1. PLET 370 Justin Vivian Adam Kniedler Thomas Bemiss
Pad Printing
PLET 370
Justin Vivian
Adam Kniedler
Thomas Bemiss

2. History Invented by the Swiss in the 1800s
Used for decorating watch faces
Another originator was England
Used it to decorate ceramics

3. Process Steps Ink Flooding Doctoring Image pickup Print stroke
Ink Deposit
Pad release

4. Ink Flooding
1: FLOODING
                              

5. Doctoring
2: DOCTORING
                              

6. Image Pick Up
3: IMAGE PICK UP
                              

7. Print Stroke
4: PRINT STROKE
                              

8. Ink Deposit
5: INK DEPOSIT
                              

9. Pad Release
6: PAD RELEASE
                              

10. Process Limitations Water Based vs. Solvent Based Surface Energy
Size Capacity
Ink Thickness Limitations

11. Machines Vertical/ Horizontal machine Angled Printing Sliding Ink Cup
Rotary Pad Printing
Carousel Printing

12. Clichés Cliché is the plate that the image is transferred from
Usually about .25” thick
Plastic coated with steel backing
Acidic chemical is used to etch the surface

13. Transfer Pads Size Shape Hardness Typically 20% larger than the image
Conical
Rectangular
Roof shaped
Hardness
Harder the pad the sharper the image

14. Inks Primarily solvent based
Ink contains very high concentration of pigment
Can use additives to aid process

15. Applications Automotive Electronic Advertising Household
Switches, keys, and buttons
Electronic
Housings, Sockets, tapes, and CD’s
Advertising
Pens, lighters, and key chains
Household
Toothbrushes, drug packaging, and bottles

16. Conclusion Simple process Excellent for irregular shapes
Applications are endless
Any Questions?