Card“four fast”grooming action

In actual production, the gap between the carding parts of the carding machine often does not move. Grinder A spinning machine that turns fiber strands into rovings. The main function is to draft and twist, and to wind the roving into a certain package to meet the processing requirements of the spinning frame.

During the spinning process of the spinning frame, the semi-finished roving or sliver is drafted, twisted, and wound into a spinning machine. The combed sliver and the needle-carding machine combine the sliver, the needle row is drafted to improve the sliver structure, and the roving is further spun into spun yarn on the ring spinning frame, which is the main spinning machine. Special equipment for the textile industry on the winder. As the last process of spinning and the first process of weaving, winding is the link between the past and the next.“bridge”Therefore, it occupies an important position in the textile field.

Therefore, the requirement of tight spacing cannot be realized. This is mainly due to the uneven development of the needle tooth surface in the process of needle wrapping and use management. When the high-speed network is running, the weight of the drum structure is not balanced, and even through the bending of the drum uranium, the cover slats are deformed.

In production, it is often found that the variable cost of the gap between the lift plate and Xinjinlong, the doffer and the Xinjinlong is relatively large, and the left, middle and right gaps are too large or the difference is large, indicating that the gaps are not accurate. Therefore, the process research and design problems cannot be effectively implemented, and of course, the quality control of products and services cannot be fully guaranteed. Only when the spacing between the carding parts is accurate (also called positive spacing) can the opening parts play a carding role, which is beneficial to the improvement of the quality of the cotton web.

Experience has proved that the unclear and cloudy cotton nets are mostly related to the inaccurate (or incorrect) spacing. For example, the gap in the middle of the small drain bottom is too large, the gap between the cotton feeding board and the licker-in, the Xinjinlong and the cover plate, the gap between the doffer and the Xinjinlong is too large, or the difference between the left, middle and right parts is too large. Wait, it will easily cause unevenness of the cotton web, too many self-points, and affect the evenness of the evenness. On the basis of the standard spacing, further clarifying the requirement of tight spacing can strengthen the carding effect and improve the quality of product information.

Usually we propose tight spacing and strong carding, under the premise that the basic engineering and technical education work ability is good, strengthen environmental protection and the work of maintenance and maintenance system maintenance personnel to learn continuously to obtain a guarantee; otherwise, A tight gap will cause the needle teeth of the opening element to collide, which not only weakens the opening effect, but also damages the opening element. Four licker-in rollers are required, with tines on the cylinder, doffer and cap pins. As the machine runs down, the friction between the long fibers and the needle teeth, the teeth will greatly reduce the sharpness, smoothness and flatness of the needle.

Therefore, the carding effect is poor, resulting in multiple neps, and the fibers are in the state of fiber bundles, which will mix the effects of the fibers and transmit them evenly. The fiber doffer surface is unevenly distributed, causing significantly different sentences for rods and dry wool tops. The four-speed maintenance requires us to reshape the needle teeth by grinding the needle and restore the sharpness, smoothness and smoothness of the needle teeth.

There are two grinding modes of grinding needles: flat grinding and side grinding. The flat grinding is mainly designed to grind the top surface of the needle teeth. In addition to the sharpness of the needle teeth, it also has a certain spacing for the opening parts. It has an effect on the adjustment of the tight gap. The side grinding is to insert the grinding disc into the gap between the needle teeth to carry out the grinding work on the side of the needle teeth. influential impact. The first quasi-four fast work is a powerful measure for the carding machine to enhance the carding function and improve the quality of the cotton web and the original sliver. We must earnestly carry out national security work conferences.

certainly,“One standard four fast”The work also requires that the process parts are normally not deformed. Therefore, the recent National Carding and Preservation Conference also requires the“Three mills and twelve repairs”Work.

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