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Installation and operation rules of pile driver
A pile driver is a commonly used pile machine with a wide range of uses. So, what is the operating procedure for its installation? The following Hengwang drilling rig will tell you about it. 1. The operator of the pile driver must be familia ...
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Engineering knowledge: two technical methods to improve the bearing capacity of rotary excavation pil
At present, the commonly used technical methods to improve the vertical bearing capacity of cast-in-place piles include bottom expansion method and post-grouting method of bored cast-in-place piles. 1.Bottom drilling method In the same form ...
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How to avoid the derailment of the crawler chain of the rotary drilling rig?
For rig operators, track de-chaining is a frequent problem. For drilling rigs, occasional disconnection is unavoidable, because the working environment is relatively harsh, and the crawler tracks enter soil or stones will lead to disconnect ...
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Two technical methods for improving bearing capacity of rotary excavated piles
At present, the commonly used technical methods to improve the vertical bearing capacity of cast-in-place piles include bottom expansion method and post-grouting method of bored cast-in-place piles. Bottom drilling method In the same formati ...
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Why are pneumatic drilling rigs the most efficient?
The biggest difference between pneumatic drilling rigs and ordinary drilling rigs is the drilling method. Ordinary drilling rigs usually use rotary drilling, that is, relying on the rotation of the power head to drive the drill pipe and dril ...
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How to use the new water well drilling rig?
The newly purchased water well drilling rig generally needs to go through a running-in period of 60 hours. A water well drilling rig in the break-in period has the following characteristics: 1. Fast wear and tear 2. Poor lubrication 3. Easy ...
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Shandong Hengwang Group Wishes You and Yours A Happy New Year!
In the Spring Festival Tiger new year of China, we sincerely thanks for your support in 2021 and hope we have good cooperation in 2022 and in near future. Please give my best wishes to you and your family. hope everything is going well on y ...
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New Year Blesses From Hengwang Group
Dear Friend, All group members of Hengwang thank you very much for your support and trust in 2021. Hope we have long term and good cooperation in 2022. Merry christmas and coming new year bring happiness and health to you and your family. S ...
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A Letter To The Customer From Hengwang Group
Dear Friend, All group members of Hengwang thank you very much for your support and trust in 2021. Hope we have long term and good cooperation in 2022. Merry christmas and coming new year bring happiness and health to you and your family. S ...
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happy! Thanksgiving!
Dear This Thanksgiving, I’m thankful to have you as a client. Working with you has been a true pleasure, and I can only hope our relationship continues for many years. May you have a wonderful Thanksgiving surrounded by family and friends. ...
Shandong Hengwang Group Co., Ltd.
