Rotary drilling RIGS can be divided into four drilling methods according to geological conditions: cutting, crushing, flipping and grinding.1, cutting type: cutting drilling using bucket teeth, the use of double bottom dredging bucket with friction drill pipe, drilling more stable resistance of the Read More

Shanghai Jintai Engineering Machinery Co.,Ltd was founded in 1921 and has a history of one hundred years. The company‘s predecessor was Shanghai Prospecting Machinery Factory directly under the Ministry of Geology. It is a professional enterprise in the research and development and manufacture o Read More

Due to the complexity of construction technology, the final pile quality may be affected by various visible or invisible factors. In order to ensure the quality of the whole pile foundation engineering meets the design requirements, it is very important to prevent and deal with the common quality pr Read More

Today, I will share with you the selection of rotary drilling rig and tell you what type of rotary drilling rig is used for what pile hole.Factors affecting the selection of rotary drilling rig are: pile length, pile diameter, geology and special pile type, pile hole size, depth, geology is simple, Read More

Rotary digging is the most widely used construction method of bored pile. Rotary drilling rig uses telescopic drill pipe to drive rotary short auger bit, drill bucket or other operating devices to make holes, just like chefs to use different knives to deal with different ingredients, rotary diggin Read More