In addition,some quality estimate methods abroad for PE pipe heat fusion joint are intro.
通过使用两种不同聚乙烯(PE)原料制成的管材热熔对接接头试样进行(5±1)mm/min、(50±1)mm/min恒定速度拉伸试验,阐述了PE管材热熔对接接头的性能低于管材本体;利用对PE管材热熔对接接头试样加热的方法,以及对热熔对接接头试样焊缝四周切口后进行的(5±1)mm/min恒定速度拉伸试验,判定PE管材热熔对接接头的性能,这种方法与其它破坏性试验的统计结果相一致;并介绍了国外对PE管材热熔对接接头质量的评价方法。
The statistic distribution of the resistance to initiation property of HDPE(high density polyethylene)pipe butt-fusion welded joint was investigated on the basis of Crack Opening Displacement(COD).
以裂纹张开位移(crack open ing d isp lacem ent)特征值参量为基础,对国内燃气工业中应用日益普及的高密度聚乙烯(HDPE)管道热熔对接接头的抗开裂特性参量的分散性及统计分布进行了研究。
In this paper, the statistic distribution of the resistance to initiation property of HDPE pipe butt-fusion welded joint was conducted on the basis of Crack Opening Displacement.
以裂纹张开位移特征值参量为基础,对我国燃气工业中应用日益普及的高密度聚乙烯(HDPE)管道热熔对接接头的抗开裂特性参量的分散性及统计分布进行了研究。
Thereford, the butt fusion welding machine based on 80C196 chip microprocessor is developed by Tianjin University.
研制了基于80C196单片机控制的塑料压力管道热熔对接焊机。
Therefore, the automatic butt fusion welding machine based on 80C196 chip microcomputer is developed.
本文还分析了塑料压力管道热熔对接焊的基本原理 ,并详细地介绍了热熔对接焊机的基本组成部分以及各部分的主要功能和实现方法。
Development of Inductive Heater in Butt-fusion Welding Machine for Pressurized Plastic Pipes;
塑料压力管道热熔对接焊机感应加热板的研制
The Discuss of PE Pipe-Melting Application to Jointing Technology;
论PE管热熔对焊接施工技术的应用
Effect of Butt Fusion Welding Beads on Tensile Properties of Polyethylene Pipes
聚乙烯管道热熔接头卷边对拉伸性能的影响
contact heat thermosol unit
接触式热熔染色装置
Welding parameter.( Reference values for electric socket welding-welding time and cooling time.
熔接参数(考数值为电承插热熔，热熔时间和冷却时间.
These alloys weld at different heats.
这些合金可在不同的温度 [热度] 熔接。
Study on fusion splicing offset of photonic crystal fibers
光子晶体光纤熔接热源偏移量的研究
The melting welding would result in the thermal crack and cannot be used to bond the big and bended parts due to the low welding depth.
铍的熔化焊由于热影响区对热特别敏感及焊接裂纹等而存在很大困难。
Afterwards clean the welding areas( both pipe and socket) with acetone( or similar) and with fluffless paper.
然后清洁需要熔接处（括管材和热熔套接）用丙酮或其它类似物品.
Afterwards clean the welding areas (both pipe and socket ) with acetone (or similar) and with fluffless paper.
然后清洁需要熔接处（包括管材和热熔套接），用丙酮或其它类似物品.
heat fusion press
热熔转印机，热熔压烫机
The product is compatible with pad-dyeing hot melt process, high temperature-pressure dip-dyeing process and low temperature adsorbing and fixing dip-dyeing process.
本品对轧染热熔法、高温热熔法侵染、低温吸附固着法侵染都很适用。
Modeling of Heat Conduction in Thermoplastic Honeycomb Core/Face Sheet Fusion Bonding
热塑性蜂窝面/芯热熔焊接过程中的热传导模型计算(英文)
Analysis of Droplet Transfer Behavior in CO_2 Laser-MIG Hybrid Welding Process;
CO_2激光-MIG复合热源焊接熔滴过渡的行为分析
Research on Removing Fusion Line with Hot Runner Multi-gates Sequence Control;
热流道多浇口顺序控制消除熔接痕的研究
Studies on Improving Weld Lines in Molded Parts by Exploiting Sequential Injection Molding
热流道顺序注塑成型工艺改善制品熔接痕研究
Numerical Simulation of Phase-Transition Heat Transfer and Fluid Dynamic Characteristic in Welding Pool
焊接熔池相变传热特性及流体动力学分析
Research on Fusion-Brazing Joining between Aluminum and Steel by Laser-MIG Hybrid Welding
铝/钢激光-MIG复合热源熔-钎连接试验研究