Monday, December 21, 2015

How to Distinguish the Difference between YA and YK Circular Vibrating Screen?

How to distinguish the YK and YA circular vibrating screen during the customer purchase the equipment?Is it really suitable for your company?Here,the following passage will introduce the difference between them detailed.Hope you have a better understanding.
YK and YA are the two series of circular vibrating screen.YK series circular vibrating screen adopts eccentric block,and YA series adopts eccentric shaft.

YA circular vibrating screen

YK series circular vibrating screen, while retaining the original YA type shaft eccentric vibrating screen features, has the following significant advantages:
1.The vibration exciter adopts the form of eccentric block,which can not only make the eccentric weight if the exciter increase,but also can adjust the excitation force randomly.
2.The screening machine structure tends to simplify,improving the level of the manufacturing process and assembly precision equipment.
3.The use of the flexible coupling cross shaft universal joint shaft or rubber couplings, etc., stable operation.
4.With higher screening efficiency, greater processing capacity.
5.Long service life and using cycle.
6.Easy to maintenance and operation,high running efficiency 

YK circular vibrating screen

Saturday, December 19, 2015

Good Helper for Soybean Classification --Linear Vibrating Screen

The soybean (US) or soya bean (UK) (Glycine max)[2] is a species of legume native to East Asia, widely grown for its edible bean which has numerous uses. The plant is classed as one of the main oilseed by the UN Food and Agricultural Organization (FAO).
Soybean is oval and sphere with yellow, light green, black and so on. The most common uses of soybeans are to do all kinds of bean products, extract soybean oil, ferment soy sauce and extract protein. Soybean residues or soybean meals are commonly used for livestock feed. Linear vibrating screen can play a powerful role in soybean classification and seed selection.
 
motor

Linear vibrating screen for soybean classification adopts double vibration motor drive. When two motors are synchronous and counter rotating, exciting forces produced by eccentric block in the parallel and motor axis direction are offsetting. And the forces in the vertical and motor axis direction overlay a joint force, so that the motion carve of linear vibrating screen is a straight line. There is a angle between two motor axes and screen surface. The soybeans are thrown up and jump forward to do linear motion under exciting force and the gravity of soybeans. Oversized and undersized soybeans with different specifications discharge from respective outlets to achieve the purpose of screening and grading.
 
linear vibrating screen

We use screen with two layers to illustrate the soybean classification. The first layer is used for removing sundries in soybeans, and then the soybeans fall into the second layer. Oversized run to the outlet along with the vibrating force, and undersized impurities discharge from the third layer.
Linear vibrating screen for soybean classification has features of high quality, large capacity, stable operation, easy to operate and maintenance, fully enclosed structure, non dust overflow and so on. It is widely used in screening dry powder and granule materials in chemical, food, plastic, medicine, metallurgy, glass, construction, grain, fertilizer, abrasive, ceramics industries, etc.

Tuesday, December 15, 2015

The Reasons for Vibrating Screen Material Accumulation

The Reasons for Vibrating Screen Material Accumulation

During use, the vibrating screen surface may occurs the material accumulation phenomenon. So what causes the accumulation of material is it, here PK Machinery engineer based on years of experience in analysis of what can be attributed to four issues:
1.Make sure whether the vibrating screen mesh choice has problems or not, sieve mesh network is too small will cause low permeability material.
2.Check the placement of vibrating screen ground whether is flat, spout material will affect the operation of high trajectory, causing the material to one side.


screen mesh
3.Screen mesh and the discharge port whether is horizontal or is too high, under normal circumstances should be level or higher than about 6mm, depending on the material discharge port design are not the same height.
4.Vibration motor angular adjustment if there are problems, improperly adjusted the angle of the vibration motor can also cause material accumulation phenomenon, the smaller the angle on the screen surface material spread outward run faster, whereas angular displacement of the General Assembly so that bulk material outward open slow. If you are under strict requirements for screening accuracy, the motor angle should not be too small, so as not to affect the accuracy of screening, in general, the factory motor shaker angle of 45 °, the user can also special screening process based on its material requirements will adjust the vibration motor angle to 100 °, the mesh material is centralized.

Any question,welcome to contact us via info@pkmachinery.com or www.pkmachinery.com
linear vibrating screen

Monday, December 14, 2015

How to choose the suitable vibration motor for the vibration machine?

Vibration motor has many types and models with a wide application,it is usually applied with the feeder, vibrating screen combination. The vibration motor is very important in the vibration machine. It directly determines the working efficiency of the vibration machine.The vibration mechanical vibration motor selection steps are as follows:
A.According to the operating requirements, confirm the required vibration of the frequency (r/min) and the amplitude Ym (mm).
Such as the six vibration motor (n=960r /min) can drive the vibration chute, vibration feeder, vibration mill, vibrating screen etc.
B.According to the structure of the vibration machine itself, get the vibration weight G (kg) and calculate the required vibration force Fm (N) .
C.According to the vibration of the operation to get Fm, you can get the model of the vibration motor, please pay attention to the exciting force FH is larger than Fm.
D.Design the overall structure, and calculate the actual vibration parameters, after the calculation, if the vibration motor is too large or too small, motor model should be re-selected.
E.Design of vibration isolation system. 

Saturday, December 12, 2015

How to solve problem of damp material blockage occurs in vibrating screen ?

Vibrating screen is a kind of high precision and fine powder screening equipment, with the characteristics of low noise, high efficiency, small size and quick screen mesh replacement,it adopts fully enclosed structure which is suitable for particles, powder, liquid, etc. Clients ever said wet material blockage occurred in vibrating screen,here PK Machinery will list some suggestion,hope it is helpful.
1.Increase the excitation force of vibration motor and increase the amplitude.
2.Increase the vibration frequency, please use the high-frequency vibrating screen.
3.Diluted with water to increase the liquidity of material.
4.Replace the screen mesh regularly to avoid damp material blockage.
5.Manual work assisted cleaning up the screen mesh blockage.
6.Equip with cleaning device, such as the brush.
Hope above mentioned are workable, if you have the other problems about vibrating screen,welcome to contact us freely.
Screen blocking scheme
vibrating screen

Friday, December 11, 2015

How to Install the Circular Vibrating Screen Punching Mesh?

Screen meshes Includes manganese steel woven mesh screen, perforated plate, stainless steel sieve, etc., each of which has its own special place, and therefore it should be selected according to the actual situation.Here we will share some of the easy to implement tips to install the circular vibrating screen punching mesh.
Vibrating mesh sieve punching method of installation with slime mesh sieve dehydration installation is similar. Entire slime dewatering screen is horizontal assembled, but in order to ensure the dehydration effect of the machine, so the screen is negatively corner installation. Alternatively polyurethane screen mesh, tension mounted, or stainless steel weld seam sieve, pressing installation, to meet different needs. But the circular vibrating screen is angled, when using perforated screen, pressing need for the use of square wood, wedge tensioning way.

manganese steel woven wire mesh
Insufficient tightness of the screen will cause the following effects:
① mesh bending deformation, stress concentration serious, relaxation is easy to produce secondary vibration sieve, sieve premature breakage under alternating stress, caused no small economic loss;
② bending deformation affecting mesh sieve through effective screening area, so this should be through the sieve through the sieve material failed, resulting in reduced screening efficiency;
③ screen surface depressions lead to material retention, hinder the forward movement of the material layer, and ultimately affect the productivity of the shaker.

In view of this, increasing the tension of the screen, to ensure smooth screen surface, not only can effectively improve screen life, but also help to ensure the efficiency and productivity of vibrating sieve.

stainless steel screen plate manufacturers

Thursday, December 10, 2015

Methods to Improve the Screening Efficiency of Vibrating Screen

For different ‪‎screening materials,the screening efficiency may different.In order to better sieving the materials,it is necessary to improve the screening efficiency of vibrating screen.Here,PK Machinery lists the methods which can really improve the sieving efficiency as follows.

vibrating screen
First of all,we will show you the two mainly tips.One is dry sieving,and the other is wet sieving.
For dry sieving, you should strictly control the feed water, when the water is high, then considering the screening ingredients.
For wet sieving,conditions permitting, this is the most effective means to improve the screening effect.

circular vibrating screen
Then secondly,the following methods you also should pay attention to:
1.Selection with self-cleaning sieve sieve batter to reduce porosity, such as adding anti-clogging means spring rod sieve or screen below
2.Improve the sieve openings, high aperture ratio will help to improve the screening effect
3.When feeding, feeding along the full width of the screen to make full use of the screen surface
4.Reclining screening machine if conditions permit, the appropriate angle helps to reduce the material thickness, to achieve a thin layer of screening material
5.Counterweight adjustment method to improve the circular vibrating sieve effect
Further more information,welcome to contact us via info@pkmachinery.com or www.pkmachinery.com