Rail grinding machine
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rail grinder
- Models: GM, NCM, NXG, NGM, SNGM, etc.
- Types: gas/electric/ Lithium battery rail grinding machine
As an indispensable tool in railway maintenance, rail grinding machine plays an important role. In the railway system, the rail is a key part of the infrastructure, and its surface state is directly related to the safety, comfort and service life of the railway operation. With the increase of railway traffic and the improvement of operation speed, the rail will have different degrees of wear and deformation during long-term use, which will affect the running quality of the train and may even cause safety accidents. Therefore, regular inspection and maintenance of the rail becomes essential.
AGICO Rail is a China manufacturer of railway track maintenance equipment, supplys rail grinding machine, rail tamping machine, rail lifting and lining equipment, rail drilling machine, rail cutting machine, rail tensor, rail bender, and etc. We develop and manufacture rail grinding machine(rail grinder), with its excellent technical performance, is widely used in the field of railway construction and railway railroad maintenance around the world.
Rail grinding machine for sale
DGM rail switch grinding machine
DGM-2.21 multi-function switch rail grinding machine can eliminate or repair the rail damage of the weak part of the track in time, mainly for the repair of the fat edge, profile and reduced value of the sharp rail, movable core rail and wing rail with a section width below 50mm. It is a small mobile sharp rail grinding product. The utility model has the advantages of small size, easy operation, high grinding efficiency and can meet the requirements of grinding quality.

- Gasoline engine power:2.2KW
- Gasoline engine speed: 8500r/min
- Speed of mainshaft: 5500R/min
- Line speed of bowl wheel: ≤60m/s
- Machine weight: ≤22kg
GYM Lithium Battery Rail Grinding Machine

GYM uses zero gravity, lithium battery as power source design, workers more easily operated. It is suitable for grinding before welding in railway laying, subway maintenance operations and grinding before construction of bonded insulated rail joints. The rail grinding machine uses lithium battery as power source, and no generator is required for operation.
NGM-4.8 type internal combustion rail grinding machine
NGM-4.8 type internal combustion copying rail grinding machine is suitable for 43kg/ M-75kg /m rail weld, uneven joint, rail side fat edge, rail surface welding repair and other parts of grinding, with high efficiency, good grinding quality, easy operation, easy access and so on.

- Speed: ≥3600r/min
- Speed of mainshaft: 4500r/min
- Grinding head tilt angle: 90°
- Grinding head travel: 45mm
- Machine weight: 90kg
GM rail grinding machine
GM rail grinding machine is an electric grinding machine, suitable for 43kg/ M-75kg /m rail weld, uneven joint, rail side fat edge, rail surface welding repair and other parts of the grinding.

- Speed of rotor: 2840r/min
- Power: 2.2KW
- Spindle revolution: 3700r/min
- Roller span: 1000mm
- Machine weight: 70kg
NGYM rail grinding machine

It is suitable for grinding before welding in railway laying and subway maintenance operations and grinding before construction of bonded insulated joints. It is one of the most workload tasks in railway rail welding. According to the specific technical requirements of rail waist grinding, it is suitable for various specifications of 50kg/ M-75kg /m rail.
NCM rail grinding machine
NCM-411 internal combustion path grinding machine is mainly used to polish the sharp rail, frog center rail, top surface and side fat edge of the rail switch, and can also polish the top surface and side fat edge of various types of rail. Superior performance, reasonable structure, reliable quality, time-saving and labor-saving, it is an essential tool for the maintenance of lines in the public works department.

- Speed of gasoline: 3600r/min
- Power: 4.8KW
- Universal flat grinding wheel: Φ250xΦ32x32
- Grinding vertical stroke: 170mm
- Machine weight: 114kg
SNGM rail grinding machine
SNGM-180 multi-functional portable rail grinding machine is suitable for all types of rail grinding treatment, but also for rail joint grinding, its small size, flexible and portable, simple operation, high grinding efficiency, easy to carry, easy maintenance and repair, but also suitable for other occasions.

- Internal combustion engine power: 1.42kw
- speed: ≥7500r/min
- Grinding wheel linear speed: ≥70m/s
- speed of mainshaft: ≥5470r/min
- Machine weight: 7kg
Advantages of rail grinding machine
- Grinding width
- Grinding head speed and grinding depth
- Working efficiency
- Weight and mobility
Applications of rail grinding machine
The application field of rail grinding machine is very wide, mainly covering the following important areas:
- High-speed railway: The rail of high-speed railway is prone to irregular wear and cracks under long-term high-speed operation, so regular grinding and repair is an important measure to ensure the safety of train operation. High-speed railway line maintenance requires efficient and high-precision grinding operations of rail sanders to ensure the flatness and stability of the track.
- Urban rail transit: In urban rail transit, due to the large traffic density, the degree of rail wear is relatively high. The rail grinding machine can effectively eliminate the small defects and unevenness of the track surface, and avoid affecting the operation comfort of the subway and light rail.
- Mining area railway: mining area railway is usually faced with the use of high-load, low-quality track, rail grinding machine is often used for daily track maintenance, reduce track failures, improve transportation efficiency.
- Freight rail: For freight rail, due to carrying a large amount of cargo for a long time, the rail will be subjected to different degrees of impact and wear. The regular use of rail sander can reduce maintenance costs and extend the service life of the track.
Why choose AGICO Rail?
As the world’s leading manufacturer of railway maintenance equipment, we have accumulated a wealth of experience and technical advantages in the production and technological innovation of rail grinding machines:
- Manufacturing process: Our rail sander adopts advanced CNC machining technology, and all key components are processed by high-precision equipment, ensuring that each equipment has a high degree of reliability and consistency.
- Quality management system: The company strictly implements the ISO 9001 international quality management system standard and has passed the CE certification to ensure that every rail sander has passed strict testing and quality inspection before leaving the factory.
- Research and development capability: The company has a research and development team composed of experienced engineers, committed to product technology upgrade and innovation. We continue to introduce more efficient and environmentally friendly rail grinding solutions according to market needs and technological developments.

AGICO Rail is equipped with more than 100 sets of advanced production and testing equipment, including vertical milling machining center, CNC lathes, CNC cutting, turning, iron, planing, grinding, inserting, punching, pressing, welding, testing and other processing equipment.











