日本NACHI不二越負荷感應變量柱塞泵PZ系列
PZ-6B-10-180-E1A-20 PZ-6B-10-180-E2A-20 PZ-6B-10-180-E3A-20 PZ-6B-10-220-E1A-20
PZ-6B-10-220-E2A-20 PZ-6B-10-220-E3A-20 PZ-6B-13-130-E3A-20 PZ-6B-13-180-E1A-20
日本NACHI不二越負荷感應變量柱塞泵PZ系列
PZ-6B-25-180-E2A-20 PZ-6B-25-180-E3A-20 PZ-6B-25-220-E1A-20 PZ-6B-25-220-E2A-20
PZ-6B-25-220-E3A-20 PZ-6B-32-180-E1A-20 PZ-6B-32-180-E2A-20 PZ-6B-32-180-E3A-20
PZ-6B-32-220-E1A-20 PZ-6B-32-220-E2A-20 PZ-6B-32-220-E3A-20 PZ-6B-40-180-E1A-20
PZ-6B-40-180-E2A-20 PZ-6B-40-180-E3A-20 PZ-6B-50-180-E1A-20 PZ-6B-50-180-E2A-20
(3)選用“外表工程技能”，辦法如下： (a)電鍍技能：在柱塞外表鍍一層硬鉻；(b)電刷鍍技能：在柱塞外表刷鍍資料；(c)熱噴涂或電弧噴涂或電噴涂：噴涂高碳馬氏體資料；(d)熔敷：在柱塞外表熔敷高硬度合金粉末。
PZ-6B-50-180-E3A-20 PZ-6B-64-180-E1A-20 PZ-6B-64-180-E2A-20 PZ-6B-64-180-E3A-20
PZ-6B-10-180-E2A-20 PZ-6B-10-180-E3A-20 PZ-6B-10-220-E1A-20 PZ-6B-10-220-E2A-20
PZ-6B-10-220-E3A-20 PZ-6B-10-180-E1A-20
PZ-6B-5-180-E1A-20 PZ-6B-5-180-E2A-20 PZ-6B-5-180-E3A-20 PZ-6B-6.5-220-E3A-20
PZ-6B-5-220-E1A-20 PZ-6B-5-220-E2A-20 PZ-6B-5-220-E3A-20 PZ-6B-6.5-220-E2A-20
(4)缸體孔無銅套的缸體資料大都是球墨鑄鐵的，在缸內壁上制備非晶態薄膜或涂層。因為缸體孔內壁有了這種分外物質，所以才調構成硬—硬配對的磨擦副。假定盲目地研磨缸體孔，把缸體孔內壁這層外表資料研掉，磨擦的構造功用也就改變了。被去掉涂層的磨擦副，假定強行運用，就會磨擦面溫度增加，柱塞桿與缸孔發作膠合。
日本NACHI不二越負荷感應變量柱塞泵PZ系列
