Download Mechanisms of flat weaving technology by Valeriy Choogin PDF

By Valeriy Choogin

To create an efficient woven textile a strategy engineer needs to decide on the best form of weaving desktop and confirm the actual parameters of the elastic approach of material formation to be utilized. it's also necessary to be aware of the aim of the entire mechanisms of the selected form of weaving desktop. In reviewing those concerns, Mechanisms of flat weaving expertise offers an enormous reference for either weaving experts and scholars.

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Extra info for Mechanisms of flat weaving technology

Sample text

Spring F1 provides only a minimum level of friction force of T. Decreasing the ESFF tension from its normal level causes the back-rest (2) to oscillate at a higher position. In this case, spring F will have a greater influence on the shoulder (6), and the brake shoe (5) will press more firmly on the pulley. An increase of friction force Т will lead to a reduction in the release of the warp threads from the warp beam, and this will raise the level of fluctuation of tension K to its normal value.

2 in the opposite direction. The tension K21 of the warp on warp beam No. 2 will rise, and the equality of moments Мm1 and Мm2 will be restored. The satellites will, once more, cease to rotate about the axes. Thus, the differential observes the equality of driving moments Мm1 and Мm2 from the two warp beams. Hence, a very important conclusion follows: at ρ1 = ρ2, the © Woodhead Publishing Limited, 2013 34 Mechanisms of flat weaving technology differential will support equality of tension of warp threads K1 = K2; at ρ1 > ρ2 the differential will support the inequality of tension (K1 < K2).

This will release warp from the warp beam. Thus, under no circumstances can the planetary reducer rotate the warp beam by itself © Woodhead Publishing Limited, 2013 28 Mechanisms of flat weaving technology (due to the direction of its profile, the tooth (4) cannot apply a driving force to the other gear tooth (3)). By means of its bottom arm (13) and link (14), the warp beam diameter gauge (12) moves the sliding block (15) downwards as the beam radius ρ diminishes. The top link lever (16), which is under the control of forces F and K, moves the top link lever (10) to the left if there is an increase in warp tension.

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