Used Demag Ergotech 200 - 840 for sale (17,770)

Condition: used, Year of construction: 1998, CLAMPING UNIT Clamping force: 2000 kN Locking force: 2200 kN Max. opening stroke: 575 mm Min. mould height: 310 mm Max. mould height: 660 mm (760 mm with WA) Max. distance between platens: 1235 mm (1335 mm with WA) Platen size (H x V): 830 x 830 mm Distance between tie bars (H x V): 560 x 560 mm Max. mould weight: 2500 kg Max. mould weight on moving platen: 1700 kg HYDRAULIC EJECTOR Ejector stroke: 180 mm Ejector force: 80 kN Ejector retraction force: 35 kN INJECTION UNIT (840) Screw diameter: 50 mm L/D ratio: 20 Injection pressure: 1946 bar Stroke volume: 442 cm³ Shot weight (PS): 400 g Max. dosing stroke: 225 mm Max. nozzle stroke: 400 mm Nozzle penetration depth: 40 mm (30 mm with SPI) Nozzle contact force: 80 kN Barrel heating power: 14.8 kW Electric screw drive (WA): 20.5 kW Hopper capacity: 70 l Fgsdpfx Aaez D U Rms Ieh

Condition: used, Year of construction: 2003, CLAMPING UNIT Clamping force: 2000 kN Locking force: 2200 kN Max. opening stroke: 575 mm Min. mould height: 310 mm Max. mould height: 660 mm (760 mm with WA) Max. distance between platens: 1235 mm (1335 mm with WA) Platen size (H x V): 830 x 830 mm Distance between tie bars (H x V): 560 x 560 mm Max. mould weight: 2500 kg Fedpfx Aez D U D Tsa Isgh Max. mould weight on moving platen: 1700 kg INJECTION UNIT (120) Screw diameter: 30 mm L/D ratio: 20 Injection pressure: 2420 bar Stroke volume: 124 cm³ Shot weight (PS): 110 g Max. dosing stroke: 175 mm Max. nozzle stroke: 350 mm Nozzle penetration depth: 40 mm (30 mm with SPI) Nozzle contact force: 80 kN Barrel heating power: 7.9 kW Electric screw drive (WA): 12.6 kW Hopper capacity: 70 l INJECTION UNIT (840) Screw diameter: 50 mm L/D ratio: 20 Injection pressure: 1946 bar Stroke volume: 442 cm³ Shot weight (PS): 400 g Max. dosing stroke: 225 mm Barrel heating power: 14.8 kW Electric screw drive (WA): 20.5 kW Hopper capacity: 70 l

Condition: used, Year of construction: 2001, CLAMPING UNIT Clamping force: 2000 kN Locking force: 2200 kN Max. opening stroke: 575 mm Min. mould height: 310 mm Max. mould height: 660 mm (760 mm with WA) Max. distance between platens: 1235 mm (1335 mm with WA) Platen size (H x V): 830 x 830 mm Distance between tie bars (H x V): 560 x 560 mm Max. mould weight: 2500 kg Max. mould weight on moving platen: 1700 kg HYDRAULIC EJECTOR Ejector stroke: 180 mm Ejector force: 80 kN Ejector retraction force: 35 kN INJECTION UNIT (840) Screw diameter: 60 mm L/D ratio: 20 Injection pressure: 1351 bar Stroke volume: 636 cm³ Shot weight (PS): 570 g Max. dosing stroke: 225 mm Fgjdjz D Uyuepfx Aa Ieh Barrel heating power: 23.1 kW Electric screw drive (WA): 20.5 kW Hopper capacity: 70 l

Condition: good (used), Year of construction: 2001, Demag Ergotech 250/560-840 Euromap size: 2500-840 CLAMPING UNIT Clamping force: 2500 kN Locking force: 2750 kN Max. opening stroke: 575 mm Min. mould height: 310 mm Max. mould height: 660 mm (760 mm with WA) Max. distance between platens: 1235 mm (1335 mm with WA) Platen size (H x V): 830 x 830 mm Distance between tie bars (H x V): 560 x 560 mm Max. mould weight: 2500 kg Max. mould weight on moving platen: 1700 kg HYDRAULIC EJECTOR Ejector stroke: 180 mm Ejector force: 69 kN Ejector retraction force: 31 kN INJECTION UNIT (840) Screw diameter: 45 mm Fodpfx Aaez D Ttgs Isgh L/D ratio: 20 Injection pressure: 2402 bar Stroke volume: 358 cm³ Shot weight (PS): 320 g Max. dosing stroke: 225 mm Max. nozzle stroke: 400 mm Nozzle penetration depth: 20 mm Nozzle contact force: 80 kN Barrel heating power: 13.0 kW Electric screw drive (WA): 20.5 kW Hopper capacity: 70 l GENERAL Oil tank capacity: 500 l Pump motor: 30 / 37 kW Total installed power: 43 kW (50 kW with electric screw drive) Dry cycle time (EUROMAP 6): System: 2.35 s – 392 mm / 2.25 s – 392 mm; Concept: 2.25 s – 392 mm / 2.25 s – 392 mm Net weight (without oil): 10700 kg Dimensions (L x W x H): 5.7 x 1.7 x 2.1 m (length without injection unit overhang) Noise level: 74 dB(A)

Condition: excellent (used), Year of construction: 2007, operating hours: 70,000 h, functionality: fully functional, machine/vehicle number: ERGOTECH 200 - 840, clamping force: 2,000 kN, screw diameter: 50 mm, clearance between the columns: 560 mm, displacement volume: 442 cm³, mold height (min.): 340 mm, plate width: 860 mm, plate height: 860 mm, pump power: 30,000 W, The machine is fully operational and was working with injection until the end. Fgjdpfx Aoyxn Tvja Ish

Condition: used, Year of construction: 2001, CLAMPING UNIT Clamping force: 2000 kN Locking force: 2200 kN Max. opening stroke: 575 mm Min. mould height: 310 mm Max. mould height: 660 mm (760 mm with WA) Max. distance between platens: 1235 mm (1335 mm with WA) Platen size (H x V): 830 x 830 mm Distance between tie bars (H x V): 560 x 560 mm Max. mould weight: 2500 kg Max. mould weight on moving platen: 1700 kg HYDRAULIC EJECTOR Ejector stroke: 180 mm Ejector force: 80 kN Ejector retraction force: 35 kN NJECTION UNIT (120) Screw diameter: 30 mm L/D ratio: 20 Injection pressure: 2420 bar Stroke volume: 124 cm³ Shot weight (PS): 110 g Max. dosing stroke: 175 mm Max. nozzle stroke: 350 mm Nozzle penetration depth: 40 mm (30 mm with SPI) Nozzle contact force: 80 kN Barrel heating power: 7.9 kW Electric screw drive (WA): 12.6 kW Hopper capacity: 70 l GENERAL Oil tank capacity: 500 l Pump motor: 22 / 30 kW Total installed power: 30 kW (38 kW with electric screw drive) Dry cycles (EUROMAP 6a): 1830 / 1900 per hour Dry cycles without nozzle retraction: 2200 / 2300 per hour Net weight (without oil): 6200 kg Dimensions (L x W x H): 5.1 x 1.6 x 2.1 m (length without injection unit overhang) Noise level (idle / full load): 66 / 77 dB(A) Demag Ergotech 150-840 NC4 INJECTION UNIT (840) Screw diameter: 60 mm L/D ratio: 20 Injection pressure: 1351 bar Stroke volume: 636 cm³ Shot weight (PS): 570 g Max. dosing stroke: 225 mm Max. nozzle stroke: 400 mm Nozzle penetration depth: 40 mm (30 mm with SPI) Nozzle contact force: 80 kN Barrel heating power: 23.1 kW Electric screw drive (WA): 20.5 kW Fjdjz D Uv Njpfx Aa Isgh Hopper capacity: 70 l GENERAL Oil tank capacity: 500 l Pump motor: 22 / 30 kW Total installed power: 45 kW (53 kW with electric screw drive) Dry cycles (EUROMAP 6a): 1700 / 1870 per hour Dry cycles without nozzle retraction: 2000 / 2200 per hour Net weight (without oil): 7700 kg Dimensions (L x W x H): 5.4 x 1.6 x 2.1 m (length without injection unit overhang) Noise level (idle / full load): 66 / 77 dB(A)

Condition: good (used), Year of construction: 2005, Clamping force: 200 t Screw diameter: 50 mm Screw dia 2 : 22 mm Distance between tie bars V: 580 mm Fodpfsyz Tmyox Aa Iegh Distance between tie bars H: 580 mm Type: Multicomponent (2K injection) Drive: Hydraulic 2x hydraulic valve

Condition: used, Year of construction: 2004, clamping force: 110 kN, displacement volume: 2,926 cm³, injection pressure: 1,600 bar, overall weight: 5,650 kg, screw conveyor diameter: 45 mm, terms of delivery: EXW (ex Works) delivery time: on request Fedpfx Aezh N Tyoa Iegh terms of payment: 100% prior to delivery

Condition: used, Year of construction: 2004, clamping force: 110 kN, displacement volume: 2,926 cm³, injection pressure: 1,600 bar, overall weight: 5,650 kg, screw conveyor diameter: 45 mm, terms of delivery: EXW (ex Works) delivery time: on request terms of payment: 100% prior to delivery Fedsymqz Rspfx Aa Isgh

Condition: excellent (used), Year of construction: 2006, clamping force: 500 kN, screw diameter: 22 mm, clearance between the columns: 355 mm, overall weight: 2,700 kg, Clamping force: 50 t Year of manufacture: 2006 Injection unit .../200 Screw diameter: 22 mm Specific injection pressure: 2800 bar Injection volume: 41.8 ccm Mould clamping system 50/... Clamping force: 50 t Mould plate dimensions: 520 x 520 mm Tie bar clearance: 355 x 355 mm Mould height: 210 mm Opening stroke: 400 mm Fedjzt Ih Tepfx Aa Isgh Maximum platen distance: 610 mm Weight: 2700 kg Dimensions (m) L x W x H: 3.8 x 1.1 x 2.1 m Control: NC4

Condition: used, Year of construction: 2003, CLAMPING UNIT Clamping force: 500 kN Locking force: 500 kN Distance between tie bars: 370 x 370 mm Max. opening stroke: 400 mm Min. mould height: 210 mm (160 / 135 mm with ZE 214) Max. distance between platens: 610 mm (660 / 710 mm with WA 211) Platen size (H x V): 540 x 530 mm Max. mould weight: 580 kg Max. mould weight on moving platen: 380 kg HYDRAULIC EJECTOR Ejector stroke: 125 mm Ejector force: 41.2 kN Ejector retraction force: 14.8 kN INJECTION UNIT (200) Screw diameter: 30 mm L/D ratio: 20 Injection pressure: 1900 bar Stroke volume: 106.0 cm³ Shot weight (PS): 94 g Max. dosing stroke: 150 mm Barrel heating power: 8.3 kW Hopper capacity: 20 l INJECTION UNIT – HORIZONTAL Max. nozzle stroke: 361 mm Nozzle penetration depth: 40 mm Nozzle contact force: 60 kN Fedpfjz D U Ixox Aa Ijgh INJECTION UNIT – VERTICAL (parting line injection) A min / A max: 100 / 300 mm B min / B max: 100 / 468.5 mm Max. nozzle stroke: 368.5 mm Nozzle contact force: 15 kN GENERAL Oil tank capacity: 180 l Pump motor: 18.5 kW Total installed power: 26.8 kW Dry cycle time (EUROMAP 6a): 1.80 s – 224 mm / 1.80 s – 259 mm Net weight (without oil): 3400 kg Dimensions horizontal (L x W x H): 3.9 x 1.2 x 2.0 m Dimensions vertical (L x W x H): 3.9 x 1.2 x 3.4 m Noise level (idle / full load): 56 / 71 dB(A)

Year of construction: 2009, condition: ready for operation (used), Clamping force: 2000kN, locking force: 2200kN, max. opening stroke: 570mm, min. mould installation height: 310mm, max. mould installation height: 660mm, max. distance between mould platens: 1230mm, mould platen dimensions: 830x830mm, distance between tie bars: 560x560mm, max. mould weight: 3.3t, max. weight on moving mould platen: 1.7t, max. weight on fixed mould platen: 2.5t, ejector stroke: 180mm, ejector force: 69kN, ejector return force: 31kN, screw diameter: 45mm, L/D ratio: 20, injection pressure at 400°C: 2402bar, shot volume: 358cm³, shot weight (PS): 330g, max. metering stroke: 225mm, max. nozzle stroke: 400mm, nozzle immersion depth (SVO): 20mm, nozzle contact force: 80kN, installed barrel heating capacity: 13kW, material hopper capacity: 70l, oil tank capacity: 500l, screw drive: 32kW, clamping unit drive: 32kW, pump unit power: 15kW, total installed power: 92kW, continuous sound pressure level: 74dB(A), length: 5700mm, width: 1700mm, height: 2200mm, weight: 11t, operating hours according to PLC: 36,734h, barrel heating: 25,665h, pump: 18,222h, documentation available. An on-site inspection is possible. A Wittmann robotic cell is also optionally available. Fgedpfsy Tx Rbox Aa Ish

Condition: good (used), Year of construction: 2004, Demag ergotech extra 500-200 (2004) Fjdpfx Aeyyzuvea Isgh

Condition: used, Year of construction: 2001, operating hours: 58,764 h, functionality: fully functional, machine/vehicle number: 502748, clamping force: 1,000 kN, screw diameter: 30 mm, clearance between the columns: 420 mm, displacement volume: 144 cm³, injection pressure: 1.905 bar, ejector force: 41 N, ejector stroke: 150 mm, opening stroke: 500 mm, plate length: 590 mm, plate width: 590 mm, installation height: 250 mm, total length: 4,550 mm, total width: 1,450 mm, total height: 2,000 mm, overall weight: 4,800 kg, heating capacity: 9 kW (12.24 HP), pump power: 30,000 W, height adjustment type: hydraulic, stroke length: 150 mm, tool height: 250 mm, tool weight: 700,000 g, Equipment: documentation/manual, Demag ERGOtech Injection Moulding Machine ERGOtech 100-420-200 NC4 Year of manufacture: 2001 Asking price: €8,000.00 – WITHOUT Wittmann peripheral equipment Fodpfx Astltvzja Iegh The injection moulding machine is in good condition and ready for operation. For sale is the ERGOtech 100-420-200 NC4 injection moulding machine. Optionally, all corresponding Wittmann peripheral devices can be included at an additional charge. We purchased the Demag ERGOtech in 2020 during our company expansion to fulfill a customer order and equipped it with matching Wittmann peripheral devices. The machine has been serviced on-site by a DEMAG service technician and is free from defects. OPTIONAL: We also offer for sale all associated Wittmann peripheral equipment: Peripheral Equipment from WITTMANN BATTENFELD Deutschland GmbH: Wittmann Tempro Plus D160 – Dual-circuit temperature control unit TEMPRO-PLUS-D-Standard-2-160 DEMONSTRATION UNIT – used, no defects Equipped with: 2 pcs. Reinforced pump TemproPlus D160-1.0kW (2.4A) 60l 1 pc. Ultrasonic flow measurement 140-180° 1 pc. Digital interface 20mA 1 pc. Packaging for temperature control unit Original price: €6,980.00 Sale price: €3,490.00 Wittmann Compact Chiller Coolmax C30 WITTMANN WATER CHILLER SERIES: COOLMAX C30 DEMONSTRATION UNIT – used, no defects Original price: €4,750.00 Sale price: €2,375.00 WITTMANN BATTENFELD Deutschland GmbH Drying and dosing accessories - 1 pc. DRYMAX-PRIMUS: E30-70-M for drying plastic granules - 2 pcs. FEEDMAX-S:3NET for conveying free-flowing plastic granules, hinged lid with integrated collector motor - 1 pc. HOPPER: MT203 machine hopper 203 for mounting a series 200 separator - 1 pc. DOSIMAX: MC 18 dosing unit for free-flowing granulate Condition – NEW – Unused Original price: €8,467.00 Sale price: €4,233.50 All prices are exclusive of the statutory 19% VAT. PLEASE NOTE: The offer does not include relocation or transportation costs for the machine. These services can be offered and organised separately upon request. For further questions, please feel free to contact me at any time.

Condition: ready for operation (used), Year of construction: 2008, functionality: fully functional, machine/vehicle number: 80400008, clamping force: 2,800 kN, screw diameter: 45 mm, injection weight: 320 g, ejector stroke: 200 mm, opening stroke: 675 mm, Loading the machine is possible for an additional charge of €500! TECHNICAL DETAILS Clamping force: 2,800 kN Number of components: 1 Width of clamping plate: 950 mm Height of clamping plate: 950 mm Free distance between bars, horizontal: 630 mm Free distance between bars, vertical: 630 mm Diameter of centering ring: 160 mm Minimum installation height: 330 mm Maximum installation height: 710 mm Maximum opening stroke: 675 mm Maximum ejector stroke: 200 mm Maximum tool weight: 3,700 kg Fgsdozdiyxjpfx Aa Ijh Maximum tool weight, moving side: 2,500 kg MACHINE DETAILS Thread: M20 Screw diameter: EE1: 45 mm Maximum shot weight PS: EE1: 320 g Unit arrangement: EE1: horizontal EQUIPMENT Core pull, 2-fold Cascade, 6-fold Robot Note: The operating hours can be found in the last image.

Condition: used, Year of construction: 2000, CLAMPING UNIT Clamping force: 2000 kN Locking force: 2200 kN Max. opening stroke: 575 mm Min. mould height: 310 mm Max. mould height: 660 mm (760 mm with WA) Max. distance between platens: 1235 mm (1335 mm with WA) Platen size (H x V): 830 x 830 mm Distance between tie bars (H x V): 560 x 560 mm Max. mould weight: 2500 kg Fgedpfxoz D U Hbj Aa Ijh Max. mould weight on moving platen: 1700 kg INJECTION UNIT (610) Screw diameter: 50 mm L/D ratio: 20 Injection pressure: 1598 bar Stroke volume: 399 cm³ Shot weight (PS): 360 g Max. dosing stroke: 203 mm Max. nozzle stroke: 400 mm Nozzle penetration depth: 40 mm (30 mm with SPI) Nozzle contact force: 80 kN Barrel heating power: 14.8 kW INJECTION UNIT (120) Screw diameter: 30 mm L/D ratio: 20 Injection pressure: 2420 bar Stroke volume: 124 cm³ Shot weight (PS): 110 g Max. dosing stroke: 175 mm Max. nozzle stroke: 350 mm Nozzle penetration depth: 40 mm (30 mm with SPI) Nozzle contact force: 80 kN Barrel heating power: 7.9 kW Electric screw drive (WA): 12.6 kW Hopper capacity: 70 l

Condition: good (used), Year of construction: 2004, Demag ergotech sys 50-200 (1992) Fgedpfx Aaeyyztfe Ieh

Condition: used, Year of construction: 2018, Machine no. 55, serial no. 80430240, NC 5 control system, maximum clamping force 2,800 kN, conveying device, manufacturer Colortronic, tool control unit, manufacturer Altanium, handling system, manufacturer Sumitomo Demag, type Industrial Robot, serial no. SDR22S, year of manufacture 2018, maximum load capacity 36 kg, safety fence, conveyor belt, length/width approx. 2,200 x 500 mm. Fjdsz H N Ncjpfx Aa Isgh

Condition: used, Year of construction: 2008, operating hours: 35,000 h, clamping force: 100 kN, displacement volume: 51 cm³, injection pressure: 2,800 bar, overall weight: 5,000 kg, screw conveyor diameter: 25 mm, Freight base: FCA Pegnitz Delivery time: by arrangement Payment terms: 100% before takeover of the machine, net Fsdpfjwlkb Nex Aa Ijgh

Condition: used, Year of construction: 2001, Clamping force: 350 t Platten dimensions: 1040 x 950 mm Distance between tie bars: 710 x 630 mm Screw diameter: 50 mm Shot weight: 400 g Shot volume: 442 cm3 -2 core pullers -2 air valves, controllable hot runners: 1-16 chanel -1 kaskade Type: Horizontal Drive: Hydraulic Fodova Ht Sjpfx Aa Iogh

Condition: good (used), Year of construction: 2001, functionality: fully functional, clamping force: 800 kN, screw diameter: 30 mm, For sale is an injection molding machine of the brand Demag, type 80/420-200 System The machine is in good and functional condition ATTENTION: No backup disks available Technical data: Year of manufacture: 2001 Clamping force: 800 kN Tie bar distance V: 420 mm Tie bar distance H: 420 mm Plate size H: 590 mm Plate size V: 600 mm Minimum installation height: 250 mm Maximum plate distance: 700 mm Opening stroke: 450 mm Ejector stroke: 150 mm Ejector force: 41 kN Tool weight: 700 kg Screw diameter: 30 mm Fjdpfxsnfu I Ij Aa Isgh Dimensions: approx. 4.5*1.50*2 m Weight: 4t Transport and loading can be organized Europe-wide at extra cost on request. Prices plus VAT Inspection possible by appointment. Contact us, our team looks forward to assisting you. Trade-in or exchange possible! Machinery Purchase / Sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES AND MORE. Do you need a high-quality but affordable metalworking machine for your production? Or do you want to sell yours? For more information or contact options, visit our website.

Condition: excellent (used), Year of construction: 2015, year of last overhaul: 2025, Demag Systec 210-840 (2015) SERVO Manufacturer: Sumitomo SHI DEMAG Type of machine: Systec 210/580-840 Clamping force [kN]: 2100 Shot volume [cm³]: 358 Clearance between tie bars hor. [mm]: 580 Clearance between tie bars vert. [mm]: 580 Mold height min. [mm]: 340 Mold height max. [mm]: 690 Fedpjzbg Ezjfx Aa Ijgh Opening stroke max. [mm]: 575 Daylight max. [mm]: 1365 Year of manufacture: 2015 Machine dimensions L/W/H [mm]: 6022 / 1556 / 2090 Control unit and software version: NC3 Max. weight of entire molding tool [kg]: 3300 Screw diameter [mm]: 45 Screw design: 3 zone Screw relation (length/diameter): 20:1 Screw back flow valve: Yes Ejector system type: Hydraulic Installed heating power [kW]: 39 No. of integrated hot runner circuits: 12 Number of temperature control electrical valves: 28 Number of cascade controls: 2 Connection to central drying system: Yes Unloading robot system available: Yes Number of tempering units: 3 Tempering units max. temperature [°C]: 160 Machine oil capacity [l]: 400 Net power of hydraulic pump engine [kW]: 26

Condition: used, Year of construction: 2006, Demag Modular 250/560-1450 Euromap size: 2500-1450 CLAMPING UNIT Clamping force: 2500 kN Locking force: 2750 kN Max. opening stroke: 575 mm Min. mould height: 310 mm Max. mould height: 660 mm (760 mm with WA) Max. distance between platens: 1235 mm (1335 mm with WA) Platen size (H x V): 830 x 830 mm Fodoz D Tnqspfx Aa Isgh Distance between tie bars (H x V): 560 x 560 mm Max. mould weight: 2500 kg Max. mould weight on moving platen: 1700 kg HYDRAULIC EJECTOR Ejector stroke: 180 mm Ejector force: 69 kN Ejector retraction force: 31 kN INJECTION UNIT (1450) Screw diameter: 70 mm L/D ratio: 20 Injection pressure: 1400 bar Stroke volume: 1039 cm³ Shot weight (PS): 940 g Max. dosing stroke: 270 mm Max. nozzle stroke: 400 mm Nozzle penetration depth: 20 mm Nozzle contact force: 110 kN Barrel heating power: 27.0 kW Electric screw drive (WA): 30 kW Hopper capacity: 110 l GENERAL Oil tank capacity: 500 l Pump motor: 30 / 37 kW Total installed power: 57 kW (64 kW with electric screw drive) Dry cycle time (EUROMAP 6): 2.35 s – 392 mm / 2.25 s – 392 mm Net weight (without oil): 11200 kg Dimensions (L x W x H): 5.7 x 1.7 x 2.2 m (length without injection unit overhang) Noise level: 74 dB(A)

Condition: used, Year of construction: 2007, operating hours: 67,000 h, clamping force: 250 kN, displacement volume: 530 cm³, injection pressure: 2,426 bar, overall weight: 14,200 kg, screw conveyor diameter: 50 mm, Payment terms: 100% net before taking delivery of the machine Delivery time: by arrangement Fsdpfxswz R Iuo Aa Isgh Freight basis: ex-works

Condition: used, Year of construction: 2007, operating hours: 67,000 h, clamping force: 250 kN, displacement volume: 530 cm³, injection pressure: 2,426 bar, overall weight: 14,200 kg, screw conveyor diameter: 50 mm, Freight base: FCA Pegnitz Fgodpfx Aaowlkcas Ioh Delivery time: by arrangement Payment terms: 100% before takeover of the machine, net