With the rapid growth of economy, the growing demand for metal mineral resources. In metal after the mining of mineral resources to roadway advance deposit has been the key of the mining operation. In roadway homework to use appropriate drilling harvesters,

The drill jumbos common faults and fault reasons and troubleshooting methods are introduced mainly．Through the analysis and discussion common faults and fault reasons and troubleshooting methods，solve the common fault about drill jumbos．

Brand : EPIROC
Part No. : 0335217300
Description : Circlip
Use in : Boltec 235 , Boltec 235h , Boltec Lc , Boltec Md , Boomer 281 , Boomer 282 , Boomer L2d , Boomer M2d , Boomer Xe3 , Cop 1238k , Cop 1440 , Cop 1532 , Cop 1638 , Cop 1638hd , Cop 1638hd+ , Cop 1838 , Cop 1838+ , Cop 1838cr ...

The paper outlines the development of furnace-tapping hydaulic rock drills in china , and lists names of 11 companies making furnace-tapping hydraulic rock drills. In addition, it discribes the models,features, specifications and appearances of hydraulic rock drills from respective makers.

The paper looked hark on the historical couise of research and development of hydraulic rock drills in China and pointed that current situation of hydraulic rock drills was less optimal in China. It also listed models of hydraulic rock drills and manufactures producing them in China and collected

This article analyses the problem of excessively high temperature caused by environment tem¬perature of BM281 drilling machine hydraulic oil, solves this problem by improving performance of hy¬draulic oil cooling system, obtains remarkable economic benefits.

This text introduced the basic requestion of the hydraulic oil of drilling jumbo, and introduced the selection of hy¬draulic oil. Also, this text analyzed the contaminative approach of hydraulic oil, and advanced the measure of the prevent Hydraulic oil pollution.

Brand : FURUKAWA
Part No. : Hd709-02202
Description : Front Bush
Use in : Hd 709

The paper analyzed and commented the actuality and development trend of cemented carbide for rock drilling applications at home and abroad. With the progress of the technology and equipments for produc¬ing cemented carbide, the quality of homemade cemented carbide is gradually close to international

For accelerating the construction speed of Tianxing iron mine and completing the project on time, high efficiency jumbo is planned to be used for mine development. Furthermore, operator can control the jumbo under FOPS canopy which can guarantee the operator safety.