本文研究了管子钳活动钳口断裂现象。
The fracture of follower tongs holder of pipe pliers is analyzed.
断线钳系列、管子钳系列、索具链条系列等。
The leading products include wire breaking pliers series, pipe pliers series, and link chain series etc.
对管子钳钳口的锻模进行了分析改进，将整体式锻模改为拼装式锻模。
The forging die of adjustable pliers has been analysed and improved from integral die to inserted type die which is convenient in striking and assembling and its pack-age is easy to be changed.
企业主要生产断线钳、管子钳、掳手极其它管道工具的系列产品，其中管子钳生产规模居全国同行之首位。
The enterprise mainly manufactures bolt cutters, pipe wrenches, captive hand tools most other pipeline products, including pipe clamp production scale ranks first in the country counterparts.
结果表明，断裂是由于热处理工艺不当、管子钳活动钳口齿部、螺纹部以及螺纹和齿部的过渡连接部分硬度过高引起；
The results show that the fracture may be due to improper heat treatment which leads to over hardness of the thread part and the joint of thread part and tooth part.
钻工取下安全弹簧和大钳销子换上合适尺寸的钳头以匹配钻杆或管子的尺寸。
The Floormen remove the safety latch springs and the tong pins and change the tong jaws to match the size of the pipe or tubular to be made up.
管钳不能用于蹩、撬或台管子。
Pipe wrenches should not supply to curve, raise or lift pipe.
管钳不能用于蹩、撬或台管子。
Pipe wrenches should not supply to curve, raise or lift pipe.
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