Cracks in the polyurethane screen
Writer： admin Time：2020-09-17 11:38 Browse：℃
What are the reasons for the cracks of the polyurethane screen? Many customers who use polyurethane screens for the first time will ask these questions, so today the polyurethane screen manufacturers have compiled some relevant content, I hope it will be helpful to everyone.
Polyurethane screens are rectangular, square, round, herringbone, rod-shaped, narrow and pore-shaped, rectangular, flower plate type, long round hole, triangular hole, square hole, plum hole, shell hole, fish scale hole, etc. Perforated perforated screens are suitable for metallurgy (iron ore, limestone, fluorite, cooling blast furnace slag, coke, etc.), non-ferrous metals, gold, coal, chemical, building materials and hydropower projects.
Ore washing, screening, grading, deslagging, desliming, dewatering and other occupations such as abrasive waste treatment, quarry and other occupational materials. How to deal with the cracks in the sieve plate, reduce the number of twists, choose the side of the twists, and make twists on the inside of the twists. Replace the stainless steel data with outstanding functions. If the conditions are common, the sheet is annealed.
Stainless steel sieve plate, increase the fillet radius of the sliding material (sieve plate punch); the bottom surface of the aluminum plate is not flat. Increase the number of discharge rods to make the force uniform and increase the pre-pressure; the surface is scratched and the wall becomes thin. Increase the sliding angle of the mold, polish, increase the gap, reduce the preload, and the size and shape are unqualified.
should reduce the intermittent bending between the convex and concave molds. Allow parts to anneal, reduce springback, whether it is possible to increase stamping equipment, change the positioning method; screen products are deflected or modified The product is rectified and proofread, and the data is annealed before deformation. 3. Select a larger bend radius for the first bend.
in order to prevent the passage of fine coal, and then reduce the loss of solid materials in the water, and improve the recovery rate of solids. If the amplitude of the screen surface is too large, it will damage the filter layer. Therefore, wet screening does not require a large amplitude. In the case of achievable vibration intensity, to increase the number of effects of the slurry on the screen surface relative to the screen surface and improve the transportation capacity of the screen surface.
It is advisable to choose a higher oscillation frequency, that is, the advantageous movement characteristics of the wet screening machine should be high frequency and low amplitude. The high frequency sieve is a wet sieving machine based on such a theoretical basis. Its oscillation frequency can reach above 24 Hz and the amplitude is 1.0 ~ 2.5 mm.
Knowing the cause of the cracks in the polyurethane screen, we can prescribe the right medicine. In the daily use process, try to avoid the above problems and do regular maintenance of the polyurethane screen, which will definitely extend the service life of the polyurethane screen. If you have any other questions about polyurethane screens, please call us for details.
