The ring knife type special-shaped CNC sponge cutting machine developed by our company is currently the most advanced, most practical, highest output, and lowest noise CNC special-shaped cutting equipment in China. The sponge is cut by a computer control system, and the sponge is cut into various shapes without dust. Under the X, Y, and C axis commands controlled by the computer system, the cutting process is automatically carried out according to the graphic trajectory. It has a reliable and safe operating system, which can process any size sponge block, all kinds of sponge fonts, slow rebound sponge, high rebound sponge, special-shaped cleaning products, PVA, EPE, EPS, phenolic, etc., suitable for all kinds of sponge products produce. Its characteristics are as follows: cutting with a circulating knife belt, low machine noise; fast cutting speed, high efficiency; high processing accuracy; no dust, green and environmental protection; simple structure of the rotary knife part, convenient maintenance; durable knife belt, low equipment loss; yes good internal dynamic balance characteristics, stable operation; beautiful appearance, firm structure, high reliability, long service life; simple software operation, good compatibility, can meet the needs of various use occasions.