Thick cardboard making machine produce super grade duplex board paper
Description
The thick cardboard making machine is a high configuration paper making machine. All parts in this machine are from framous brand and be manufactured in high precision. Such as:
1- Frame
| Before welding, sheet and tube should rectify straight. |
| Before fine machining, it must mechanical vibration treatment to eliminate stress. |
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2. Casting parts
| Big jumbo press roll, dryer cylinder: after casting, thermal insulation treatment to eliminate stress. |
| Other casting: after casting, annealing heat treatment to eliminate the stress. |
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3. Spindle nose of rolls
| Wire section guide roll, press section guide roll, spreading roll, dryer section guide roll, paper leading roll: Quenching and tempering treatment before finishing. |
| Bearing taper surface of all the bearing and roller must precision fit, the contact surface more than 80%. |
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The heaviest part in this thick cardboard making machine is the press roll, about 34tons per roll.
