重型机床床身体积大、重量重、外壁及筋板厚薄不匀,人工时效工艺具有一定的特殊性。如我厂生产的C61100车床,床身长8米,重约9吨,导轨壁厚60毫米,最大厚度达180毫米左右。由于未能更好地掌握时效处理规律,经常造成精加工后尺寸不稳定,甚至发生严重变形和开裂,直接影响了产品质量和生产任务的完成。 Heavy machine bed body size, weight, wall thickness and uneven ribs, artificial aging process has a certain degree of particularity. If I plant C61100 lathe, bed length 8 meters, weighing about 9 tons, 60 mm guide wall thickness, the maximum thickness of 180 mm or so. Due to failure to better grasp the law of aging, often resulting in the size after finishing unstable, and even serious deformation and cracking, a direct impact on product quality and production tasks completed.