Used Cnc-Step Machining Center for sale (72,739)

Condition: ready for operation (used), Year of construction: 2006, A Reichenbacher CNC 5-axis twin-head machining center for the door manufacturing industry is available. Spindle power: 15kW, Speed: 24000rpm, Tool interface: HSK-F63, Tool positions: 60, Milling spindle spacing: 1040mm, Spindle housing dimension: 150mm, Travel X/Y/Z: 5100mm/2100mm/2650mm, Tool change stroke: 550mm, Max. travel speed X/Y/Z: 60m/min/90m/min/20m/min, Clamping beam speed: 40m/min. Vacuum support rails: 2, Vacuum cups: 2×30, Stop stroke: 150mm, Stop pin diameter: 30mm, Through-feed stop 1/2: 300mm/700mm, Max. veneer overhang: 5mm, Max. veneer thickness: 5.5mm. Workpiece length range: 800mm-3200mm, Workpiece width range: 600mm-1400mm, Workpiece thickness range: 38mm-72mm, Max. workpiece weight: 200kg. Chip conveyor belt width: 700mm, Infeed roller conveyor dimensions X/Y: 6000mm/1600mm, Outfeed roller conveyor dimensions X/Y: 6350mm/1600mm. Overall system dimensions X/Y/Z: approx. 18300mm/9750mm/3500mm, Machine dimensions X/Y/Z: approx. 4200mm/1600mm/3000mm, Machine weight: approx. 10500kg, Control system: Siemens Sinumerik 840D power-line. Including fully automatic infeed and unloading, 2×gantry cranes, safety equipment, various tools and a self-lowering roller table. This system was modernized in 2016. Documentation vorhanden. An on-site inspection is possible. Hnjdpfx Abezqu Hwo Iot

Year of construction: 2015, condition: ready for operation (used), A 5-axis dental CNC milling and grinding machine from imes-icore is offered. A-axis: 360°, B-axis: 115°, axis inclination with 98mm blank: A-axis/B-axis: 30°/25°, max. machining area: 94mm/30mm, blank holder: 98.5mm, workpiece holder: 1 blank, max. spindle speed: 60000rpm, spindle power: 1.0kW, tool holder: 6mm shank, tool changer: 20, tool length measurement: ≤0.002mm, control system: Logosol 5-axis. Machine dimensions X/Y/Z: approx. 758mm/790mm/857mm, weight: approx. 180kg. Inspection by appointment possible. Hsdszklfwepfx Ab Iont

Condition: ready for operation (used), Year of construction: 2021, A Fanuc CNC drilling and machining center is available. Travels X/Y/Z: 700mm/400mm/330mm, spindle-to-table distance: 180mm-580mm, table dimensions X/Y: 850mm/410mm, max. table load: 300kg, spindle speed: 24000rpm, spindle power: 5.5kW, torque: 7.5Nm, feed rate: 30m/min, rapid traverse: 54m/min, tool positions: 21, tool interface: BT30, positioning accuracy: 0.006mm, repeatability: 0.004mm. Machine dimensions X/Y/Z: approx. 2200mm/1950mm/2200mm, weight: approx. 2500kg, control: Fanuc 31i-B5, power-on hours: 6534h, operating hours: 473h. Documentation available. An on-site inspection is possible. Hnjdpezlt Shjfx Ab Iot

Condition: ready for operation (used), Year of construction: 1989, Travel X/Y/Z: 700mm/500mm/600mm, speed: 6300rpm, power: approx. 10kW, feed X/Y/Z: 4m/min, rapid traverse X/Y/Z: 10m/8m/10m/min, machine dimensions X/Y/Z: approx. 4500mm/2300mm/2500mm, weight: approx. 6000kg, operating hours: 65425h. On-site inspection is possible. Hnsdowmqxkspfx Ab Iet

Condition: good (used), Year of construction: 2020, 5-axis CNC machining center - universal - Manufacturer: MAZAK Machine model: Variaxis J-500 Control system: Mazatrol SmoothG Year of manufacture: 2020 Hsdpfozr Uudox Ab Isnt Number of controlled axes: 5 TECHNICAL DATA Travel ranges - X-axis: (mm) 350 - Y-axis: (mm) 550 - Z-axis: (mm) 510 - Swivel range A-axis: (degrees) -120 / +30 - C-axis (rotary and swivel table): (degrees) 360 Feed rate X/Y/Z: (mm/min) 8,000 Rapid traverse rates - X-axis (mm/min) 30,000 - A-/C-axis: 10,800 degrees/min Spindle - Spindle speed max.: (rpm) 12,000 - Drive power (ED) 100 / 40: (kW) 7.5 / 11.0 Tool magazine - Tool holder: BT40/CAT40 - Pull stud: Yamazaki ANSI type - Tool positions: 30 - Tool diameter: (mm) 90 - Tool length: (mm) 300 Machine table Swivel rotary table Pallet system - Pallet changer: 2-position - Clamping table dimensions: (mm) 500 x 400 Swivel rotary table - Rotary table diameter: (mm) 500 x 400 - Max. workpiece weight: (kg) 200 EQUIPMENT FEATURES + Internal cooling system 70 bar + Chip conveyor with scraper band + Oil mist extraction + Tool length measurement and tool breakage monitoring + Additional interior lighting + Signal light (3-color) Subject to changes and errors in the technical data and specifications.

Year of construction: 2003, condition: ready for operation (used), functionality: fully functional, machine/vehicle number: 300-M270100, Schüco PBS profile machining center – 5-axis CNC, year of manufacture 2003, ready for immediate use TECHNICAL DETAILS Hedpfxjxr N Rms Ab Ijnt X-axis travel: 6,650 mm Y-axis travel: 800 mm Z-axis travel: 500 mm X-axis feed rate: 0–40 m/min X-axis rapid traverse: 40 m/min Y- and Z-axis feed rate: 0–30 m/min Y- and Z-axis rapid traverse: 30 m/min B-axis rotation: 0–90° continuous C-axis rotation: 0–360° continuous B- and C-axis rotation speed: 10,000°/min Positioning accuracy within a macro: max. 300 mm ±0.1 mm Positioning accuracy over a 6,000 mm length: < ±0.15 mm MILLING Maximum tool dimensions for milling and drilling: Ø 50 mm, length = 60 mm Maximum tool dimensions for disc milling cutters: Ø 300 mm Maximum spindle motor power: 7 kW Disc milling cutter spindle motor power: 7 kW Spindle speed: 0–30,000 rpm Tool change time: < 15 s (clamp to clamp) Tool holder: HSK-E-40 steep taper Tool magazine: 9 plus 1 positions Total machine weight: 6.5 tons WORK AREA Number of clamping blocks: 8 units Clamping block positioning: automatic Maximum profile length for 3-sided machining: 6,650 mm Maximum profile length for 5-sided machining: 6,100 mm Maximum profile cross-section with maximum tool length: 300 mm x 230 mm

Condition: used, Year of construction: 2012, operating hours: 9,974 h, total height: 2,700 mm, total length: 7,700 mm, total width: 2,420 mm, Empty weight: 7.390 kg CNC machining centre SCM Morbidelli M-600 5-axis machine Year of construction 2012 Machine no. AA2/002032 Working distance X-axis 5020 mm Working distance Y-axis 1680 mm Working distance Z-axis 250 mm Tool positions 36 Vertical drilling spindles 24  Software SCM XILOG MAESTRO SCM PRISMA K SCM TTS system Milling spindle liquid-cooled SCM TecPad MORBIDELLI TV Matic SCM PRO-SPACE SCM RAPID 12 SCM RAPID 24 Including vacuum pump Capacity 250 m3/h Hjdpewnhccefx Ab Ijnt Disassembled for transport Weight 7450kg - Details: - └ Description: Machine gives malfunction spindle - Year: 2012 - Documentation available: No - CE marking present: Yes - CE certificate present: No - Serial number: AA2/002032 - Operating hours: 9974 - Number of milling spindles [pcs.]: 1 - └ Milling spindle 1: - - Number of controlled axes [pcs.]: 5 - Type milling table: Beam table - Drilling unit present: Yes - └ Horizontal drill spindles [pcs.]: 6 - └ Vertical drilling spindles [pcs.]: 24 - Saw unit present: Yes - Tool changer positions [pcs.]: 36 - System/software: SCM Maestro - Vacuum pump present: Yes - └ Number [pcs.]: 1 - └ Brand: Becker - └ Capacity [m³/h]: 250 - CNC options: Offcut conveyor - Working range X [mm]: 5020 - Working range Y [mm]: 1680 - Z-axis working range [mm]: 250 - Transport dimensions: 7700mm x 2420mm x 2700mm (l x w x h) - Transport weight [kg]: 7390kg - Transport packages [pcs.]: 1 Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: ready for operation (used), Year of construction: 2012, A CNC vertical machining center is offered. Travel X/Y/Z: 1000mm/500mm/570mm, table dimensions X/Y: 1200mm/500mm, max. workpiece weight: 800kg, distance from spindle nose to table: approx. 120-690mm, tool holder: SK40, max. spindle speed: 10000rpm, tool magazine: 24, max. tool diameter: approx. 80mm, max. tool length: approx. 300mm, max. tool weight: approx. 7kg, rapid traverse X/Y: 24m/min, rapid traverse Z: 20m/min, positioning accuracy: approx. 8-12µm, control: Heidenhain TNC 620. Machine dimensions X/Y/Z: approx. 2700mm/2550mm/2770mm, machine weight: approx. 5100kg. Inspection possible by appointment. Hnjdpfx Abszipgij Ist

Condition: used, Year of construction: 2014, Colour: White Empty weight: 4.500 kg - Machine available from: 2026-03-30 - Year: 2014 - Documentation available: Yes - CE certificate present: Yes - Serial number: AA1/017825 - Number of milling spindles [pcs.]: 1 - └ Milling spindle 1: - - Number of controlled axes [pcs.]: 5 - Type milling table: Beam table - Tool holder: HSK-F63 - Drilling unit present: Yes - Tool changer positions [pcs.]: 12 - System/software: SCM Maestro - Safety feature: Enclosed fence, Safety light curtain - Vacuum pump present: Yes Hsdpfx Absx Hwhxo Isnt - └ Number [pcs.]: 1 - └ Brand: Becker - └ Type: VTLF 2.250/0-791 - └ Year of manufacture: 2014 - └ Main motor power [kW]: 5.5 - └ Capacity [m³/h]: 244 - └ Vacuum pressure [bar]: 200 - CNC options: Manual control - CNC documentation available: USB stick - Working range X [mm]: 5200 - Working range Y [mm]: 1550 - Z-axis working range [mm]: 160 - Installed length [mm]: 9000 - Installed width [mm]: 5000 - Installed height [mm]: 3100 - Transport weight [kg]: 4500kg Financial information VAT: The price shown is exclusive of VAT VAT/margin: VAT deductible for entrepreneurs Delivery and trade-in always possible for everything in the industrial sectors Yorick Diebels

Condition: ready for operation (used), Year of construction: 2012, A CNC vertical machining center is offered. Travel X/Y/Z: 1000mm/500mm/570mm, table dimensions X/Y: 1200mm/500mm, max. workpiece weight: 800kg, distance from spindle nose to table: approx. 120-690mm, tool holder: SK40, max. spindle speed: 10000rpm, tool magazine: 24, max. tool diameter: approx. 80mm, max. tool length: approx. 300mm, max. tool weight: approx. 7kg, rapid traverse X/Y: 24m/min, rapid traverse Z: 20m/min, positioning accuracy: approx. 8-12µm, control: Heidenhain TNC 620. Machine dimensions X/Y/Z: approx. 2700mm/2550mm/2770mm, machine weight: approx. 5100kg. Inspection possible by appointment. Hodpfx Ajzipgpjb Ijnt

Condition: used, CNC Vertical Machining Center HURCO Type BMC 25/M Serial No: ZB9-001-052 Year of manufacture: approx. 1995 Travel distances X: 610 mm, Y: 410 mm, Z: 560 mm Table size (clamping surface) 845 x 400 mm Table size (with coolant groove) 1050 x 500 mm Spindle taper SK 40 Distance spindle nose - table 155 - 710 mm Table load capacity max. 500 kg Overhang 420 mm Spindle speed max. 10,000 rpm Feed rate 3 to 5080 mm/min Rapid traverse 10 m/min Spindle drive approx. 5.5 kW Power supply 400 Volt, 50 Hz - CNC path control Ultimax 3 with two TFT monitors - Electronic handwheel - Indirect measuring system with rotary encoders on the ballscrew - Tool changer with 20 tool stations - Full enclosure with sliding door Hnjdpfxow Nklhj Ab Iot - Swiveling control panel - Yaskawa (Japan) spindle drives - Pneumatic-mechanical tool clamp - Without coolant system – pump included – coolant tray missing Machine width 2400 mm Space requirement for transport L x W x H = 3000 x 2400 x 2650 mm Weight 4200 kg Good condition

Condition: ready for operation (used), Year of construction: 2013, Two Geiss CNC machining centers are available. 1) Geiss FZ 2000x1000, year of manufacture: 2012, travel path X/Y/Z: 2450mm/1400mm/800mm, B-axis: 285°, C-axis: 520°, speed: 30000rpm, table dimensions X/Y: 2000mm/1000mm, machine dimensions Y/Z: 2500mm/2450mm, weight: approx. 30500kg. 2) Geiss FZ 2800x1000, year of manufacture: 2013, table dimensions X/Y: 2800mm/2000mm, weight: approx. 42000kg. The Geiss machine with the year of manufacture 2013 has spindle problems. A cost estimate is available for this. The repair can be carried out before the sale or by the buyer. Documentation available. An on-site inspection is possible. Individual sale possible. Hnodpfx Ajy Ant Reb Iot

Condition: ready for operation (used), Year of construction: 2007, A CNC 5-axis pentapod machining center Metrom is available. Axes: 5, Travel X/Y/Z/V: 1600mm/2800mm/1000mm/3200mm, A-axis swivel: 90°, Table dimensions X/Y: 1600mm/1800mm, Tool interface: HSK63, Speed: 15000rpm, Spindle power: 25kW/32kW. Machine dimensions X/Y/Z: approx. 6500mm/4000mm/4500mm, Weight: approx. 14000kg, Control: Andronic 2060. Including enlarged worktable, coolant system with 200l tank, Blum TC 50 3-D touch probe, additional holder and milling spindle. Documentation available. An on-site inspection is possible. Hnedpfx Aezhnr Isb Ijt

Condition: ready for operation (used), Year of construction: 2005, A CNC vertical moving-column machining center Mazak in need of repair is available. Travel X/Y/Z: 1120mm/510mm/510mm, table dimensions X/Y: 1460mm/510mm, max. table load: 800kg, spindle speed: 12000rpm, tool holder: SK40, tool stations: 30, rapid traverse: 36m/min. Machine dimensions X/Y/Z: approx. 3300mm/2900mm/2800mm, weight: approx. 7500kg, control: Mazatrol 640 M. The spindle does not always decelerate properly. Documentation available. An on-site inspection is possible. Hedozf Nccepfx Ab Ijnt

Condition: ready for operation (used), X-travel: 500mm, y-travel: 250mm, z-travel: 145mm, table dimensions: 885x320mm, max. load: 250kg, rotational speed: 50-10,000/min, controls: HEIDENHAIN TNC 407, weight: 2.4t, operational hours counter: ca. 39,900h. Hsdehcxfpjpfx Ab Ient

Condition: ready for operation (used), Year of construction: 2017, A DMG Mori CNC 4-axis machining center is available. X/Y/Z-axis travel: 730mm/730mm/880mm, spindle speed: 20000rpm, rapid traverse: 60m/min, feed rate: 60m/min, feed force: 10kN, tool interface: HSK-A63, number of pallets: 2, max. workpiece weight: 500kg, tool positions: 40, control: Siemens Sinumerik 840D sl Operate, power-on hours: 14948h, operating hours: 5251h. Including chip conveyor, pallet changer and coolant tank. Documentation available. An on-site inspection is possible. Hnedpfx Aozlt Rqsb Ijt

Condition: ready for operation (used), Year of construction: 2017, A DMG MORI CNC 4-axis machining center is available. X/Y/Z-axis travel: 730mm/730mm/880mm, spindle speed: 15000rpm, torque: 250Nm/104Nm, tool interface: HSK-A63, spindle-to-table distance: 80mm-810mm, spindle nose-to-table distance: 70mm-950mm, pallets: 2, pallet dimensions X/Y: 500mm/500mm, max. workpiece weight: 700kg, max. workpiece diameter: 800mm, max. workpiece height: 1000mm, tool positions: 60, rapid traverse: 60m/min, feed rate: 60m/min. Machine dimensions X/Y/Z: approx. 6000mm/4000mm/2700mm, weight: approx. 12000kg, control: Siemens Sinumerik 840D sl, power-on hours: 33184h, operating hours: 10601h. Including 70bar internal coolant supply and Knoll KF 110/700. Documentation available. An on-site inspection is possible. Hsdpfx Abszlt Szs Ijnt

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. Hnjdpfszdumqjx Ab Ist

Condition: ready for operation (used), Year of construction: 2017, The machine (specifically, the upper drilling head) will be overhauled, and all functions will be verified by Novellomac in September, after it arrives at the warehouse. A demonstration and on-site inspection will also be possible, including via video. Workpiece length: 3000 mm Maximum workpiece width: max. 1300 mm (with some limitations) 2 panel clamping devices Lower working units: Milling unit Saw unit for grooves, in the X and Y directions, rotatable by 90° Vertical drilling bits: 36 Horizontal drilling bits X: 6 Horizontal drilling bits Y: 2 Upper working units: Milling unit Saw unit for grooves, in the X and Y directions, rotatable by 90° Vertical drilling bits: 36 Horizontal drilling bits X: 6 Horizontal drilling bits Y: 2 Control: powerControl PC86 powerTouch Software: woodWOP Hnjdpszq Ab Nofx Ab Iot Barcode reader system package Loading table with air cushion Transverse belt conveyor for unloading Safety guards Multiple processing of workpieces up to 3000 mm in length Part of the upper drilling head requires overhaul.

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 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. Hnodpez Adt Rsfx Ab Iet - 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), A Maka 5-axis CNC machining center for aluminum, plastic, or wood in need of repair is offered. Travel path X/Y/Z: 2500mm/1500mm/650mm, max. fixture height: 180mm, rapid traverse X/Y/Z: 60m/min, C-axis rotation: 540°, A-axis swivel: +/-98° (196° total range), number of work tables: 2, table size per table: 2500mm x 1500mm, magazine capacity: 20 tools per magazine, total tool positions: 2x20. The drive motor of the Z-axis is defective. Inspection possible by appointment. Hnedpfx Abszcyq He Ijt

Condition: ready for operation (used), Year of construction: 2002, A Fehlmann CNC machining center that was used in the ceramics industry is available. Travel X/Y/Z: 700mm/420mm/610mm, speed: 20000rpm, tool holder: SK30, tool positions: 48, spindle power: 9kW, torque: 70Nm, table dimensions X/Y: 1260mm/490mm, weight: approx. 5200kg, control: Heidenhain TNC 430M. The C key has a fault on the ATS swivel apparatus regarding the amplitude. The ball screws of the X and Y axes were recently replaced. Without extraction system. Documentation available. An on-site inspection is possible. Hnsdpey H I Eujfx Ab Iet

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 Hsdpfx Abezy N E Hj Iont - Max. drilling depth: approx. 38 mm - Drilling diameter: max. approx. 35 mm - Spindle spacing: 32 mm - 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: 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 Hnsdpjzwg H Asfx Ab Ijt Monitor size: 15" 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: used, DECKEL MAHO DMU 60T Hnedpfxowg Df Do Ab Iet HEIDENHAIN 426 – worktable dimensions (length x width): 900 x 500 mm – table load: 350 kg – maximum feeds in the X/Y/Z axes: 600/525/ 500 mm