外开木窗修理中,经常碰到插销孔铁件的锈蚀及孔处木料腐烂的情况,习惯采用换新铁件和用木料嵌补的办法。那样容易使孔处木料开裂,强度降低,而且,插孔不易加工,工作量大,孔内容易积水,进而引起铁件的锈蚀和孔处木料的腐烂。后来,我们改用自制的铁件 In the repair of open wooden windows, the corrosion of the bolts and the decay of the wood at the holes are often encountered, and it is customary to replace the iron with new ones and insert them with wood. It is easy to crack the wood at the hole, and the strength is reduced. Moreover, the jack is not easy to process, the workload is large, and water is easily accumulated in the hole, which in turn causes corrosion of the iron pieces and decay of the wood at the holes. Later, we switched to homemade iron