帕森斯链锁式和V型锁式接链环由于采用了针对平环和立环连接不同的个性化设计，从而保证得到了优良的机械性能和疲劳寿命，完全能够和D级链条配合使用。

Based on their different usage, Chain Lock and V lock are designed variously to maintain the optimized mechanical properties and work life, thus make it fit with the chain in G100(Grade D)。 

1、设计

接链环设计采用了先进的CAD设计软件，在制造之前就用有限元进行了全部的应力分析和优化设计。

1、 Research

All designs of chain connector are made by CAD; the infinity element are abstracted to have stress analysis and optimal study 。

2、原材料供应

所有原材料均在英国钢厂特殊定制，对合金成份和尺寸严格控制，保证了接链环产品能够经受最恶劣采煤环境的考验。此外对进厂的每一捆原材料都单独进行化验分析和理化检验，建立档案。

2、 Raw material supplying 

All the raw materials are specially purchased from England with careful choice, in which alloy properties and dimension are strictly controlled, so it is no doubt the chain connector can be used in rough condition. Each lot of raw material are through metallographic examination and labeled against their composition and physical appearance. 

3、锻造

锻造毛坯完全在英国premier stampings 锻造厂精密锻造，加热采用中频加热并红外测温监控，防止了锻造过程晶粒粗大和氧化脱碳。

3、 Forging

All the fined forgings are made in Premier Stampings, England, they are treated by means of intermediate frequency heating, The heating temperatures are controlled with infrared rays, this will help prevent rough grains and oxidized decarburization

加工完全采用了数控加工中心进行加工，每对半环一次装卡，一次加工成形，保证了装配尺寸的高度精确。

4、 Process

All the parts are through CNC machining, each half link are machined and formed only with one fixture and one time setting, therefore, the accurate dimension are realized by this way. 

5、热处理

热处理采用了易普森的可控气氛多用炉进行处理，保证了热处理过程的一致性和防止了热处理过程的氧化脱碳。

5、 Heat treatment 

Epson air controlled furnaces are employed to process the heat treatment to lead the consistent treatment result and avoid oxidized decarburization.

6、预拉伸

每个接链环在出厂前进行100%的2.5倍工作载荷试验和探伤检验，保证了使用过程的安全性。

6、 Pre-elongation

Each pair of chain connectors are tested with the load 2.5 times over its capacity-and have flaw detection to maintain its safety during their serving period.

7、质量档案

每个接链环都有自己唯一的标识码，能够追溯到每一个工序，并保存10年。

7、 Quality Archive

Each chain connector has their unique label which can be traced back to its any former manufacturing chapter.