故障三：螺杆旋转困难，运行时泵内产生不正常的机械摩擦声，甚至发生螺杆"咬死"现象
1、泵内滑动轴承或螺杆螺旋段内的间隙中卡有介质
清除杂质，并检查过滤器是否损坏，必要时修理甚至更换磨损零件
2、螺杆螺旋面已经损坏
更换磨损的螺杆
3、滚动轴承配合松动或已磨损造成主动螺杆和螺杆衬套的同轴度超差或无法正常运转
更换轴承
4、推力轴承磨损
检查进入推力轴承的油路是否被垫片或杂质堵塞，清除或清除进入推力轴承的杂质，更换磨损的推力轴承
5、螺杆衬套与泵体的配合松动或位置发生变动
重新装配，调整好位置
6、联轴器与主动螺杆的同轴度超差
调整好同轴度
HSN三螺杆泵进出口法兰大小：
HSN40三螺杆泵进出口法兰为32mm、25mm
HSN80三螺杆泵进出口法兰为65mm、50mm
HSN120三螺杆泵进出口法兰为65mm、50mm
HSN210三螺杆泵进出口法兰为80mm、65mm
HSN280三螺杆泵进出口法兰为100mm、80mm
HSN440三螺杆泵进出口法兰为125mm、100mm
HSN660三螺杆泵进出口法兰为125mm、100mm
HSN940三螺杆泵进出口法兰为150mm、125mm
HSN1300三螺杆泵进出口法兰为150mm、125mm
HSN1700三螺杆泵进出口法兰为200mm、150mm
HSN2200三螺杆泵进出口法兰为200mm、150mm
HSN2900三螺杆泵进出口法兰为250mm、200mm
HSNH系列三螺杆泵常规型号：
HSNH40-38 HSNH40-46 HSNH40-54 HSNH80-36 HSNH80-42
HSNH80-46 HSNH80-54 HSNHnbsp; HSNHnbsp; HSNH120-51
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNH280-43
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNH440-52
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNH660-51
HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp; HSNHnbsp;
HSNHnbsp; HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNH
HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNHnbsp;
HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNHnbsp;
HSNHnbsp;HSNHnbsp;HSNHnbsp;HSNH
轴承内置型号：
HSNH40-38N HSNH40-46N HSNH40-54N HSNH80-36N HSNH80-42N
HSNH80-46N HSNH80-54N HSNH120-42N HSNH120-46N HSNH120-51N
HSNH120-54N HSNH210-40N HSNH210-46N HSNH210-54N HSNH280-43N
HSNH280-46N HSNH280-54N HSNH440-40N HSNH440-46N HSNH440-52N
HSNH440-54N HSNH660-40N HSNH660-44N HSNH660-46N HSNH660-51N
HSNH660-54N HSNH940-36N HSNH940-42N HSNH940-46N HSNH940-50N
HSNH940-54N HSNHN HSNHN HSNHN HSNHN
HSNHN HSNHN HSNHN HSNHN HSNHN
HSNHN HSNHN HSNHN HSNHN HSNHN
HSNHN HSNHN HSNHN HSNHN
进出口反向安装型号：
HSNH40-38Z HSNH40-46Z HSNH40-54Z HSNH80-36Z HSNH80-42Z
HSNH80-46Z HSNH80-54Z HSNH120-42Z HSNH120-46Z HSNH120-51Z
HSNH120-54Z HSNH210-40Z HSNH210-46Z HSNH210-54Z HSNH280-43Z
HSNH280-46Z HSNH280-54Z HSNH440-40Z HSNH440-46Z HSNH440-52Z
HSNH440-54Z HSNH660-40Z HSNH660-44Z HSNH660-46Z HSNH660-51Z
HSNH660-54Z HSNH940-36Z HSNH940-42Z HSNH940-46Z HSNH940-50Z
HSNH940-54Z HSNHZ HSNHZ HSNHZ HSNHZ
HSNHZ HSNHZ HSNHZ HSNHZ HSNHZ
HSNHZ HSNHZ HSNHZ HSNHZ HSNHZ
HSNHZ HSNHZ HSNHZ HSNHZ
轴承外置型号：
HSNH40-38W1 HSNH40-46W1 HSNH40-54W1 HSNH80-36W1 HSNH80-42W1
HSNH80-46W1 HSNH80-54W1 HSNH120-42W1 HSNH120-46W1 HSNH120-51W1
HSNH120-54W1 HSNH210-40W1 HSNH210-46W1 HSNH210-54W1 HSNH280-43W1
HSNH280-46W1 HSNH280-54W1 HSNH440-40W1 HSNH440-46W1 HSNH440-52W1
HSNH440-54W1 HSNH660-40W1 HSNH660-44W1 HSNH660-46W1 HSNH660-51W1
HSNH660-54W1 HSNH940-36W1 HSNH940-42W1 HSNH940-46W1 HSNH940-50W1
HSNH940-54W1 HSNHW1 HSNHW1 HSNHW1 HSNHW1
HSNHW1 HSNHW1 HSNHW1 HSNHW1 HSNHW1
HSNHW1 HSNHW1 HSNHW1 HSNHW1 HSNHW1
HSNHW1 HSNHW1 HSNHW1 HSNHW1
