Railway rail grinding machine

The MNG-4.8 internal combustion profile grinding machine is a specialized tool developed by the Chinese Academy of Railway Sciences for grinding the top, side, and arc parts of steel rails. It is suitable for profile grinding of 43-75 kg/m steel rail welds, uneven joints, rail side flash, rail surface welding repair, and other parts. Easy to operate, high work efficiency, good grinding quality, convenient up and down the track, which can meet the insulation requirements of track circuits

NCM-4 Internal Combustion Turnout Polishing Machine
The NCM-4 internal combustion turnout polishing machine is mainly used to polish the top and side fat edges of the switch rail, frog center rail, wing rail, and various types of steel rail top and side fat edges. Excellent performance, reasonable structure, reliable quality, time-saving and labor-saving, it is an essential tool for the maintenance of railway lines in the engineering department.

NCM-4 II Internal Combustion Turnout Polishing Machine
The NCM-4 II internal combustion turnout polishing machine is mainly used to polish the top and side fat edges of the switch rail, frog center rail, wing rail, and various types of steel rail top and side fat edges. Excellent performance, reasonable structure, reliable quality, time-saving and labor-saving, it is an essential tool for the maintenance of railway lines in the engineering department.

NCJM-2.8 Internal Combustion Turnout Rail Surface Polishing Machine
This machine is mainly used for grinding and repairing the pressure feed, vertical grinding, and falling blocks of the frog center rail and wing rail, as well as for grinding and repairing the point rail tip, stock rail end falling blocks, and parts with reduced values that do not meet the standards. The machine can achieve precise control in both lifting and horizontal movement, achieving precise polishing with reliable polishing quality, especially suitable for polishing ordinary railway lines and high-speed railway lines.
The machine has a lightweight structure and can be operated by a single person after being lifted onto the road. It is equipped with insulation and protective devices, ensuring safe construction and high work efficiency.

NDJM-5.5 internal combustion multifunctional integrated precision grinding machine
Purpose and characteristics
This machine is mainly used for polishing the shape of the main line rail surface, the top surface of the turnout rail, wing rails, welding joints, fertilizer edges, and non acting edges of the switch rail. It has the characteristic of multiple functions. The machine can achieve precise control of lifting, rotating, and lateral movement, with high work efficiency, reliable polishing quality, and wide application range. It is an ideal precision polishing tool for high-speed rail and ordinary lines.

NYM-2.8 Internal Combustion Wing Rail Grinder
The NYM-2.8 internal combustion wing rail grinding machine is used for grinding and repairing the flatness of top surface turnout sections of various rail shapes. This machine can be operated by a single person, making it easy to go up and down the track, with high work efficiency, flexible angle adjustment, and precise and reliable feeding. It is an ideal product for trimming various rail surfaces.

NXD-4 Internal Combustion Rail Rust Remover
The NXD-4 internal combustion rail rust removal machine is suitable for various types of rail surface rust removal operations, and can also install grinding wheels to achieve rail top grinding operations. Special equipment for solving the problem of poor track shunting. The quality meets the requirements of railway industry standards. It is a necessary equipment for railway maintenance, repair, and emergency repair operations in the railway engineering department. This machine has the characteristics of reasonable design, compact structure, easy operation, flexible up and down routes, easy movement, safe use, wide application range, and multiple uses for one machine.

SNGM-180 Portable Internal Combustion Rail Grinder
The SNGM-180 portable internal combustion rail grinding machine is suitable for all-round grinding of various types of rails. It is small in size, flexible and lightweight, easy to operate, high in grinding efficiency, easy to carry, simple and fast in maintenance and repair, and also suitable for other occasions.

NDM-1.4 Internal Combustion Face Grinder
The NDM-1.4 internal combustion end face grinding machine is suitable for grinding the steel rail end face and is also a supporting product of small mobile gas pressure welding equipment. It is easy to install, operate, and has high grinding efficiency, ensuring the quality requirements of welded steel rail end faces.

DDM-2.2 Electric Rail Grinding
The DDM-2.2 electric rail grinding machine is suitable for grinding 43kg/m-75kg/m rail welds, uneven joints, rail side edges, rail surface welding repairs, and other parts. It has the advantages of high work efficiency, good grinding quality, easy operation, and easy access to and from the track, and is an essential tool for railway maintenance, overhaul, and emergency repair.

DGM-2.2 Electric Grinding Machine
The DGM-2.2 electric rail grinder is suitable for grinding 43kg/m-75kg/m rail welds, uneven joints, rail side edges, rail surface welding repairs, and other parts. It has the advantages of high work efficiency, good grinding quality, easy operation, and easy access to and from the track, and is an essential tool for railway maintenance, overhaul, and emergency repair.

Handheld straight grinding machine