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Co-extruder Macchi 3 layers, year 2005/2015
Macchi year 2005 cold part and 2015 hot par is a 3 layers co-extruder is designed for work with LDPE, LLDPE, HDPE, MDPE, mLLDPE materials, thicknes from 20 to 200 my. It is equiped with 2 stations Automatic Dual Winder BO PLUS/D 1200. Visible in production and immediately available
Description
Co-extruder Macchi 3 layers, year 2005/2015
- Brand: Macchi
- Year: 2005 (cold part)
- Year: 2015 (hot part)
- Materials: LDPE, LLDPE, HDPE, MDPE, mLLDPE
- For tubular and monolayer
- Width film by dia: 180 mm; 2,4 mm
- Thickness of the film: min. 20 my – max 200 my
- Min-max film width: minimum 330; maximum 1100 mm
- Breakdown of the layers: A 20%; B 60%; C 20%
- Speed screw of the extruder: extruder A 0 – 170 RPM; extruder B 0 – 110 RPM; extruder C 0 – 170 RPM
- Reference width and thickness: 550mm, 150 my
- Coextrusion unit COEX flex
- High performance mono screw extruder type 65/30D
- Horizontal extruder, with reduced screw height from floor level and mounted on wheels to compensate for thermal expansion
- A temperature control system consisting of 4 heating elements for a power of total heating of 9.6 kW
- The machine includes:
- AC motor with digital frequency converter (inverter), coupled via bell housing and elastic joint
- Oil‑lubricated gearbox with oversized thrust bearing and built‑in oil‑cooling heat exchanger
- Feeding zone with hole geometry designed according to screw design and type of materials used; water temperature control with individual valve managed by the machine PLC
- Bimetallic barrel with hard‑metal lining obtained by centrifugal casting
- Barrier‑profile extrusion screw, made of CrMoV alloy steel, with plasma coating on the screw crest using a special abrasion‑resistant alloy
- Extrusion screw diameter 65 mm
- Grind in AC KW 86 with digital frequency converter
- Benefit: lower energy consumption, minimal maintenance due to absence of motor brushes, no need for electrical power‑factor correction (COS φ), reduced electrical harmonics
- Filter change and plaster diameter 65 mm
- Manual hydraulic movement screwed directly to the flange terminals of the extruder
- High performance mono screw extruder type 90/30D
- Horizontal extruder, with reduced screw height from floor level and mounted on wheels to compensate for thermal expansion
- A temperature control system consisting of 5 heating elements for a power of total heating of 17,5 kW
- The machine includes:
- AC motor coupled via bell housing and elastic joint
- Oil‑lubricated gearbox with oversized thrust bearing and built‑in oil‑cooling heat exchanger
- Feeding zone with hole geometry designed according to screw design and type of materials used; water temperature control with individual valve managed by the machine PLC
- Bimetallic barrel with hard‑metal lining obtained by centrifugal casting
- Barrier‑profile extrusion screw, made of CrMoV alloy steel, with plasma coating on the
- Extrusion screw diameter 90 mm
- Benefit: lower energy consumption, minimal maintenance due to absence of motor brushes, no need for electrical power‑factor correction (COS φ), reduced electrical harmonics
- Fixed 3-layer coextrusion head type COEX flex® TE 502 IBC
- The great advantage of this innovative technology is the low volume of material contained in it, about 40% less, which makes material changes faster and the plant more flexible in the use of various polyolefin complete with:
- Extrusion diam. 180 mm, die gap 1,8 mm
- Range die 300/500 mm
- Heating divided into zones, all with ceramic heating bands
- Group installed on trolley, with integrated system for distributing the cooling water
- The head, integrated in the main base, can be easily removed for maintenance
- Internal cooling control (IBC) type JET 6 integrated into the main control panel includes: 1 valve + 1 ultrasonic sensor, 1 inlet fan 11 kW, 1 extraction fan 11 kW, Speed control via inverter for fan motors, Digital indicator of fan airflow percentage
- Co-extrusion control panel complete with: Digital zone temperature controllers, 1 pressure gauge (with 2 alarm set‑points) for each extruder, 1 temperature gauge for each extruder, Static relays for partialized temperature control, Extruder motor speed control, Heating safety for start‑up, Start‑up timer
- Ultrasonic sensor for bubble break detection
- Timer for micro‑interruptions up to 0.7 seconds
- Independent conditioning unit for 3‑layer Coex (medium size)
- Bubble guide GSRC 1500/8-5
- 5 levels of 8 synchronized arms, with special rollers
- Motorized opening and closing with remote control
- Motorized height adjustment with remote control
- Air‑conditioning system for ring and IBC Model ABF DUE 40/15
- Cooling system features: Cooling capacity: 76,000 kcal/h; Absorbed power: 17 kW, Airflow min/max: 1,500 / 4,000 m³/h, Max ambient temperature: 40°C, Max relative humidity: 60%, Outlet air temperature range: 8–20°C, Cooling water: minimum 25–30°C; flow 18 m³/h
- 3 x Gravimetric batch doser for 6 components “Grade”
- Discharges alternately the quantities of the main material “1”, then “2”, then “3”, then “4”, then “5”, then “6”, weighing them and maintaining the proportions set on the operator terminal.
- In co‑extrusion, multiple dosing groups are integrated into a single operator terminal.
- The discharged material is received by the gravimetric unit, which regulates the extruder screw speed.
- Easy control plus for 3-layer Coex line supervision
- Supervision software based on Siemens technology for controlling line functions and product quality.
- The program is designed with clear and intuitive graphics, common to all lines.
- Loaded on a 19″ touch‑screen interface, installed in a rack that includes a UPS unit and a system printer.
- Easy Control Plus – Module S3 type Kuendig K300
- Rotation ring – Module S4
- Automatic KARAT COM 3 cooling ring with integrated profile control
- Pair of special panels for ST 199 – 2400 – Aluminum/Teflon mixed panels, with the possibility of inserting either one or the other.
- Mechanical speed of the winder: from 7 to 110 m/min
- Maximum film passage width on winders: 1150 mm
- Cardboard cores for reels: inner diameters 76 mm and 152 mm
- Total height of the plant: 12 m (recommended)
- Electrical voltage: 400 V three‑phase + neutral
- Installed power: 230 kW
- Cooling‑water consumption: 48 l/min
- Compressed‑air pressure: 6 bar
- Ironing Unit ST 199 ROTO‑1200 Oscillating with cylinder widthof 1200 mm and Film passage width of 1100 mm
- Pair of Panels for ST 199 – 1200
- Supplement for Roller Coating with Thermal Sleeve For high‑speed operation, Table width 1200 mm
- Standard Wooden Side Triangles height 1500 mm, for film guiding and gusseting, complete with cast supports adjustable in two directions
- Supplementary Calender with Adjustable Gap and Cooled Rollers – 1200 mm for heavy‑duty bags
- Aluminum Return Rollers diameter 100 mm; table width: 1200 mm
- Automatic Dual Winder BO PLUS/D 1200 – 2 Stations
- Automatic reel change upon reaching preset length
- Hydraulic discharge of finished reels
- Max reel diameter: 1200 mm, depending on weight
- Adjustable and constant contact pressure control via LPC pneumatic system with linear motion
- Electronic winding tension control via load cells
- Magazine for automatic loading of up to: 4 expandable shafts Ø 76 mm and expandable shafts Ø 150 mm
- All rollers are dynamically balanced
- Winder includes longitudinal and lateral cutting system with special blades
- Special BO‑PLUS Version for Jumbo Reel Ø 1500 mm
- EASY LOAD Shaft Loading System For loading the winding shaft
- Load Cell Application Before Calender
- Pair of Lifting Hoists for BO PLUS – capacity 150 kg each
- Pair of Film Cooling Cylinders – table width 1200mm
- Ring‑Type Trim Evacuation System
- Pneumatic Expandable Shaft Ø 76 mm for BO PLUS 1200
- Pneumatic Expandable Shaft Ø 152 mm for BO PLUS 1200
- Corona Treatment Unit 1200
- BST Automatic Web Guiding System – 1200
- Dual Air Conditioning System – AC40/15PW
- Thermal Insulation of ASR2 Ring and Distributor
- Thermal Insulation of Pipes Ø 210 mm and 150 mm for Ring and IBC
- Preparation for Gravimetric Dosing System
- Tower excluded
- Visible in production
- Immediately available
About brand
Italian brand
Since its foundation, back in 1961, Macchi S.p.A. has been in the forefront of technological development of blown film extrusion, so that it is today listed among the world leading blown film lines manufacturers.
From the first patent covering a 2 layer coextrusion die achieved in 1961, to the recent evolutions of wide, hi-tech multi-layer lines, the Company has kept his focus on productivity, high quality and sustainability of his technological offering.
Cast extruder Macchi 5 layers, year 2011
Macchi mono extruder year 1993
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DISMANTLING & INSTALLATION
Grow your business with CBS Company.
CBS Company provides complete technical service. Our technical staff is complete with mechanics, electricians, and operators: we will not only install your machine but will start it up and educate your operators.
Are we available for any questions after the work is done?
The answer is YES.
We stay in touch online with our clients after the machine is installed, we are there for you 24/7.
If you wish, CBS Company helps you with the delivery of machine door to door. We can work with your shipping agent or recommend you the one if you are new to this. You are safe and satisfied if you choose to work with CBS Company on the turnkey basis projects.
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