Used Laminating Line For Panels for sale (23,471)

Condition: excellent (used), LAMINATING LINE for panels (particleboards, MDF, HDF) Minimum/maximum panel dimensions: mm 600-1550 (width) x mm 1854-3660 (length) Minimum/maximum panel thickness: PB/MDF mm 8 - 44 (standard mm 16-19-22) // HDF mm 2,5 - 8 Adjustable working speed: m/min 8 - 29 Minimum/maximum working cycle (Feeder and Stacker): 6 cycles/min - 10 cycles/min 01) "KONTRA" Loading station (with stack chain conveyor, 2 Lifting platforms, Feeding station) 02) "KONTRA" Roller conveyor with length guide rail 03) "KONTRA" 1 Vacuum transporter + 1 Stack chain conveyor for protection boards 04) HYMMEN LAMINATING SYSTEM a. "HYMMEN" Mod. FRB (Cleaning Machine) b. "HYMMEN" Mod. GLK-V (Smoothing Calender to uniform the workpieces surface) c. "HYMMEN" Mod. TLA (Glue spreading machine) d. "HYMMEN" Mod. TRC (Conveyor) e. "HYMMEN" Mod. ADZ (Evaporation / Flashing-off Zone) f. "HYMMEN" Mod. KKL (Laminating Calender) g. "HYMMEN" Mod. DSS (Double-belt continous press) h. "HYMMEN" Mod. PWG (Pressing conveyoring rollers) i. "HYMMEN" Mod. FAA (Foil Unwinding Station) Bodpfx Acezxrgwenjdg j. "HYMMEN" Mod. GLK (Final Calender) 05) "KONTRA" 1 Speed-up roller conveyor with length guide rails on both sides and pusher 06) "KONTRA" Unloading station 07) "KONTRA" 1 Protection board magazine

Year of construction: 2010, condition: used, METAL SHEET PROFILING LINE FOR TILE ROOF PANELS Reduced price due to urgent sale Scope of supply Bdodoymbfyjpfx Acneg 1 Uncoiler 2 Front shear + coil guide table 3 Film applicator 4 Base parts of cassette type forming machine 5 Roll forming machine for roof tile for "COPPO" 6 Roll forming machine for rooftile for "ATIIKA" 7 Roll forming machine for rooftile for "T177.5" 8 Shearing (Cut-off) machine: Flying type 9 Drawing part 10 Auto stacker 11 Electric control panel Technical specifications - Manufacturer: IL Kwang (Korea) - Manufacturing: Year 2010 - Material: Pre-painted, galvanized steel sheet (ASTM A 526/ JIS G 3302 SGCC) - Tensile strength: 250 ~ 320 MPA - Max. coil width: 1250 mm - Coil thickness: 0.35 – 0.8 mm - Max. coil weight: 15 ton - Outer coil diameter: Max. 1300 mm - Inner coil diameter: 508 mm - Line speed (length > 5 m): Max. 8 m/min - Speed control: Frequency control by inverter - Commercial voltage: 380 / 50 V/Hz 3 Phases - Surface (LxWxH): Approx. 30 x 8 x 5 m Brand of components - Motor: Siemens (ICE. type) - PLC + Inverter: Siemens 7 - Servo: Mitsubishi (with C.E ) - Touch screen: Pro-face (with C.E.) - Electric components: L.G (with C.E.) Commercial voltage: 380 / 50 V/Hz 3 Phases Line speed (length > 5 m): Max. 8 m/min Material: Pre-painted, galvanized steel sheet (ASTM A 526/ JIS G 3302 SGCC) Tensile strength: 250 ~ 320 MPA Max. coil width: 1250 mm Coil thickness: 0.35 – 0.8 mm Max. coil weight: 15 ton Outer coil diameter: Max. 1300 mm Motor: Siemens (ICE. type) PLC + Inverter: Siemens 7 Servo: Mitsubishi (with C.E ) Touch screen: Pro-face (with C.E.) Electric components: L.G (with C.E.) Speed control: Frequency control by inverter Inner coil diameter: 508 mm Surface (LxWxH): Approx. 30 x 8 x 5 m

Condition: used, Type Production Line Radiator production line Further information can be found in the attached PDF document. Accessories, tools, and clamping devices shown are included in the scope of Bdsdpszpbl Defx Acnjg delivery only if specified in the additional information. Subject to change, errors in technical data and specifications, and prior sale.

Condition: used, Line for forming cevapcici and cevapi (grinder with mixer, portioning device and belt transporter) Bdsdpsg Atrvsfx Acnsg

Condition: excellent (used), Year of construction: 2021, functionality: fully functional, Complete beer canning line for beer (standard 330 and 500 ml can): 10 000 cans per hour (500ml), fully optimized and calibrated. Only 4 machine operators/workers in filling process. The offer includes: Depalletization, rinser, filles, seamer, RTG level inspection, dryer, carton machine, palletization, CIP, flas pasteurization Padovan, HGB,chiller, compressor etc. Bdjdpjuq Sb Sofx Acnsg

Condition: like new (used), Year of construction: 2014, Complete Bottle Filling Line for non-aseptic milk and other dairy product Capability 270, 540 ml PET/Plastic bottles with the cap D- 38 mm Bottle size: 270mm: D-60mm, H-132mm 540mm: D-70mm, H-180mm Capacity: 270mm: 2500 bottles per hour 540mm: 2000 bottles per hour Made by SELO, Netherlands. YOM 2014 Consisting of: 1. 2x Accumulation Tables 150 cm diameter Motorised 2. Rotary Bottle Washer 15 bottle capacity Siemens Logo TD touch screen With Associated Conveyor 3. Selo 6 Head Filling Machine Bdedjyiptqjpfx Acnsg 6 head fully automated filling station With Selo pressure tank Schneider touch screen control Pump and associated pipework 4. Capper Rotary 3 Head fully automated bottle capper with Mobile Cap Hopper/ Swan Neck cap Feeder 5. Albertina/Etipak In Line Labeller 6. Associated conveyors AS NEW CONDITION

Year of construction: 2016, condition: excellent (used), functionality: fully functional, Complete polishing line for granite slabs still active and fully functional, viewable and equipped with: - automatic loading unit - motorized roller conveyors for automatic slab feeding - combined calibrating/polishing machine with high removal rate polishing spindles equipped with mechatronics for material calibration - equipment for drying by means of ventilation on both surfaces of the slabs - automatic waxing machine Bdsdexdnbbepfx Acnsg - automatic protective film applicator Available from next March 2026 .

Condition: used, Year of construction: 2006, Overview  This complete filling line was manufactured in 2005 by German company Breitner Abfüllanlagen GmbH. The line is designed for mayonnaise, dressing and ketchup in glass and PEHD bottles with diameters up to 110 mm. It is reported to be in good condition. Information about the reason for sale and exact availability was not provided. Technical data - Capacity: - 212 ml round plastic: up to 2,700 bph - 250 ml oval plastic: up to 2,700 bph - 1,000 ml round plastic: up to 900 bph - 1,000 ml oval plastic: up to 900 bph - Application: - Glass & PEHD (plastic) - Neck finish: - Screw-on caps Ø 30–40 mm - Twist-off caps - Formats: - 212 ml, 250 ml, 1,000 ml Scope of Delivery  - Inductive Linear Filling Machine | Breitner | IDL 2047 | 2006 | 15–45 b/min - Conveyor | Breitner | TP 6052 | 2006 | — Bdodpfx Asyighiocnsg - Capping Machine | Breitner | VS 5012-S | 2006 | Up to 60 b/min - Rotary Sorter | Breitner | DS 8003 | 2006 | — - Feeder | Breitner | SFB 8001 | 2006 | — - Conveyor | Breitner | TPK 6042 | 2006 | — - Labeller | Breitner | EM 4322 | 2006 | Up to 70 b/min - Conveyor | Breitner | TPE 6032 | 2006 | —

Condition: ready for operation (used), functionality: fully functional, machine/vehicle number: 13688, Year of construction: 2012, empty load weight: 4,990 kg, Fully automated, horizontal production line for IGUs and spacer frames! Production capacity of 1,200 units per shift! TECHNICAL DETAILS Production capacity: 150 pcs/h MACHINE DETAILS Electrical data Voltage: 480 VAC Frequency: 50/60 Hz Phases: 3 Maximum motor capacity: 2 A Short-circuit current: 5,000 A Power: 142 kVA Machine weight: 4,990 kg EQUIPMENT Bjdpfxezxgmrj Acnjdg GED Intercept Ultra / Thin frame machine i-3 – CE version Warm-edge spacer production system Production of Intercept ULTRA stainless steel, ThinPlate or BlackLine

Condition: not inspected (used), Year of construction: 2010, total length: 10,000 mm, total width: 1,900 mm, total height: 2,200 mm, overall weight: 4,000 kg, working width: 700 mm, For Sale: Tromp Laminating Line Year of manufacture: 2010 This line was previously used for producing Ciabatta bread. Included: - Multi-roller unit - Cross-roller unit - Unrolling roller unit Bsdpfezv Sfzsx Acnjdg - Guillotine unit - Spreaders - Various side cutters - Spreading belts Working width: 700 mm It is possible to view the line on-site. If you have any questions or comments, please do not hesitate to contact us.

Condition: used, Year of construction: 2016, Laminate Coating System Manufacturer: Type: Master PUR-1400 Year of manufacture: 2016 Technical data Professional PUR hot-melt laminating system for acrylic, PET, PVC, HPL, and CPL sheets General description The MASTER PUR-1400 is a professional, high-performance laminating system designed for single-sided lamination of sheets with PUR hot-melt adhesive. The system is suitable for continuous industrial production and offers excellent surface quality with low adhesive consumption. It is designed for the production of high-quality furniture panels, interior design components, wall panels, and decorative panels. Suitable substrates The machine is suitable for laminating: MDF Chipboard Plywood PVC sheets Gypsum boards Other wood-based panels Compatible surface materials The system is designed for processing the following materials: Acrylic sheets (high gloss & super matte) PET film PVC film HPL laminate CPL laminate Decorative paper Technical data Bdsdezuzkqspfx Acneg Working width: 1,400 mm Maximum sheet size: 2,800 x 1,300 mm Sheet thickness: 2-40 mm Production speed: 5-17 m/min Throughput: 3-5 sheets/min Maximum productivity: up to approx. 1,200 sheets per 8-hour shift Installed motor power: 21.49 kW Heating power: 51.7 kW Overall dimensions of the machine: approx. 16 x 2.5 x 2 m Required installation area: at least 6 x 22 m System configuration The production line includes: Automatic feeding system with roller conveyor Brush cleaning system for sheets Infrared preheating oven (IR) 3-roller PUR adhesive application system Feeding station for decorative material Laminating press with pressure rollers Take-away conveyor 208-liter melting tank for PUR hot-melt adhesive Advantages Excellent laminating quality Uniform PUR adhesive application Suitable for high-gloss and super-matte acrylic surfaces Low adhesive consumption Stable and reliable operation in industrial series production High production efficiency Easy operation and maintenance Note: The technical data and descriptions are copies of the original order confirmation. The information is provided for informational purposes only and is not binding.

Condition: used, machine/vehicle number: 007676, Position 1: Brushing Machines BARBERAN-ECO-1700-H-SI Bsdjwuzzropfx Acnsdg Position 2: Gluing Machine BARBERAN-ECO-1700-H-SI Position 3: Continuous Cycle Presses BARBERAN-ECO-1700-H-SI Position 4: Continuous Cycle Presses BARBERAN-ECO-1700-H-SI

Condition: used, machine/vehicle number: 008276, Position 1: Planers/Moulding Machines KENTWOOD-FEEDMAC31+M200+FEEDMAC33 Position 2: Panel Feeding and Loading KENTWOOD-FEEDMAC31+M200+FEEDMAC33 Bdsdsx A Tbwjpfx Acnjg Position 3: Panel Stacking and Offloading KENTWOOD-FEEDMAC31+M200+FEEDMAC33

Condition: good (used), functionality: fully functional, AMF Bakery Tromp puff pastry line direct from major factory. Has been producing 2 tonnes per hour of 90-100 layer puff pastry. Other machinery available from the same line including 2 x Syspal bowl tippers (2024), 2 x Diosna WV240 A Premium wendel mixers (stainless steel model), 2 x Siloba 75 tonne flour silos, 2 x Siloba flour stations. All being removed at the end of August '26. Bsdpfx Aezumifocnsdg

Condition: used, Year of construction: 2010, Overview This PET filling line was manufactured between 1996 - 2019 by several European manufacturer. The line is designed for carbonated beverages such as lemonades and also suitable for water with or without CO₂. With an output capacity of 14.000 bph, it offers a complete solution from bottle blowing to palletizing. This equipment is in good condition and still fully operational.   Bsdpfx Aceyb Tuionodg Technical Data - Capacity: 14.000 bph - Filling product: carbonated water and soft drinks - Packaging formats: shrink wrapping without tray - Pallet: Euro pallet (1.200 x 800 mm)  - condition: good technical condition, still in production Scope of Delivery Blow moulding machine | Sidel | SBO10 | 2010 Elevator preform | Sidel | 2010                                                                                                                    Air conveyors | Sidel-Alsim | 1999 Rinsing/Filling/Capping | Sidel-Alsim | 48/60/10 | 1999                                                                                           Mixer | Sidel-Alsim | 1999 Bottle dryer | ACI | 2015 Shrink wrapping machine | Acmi | 2019 Handle applictaor | SMI-Pack | 2002 Conveyors for bottles and trays | Sidel-Alsim | 1999 Palletizer | Alsim | 1996                                                                                                                                                Pallet wrapper | PM Pragometal #1 | 2009 Pallet wrapper | PM Pragometal #2 | 2009

Condition: used, Year of construction: 2006, functionality: fully functional, Lisec laminating line with Scholz autoclave and Kaeser compressor. The line is disassembled but fully functional. The photos show both the period when it was operational and the current situation with the disassembled components. Bjdsw Tyk Iopfx Acnodg

Year of construction: 2020, condition: excellent (used), Laiyi LY-ASCP100-1800 is a single-sided extrusion laminating line for paper packaging applications, specifically for paper cups and bowls. The machine is designed to extrude a thermoplastic polymer directly onto a substrate and bond them together in a single, continuous process. Year of installation: 2020 Condition: very good Bjdpfx Aszt Rzijcnsdg Main technical specifications: Media width up to 1800 mm Laminating width 800 - 1700 mm Rewinder/unwinder diameter Ø1600–1800mm Media thickness 30-400 gsm Extruded resin: LDPE/PP/PBS/EAA (Screw No.1, 110kW, max 400kg/h) Coating thickness: LDPE 8 - 20gsm, PLA 25-45 gsm Machine speed up to 250 m/min 3 Corona units (12kW + 8kW + 8 kW)

Year of construction: 2004, condition: ready for operation (used), Max. working width: 1000mm, feed rate: 5-20m/min, height: 2200mm, length: 4000mm, weight: 3.3t, with documentation, was maintained regularly. Bjdpfx Asi E Trpocnodg

Condition: ready for operation (used), Two custom-built machines for the automatic production of pre-grouted tile panels are available. Bonding material: two-component PU grout, max. production capacity: approx. 50m²/h, min. tile format: 97mm/97mm, max. tile format: 197mm/197mm, splitter plate format: 244mm/119mm. This is a complete production line up to the packaging stage. The PU pipes have become clogged after a long period of time and must be replaced. Including various spare parts. Documentation available. An on-site inspection is possible. Bsdpfjzli Tzex Acnsdg

Condition: used, Year of construction: 2025, COLOMBO R. Discontinuous sandwich panel production line Complete PUR sandwich panel production line for manufacturing panels up to 8 meters in length. Fully automated and equipped with a heated press, high-pressure foaming machine, and integrated roll forming system. A high-performance industrial solution for producing roof and wall sandwich panels in compliance with European standards. Production specifications - Production of sandwich panels up to 8 meters long. - Panel thickness: 40 - 100 mm. - Pre-painted steel thickness: 0.40–0.80 mm. - Manufacturing of roof and wall sandwich panels. - Capability to produce tile-effect sandwich panels. - Automatic cut-to-length system. - Automated machine settings. - Electrical components from leading brands: Siemens, Rexroth, Schneider Electric, Omron, and SMC. Line configuration - 4-platen heated press. - Maximum panel length: 8 meters. - Production of polyurethane (PUR) insulated sandwich panels. - ULTRAMIX 100 high-pressure foaming machine with 1:1 mixing ratio and self-cleaning mixing head. - Complete roll forming line for steel facings. - Two roll forming lines for manufacturing different panel profiles. - 7-ton hydraulic decoilers. - Automatic hydraulic cutting system. - PLC control system with touchscreen interface. - Automatic control of panel lengths and production quantities. - Fully automatic dosing of foam components. - CE-compliant installation with integrated safety systems. Bdjdpfx Acjzrhtmsneg Included - Complete production line. - High-pressure foaming machine. - Heated press. - Roll forming equipment. - Outfeed tables. - Electrical control cabinet. - PLC control system. - Technical documentation included. Panel length: Up to 8 meters Panel thickness: 40 - 100 mm Pre-painted steel thickness: 0.40 – 0.80 mm Panel types: Roof and wall sandwich panels, capability to produce tile-effect sandwich panels Control system: PLC control with touchscreen interface and automatic settings Foaming machine: ULTRAMIX 100 high-pressure foaming machine (1:1 mixing ratio) Press type: 4-platen heated press

Year of construction: 2016, operating hours: 20 h, condition: used, functionality: fully functional, machine/vehicle number: MT-108/2016, We are offering a used IPVET EPS/MW Custom Sandwich Panel Production Line, manufactured in 2016. The machine has seen very little use. Manufacturer: IPVET Model: EPS/MW Custom Sandwich Panel Year of Manufacture: 2015 Condition: Used Category ID: 1059 Type: EPS/MW Sandwich Panel Production Line The EPS/MW (Expanded Polystyrene/Mineral Wool) sandwich panel production line is suitable for the manufacture, staging, and packaging of assorted types and sizes of sandwich panels with insulation. The line includes all necessary electrical circuits, hydraulic system, and control units required for operation. The production line is capable of manufacturing the following products: - EPS roof panels with insulating thicknesses: 60mm, 80mm, 100mm, 120mm, 150mm, 200mm - EPS wall panels with insulating thicknesses: 60mm, 80mm, 100mm, 120mm, 150mm, 200mm - MW roof panels with insulating thicknesses: 80mm, 100mm, 120mm - MW wall panels with insulating thicknesses: 80mm, 100mm, 120mm Raw materials used in production: - 0.4-0.7mm x 1250mm pre-painted, galvanized steel sheet - EPS 80 Expanded Polystyrene boards - MW Mineral Wool (Spanrock XL) - Adhesive (polyol) - Adhesive (isocyanate) Machine Units/Equipment included in the Sandwich Panel Production Line: The EPS/MW sandwich panel production line is a comprehensive system consisting of several machines and equipment. The production line comprises the following units: 2.1. Decoiler for external steel sheet with trolley 2.2. Trapezoidal roller conveyor Bobp Ergeyw Tmlocyodf 2.3. Shearing knife for cutting steel sheet 2.4. Micro-corrugation roller conveyor 2.5. Edge-forming roller conveyor for standard joint outer facing 2.6. Edge-forming roller conveyor for concealed joint outer facing Bdjdpfxjyw Tmls Acnjg 2.7. Decoiler for internal steel sheet with trolley 2.8. Shearing knife for cutting steel sheet 2.9. Micro-corrugation roller conveyor 2.10. Edge-forming roller conveyor for internal facing 2.11. EPS/MW insulation dispenser unit 2.12. Insulation material conveyor belt 2.13. EPS/MW insulation trimming knives 2.14. Adhesive application unit 2.15. Pump 2.16. Adhesive spreading unit 2.17. Laminating roller conveyor 2.18. Cutting saw 2.19. Accordion roller conveyor 2.20. Roller discharge table 2.21. Stacking and flipping unit 2.22. Transport trolley for stacking 2.23. Packaging unit 2.24. Chain conveyor unit for material handling If you have any questions or require further information, please send us a message or call us.

Condition: good (used), Year of construction: 1996, Offer 25468 Sheet – Profiling Line for Shelf Panels Technical Data: - Shelf panel width approx. 250 mm - Material thickness 1.25 mm - Profiling unit with 16 roll forming stations - Hydraulic punching unit Bedpfx Acoxxvq Tenodg - Straightening unit, make DREHER - Motorized decoiler CAMU, load capacity approx. 1.5 t - Control panel - Space requirement / footprint: 14 x 1.5 m - Weight approx. 10 t

Year of construction: 2023, condition: like new (used), functionality: fully functional, We offer this as new SOLAR PHOTOVOLTAIC (PV) PANEL/MODULE PRODUCTION LINE, year of construction 2023. A solar panel manufacturing facility for sale capable of processing both PERC and TOPCon solar cells and producing a wide range of popular PV modules currently demanded in the market. The fully automated production line has an annual capacity of 250 MW and can manufacture various module configurations, including 450W, 585W, and 630W class modules with TOPCon 16BB technology, available in black frame with black backsheet, glass-to-glass, white backsheet, and transparent backsheet options. The facility is also capable of producing 10BB PERC modules up to 550W. Equipped with a double-layer double-chamber laminator, automatic framing system, automatic sorting system, and fully integrated high-efficiency manufacturing processes, this turnkey production line offers flexible production capabilities for today’s leading solar panel designs. With a highly competitive price, this is a rare investment opportunity for serious buyers seeking to enter or expand in the solar PV manufacturing industry. Popular panel types like 550 W PERC , 585 W TOPCON Glass to Glass ; 630 W TOPCON Glass to Glass can be produced with this line. Manufacturer: ARGUS SUNIC Model: 2023 Year of manufacture: 2023 Condition: as new Category ID: 33 Machine type: SOLAR (PV) PANEL PRODUCTION LINE Production capability: Complete photovoltaic (PV) module manufacturing line covering the entire production process from cell stringing to final testing and sorting Supported solar cell types: 182 × 182 mm 10BB PERC (M10); 210 × 210 mm 12BB PERC (M12); 182 × 182 mm 16BB TOPCon (M10); 182 × 210 mm 16BB TOPCon (G12R) Layout: Existing layout is shown in the photos Includes Tabber & Stringer Includes Automatic Robot Layup System Includes Automatic Glass Feeding & Transfer System Includes EVA Cutting & Layup Machines Includes TPT/Backsheet Cutting & Layup Machine Includes Automatic Bussing Station Includes Automatic Taping Station Bodpfeznmhhex Acnodg Includes Automatic Double Glass Feeding & Die Spotting Machine Includes Automatic Double-Chamber Laminator Includes Automatic Frame Gluing & Framing Machine (3-in-1) Includes Automatic Edge Banding Machine Includes Automatic Edge Trimming Machine Includes Junction Box Glue Filling Machine Includes Junction Box Gluing Machine Includes EL Inspection System Includes IV Module Tester (A+A+A+ Class) Includes Hi-Pot Tester Includes Automatic Module Sorting Machine Includes Automatic Laser Scribing Machine Includes Solar Cell Tester Includes Automatic Corner Grinding Machine Includes Automatic Corner Wrapping Machine Includes Automatic Module Loading & Unloading System Includes Plate Chain Curing Conveyor Includes Glass Stacking Machine Includes Visual Inspection Stations Includes Flip Inspection Table Includes Conveyor Systems (Transverse & Longitudinal) Includes Buffer Stations Includes Rotary Units Includes Corner Turning Units Includes Barcode Printing System Includes Control Cabinets Includes Material Handling Trolleys & Auxiliary Equipment If you have any questions or need more information, feel free to send us a message or give us a call.

Condition: good (used), Line now available for immediate sale. Was producing thins for supermarket contracts. Bdsdpfjwhagmjx Acnsg

Condition: used, Year of construction: 2016, operating hours: 2,000 h, functionality: fully functional, Panel Laminating Line for AKRYL, PET, PVC, HPL, CPL MASTER PUR-1400 Professional line for single-sided laminating of panels using PUR hot melt adhesive. Application: The machine is designed for laminating: MDF particleboard plywood PVC boards gypsum boards other wood-based materials Supported finishing materials: AKRYL PVC HPL PET CPL decorative paper Technical specifications: Working width: 1400 mm Maximum panel size: 2800 × 1300 mm Bdodpfx Acozkmqbjnog Panel thickness: 2–40 mm Operating speed: 5–17 m/min Output: 3–5 pieces/min Maximum output: approx. 1200 pieces/8 h Drive power: 21.49 Kw Heating power: 51.7 Kw Line dimensions: approx. 16 × 2.5 × 2 m Required floor space: min. 6 × 22 m Line equipment: feeder with roller conveyor brushing machine for cleaning panels IR oven for preheating the material 3-roller PUR adhesive applicator foil feeding station roller nip press receiving conveyor 208-liter PUR adhesive melting tank Advantages: high surface quality even adhesive application possibility of laminating high-gloss films low adhesive consumption stable operation in serial production