The Influence of the Frictions of the Shafts of the Modules at the Cost of Power

Крылов, А. В.; Fomin, Yu.G.; Tuvin, A.A.; Shakhova, I.Yu.

doi:10.47367/0021-3497_2021_1_103

Cited by 1 publication

(6 citation statements)

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“…Based on the results of theoretical studies, we have derived the conditions for gripping a semi-finished leather product with a base plate by squeezing rollers in the initial zone (6), in the transition zone (10), in a steady-state process (13) and in the zone of a semi-finished leather product exit from a base plate between rotating squeezing rollers (16).…”

Section: Resultsmentioning

confidence: 99%

“…Friction forces T and normal pressure forces N act on the semifinished leather product at the points of contact with the squeezing rollers. In addition, here it is necessary to take into account the gravity of the base plate Gpl and of the semi-finished leather product itself Gl [14,23].…”

Section: Materials and Methods Of Researchmentioning

confidence: 99%

“…Finally, we consider the last zone of squeezing -when the semi-finished leather product exits the gripping zone (Fig. 4), [14,23].…”

Section: The Equilibrium Equation Of Acting Forces Ismentioning

confidence: 99%

“…The development of methods and the improvement of means for studying the physical and mechanical properties of fibrous-porous materials were considered in the dissertation [12]. In [13], the dynamic loading of a roll pair was studied to intensify the pressing processes. The article [14] analyzes the influence of factors on the specific pressure in the roller nip of the module.…”

Section: Introductionmentioning

confidence: 99%

“…The dependences of the sliding friction coefficient of the rollers on the frequency of their rotation and friction were experimentally established in [23]. The authors of that paper determined that the coefficients of friction of metal roller with coatings made of rubber, polyurethane, and wool increase to a maximum value with an increase in the speed of rotation of the drive roller, and then stabilize at a constant level.…”

Section: Introductionmentioning

confidence: 99%

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Conditions for vertical pulling of semi-finished leather products under driving rollers

Nabiev¹,

Tsoy²,

Bahadirov³

2023

E3S Web of Conf.

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The conditions for the vertical pulling of a semi-finished leather product laid bent on a transporting base plate between rotating squeezing rollers are theoretically investigated in the article for the first time. At that, an important role is played by the value of the radii of the squeezing rollers, installed in one row in the horizontal plane, and the value of the corner radius of the front part of the transporting base plate. If the value of the corner radius and the thickness of the base plate are large, then when it contacts the squeezing rollers, a significant frontal resistance arises. Thus, to derive the conditions for gripping the semi-finished leather product between the rotating squeezing rollers, the pulling-in force of the traction chains, the normal pressure force of the squeezing rollers, the coefficient of friction between the rotating squeezing rollers and the leather semifinished product are taken into account. The condition for the vertical pulling of the semi-finished leather product laid on the base plate is determined, taking into account the coefficient of friction between the semi-finished leather product and the squeezing rollers when they come into contact.

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