Dth Drilling Tools - China Manufacturers, Factory, Suppliers

Dth Drilling Tools, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Troubleshooting and handling of air-leg rock drills(YT27、YT28、YT29a、S250、S82)

Troubleshooting of rock drills Common faults and treatment methods of air-leg rock drills Fault 1: The rock drilling speed is reduced (1) Causes of failure: First, the working air pressure is low; ...
Introduction of hand-held rock drill

The hand-held rock drill was introduced by Ingersoll-RandCo. in 1912. According to the power form, it is divided into four categories: pneumatic, hydraulic, electric and internal combustion drive. ...
The working principle of the rock drill

The rock drill works according to the principle of impact crushing. When working, the piston makes high-frequency reciprocating motion, constantly impacting the shank. Under the action of the impac...
Operating Precautions for Rock Drill Operators

1. Operate pneumatic rock drills workers,Before going down the well must wear good personal labor protection equipment. 2. Arriving at the workplace, first check the processing, knocking on the ro...
What are the proper steps to use a drill?

1. For the newly purchased rock drill, due to the protection measures of packaging, there will be some anti-rust grease inside. Be sure to disassemble and remove it before use, and smear lubricant ...
Ministry of Commerce: China ranks first!

On the morning of August 23, the State Council Information Office held a press conference. Minister of Commerce Wang Wentao, Vice Minister and Deputy Representative of International Trade Negotiati...