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|Bearing Material:||Chrome Steel, High Carbon Steel||Wrapped Material:||Nylon, PA66|
|Inner Diameter:||5mm||External Diameter:||19mm|
|Thickness:||8.4mm||Applicant:||Automatic Door Guide|
pillow block housing,
spherical bearing housing
High Carbon Steel Bearing Housing Types , 605 ZZ Plastic Wrapped Wheel Bearing
1, product description: inside standard bearings with pointed plastic material for injection, wrapped bearing.
2, product advantage: excellent material for injection, current mold, excellent quality bearing selected
different external diameter bearing size availible: from 605, 608,623, 625,626,etc.
wrapped material and size according to customer usage.
3, product applicant: automatic door guide bearing, plastic wheel bearing, caster bearing, wheel rollers
Analysis of guide bearing and pulley structure of automatic sliding door
The design of the automatic sliding door slides is completely different from the the design of the automatic sliding door slides, the slippery course of automatic sliding door because of should take the door, and the doorframe fixed hang and adjustment, the installation of electrical components and exterior trim cover installation, and other functions, so need to slide rail design into one slide, door in the side through the lateral hanging pulley on the slippery course, formation of lateral suspension. It is easy to install and adjust the door body and maintenance. But, because is the lateral suspension structure, for setting up support in a line, so the door a body centre of gravity is due to the error of the fitting accuracy and the influence of wind, can make the door a body form static side swing and generate dynamic side swing.
The guide block of the lower part of the dynamic portal is used with a bearing whose diameter is smaller than the lower guide slot of the door body, so that the door can still function normally under the condition of swinging in two directions. The vibration of this side pendulum is shown as noise in the use effect, which will lead to the wear of pulley and guide rail. In addition, this side suspension structure makes the guide and pulley completely open, thus accumulating dust easily and causing serious wear and tear between the guide rail and pulley. Therefore, we must pay attention to daily maintenance and maintenance. In addition, the pulley and the upper part of the guide rail can easily slide the door body, safety is not guaranteed. So choosing this automatic door must pay attention to the compressive strength of the automatic door.
Automatic sliding door aluminum profile mostly depends on the quality of the rail material, the precision and intensity, the pulley material and machining precision, and the design and machining accuracy of gate crane accessories can effectively reduce the installation error. The structure of the automatic sliding door installation and debugging is the key to improve the accuracy, namely improve the guide rail straightness and levelness, door body formed by the two hanging point of the straight line to guide rail parallelism and perpendicularity, minimize static side swing door. After the automatic door is put into use, especially in the early stage, it is necessary to adjust the door body frequently to correct the errors caused by the operation. In addition, strictly limit the weight of the door body, not exceed the rated weight of the automatic door.
Most of the latest automatic sliding doors are designed with horizontal double guide rail. A positive suspension is formed between the two supporting points of a horizontal double guide. The guide rail opens to the bottom, and it is equipped with double-sided seal brush to form a sealed guide to avoid the wear of dust on the guide rail and pulley. The key to this structure design is to solve the problem of rail installation, transmission and electrical components. The structure of horizontal double guide rail is very good, and the problem of side pendulum is solved completely, which is the maximum dynamic stability of the operation.
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