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How to choose the sliding door and window pulley for the family?

Update:19-07-2019
Summary:

The core of the sliding door - pulley: attention to the […]

The core of the sliding door - pulley: attention to the problem - the bottom wheel load capacity and flexibility
The pulley is the most important hardware component in the sliding door. At present, the pulleys on the market are made of three kinds of plastic pulleys, metal pulleys and fiberglass pulleys. The plastic pulley has a hard texture, but it is easy to be broken. It will become awkward and hard when used for a long time, and the push-pull feeling becomes very poor. The metal pulley has high strength, but it is easy to generate noise when it is in contact with the track; the fiberglass pulley is tough and resistant. Good abrasion, smooth sliding and durable.
Track: Attention Problems - Track Positioning and Damping Devices
High-quality sliding door hardware is mainly reflected in the design and manufacture of the pulley system and the track, and the perfect combination of the two, the track is crucial. The quality of the track depends on the fact that it must have a curvature that can be matched with the pulley. It is necessary to remind that the good track is excellent in the strength design and the smoothness of the contact surface with the pulley, and the thicker the track wall, the better. At present, the track of the sliding door has two types of cold rolled steel track and aluminum alloy track. Rails are not necessarily good. It should be said that good aluminum rails are superior to rails in some respects, especially in terms of noise immunity.

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