在鑄(zhu)鐵平臺生產(chan)中,為(wei)了(le)消(xiao)除鑄(zhu)鐵平臺在長(chang)期使用中尺寸、形(xing)狀發生變化,常(chang)在低溫回火后精加工(gong)(gong)前,把平臺重新加熱到100-150攝氏度,保持一定時(shi)間(jian),通過這(zhe)種(zhong)(zhong)時(shi)效(xiao)處(chu)(chu)理來穩定平臺的質量.在機械生產(chan)中,為(wei)了(le)穩定鑄(zhu)件(jian)尺寸,常(chang)將鑄(zhu)件(jian)在室溫下長(chang)期放置,然后才進行切削(xue)加工(gong)(gong).這(zhe)種(zhong)(zhong)措施也被稱為(wei)時(shi)效(xiao).但這(zhe)種(zhong)(zhong)時(shi)效(xiao)不屬于金屬熱處(chu)(chu)理工(gong)(gong)藝.