| 摘要 |
PURPOSE:To highly stabilize the quality in soldering by circulating to a vapor tank the same quantity as the taking off quantity out of the vapor tank after the force feeding and filtering the inactive liquid of the vapor tank inside into a filter after its temp. fall. CONSTITUTION:In case of the vapor tank 21 operation, the inactive liquid 22 of the vapor tank 21 inside is forcibly fed to a filtering pipe line 47 by a pump 45 after its temp. fall in a liquid temp. fall tank 35. The liquid 22 is once circulated to the liquid temp. fall tank 35 after its filtering by the filters 51, 52 provided in the pipe line 47 and the liquid 22 in the same amt. as the taking off amt. from the vapor tank 21 is circulated to the vapor tank 21. The quality in soldering can highly be stabilized by this simple method. |
