circular vibrating screen

289 YELLOW RIVER ROAD,
XINXIANG CITY, HENAN PROVINCE
Tel: +86-373-5799198
Fax: +86-373-5071699
www.pkmachinery.com
info@pkmachinery.com
1
Vibrating Screen
Circular Vibrating Screen

Tel: +86-373-5799198
Fax: +86-373-5071699
www.pkmachinery.com
Vibrating Screen
Circular vibrating screen, the working principle is in nearly circular trajectory, and therefore it is called as
circular vibrating screen.It is classified into YA type (exciter of axis eccentric )and YK type (adjustable
vibrator of eccentric block).It is widely used in metallurgy, mining, coal, building materials, electricity,
chemical plant etc.

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Fax: +86-373-5071699
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Vibrating Screen
Content
1. Introduction............................................................................................. 1
2. Product Features......................................................................................2
3. Working Principle.....................................................................................3
4. Product Application................................................................................. 4
5. Technical Parameters...............................................................................5
6. Draft......................................................................................................... 7
7. Structural Component............................................................................. 8
8. Failure Analysis and Solution...................................................................9
9. Product Installation................................................................................11
10. Maintenance........................................................................................13
11. Safety Regulations................................................................................14
12. Product Certification............................................................................16
13. Company Profile...................................................................................17
14. Contact Us............................................................................................18
15. Customer Feedback Form....................................................................19

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Vibrating Screen
1
1. Introduction
Circular vibrating screen, the working principle is in nearly circular trajectory, and
therefore it is called as circular vibrating screen, it is a new multiple stage of vibrating
screen which has the classification of single or double layer and light or heavy type.
The machine is classified into YA type and YK type, it has high screening efficiency,
low energy consumption, the machine can operate with large, medium and small size
of material particles at the same time. It has advanced technical parameters, great
vibration strength, large capacity, high efficiency, easy screen replacing, easy
installation and maintenance.

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2. Product Features
1. Modern design, high screening efficiency.
2. Long life span, not easy to be clogged, simple structure with easy screen replacing.
3. Less noise produced, low failure rate, easy maintenance.
4. Low cost, less components.
5. Screen is assembled with several plates, saving resources when changing partial
plates.

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Vibrating Screen
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3. Working Principle
While the vibrating screen is working, exciting force is produced by uniaxial exciter of
the machine which is driven by a common vibration motor. It will then pass through a
screen box and enter into the screen mesh cloth area. Materials are forced
continually to sieve through the screen mesh’s area by the vibration created from
uniaxial exciter in circular trajectory. The purpose of material classification will be
achieved through this action.
There are two supporting forms: suspension support and pedestal support.
Suspension support, screen area is fixed on the screen box, and the box is suspended
or supported by the spring, the bearing of spindle is installed on the screen box,
spindle is driven at high speed by the belt wheel. Eccentric disc is installed on the
spindle, rotation of spindle will generate centrifugal force, the screen box that can
vibrate freely will produce a vibration with circular trajectory.

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4. Product Application
Circular Vibrating Screening is widely used in metallurgy, mining, coal, building
materials, electricity, chemical plant and other industries field which is involving
materials classification, especially in the field of metallurgical industry, but also the
coking plant and mineral processing plant.

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5. Technical Parameters
List of YA Circular vibrating screen’s technical parameter
Model Area Angle Material Capacity Frequency
Double
Amplitude
Motor
(m2) (°) Size (mm) (t/h) (r.p.m) (mm) Model Power (kW)
YA1236 4.3 20 ≤200 40-250 730 8-11 Y160L-8 7.5
2YA1236 2*4.3 20 ≤200 40-250 730 8-11 Y180L-8 11
YA1530 4.5 20 ≤200 42-260 730 8-11 Y180L-8 11
2YA1530 2*4.5 20 ≤200 42-260 730 8-11 Y180L-8 11
YA1536 5.4 20 ≤200 51-300 730 8-11 Y180L-8 11
2YA1536 2*5.4 20 ≤200 51-300 730 8-11 Y200L-8 15
YA1542 6.3 20 ≤200 60-350 730 8-11 Y180L-8 11
2YA1542 2*6.3 20 ≤200 60-350 730 8-11 Y200L-8 15
YA1836 6.5 20 ≤400 61-400 730 8-11 Y200L-8 15
2YA1836 2*6.5 20 ≤400 61-400 730 8-11 Y225S-8 18.5
YA1842 7.6 20 ≤400 80-800 730 8-11 Y200L-8 15
2YA1842 2*7.6 20 ≤400 80-800 730 8-11 Y225M-8 22
YA1848 8.6 20 ≤400 80-680 730 8-11 Y225S-8 18.5
2YA1848 2*8.6 20 ≤400 80-680 730 8-11 Y225M-8 22
YA2148 10 20 ≤200 180-630 748 8-11 Y180M-4 18.5
2YA2148 2*10 20 ≤210 180-630 748 8-11 Y180L-4 22
YA2160 12.6 20 ≤200 230-800 748 8-11 Y180M-4 18.5
2YA2160 2*12.6 20 ≤200 230-800 748 8-11 Y180L-4 22

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Vibrating Screen
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List of YK Circular vibrating screen’s technical parameter
Model Area Angle Material Capacity Frequency
Double
Amplitude
Motor
(m2) (°) Size (mm) (t/h) (r.p.m) (mm) Model Power (kW)
YK1230 3.6 15-30 ≤200 233 970 6-10 Y160M-6 7.5
2YK1230 2*3.6 15-30 ≤200 233 970 6-10 Y160L-6 11
YK1445 6.3 15-30 ≤200 272 970 6-10 Y160L-6 11
2YK1445 2*6.3 15-30 ≤200 272 970 6-10 Y200L-6 18.5
YK1645 7.2 15-30 ≤200 310 970 6-10 Y180L-6 15
2YK1645 2*7.2 15-30 ≤200 310 970 6-10 Y200L-6 18.5
YK1845 8.1 15-30 ≤200 350 970 6-10 Y180L-6 15
2YK1845 2*8.1 15-30 ≤400 542 740 12-14 Y225M-8 22
YK2045 9.0 15-30 ≤200 388 970 6-10 Y180L-6 15
2YK2045 2*9.0 15-30 ≤400 582 740 12-14 Y225M-8 22
YK2060 12 15-30 ≤200 388 970 6-10 Y200L-6 15
2YK2060 2*12 15-30 ≤400 582 740 12-14 Y250M-8 22
YK2445 10.8 15-30 ≤200 700 740 6-10 Y225S-8 18.5
2YK2445 2*10.8 15-30 ≤400 700 740 12-14 Y225M-8 30
YK2460 14.4 15-30 ≤400 700 740 12-14 Y225M-8 22
2YK2460 2*14.4 15-30 ≤400 700 740 12-14 Y280S-8 37
YK3052 15.75 15-30 ≤400 875 740 12-14 Y250M-8 30
2YK3052 2*15.75 15-30 ≤400 875 740 12-14 Y280S-8 37

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Vibrating Screen
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6. Draft
1. Screen box 2. Spring
3. Electrical motor 4. Vibration exciter
5. Supportive stand 6. Screen mesh

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7. Structural Component
The main parts of circular vibrating screen machine consists of screen box, screen
mesh, vibrator, damping spring device, chassis and other components. It is using
cylindrical eccentric axle type of vibration exciter and eccentric block to adjust the
vibration amplitude and it
is mounted on the screen
box. The rotation process is
initiated by a electrical
motor through a
triangle-belt, centrifugal
force is created and this will
result the screen box to
vibrate. Besides that, the
side panels of the screen
machines are made of high
quality steel whilst the base
of the side panels, beams,
and exciter are made of
with high strength bolts or
ring groove rivet connection. Vibrator is mounted on the top of screen box side
panels, rotation is conducted by the electrical motor via its coupling, centrifugal force
is created which will initiate the screen box to vibrate.

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8. Failure Analysis and Solution
Reason analysis
(1) Imbalance pressure acting on the screen mesh
Imbalanced materials input: this is because feeding belt is always slid off or
accumulated with the remains input by its funnel, causes overload input on one side
of the screen mesh while the other side is in almost no load operation. Therefore,
this will increase the damage possibility on the screen mesh.
(2) Materials have long residence time
As the materials moving slowly on the screen, the screen surface area will
accumulate excessive materials, causing the circular vibrating screen always in under
overload condition which will greatly bring a lot of damages such as screen damage,
flexible couplings tear off, spring damage, cabinet cracking.

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Solution
(1) Addition of sub feeder
Addition of a sub feeder at the feeder belt, the sub feeder is flexible in moving
according to the sliding condition of feeding belt which will cause the input materials
to be distributed equally into both side funnel and enter into the circular vibration
screen. This can result in equally distribution into both side funnel and it is a good
way to solve the problem of imbalance materials input.
(2) Increase in inclination of the screen surface, increase the speed of the feeding
belt
With the slow moving speed of materials on the screen’s surface, it will result in
accumulation of the excessive materials, pressure will create to the screen surface.
Therefore, the solution is to minimize the residence time of the materials to stay on
the screen mesh by adjusting the angle of the circle vibrating screen under the fixed
feeding rate and increase inclination of the circle vibrating screen so that can
increase the transporting speed of the materials.

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9. Product Installation
1. Installation step：
(1) Read carefully and clearly understand on the product specification and
installation instructions.
(2) Counted carefully on all the
received components in
accordance to invoice.
(3) Install work platform and
screen body pillar.
(4) The body of the screen is
hanged on the four supportive
pillars which are above the work platform, make sure the axis of the damping is
perpendicular to the work platform.
(5) Install the feeding chute at every stage.
(6) Check on the surrounding of the machine’s fixed structure and make sure it has
approximately 30-50 mm of the empty space to the vibration screen to prevent any
collision waiting to happen.

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2. Commissioning step：
(1) Connect to the power supply, warm up the machine for around 10 min，check
carefully and make sure there is absent of abnormal noise and the amplitude is
normal.
(2) After everything is okay, run the trial operation without any material for 1 hour.
After that, check all the fasteners if there are in loose condition.
(3) Put in with materials for load test, check if the amplitude has reach 8 mm，if there
is something wrong with the amplitude, adjust both sides counterweight of the
screen box ( Attention: both sides of counterweight should change in the same time
with the same number and specification)
(4) All of the records should be noted down during test run, check it out if it is in
compliance with international standard. The load test have to operate for 4 hours，
after that stop the operation. Before stopping the operation, the input process has to
be stopped first and make sure there is nothing on the surface of the screen.

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Vibrating Screen
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10. Maintenance
1. Always keep clean working environment.
2. High temperature lubricant grease should be used for vibrator bearing, apply 2
times every week for the first month , after that apply 2 times for every month.
3. Often check on vibrator flange bolts,
screen plate fixing bolt and support
bolts are not in loose condition, so
that it can always maintain the
pre-tensioning force.
4. The maintenance should be taken
when the vibrating screen is
connected for three months.
(1) Clean the vibration device, add
lubricate oil into all the lubricating
points.
(2) Clean the machine.
(3) Check on the wear condition of the screen, immediately change it if there is
any damage on it.
5. The vibrating screen must be checked and maintained after 1 year operation.
(1) Dismantle the motor terminal box, check on the insulator cable and the
insulation between the insulator cable and metal box.
(2) Clean the vibrator bearing with new lubricant grease .
(3) Check on all the wearing part，change it immediately if there is any damage of
it.
(4) There is necessary to have a test run after all the maintenance procedures
have done，any requirements may refer to foregoing of the product instruction.

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Vibrating Screen
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11. Safety Regulations
1. Before on duty, all related staffs must wear with personal protective equipment.
2. Before the operation of vibration screen, check around the machine if there any
obstacle which may cause interference during product operation and make sure
the drive system is in normal
and reliable condition.
Furthermore, check on the
screen box, screen plate and
spring if there is any fracture
and make sure rivets and bolts
must be not in a loose
condition.
3. Screen machine idling which
first is starting the machine,
then operate a complete
operation process. In the mean time, check it out if there is any abnormal sound
and phenomenon. Check also if there is any jumping off spring from the machine
when the machine is switch off.
4.Check out the stability of the operation process when the screen machine is idling,
and focus on the temperature of the vibration motor, the temperature should not
exceed 70°C
5. The process of materials feeding must be in uniform, so that the materials are
distributed uniformly on the screen’s surface. If there is deviation in materials
feeding, adjust the feeding point, support device, spring, and the excitation force
from the vibration motor.

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6. During the operation, always check with the motor, temperature of vibration
bearing, test on the screen if there is abnormal sound, stopping the process
immediate if there is any abnormal found out.
7. Check on the vibration condition of the screen to see if the amplitude is within the
specified range
8. Stop materials feeding
when the screen machine is
stop operating, switch off the
motor after the screen
surface is completely cleaned
without any materials on it,
clean up all the residue on the screen after the machine is switch off.
9. After that, switch off the power supply, clean the site and hygiene equipment.

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Vibrating Screen
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12. Product Certification
BV ISO CE
TUV SGS Latter Patent

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Vibrating Screen
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13. Company Profile
Henan Pingyuan Mining Machinery Co., LTD. is a professional manufacturer for
Vibrating Screen &Feeder, Bucket Elevator, Belt Conveyor, Screw Conveyor, Scraper
Conveyor and all kinds of spare parts such as Roller, Motor, Rain Cover, etc.
Our company Foreign trade department
External view of workshop Internal view of workshop

Tel: +86-373-5799198
Fax: +86-373-5071699
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Vibrating Screen
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14. Contact Us
 Address：289 Yellow River Road, Xinxiang City, Henan Province, China
 Postcode：453700
 Phone number ：0373-5799777 5799888
 Fax number：0373-5071699
 Email address：info@pkmachinery.com
Company’s 2D barcode YouTube
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Tel: +86-373-5799198
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15. Customer Feedback Form
Company’s information
Name of the company
Address
Name of the project
Name of the equipment
Number of the equipment
Contact information E mail
Phone number Fax number
Properties of materials
Name of the
materials
Materials
concentration
t/m3
Water content %
Viscosity Mobility
Wear Resistivity Corrosivity
Temperature Size of particle
Design ℃
Minimum
diameter
mm
Operation ℃
Maximum
diameter
mm
Distribution of the particle %
Mechanical configuration
Handling capacity t/h
Conveying distance m
Angle of inclination °
Angle of lifting m
Layout Horizontal or inclined
Placement Outdoor or indoor
Source of feeding
Loading area
Material quality Q235, SUS304, 316L or Others
Working duration Non stop work(24/7) / medium(16/5) / Intermittent (8 hr/day) / or?
Voltage V Frequency Hz

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Vibrating Screen
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Note:

Tel: +86-373-5799198
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Vibrating Screen
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