing time 1,3 sec tool/tool tool changing time 3,8 sec chip/chip total power requirement 22,4 kW weight of the machine ca. 10,5 t dimensions of the machine ca. 5 x 3,3 x 3 m (LBH) Machining centre - Horizontal Mitsubishi M-H4B, year of construction 1998, good ondition, regularly maintained.

Condition: good (used), Year of construction: 2000, functionality: fully functional, machine/vehicle number: 288-40003902, travel distance X-axis: 800 mm, travel distance Y-axis: 710 mm, travel distance Z-axis: 710 mm, table width: 500 mm, table length: 630 mm, For sale is a horizontal machining center DMC 80 H hi-Dyn with 4 axes. The machine has only been used for milling and drilling cast parts for surface finishing. The spindle is in very good condition. Technical specifications: Travel paths: X-axis: 800 mm Y-axis: 800 mm Z-axis: 800 mm B-axis: 360° Table data: Table size: approx. 630 × 500 mm Max. workpiece weight: ~1,200–1,400 kg Rotary table: 4th axis, 360° continuous Spindle: Direct drive, liquid cooled Replaced in 2023/2024 Measuring system: Glass scales Main drive: Max. speed: up to 10,000 rpm Spindle power: approx. 20 kW Torque: S1 – 100% duty cycle Ksdpfxsytf N As Abfodn Transport dimensions: LxWxH in meters: 5.2 x 2.4 x 2.7 Machine transport weight: 12,500 kg Dismantling, loading, and transport throughout Europe can be organized upon request for an additional charge. All prices are plus VAT. Inspection possible by appointment. Contact us — our team will be happy to assist you. Trade-in or exchange possible! Machinery purchase & sales PURCHASE / SALE OF PRODUCTION AND METALWORKING MACHINES ETC. Are you looking for a high-quality but affordable metalworking machine for your production? Or would you like to sell yours? For further information or contact options, please visit our website.

Condition: ready for operation (used), Year of construction: 2003, functionality: fully functional, machine/vehicle number: A.100765.01, travel distance X-axis: 1,200 mm, travel distance Y-axis: 1,000 mm, travel distance Z-axis: 1,200 mm, controller model: SIEMENS SINUMERIK 840 D, spindle speed (max.): 6,000 rpm, The machine spindle was overhauled in 2015! TECHNICAL DETAILS Travel X-axis: 1200 mm Travel Y-axis: 1000 mm Kodpfxjytfmze Abfjdn Travel Z-axis: 1200 mm Spindle speed: 25 - 6,000 rpm Max. torque: 900 / 1130 Nm Number of tables: 2 Maximum interference diameter: 1200 mm Table rotation speed: 15 rpm Table clamping torque: 10,000 Nm Tilting moment: 29,000 Nm Distance between spindle nose and table: 130 mm Pallet dimensions: 800 x 630 mm Pallet change time: 16 s Transport weight: 1,200 kg Number of tool stations: 250 Maximum tool diameter: 125 mm Diameter with adjacent stations free: 250 mm Maximum tool length: 650 mm Maximum tool weight: 40 kg Tool change time: 2.5 - 4.5 s Average chip-to-chip time: 7 - 9 s Tool holder: SK 50 DIN69871 Feed rate: 1 - 36,000 mm/min Rapid traverse: 36 m/min MACHINE DETAILS Control: SIEMENS SINUMERIK 840 D Dimensions & Weight Dimensions (L x W x H): 10,000 x 6,000 x 3,800 mm Machine weight: approx. 30,000 kg Operating hours: approx. 100,000 h (The machine was operated in 2-shift + ghost shift mode. The previous owner estimates approximately 100,000 hours over 20 years of operation.) EQUIPMENT Direct measurement via glass scales Coolant system 1,250 L High-pressure pump 11 bar (coolant) Through-spindle coolant 25/50 bar (TSC) Blow-out device for spindle taper Paper filter system Chip conveyor Pallet changer 2 pallets Set of tool holders Coolant/mist extraction Touch probe