Rotogravure Printing Machine-Rotoflex Standard

• Commodity: One complete set of UFLEX make 8 Colour Rotogravure Printing Machine
• Reel positioning:   Motorized
• Model: Standard (Self Shaft Chucking System)
• Simplex unwinder :1set
• Infeed unit: 1 set
• Printing unit with drying chamber:8 sets
• Outfeed unit : 1 set
• Simplex rewinder :1 set
• Main drive unit:1 set
• Control Panel :1 set
• Standard accessories : 1 set
• Recommended spare parts: 1 kit

TECHNICAL SPECIFICATIONS
No.of color : 8 colors
Web:

• PET 12-23 micron
• BOPP 15-30 micron
• PAPER 40-80 gsm
• MET PET 12-23 micron
• LDPE 30-80 micron
• Material tension range 4-25 Kg
• Web material width: Max. 1020 mm
• Printing cylinder: Repeat 400-800
• Unwind dia:  Max- 800 mm
• Rewind dia:  Max,-800 mm
• Machine speed: Max.200 M/min.
• (Machine speed and working speed indicated in this specification sheets are based on Solvent, cylinder condition, coating weight as well as operation skill)
• Main driving motor :  A.C. motor
• Machine dimension:  Refer attached lay out drawing
• Machine color:Uflex Standard
• Main control: Eurotherm / Siemens / Others*
• Pne cylinder and fittings :Festo / SMC / Legris / Others*
• * To be decided by Uflex.

UTILITIES: 

• Electric power supply:  415+10%/380V, 50cyclesx3phase, Frequency variation=2%
• Compressed air :  clean compressed air, free of water & oil air pressure 6-7kg/cm2
• Cooling water: 200 c(Pressure 2-4Kg/cm2)

UFLEX ROTO GRAVURE PRINTING M/C (Model: Rotoflex-Standard)

BASIC MACHINE COMPOSITION

SIMPLEX UNWINDER:

• Construction:Self Chucking Simplex
• Tension control:By  means of load  cell roller Control drive A.C. motor
• Paper core:I.D.Dia 3 1/2, (adapter used of 6 ''  core/option) 
• Paper core fixing  :By Self Shaft Chucking
• Unwind dia:Max.800 mm
• Reel positioning: Motorized

INFEED UNIT:

• Construction: Single roll press type Infeed cum heat roller (water/electricheater/Thermic) (Customer to specify) steel roller is driven by A.C.motor by means of the tension signal  and synchronize actuating loadcell roller feedback.
• In-feed roll:
• Roll press type  : Pressed by air cylinder and voluntary pressure Control is available
• Roll size:
• Steel roll: 215mm, Hard chrome plated steel roll
• Rubber roll  :140 mm, N.B.R.Hardness 75-80o shore 
• Air cylinder :63x50 mm stroke
• Drive :By A.C. motor 
• Tension Control:Load cell roll type

PRINTING UNIT:

• Major composition: Printing cylinder (to be provided by buyer)
• Impression roll (to be provided by buyer)
• Doctor blade assembly
• Ink pan
• * Side lay -hand wheel type
• Unit drying chamber
• Main drive
• Guide rollers
• Printing cylinder
• Printing repeat length: 400-800 mm
• Printing cylinder fixed method: Self shaft chucking
• Impression roller/each
• Impression method:By air cylinder to press the impression roll with graduated air  pressure gauge
• Air cylinder: 63 mm x120 stroke
• Rubber roll: 140 mm , Solvent resistant rubber covered hardness 70
• Shaft for the rubber roller: Both side of the shaft for rubber  roller  equipped with bearing. Doctor knife equipment/each 
• construction: pressure , angle of knife and up-down of the holder canbe adjustable by hand-wheel
• : left-right oscillation on pivoting eccentric shaft by means of  main gear box (left & right oscillated stroke = 10 mm) 
• Knife press type  : Knife pressure and fine adjustment will be controlled freely by air cylinder.
• Air cylinder: 50x25 mm stroke
• Knife holder: made of aluminum
• Ink pan part/each
• Construction  : -located at underneath of printing cylinder and adjustment up and down by the handle -included ink mixing roll device.
• Ink circulation pump with viscosity controller (optional equipment)
• Compensating roll part (Register control device)
• Transverse direction: By adjusting the printing cylinders.
• Vertical direction: Compensating roll is equipped at the printing  inlet. Register motor control is available.
• 400mm to 800 mm repeat length 
• Drying chamber (1-6)
• Construction: Drying chamber is equipped at each printing unit, hot air via heat exchanger blows onto web through nozzles.
• Drying chamber on each unit:
• Opening/closing: pneumatic(air cylinder)
• No. of nozzle:10
• Size:1500(L)X1300(W)
• Heating capacity on each unit
• Thermal oil system : 84,000 Kcal/hr.,each
• Temperature range: manual  valve control system
• Blower on each unit
• Type: turbo fan
• Capacity: 3,000 CMH
• Main driving unit: A.C. motor
• Guide roller surface of all guide rollers will be specially grooved
• Material: Aluminum pipe
• Specification
• General guide roll : 110 mm
• Chamber inner roll : 75 mm  )

OUTFEED UNIT:

• Construction: Single roll press type
• Outfeed cum chill roller
• steel roller is driven by A.C. motor
• Out-feed roll
• Roll press type: Pressed by air cylinder and voluntary pressure control is available 

Roll size: 

• Steel roll   : 215 mm, Hard chrome plated steel roll 
• Rubber roll : 140 mm, N.B.R. , Hardness 70 
• Air cylinder : 63x50 mm stroke
• Drive: By A.C. motor 
  

A.C.  motor

• Tension Control: Load cell roll type 
• Inspection lamp box is equipped.
• Web inspection Video:  1 set  each (OPTIONAL) & Automatic Register Control

SIMPLEX REWINDER: 

• Construction:  Self Chucking Simplex
• Tension control:   By means of load cell roller. Control drive- A.C. motor
• Paper core :   I.D.Dia 3 , (adapter used of 6 core/option)
• Paper core fixing:  By Self Shaft Chucking
• Rewind dia:   Max.800 mm

CONTROL & OPERATION PANEL UNIT:

• Main control cabinet controls the each operation panel unit.
•  Installed A.C. Digital drive system.

Cabinet

• Completely wired between main cabinet and operating panel
• Total Connected Load for 8 Colour :  88.71 Kw