Case accessories are the key basic parts of mining machines 摘要箱體零件是礦井機(jī)械中重要的基礎(chǔ)零件。
Spectacles case accessories 眼鏡盒和附件
Spectacle cases accessories 眼鏡盒及附件
Aiming at the existence of coal dust and gas in the coalmine environment and the special requirements of mine case explosion - proof surface process , the error conversion model , shape precision characteristics , transfer drawings , descriptive equation and error transfer structure chart in the production technological process of case accessories adopting the information flowchart of control theory are discussed , which simplify the traditional block diagram of technological process and represent the relationship of working procedure ( variable ) by information flowchart instead of miscellaneous block diagram 針對煤礦井下煤塵和瓦斯存在的環(huán)境特性、煤礦井用箱體防爆面加工的特殊要求,采用控制理論的信息流圖,對工藝過程中傳統(tǒng)方塊圖進(jìn)行簡化,使繁雜的方塊圖解采用信息流圖表示工藝過程的工序(變量)之間關(guān)系。