Mona + Plus Doctor Blade (MDB –STAINLESS)

STAINLESS STRIPS

This Doctor Blade is made by ultra refined stainless steel for high corrosion & wear resistance and gives a suitable low pressure at high line speed machine with longer running life. This Doctor Blade has high density. It gives more mileage and better print for long running jobs.

 
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Advantages

  • High density and Ultra Refine Swedish Stainless steel
  • VERY High Corrosion and wear resistance
  • Low Anilox and gravure cylinder wear
  • This Blade gives Most Ultra Durable long Life for Rotogravure and Flexographic machine
  • SAVE TIME AND MONEY
  • Better oxidation and abrasion resistance

Specifications

Application Rotogravure & Flexographic printing, Lamination & Coating and Water base ink coating.
Materials High quality carbon steel
Hardness 560 HV
Tensile Strength 1900 N/ mm
Blade Width 10 mm to 100mm
Packing Roll in dispenser box (easy to use)
Length (i) Coils 100 meter or 50 meter ( Other meter as customer requirements)(ii) Pre- cut length ( No joints in any coil).
Thickness (0.10 , 0.15 , 0.20 ) mm
Lamella (Tip) 1.2mm, 1.3mm, 1.4mm & 1.7 mm
Lamella ( Tip) Thickness 60 micron to 120 micron
ELONGATION 5 to 7 %

 

Chemical Composition

Carbon 1,00
Silicon 0,25
MN 0.40
P max 0.015
S max 0.004
Cr 0.00

Technical Specifications

 

ROTO GRAVURE

  • Proper Mounting and Usage of Mona + plus Doctor Blade on the printing press ensure that you get the longer life excellent wiping action from the doctor blade
  • The blade holder must be clean at all times .No ink sedimentation between the Blade and the blade holder should be permitted
  • Use a counter/support blade from 0,5mm thickness, preferably a stainless or CARBON Strips type
  • Cut the counter/support blade at ends to 45 degree angle. (To reduce wear from printing cylinder ends)
  • Make sure the doctor blade is mounted straight in holder, so no waviness is observed. Check along the blade from the side
  • When bolts/screws are used for clamping blade holder, tighten from center bolt/screw and outwards crosswise. Use a torque-wrench if possible. Check so all treads are OK and that no bolts/screws are missing
  • Use measuring tape or other precise measuring tool for setup of blade extensions. (Preferably use fixed end-stops/pins in bottom of the blade holder clamping area)
  • Check doctor blade edge for damages by lightly running your finger nail along the blade edge. Be careful, it’s sharp!
  • Attach the doctor blade holder securely to machine.
  • Try to achieve a 55-65 degree contact angle between doctor blade and cylinder (less doctor blade pressure is needed)
  • Use a blade pressure of 0,5-1,2 bar, increase more if there is no clean wipe, but try to use as low blade pressure as possible. (Less blade flex and blade/cylinder wear)
  • Set blade oscillation to 20-30mm. If your machine doesn’t allow that long stroke, use the max stroke length. Make sure oscillation stroke is smooth. No jerks or stops
  • If there is a need to use a slur-stick, use one with a very sharp tip. Then only low pressure force is needed. Recommended is to use a round wooden stick that can fit into a pencil sharpener for re-sharpening

 

The support Blade must be clean and uniform the and should be mounted on top of the doctor blade as shown above figure . To permit flexibility and proper lubrication , the thickness of the support blade between 0,5 mm .

The Distance between the doctor blade tip and the doctor blade tip should be between 3-5 mm .

Flexo Settings

Use a high quality doctor blade with dimensions suitable for your ink and anilox type.

  • Check your doctor blade chamber/holder so it is straight, clean and without damages, especially in the clamping area
  • If screws/bolts are used for clamping; make sure all screws/bolts are present and that threads are in good condition both on screw/bolt and in chamber/holder
  • Make sure the doctor blade is mounted straight and that no waviness in the blade is observed
  • If a chamber with end seals is used, let the doctor blade length reach 50-70% onto the seal width
  • When screws/bolts are used for clamping chamber/holder, tighten from center and out crosswise
  • Check so doctor blade extensions are correct
  • Examine doctor blade edge for nicks by lightly running your finger nail along the blade edge. Be careful, it’s sharp!
  • Attach the doctor blade chamber/holder securely to machine
  • Check so your anilox roll is clean and in good condition
  • Make sure chamber is aligned to anilox roll, both vertically and horizontally
  • Apply lowest chamber/holder pressure needed (less doctor blade flex and blade/anilox wear). Only press so camber doesn’t leak and doctor blade wipe correctly at production speed.
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Related Products

Type of Edges

  • Bevel
  • Lamella
  • Round

Industry Use

  • Rotogravure
  • Flexographic Printing
  • Waterbase Coating & Lamination
  • Paper, Foil, Pad and Textile