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Several loads of opening mechanism of opening machine

1. Open pine machine warp tension direction is along the warp direction, so the heald frame in the heald leveling position above, the vertical component of the warp tension down s heald frame in the heald leveling position below the vertical component of the warp tension is upward. Numerical warp tension is smallest in shedleveling, maximum full open. Design a new machine can be in similar types of loom, the experimental method is used to obtain numerical values of the warp tension, and analogy estimation the warp tension. For example, Figure 14 (a) of the transmission rod of beryllium and de lifted, with the spring balance the heald frame by the heald leveling position mentioned shed full open position, it is pointed out that the spring scale readings is the entire film warp tension force in the vertical direction. However, this measure of static warp tension, and operation of the actual dynamic tension is inconsistent, in the conditions permit, Chung good noelectrifyelectromeasuremethod measure the dynamic warp tension.

2 the inertia force of each member of the opening machine F. This is a change of load. Because holding comprehensive sports is variable motion, using simple harmonic motion, heald leveling when the acceleration is zero, and inertial force is zero, is full of maximum acceleration, inertial force is also the largest f to be heald frame escape into the stationary phase, inertial force equal to zero.

3 the gravity of each component G.

4 positive pressure between the various sports N.

5. Each movement between the vice friction, the friction value is very small, compared to the and warp tension force, on the orders of magnitude vary a lot. For the convenience of calculation, often between each pair of friction is neglected.

Above each force in addition to gravity, the rest of the force in an opening movement cycle in the value and direction are in change, we must find the most dangerous moment of force.


 
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Add:Shandong province gaomi city garden variety Tel:+86-536-2666167
Mobile:Ms Genny:+86 18866879001 Mr Fu:+86 15863651958 Ms Genny:+89 13793110805

Website:www.rongdajixie.com  www.sd-rd.cn