先導式溢流閥 德國HAWE哈威電液換向閥
PMV42-43/G24, PMV42-44/G24, PMVP4-43/G24,
PMVP4-44/G24, PMVP5-42/G24, PMVP5-43/G24,
PMVS51-43/G24, PMVP5-44/G24, PM1-11-G24,
PM12-7-G24, PMZ1-19-G12, PMZ1-7.5-G24,
PM12-40-G12, PDMP11-43/24, PDM4GH-12,
PDM11-24, PDM22-21/22, PDMP11-12, PDMP
22-41/G24, PDMP11 2, PDMP11-42/24, PDMP11-43/G24,
PDMP22-41/G24, PDMP22-43/24, PDV-P3-43/24
軸承精度級別巨大承載力軸承,不可運用一般軸承;④替換的零件質量有疑問,零件的配合精度等級(grade)低,會發作運轉頻率共振噪聲;⑤缸體與配流盤配對副弧面偏置,會發作副間油液走漏的過量噪聲;⑥斜軸泵新配流盤與舊泵后蓋上變量(Variable)滑動弧道偏置,會構成配流盤反面高壓口處與泵后蓋間高壓區域內的平面走漏,發作氣損噪聲。
斜盤泵新配流盤反面與舊泵后蓋壓緊區域也會呈現相同的噪聲。7.氣穴噪聲泵在運轉中若其過流有些部分區域如泵出口液體的肯定壓力降低到其時溫度下的
WN1M-WG230, ,WN1D-G24, ,WN1H-G24, ,WH1R-G24, ,
WH2R-G24, ,WH1R-L24, ,WH2N-X24, ,WH1H-G24, ,
WH2H-G24, ,WH1H-G24, ,WH4N-G24, ,WH1R-X24, ,
WH1D-G24, ,WH1R-X24, ,WH2D-G24, ,WH1R-G24, ,
汽化壓力時,液體便會汽化發作很多蒸汽構成氣泡,當富含很多氣泡的液體流經缸體配流窗口外側的高壓區時,高壓液體會使氣泡急劇地減小直至俄然決裂,并發作高溫。高溫使油液焚燒,生成樹脂狀物質,加快油液氧化蛻變。在氣泡決裂凝聚時,液體質點以很高的速度填充空穴,剎那間會以很高的頻率(frequency)沖擊金屬外表,發作很大的沖擊應力,可;蠶食;金屬外表,像雕琢家用(Household)錘子或鑿子雕琢石頭相同。當這種液壓沖擊發作在配流盤金屬
先導式溢流閥 德國HAWE哈威電液換向閥