To achieve the goal that the automatic lubricating of grease could be realized on a 125MN extruder, according to characteristics of the lubricated points and the feature of their distribution on the 125MN extruder, a centralized lubrication system whose core technology was SCM was studied and developed.

There are 8 000 presses in the world,with total capacity of 18 500 kt/a and capacity usage rate of 59.

The reason of fatigue fracture at a tightening fillar on 8MN aluminium profile press was alalysed.

This project contains 12 presses(10 MN～100 MN)and 21 presses(12.

Application of stepping motor closed-loop control to speed-regulating system of extruder;

The study on the comparison of extruders as a food machinery and a bio-reactor;

Design for speed regulation system with pressure-close-loop for DEC0-21 type extruder;

The needle supporting pin rod of PH-LR 1250 extrusion machine is rust after ten years,cooling systems is exfiltrated,cooling effect of hole forming pin is bad,it is easy to become deformed and break.

The conception,principle,characteristic,history,course of development,extrusion process system,structure and classify of extrusion machine,basic process of extrusion,production technology and application about food extrusion technology were summarized in this paper.

And Powerking Motor Saver transforms the aluminum molding extrusion machine.

As to aluminium extrusion production processing,this paper mainly introduces upper level industrial control computer and PLC application in automatic controlling system,discusses system architecture,features,functions.