德國HUNGER活塞密封GD1000K系列應(yīng)用及作用
The Hunger slide ring piston seal type GD1000K is used to seal and guide pistons on double-acting hydraulic cylinders. The seal design and materials used make it particularly suitable for the most vigorous applications e.g. construction machine cylinders.
The seal can be used in standard form with mineral oils and water base fluids. Modified versions are available for use with other fluids.
The GD1000K consists of 6 parts, a special shaped elastic ring of a modified NBR, a slide ring of abrasion resistant PTFE-Bronze compound which acts as the sealing ring, two lateral support rings of modified PUR and two bearing rings of pressure-resistant POM PTFE-Bronze compound.
The elastic ring energises the slide ring to press it against the cylinder wall, providing a sealing function at zero working pressure. The onset of pressure compresses the elastic ring which increases the radial force pressing the slide ring against the cylinder wall, thereby increasing the sealing effect.
The two support rings prevent gap extrusion of the slide ring at high pressures. The special profile of the support rings encourages uniform fluid and pressure distribution to the elastic inner ring.
The bearing rings positioned on the support rings, make contact with the cylinder wall; there is no metallic contact between the piston and the cylinder tube.
When combined with a surface roughness of Ra 0.3 - 0.5 碌m of the cylinder, minimum friction is achieved. The seal has excellent efficiency. Even at low speeds there is no stick-slip effect allowing good positioning control.
HUNGER滑環(huán)活塞密封件GD1000K是用于密封和引導(dǎo)雙作用液壓缸上的活塞。所使用的密封設(shè)計和材料使其特別適用于最劇烈應(yīng)用場合,例如,施工機(jī)械油缸。
GD1000K由6個部件組成,彈性環(huán)使滑環(huán)能夠壓靠在氣缸壁上,在零工作壓力下提供密封功能。壓力的增加會壓縮彈性環(huán),這增加了將滑動環(huán)壓向氣缸壁的徑向力,從而增加了密封效果。
兩個支撐環(huán)防止滑環(huán)在高壓下的間隙擠出。支撐環(huán)的特殊輪廓可以使彈性內(nèi)圈產(chǎn)生均勻的流體和壓力分布。定位在支撐環(huán)上的軸承環(huán)與氣缸壁接觸;活塞和缸筒之間沒有金屬接觸。
當(dāng)與圓筒的Ra0.3-0.5μm的表面粗糙度相結(jié)合時,實現(xiàn)了最小的摩擦。即使在低速情況下,也不存在粘滑效應(yīng),從而實現(xiàn)良好的定位控制。
德國HUNGER活塞密封GD1000K系列尺寸及對應(yīng)訂貨號
愛澤工業(yè)(IZE INDUSTRIES)特價經(jīng)銷、常用備件型號:
HUNGER活塞密封GD1000K 750/720*80
HUNGER活塞密封GD1000K 220/195*71
HUNGER活塞密封GD1000K 150/128*53
HUNGER活塞密封GD1000K 200/175*64?
HUNGER活塞密封GD1000K 350/320*80?
HUNGER活塞密封GD1000K 280/255*85?
HUNGER活塞密封GD1000K 220/195x71
HUNGER活塞密封GD1000K 330*300*80
HUNGER活塞密封GD1000K 180/158*57
HUNGER活塞密封GD1000K 63/47*39
HUNGER活塞密封GD1000K 70/54*39
HUNGER活塞密封GD1000K系列
HUNGER活塞密封件GKD系列
HUNGER活塞密封GD2000P系列
HUNGER活塞密封件TDA系列
HUNGER活塞密封GGDA系列
HUNGER活塞密封ZSDA系列
HUNGER活塞密封GODA系列
HUNGER活塞密封GDSA系列
HUNGER活塞密封GODA-SP系列
HUNGER活塞密封GODA-SPE系列
HUNGER活塞密封GD1000K系列 示例GD1000K220/195x71 137720
HUNGER防塵封AI系列 示例AI-S100/112*12 039194
HUNGER桿密封TDT系列 示例TDT100/108*11.5 010239
HUNGER桿密封TDI系列 示例TDI55/65*10010021
HUNGER活塞密封TDMA系列 示例TDMA105/95*15 010423
HUNGER軸封FI系列 示例FI90*24 012036
HUNGER軸封FAI系列 示例FAI70*24 011928
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