By development roadway in non-coal mining deposits in the role of different, divided into main and auxiliary pioneering development roadway tunnel categories.
The wellbore for lifting ore and the flat and sloped roads for transporting ore are called main development lanes. In the non-coal mining, the auxiliary roadway, such as auxiliary shaft, wind shaft, filling well, bottom hole yard, Shimen and stage transportation lane, is called auxiliary auxiliary roadway.
The mineral deposit development method refers to the type of main development roadway that develops mineral deposits, which can be divided into two categories: single development method and joint development method. The single development method is to use a main development lane. The road is developed by the joint development method . The joint development method is to use two kinds of main development roadways to develop mineral deposits. Usually, the shallow part of the deposit is developed with a main development roadway, and the other part is developed with another main development roadway.
Steel Flat Cross Arm Braces
1.Cross arm is an important part of the tower, its role is to install insulators and fittings, to support the wire, grounding wire, and make it as required to maintain a safe distance.
2. The full set can be with bolt and nut,etc.
3. Technical requirements:
4. Auto-cutter & puncher
5. No crack and No zinc leakage.
6. The zinc coating average thickness is 86 micron, can be up to >100 micron, or as your requirement.
7. All types and specifications is available.
8. Accept custimized types and sizes.
Steel Flat Cross Arm Braces,Galvanized Flat Steel Cross Arm Brace,Galvanized Steel Cross Arm,Cross Arm V Braces
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