MY440/540 compound rolling machine, which is a large-scale noodle rolling equipment used for dumpling machine. The rolling mill adopts single machine drive, frequency conversion control and on-line adjustment, which provides a more flexible means to realize the research and development of new products and improve the quality of products, and it is easier to realize automatic control and easy to operate. Special material: Because the design and manufacture of calendering roller adopts special technology, the calendering roller adopts special stainless steel, which has strong corrosion resistance and can maintain the surface machining accuracy of calendering roller for a long time. So that the phenomenon of roller sticking does not occur even when the water addition rate of the dough reaches more than 50%. Solved the problem of sticking roller on the additional water surface. Single machine frequency conversion drive and automatic belt tension control: each roller adopts single machine drive and frequency conversion control, and realizes multi-roller linkage through distance measuring sensor. This design can simplify the operation, ensure the calendering ratio to meet the technological requirements, and process the surface belt with stable quality. Noodles with different specifications, thicknesses and widths can be rolled according to the requirements of different dumpling machines, and the noodles are automatically rolled after being cut, which is simple, safe and reliable to operate. The difference between this machine and conventional noodle pressing equipment is that the whole machine is made of high-quality stainless steel material and adopts multi-pass rolling. The specific number of rolls can be customized according to the actual needs of customers. This machine is specially designed for quick-frozen rice flour products. The gap between rollers is adjusted by single head, and the adjustment handwheel is attached with a scale table, which has high accuracy.