Roll the principle that presses treatment and method, there all is detailed introduction on a lot of mechanical books and periodicals. And the reason of the issue that presses treatment to appear in the place in be being operated actually to boiling and generation and settle way, find the solution hard however on book. A few main problems that in producing my plant the aperture inside oil cylinder to roll squeezing ramming carry out now, encounter and solve method summary to express place to show as follows, offer reference of person of the same trade sincerely. The place on put together is narrated, boil because of,press treatment the differs to did not decide mode of craft condition and craft parameter but abide, the treatment data of technologist or carry on of intermediary of book of some of apply mechanically of handlers avoid by all means. Answer to undertake analyse and be adjustmented according to producing a condition, actor chooses craft parameter, form perfect craft file stage by stage. CNC MillingCNC Machining