• NGM-4.8II SCM control Intelligent Profiling Rail Grinding Machine

NGM-4.8II SCM control Intelligent Profiling Rail Grinding Machine

NGM-4.8II Petrol Engine "Intelligent“ Profiling Rail Grinding Machine mainly used for grinding welded joints, rolling burr, rail surface repair etc railway track maintenance construction.

Product Details

Quick Details


  • Place of Origin: Henan, China (Mainland)
  • Brand Name: Qiangli
  • Model Number: NGM-4.8II
  • After-sales Service Provided: No overseas service provided
  • Petrol engine: SCM control
  • LCD display: precise lower limit position
  • automatic cumulative operation: humanization control device
  • light: high efficient

NGM-4.8II Petrol Engine "Intelligent“ Profiling Rail Grinding Machine mainly used for grinding welded joints,  rolling burr, rail surface repair etc railway track maintenance construction. This machine realizes the intelligent  control of the grinding wheel feeding which simplifies the operation steps of construction operation, measurement etc and avoids "excessive grinding" problem during construction. The machine is with optimized structure design and humanized operation layout which make the operation easier, simpler, fast and efficient.


Main Technical Parameter:

1. Petrol Engine power:4.8kw/ 3600 rpm

2. Grinding wheel effective travel: 40 mm

3. Profiling wheel distance: 1010 mm

4. Profiling deflection angle: ±90°

5. Feeding accuracy of grinding wheel: 0.1~0.5(adjustable)

6. Working Temperature: -20 ℃~+70 ℃

7. Dimension (L×W×H): 1565×590×973 (mm)

8. Weight: 110 kg


Rail Grinding Machine

Company Profile

Henan Qiangli Machinery Co., Ltd. is a science and technology intensive enterprise integrating scientific research & development, production and sale of maintenance machinery of railway lines. Our company is located in the National Hi-Tech Industrial Development Zone, Zhengzhou City- the center of China railway network.

Since the establishment, we have stuck to the principles of high starting point, high level, high quality, and enjoying a high reputation in the field of railway maintenance equipment depending on high-quality products, reasonable prices, and sincere service.

Being innovation and people oriented, our company has paid great attention to the improvement of technological innovation ability and the building of quality guarantee system. We have formed a technical management team with the college professors and overseas doctors as backbone, and senior engineers with rich experience in practice and excellent graduates from domestically famous universities as main body. Besides, we have set up a perfect operational mechanism of enterprise management. What's more, we passed the authentication of ISO9001 Quality Management System Certification in 2002, were appraised as High-Tech Enterprise by Henan Province in 2004, and passed the CRCC certification for railway products by Ministry of Railways in 2008.

Our company has been devoted to the research & development of high-tech products with independent intellectual property rights. We obtained the national invention patents: Meta Bainited Steel (Patent No. ZL200510017523.8), and Meta Bainited Steel and application to railway industry) (Patent No. ZL200510017524.2). The continuously improved product quality makes it possible to provide dozens of advanced maintenance machines including 8 national patented products for the railway industry, such as NZG-31II internal-combustion rail drilling machine, NLB-600 internal-combustion bolt wrench, NQG-1250 internal-combustion rail cutter, and NGM-4.8 internal-combustion rail grinding machine. All the products have passed the evaluation of results and auditing of safe technology by Ministry of Railways, and have been made the key promotion by Ministry of Railways, winning favorable comments among customers of railway industry.

Relying on first-class products, service and credibility, we aim at satisfying the requirements of every customer.


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