HY series Semi-active spiral blade screw blade machine are the second generation
Semi-activespiral blade screw blade machine products,which researched and developed by
our company’s practical experience.
HY series of products are the advanced equipment for producing spiral blade ,which use
the strip steel as the raw material and make continuous rolling operation. Compared with
conventional cold forming practices which is used current widely, it just needs do some
simple adjustments on the equipment’s adjustable parts (don’t need replace parts), like the
device dials and pressure gauges, and then roll out various kinds of spiral blades required.
This series of products have the advantages of flexibility to adjust the production
specification, high efficiency production, saving raw materials, high leaf hardness and good
wear resistance.

Technical information