Breitenbach: Calender rolls

Calender rolls

are used to produce paper. Even the slightes flaw in the surface of the roll (e.g. pores or cracks) must be absolutely excluded, in order to guarantee the best possible quality of the end product.

"The more precise the grinding of the calender rolls,

the lower the product tolerances."

Impressions - Calender rolls

Technical data

Industry	PVC-foil production
Common diameter	300 – 875 mm
Common roll body length	600 – 4,500 mm
Material	chilled cast iron Tuk 00 – Tuk 30, forged steel, e.g. 42CrMo4, 34CrNiMo6, 30CrNiMo8, 58CrV6
Design	cored, peripherally drilled with plug or ring sealing
Coating	without coating, chrome, tungsten carbide
Surface	cylindrically ground or ground with crown, polished, Ra <= 0.02 mm
Precision	TIR and geometrical shape 0.002 mm
Special features	hot ground for best precision at operating temperature

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Technical data

Industry	rubber and tire production
Common diameter	300 – 875 mm
Common roll body length	600 – 3,000 mm
Material	chilled cast iron Tuk 00 – Tuk 30, forged steel
Design	cored, peripherally drilled with plug or ring sealing
Coating	without coating, chrome
Surface	cylindrically ground or ground with crown
Precision	TIR and geometrical shape ≤ 0.005 mm

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