| 摘要 |
PROBLEM TO BE SOLVED: To provide a soldering gun which has a heater having a large heat capacity, and has excellent responsibility in heating control, and has a structure of rational design. SOLUTION: A double heater type soldering gun comprises a first heater 11 for heating a gun bit 8 on the outer periphery of its barrel portion 8a, a second heater 12 which is inserted into the heater inserting hole 10 of the gun bit 8 and heats a gun tip 8b from inside, a first temperature sensor 13 for detecting the temperature of the surface of the gun bit 8, and a second temperature sensor 14 for detecting the temperature of the inside of the gun tip 8b, wherein the temperatures of both heaters 11, 12 are independently controlled based on the detected temperatures by the temperature sensors 13, 14 and the set temperatures. COPYRIGHT: (C)2007,JPO&INPIT
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