Product performance and a brief description of the chamfering tool is dedicated railway rail drilling after chamfering deburring, on the rail fracture prevention is essential and beneficial to mounting bolts. The chamfer reasonable structure, easy to use, effortless operation and long tool life. Remove the use of a chamfer, a screw on the handle; 2 chamfering device after heart axial tension, the head of the three jaws indent: 3 chamfer is inserted into the head rail hole hard. Push spindle handball, three jaws open to expansion card chamfer on the rail; 4 reciprocating lever handle, making an acute angle reamer to remove the hole to the right size; 5 axially outer pull out the heart, chamfering will take off together. Scope 1 chamfered hole diameter:. Φ31 --- Φ32 2 chamfer dimension:. 1 × 45 ° 2.5 × 45 ° 3 Scope of application:.. 43Kg / m 50kg / m 60mg / m rail Notes 1 cutting force The size is determined by the size of the spring force. When the cutting knife to eat the amount of inappropriate, can be adjusted gland. Cutting depth is not too large, so as not to damage the tool. 2 each chamfer is promptly cleaned after use. If long-term storage should be oiled to prevent corrosion.