Varjenje Glavo nakup rabljenega (3.433)

Leto izdelave: 2021, stanje: pripravljen za uporabo (rabljen), V ponudbi je laserska prečna varilna linija. Vlakenski laser 1500W, vodno hlajen, vključen hladilni agregat, vodilo za paletni viličar, dovod zaščitnega plina, naprava za stiskanje zvarnega šiva, daljinski dostop RMACC01 SECOMEA, največja širina traku: 110mm, material traku: Jeklo: 0,25mm-3,0mm, ogljikovo jeklo: 0,25mm-2,5mm, aluminij: 0,25mm-2,5mm, baker: 0,20mm-1,2mm, dimenzije Š/V/D: 650mm/2054mm/1050mm, teža: pribl. 650kg. Ogled možen po dogovoru. Iasdpfx Aaoyugl Uj Ujr

Leto izdelave: 1994, stanje: rabljeno, Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: 2746, We are offering this used and very well-maintained Stiegler US-S 1000 with extensive accessories. This is a seam-welding bag making machine, model year 1994. Fully operational. Includes: - Punching station - Equipment for bottom gusset - C-folding triangle for flat film, max. 1380 mm - Bottom gusset - Allen hot foil coders - Allen thermal transfer printers - Tape unwinding unit for adhesion strips - New stacking and conveyor belts - Unwinding station with folding unit - Web guiding system - Various accessories (photos available on request) The Stiegler US-S 1000 (1994) is a reliable, classic bag making machine with a 1000 mm working width, suitable for industrial processing of PE/PP films. Minimum feed: 80 mm Maximum feed: 600 mm Iajdpfxeywuhde Aa Usr Maximum passage: 900 mm Minimum film width: 200 mm Maximum film width at unwinder: 1380 mm Film thickness: from 0.025 to 0.085 mm Output: up to 160 cycles/min. If you have any questions or need further information, please feel free to send us a message or give us a call.

Stanje: pripravljen za uporabo (rabljen), Stroj za varjenje PE-KPE cevi, stroj za čelno varjenje, varilec plastičnih cevi, stroj za zrcalno varjenje, DYTRON ST 160, rabljeni stroj Proizvajalec: DYTRON Model: ST 160 Skupne dimenzije: Dolžina: 1000 mm Širina: 530 mm Višina: 1160 mm Električni podatki: 230 V DYTRON – Varilna klop ST-160 ST 160 varilna klop je namenjena za čelno in zrcalno varjenje termoplastičnih cevi. Omogoča: - Zrcalno (čelno) varjenje: 40 – 160 mm premera - Puhalno (ragljo) varjenje: 40 – 110 mm premera Za lažje zrcalno varjenje vsebuje set: - Posebna mobilna delovna klop Iedpfx Aasxnqt Us Usar - Električni obrezovalnik cevi - Varilni agregat POLYS P-4a (1200 W) - Vložki za vpenjalke v dimenzijah: d40, 50, 63, 75, 90, 110, 125, 140 mm - Varilni nastavki (pari): d40, 50, 63, 75, 90, 110 mm - Primež-vpenjalni mehanizem za fitinge - Zrcalni nastavek: d170 - Kovček za dodatke - Podporno stojalo - Inbus ključa: 4 mm in 8 mm ST-160 varilna klop je opremljena z mikroprocesorsko nadzorovanim varilnim agregatom. Standardni komplet vključuje tudi posebno delovno klop in kovček z dodatki. Tehnične specifikacije ST-160 Funkcija: Tehnični podatki - Puhalno (ragljo) varjenje: 40 – 110 mm - Zrcalno (čelno) varjenje: 40 – 160 mm - Moč varilnega agregata: 1200 W - Moč obrezovalnika: 630 W - Napajanje: 230 V / 115 V - Regulacija temperature: elektronski regulator - Temperaturno območje: 180 – 280 °C - Indikator temperature: LED dioda - Obrezovalnik: Električni - Teža: 70 kg

Stanje: rabljeno, Inverter welding machine for manual metal arc welding TECHNOLIT type PROFImat 170 Plus MMA welding machine, inverter welder, manual electrode inverter welder New – unused Serial no.: TB1703500316 Article no.: 440030 Year of manufacture: 2022 TIG (DC) Performance: 170 Amps, 45% duty cycle 150 Amps, 60% duty cycle 135 Amps, 100% duty cycle MMA Performance: 170 Amps, 35% duty cycle 145 Amps, 60% duty cycle 125 Amps, 100% duty cycle Adjustable range: 5–170 Amps, stepless Mains connection: 230 Volt, 50 Hz - Hot-start function (optimizes ignition behavior, simplifies starting with hard-to-strike electrodes) - Anti-stick function (optimizes electrode handling and prevents possible sticking of the electrode) - Arc-force function (optimizes arc stability and improves penetration) - Lift-arc arc ignition - Suitable for stick electrode welding, for all electrode types up to Ø 4 mm Isdpfxoi E Iz Ij Aa Uear - Ground cable with plug connection - Electrode holder with 3-meter cable and plug connection - Equipped with 230 Volt Schuko plug - S-mark for welding in environments with increased electrical hazard - Overvoltage protection Dimensions (unit without cables) L x W x H: 310 x 155 x 265 mm Weight (without cables): 7 kg NEW – unused from warehouse stock

Stanje: rabljeno, Inverter welding unit for manual metal arc welding IMS - GYS type PROGYS FLEX 280A CEL MMA welding machine, inverter welding unit, stick electrode inverter Serial No. IEC 60974 Year of manufacture: 2020 Iasdpfxsvg Rh To Aa Uor Performance with mains supply 400 V (40% duty cycle): 280 amps Performance with mains supply 400 V (60% duty cycle): 200 amps Performance with mains supply 400 V (100% duty cycle): 170 amps Performance with mains supply 230 V (40% duty cycle): 200 amps Performance with mains supply 230 V (60% duty cycle): 180 amps Performance with mains supply 230 V (100% duty cycle): 150 amps Current range: 5-280 amps, stepless adjustment Power connection: 230 / 400 volts, 50 Hz - Operating voltage from 110 to 480 volts AC - Fully automatic adaptation to the supply voltage - Equipped with 16A CEE plug for 400V mains supply - Hot-Start function (optimized ignition for easier arc striking, especially with hard-to-strike electrodes) - Anti-Stick function (prevents electrode sticking and improves electrode handling) - Arc-Force function (optimizes arc stability and penetration) - Digital display - Socket for remote control connection - Ground cable with plug connection - Electrode holder with 3-meter cable and plug connection - Suitable for all types of stick electrodes up to Ø 5 mm - TIG-DC welding (TIG torch not included) - The unit may be connected to a flexible three-phase supply between 110 V and 480 V, or to a fixed three-phase 400V supply (50 - 60 Hz) plus earth conductor. This device may only be connected to a 4-wire, 3-phase power system with grounded neutral. Dimensions (unit without cables) L x W x H: 470 x 270 x 430 mm Weight (without cables): 23 kg New, unused

Stanje: rabljeno, Capacitor Discharge Welding Machine MEGATRONIC Type CD-1200 / QB 2 / 6P Capacitor discharge welding technology with high currents and minimal welding times. Spot and projection welding machine The CD (Capacitor Discharge) welding technology operates on the principle of transformed capacitor discharge. Year of manufacture: 1993 Very high welding performance with relatively low mains connection requirements. - Extremely short welding times, welding process features rapid current rise and high welding current within milliseconds - No distortion or annealing - No significant heating of peripheral zones, ideal for heat-sensitive components - Suitable for welding high-carbon steels - Suitable for welding surface-coated workpieces Rated energy: 12,288 Ws Uc: 3,200 Volt Capacitance: 2,400 µF Open-circuit voltage: 10 Volt Electrode force: 200–2,000 daN, continuously adjustable Working air pressure: 6 bar Main fuse: min. 35 Amp. Operating current: 32 Amp. Connection: 400 Volt, 50 Hz - Programmable control megapuls CD-12000 - Parallel electrode guidance - Electric two-hand control console (adjacent) Iaedpfsguvtdjx Aa Ujr - Control cabinet with fixed-mounted control system Weight: 3,000 kg Good condition

Stanje: rabljeno, Capacitor Discharge Welding Machine MEGATRONIC Type CD-1200 / QB 2 / 6P Capacitor discharge welding with high currents and minimal welding times. Projection and spot welding machine The CD (Capacitor-Discharge) welding technology operates according to the principle of transformed capacitor discharge. Machine No. 352 / 92 Year of manufacture: 1993 Very high welding performance with relatively low mains connection. - Very short welding times, welding process with rapid current rise and high welding current within milliseconds - No distortion or annealing - Negligible heating of the peripheral zones, ideal for temperature-sensitive components - Welding of high carbon steels - Welding of surface-coated workpieces Rated energy: 12,288 Ws Uc: 3,200 Volt Capacity: 2,400 µF Open-circuit voltage: 10 Volt Electrode force: 200–2,000 daN, infinitely adjustable Operating air pressure: 6 bar Minimum mains fuse: 35 A Operating current: 32 A Mains connection: 400 V, 50 Hz Isdpfxoguvtao Aa Uoar - Programmable control megapuls CD-12000 - Parallel electrode guidance - Electric two-hand control panel, freestanding - Control cabinet with control unit fixed to the machine Weight: 3,000 kg Good condition

Stanje: rabljeno, E-welding unit, stick electrode welding machine ESAB type LTG 250 Machine no. 736-820-387 Year of manufacture: 1997 Output: 250 amps at 35% duty cycle Ijdpjd N E Rvjfx Aa Usar 190 amps at 60% duty cycle 150 amps at 100% duty cycle Output adjustment: stepless - Electrode holder with 6 metre connection cable - Direct current - Fan cooling - Possible TIG welding capability, without torch package Mains connection: 380 volt, 50 Hz, 32 amp plug Dimensions (L x W x H): 1200 x 750 x 1050 mm Weight: 180 kg Good condition The machine was originally also designed for TIG welding. The TIG torch package is not included, and this function has not been tested. The water cooling was intended for the TIG torch package. Therefore, the unit is sold only as a stick electrode welder. A welding test with stick electrodes yielded very good results.

Leto izdelave: 2025, stanje: novo, Nova enoglava žaga z dvigajočim rezilom Ø 300 mm in ročnim pozicioniranjem vertikalne osi FOM INDUSTRIE PANDA 300 ECHO - Rezilo iz volframovega karbida Ø 300 mm - Hidropnevmatski pomik rezila Isdpfxof Nwxwe Aa Uoar - Sistem za mazanje rezila z meglenjem - Komplet zaščit za območje rezanja - Dva vertikalna primeža - Dva horizontalna primeža - Pripravljeno za odsesavanje ostružkov in hlapov

Leto izdelave: 2021, stanje: novo, Enoglava rezalna žaga OMC RONDA 700, nova Stroj na zalogi - žagin list premera 700 mm - hidro-pnevmatsko podajanje - pnevmatski nagib na obe strani, s fiksnimi kotnimi nastavitvami 22,5° - 45° - 90°. Za vmesne kote z ročnim mehanskim omejilcem - 2 navpična in 2 vodoravna prijemala - sistem mazanja lista s pršilno meglico - popolna pnevmatska zaščita Iedpjhrukijfx Aa Usar

Leto izdelave: 2021, stanje: novo, Enoglavni rezalni stroj OMC GIOBI 600, nov Iedpfx Ashrumaoa Uoar Stroj na zalogi - Žagin list premera 600 mm - Hidro-pnevmatski pomik - Nagib pnevmatski na obe strani, z vnaprej določenimi koti 22,5° – 45° – 90°. Za vmesne kote mehanska ročna zaustavitev - 2 navpična in 2 vodoravna prijemala - Sistem mazanja žaginega lista z razprševanjem meglice - Popolna pnevmatska zaščita

Stanje: novo, Leto izdelave: 2024, Enoglavna žaga za aluminij FOM INDUSTRIE PANDA 300 ECHO z merilnim sistemom DIGISTOP 4 m, merilno letvijo DIGIBAR 3,3 m in vhodnim tračnim transporterjem PORTER 4,2 m Stroj na zalogi Konfiguracija: Enoglavna žaga z izmetom žaginega lista navzgor Ø 300 mm in ročnim pozicioniranjem vertikalne osi FOM INDUSTRIE PANDA 300 ECHO: - Žagini list iz volframove karbidne trdine Ø 300 mm - Hidro-pnevmatski pomik žaginega lista - Sistem mazanja z meglenko - Komplet zaščite območja rezanja - Dva vertikalna prijemala - Dva horizontalna prijemala - Priprava za odsesavanje odrezkov in hlapov Elektronski merilni sistem DIGISTOP 4 m: - Minimalna dolžina reza 0 mm, maksimalna 4000 mm Iaedpfxewh Rlge Aa Usr - Uporabniku prijazna programska oprema z ikonami in funkcijskimi tipkami - Natančnost 0,1 mm - Ročno izvajanje rezanja - Urejevalnik seznama mer - Urejevalnik za meritve sprejete preko radia ali mreže - Odstranitev kosa po vsakem rezu - Prikaz referenčne vrednosti za vsako meritev - Širina valjev 200 mm Brezžična elektronska merilna letvija DIGIBAR 3,3 m: - Minimalna mera 140 mm - Maksimalna mera (brez podaljška) 1600 mm - Maksimalna mera (s podaljškom) 3300 mm - Kompletu priložena dva podaljška: 1400 mm in 1700 mm - Natančnost 0,1 mm - Masa 2190 g - Napajanje: 4 polnilne baterije AAA - Absolutni merilni sistem (ni potrebe po ponovnem kalibriranju) - 2 LCD vrstici s 16 znaki - Industrijska tipkovnica s 6 zaščitenimi tipkami - 2 LED indikatorja za takojšen prikaz stanja instrumenta - Ergonomski ročaj s preprostim gumbom za zajem meritve Vhodni valjčni transporter PORTER 4,2 m: - Nosilnost 10 kg na meter - Plastični valji, širina 200 mm - Navpični plastični valji

Stanje: zelo dobro (rabljeno), Leto izdelave: 2008, Funkcionalnost: popolnoma funkcionalen, delovno območje: 40 mm, Rezalno-obločna varilna naprava IDEAL BAS 040 – v zelo dobrem delovnem stanju Naprodaj je varilna naprava za čelno varjenje IDEAL, model BAS 040, primerna za mizarske delavnice, žage, lesno obdelavo ali izdelavo tračnih žag po meri. Tehnični podatki: Varjenje lesenih tračnih žag: 6 mm – 40 mm Varjenje kovinskih tračnih žag: 13 mm – 27 mm Leto izdelave: 2008 Robustna in zanesljiva konstrukcija, značilna za blagovno znamko IDEAL Konsistentno popolni varni spoji Zelo dobro delujoče stanje Stroj je popolnoma delujoč, redno vzdrževan in pripravljen za takojšnjo uporabo. Dodatne investicije niso potrebne. Iaodjynttxopfx Aa Usr Za več informacij, fotografije ali predstavitev me prosim kontaktirajte.

Stanje: rabljeno, Chuck jaws in various designs / types Iasdpob I Sdxefx Aa Usr from 300 mm to 500 mm

Leto izdelave: 2022, stanje: kot nova (razstavni stroj), Welding turntable Protec KT 1200 kg Motorized, infinitely variable tilt and speed control Motor 0.75 kW with remote control Foot switch Table diameter 1200 mm Height 1000 mm Length 1400 mm Width 1500 mm Speed range from 0.05 to 0.5 rpm Iaodpfxecrmyfo Aa Uor

Stanje: rabljeno, 4-axis CNC drilling and milling machine IXION type 30 CNC W VMC, machining center Year of manufacture approx. 1997, machine overhauled in 2020 Travels: X: 600 mm, Y: 350 mm, Z: 600 mm Table size: 800 x 400 mm T-slot spacing: 75 mm Table load capacity: 300 kg Spindle taper: SK 40 (drawbar DIN 69872 A) Spindle speed: 20–5000 rpm Max. spindle torque: 150 Nm Max. spindle nose to table distance: 660 mm Feed rate X, Y, and Z: 0 – 5000 mm/min, stepless Rapid traverse X, Y, and Z: 15,000 mm/min Tool change time: approx. 5 sec Chip-to-chip tool change time: approx. 7.5 sec Milling capacity in St 60: 150 ccm/min Drilling capacity in St 60: 35 mm Thread cutting capacity in St 60: M24 Spindle motor power: 5 kW (10 kW at 25% duty cycle) Power supply: 400 Volt, 50 Hz - CNC control: Heidenhain TNC 415 with 12" TFT display - Electronic handwheel - RS 232 interface - 12-position tool changer - Hydro-mechanical tool clamping - Rotary axis as dividing attachment on the table = 4th axis, MECATECNICA type DCN 250-8, 3-jaw chuck Ø 200 mm Rotation speed approx. 25 rpm, transmission ratio 1:180 - Cabin lighting via 2x halogen spotlights Iajdpfx Aasu Tln Ns Uer - Chip conveyor with coolant pump - Control cabinet fixed to the machine Transport dimensions: Length 320 cm x Width 230 cm x Height 300 cm Machine footprint with chip conveyor (L x W x H): 3200 x 3100 x 3000 mm Machine weight: 3,100 kg Chip conveyor weight: approx. 200 kg Good condition

Leto izdelave: 1999, stanje: zelo dobro (rabljeno), delovna širina: 620 mm, številka stroja/vozila: SE 01510 A10, Heating Element Welding Machine HP60/40 by BRANSON Drive system: hydraulic, supported by positioning and control systems. The machine is equipped with its own vacuum pump. Usable heating element area: Width 600 mm x Depth 400 mm Max. part dimensions: - Max. part width: 620 mm - Max. part depth: 420 mm - Max. part height upper: 350 mm - Max. part height lower: 350 mm (height combinations possible, depending on contour) - Max. operating temperature for contact process: up to 400°C. The machine's modular frame design allows for easy modification. Side doors and the front door in the welding area can be easily opened (for simple retooling). The automatic safety lift door ensures a high level of operator safety. Temperature controllers integrated in the control panel feature actual/target value displays. The control unit is a Siemens PLC (S7-300 controller). The heating elements are equipped with temperature sensors for regulation and serve as a safety cut-off in case of overheating. Pin systems on the tool mounting surfaces allow for repeatable positioning. Advantages of Heating Element Welding Technology: - Reliable welding of workpieces with thin or varying wall thicknesses. - Low scrap rate thanks to precision and reproducible welds. - Sensitive parts can be welded due to precise time, temperature and force control. - Nearly all thermoplastics can be welded using this process. - Different types of plastics can also be joined together (compatibility must be checked). Technical Data: - Power supply: 3 x 400 V AC + N + PE - Power: 25 kVA - Rated current: 20 A - Required cable cross-section: 5 (cables) of 6 mm² each Isdpsykvdlsfx Aa Uear - Required pneumatic connection: 6 bar Machine Dimensions: - Width: approx. 1.22 m - Width with control panel: approx. 1.8 m - Depth: approx. 2.1 m - Depth with control panel: approx. 2.6 m - Height: approx. 2.4 m - Height with raised safety door: approx. 2.85 m (door open) Machine weight: approx. 2.2 t

Leto izdelave: 1999, stanje: zelo dobro (rabljeno), Manufacturer year approx. 1980 Output at 50% duty cycle: 35 kVA Throat depth: 250 - 450 mm Iaodpsium Nisfx Aa Ujr Working stroke: 40 mm Electrode force: 100 - 460 kp, stepless adjustable Electrode force at 6 bar: 460 daN Operating air pressure: 2 to 6 bar Electrode arm diameter: 60 mm Electrode holder diameter: 30 mm Insert electrodes cone MK 2 Ø 17.78 mm Arm gap: 200 / 400 mm Electrode holder adjustment: 200 mm Connected load: 83 KVA Power supply: 380 Volt, 50 Hz - 4-cycle control - stepless power adjustment - spot welding, single and series spots - parallel electrode guidance - water-cooled (without cooling unit) - electric foot switch Weight: 300 kg

Stanje: rabljeno, Leto izdelave: 1996, 1-head drilling machine Serial No. KSE124 Online video inspection via Skype We would be pleased to welcome your visit – more machines available in stock Available immediately – Machine can be inspected In stock at Emskirchen / Nuremberg – Can be tested on site Ijdpfx Aetzc Hmsa Uoar

Stanje: rabljeno, številka stroja/vozila: 13164, 1-spindle paper drilling machine - 1-head spindle paper drilling Nagel Citiborma 150, Serial-No. 7404 Online video inspection via Skype possible. We would be pleased to welcome you for a visit – more machines in stock. Iajdpfx Aash Aw Ugj Ujr Available immediately – machine can be inspected. Located in Emskirchen / Nuremberg – testing on site possible.

Stanje: rabljeno, številka stroja/vozila: 13270, 1-Kopf Papierbohrmaschine Nagel Citiborma Baujahr - Seriennummer S129 Online-Video-Inspektion per Skype-Video möglich Iedpfx Aaeh Aw Uks Uoar Wir freuen uns sehr auf Ihren Besuch – weitere Maschinen auf Lager Sofort verfügbar – kann besichtigt werden Lagerort: Emskirchen / Nürnberg – Vorführung/Test vor Ort möglich

Leto izdelave: 2023, stanje: pripravljen za uporabo (rabljen), Funkcionalnost: popolnoma funkcionalen, številka stroja/vozila: H34008-HW, Welding system for frame welding of sheet metal cans with comprehensive peripheral equipment! The original price of the machine was 800,000 CHF! The system consists of the following components: Can Man X7-300 WeldCenter (Serial No.: H34008-HW) Sheet metal transfer and storage system PowerFEED (Serial No.: H31723) & PowerSTORE (Serial No.: H31503) Induction oven PowerCURE (Serial No.: H33620-HS) Goudsmit Magnetics Palletizing Magnet TPLC12804 BASCO Leak Tester PRE 1024 GLX Chiller Hyfra SIGMA 28-S Further details on the system configuration can be found in the attached document. Can Man X7-300 WeldCenter TECHNICAL DETAILS (according to manufacturer) Ijdpfx Aeymxlqea Uear Production output: 100 - 600 units/min Line speed: 10 - 100 m/min Sheet thickness: 0.10 mm - 0.28 mm Can body dimensions: Minimum can body: Ø 52 x 50 (height) mm Maximum can body: Ø 153 x 320 (height) mm Goudsmit Magnetics Palletizing Magnet TPLC12804 TECHNICAL DETAILS Product diameter: 65 mm - 230 mm Product weight: max. 5 kg Pallet dimensions: 1,200 x 800 mm MACHINE DETAILS Magnet dimensions: 1,226 x 826 mm Pneumatics: Operating pressure: 6 - 8 bar Air consumption: 8 L/cycle Ambient temperature: -20°C to 40°C Robot interface: available Vacuum system: integrated EQUIPMENT Interface for robot arm Integrated vacuum system for handling sheets between can layers Hole pattern for robot arm Magnet plates (2x) Vacuum connection (1x) Pneumatic hoses (3x) Sensor connection box Chiller Hyfra SIGMA 28-S MACHINE DETAILS Dimensions & weight: Dimensions (L x W x H): 715 x 715 x 1,554 mm Weight: 210 kg EQUIPMENT Tank volume 120L Scroll compressor Frame construction in stainless steel Automatic water refill Bypass valve Water level indicator Pressure gauge in water supply Dry run protection pump Ball valve for tank drainage Fault indication with digital display High-efficiency condenser Metal filter cells

Stanje: dober (rabljeno), Drilling machine, pillar drilling machine, column drilling machine, multi-spindle head, multi-spindle drill head, drilling gearbox -with two-spindle drill head, manufacturer: Sigloch Schrieder, type: V602 -Drive power: 1.02/0.88 kW -Drill spacing adjustable: 18–110 mm -Max. drill diameter: 2x Ø 6 mm -Table size: 275 mm -Spindle taper: MK3 -Throat depth: 220 mm -Speeds: 100–2900 rpm Ijdoc Rpnnepfx Aa Usar -Column diameter: Ø 100 mm -Spindle stroke: 75 mm -Gearbox -Dimensions: 900/400/H1910 mm -Weight: 230 kg

Stanje: kot nova (razstavni stroj), 600 kg load capacity welding positioner, height-adjustable, with a table diameter of 1,000 mm. Height adjustable from a minimum of 0.65 m to a maximum of 1.53 m. Rotation speed from 0.01 to 1.1 rpm. Tilting angle up to 135°. Manual and foot remote control with speed display. Very robust design. Iasdod D D Hlspfx Aa Usr

Stanje: skoraj kot novo (rabljeno), Leto izdelave: 2018, 3000 kg welding positioner, hydraulically height-adjustable Speed: 0.05 to 0.6 rpm Table diameter: 1200 mm Tilt angle: 0 to 120° Isdpfx Aaedt Rhgo Ujar Height adjustment: 960 mm ~ 1910 mm