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碟形彈簧的技術要求

2014-08-07 12:30 作者:管理員14 來源:未知 瀏覽: 字號:

摘要:碟形彈簧的技術要求

        碟形彈簧不宜由棒料或其他形式的毛坯直接機械加工成截錐形,而要求沖壓成形,以保證其承載能力。彈簧厚度t.< 1mm時,常用表面光沽的冷軋帶俐,經退火后冷沖壓成形;厚度為1一6m。時,則在冷沖壓成形后,切削加工內孔和外圓;厚度t≥ 6mm時,可采用熱軋帶鋼或鋼板,在熱沖壓成形后再切削加工各表面。GB/T1972-2005規定了碟形彈簧的技術要求:
       1)碟簧各尺寸參數的公差及偏差見表16.2.8
       2)彈簧的表面粗糙度按表16.2-9的規定。碟黃表面不允許有毛刺、裂紋、斑疤等缺陷。
       3)碟獲材料應采用6OSi2MnA或5OCrVA帶、板材或鍛造坯料制造。
       4)彈簧成形后,必須進行熱處理,即淬滅.、回火處理。淬火次數不得超過兩次。
 
碟簧尺寸和參數的極限偏差
1碟簧的表面粗糙度
(責任編輯:laugh521521)
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