Control method and preventive measures for the installation and use quality problems of granulator ring mold
The ring die is the key wearing part of the granulator. The correctness of the installation, use and maintenance of the ring die plays an important role in improving the efficiency of the granulator and reducing the consumption of wearing parts. The correct installation of the ring die is as follows. Make the following request (see Figure 1):
Reflective glass is clear or tinted glass that has a very thin layer of metal or metallic oxide on the surface. The reflective coating is applied during the float process. The thicker the glass is, the less light will pass through the window. The reflective coating reduces heat gain and glare from the outside while allowing visible light to enter. Toughened Reflective can be used directly, and also can be processed into Laminated Glass, Insulated Glass for windows, doors, building walls and so on.
Tempered Glass is often used in applications where using standard glass could pose a potential danger. Tempered glass is stronger than standard glass and does not shatter into large shards when broken. This is important, because it can greatly minimize potential danger in the case of a break. Manufactured through a process of extreme heating and rapid cooling, tempered glass is much harder than normal glass.
In the case that tempered glass does break, it shatters into small pebbles that are void of dangerous, sharp edges. As tempered glass is considered to be much safer than normal glass, you may often here it referred to as safety glass or TOUGHENED GLASS . Tempered glass has a wide variety of uses that you'll find just about everywhere. In fact, the shower doors in your bathroom or the side glass on a motor vehicle are examples of tempered glass.
Annealed float glass mainly clear float glass, ultra clear float glass, color tinted glass, reflective glass, they are substrate, can be processed into tempered glass, laminated glass, insulated glass, LOW-E glass, Frosted Glass , Back Painted Glass, Printed Glass , coated glass. Tinted reflective glass mainly brown, grey, blue, green. It can be processed into colored reflective tempered glass, Reflective tempered laminated glass, Reflective Insulated Glass and so on on customer's request.
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In normal operation, the ring die (3), the hoop (4) and the drive wheel (7) are fastened by the hoop bolts (5) without any relative movement. However, in actual use, due to the wear of the hoop and the mounting wheel and the ring of the transmission wheel or the loosening of the hoop bolt, the relative movement may be caused, especially the ring mold is vibrated due to the strong pressing and collision of the pressure roller during operation. In severe cases, the ring mold is cracked and the inner cone hole is worn, which further causes the wear of the hoop and the transmission wheel to be intensified, directly affecting the production efficiency and even stopping the production.
The methods and operation steps to prevent the above problems are:
1. Check the wear of the ring mold ring every week. Due to the different processing equipment and process technology level of each manufacturer and the difference in processing precision between the ring mold and the transmission wheel, it is preferred to select the original ring mold ring and other accessories when selecting the ring mold gasket to avoid the ring mold and The fitting clearance of the circumferential mating surface of the ring and the transmission wheel is too large, which causes the ring mold to sag naturally, which causes the adverse effects such as impacting the pressure roller when the ring mold rotates.
2. Check the relevant position in the figure below each time you install or adjust the hoop bolts, and make sure there is a gap between each hoop and the three positions shown in the figure.
3. After 30 minutes of normal operation, stop tightening the hoop bolts.
4. Check the position of the press roller after each press roll assembly or ring mold installation to ensure that the press roller is between the two process grooves of the ring die. Otherwise, adjustment pad adjustment must be added (the adjustment pad is mounted on the press roller shaft and Between the platen or the spindle).
5. After the pressure roller assembly is installed as a whole, check the axial clearance between the pressure roller and the ring die. The axial clearance is not more than 0.3mm, otherwise the adjustment pad is adjusted.
6. Inferior ring die can not be used. The inner wall of the ring die face should be ≤0.20mm to ensure uniform gap of the die roll.
