Used Optimization Cross Cut Line for sale (27,518)

Condition: used, Year of construction: 2007, No. 3177 Optimizing cross-cut system Grecon Dimter OptiCut 200-1 Used, year of construction 2007 For cross-cutting fixed lengths Wood dimensions to be processed: Input lengths min./max. 3000 - 5000 mm Input widths min./max. 80 - 200 mm Input thicknesses min./max. 38 - 80 mm Timber cross-sections max. 200 x 50 Final timber length min./max. 700 - 1000 mm Average number of cuts / board 5 Wood types: Softwood or hardwood Performance of the system: Feed speed max. 180 m/min, infinitely variable Time per cross-cutting process incl. brakes 0.7 - 1.2 s Position overview: Pos. 1: Infeed conveyor belt in front of saw Length 1.5 m coupled with feed motor of the saw Item 2: OptiCut 200-1 automatic cross-cut saw in left-hand design With built-in length measuring wheel and built-in blow-out device for waste Graphics-capable input terminal, 1 / 4 VGA display, with numeric keypad and function keys, with OptiCom software package for system control The machine is fed from the left Pos. 3: Outfeed conveyor belt / sorting station with drive unit, without ejector Belt length approx. 1.5 m Machine already dismantled and stored The infeed table was not used by the previous owner. 2 feed rollers were installed for the material feed. The conveyor table is there, only the rubber belt is missing. Sale on behalf of customer, ex location Austria, without transportation and assembly Errors in description and price excepted Transportation and loading by us optionally possible To avoid possible misunderstandings, an on-site inspection by appointment is possible and recommended Sold as is Fgjdeu Atmujpfx Adcjc Technical details, condition description, year of construction and scope of delivery according to manufacturer's brochure or previous owner, without guarantee Subject to prior sale For used machines, any warranty is excluded, the following applies: “purchased as seen” Images and videos serve as examples and do not represent the actual scope of delivery Terms of payment: Prices plus VAT, payment before collection or dispatch Terms of delivery: ex location

Condition: excellent (used), Year of construction: 2006, functionality: fully functional, Dimter / Weinig OptiCut 450 Quantum Optimizing Cross-Cut Saw Manufacturer: Dimter / Weinig Model: OptiCut 450 Quantum Year of manufacture: 2006 Machine description: For sale: Dimter / Weinig OptiCut 450 Quantum optimizing cross-cut saw, year 2006, designed for high-speed and precise cross-cutting of timber with yield optimization. The Quantum version is one of the top models in the OptiCut 450 series and was developed for industrial use with extremely high output, precise positioning and reliable material transport. The machine is suitable for fixed-length cutting, defect cutting and production optimization. The OptiCut 450 series was designed for integration with scanners, sorting systems and automatic handling equipment. Typical Quantum features include VarioSpeed infeed, HighGrip feed rollers, an independent length measuring system and a servo-controlled intelligent waste gate. Technical data: - capacity: up to approx. 540 cuts/min - feed speed: approx. 300 – 415 m/min - maximum workpiece length: approx. 6.3 m - saw blade diameter: 450 mm - maximum cutting width: 235 mm - maximum cutting height: 100 mm - working height: 900 mm - motor: 7.5 kW Fedeyu Uriopfx Adcjgc - air consumption: approx. 1200 NL/min - cutting accuracy in the OptiCut 450 series: approx.± 0.8 mm Features / advantages: - extremely high cutting performance - high positioning accuracy - VarioSpeed system reducing gaps between boards - HighGrip rollers for secure material transport - servo-controlled waste gate - suitable for integration with scanners and sorting lines - proven Weinig / Dimter technology for continuous industrial production Condition: very good Note: Technical details may vary depending on the exact machine configuration, control version, handling equipment and installed options.

Condition: good (used), Year of construction: 2004, functionality: fully functional, Dimter / Weinig OptiCut 350 Optimizing Cross-Cut Saw Manufacturer: Dimter / Weinig Model: OptiCut 350 Year of manufacture: 2004 Machine description: For sale: Dimter / Weinig OptiCut 350 optimizing cross-cut saw, year 2004, designed for fast and precise cross-cutting of timber with optimization function. The OptiCut 350 belonged to Dimter’s high-performance series and was used for fixed length cutting, defect cutting and timber yield optimization. The machine is suitable for joinery shops, sawmills, pallet production, furniture components and general industrial timber processing. Depending on configuration, the machine may include optimization software, automatic infeed, loading stations and barcode optimization. Technical data: - Machine type: optimizing cross-cut saw Fodpeyu Uq Eefx Adcjgc - Maximum cutting height: approx. 120 mm - Maximum working cross section: approx. 235 x 12 mm or 120 x 100 mm - Minimum timber width: approx. 30 mm - Maximum feed speed: up to approx. 350 m/min - Infinitely variable feed: yes - Frequency-controlled cutting speed: yes - Saw motor power: 7.5 kW - Positioning accuracy: approx. 2 mm - Optimization program: yes Features and advantages: - High cutting performance - Automatic material positioning - Possibility of yield optimization - Proven Dimter / Weinig technology - Suitable for continuous production - Good solution for industrial timber processing Condition: good Note: Technical details may vary depending on the exact machine configuration, optional equipment, table length and control version.

Condition: like new (used), Fully mechanized line for splitting and cutting (Masterflex+Paul) consisting in: - transverse conveyor for 2 packages - automatic destacking and singularization installation with slat recovery with conveyor included - transverse conveyor for circular feed piece by piece Fjdjkt I Uyspfx Adcogc - trolleys on the rail for circular feeding - circular Masterflex provided with 4 movable blades, axis to axis, free passage width of 1,000 mm, cutting height 100 mm - 2 motors of 50 KW, 4 releases electrically controlled by joystick, provided with a control panel - timber evacuation conveyor provided with a waste separator (edges and hems) - waste conveyor + automatic waste cutting pendulum - parts recovery conveyor with return to the operator for repair - transversal conveyor with singularization for feeding optimizer Paul - optimizer Paul model, passage width of 1,000 mm, cutting height of 100 mm, equipped with marking station for defects, with laser (without chalk) - sorting line by optimizer with 20 ejectors. Installation is in a very good working condition.

Condition: refurbished (used), PALLET LINE MULTIBLADE AND CROSSCUTTING MACHINE Fsdjqag T Ajpfx Adcegc A.COSTA VOLLMER ARTIGLIO PRIMULTINI STORTI We also have all kind of Sawmill machines

Condition: like new (used), Range (in depending on the lighting conditions) until: 15 m Range with laser receiver: 30 m, & more 5 m: leveling accuracy +/-1 mm Self leveling range: 4° +-0,5 ° Accuracy of the horizontal line at 5 m: +-1.5 mm Accuracy of vertical line at 3 m +-0.75 mm Fjdpsd Ecncsfx Adcogc Number of laser lines: 2 Weight: 485 g

Condition: used, Year of construction: 1982, Used cut-to-length line FIMI 1250×0.12-0.8mm x16t with two packing stations (A3793) is coil metal processing line to cut metal into sheets with required sizes. Such machine can be good solution for metal coil processing companies. Manufacturer : FIMI – Italy Year of manufacture : 1982 Revamping : 2008 (SEI SISTEMI) and 2019 (SEI SISTEMI) Ce marking : 2019 Material before processing : Max coil width 1250 x 0.12 Г· 0.80 mm. Uncoiler capacity : 16 Tons. Sheets dimensions : min. 300 x 500 mm. – Max 1250 x 2000 mm. Working speed 0-120 m/min. LIST OF MACHINES COMPOSING THE LINE ➢ STOCKING RAMP FOR 2 COILS ➢ COIL LIFT ON UNCOILER ➢ UNCOILER WITH SECTORS DIAM. 400 AND DIAM. 508 MM. ➢ PINCH-ROLL FOR STRIP FEEDING TO LEVELER ➢ 6HI-LEVELLER WITH INTERCHANGEABLE ROLL BENCHES – 1 BENCH FOR THICKNESS 0.12 ÷ 0.50 MM. – 1 BENCH FOR THICKNESS 0.50 ÷ 0.80 ➢ CONNECTION TABLE BETWEEN LEVELER AND PINCH-ROLL ➢ PINCH-ROLL ➢ DESCENT ROLLWAY IN LOOPING PIT Fsdpfxsttlfko Adcogc ➢ ASCENT ROLLWAY FROM LOOPING PIT ➢ PINCH-ROLL WITH MOTORIZED ROLLS ➢ STRIP CENTERING DEVICE WITH VERTICAL ROLLS ➢ THICKNESS MEASURER TYPE ELECTRONIC KEYBOARD ➢ ROTATING SHEAR ➢ SWIVELLING CONVEYOR TO AVOID SCRAPS AND PARTS OF DEFECTIVE STRIP ➢ COLLECTION BOX FOR TRIMMING AND DEFECTIVE PARTS OF THE STRIPS ➢ SWIVELLING CONVEYOR TO AVOID SCRAPS AND PARTS OF DEFECTIVE STRIP IN THE FIRST AND SECOND COLLECTION BOXES AND STACK COMPOSITION ➢ CONNECTION ROLLWAY AND SECTION FOR CONVEYING OF SHEETS IN THE THIRD BOX. ➢ 3 STACK UNLOADING SHUTTLES TO CONVEY STACKS TOWARDS THE ROLLWAY ➢ 1 EVACUATION ROLLWAY FOR THE PACKAGING ➢ HYDRAULIC EQUIPMENT FOR ALL THE LINE ➢ INTRODUCTION STRIP OPERATION PULPIT LOCATED AT LINE ENTRY FOR COILS CUTTING ➢ MAIN PULPIT FOR ALL LINE OPERATIONS ➢ OPERATION PULPIT LOCATED AT LINE EXIT ➢ ELECTRICAL CABINET CONTAINING ALL ELECTRICAL/ELECTRONIC COMPONENTS AND PLC ➢ PHOTOCELLS AND SAFETY/PROTECTION BARRIERS.

Condition: used, Cut-to-length line Pro-Eco with Cassette Type Precision Leveler 60 x .187 x 50,000Lbs (A3789) Maker: Pro-Eco Excellent conditions SPECIFICATIONS: MAX WIDTH 60" MAX THICKNESS 187" MANUFACTURER - PRO-ECO YEAR - 1985, REINSTALLED 2002 WIDTH RANGE - 8" to 60" GAUGE RANGE - .024" to .187" WEIGHT CAPACITY - 50,000# (25 TON) COIL OD - 36" to 72" COIL ID - 19" to 24" SHEET LENGTH - 24" to 168" SHEET WIDTH - 8" to 62" PACK HEIGHT - 30" (INCLUDING DUNNAGE) PACK WEIGHT - 20,000# LINE DIRECTION - RIGHT to LEFT LINE SPEED - 50 to 300 FPM (VARIABLE) LEVELER TYPE - MECHANICAL WEDGE STYLE w/ TWO CASSETTES LINE COMPONENTS: FOUR ARM ENTRY STORAGE TURNSTILE FLOOR LEVEL COIL LOADING CAR CANTILEVERED MANDREL UNCOILER w/ WATER COOLED BRAKE Fgsdpfxothg Die Adcjc PIVOTING AND TELESCOPING PEELER BLADE ENTRY PINCH ROLLS ROLLER TYPE SIDE GUIDES ENTRY CROP SHEAR SIDE TRIMMER HYDRAULIC SERVO DRIVE (CURRENTLY NOT OPERATIONAL) MECHANICAL STYLE LEVELER FRAME W/ 200 HP MOTOR CASSETTE #1 - 19 ROLL, 2.50" DIAMETER, 5 HI, 7 BACKUP FLIGHTS CASSETTE #2 - 19 ROLL, 1.75" DIAMETER, 5 HI, 7 BACKUP FLIGHTS STRIP INSPECTION AND CARRY-OVER TABLE w/ NON-MARKING ROLLS LOOPING PIT QUADRANT TABLES w/ NON-MARKING ROLLS ROLLER TYPE STRIP SQUARING TABLE PRECISION ROLL FEEDER W/ 55 HP MOTOR HIGH SPEED MECHANICAL CUT OFF SHEAR W/ 40 HP MOTOR BLANK INSPECTION CONVEYOR w/ NON-MARKING BELT REJECT BELT CONVEYOR w/ NON-MARKING BELT AND SCRAP CART 14 FOOT AIR FLOAT STACKER w/ SQUARING GUIDES AND END STOP 14 FOOT STACKER LIFT CONVEYOR w/ END DISCHARGE ROLLERS 14 FOOT STACKER RUNOUT CONVEYOR w/ END DISCHARGE ROLLERS OPERATOR CONTROL STATIONS UPDATED AC CONTROLS w/ ALLEN BRADLEY "CONTROL LOGIX" PLC (2006) UPDATED DRIVE CONTROLS w/ SIEMENS "SIMOREG" CONTROLLERS (2006) CLOSED LOOP HYDRAULIC SYSTEM CLOSED LOOP WATER COOLING SYSTEM

Condition: used, Cut-to-length line Bronx 2050x8mm x35t (A3781) for coil metal cross cutting into sheets of required sizes with different length and width. Thickness Range: 2 – 8 mm Coil Capacity: 35t Coil OD: 2100mm Coil ID: 508mm , 610mm , 762mm Strip Width: 2000mm – 600mm Sheet Length: 8000mm – 600mm Pack Weight: 10 t Max Line Speed: 60 meters/min Cuts Per Minute: 35 Complete Line With 4 Coil Storage Storage Ramp Coil Loading Car Double Stub Mandrel Uncoiler Sliding Base Hydraulic Expansion Drag Brake Tension Control Peeler / Hold Down Roll 3 Roll Coil Breaker Feed Up Table Fsdpfx Ajq Ulh Hsdcogc 7 Roll Backed Up Leveler with Pinch Roll Breaker (9 Rolls Total) Entry Power Pinch Rolls 3 Flights Top & Bottom Back-Up Rolls Entry & Exit Pinch Rolls Marking Unit Measuring Roll Pinch Rolls Bronx Flying Shear AC Die Accelerator Flywheel & Air Clutch and Brake Rack & Pinion Accelerator 35 Cuts per Minute Reject Conveyor Twin Belt Gauging Table Stacker Side Squaring Lift Stacking Tables Photo Cells Drop Type Motorized End Stop Motorized Run Out Conveyor Upgraded AC Motors Upgraded Control Techniques Digital Drives Complete Line

Condition: new, Year of construction: 2026, Crosscut and Mitre Circular Saws Type ZS 200NF Crosscut and mitre circular saw with a maximum cutting height of 200 mm Robust grey cast iron construction Precise ball bushing guidance of the tool carriage on hardened and ground steel shafts Manual saw feed Quick mitre adjustment up to 65° horizontally and 60° vertically Adjustable fixed stops Lower saw blade guard connectable to extraction system Machine mounted on mobile machine base with 1.5 m long roller conveyors on both sides (left and right) Left side equipped with scale and stop slider Technical Data Motor 400 V / 5.0 kW Speed 2800 rpm Cutting length 420 mm (at 90°) Cutting height 200 mm (at 90°) Mitre range horizontal 45°- 90°- 25° Fjdpfx Adew Hl Aqjcsgc Mitre range vertical 60°- 90°- 30° Saw blade Ø 520 mm (not included as standard) Extraction port 100 mm Weight 490 kg Location: In stock at 54634 Bitburg - Immediately available - On request, we are happy to offer the saw blade as well.

Condition: new, cutting width max. 250 mm Cutting height max. 80 mm Saw blade diameter 400 mm Motor output 3,0 kW turning speeds 2800 U/min Required air-pressure 6-8 bar work height max. 900 +-20 mm mm Dimensions (L/W/H) 530x869x1217 mm SALVAMAC Legend 400 – The semi-automatic chop saw ----- - Maximum cutting area: 220x80/ 250x50 mm. (When sawing stacked boards, note: rear stop height 100 mm) The structure is made entirely of sturdy, thick-walled steel, which is painted throughout and reinforced. A solid one Floor mounting system is equipped with flanged steel feet, to ensure secure attachment. The two-hand control is ergonomically positioned for comfort and efficient operation. Motor power of the saw motor 3.0 kW. The cutting speed is adjustable via a pneumatic controller, to enable precise adjustment. The system also has a Shock-absorbing system to minimize vibrations and ensure worker safety to improve. HM circular saw blade, diameter 400 mm, Z=96. The upper pressure hood has an electro-pneumatic control for precise operation. The pressure hood movement system is innovative Ball bearings operated with double dust protection and automatic lubrication system, which ensures smooth functionality. In addition, the electrical system is compliant with CE standards. CE models are standard with at least 1 meter long inlets and outlets (undriven rollers or flat table) to facilitate operation optimize and meet security standards. Technical data: ----- Saw cross section max. 220x80/ 250x50 mm Saw blade motor power: 3.0 kW Saw blade diameter: 400 mm Fgedpfx Adoxmk Ddjcjc Saw blade type: HM Z=96 Saw blade rotation speed: 2800 rpm Air consumption per cycle: 5 Nl Intake port: 1 x 120 mm / 1 x 100 mm Air pressure: 6 - 8 bar Voltage: V 400/50 Hz 3 phase Worktop height: 900 mm +- 20 mm Color: Ral 7035 ----- Total price ex works: on request! ----- Options like: - Inlet/outlet with undriven rollers/flat table - Mechanical or pneumatic stops - Electronic length stop / slider Salvastop (Combo series) - Movable front protection and more on request! ----- (technical data according to the manufacturer without guarantee!)

Condition: new, saw-blade dia. 500 mm Fsdpfxjwhf Ipe Adcsgc Cutting height 120 mm Motor output 5,5/7,5 kW working length 4100 mm

Condition: new, cutting width max. 310 mm Cutting height max. 125 mm Saw blade diameter 500 mm Motor output 5,5 kW Speed 2.800 U/min. Required air-pressure 6-8 bar Working height 900 +/- 20 mm Dimensions (L/W/H) 10645x1000x1300 mm SALVAMAC COMBO 500 – The semi-automatic miter saw with SALVASTOP 100 - electronic length stop/slider ----- - Pos. 1: Legend 500 under table miter saw ----- - Maximum cutting area: 220x125/ 260x100/285x80/310x50 mm. When cutting boards that are on top of each other, h max. 100 mm. The structure is made entirely of thick-walled and reinforced full-surface painted steel. Solid floor mounting system with flanged steel feet for the mounting hole. Bimanual safety cut control in ergonomic position. Motor power of the saw motor 5.5 kW. Adjustable cutting speed via a pneumatic controller. Maximum system for weight balancing and longevity. Shock absorbing system. Independent pneumatic adjustment options to adapt to different types of processing. Durable and easily replaceable saw blade adjustment bar. HM circular saw blade, diameter 500 mm, Z=108. Pneumatic upper workpiece clamping press with electro-pneumatic control. Presser movement system using new ball bearings with double dust protection and automatic lubrication system. CE compliant electrical system. The CE models must come standard with at least 1 meter long support plates at the inlet and outlet. Technical specifications: ----- Saw cross-section max. mm. 220x125, 260x100, 285x80, 310x50 Saw blade motor power: 5.5 kW Saw blade diameter: 500 mm Saw blade type: HM Z=108 Saw blade rotation speed: 2800 rpm Air consumption per cycle: 7 Nl Intake manifold: 1 - 120 mm / 1 - 100 mm Air pressure: 6 - 8 bar Voltage: V 400/50Hz 3-phase Worktop height: 900 mm +- 20 mm Colour: Ral 7035 - Ral 1007 Pos. 2: Salvastop 100 electronic length stop Fgedpfx Ajvu Hd Tsdcjc ----- - - Working method: 2 modes 1 x stop (length stop moves to the specified length) and 1 x slide (several lengths are processed one after the other at the push of a button) - with servo drive - Ram speed: up to 60 m/min - slider length 600 mm - with a 7'' touch display - maximum weight of logs that can be pushed - up to 100 kg - USB connection COMBO_500 - 6400/7000 - Roller conveyor with guide to the right of the saw. Painted steel frame with galvanized castors. Load capacity 230 kg, diameter 60 mm, spacing 250 mm, width 320 mm. 3 m. - 6400/7000 SalvaStop 100 to the left of the saw. Working length 6.4 m. Total length 7.0 m. With table top 7 m. Width 320 mm. Demonstration machine additionally equipped with: UP & DOWN FRONT PROTECTION Movable instead of rigid front protection. The guard rises during cutting to ensure safe working conditions. Loading and unloading wood is simplified with the downward-facing guard. The system has another special, secured pneumatic system with linear guidance, which impresses with top quality and cutting-edge technology. SOFTWARE LINK FILES Preparation for data import via a Salvamac file template in CSV format. ----- Total price demonstration machine from stock 73447 Oberkochen: on request! ----- More options like longer/shorter inlet/outlet, Stop systems on re...

Condition: used, Cross-cut saw BERG & SCHMIDT Junior 275 -used- Underframe, carriage ----- Technical data ----- Cutting height: 60 mm, Fsdeu R S I Hopfx Adcegc Voltage: 230 V

Condition: new, GRAULE ZS 85 N cross-cut and mitre saw - tiltable - Includes: - GRAULE ZS 85 N cross-cut and mitre saw - inclinable - Material feed shoulder made of laminated wood Fodpfx Adou R Sycecegc - without machine stand and saw blade - Including: - GRAULE machine stand for type ZS 85 N to ZS 170 Includes: - GRAULE type RO feed roller conveyor complete with support feet and connection bracket Plastic rollers with ball bearings Ø 40 mm, Roller width 300 mm, roller spacing approx. 300 mm, Support feet for roller conveyor height 885 +/- 10 mm Includes: - GRAULE type RLK roller conveyor/length stop with scale and material stop that can be folded back. Ball bearing mounted plastic rollers Ø 40 mm, Roller width 300 mm, roller spacing approx. 300 mm, Support feet for roller conveyor height 885 +/- 10 mm - new exhibition machine -

Condition: new, GRAULE ZS 170 N cross-cut and mitre saw - tiltable - Includes: - GRAULE ZS 170 N cross-cut and mitre saw - tiltable - - without machine stand and saw blade - Including: - GRAULE machine stand for type ZS 135 N and ZS 170 N Includes: - GRAULE type RO feed roller conveyor complete with support feet and connection bracket Plastic rollers with ball bearings Ø 40 mm, Roller width 300 mm, roller spacing approx. 300 mm, Support feet for roller conveyor height 885 +/- 10 mm Includes: - GRAULE type RLK roller conveyor/length stop with scale and material stop that can be folded back. Ball bearing mounted plastic rollers Ø 40 mm, Roller width 300 mm, roller spacing approx. 300 mm, Support feet for roller conveyor height 885 +/- 10 mm Fsdpfx Adou R Sypecsgc - new exhibition machine -

Condition: used, band length ca. 1.700 mm + 2.700 mm cutting width max. 2.500 mm Cutting height max. ca. 80 mm Fgjdpov Hgb Nefx Adcoc

Year of construction: 1983, condition: good (used), strip width 1.600 mm strip thickness 0,3 - 3 mm reference material (tensile strength) 420 N/mm² speed 68 m/min. at 6.000 mm plate length 23 m/min. at 400 mm plate length Fgedpsbidg Eofx Adcjc

Year of construction: 1991, condition: good (used), design: rotary shear strip width: 500 - 1.650 mm strip thickness 0,3 - 2 mm Fedpsgnyy Tsfx Adcogc

Condition: good (used), Year of construction: 2017, For sale / on request: - Kaak Driem line 1 - Kaak Proofer + Euroclima - Kaak Driem line 2 - AMF / Den Boer oven (direct high-temperature fired oven) - Stelram conveyors - Cooling tunnel + ICS chiller - 2x ABB pick and place robots Fgsdpfsy Rkrrox Adcjc - 2x Fuji packaging machines Total working width: 1200 mm Year of construction: 2017 Documentation and software available. Inspection on location possible. For any questions or remarks, feel free to contact us.

Condition: used, suitable for UNITEC 10 or similar, year of manufacture: 1998 CNC motorised control, Quantity: 2 Fsdslkckmspfx Adcjgc Price per unit: €2,000.00 + VAT

Year of construction: 1985, condition: excellent (used), strip width: max. 1.500 mm strip thickness: 0,3 - 2 mm Fsdpfxenfu Icj Adcegc coil weight: 6 t mandrel Ø: 508 mm No. of slits: max. 9

Condition: excellent (used), Year of construction: 1976, strip width: 400 - 2.100 mm strip thickness: 0,5 - 3 mm Fedpfx Adoqw Aacecegc coil weight: 40 t coil ID: 508/610 mm

Condition: excellent (used), Year of construction: 1980, strip width: 1.500 mm Fodsqw Akmspfx Adcogc strip thickness: 3 mm coil weight: 10 t

Condition: good (used), Year of construction: 1978, strip width: 200 - 1.500 mm strip thickness: 0,4 - 2 mm coil weight: 7,5 t Fjdpfx Aognc H Dodcsgc mandrel Ø: 508/610 mm