Portable Rock Drilling Machines - Manufacturers, Suppliers, Factory from China

Portable Rock Drilling Machines, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Introduction of air-leg rock drill

The air-leg rock drill relies on compressed air to drive the piston to reciprocate. During the stroke, the piston strikes the shank tail, and during the return stroke, the piston drives the drill t...
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. ...
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...
Application knowledge of pneumatic pick

The pneumatic pick is a kind of hand-held machine, the pneumatic pick is composed of the distribution mechanism, the impact mechanism and the pick rod. Therefore, the requirements of compact struct...
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; ...
Notes on deep water well drilling rigs

The following points should be paid attention to during the construction of the deepwater good drilling rig: 1. Scrub the outer surface of the drilling rig, and pay attention to the cleaning and ex...