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Curve Rubber Stainless Steel Expander Paper Making Machine Parts

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Curve Rubber Stainless Steel Expander Paper Making Machine Parts

Country/Region	china
City & Province	shijiazhuang hebei

Product Details

Curve Rubber Stainless Steel Expander

Curve Rubber Stainless Steel Expander Introduction

The spreading effect of the curved rolls is obtained throughthe curved steel shaft onto which rotate some rolls mount-ed on ball bearings.

Externally onto the rolls is fitted ,as a rule,a rubber sleevewhich is free to rotate . The curved spreader rolls is usedfor plastic films,paper,fabrics and similar products,or anytime the installation of other types of roll is impossible.

Optimum effect will be achieved by mounting thespreader roll as shown in Diagram 1(Fig.1).

Long entry distance -A- short output distance -E一The material web should always pass over the con-cave side of the Bowed Roller.

Dimension“A” should always be twice the exitspan“E”.Dimension“E”should be approximately two anda half times of the Bowed Roller.

Note: When install the Bowed Roller please ensurethat it is aligned both vertically and horizontally ontothe material webAs shown in diagram1(Fig2)

Curve Rubber Stainless Steel Expander Features

The wrapping angle"w" is determined by the typeof material being processed.

The following angles of wrap are recommended:Paper tindustry

forming fabrics -20° ;25

wet felts -60°; 30

Paper/board -30°; 15

1.Bow adjustment through hydraulic pump ,Thebow become more accurate and stable.

2.Different material can be used in the same ma-chine.

3.The Unique self-locking function ,you take thepump off when the bow is suitable. lt can savespace.

4.roller diameters</=170mm.

Curve Rubber Stainless Steel Expander Data Sheet

Roller Diameter	80,100.120.140.180
Face width	500- 12000 mm(472 in)
Maximum speed	2600 mpm(8500 fpm)
Material	Stainless Steel with rubber cover
Maximum temperature	140℃(284F)
Rubber thickness	up to 480 mm(up to 19 in)
Rubber sleeve	NBR, wear-resistant, EPDM, Hypalon, silicone