1. Before running the linear screen, the channel steel of the bottom frame should be fixed on the foundation, the base should be fixed firmly, so that the height difference of the front and rear support seats on the same side is the same, and the supports on both sides of the same end (feeding end or discharging end) The seat plate is in the same horizontal plane, and the error is within 2mm, that is, the linear screen is in a horizontal state.
2. Keep the screen flat and tight to achieve normal screening.
3. The connection of each part of the linear screen machine must be firm and reliable, all bolts must not be loose, and each part must not have abnormal noise. The gap between the vibrational part of the screen machine and the surrounding fixed objects is 30-50mm. Check the frame of the machine. Whether the tie ring screws are tight.
4. During the transportation of the vibrating screen, in order to increase its rigidity, transportation support will be added. Please remove the transportation support before you start it, otherwise it will affect the vibrating work of the vibrating screen and cause serious damage to the machine.
5. The vibrating screen is generally three-phase electricity, and the power supply must be connected correctly, and it is strictly forbidden to run without phase.
6. Observe the material trajectory after the first startup, and adjust the running trajectory to the state you need according to the sieved material.

1. Check the power supply, the vibrating screen requires 380V three-phase power, please ensure that it meets the requirements;
2. Check the power supply voltage of the vibrating screen. If the voltage is insufficient, it can be solved by changing the power supply;
3. Check whether the material on the screen surface of the vibrating screen is accumulated, too much material on the screen surface will cause the vibrating screen to be unable to start;
4. Check whether the vibration motor can work normally, if it is damaged, it should be repaired or replaced in time;
5. Check whether the vibrator can work normally, if it is damaged, it should be repaired or replaced in time;
6. Check whether the grease in the vibrator becomes thick and agglomerated. If it becomes thick and agglomerated, clean the vibrator in time and add suitable grease.

Coffee bean sorting machine is generally used to screen coffee beans, coffee cherries size grade equipment, before further processing of coffee beans, according to the size of different categories, so that it is convenient for further commercial packaging and processing. So, coffee beans come in various sizes, how many levels can the coffee bean sorting machine screen?
The coffee bean sieving machine generally uses a linear sieve to screen, because the coffee beans are regular in shape and easy to sieve. The linear sieve can be made of stainless steel or carbon steel, which also fully meets the requirements of food grade. The sieving grade of the coffee bean sorter can be determined according to user requirements. Two, three, and four levels are possible. Generally, no more than five layers, that is, six levels, because there are too many layers, the screening effect will be easily affected. .
The coffee bean sorting machine has a good screening effect between two to five grades, which can meet the needs of most coffee bean screening customers.

1. Low material damage rate and good lifting effect
The z type bucket elevator has a low rate of damage to materials and can prevent the generation of defective products. It is suitable for various occasions that require gentle handling of materials. It can be used to lift various fragile or non-fragile materials. Such as melon seeds, peanuts, nuts, rice, corn, potato chips, etc., the lifting height can reach 100 meters, and the conveying capacity is 3-100 cubic meters/hour.
2. Various combinations
The z type bucket elevator can combine horizontal---vertical---horizontal conveying. It can be fed at a single point or multiple points, and the unloading device can complete single-point or multiple-point unloading. It can be used to feed the packaging machine of the weighing packaging machine, the feeder of the color sorter, the multi-point feeding of the automatic weighing and batching system.
3. No pollution
The whole lifting process is in a closed shell, with good sealing, no dust and no waste.
The above are several outstanding advantages of Z-type bucket elevator. In addition, the z type bucket elevator can be made of carbon steel sprayed plastic, 304 stainless steel, 316L stainless steel and other materials according to different requirements. The material of the hopper is optional, including modified plastic hopper, carbon steel hopper, and stainless steel hopper.

In order to ensure the normal work of the vibrating screen, necessary inspections must be done before operation. Based on the experience of our company's technicians for many years, the following five aspects have been summarized.
1. Whether the machine is on a horizontal ground.
2. Whether the base is properly fixed.
3. Whether the fine mesh is fitted horizontally.
4. Whether the screws of the sieve frame are tightened.
5. Whether the connecting supports between the sieve frame and the base is taken out.

1.The operating user should have a detailed understanding of the basic structure and working principle of the vibrating screen, and conduct frequent inspections and regular inspections to accumulate experience and collect operating data and record them.
2.Do not turn on the vibration motor before removing the transportation fixing plate. If the fixing plate is not removed before starting, it may cause damage to the equipment, vibration motor, and personal injury.
3. Before each start, check whether the screen is compressed and flattened, and whether the tie ring screws are locked;
4. Before each start, make necessary inspections, focusing on checking whether the lubrication points are well lubricated, whether the connecting parts are loose and whether there is jamming between the moving parts, etc., and pay attention to ensure that all moving parts are in contact with each other. The necessary clearance between the fixed parts. And after working for 8 hours, re-tighten all the fasteners of the equipment.
5. Every time the vibrating screen is started, it should be carried out under no-load condition. After the operation is stable, feed gradually; stop feeding before shutting down, and then stop the machine after the material in the screen box is drained.
6. The vibrating screen has abnormal conditions during operation and needs to be inspected or routinely maintained. It must be shut down for implementation. Dynamic inspection or maintenance is strictly prohibited.
7. After the equipment is put into use normally, necessary routine maintenance and regular maintenance are required.