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Roller Flour Mill

Roller Flour Mill

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Description

The roller flour mill is composed of bracket, roller, feeding device, drive, clearance regulator, roller cleaning device, grinding chamber air suction device. The feeding device and clearance regulator are complicated and more important. 

Roller Flour Mill

 

Roller Flour Mill

 

Roller Flour Mill

 

 

 

The roller is the main part of roller flour mill. It bears high rotary speed, big pressure and fierce friction so that the roller should be strong, stiff, tough, wear resistant and heat conducting. Its surface should not have sand holes, air holes or cracks. To keep stable operation and uniform roller clearance, the roller should be precise cylinder with cylindricity no more than 0.01mm and roughness of 0.8μm.

The grinding layer is made of alloy chilled iron at the shore hardness of 68°to 78°, thickness is 8-13% of the diameter. The inner layer is made of gray iron. Roller axis is steel 45# which is roughly processed and then pressed into the roller body.

 

Main technical parameter

specifications

          MS80*25*2

Diameter of roller×length (mm)

φ250×800

fast roller speedr/min 

450680

speed ratio of fast and slow rollers

 1.14:1   1.25:1   1.5:1   2:1   2.5:1

speed range of front feeding rollerr/min

60360

speed ratio between feeding rollers

  3:1    2.5:1    2:1     1.5:1   1:1

power of feeding roller motor   (kw

0.37

 motor for half flour mill

Pole number6     power: 530 kw

diameter and slot number of main belt pulley 

diameterφ355    slot number4,6

pneumatic pressure   (Pa

57×105

diameter runout of roller body (MM)

0.02

Dimension (mm)

See in drawing 1

Weight (Kg)

3250

 

Roller Flour Mill

 

Roller Flour Mill

 

Roller Flour Mill

 

The roller flour mill is composed of bracket, roller, feeding device, drive, clearance regulator, roller cleaning device, grinding chamber air suction device. The feeding device and clearance regulator are complicated and more important.

 

The roller is the main part of roller flour mill. It bears high rotary speed, big pressure and fierce friction so that the roller should be strong, stiff, tough, wear resistant and heat conducting. Its surface should not have sand holes, air holes or cracks. To keep stable operation and uniform roller clearance, the roller should be precise cylinder with cylindricity no more than 0.01mm and roughness of 0.8μm.

The grinding layer is made of alloy chilled iron at the shore hardness of 68°to 78°, thickness is 8-13% of the diameter. The inner layer is made of gray iron. Roller axis is steel 45# which is roughly processed and then pressed into the roller body.

 

Main technical parameter

specifications

          MS80*25*2

Diameter of roller×length (mm)

φ250×800

fast roller speedr/min 

450680

speed ratio of fast and slow rollers

 1.14:1   1.25:1   1.5:1   2:1   2.5:1

speed range of front feeding rollerr/min

60360

speed ratio between feeding rollers

  3:1    2.5:1    2:1     1.5:1   1:1

power of feeding roller motor   (kw

0.37

 motor for half flour mill

Pole number6     power: 530 kw

diameter and slot number of main belt pulley 

diameterφ355    slot number4,6

pneumatic pressure   (Pa

57×105

diameter runout of roller body (MM)

0.02

Dimension (mm)

See in drawing 1

Weight (Kg)

3250

 

Roller Flour Mill

 

Roller Flour Mill

 

Roller Flour Mill

 

The roller flour mill is composed of bracket, roller, feeding device, drive, clearance regulator, roller cleaning device, grinding chamber air suction device. The feeding device and clearance regulator are complicated and more important.

 

The roller is the main part of roller flour mill. It bears high rotary speed, big pressure and fierce friction so that the roller should be strong, stiff, tough, wear resistant and heat conducting. Its surface should not have sand holes, air holes or cracks. To keep stable operation and uniform roller clearance, the roller should be precise cylinder with cylindricity no more than 0.01mm and roughness of 0.8μm.

The grinding layer is made of alloy chilled iron at the shore hardness of 68°to 78°, thickness is 8-13% of the diameter. The inner layer is made of gray iron. Roller axis is steel 45# which is roughly processed and then pressed into the roller body.

 

Main technical parameter

specifications

          MS80*25*2

Diameter of roller×length (mm)

φ250×800

fast roller speedr/min 

450680

speed ratio of fast and slow rollers

 1.14:1   1.25:1   1.5:1   2:1   2.5:1

speed range of front feeding rollerr/min

60360

speed ratio between feeding rollers

  3:1    2.5:1    2:1     1.5:1   1:1

power of feeding roller motor   (kw

0.37

 motor for half flour mill

Pole number6     power: 530 kw

diameter and slot number of main belt pulley 

diameterφ355    slot number4,6

pneumatic pressure   (Pa

57×105

diameter runout of roller body (MM)

0.02

Dimension (mm)

See in drawing 1

Weight (Kg)

3250

 

 

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