Welded pipe that bended by hot bending method with a set of specific die and welded by plasma arc welding method was used as tubular blank of SPF.
采用焊管作为管坯 ，焊管弯曲采用专用模具热弯 ，焊接采用等离子弧焊。超塑成形采用多层模结构 ，用模具来控制波形。
Currently, the products consist of toughened glass, interlayer glass, bulletproof glass, pickproof glass, fireproof glass, hollow glass and hot bending glass.
产品有钢化玻璃，夹层玻璃，防弹防盗玻璃，防火玻璃，中空及热弯玻璃。
The main products include: hot-bending vat glass sheet, small set of vats and aquarium chests.
现主要产品为：热弯缸片、小弯系列套缸及水族箱系列。
The mechanical elbow, hot-bending bend, cold-bending bend and elastic installation can be used to handle pipeline corners in design of gas pipeline.
在燃气管道设计中对管道转角的处理，可以采用机制弯管、热煨弯头、冷弯弯管、弹性敷设。
In the investigation of wall-thickness formed in the actual manufacture process, the variation of thickness in hot-bending and cold-bending were compared.
通过对实际生产中弯头壁厚的调研，分别考察热推、冷弯工艺对弯头壁厚改变的影响。
It is pointed out that the sound quality control measures can effectively ensure the stability of epoxy powder coating for hot-bending bend, increase the productivity and coating quality.
指出加强弯管防腐过程中各个环节的质量控制，可以有效地保证钢质弯管环氧粉末涂层的稳定性，提高生产效率和钢制弯管的防腐质量。
It is pointed out that the sound quality control measures can effectively ensure the stability of epoxy powder coating for hot-bending bend, increase the productivity and coating quality.
指出加强弯管防腐过程中各个环节的质量控制，可以有效地保证钢质弯管环氧粉末涂层的稳定性，提高生产效率和钢制弯管的防腐质量。
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