Klaiber Stroj Za Brušenje Orodja nakup rabljenega (86.601)

Stanje: zelo dobro (rabljeno), Leto izdelave: 2013, obratovalne ure: 1.169 h, Funkcionalnost: popolnoma funkcionalen, Dear Sir or Madam, We are pleased to offer you a fully equipped Schütte grinding machine. Bedsva Dumopfx Agtjdb For a detailed technical description, please refer to the technical data sheet.

Stanje: rabljeno, Leto izdelave: 2006, Offer in progress! Bdjdpfswftufjx Agtob

Stanje: rabljeno, Leto izdelave: 1992, Grinding diameter - max. 0 mm Grinding length 0 mm Workpiece length 970 mm Total power requirement 12 kW Machine weight approx. 5 t Space requirement approx. m Center height with base 220 mm Center width/clamping length (without tailstock) 970 mm Table size 1,900 x 300 mm Upper table 1,500 x 160 mm X / Y / Z axis 750 / 320 / 320 mm Grinding head swivellable (B axis) +/- 25° Bdsdpjt Hwpaefx Agtob Grinding head rotatable around vertical axis (C axis) 200° Speed range of R axis (cylindrical grinding) 0-50 rpm Feed speed X / Y / Z axis 0.005 - 5 m/min Grinding spindle speeds, stepless 2,000 - 12,000 rpm Workpiece carrier mount 50 ISO Indexing capability 1 - 999° Pitch options 0.5 - 10,000 mm Spindle drive/total drive 6/12 kW - 380 V - 50 Hz SCHÜTTE / NUM 760 CNC path control for 4+2 axes with BOSCH and SIEMENS components and monitor, program input directly via keyboard with plain text or via a separate PC, free programming according to ISO/DIN for any workpieces, extensive archive of standard tool grinding programs available, including combination programs, etc. C axis as rotary table on the Z-axis column for rotating the grinding head 10-180-10°, hydraulically lockable B axis as a motorized swivelling grinding head +/- 25° with hydraulic clamping B and C axis are ideal for multiple grinding operations in one automatic cycle, such as flute grinding, gear hob grinding, peripheral and face grinding of workpieces, etc. R axis for indexing and cylindrical grinding, manually rotatable and swivellable, hydraulic workpiece clamping 4+2 axis interpolation for finish grinding of complex straight-fluted and helical cutting tools, solid carbide tools, deep hole drills, etc. Grinding spindle with stepless speeds (6 kW) and left/right wheel mounting RENISHAW probe LP 2 on grinding head for setup and determining workpiece data Large coolant system with high-pressure nozzle and POLO band filter from 1999, oil mist extraction unit Complete splash guard enclosure of the working area with 3 doors (locked by CNC) 3 grinding wheel arbors, workpiece holding fixture SK 50, adapters, etc. SK 50 probe insert in conjunction with alignment arbor and grinding spindle master gauge.

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2001, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 236, največja hitrost vretena: 6.000 obr/min, dolžina pomika po osi Y: 35 mm, dolžina podajanja os Z: 67 mm, dolžina brušenja: 50 mm, premer brušenja: 2 mm, dolžina odseka (maks.): 15 mm, No reserve price – guaranteed sale to the highest bidder! Bidding requires timely collection between 28.07.2025 and 31.07.2025. Three-axis simultaneous operation + two robotic axes TECHNICAL DETAILS Control: ROLLOMATIC GRINDING RANGE Grinding diameter: 0.1 – 2.0 mm Collet: B 8 Cutting length: 0 – 15 mm Helix angle: 24 – 45° Overall length: 30 – 50 mm Bsdpfx Agewvi H Setjdb TRAVEL Z-axis travel: 67 mm Y-axis travel: 35 mm AXES A: 63° B: 360° C: 360° STATIONS Station 1: Robot for loading/unloading Shank diameter: 0.5 – 3.175 mm Overall length: 30 – 50 mm Station 2: Flute grinding and back grinding Direct-driven spindle: 70 mm diameter, 0.30 kW Frequency converter: 2,000 – 6,000 rpm Flute grinding wheel: 150 mm diameter Back grinding wheel: 100 mm diameter MACHINE DETAILS Operating voltage: 3 x 400 V Frequency: 50 Hz Overall height: 2,200 mm Overall length: 2,000 mm Overall width: 2,300 mm Total weight: 2,000 kg

Stanje: nepreverjeno (rabljeno), Leto izdelave: 1999, Funkcionalnost: nepreverjeno, številka stroja/vozila: 061, dolžina pomika po osi Y: 35 mm, dolžina podajanja os Z: 67 mm, dolžina brušenja: 50 mm, hitrost vretena za brušenje: 6.000 obr/min, premer brušenja: 2 mm, premer diska: 150 mm, dolžina odseka (maks.): 15 mm, No reserve price – guaranteed sale to the highest bidder! Placing a bid obliges you to collect the item within the specified period from 28.07.2025 to 31.07.2025. Three simultaneous axes + two robotic axes TECHNICAL DETAILS Control system: ROLLOMATIC Grinding area Grinding diameter: 0.1 – 2.0 mm Collet: B 8 Cutting length: 0 – 15 mm Spiral angle: 24 – 45° Overall length: 30 – 50 mm Z-axis stroke: 67 mm Bdsdpowvi Rkefx Agteb Y-axis stroke: 35 mm Axes A: 63° B: 360° C: 360° Station 1 Robot for loading/unloading Shank diameter: 0.5 – 3.175 mm Station 2 Fluting and clearance grinding Direct-driven spindle: 70 mm diameter, 0.30 kW Frequency converter: 2,000 – 6,000 rpm Grinding wheel for fluting: 150 mm Ø Grinding wheel for clearance grinding: 100 mm Ø MACHINE DETAILS Overall height: 2,200 mm Overall length: 2,000 mm Overall width: 2,300 mm Total weight: 2,000 kg Operating voltage: 3 x 380 V Frequency: 50 Hz

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 1978, obratovalne ure: 300 h, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: UWII/2567/78, Tool grinding machine Motorized height adjustment has been repaired Spare parts supply is ensured by a repair service > Grinding table 835 x 145 mm < Bjdpfx Agjv Hcblstedb Longitudinal travel by hand 500 mm Swiveling capability 90 degrees > Grinding head < Cross travel 220 mm Height adjustment 250 mm Swiveling range horizontal + vertical - 360 degrees Enlargement of the operating range via eccentric plate Grinding spindle D60x240mm Speeds – 2 belt stages 3300/5400 rpm Weight approx. 700 kg Space requirement 1800x1300x1600 mm The machine is operational, all movements can be actuated with the handwheel.

Stanje: rabljeno, Leto izdelave: 1975, Št. stroja: 1640 Teža: 280 kg Z primežem: da Bdodpfxjh H Eqno Agtob +++++ Prosimo, upoštevajte, da je stroj razstavljen in pripravljen za nakladanje. Zaradi tega demonstracija pod napetostjo ali izdelava videoposnetka ni mogoča. Naš oglas vsebuje že najbolj reprezentativne fotografije v najboljši možni kakovosti. Pošiljanje dodatnih slik žal ni mogoče. +++++

Stanje: rabljeno, Leto izdelave: 2003, CNC brusilni stroj za orodja Schneeberger NORMA CFG Leto izdelave: 2003 Višina konic: 210 mm Dolžina mize: 950 mm Širina mize: 310 mm Pomiki osi X: 380 mm Pomiki osi Y: 280 mm Pomiki osi Z: 280 mm Premer brusnega koluta: 50–200 mm Rotacija brusne glave - os A: 360° Rotacija orodja - os C: 340° Resolucija vretena osi C: 0,001° Vpenjanje orodij: HSK 50 Brezstopenjska hitrost brusnega vretena: 0–9000 min⁻¹ Hidravlični sistem: 6 bar Priključek: 3×400 V / 50 Hz Moč vretena: 7,5 kW Skupna priključna moč: 33 kVA Teža stroja: pribl. 5500 kg Mere stroja (dolžina): 1930 mm Širina: 1590 mm Bodpjxz R T Ujfx Agtodb Višina: 2250 mm Krmiljenje: GE Fanuc Series 16-M Pribor: različni držaji za brusne kolute in orodja Maks. obratovalni tok: 3×40 A Za pravilnost, celovitost in ažurnost podatkov ne prevzemamo odgovornosti.

Stanje: pripravljen za uporabo (rabljen), Leto izdelave: 2000, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 605, največja hitrost vrtenja: 3.000 obr/min, premer brušenja: 12 mm, model krmilnika: Robot CNC, višina obdelovanca (maks.): 100 mm, premer mize: 200 mm, TECHNICAL DETAILS Grinding capacity (diameter): Ø 0.025 – 12.7 mm Bar diameter: Ø 1.0 – 12.7 mm Grinding length: W15 (option: W20) Number of wheels: 1 Table diameter: 200 mm Workpiece height: 100 mm Control system: Robot CNC Axes: 4 axes + 2 programmable robot axes Z-axis: 35 mm, resolution: 0.5 µm X-axis: 25 mm, resolution: 0.1 µm Y-axis: 286 mm, resolution: 0.5 µm U-axis: 15 mm, resolution: 0.1 µm Bodoxnzd Dopfx Agtjdb Interpolation: Simultaneous linear interpolation of 4 axes, cylindrical interpolation of 2 robot axes Head motor Power: 0.70 kW Speed: 300 – 3,000 rpm Rough grinding Power: 1.5 kW Spindle diameter: Ø 60 mm Grinding wheel diameter: Ø 200 mm Cutting speed: 30 m/s Finishing Power: 0.75 kW Spindle diameter: Ø 100 mm Grinding wheel diameter: Ø 150 mm Cutting speed: adjustable MACHINE DETAILS Total power requirement: 6 kW Machine weight: approx. 1.8 t Installation dimensions (L x W x H): approx. 1.83 x 2.04 x 2.1 m EQUIPMENT - Loading and unloading robot - Fire protection system

Stanje: zelo dobro (rabljeno), Leto izdelave: 2002, Funkcionalnost: popolnoma funkcionalen, Universal Tool Grinding Machine Michael Deckel S11 speed, Year of Manufacture 2002, Very Good Condition!! Technical Data: >> Year of manufacture: 2002 >> Serial no. 2197 Clamping Range: >> Clamping table size on tool slide: 500 x 180 mm >> Max. tool diameter between centers: 130 mm >> Max. tool length between centers: 270 mm Bdsdpfswrnf Eex Agteb >> T-slot size on machine base: 12 mm Movement Range: >> Working travels: Grinding stroke: 190 mm Grinding stroke for helical grinding: 190 mm Cross travel of tool slide: 100 mm Vertical adjustment of grinding head: 325 mm Longitudinal adjustment of grinding spindle: 5 mm >> Coarse adjustment: Tool carrier: 220 mm Grinding head support: 800 mm >> Swivel angles: Grinding head support: 360 degrees Grinding head: 360 degrees Tool carrier: 360 degrees Grinding Spindle: Three-phase drive motor 1.1 kW at 2800 rpm Spindle speeds, infinitely variable: 2000 to 12000 rpm Max. grinding wheel diameter: 125 mm Max. cut-off wheel diameter: 200 mm Dimensions: Weight: 520 kg Dimensions (D x W x H): 800 x 1100 x 1760 mm Required space (including operation): 2.5 x 2.3 m Accessories and Equipment: >> See photos About the Machine: For sale is a universal tool grinding machine from Michael Deckel, model S11 speed. The machine is suitable for grinding highly precise parts. With the S11, individual pieces and small batches can be ground remarkably quickly, economically, and flexibly, all with maximum user comfort. The Deckel S11 speed is in very good condition, mechanically and electrically tested. You are welcome to inspect and test the machine under power on site.

Stanje: zelo dobro (rabljeno), Leto izdelave: 1992, Universal Tool Grinding Machine Michael Deckel S11 – Very Good Condition!! Technical Data: >> Year of manufacture: 1992 >> Serial No.: 1651 Clamping Range: >> Mounting surface of tool carriage: 500 x 180 mm >> Max. tool diameter between centers: 130 mm >> Max. tool diameter when free-standing in universal dividing head: 620 mm >> Max. tool length between centers: 270 mm >> T-slot width machine base: 12 mm >> T-slot width grinding head, tool carriage, and accessories: 8 mm Movement Range: >> Working travels Bjdpfxem E T Anj Agtodb Grinding stroke: 190 mm Grinding stroke for spiral grinding: 190 mm Cross movement of tool carriage: 100 mm Vertical adjustment of grinding head: 325 mm Longitudinal adjustment of grinding spindle: 5 mm >> Coarse adjustment travels Tool holder: 220 mm Grinding head support: 800 mm Universal dividing head on tool carriage: 330 mm >> Swivel angles Grinding head support: 360 degrees Grinding head: 360 degrees Tool holder: 360 degrees Grinding Spindle: Three-phase drive motor: 1.1 kW at 2800 rpm Spindle speeds, stepless: 2000 to 10000 rpm Max. grinding wheel diameter: 125 mm Max. cut-off wheel diameter: 200 mm Dimensions: Weight: 520 kg Dimensions (D x W x H): 800 x 1100 x 1760 mm Space requirement (including operation): 2.5 x 2.3 m Accessories and Equipment: >> Opto-electronic measuring device with microscope and digital display >> Radius grinding attachment SK40 >> Handwheel device for tool carriage >> Extraction unit >> Machine lamp About the Machine: For sale is a universal tool grinding machine from the brand Michael Deckel S11. The machine is designed for grinding highly precise parts. The S11 allows for surprisingly fast, economical, and flexible grinding of single parts and small series, while offering maximum operator comfort. The Deckel S11 is in very good condition. Mechanically and electrically tested. Take the opportunity to inspect and test the machine under power on site.

Stanje: zelo dobro (rabljeno), Leto izdelave: 1995, Tool Grinding Machine Michael Deckel S5 in Very Good Condition Technical Data: >> Year of manufacture: 03/1995 Bedpfxopr U Etj Agtedb >> Max. grinding wheel diameter: 100 mm >> Spindle speed: 5,600 rpm >> Power consumption: 1.5 kW >> Weight: 450 kg Accessories: >> Swiveling dividing head SK40 >> Various SK40 holders About the Machine: Offered for sale is a Michael Deckel S5 tool grinding machine. This machine is suitable for grinding high-precision parts. The Deckel S5 is in very good condition. Mechanically and electrically tested. Take the opportunity to inspect and test this machine under power at our premises.

Stanje: zelo dobro (rabljeno), Leto izdelave: 1992, Funkcionalnost: popolnoma funkcionalen, Universal Tool Grinding Machine Michael Deckel S11 with accessories and tool cabinet in very good condition!! Technical Data: >> Year of manufacture: 1992 >> Serial No.: 1673 Clamping Range: >> Clamping surface of tool slide: 500 x 180mm Bdsdpfxoxu E Nqj Agtsb >> Max. tool diameter between centers: 130mm >> Max. tool diameter with overhung clamping in universal dividing head: 620mm >> Max. tool length between centers: 270mm >> T-slots on machine base: 12mm >> T-slots on grinding head, tool slide, and accessories: 8mm Travel Range: >> Working travels Grinding stroke: 190mm Grinding stroke for helical grinding: 190mm Transversal adjustment of tool slide: 100mm Vertical adjustment of grinding head: 325mm Longitudinal adjustment of grinding spindle: 5mm >> Coarse adjustment travels Tool carrier: 220mm Grinding head carrier: 800mm Universal dividing head on tool slide: 330mm >> Swivel angles Grinding head carrier: 360 degrees Grinding head: 360 degrees Tool carrier: 360 degrees Grinding Spindle: Three-phase drive motor: 1.1KW at 2800 rpm Spindle speeds, infinitely variable: 2000 to 10000 rpm Max. grinding wheel diameter: 125mm Max. cutoff wheel diameter: 200mm Dimensions: Weight: 520 kg Dimensions (Depth x Width x Height): 800 x 1100 x 1760mm Space Requirement (including operation): 2.5 x 2.3 m Accessories and Equipment: 1 pc tool cabinet with contents: >> See pictures About the Machine: For sale is a universal tool grinding machine, brand Michael Deckel S11. The machine is suitable for grinding highly precise parts. With the S11, single pieces and small batches can be ground surprisingly quickly, economically, and flexibly, all with maximum operating comfort. The Deckel S11 is in very good condition and comes with extensive accessories. Mechanically and electrically tested. Take the opportunity to view and test the machine under power on site.

Stanje: dober (rabljeno), Leto izdelave: 1990, 1 x brusilni stroj za orodje Doebelie Bodpexza Nxefx Agtedb D 175 kombinirano brušenje Letnik izdelave: 1990 z napravo za hlajenje. + strojna svetilka Stroj si je mogoče ogledati pod napetostjo.

Stanje: generalkompletno obnovljen (rabljeno), Leto izdelave: 2002,

Stanje: nepreverjeno (rabljeno), Leto izdelave: 2005, Funkcionalnost: nepreverjeno, številka stroja/vozila: 57/2005, potovalna razdalja osi X: 400 mm, pomik osi Y: 310 mm, pomik po osi Z: 305 mm, premer obdelovanca (maks.): 260 mm, dolžina orodja: 900 mm, No reserve price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Travel X-axis: 400 mm Travel Y-axis: 310 mm Travel Z-axis: 305 mm Max. workpiece diameter: approx. 260 mm Max. tool length: approx. 900 mm Spindle power: up to 24 kW Tool holder: SK 50 Speed range: up to 12,000 rpm Grinding wheel changer: 8-position Tool changer: 155-position A-axis swivel range: 360° C-axis swivel range: 224° Feed rate: 2,000 mm/min MACHINE DETAILS Control: PMAC Dimensions & Weight Dimensions (L x W x H): 2,900 x 1,800 x 2,015 mm Total weight: 4,000 kg EQUIPMENT 8-position grinding wheel changer for up to 24 grinding wheels 155-position chain loader for automatic operation Workpiece gripper Measuring probe Automatic central lubrication system Bjdpfx Ajxqpitegtodb Direct position measuring system Stepless spindle speed / feed rate control Hydraulic chuck 1 set of hydraulic collets Additional collets of various diameters for the chain loader Grinding wheel holders with spacer rings Documentation Note: The LUST card (frequency inverter drive) is defective and must be replaced.

Stanje: dober (rabljeno), skupna masa: 1.200 kg, The machine equipment can be customized as needed for an additional charge – almost everything is possible. We specialize in retrofitting Jungner machines. Bedpfx Agjtwpyyotjdb

Stanje: rabljeno, Leto izdelave: 2005, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: TX7_600195, skupna višina: 22.500 mm, skupna dolžina: 25.200 mm, skupna širina: 15.500 mm, teža obdelovanca (maks.): 25 kg, največja hitrost vretena: 10.000 obr/min, premer brusilnega koluta: 202 mm, skupna masa: 7.500 kg, dolžina brušenja: 400 mm, moč motorja brusilnega vretena: 37.000 W, moč: 37 kW (50,31 KM), premer obdelovanca (maks.): 300 mm, premer diska: 202 mm, 5-axis CNC tool grinding machine – available used or refurbished. High-performance production machine featuring a polymer concrete base (ANCAcrete), direct-drive 37 kW spindle, dual-wheel changer for up to eight grinding wheels, automatic pallet loading (max. 520 tools, 15 seconds), extraction system, steady rest preparation, and automatic wheel dressing. Ideally suited for the production of carbide and HSS tools in an industrial setting. Bsdpsq Sud Rjfx Agtjdb !Offer available only in Europe, Africa, and the Middle East!

Stanje: rabljeno, Leto izdelave: 2007, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: RX7_800314, skupna višina: 1.905 mm, skupna dolžina: 2.010 mm, skupna širina: 2.508 mm, teža obdelovanca (maks.): 20 kg, največja hitrost vretena: 10.000 obr/min, premer brusilnega koluta: 202 mm, skupna masa: 4.500 kg, moč: 19 kW (25,83 KM), 5-osni CNC brusilni stroj za orodja – popolnoma prenovljen (X-, Y-, Z-os, CNC). Visoko zmogljiv proizvodni stroj s posteljo iz polimernega betona (ANCAcrete), vreteno 19 kW, 10.000 vrt./min, dvokanalni menjalec brusnih plošč za do osem brusnih plošč. !Ponudba je na voljo samo v Evropi, Afriki in na Bližnjem vzhodu! Bdsdew Uf Sgepfx Agteb

Stanje: rabljeno, Leto izdelave: 2014, številka stroja/vozila: GX7_801256, skupna višina: 1.900 mm, skupna dolžina: 2.010 mm, skupna širina: 2.500 mm, teža obdelovanca (maks.): 20 kg, največja hitrost vretena: 12.000 obr/min, premer brusilnega koluta: 202 mm, skupna masa: 4.500 kg, moč: 1,9 kW (2,58 KM), 5-axis CNC tool grinding machine – available used or refurbished. High-performance production machine featuring a polymer concrete base (ANCAcrete), 19 kW, 12,000 rpm spindle, and a dual-wheel changer for up to eight grinding wheels. !Offer only available in Europe, Africa, and the Middle East! Bdodpfx Aotwn Tfjgteb

Stanje: dober (rabljeno), Leto izdelave: 1964, Grinding machine, angle grinder, lathe tool grinder, thread tap grinder, cutter grinder, surface grinder, drill bit grinder, bench grinder Bdsdpfx Agehmlhvoteb - Manufacturer: Wilhelm Simon, tool grinding machine with 2 stations - Motor power: 1 kW - Speed: 2800 rpm - Grinding wheels: max. Ø 150 mm - Coolant system: pump is missing, can be replaced for an additional charge - Dimensions: 1430/780/H1380 mm - Weight: 456 kg

Stanje: dober (rabljeno), Grinding machine, angle grinder, for chipper knives, planer knives, saw blade grinding machine, lathe tool grinding machine, cutter grinder, surface grinding machine, drill bit grinder, bench grinder Bdsdpji En Dxefx Agtob - Manufacturer: Chuet Nevers, tool grinding machine - Speed: 3,000 rpm - Grinding wheels: Ø max. 200 mm - Accessories: included, see photos - Dimensions: 680/590/H1560 mm - Weight: approx. 121 kg

Stanje: rabljeno, Grinding Machine, Angle Grinder, Tool Post Grinder, Tap Grinder, Cutter Grinder, Surface Grinder, Drill Grinder, Bench Grinder, Tool Grinding Machine Bjdpfolmrkzjx Agtsdb -Manufacturer: Bösch, Tool Grinding Machine Type L 15 -Grinding wheel: max. Ø 150 x 32 mm / fitted Ø 125 mm, see photos -Motor power: 0.55 kW -Speed: 2800 rpm -Coolant system: -Dimensions: 1110/480/H1310 mm -Weight: approx. 182 kg

Stanje: dober (rabljeno), Leto izdelave: 1982, Grinding machine, angle grinder, tool post grinder, thread tap grinder, cutter grinder, surface grinder, drill bit grinder, bench grinder, double-ended bench grinder - Manufacturer: Gebr. Bayer, tool grinding machine with 2 stations - Motor power: 0.75 kW - Speed: 2800 rpm - Grinding wheels: max. Ø 225/160 mm - Coolant system: Bodpfx Asnymgdegtjdb - Dimensions: 1210/710/H1340 mm - Weight: 195 kg

Stanje: rabljeno, Leto izdelave: 1954, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 541000, skupna višina: 1.700 mm, skupna dolžina: 1.200 mm, skupna širina: 1.200 mm, skupna masa: 815 kg, dolžina mize: 700 mm, širina mize: 70 mm, premer diska: 150 mm, - Leto izdelave: 1954 - Popolnoma delujoč, priključen na elektriko, pripravljen za predstavitev - Brusilni koluti Ø150 mm - Prečni pomik 300 mm - Vzdolžni pomik 450 mm - Velikost mize 700 x 70 mm / nagibna - Brusilno vreteno nastavljivo v Z, X, Y - Dimenzije stroja 1700 x 1200 x 1200 mm - Teža 815 kg - Tovarniška št.: 541000 Dodatna oprema: Bodpfoxnimtjx Agtsdb - Nagibna delilna glava - Nagibni primež - Diamant za oblačenje 2x - Nosilci brusilnih kolutov - približno 15 diamantnih/borazonskih kolutov - različni brusilni koluti - Vpenjalne klešče Ø1 – Ø20 mm