KRACHT齿轮泵KF200RF7/74 的困油现象的解决方法:
(1)修正齿形
使封闭空间的容积变化减到小,该法应用较小。
(2)泄压孔
从动齿轮的齿顶到齿根钻径向通孔,再从动齿轮轴上铣出两条沟槽(加工复杂)
(3)泄压槽(卸荷槽)
在泵两侧盖的内侧,沿轮齿节圆的公切线方向,开出四个长方形凹槽(在每个侧盖的进排油方向各开一个)。凹槽的距离,必须大于一个轮齿齿间的厚度,以免使吸排腔直接沟通。
SPVF25C2F1A12
SPVF40A2F1A05
SPVF25C1G1A12
SPV10C1G1A12
SPVF40A2F1A05
SPVF40A2F1A02
SPVF40C2F1A02
SPVF40A2F1A12
SPVF50A2F1A20
SPVF25A2F1A05
SPVF25A2F1A02
SPV10C1G1A07
SPV10C1G1A12
SPV10R1G1A07
KF2.5RF7/74
KF4RF7/74
KF8RF7/74
KF12RF7/74
KF16RF7/74
KF25RF7/74
KF32RF7/74
KF40RF7/74
KF63RF7/74
KF80RF7/74
KF112RF7/74
KF150RF7/74
KF125RF7/74
KF200RF7/74
KF250RF7/74
KF5/315 KF6/730
KF400
VCA2FCR1
KF2.5RF2-D15
KF12RF2-D15
KF20RF2-D15
KF25RF2-D15
KF40RF2-D15
KF32RF2-D15
KF80RF2-D15
KF40LF2-D15
KF63RF2-D15
KF80RF1-D15
KF4/125
KF3/100
KF150RF2-D15
KF125RF2-D15
KF32RF7/74-D15
KF25RF7/74-D15
KF20RF7/74-D15
KF32LF7/74-D15
KF80RF7/74-D15
KF150LF7/74-D15
KF40RF7/74-D15
KF16RF2/158-D15
KF12RF2/158-D15
KF2.5RF2/158-D15
KF4RF2/158-D15
KF25RF2/158-D15