7 Colors Automatic Offset Cup Printing Machine

Product Description

7 COLORS AUTOMATIC OFFSET PRINTING MACHINE FOR PLASTIC CUP
1. Automatic cup feeding system ensuring a sufficient buffer up to 2000 cups.
2. Automatic feeding speed adjustment according to the speed of main machine.
3. Probe if the cup is there. No-cup-no-print-no-corona-no-ink.
4. Defective cups are automatic ejected directly, without staking and counting.
5. Safety devices to check feeding and discharge, avoid damaging of the printing blanket result from the broken cups and the double ones.
6. Corona pretreatment.
7. UV curing (8kw)with durable lamp.
8. The printing spindle is driven by motor to enhance the printing blanket life and pringting quality.
9. To print 7-colored at one time.
10. Printing sector has in-depend driving system, synchronized with the index by the PIC.
11. All the controls of pressure are micro-adjustable with number indicator.
12. Min changeover time. Numerical indicators on all change parts.
13. The super 2 groups of the inking roller guarantee the print of the big cups without ghost.
14. The grinder roller is adjustable.
15. The cooling system of the inking unit improve the stability of the printing.
16. Stepless speed adjustment from 0 to 400/min.

Applications
1. Printing unit could supply more operation room by moving away 200mm from mandrel.
2. Sampling while the machine is running.
3. Final re-stacker with exact counting device.
4. PLC control system, touch-screen operation, graphical interfaces.
5.360° Safety protection, UV-proof observe window.

Main technical parameters
1. Number of color head: 7 Colors
2. Max. Production speed: 400 Pieces/min
3. Max. Printing length: 390mm
4. Max. Printing width: 130mm
5. Max. Diameter of container on the edge: 140mm
6. Min. Diameter of container on the edge: 50mm
7. Max. Height of container: 170mm
8. Min. Height of container: 40mm
9. Diameter of printing plate roller: 177
10. Diameter of central roller: 708mm
11. Printing sectors on central roller: 4
12. Taper of cup: 2° - 13°
13. Number of mandrels: 8
14. Regulation of pressure: Micrometric
15. Pressure required for pneumatic system: 6-8bar
16. Electrical installed power: 35kw.
17. UV power: 8kw. (Adjustable)
18. Max. Air consumption: 800L/min.
19. Adjustable speed: From 0 to max.
20. Weight of machine: 8000kg (approx. )