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You must know 4 wrong ways to avoid the screen wear speed of the vibration screening machine

作者: 振动筛厂家 浏览次数: Time: 2019-12-28 16:44 Author: vibrating screen manufacturers Views:
Vibration screening machine is mainly divided into two categories: linear vibration screening machine and circular vibration screening machine. Both of them rely on screens to screen and classify materials. Due to the need for constant full contact with the material, the screen of the vibration screening machine will continue to bear the material from the

”的文章中我们就超声波振动筛这一种机型的筛网磨损的解决方法进行过详细的介绍,很多读者都表示希望多分享类似的干货。 In an article entitled " Three kinds of solutions for the damage of the ultrasonic vibrating screen mesh ", we gave a detailed introduction to the solution of the screen wearing of this type of ultrasonic vibrating screen. Many readers expressed their hope for more Share similar dry goods. Since other models of the vibrating screen family use screens for material screening, we will share the screen maintenance of the common vibrating screens today.

圆形振动筛选机筛两大类,二者都是靠筛网进行物料的筛分和分级过滤的。 Vibration screening machine is mainly divided into two categories: linear vibration screening machine and circular vibration screening machine . Both of them are screened and classified by screen. Due to the need for constant full contact with the material, the screen of the vibration screening machine will continue to withstand the impact and friction from the material, coupled with the need to carefully clean and scour the screen during the routine maintenance process, the screen will inevitably become an ultrasonic wave. Vibrating screen and even all parts of the whole vibrating screen equipment have the highest loss rate. So what exactly causes the life of the screen is not long, and how to increase its service life? Today Jinhe vibration experts will analyze it for you.

振动筛选机筛网图片

4 Wrong Ways to Avoid Aggravating Screen Wear Speed of Vibration Screener

筛网寿命短的原因主要有粘土堆积、电动机转向错误、筛网与筛框贴合不紧及筛网质量差等,针对这些问题的解决办法也各有不同。 The main causes of the short screen life of the vibratory screening machine are clay accumulation, incorrect steering of the motor, the tight fit of the screen and the screen frame, and poor screen quality. The solutions to these problems are also different. Xiaohe Jinhe specially consulted our factory's professional and technical personnel to obtain slowly dry goods information, which is summarized as follows:

I. Vibration screening machine breaks the net due to the accumulation of sticky materials

The vibration amplitude of the ordinary vibratory screening machine is too small to effectively overcome the viscous force of the clay, and it is not suitable for screening of viscous materials. The serious accumulation of viscous materials on the screen surface will quickly damage the screen.

Solution:

1. Increase the amplitude of the vibration screening machine, or replace it with a high-frequency screen;

2. Use sprayed water to flush the screen and clay to reduce viscosity, but this method is only suitable for occasions where water is allowed to be added;

3. Adjust the angle of the screen at the end of the discharge port downwards to facilitate the material to be discharged from the vibration screening machine by gravity;

4. Change the mesh of the screen or adjust the flow of the single screen to allow the material to be discharged smoothly.

各种筛网图片

Second, the screen rotation of the vibration screening machine is caused by abrasion of the screen.

转向时,现场操作人员根据以往经验,认为只要物料往前走就行,但此方法仅适用直线振动筛选机。 When debugging the turning of the vibration motor , the field operator thinks that as long as the material moves forward, this method is only suitable for linear vibration screening machines. If the motor rotates inward by mistake, although the projecting angle is also 45 ° forward, the material has the force of rolling backward. At this time, the speed of the forward movement is much slower, the residence time on the screen is long, and even the material cannot be discharged. .

Solution:

1. When the screen box of the vibratory screening machine is running, press the stop button of the electric control box. At this time, the vibrating screen will stop slowly. Observe the elliptical trajectory formed by the small points on the side panel when the vibrating screen machine is running, and go to the discharge port Rolling for correct steering;

2.Remove the vibrator cover and check whether the eccentric shaft is rotating outward;

3. Change any two phase wires in the power supply of the electric control box, and sprinkle some sand on the screen. One of the faster sand discharge speeds is the correct direction.

振动筛选机振动电机图片

Third, the screen of the vibration screening machine does not fit tightly

After the rubber strip supporting the screen is worn, the screen cannot be reliably contacted with it; the screen is not properly tightened, which will cause the screen to wear more. At the same time, it should be noted that the screen frame of the vibration screening machine is generally a parent-child type screen frame. This type of screen frame has the characteristics of simple and convenient screen change, but it should be noted that two people need to cooperate when changing the screen. One person is responsible for The net is stretched and tensioned, and the other person is responsible for fixing. If the stainless steel vibrating screen is not stretched and stretched, it will cause some areas of the screen to relax and some areas to be over-tensioned and deformed, resulting in damage to the screen caused by the external force. Too fast.

筛网更换图示

Fourth, the screen quality of the purchased vibration screening machine is not up to standard

For special needs such as non-materials, the sieving screen of regular manufacturers will use 304 stainless steel wire mesh. However, in order to increase profits, some unscrupulous businesses will first attract companies with quotations far below the market's lowest price. For motors and accessories, choose low-price, low-quality, fish-eye mixed beads. Use 201 or better stainless steel screens. The nickel content is low, the material is too hard, and it is easy to break, causing the screen of the vibration screening machine to be damaged too quickly.
Contents you may be interested in: 3 kinds of solutions for broken ultrasonic screen

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