Rexroth力士樂電磁流量閥A10VSO100DR/52R-PPA14N00疊加閥
HR-15A洛氏硬度計試驗前的準備工作一使用范圍試驗時立按下表選用壓頭和總試驗力:刻度符號壓頭總試驗力N（kg標注硬度符號允許測量范圍B∮1.588/mm鋼球98.7HRB2-1C12金剛石1471（15）HRC2-7A12金剛石588.4HRA2-88A標尺:用于測定硬度超過7HRC的金屬（如碳化鎢,硬質(zhì)合金等）,也可測定硬的薄板材料以及表面淬硬的材料.C標尺:用于測定経過熱處理的鋼制品硬度.B標尺:用于測定較軟的或中等硬度的金屬以及未經(jīng)淬硬的鋼制品.調(diào)整主試驗力的加荷速度;試驗力的選擇（15KG:1471N1KG/98.7N6KG/588N））;小心安裝硬度計壓頭.2.試驗程序?qū)⒔z杠頂面及工作臺上下端面擦凈,將工作臺置于絲杠臺上;將試件支撐面擦凈置于工作臺上,旋轉(zhuǎn)手輪使工作臺緩慢上升并頂起壓頭,至小指針指向紅點,大指針旋轉(zhuǎn)3圈垂直向上為止;旋轉(zhuǎn)指示器外殼,使C,B之間長刻線與大指針對正;拉動加荷手柄,施加主試驗力,指示器的大指針按逆時針方向轉(zhuǎn)動;當指示針轉(zhuǎn)動停止下來后,即可將卸荷手柄推回,卸除主試驗力;從指示器上相應的標尺讀數(shù);轉(zhuǎn)動手輪使試件下降,再移動試件.按以上-步驟進行新的試驗;試驗結(jié)束后用防塵罩將機器蓋好.3.注意事項:定期在絲杠與手輪的接觸面注入少量機油;硬度計使用前,應將絲杠頂面和工作臺上端面擦凈;定期用標準硬度塊檢查硬度計精度,決不允許在支撐面試驗;當標準硬塊支承面有毛刺時應用油石打光,在其不同位置試驗時,硬塊應在工作臺上拖動,不應拿離工作臺.洛氏硬度計主要技術(shù)參數(shù)洛氏標尺:HRA,HRB,HRC,HRD,HRE,HRF,HRG,HRH,HRK初試驗力（N）:98.7（1kg）總試驗力（N）:588（6kg）,98（1kg）,1471（15kg）硬度值讀數(shù)方式:表盤試件允許大高度:17mm壓頭中心到機身距離:165mm洛氏硬度計外形尺寸（mm）:52247洛氏硬度計重量（kg）:8執(zhí)行標準:GB/T23.2標準、JJG112檢定規(guī)程硬度值范圍HRA:2～88HRB:2～1HRC:2～7標準配件（附件）:金剛石洛氏壓頭、直徑1.5875mm硬質(zhì)合金球壓頭大平試臺、中平試臺、V型試臺、HRHRB硬度塊。2閥芯、閥桿、導向套閥芯是調(diào)節(jié)流量的關(guān)鍵件，也是沖蝕嚴重的零件之一，對閥芯結(jié)構(gòu)及材料的選擇決定了閥門的性能。而導向套的設計，對閥芯穩(wěn)定性、調(diào)節(jié)性及運動性都起決定作用。導向套安裝在上下腔隔離面上，使導向面下移穩(wěn)定閥芯，克服了傳統(tǒng)文丘里角閥高進低出時的高頻振動、噪聲及調(diào)節(jié)性能不好問題。在導向套內(nèi)孔設有凹槽，與隔離面上的孔形成壓力平衡效果。導向套的內(nèi)孔及暴露在流道區(qū)的外圓都經(jīng)過表面硬化處理，保證內(nèi)孔的耐磨性能、外圓的抗沖蝕性能。
L-217實驗室高性能噴霧干燥機是使液態(tài)物料經(jīng)過噴嘴霧化成細微的霧狀液滴，以獲得大的比表面積，在進入干燥塔內(nèi)流動的熱力場后，霧狀液滴立即被干燥并分離為粉料的熱力過程。進料可以是溶液、乳濁液、懸浮液、糊狀物、膠狀液體等可流動的液體。噴霧干燥技術(shù)是干燥領域發(fā)展快、應用范圍廣的一種干燥方式，目前被廣泛應用于醫(yī)藥工業(yè)、食品工業(yè)、化學工業(yè)、乳品工業(yè)、建材工業(yè)、染料工業(yè)等。L-217實驗室高性能噴霧干燥機特點：數(shù)顯清晰：采用大字數(shù)碼管顯示實驗參數(shù)，方便遠距離對實驗參數(shù)的觀察、監(jiān)測及調(diào)整。
參數(shù)不穩(wěn)定的煙氣余熱鍋爐煙氣在流量、溫度、成份組成、含塵量等各方面的波動是其特征之一，波動的性質(zhì)可以是有規(guī)律的、周期性的，也可以是非規(guī)律性、非周期性的；波動的特點可以是漸進性的、也可以是沖擊性的；可以是單一參數(shù)的，也可以是多參數(shù)的復合性波動。余熱鍋爐的選型必須首先分析主工藝流程的整個周期，確定周期中各個時間區(qū)段的煙氣特點，從而在余熱鍋爐設計中逐個落實相應的措施。其中突出的特點往往是余熱鍋爐選型的主要根據(jù)。
超聲波清洗設備的頻率應該在生產(chǎn)廠商所建議的范圍內(nèi)，用經(jīng)多次所得的佳頻率進行清洗。超聲波頻率越高，液體內(nèi)氣泡的體積越小，強度也越弱，一般推薦使用的頻率為4KHz，在此頻率下，會產(chǎn)生小的氣泡深入網(wǎng)穴進行清洗.不過，由于網(wǎng)紋輥的性質(zhì)及超聲波清洗設備設計不同，此頻率推薦值僅供參考。。清洗劑的溫度也會影響到清洗質(zhì)量，溫度高，清洗劑黏度就低，液體中的氣泡量就會增加，從而增加超聲波清洗的能力。
A10VSO100:
A10VSO100DFR/31L-PSC62K07,A10VSO100DFR1/31R-PUC12N00
A10VSO10:
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A10VSO18:
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A10VSO28:
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A10VSO45:
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A10VSO45DRG/31R-PPA12N00,A10VSO45ED72/52R-VSC11N00T
A10VSO60:
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A10VSO71:
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AA10VSO100:
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AA10VSO140:
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AA10VSO71:
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