Rail Grinding Equipment

GM-2.2 Electric rail grinding machine is applicable to BS100,54E1, UIC60 rails. It can grind the uneven surface, fat side, rail welding joint and so on.With high working efficiency, good quality of grinding, easy operation, convenient to put it up and down, so that it is the essential tool for railway maintenance department.

Main Technical Parameters

1.Motor：

Model: Y2-90L-2

Voltage：380V single phase

Revolution：2840r/min

Power：2.2kW

2. Grinding Wheel:

Bolt fastened grinding wheel：∮150×70×∮55mm

3. Spindle speed：2840r/min

4. Wheel distance：1000mm

5. Wheel stroke: 50mm

6. Machine Weight：64kg

7. Dimension： 1500mm×630mm×760mm

Usage and Maintenance

1. Preparation before Operation:

1.1 Before operation, operators shall be familiar with the structure, technical performance, working principle, use method and safety rules of the machine according to the requirements of this manual.

1.2. Machine body preparation: Fasteners shall be fastened, moving parts shall be flexible, and proper amount of lubricating grease (yellow dry oil) shall be injected into oil filling cup.

1.3. No load operation: No load operation for 5 minutes, check whether there is any abnormality in all parts of the machine body, especially after replacing a new grinding wheel, check carefully.

2. Grinding Operation:

2.1 Place the grinder on the pre polished rail, press the power switch, start the motor, turn the vertical feed handle anticlockwise, so that the grinding wheel does not contact the pre polished rail surface, and the grinding wheel rotates without load.

2.2. Turn the vertical feeding handle clockwise evenly to move the grinding wheel to the top of the rail until there is a spark on the top of the rail to be polished. At the same time, pull the handle. When the horizontal roller is close to the top of the rail, make the body move back and forth along the rail, with the moving range of about 800mm.

2.3. Evenly control the feed rate of grinding wheel, generally within 0.2mm each time, check whether there are abnormalities and the thickness of grinding marks, and the polished rail surface shall not show blue or obvious scratches.

2.4 When the handle is pulled, the machine body shall be inclined to the inner side along the rail cross-section direction gradually. With the control of the guide roller of the grinder, the horizontal grinding range of the rail top shall be expanded, from the rail top line to the inner fillet of the rail head.

2.5 When grinding the inner side of the rail, make the grinder turn 90 ° along the rail cross-section to the inner side, and drive the grinder to repeatedly polish the inner side of the rail.

2.6 Turn the handle to make the grinding wheel back away from the contact state with the rail, turn off the power switch, stop the motor rotation, lift the grinder, rotate it 180 ° horizontally, place it on the rail, repeat the above actions, then polish the remaining part of the rail top surface and the outer side of the rail head until it reaches the standard requirements.

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