Method for setting temperature of electric soldering iron
A technology of setting temperature and electric soldering iron, applied in soldering iron, welding equipment, metal processing equipment and other directions, can solve the problem that the temperature cannot be set accurately, cannot reflect the influence of the temperature of the soldering iron on the pad, and cannot fully reflect the temperature performance of the electric soldering iron, etc. problem, to achieve accurate and scientific effect of temperature determination
Inactive Publication Date: 2012-07-18
GUANGZHOU HONGYU SCI & TECH
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Problems solved by technology
This cannot fully reflect the temperature performance of the electric soldering iron, and it cannot reflect the influence of the size of the pad and the size of the grounding area on the temperature of the electric soldering iron, so that the appropriate temperature cannot be accurately set
Method used
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Embodiment Construction
[0023] The method for determining the temperature of the electric soldering iron of the present invention will be further described below in conjunction with the implementation examples.
[0024] (1) Select the electric soldering iron and soldering iron tip: the optional electric soldering iron must have a temperature adjustment function; drill through holes at the tip position 2 of the soldering iron tip 1 and the rear position 3 of the front end of the soldering iron tip, and the positions of the through holes are respectively called For points B and C, install the thermocouple of the temperature tester at the through hole ( figure 1 ); Then turn on the temperature tester and weld a solder joint, the temperature tester will collect continuous temperature data, after the welding is completed, derive the temperature-time graph of point B and point C of the soldering iron tip from the temperature tester ( figure 2 ). The closer the temperature curves of point B and point C ar...
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The invention discloses a method for setting the temperature of electric soldering iron, which is characterized by comprising the following steps of: selecting the electric soldering iron and a soldering bit; determining a predetermined temperature T0, soldering a plurality of identical solder joints on a printed board by using the electric soldering iron, simultaneously collecting the temperature data of the tip A of the soldering bit by using a temperature tester, deriving a temperature-time curve and then computing an average temperature value T1 of sections with relatively more stable temperatures; and computing the set temperature of the electric soldering iron according to the formula T=MP+40+(T0-T1), wherein MP is a fusion point of a soldering flux. In the method, temperature differences of the electric soldering iron in an off-working state and a working state are taken into account, so the temperature of the electric soldering iron can be set more accurately and scientifically.
Description
technical field [0001] The invention relates to a method for setting the temperature of an electric soldering iron, in particular to a temperature-adjustable electric soldering iron for soldering in the field of electronic assembly. Background technique [0002] In the field of electronic assembly, manual soldering or rework with electric soldering iron is necessary, especially with the promotion of lead-free. In the manual soldering process, it is particularly important to measure and adjust the temperature of the electric soldering iron. In the past, it was usually only to measure the temperature of the tip of the soldering iron tip, and then set it according to relevant standards. This cannot fully reflect the temperature performance of the electric soldering iron, and it cannot reflect the influence of the size of the pad and its grounding area on the temperature of the electric soldering iron, so that the appropriate temperature cannot be accurately set. Contents of t...
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IPC IPC(8): B23K3/03
Inventor 宋嘉宁黎海金付鑫
Owner GUANGZHOU HONGYU SCI & TECH