This is a new version of CTE's steel belt type sheet extrusion line(developed earlier in 1994) which has been well reputed for the high clarity PP sheet and intended for high glossy mirror surface and high accuracy of the sheet.
1. High glossy and smooth surfaceThe sheet is pressed by the mirror polished roll (rain roll) and mirror belt which is travelling along the roll surface to give high gloss and surface smoothness.
2. Transfer of mirror-like surface to thin-gauge sheetThe roll to press the mirror belt to the main roll is covered with rubber, so flexibility is given to the press section. This has made it possible to transfer the mirror-polished surface to the thin-gauge sheet of 0. 1 mm.
3. Easy adjustment of sheet thicknessThe sheet thickness is adjustable without adjusting the roll gap, but only the take-up speed is adjusted.
This shortens the time required by thickness adjustment.
4. Shorter time for operation startThe troublesome roll gap adjustment and sheet surface smoothness adjustment are no longer necessary.
Therefore the preparation time before operation start is shortened (about 10 - 15 min).
5. Higher clarity of PP sheetThe mirror-polished PP sheet by the mirror roll and mirror belt is quickly cooled in the water tank before completely solidified, thus the clarity is remarkably improved.
6. Stiffness given to clear PP sheetThe clear PP sheet rapidly cooling bath is still soft. If stiffness is required, it will be recovered by reheating the sheet in an annealing equipment.
7. Sheet pressing time is easily adjustedThe press-down roll (push roll) may be moved as desired during the sheet extrusion, so the pressing time may be adjusted according to the plastics material.
And moreIn addition to these advantages above, the newly developed equipment offers the following advantages
8. Easy maintenanceAs compared with the conventional steel belt type sheet extrusion line, the belt exchanging can be done with the less number of attendants and in a shorter time.
9. Space savingCompact design of the belt type sheet take-up unit.
10. Low costNot to mention about the cost reduction in the manufacture of the equipment, the cost of belt, an expendable item, and other running costs, such as the belt exchanging cost and power consumption can be reduced.
Sheet Extrusion Line by Steel Belt System specifications
CTM型 2軸混錬押出機 寸法表
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