The model was analyzed and established, then the formula of critical dimension was got, which was related to the temperature distribution of heater tip.
根据传热学建立了脉冲热压焊的焊咀温度分布模型，对该模型进行分析、计算，得到了焊咀端部温度分布是否分布均匀的临界尺寸公式。
Safety protection, energy save and extend heater life. Auto power cut-off under the circumstances of standby for 30 minutes, failure of temperature test, PCB, heating element and low tip temperature.
当30分钟闲置， 或测温系统出现故障， 如焊咀温度低于警诫线，发热芯或线路板发生故障时，自动切断电源， 具安全，省电及延长芯头寿命的优势。
Safety protection, energy save and extend heater life. Auto power cut-off under the circumstances of standby for 30 minutes, failure of temperature test, PCB, heating element and low tip temperature.
当30分钟闲置， 或测温系统出现故障， 如焊咀温度低于警诫线，发热芯或线路板发生故障时，自动切断电源， 具安全，省电及延长芯头寿命的优势。
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