IC697CPX935
②查看表面是否有刮、凹痕。如有,則用油石去除。
③及時上油防銹。
④安裝沖頭時小心不能有任何傾斜,可用尼龍錘之類的軟材料工具把它輕輕敲正,只有在沖頭正確定位后才能旋緊螺栓。
2.沖模的安裝與調試
安裝與調校沖模必須特別細心。因為沖模尤其大中型沖模,不僅造價高昂,而且重量大微量移動困難,人身的安全應始終放在首位。無限位裝置的沖模在上下模之間應加一塊墊木板,在沖床工作臺清理干凈后,將合模狀態的待試模具置于臺面合適位置。
按工藝文件和沖模設計要求選定的壓機滑塊行程,在模具搬上臺面前調至下死點并大于模具閉合高度10~15mm的位置,調節滑塊連桿,移動模具,確保模柄對準模柄孔并達到合適的裝模高度。
一般沖裁模先固定下模 (不擰緊)后再固定上模(擰緊),壓板 T型螺栓均宜使用合適扭矩扳手擰緊(下模),確保相同螺拴具有一致而理想的預加夾緊力。可以有效防止手動擰緊螺紋出現的因體力、性別、手感誤差造成的預緊力過大或過小、相同螺紋預緊力不等,從而引起沖壓過程中上下模錯移、間隙改變、啃剝刃口等故障發生。
試模前對模具進行潤滑并準備正常生產用料,在空行程啟動沖模3~5次確認模具運作正常后再試沖。調整和控制凸模進入凹模深度、檢查沖模導向、送料、推卸、側壓與彈壓等機構與裝置的性能及運作靈活性,而后進行適當調節,使之達到技術狀態。
對大中小型沖模分別試沖3、5、10件進行停產初檢,合格后再試沖10、15、30件進行復檢。經劃線檢測 、沖切面與毛刺檢驗、一切尺寸與形位精度均符合圖紙要求,才能交付生產。
IC697CPX935
ABB 50SM13A3CXD20AAAC2201 Flowmeter Signal Converter
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IC697CPX935