1200mm Diameter Double Layer Roller Bit Core Barrel

Steel Double Layer Core Drill Barrel Harder Bedrock Formation

Description

It is difficult to drill directly with auger bits or rotary drill bits for relatively hard bedrock formations, large boulder layers and hard permafrost layers, and it is necessary to drill with a cylindrical ring bit with auger bits and bailing bits.
The structural features and principles of the coring ring barrel bit: the bucket body is divided into two layers: the inner tube and the outer tube, the outer tube is welded with main cutting teeth, the inner tube is welded with auxiliary cutting teeth, and the lower end of the inner tube is equipped with a hinge supporting the core sheet.

Quality Control

A good production project starts from supply for raw material; the skills and the human resources are the “treasure” of our company. The products begins to develop a precise structure, a strong aptitude for technological innovation, the enhancement of human capabilities, upgrading and international. The team today is a very dynamic group, consolidated in the wide range of products and constantly looking for new solutions to the increasingly complex challenges faced by civil engineering worldwide.

FAQ

1. What is your package?
Generally, Can provide film, wooden box, iron frame support If you have special requirement for package, please tell us.

2. How about your delivery time?
Generally, it will take 7 to 15 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

3. Can you produce according to the samples?
Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures!

4.What is the quality control for your products?
All of our production is in lines of API rules and ISO9001:2015 strictly, from signing contract, to raw materials, to each production process, to product finish, to after-sale service, each process and section are in accordant with standard.

Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd.: Mainly produces rotary drill pipes, full follow-up casings, pipe jacking machines, pipe rolling machines and various casings in the full-rotation industry. Chengdu, Guiyang branch company mainly sells and maintains a series of drilling tools and drill pipes.

Tianjin Jinyiyuan Heavy Machinery Manufacturing Co., Ltd. is affiliated to Langfang Yilunkai Group Company. Langfang Yilunkai Group Co., Ltd. was established in July 2006 (its predecessor was Quansheng Machinery Processing Factory and was founded in 1992). It has 3 subsidiaries, 2 branches, 2 offices, and a total registered capital of 5000 Ten thousand yuan. The company has 718 employees, including 89 professional and technical personnel and 48 senior titles. The company has a large number of advanced production equipment, has a strong production flow and strong foundation construction capabilities, the current production and operation of fixed assets have reached 1.2 billion yuan.

The company's main business:

1. Rotary drilling tools series.

2. Follow up with casing and punching grab series.

3. Rotating drill pipe series. The company adheres to the concept of "quality first, reputation first, customer first", scientific management, standardized operation, continuous improvement, and customer satisfaction.