Blind drilled press Roll

Blind drilled press Rollfor papermaking machineryRoll Body: adopt HT-300 cast iron to cast inside and outside; thickness:120mm; the thickness of the finished product wall is 100mm
Cylinder Head: adopt ZG270-500 cast iron to cast and temper. shaft diameter lathe:1:12  use hydraulic pressure
To produce finished products according to drawings after the whole body is hot charged and bolt fastening by 8.8 grade M30×140 hexagonal head bolt
Roll body dynamic balance: accuracy grade G2.5.speed of dynamic balance is 300 m/min (add mass method)
Thickness: unilateral thickness: 20-22.5mm
The type of rubber surface:ZT--PPS 2
Hardness:  “A”95℃±2℃
The performance of rubber surface: high friction coefficient, chemical resistance,, good abrasion resistance, medium temperature 80,acid and alkali resistant
Blind bore on roll surface; bore diameter: 3mm; bore depth: 7-9mm; A double helix arrangement; aperture ratio: 22-24%.