矿用圆环链弯曲点是应力集中点，肩部断裂发生于该点附近。
The bending point of steel chains for mining is the center of stress, at which the shoulder fracture always occurs.
本文对矿用圆环链临焊缝部位在焊接过程中产生的裂纹进行了分析。
There are two types of cracks in the area next to weld seam of annular chains for mining during welding process, ie, teared type and punctured type cracks.
研究了新型准贝氏体钢制造的矿用圆环链闪光对焊焊缝的组织与性能。
Studied the joint structure and properties of flash butt welding to mining chains round made of new type meta-bainite steel.
圆环链刮板输送机的圆环链和刮板的消耗是该机运行中最主要的材料消耗。
The consuming of the circle chains and scrapers is a main consuming when the circle chain scraper conveyor is operated.
井下工作面圆环链主要是采用手工锯断或在加强通风条件下利用火焰割断。
At present, circle chain sawed adopts handwork and cutoff by flame under augmenting ventilation in coal work face of our country.
圆环链适用于煤矿刮板输送机、刨煤机、滚筒采煤机及其它机械牵引链等。
Ring chain is applicable to coal mine scraper conveyor, plough, drum shearer and other mechanical traction chain, etc.
结果表明，采用红外线在线测温后，矿用高强度圆环链热处理后的合格率明显提高。
The results show that the qualification rate of the high-strength steel round link chains for mining was obviously raised after heat treatment by using on-line infrared temperature measurement system.
经研究发现圆环链的失效，主要是由于圆环链受到腐蚀性介质的腐蚀，而引起的失效。
The study found that round ring chain failures, mainly due to round ring chain by corrosive medium corrosion, caused the failures.
对圆环链母材进行理化检测，证明化学成分和各项力学性能指标均符合要求，只有常温冲击韧性不符合要求。
After chemical and physical test, on conveyor chain material, it is concluded that the composition and various mechanical properties can meet the standard, except impact toughness at room temperature.
对圆环链母材进行理化检测，证明化学成分和各项力学性能指标均符合要求，只有常温冲击韧性不符合要求。
After chemical and physical test, on conveyor chain material, it is concluded that the composition and various mechanical properties can meet the standard, except impact toughness at room temperature.
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