攪拌站零件的疲勞損壞：表現形式：斷裂、表面剝落：處理方法：在制造過程中提高零件表面的光潔度，采用比較緩和的斷面過濾，以減少零件的應力集中。此外，利用滲碳、淬火等方法，提高零件的硬度、韌性和耐磨性，也能收到良好的效果。
Fatigue damage of mixing station parts: manifestation: fracture, surface spalling: treatment method: improve the surface finish of parts in the manufacturing process, and adopt mild section filtration to reduce the stress concentration of parts. In addition, carburizing, quenching and other methods can be used to improve the hardness, toughness and wear resistance of the parts.
而對于一些常見的損傷可以采取適當的修復措施，
For some common damages, appropriate repair measures can be taken,
裂紋的修補：裂紋的修補可用鉗工修補、焊補和粘補等方法，但不論用什么方法對裂紋進行修補，都須在裂紋兩端鉆止裂孔以防止裂紋的擴大。同時也須清除裂紋附近的油污、氧化皮等。鉗工修補主要應用于不太重要的部位的裂紋修補，常見的方法有幫板加固或扣鍵錨固的方法。對箱體零件進行焊補時，應嚴格按照焊接工藝參數進行，并采取“加熱減應”和其他減小應力防止變形的措施。
Crack repair: the crack can be repaired by fitter repair, welding repair and adhesive repair, but no matter what method is used to repair the crack, the crack stop holes must be drilled at both ends of the crack to prevent the expansion of the crack. At the same time, the oil and oxide scale near the crack must be removed. Fitter repair is mainly used to repair the cracks in the less important parts, and the common methods are to reinforce the upper plate or to fasten the key. When the box parts are repaired by welding, the welding process parameters should be strictly followed, and "heating stress reduction" and other measures to reduce stress and prevent deformation should be taken.

孔的修復。箱體上的孔發生磨損或其他內表面損傷時，可用軸或軸承與孔恢復配合精度的方法修復。當孔壁磨損不大時，可對孔壁或軸頸和軸承外圈鍍鉻修復；當磨損較嚴重時，采取鑲套的方法，對有些鑲有襯套的孔，可用更換或修復襯套的方法。在修復孔時應與箱體的整形加工統盤考慮，即應考慮孔的中心距和中心線間的平行度誤差。
Repair of holes. When the hole on the box body is worn or other inner surface is damaged, it can be repaired by restoring the fitting accuracy of the shaft or bearing and the hole. When the wear of hole wall is small, the hole wall or journal and bearing outer ring can be repaired by chrome plating; when the wear is serious, the method of inlaying sleeve can be adopted, and for some holes inlaid with bushing, the method of replacing or repairing bushing can be used. When repairing the hole, it should be considered with the shaping of the box, that is, the parallelism error between the center distance and the center line of the hole should be considered.
焊補修復，焊補前對工件預熱以及施焊時的焊接熱量都會引起工件的變形，所以應安排在前道工序；粘接修復，因粘補時某些粘接劑也需要加熱固化，因而也可能引起工件的變形；恢復整修加工基準，并檢測變形情況；鉗工修補，整形加工和鑲套等機加工。
Welding repair, preheating the workpiece before welding repair and welding heat during welding will cause the deformation of the workpiece, so it should be arranged in the previous process; bonding repair, because some adhesives also need to be heated and solidified during bonding repair, it may also cause the deformation of the workpiece; restore the repair processing benchmark, and detect the deformation; bench repair, shaping and inlaying machining.
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