High Tenacity and High Modulus PE Fiber, called as UHMWPE fiber, is high-tech fiber in 1990s. Regarded as one of the worlds three high performance fibers (carbon fiber, aramid fiber and PE fiber). Ballistic Material, Ballistic Nylon Fabric, Ballistic Protection Materials, Anti Ballistic Materials NINGBO CHIHAN PROTECTION EQUIPMENT CO.,LTD. , http://www.bpvarmor.com
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Generally; the shaft is supported by two bearings in the radial direction and the axial direction; at this moment; the bearing on one side is called a fixed side bearing; it accepts both radial and axial loads; between the fixed shaft and the bearing housing The effect of the relative axial displacement. The other side is called the free side; only the radial load is accepted; the axial direction can be relatively moved; to deal with the elastic part of the shaft and the distance error of the bearing of the device due to the temperature change. . /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
For fixed-side bearings; it is necessary to select bearings that can be moved in the axial direction (such as cylindrical roller bearings) or moved on the mounting surface (such as radial ball bearings). On the shorter shaft; the fixed side and the free side are not In other cases; use bearings that only move axially in one direction (such as radial thrust ball bearings).
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UHMWPE fiber possesses such characteristics as high molecular weight, high degree of orientation and high crystallization. And its tenacity is 15 times over steel and 10 times over normal chemical fiber. Besides its also low density, high modulus, UV resistance, corrosion resistance, outstanding anti-impact and anti-incision. It's the highest tenacity and lowest density bulletproof material in the world.
UHMWPE fiber is widely used in national defense equipment such as tank, armored car, bulletproof plate, bulletproof helmet, bulletproof jacket, cut-resistance jacket, cut-resistant gloves and fabric; and also used in composites field such as composites materials for aviation and spaceflight, ropes for navy vessel, trawling net, ocean cage against winds and waves, sports equipment and construction projects.
Talking about the selection method of bearing equipment
Source: China Bearing Network Time: 2014-05-17