vane pump hydraulic jack hand hydraulic pump
Quick Detail
- Minimum order:1
- Place of Origin:china
Specifications
China hydraulic pump manufacturers, hydraulic pumps and motors, hydraulic pump
parts, piston pump parts, hydraulic pump, hydraulic spare parts, hydraulic piston pump, hydraulic vane pump, hydraulic gear pump, Hydraulic Motor,Pilot Pump, Charge Pump for Rexroth,Caterpillar,Vickers,Denison,Sauer,Kawasaki,Commercial,Linde,Parker,Liebherr,Komatsu,Eaton,Daikin,Kubota,Johndeer,Hitachi. T6C,T6D,T6E,45VQ,35VQ,25VQ,20VQ,V10,V20,Hydraulic
Motor.
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1 oil pump approach
Straight axis swashplate piston is divided into two kinds of pressure from the sucking oil type. Most oil pressure hydraulic pump selection have pressure tank, also with
its own pump to pump up the oil cylinder oil inlet supply pressure of the oil. Since self-absorbing ability strong suction type pump, without external oil supply.
Rearward pressure hydraulic oil tank after each engine unit, it is necessary to use other hydraulic stains box arrives pressure, competence operate machinery. When the
hydraulic pressure in the tank served as the lack of machinery, and hydraulic slip whip will be formed within the pull-off appearance, the formation of abnormal wear of the pump body board
and return the platen. Selection charge pump supply piston pump, the use of 3000h, the operator need 1-2 times a day on the piston view to view the movement of the hydraulic pump is not
working properly. Found cylinder speed drops or stuffy car, you should pump up the collapse of view, is not a view of the impeller edge scratching appearance, internal gear pump gap is not
too large.
About Self-suction-type piston pump, the hydraulic oil tank must not fall below the lower limit of the oil standard, should adhere to meet the amount of hydraulic oil. The
higher the cleanliness of hydraulic oil, the use of the longer life expectancy of the hydraulic pump.
2 pump bearings
The most important parts of piston bearing, if the bearing clearance presentation, you can not guarantee normal internal pump three pairs of friction pair gap, together
will damage the hydrostatic bearing oil film thickness of each friction pair, down piston pump bearings use life expectancy. According to information supplied to the hydraulic pump factory,
using the average life expectancy of bearings is 10000h, beyond this value will need to replace the new port.
Open bearing down, no professional view instrument is unable to view the bearing clearance, the only use visual, such as found in the outer roller scratches or
discoloration, it is necessary to replace.
When replacing the bearing, should pay attention to the type of original letters and bearing, mostly piston bearing use large load bearing capacity, the best purchase of
the original factory, the original specification of the goods, if the replacement of another brand, you should consult an experienced bearing The staff look-up table on the exchange, the
purpose is to uphold the level of accuracy and load bearing capacity.
3 three pairs of friction pairs View and correction
3.1 plunger rod and cylinder bore
Table 1 is a piston pump replacement parts specification (see Figure 1), when the various voids listed in the table of tolerance, according to the following approach
fix:
