我厂锅炉除灰机φ1.296毫米,模数16毫米的铸铁齿轮在工作中因意外故障造成了一齿从根部损坏。由于各种原因该设备不能拆卸,须在原始空间位置堆焊,而且要求堆焊齿不进行机械加工,用锉刀手加工后立即投入使用。 I plant boiler ash machine φ1.296 mm, 16 mm modulus of the cast iron gear at work due to accidental failure caused by a tooth damage from the roots. Due to various reasons, the equipment can not be disassembled and must be welded in place in the original space, and the deposited welding teeth are required not to be machined, and put into use immediately after processing with the file hand.