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PAD PRINTING TYPE PIPE CODER - MODEL PPP
AIMS compact, fully automatic PLC based Pad Printing type Pipe Coder for on-line printing of B.No., Mfg.Dt., Company Name, Logos, etc. with printing area of 50 mm X 450 mm on all types of rigid or soft type PVC / Polyethylene / HDPE / PV pipes & tubes, etc. during extrusion process Model PPP-50-O using thick liquid ink & speed upto 5000 strokes per hour.
THEORY
/ PRINCIPLE :
Theory
of pad printing:
The ink is spread over
the plate to fill up the image on it. Doctor blade or ink cup cleans the
plate leaving ink in the etched portion only. The upper surface of the
ink film is exposed to air. The silicone rubber pad comes down &
presses on the image area on the plate & goes up with the ink film
on it. The pad now moves over to the object to be printed & again
moves down onto the object to transfer the print image onto the object.
Because the pads are very soft, they are able to take the shape of the product & so pad printing is possible on irregular surfaces, uneven surfaces & flat surfaces with the same ease & clarity.
INTRODUCTION :
These
coders are ideal for Automatic
On-Line Coding on various types of tubes & pipes during their
extrusion process.
The
message to be printed is etched on the Metal Plate. The thick Fast
Drying Paste Ink is placed inside the closed Magnetic Inking Cup which
has a knife type edge for cleaning the plate of excess Ink. The cup
moves up & down the plate leaving ink in the Etched portions of the
plate. The soft Silicon Pad picks up the ink from the etched surface
& transfers it onto the surface to be printed giving very high
quality of print which is equivalent to or better than Screen Printing.
The whole assembly is directly mounted in front of the extruder where
the extruded pipe passes over the rollers of the system.
The
PLC or controller takes the signal from the Digital Encoder & gives
signal to the Pneumatic Cylinders to synchronize with the pipe to do the
coding/printing after every preset distance.
FEATURES:
* No operator setting as it automatically tracks the
speed of the extruded pipe using the Digital Encoder
and varies its own speed to match it.
* Bright Blue LCD display to display the length of pipe
extruded, no. of prints that have taken place & the
linear speed of extrusion in meters / min. Also, a
production length can be set & it can give an alarm
after the preset length of pipe has been extruded.
* 1 to 3 lines printing on 10 mm to 400 mm outside
diameter of pipes.
* Can be quickly installed on existing pipe / tube
extrusion machines within 15 minutes with the
specially designed stand & bracket.
SPECIFICATIONS
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