【廣告】
型材按使用部門分類有鐵路用型材(鋼軌、魚尾板、道岔用軌、車輪、輪箍)、汽車用型材(輪輞、輪胎擋圈和鎖圈)、造船用型材(L型鋼、球扁鋼、Z字鋼、船用窗框鋼)、結構和建筑用型材(H型鋼、工字鋼、槽鋼、角鋼、吊車鋼軌、窗框和門框用材、鋼板樁等)、礦山用鋼(U型鋼、槽幫鋼、礦用工字鋼、刮板鋼等)、機械制造用異型材等。這使得H型鋼的焊接拼接比工字鋼操作簡單,單位重量的力學性能更好,可以節(jié)省大量的材料和施工時間。按斷面尺寸大小分類。
裝飾材料分為兩大部分:一部分為室外材料,一部分為室內(nèi)材料。室內(nèi)材料再分為石材,板材、片材、型材、線材五個類型。
Decorative materials are divided into two parts: one is outdoor materials, the other is indoor materials. Indoor materials are further divided into five types: stone, sheet, sheet, profile and wire.
細木工板比實木板材穩(wěn)定性強,但怕潮濕,施工中應注意避免用在廚衛(wèi)。
細木工板的加工工藝分機拼和手拼兩種,手工拼制是用人工將木條鑲入夾板中,木條受到的擠壓力差,不能據(jù)切加工,只適宜做部分裝修的子項目,如做實木地板的墊層毛板等。
Blockboard is more stable than solid wood, but it is afraid of humidity. In ctruction, it should be avoided in kitchen and toilet.
The processing technology of the carpenter board is divided into two kinds. The manual spelling is to insert the wooden bar into the splint, the squeezing pressure of the wooden bar is poor, it can not be cut by cutting, it is only suitable for the subproject of partial decoration, such as the cushion coat of the solid wood floor.