2、

The working characteristic of wire rope for well drilling, and the use conditions, structure, specification and production technology requirements of large diameter wire ropes for drill oil derrick base rising are analyzed.

分析钻井用钢丝绳的工作特点,钻机井架底座起升用粗直径钢丝绳的使用工况条件、结构、规格和生产技术要求;

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3、
5、

The laying quality of wire rope can be improved by means of controlling the diameter of rope core, lay length ratio of all lay strands, parameters of preforming and postforming, adjusting the structure of wire rope in the course of practice production.

在实际生产过程中,通过控制绳芯直径、各层绳股的捻距配比、预变形和后变形等工艺参数以及调整钢丝绳结构等方法提高钢丝绳的捻制质量。

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6、

Revising National Standard of Steel Wire Rope with Large Diameter

《粗直径钢丝绳》国家标准的修订

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7、

Calculated diameter of core wire in wire rope with single strand, show to ensure quality of wire diameter and stranding all up to standard, diameter of outer wire and core wire must be controled at the same time.

对单股钢丝绳中心钢丝直径进行了计算,指出要保证绳径及捻制质量均合格,必须同时控制外层钢丝直径及中心钢线直径。

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8、
9、

Points out that using wire rope as main span wire is of great limitations in suspension crossing design and high-strength steel wire of parallel bunch as main span wire is imperative to large pipe diameter and large span suspension crossing engineering.

指出在悬索跨越设计中用钢丝绳作主索的局限性很大,而对大管径、大跨度悬索跨越工程采用高强钢丝平行束作为主索势在必行。

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