Qinyang PingAn Light Industry Machinery Co., Ltd.
30 years experience in paper making industry
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Gray back board paper machine high speed paper making machine
Description
This gray back board paper machine is a high speed paper making machine. It produces high grage cardboard paper like high strength fluting paper, testliner cardboard paper etc. When produce paper of 150gsm and working speed at 355m/min, the mentioned gray back board paper machine can produce 350T per day.
The dynamic balance speed is 650m/min, and headbox is 5300mm. Drive type is section drive with AC variable frequency.
Pressure of each press nip
There are three press nips in the gray back board paper machine. The details are as following:
| Press Nip | Design line pressure | Working line pressure |
| First press nip | 120KN/M | 80KN/M |
| Second press nip | 350KN/M | 260KN/M |
| Third press nip | 350KN/M | 300KN/M |
