Used Pvc Line for sale (16,320)

Condition: reconditioned (used), Year of construction: 1997, operating hours: 216 h, functionality: fully functional, Equipment: documentation/manual, A reconditioned and functional profile line for rigid PVC-profiles, consisting of: Twin-screw extruder, parallel Manufacturer: Hans Weber Maschinenfabrik GmbH Type: DS 85 Iedox Rx D Ajpfx Addsht Year of manufacture: 1979/2022 Machine no.: 85-399 Screw geometry: for PVC-hard powder Screw diameter: 2 x 85 mm Screw length: 17 x D Screw speed: max. approx.30 rpm Screw torque: 10000 Nm Motor power: 3.8 - 23.0 kW Drive motor: commutator motor Elektra Faurndau Cylinder heating/cooling zones: 4/2 (air cooling with fan) Tool heating zones: 8 Temperature control: 12 x digital temperature controllers PMA KS40 Accessories: Mass pressure sensor and mass temperature sensor Connected load: approx. 60 kW (without tool) Extrusion height: 1100 mm Output capacity: approx. 150 - 180 kg/h for PVC-hard profiles Accessories: Material hopper and connection flange Accessories: Vacuum pump (1.1 kW) incl. material separator Dimensions: 4500 x 1200 x 2100 mm (LxWxH), incl. material hopper Total weight: approx. 4000 kg Note: The electrical control cabinet was completely renewed approx. 3 years ago. Since then, the extruder has only been in operation for 216 hours. Condition: recondition and checked for function Vacuum Calibration Unit Manufacturer: Blake Kunststoffproduktionsanlagen Type: 203-3-4,0 Year of manufacture: 1997 Serial number: 758 Total length: 5600 mm Vacuum pumps: 3 x 5.5 kW Longitudinal adjustment: electromotive Height/lateral adjustment: front and rear via threaded spindle and handwheel V2A tub: interior/exterior width: 450/700mm, length: 4500 mm Connected load: approx. 20 kW Total weight: approx. 3.000 kg Condition: recondition and checked for function Caterpillar Haul-Off Manufacturer: Blake Kunststoffproduktionsanlagen Type: 303-1600-270 Year of manufacture: 1997 Pulling force: approx. 40,000 N Pads width: 300 mm Passage width: max. 500 mm Passage hight: 100 mm Effective contact length: 2400 mm Haul-off speed: max. approx. 8.0 m/min. Extrusion height: 1000 – 1200 mm Caterpillar clamping: pneumatic, at the front and back Dimensions: 4000 x 1200 x 2300 mm (LxWxH) Weight: approx. 3000 kg Condition: recondition and checked for function Profile cross-section, max.: approx. 500 x 100 mm Note: The vacuum calibration unit, including caterpillar pull-off, can also be purchased separately.

Condition: good (used), WEBER tube extrusion line including: WEBER DS 8.5 Elmepla saw Iedpfx Adsvryhysdeht Battenfeld R200/6 Battenfeld V125

Condition: refurbished (used), Year of construction: 1991, functionality: fully functional, Complete extrusion line for PVC profiles, fully overhauled and tested EXTRUDER: • IDE 75/25 type ME7/3 • single screw, PVC profile geometry and barrel in good condition • screen control (retrofitted by the manufacturer) • year of manufacture: 1993 • 35kW motor, 4 to 40 rpm COEXTRUDER: • IDE MEB 30/25D • Single screw Ø30mm 25LD • PVC profile geometry screw and sleeve in good condition • Year of manufacture: 1992 • 3.8kW motor, 6 to 64 rpm CALIBRATION : • IDE • Length: 2 metres • 2 vacuum pumps, 16 valves • 14 water valves • Manual horizontal and longitudinal adjustments HAUL OFF: • IDE ME30/5 • Year of manufacture: 1993 • Contact length: 1100 mm • Width: 100 mm CIRCULAR SAW • IDE ME52 • Blade: 300 mm • Pneumatic carriage travel 180 mm • Year of manufacture: 1991 TILTING TABLE • IDE • Length: 4000 mm • Pneumatic movement Ihsdpoxukg Iefx Addjt Everything is in very good overall condition, the machines are very clean and ready for use.

Year of construction: 2017, condition: as good as new (ex-display), Complete PVC Window Line 30 Windows Consisting of: Isdpfjux Adsx Addsht Mitre Saw GS-400/M with length stops End Miller AKF-210 Sight surface groover 7405 Handle Drilling and Routing Machine KF-130S with self centring Waterslot Drainage Router SK-8/3 Single Head Welder WSA-1E, 2.0mm restrictions Glazing Bead Cutting Saw GLSM-200E

Condition: new, functionality: fully functional, Year of construction: 2022, Complete extrusion line for the production of PVC shrink film, specifically designed for sleeve-label applications. Built in 2022 by RL Plastproject (Italy), the machine is brand new, never installed, and immediately available. Technical Specifications: Isdpfxjw Ahfgj Addoht Product: PVC shrink film for sleeves Material: Rigid PVC dry blend Extruder: Single-screw with venting and gravimetric dosing Output: approx. 180–200 kg/h Film thickness: 40–80 micron Usable film width: up to 620 mm Die width: 900 mm Line speed: up to 60 m/min (depending on film) Cooling: Calender with chill roll Orientation: Transverse shrink forming unit Corona treater: Integrated Winding: Dual-position slitter-rewinder Control system: Siemens PLC with touchscreen HMI Installed power: ~220 kW (to be confirmed) Air requirement: 6 bar Footprint: approx. 25 x 6 meters

Year of construction: 2016, condition: as good as new (ex-display), Manual PVC powder coating line for 3D fence panels ( NEVER USED ) Type of coating – electrostatic PVC coating line is semi-automatic. Need 2-3 workers. Capacity of furnace – 10 pieces of 3D fence panels...baking time approx. 15 minutes ( with color of manufacturer IGP ). Of course baking time depends of color quality and chemical composition of color. The line is made on a modular system, which means that it can be installed in several ways, according to the possibilities of free space in the factory. Dimensions of line components - 1. Polymerization furnace – 2.500 x 3.500 ; Height – 3.200 mm 2. Painting booth ( 2 pieces ) - 3.000 x 2.000 ; Height – 3.200 mm Ihedoiryd Uepfx Addst 3. Washing chamber - 2.200 x 3.500 ; Height – 3.200 mm 4. Bath - 2.500 x 2.500 - Height – 900 mm plus two new Gamma pistols.

Condition: ready for operation (used), Year of construction: 1995, operating hours: 39,000 h, functionality: fully functional, Equipment: documentation/manual, A used and functional profile line for rigid PVC-profiles, consisting of: Twin-screw extruder (parallel) Manufacturer: WEBER Type: DS 7.22 Year of manufacture: 1995 Machine no.: DS70-043 Operating hours: 39,000 hours Screw diameter: 70 mm Effective screw length: 22 x D Screw geometry: for rigid PVC profiles Torque: 4,500 Nm per screw Screw speed: max. 40 rpm, continuously adjustable Drive motor: DC low-voltage motor, thyristor-controlled Drive power: approx. 25 kW Cylinder heating/cooling zones: 5/3 (air cooling with fan) Adapter heating zone: 1 Tool heating zones: 5 Control: conventional control with digital temperature controllers Degassing: Busch rotary vane vacuum pump (1.5 kW) Output capacity, max.: 120-150 kg/h for hard PVC, depending on material Connected load: approx. 50 kW (without tool) Special accessories: Mass temperature sensor and mass pressure sensor Adapter between extruder connection and extrusion tool Used tool set for a window profile (widening), consisting of: - Extrusion tool ‘widening’, incl. heating bands - Dry calibration - Vacuum tank approx. 2 m long, with 8 slots for calibration discs - 16 calibration discs Vacuum calibration unit Manufacturer: Uniplast / Greiner Type: CAL VAK 4P Year of manufacture: 1992 Machine number: K9209590 Total length: 6500 mm Vacuum pumps: 4 x Speck vacuum pumps (4.3 kW each) Water circulation pumps: 2 x Calpeda (1.1 kW each) Caterpillar haul-off, incl. attached saw Manufacturer: Uniplast / Greiner Type: CAT PUL 2D Year of manufacture: 1992 Machine number: R 9204546 Haul-off: Effective contact length: 2000 mm Pad width: 250 mm Haul-off force, max.: approx. 25000 N Isdpfsxu U Trjx Addsht Speed range: approx. max. 10 m/min. Profile saw: HM circular saw blade: Ø 450 mm Profile cross-section, max.: approx. 300 x 100 mm Tilting table Manufacturer: Ide Type: ME N 52/2 Year of manufacture: 1994 Length: 6000 mm Support width: 270 mm Note: The complet profile line was overhauled in 2020 and has only been in operation for 325 hours since then.

Year of construction: 2019, condition: as good as new (ex-display), Complete PVC Window Line 60 Windows Consisting of: Double Mitre Saw DS-110/3.5M End Miller AKF-210 Iodpfx Adeux Aqjdoht Handle Drilling and Routing Machine KF-130S with self centring Waterslot Drainage Router SK-8/3 Two Head Welder WSA-2 LV, 0.2-2.0mm restrictions Glazing Bead Cutting Saw GLSP-200E with stop system

Year of construction: 2016, condition: as good as new (ex-display), Manual PVC powder coating line for 3D fence panels ( NEVER USED ) Type of coating – electrostatic PVC coating line is semi-automatic. Need 2-3 workers. Capacity of furnace – 10 pieces of 3D fence panels...baking time approx. 15 minutes ( with color of manufacturer IGP ). Of course baking time depends of color quality and chemical composition of color. The line is made on a modular system, which means that it can be installed in several ways, according to the possibilities of free space in the factory. Dimensions of line components - 1. Polymerization furnace – 2.500 x 3.500 ; Height – 3.200 mm Ihedpeil Agnefx Addst 2. Painting booth ( 2 pieces ) - 3.000 x 2.000 ; Height – 3.200 mm 3. Washing chamber - 2.200 x 3.500 ; Height – 3.200 mm 4. Bath - 2.500 x 2.500 - Height – 900 mm plus two new Gamma pistols.

Condition: excellent (used), Year of construction: 2010, functionality: fully functional, We have a production line for UPVC profiles, they were purchased in 2010, they have only operated for 2 years, and now they are for sale because the company that had them has now closed. They were serviced before being stored. The machines are in Patras, Greece. Any operational check is welcome. (1) Aluminium and UPVC end milling machine OMC Maxima, (new never connect) (2) CNC automatic line UPVC CNC corner cleaning machine with 4 head horizontal welder - RISUS, RKT-8000 (3) UPVC bead saw - RISUS, RK-1080 (4) UPVC 4 Head vertical welder - HAYA, (5) UPVC 4 Head corner cleaning machine semi-automatic - WEGOMA, WPA4 (6) Single Head multiple corners welder machine -RISUS, RYL-1050 Iedpfx Aewyvh Rsddeht (7) UPVC profile Hot air bender /CBM, (8) 4 Machine benches, (9) ACCESSORIES SMALL TOOLS AND DIES (milling cutters for the machines, chisel etc.). There are spare parts available , as well as technical assistance, if needed. The selling price for all these machines together is at least 50,000 Euros plus VAT, if necessary. They do not sell independently. Collection from Patras, Greece (we have a fork lift truck to help if need)

Condition: used, Year of construction: 2001, functionality: limited functionality, feed length X-axis: 30,000 mm, feed length Y-axis: 2,400 mm, feed length Z-axis: 500 mm, FOR SALE 3 3 Forest gantry milling machines as discussed. Below are the specifications for these machines: - Models: Type V2 2500 EAS and Type V3 2300 AS - Capacity: 30,000 mm (X) x 2,400 mm (Y) x 500 mm (Z) - Equipment: Equipped with 2 heads REFURBISHED IN 2001 CNC NUM 1060 General Specifications Below are the common specifications of the machines discussed: Models concerned: Forest Type V2 2500 EAS and Type V3 2300 AS. Working dimensions (Capacity): X axis (longitudinal): 30,000 mm (30 metres). Y axis (cross): 2,400 mm (2.4 metres). Z axis (vertical): 500 mm (0.5 metres). Head configuration: The machines are equipped with two machining heads. Ihjdpfx Adox R Ta Eodst

Condition: refurbished (used), Year of construction: 1999, travel distance X-axis: 11,450 mm, travel distance Y-axis: 3,500 mm, travel distance Z-axis: 1,250 mm, Technical description Value Unit Travel distance X-axis: 11,450 mm Y-axis: 3,500 mm Z-axis: 1,250 mm Cross-section of the Z-axis slider: 360 x 360 mm Portal aperture: 3,000 mm Iedpfxjtix S Ns Addeht Height under vertical spindle: 1,400 mm Working clamping width: 2,500 mm Milling unit: Type FA 305 C Power: 30 kW Max. torque: 1,070 Nm Max. speed: 4,000 rpm Cross section of the pusher: 360 x 360 mm Vertical head with spindle Power: 30 kW Max. speed: 4,000 rpm Max. torque: 1,070 Nm Rapid traverse in X, Z: 25,000 mm/min Rapid traverse in Y: 20,000 mm/min Work feed infinitely variable in X, Y and Z: 10,000 mm/min Compressive force of each axis: 25,000 N Tool holder: SK 50 Horizontal angle head with 144 x 2.5° pitch, with SK50 spindle Available power: 30 kW Max. speed: 4,000 rpm Max. torque: 1,070 Nm Positioning increment: 2.5 degrees Longitudinal pallet system 1 pallet shuttle with 2 storage stations 1 manual pallet transfer system between machine and shuttle 2 workpiece holder pallets: 5,000 x 2,500 mm Tool changer Chain magazine: 80 positions Distance between the positions on the chain: 130 mm Diameter of consecutive tools: 125 mm Tool diameter max.: 200 mm Maximum tool length: 400 mm Tool weight max.: 25 kg Tool change time, tool to tool: 8 sec Tool change time, chip to chip: 38 sec Equipment: Cooling devices: - Cooling via orientable nozzles - IKZ / cooling through the center of the spindle, 3,000 l tank, capacity: 30 l/min, pressure: 7 bar at the mold 2 chip conveyors: 1 Portal cladding Measuring probe, make: RENISHAW, type: MP14 Electronic handwheel Remote diagnosis Tool management and wear management Documentation in 2 copies: German / French CE marking Very well maintained, continuously serviced condition!

Condition: used, Safe Line metal detector Equipped with stainless steel reject flap Fully stainless steel and easy to clean by means of hatches Metal detection diameter: 200 mm Ihedjx Nzzzepfx Addjt Total installation height: 1200 mm See our other listings VMA Wekerom

Condition: good (used), functionality: fully functional, Lubeca LW792 filler and LW303 seamer Diameter range: 50 - 160 mm Height range: 65 - 300 mm Ihjdpfxetqmwge Addst Production capacity: up to 70 c.p.m. Tooling for approx.: 160 x 90 mm Lubeca LW792 can filler Lubeca LW303 can seamer

Year of construction: 2006, condition: ready for operation (used), functionality: fully functional, Rondo Doge Bread & Pastry Line. Year of production 2006. Total length 16.7m (Machine 11.55m + tables 5.15m) Width 1.80m (working width 0.7m) Height to hopper 3m. Total height 4.05m Efficiency: 600kg per hour - from 2500 pcs to 7500 pcs of products per hour for square, triangular and flat products Ability to produce a very thin continuous line of dough - from 1 mm to 24.5 mm. - Dough portioning hopper - 3 sprinklers - 2-roll dough extruder - calibrator - satellite sheeter - flour sprinkler - cross roller - longitudinal plate assembly - dough folders - pneumatic guillotine Machine connected to the power supply and ready to work. Ihedpfx Aewn Hhqoddjt

Condition: ready for operation (used), total height: 1,350 mm, total length: 2,680 mm, total width: 2,350 mm, throat depth: 500 mm, empty load weight: 1,800 kg, Volledig automatische lintzaag met bundelklem en automatische invoer CNC gestuurde hoekpositionering werkstukbreedte in bundelklem: 0-300 mm Ihjdpfoxbui Tjx Addot werkstukhoogte in bundelklem: 5-300 mm enkele materiaaltoevoerlengte: 0-600 mm herhaalde materiaaltoevoerlengte: 0-9999 mm maximale snijcapaciteit (90°, rond): 320 mm maximale snijcapaciteit (90°, rechthoek): 500 x 300 mm rechter versteksnede (45°, rond): 320 mm rechter versteksnede (45°, rechthoek): 310 x 310 mm rechter versteksnede (30°, rond): 200 mm rechter versteksnede (30°, rechthoek): 200 x 180 mm linker versteksnede (45°, rond): 320 mm linker versteksnede (45°, rechthoek): 300 x 230 mm Max height of workpiece: 325 mm Sawspeed: 18 > 115 m/min Length of band saw: 4200 x 34 x 1.1 mm

Condition: used, Year of construction: 2017, operating hours: 49,000 h, functionality: fully functional, machine/vehicle number: 170015, Nitrogen generator model number Nitro -Gen 250. This generator is in operation and running 24 hours 5/6 days a week, it is in excellent condition and routinely serviced. It produces nitrogen gas at 99.5 to 99.9% purity with a flow rate of 40/55 M3/hour for packing food to MAP. requirements. Flow rate varies depending on the purity of Nitrogen required. It is estimated it will have a higher flow capacity than that quoted, but in it's present location is sufficient to supply our 4 production lines. There are also 2 buffer/storage tanks included as shown. In addition there is a 11Kw compressor that supplies the generator- if required. With the buffer tanks and compressor[if required] this is a complete working Nitrogen generation system. Operation & installation Manual available. Documents -PDF with rating of this 250 model relative to different purity level settings Ihsdpfx Adexbta Dodst The machine is for sale only due to expansion of the business resulting in additional new production lines requiring higher capacity equipment.

Condition: excellent (used), Year of construction: 2022, Multihead Weigher & Pouch Bag Filling / Sealing Line. Can mix three different products of different weights in the one pouch bag. Consisting of the following. 24 head weigher, sus304, 3-mix, 3 top cones, 100 degree flat chute, 2.5L dimple plate, touchscreen, photo sensor Isdpfx Adsvw Egrsdeht Pouch Machine Change Parts Gantry with stairs 3 infeed elevators Ice Viper Printer Set of wash walls to suit 2 x Cross feed conveyors All manuals and spare parts included Can be seen running In excellent condition

Condition: good (used), 1 x Carrot Line and Grader system Can also be used for potatoes, onions, beet root and brussel sprouts etc. System will be coming out of production end of May/early June. All equipment has had a full service and checked over during the spring period for the coming year. Ihsdpev I S D Sofx Addst Haith Screen Bits Remover. The Screen Bit Remover continuously removes broken fragments of crop and debris from the produce flow. Carrots are transferred onto a traveling screen with a set size aperture. As the screen is conveyed forward, two full-width agitators gently move the crop causing any bits and debris to drop on to a waste conveyor below where the produce is taken over the end. The screen and agitator speeds are variably controlled individually to suit the various crop conditions. Grader / sorter Odenberg Titan 2 automatic camera grading system – installed in 2008. Titan 2 Sorter 6002.2, 3-way carrot sorter. The first sorter removes product that is not usable, damaged etc to the waste line. The second sorter removes short carrots, twisted and misshaped which are sent directly to the value tank. All the rejects go through the positive sorting area and the grading operative throws back any product that is fit for value sale. High capacity and low maintenance sorting machine Flexible sorting machine with gentle handling assured Quality control and feedback accessible through intuitive touch screen Consistent long-life accuracy. Grading Station. The grading operatives throw out any unusable product to the waste line via the positive grading area. Two to four graders can operate here depending on the quality of the produce. Wyma Lift Roller Sizing Grader – installed in 2019 The product is divided into five grades. 500g, 0-25mm, this goes to the value tank. 1kg, 25 – 42mm max. Loose min 30 – 45mm max. Lumpers, min 45mm upwards. Oversize. The Wyma Lift Roller Sizer is a diameter grader suitable for a wide range of fruits and vegetables including carrots, potatoes, parsnips, beets, citrus, onions, bulbs, brussel sprouts, rutabaga and other round or tubular products. It is extremely versatile, offering multiple size outputs at high capacity in one machine. It can cater for a large range of product sizes and shapes through a selection of different roller options. Product size ranges, or size bands, are created by adjusting the spacing between the rollers, at defined locations, along the length of the machine. The Lift Roller Sizer is made from stainless steel and food-grade plastic materials. Five Lift Roller Conveyors. All supporting framework available. *Video available on request* Located in Wexford, Ireland. Buyer to collect – machinery will be dismantled and loaded to your vehicle. UKFM2-6653

Condition: like new (used), functionality: fully functional, Year of construction: 2014, operating hours: 24 h, I am selling full complete onion peeling processing line with M&P onion peelers, items are listed below: -6x M & P onion peeler machine -all conveyers, elevators for transport peeled, unpeeled and waste product Ihsdpfxotzmifo Addet -inspection table -all working platforms -all hoppers for row (unpeeled materials) Excluded air screw compressors but for serious enquire i could help out with additional equipment. Capacity 2700- 4500 kg /h of peeled onion

Condition: refurbished (used), Complete cheese grating line for cheddar or Mozzarella cheese blocks. Cheese blocks are cubed and fed to the Cheese grater then up a conveyor dosed with powder and tumbled Arcall Cheese cutter, transfer conveyor, Urschel CC grater, incline conveyor and tumble mixing drum Can produce 1,000 Kg of grated cheese per hour. A Weigh bagging system can be added to the grated cheese line Ijdpfxep T Tghj Addsht

Condition: good (used), Year of construction: 2005, functionality: fully functional, Homag parquet flooring line Lenghwise FPR 225 minimum wide 135mm Maximum wide 400mm 5+5 motors suitable for click Iedpfxox Sxzwj Addsht HOMAG FPR 226 CROSSWISE minimum lengh 400mm Maximum length 1500mm( could by modified to 3000mm) 5+5 motors suitable for click

Condition: excellent (used), Year of construction: 2018, Upgraded Stork / Marel AMF Filleting Line – AMF-i Version We are pleased to offer for sale an upgraded Stork/Marel AMF filleting line, rebuilt from AMF PLC to AMF-i version. The line is in very good technical condition, equipped with its original electric cabinet, and ready to operate in a modern poultry processing plant. Isdpfx Adjx Hymdjdoht The line consists of the following modules: -Filleting line with measuring equipment (encoder) -Loading Module -Deskinner Module -WB without rebuild (no size selection) -Halving with auto adjust -Separating Module -Breast Tendon Harvesting Max speed: 60 fillets/min Year of production: 2018 Condition: Very good

Condition: new, Year of construction: 2025, working width: 1,300 mm, bending angle (max.): 135 °, sheet thickness aluminum (max.): 1 mm, total width: 1,900 mm, total height: 1,900 mm, warranty duration: 12 months, insertion depth: 1,250 mm, opening width: 105 mm, Equipment: documentation/manual, DINAMIC LINE Ltd. has been manufacturing machinery since 1994. All machines are certified, CE marked, and accompanied by a Declaration of Conformity. Our products are exported across the globe: Italy, Austria, Germany, Switzerland, Spain, Belgium, Turkey, Slovenia, Croatia, Bulgaria, Romania, Moldova, Hungary, Slovakia, Lithuania, Albania, Poland, Bosnia, Montenegro, Kosovo, North Macedonia, Australia, New Zealand, North America, Africa, Russia, Thailand, Malaysia, Tasmania, etc. By agreement with the customer, delivery can be organized under CPT (Carriage Paid To) terms to the customer’s premises. Assembly is not required - ready to use immediately. Quick delivery time Ihodpfx Adogmhxasdst Specifications: Working length: From 2 meters to 9 meters Working width: 1300mm Space requirements: 8800 x 1900 x 1800 Metal sheet bending thickness: 0.8mm / Al - 1.00mm Bending angle: 135° Machine weight: 3500kg Power requirements: 3kw/16A Motor power: 2.2 kW Opening width: 105mm Insertion depth: 1250mm Bending beam thickness: 15mm or 20mm Foot switches: for 2 operator Characteristics: Ultra-fast Hyper production Hydraulic tightening and bending Electric cutting device Precise servo drive adding device Semi or automatic working mode Multi security system Automatic work by 1000 programs & subprogram Automation by PLC HMI Touch screen Friendly interface - incremental programming Remote programming & control Real time simulation & diagnostic LAN & Wi Fi communication Offset angle adjustment CHRISTMAS DISCOUNT

Condition: like new (used), functionality: fully functional, Year of construction: 2014, operating hours: 24 h, I am selling full complete onion peeling processing line with M&P onion peelers, items are listed below: -6x M & P onion peeler machine -all conveyers, elevators for transport peeled, unpeeled and waste product -inspection table -all working platforms -all hoppers for row (unpeeled materials) Ihedjrrglyopfx Addot Excluded air screw compressors but for serious enquire i could help out with additional equipment. Capacity 2700- 4500 kg /h of peeled onion