派克平衡阀培训

1、LOAD HOLDING Who use load holding? Gold Platforms: Construction Site: Wheel Excavators Construction Mini: Mini Excavators Platforms: Platinium Strategy: Questionmark, needs probably further large investments in order to be successful. Must be reviewed together with Division, case by case, before any

2、 activities are started. Attractiveness Construction Site: Articulated Haulers, Asphalt Pavers, Wheel Loaders, Mobile Cranes, Construction Mini: Compact Loaders Agriculture: Vegetable Harvesters, Materials Handling: Forklifts 10 ton, Reach Stackers, Articulated Truck Cranes, Telehandlers Waste Handl

3、ing: Auto Side Loaders, Auto Front Loaders, Hook Loaders, Bin Lifts Forestry: Forwarders, Harvesters, Forest Cranes, Harvesting heads Mining and Drilling: Drill Rigs Strategy: Main priority, willing to invest to get further business Platforms: Agriculture: Tractors 90 hp, Combines, Feed Truck Mixers

4、 Construction Road: Compactors Construction Site: Backhoe Loaders, Excavators, Tracked Dozers Construction Mini: Skid Steer Loaders Materials Handling: Forklifts 5 ton, Forklifts 6-10 ton Platforms: Waste Handling: Rear Loaders, Skip Loaders Strategy: Tough competition, needs agreement with Division

5、 before any activity are started Strategy: Stay out, only interesting with standard products without any modifications needed and with good margin possibilities Bronze Competitiveness Silver Over center functions Typical over center valves Pilot assisted over center valves Pressure setting Compensat

6、ion to backpressure Relief function compensated Relief and pilot function compensated Pilot ratio Pilot features Oscillations Typical over center valve To minimise internal leakage at closed valve are over center valves often seat valves. The soft seal between pilot and inlet also contribute to mini

7、mise the leakage Pilot assisted over center valves Meter in flow control the speed. Vinsch system Avoid cavitation through ”press down the load”,”Counterbalance valve” VentilatedSpring chamber connected to air pressure Not VentilatedSpring chamber connected down streams Pressure setting Pc R (+kPt =

8、Pp Pp = pilot pressure Pt = pressure settingPc = load induced pressure R = pilot ratiok = kappa (cylinder ratio Lowering a loadPressure setting 300 bar 1003300=Pp +O,7If pilot ratio = 3:1If pilot ratio = 9:1(54 bar (20,5 bar Low mechanical damping Pilot pressure out of phase with load pressure CVS P

9、roduct Presentation Agenda: Cartridge Valve Product Range Overview Load Holding Valves Features & Benefits Different & Better Applications Potential Growth Opportunities Check Valves -8 / -10 / -16 / -20 SAE Standard Cavity 38-300 LPM, 350 Bar Solenoid Operated Check Valves NO & NC -8 / -10 / -16 /

10、-20 30-260 LPM, 350 Bar PO Check ValvesThree port valve example -12 cavity 75 LPM, 350 Bar Two Port valve + Pilot Piston -16 cavity 190 LPM, 350 Bar 3:1 Pilot Ratio, 5 drops leakage full rated Pressure Dual PO Check ValvesFour port valve -8 cavity 20 LPM Pilot Piston Type 16 cavity 190 LPM Counterba

11、lance Valves MHC Range 4 None Std Cavities 37 300 LPM 350 Bar.Vented and Non Vented Options MHC Body Options Line Mounted Port BodiesMHC-025 Shown Counterbalance Valve Stability MHC Type CB101 TypeTapered poppets are superior tospherical poppetsAvoid Valve ChatterImproved Stability Applications Tele

12、-Handler Extension Ram Function ManifoldRegen and Load Hold Applications Bridge Laying System Excavator Boom Hose Failure Valves 44,250 valves sold in Europe During last 12 months. Do we have the products to enter this MarketGrowth Opportunities Market InvestigationMHC-050 Vented 10:1 Ratio. This can satisfy the Leakage / Pressure and Flow Requirement: Systems and Division Support Targ