德国HUNGER活塞密封GD1000K系列应用及作用
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滑环活塞密封件GD1000K是用于密封和引导双作用液压缸上的活塞。所使用的密封设计和材料使其特别适用于最剧烈应用场合,例如,施工机械油缸。
GD1000K由6个部件组成,弹性环使滑环能够压靠在气缸壁上,在零工作压力下提供密封功能。压力的增加会压缩弹性环,这增加了将滑动环压向气缸壁的径向力,从而增加了密封效果。
两个支撑环防止滑环在高压下的间隙挤出。支撑环的特殊轮廓可以使弹性内圈产生均匀的流体和压力分布。定位在支撑环上的轴承环与气缸壁接触;活塞和缸筒之间没有金属接触。
当与圆筒的Ra0.3-0.5μm的表面粗糙度相结合时,实现了最小的摩擦。即使在低速情况下,也不存在粘滑效应,从而实现良好的定位控制。
德国HUNGER活塞密封GD1000K系列尺寸及对应订货号
爱泽工业(IZE INDUSTRIES)特价经销、常用备件型号:
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防尘封AI系列 示例AI-S100/112*12 039194
HUNGER杆密封TDT系列 示例TDT100/108*11.5 010239
HUNGER杆密封TDI系列 示例TDI55/65*10010021
HUNGER活塞密封TDMA系列 示例TDMA105/95*15 010423
HUNGER轴封FI系列 示例FI90*24 012036
HUNGER轴封FAI系列 示例FAI70*24 011928
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