Rectangular Separator





classic coarse screening equipmentlow costhigh capacity and accuracyscreen inclination can be adjusted


different motor installation, multi-layer screening, optional screen structures, low energy consumption


suitable for screening materials which are between 0.74mm and 10mm, water content less than 7%, and no sticky.



1. small size, large processing capacity, simple structure, easy installation and maintenance
2.low noise, low energy consumption, high efficiency and low cost
3. high screening precision, no dust pollution, good sealing, is conducive to environmental protection
4.long service life, can be used in automatic operation in assembly line production

Working Principle

The rectangular separator is driven by dual vibrating motors. When the two vibration motors do synchronized and reversed rotation, the vibration force generated by its eccentric block offset each other parallel to the direction of the motor spindle, superimposing as a resultant force perpendicular to the direction of the motor shaft, thus the movement trajectory of the screening machine is a straight line.

The two motor shafts have an angle of dip in the vertical direction relative to the screen surface. Under the combined effect of vibration force and material self-gravity, materials in the screen surface do jumping movement, so as to achieve the purpose of screening and grading materials. It can be used to realize automatic operation in the assembly line.

The rectangular separator is driven by two vibration motors to do rectilinear vibration. By adjusting the installation angle of the vibrating motor, the material throwing angle can be changed to achieve the required form of production.Since the rectangular separator can make the material produce a very large acceleration, it satisfies the high production demand.

This machine is usually installed horizontally and can be also installed with elevation or downtilt to meet different production requirements.


  1. suitable for the rough screening operation of high capacity
  2. various kinds of screen structures (wood frame, metal frame etc.)
  3. quick-open clamps can be used to remove easily
  4. the screen surface angle can be adjusted to balance the screening accuracy and production capacity
  5. the high quality damping rubber spring can be used to minimize the noise, and reduce the large swing of the start stop in the same time
  6. the motor can be installed below or above or side of the screen box to adapt to different environments
  7. it can be installed 1 to 8 layers of screens, and adopts the bouncing ball to clear screen
  8. completely enclosed structure, no dust

technical requirements

Simple Fault Checking and Troubleshooting:

When the screen machine appears some simple fault, the user can check according to the method as shown in the table below.

Fault Phenomenon Inspection Position Eliminating Methods
Motor does not turn Motor power cord and switch Find the break point, replace or repair
The motor turns but the sieve body does not vibrate or vibrate slightly 1.motor eccentric block

2.screen body

1.the eccentric block should be adjusted in the position of “zero” excitation force

2.remove the rigid connection between the screen machine and the outside

The screen body is swinging left and right (material does not go or speed decreases) 1.vibration motor

2.screen body

1.two motors should work simultaneously

2.the two motors’ direction of rotation should be opposite

3.remove the external connection object that affects its amplitude


The rectangular separator is mainly composed of screen box, sieve mesh, vibration motor, motor pedestal, damping spring and brackets.

  1. Screen box: welded by steel plate, with certain strength and rigidity, it is the main component of screen machine.
  2. Screen Mesh: the screen mesh is perforated plate. The overall stiffness is good, solidand reliable.
  3. Vibration motor: the vibration motor useand maintenance method to see the vibration motor operating instructions.
  4. Motor pedestal: the motor pedestal of the down vibration type of sieve machine (the motor is installed under the sieve box) can be moved. The connecting screw must be tightened before using, Especially the new screening machine must be repeatedly tightened three days before trial, so as to avoid accidents caused by loosening.
  5.  Vibration damping spring: to prevent vibration from passing to the ground and support the full weight of the screen box. When installing, the spring must be perpendicular to the ground.
  6.  Bracket: the bracket is used to support the screen box. It must be mounted perpendicular to the ground during installation. The bracket and sieve body part shall be joined by the compression spring.

applicable industries

This sieving machine is suitable for screening materials which are between 0.74mm and 10mm, water content less than 7%, and no sticky.

It is widely used in chemical industry, food, plastic, medicine, metallurgy, glass, building materials, grain, fertilizer, abrasive, ceramics and other industries, for dry powder or granular material screening.

technical parameter chart

Model Nominal Size (mm) Particle Size (mm)  Leaning Angle of Screen(°) Amplitude (mm) Layer Power (Kw)
AZ-520 500*2000 0.0074~10 0~7° 4~10 1~6 2*(0.4~0.75)
AZ-525 500*2500 2*(0.4~0.75)
AZ-530 500*3000 2*(0.4~0.75)
AZ-1020 1000*2000 2*(0.4~0.75)
AZ-1025 1000*2500 2*(0.4~1.1)
AZ-1030 1000*3000 2*(1.1~1.5)
AZ-1040 1000*4000 2*(1.1~1.5)
AZ-1225 1200*2500 2*(1.1~1.5)
AZ-1235 1200*3500 2*(1.1~2.2)
AZ-1250 1200*5000 2*(1.1~2.2)
AZ-1535 1500*3500 2*(1.1~2.2)
AZ-1560 1500*6000 2*(2.2~3.7)
AZ-1845 1800*4500 0.0074~15 2*(2.2~3.7)
AZ-2050 2000*5000 2*(2.2~3.7)
AZ-2060 2000*6000 2*(2.2~3.7)

Delivery & Site Photos