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Ou Zhou Industrial (Kunshan) Co. LTD

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Master Rollers | Strip Brushes interchangeable

Read:181次    date:2019-12-23 10:03:13
 

Interchangeable Strip Master Rollers by SIT Tecnospazzole
“Master” Rollers are cylindrical brushes with helical sections having peculiar technical characteristics where the brushing element is the “strip”. The linear brushes are mounted on a rotating metallic shaft. The way it is built allows for continuous brushing with the disposal of waste material.

Advantages of brushing with Master Rollers

The Brush consists of a steel shaft mounting turned discs, on which the “strip” are applied using screw-in wedges (RMA = Roller Master Open) or it consists of an iron tube mounted on the shaft, that bears strip welded sheathings (RMC = Roller Master Closed). 

The helical positioning of the elements keeps a part of the brush always in contact with the surface to clean acting continuously and without skipping. This also favors the lateral shifting of the water material removed
The distance between the elements or sectors of the brush allows the total discharge of the material and avoids the risk of obstruction of the brush: the resulting brushing action is more effective and high performing.

Types of Master Rollers

There are 2 types of Master Rollers: Open Master Rollers, classified in Light (RMAL) or Heavy (RMAP), and the Closed Master Rollers (RMC), different for type of application of the linear Strip brush and the ease of mounting/demounting and maintenance (the heavy open roller master are the ones easier to replace and maintain, while the closed roller master are those that require a more complicated operation to replace the strip).

RMAP - RMAL | Open Master Rollers

Open Master Roller with metallic strip
Technical drawing of open master roller
Design characteristics of Open Master Rollers RMAP - RMAL
 E [mm]LU [mm]
Min - Max
A [mm]
Standard
A [mm]
Min - Max
Max RPM [m/s]No. StripFilaments
RMAP159200 - 3000300270 - 4508 m/s8 Strip B. 14All
RMAL80200 - 2000200180 - 4008 m/s8 Strip B. 14All

RMC | Closed Master Rollers

Closed Master Roller with plastic strip
Technical drawing of Closed Master Roller
Design characteristics of Closed Master Rollers RMC
 LU/LT [mm]
Min - Max
A [mm]
Min - Max
D [mm]
Min - Max
Max RPM [m/s]No. StripFilaments
RMC200 - 3000100 - 80042 - 1598 m/sOn demand and based on Ø of the tubeAll

Keys
A = External Diameter
D = External Diameter Shaft
D1 = Diameter through-hole
LU = Useful Length
LT = Total Length
T1, T2 = End Shaft/Tube
S1, S2 = Length tapered sections
B1, B2 = Diameter tapered sections
N = Keyway

Maintenance of Master Roller Brushes and Strip replacement

The strip brushes are detachable and interchangeable with the maximum ease. In all the “Master” Rollers the operation of replacement is very simple and can be performed without disassembling the shaft!

In the open Master Roller it is sufficient to loosen the screws that retain the dove tail inlay and pull out the brushes from the side or radially depending on the ability to reach it. In the closed Master Roller to replace the strips it is sufficient to pull them out laterally from the sheaths.