MT-10 in Hydraulic    systems       MPC2006   1
Basic Principles:• Force that is applied at one point is  transmitted to another point using an  incompressible fluid.• Th...
Fundamental laws of hydraulics:• Hydraulic pumps create flow - not pressure.• Resistance to flow creates pressure.• Flow d...
Damage to systemCommon causes: • Contaminated hydraulic fluid • Bad maintenance practices • Overheating                 MP...
Contaminants of hydraulic fluid          include:• solid particles• Sediments• air• water• other matter that impairs the  ...
How does MT-10 improve hydraulic           working?• Reduces friction in pump and valves• Reduces temperature• Works even ...
How solid particle contamination      accelerates wear of hydraulic              components:• When a pump or motor is worn...
How solid particle contamination        accelerates wear of hydraulic                components:• Particles the same size ...
How solid particle contamination        accelerates wear of hydraulic                components:•   The most dangerous par...
Solid particles: Three-body             abrasion• When hydraulic fluid is contaminated with  hard particles that are the s...
How does MT-10 help?• MT-10 changes the surface polarity of ferrous  metal to positive• Contaminates, such as wear particl...
How does MT-10 help: Particles•   By making the surface polarity of ferrous metals positive    the MT-10 will clean the me...
MT-10 in gear pumps• Wear caused by particles leads to internal  leaking• The MT-10 stops particles adhering to the  metal...
Wear caused by inadequate       installation of pump• A      common        misconception    among  maintenance personnel w...
How does MT-10 help: Pump            installation•   The presence of MT-10 in the metal surfaces protects the    pump even...
Loss of lubrication: Two-body               abrasion•   In gear piston designs, friction is generated by the    meshing of...
How does MT-10 help: Two-body          abrasion• The MT-10 will significantly reduce  wear even when the lubricating film ...
Contaminants: Sediments• When sediments are deposited within system  tubing their effect is similar to cholesterol in a  h...
How does MT-10 help: System          Obstruction• MT-10’s effect of changing the surface  polarity leads to a general clea...
Overheating• Continuing to operate a hydraulic  system when the fluid is over-  temperature is similar to operating an  in...
High oil temperature:• Reduces oil viscosity  – Which provokes increased wear  – Which Shortens parts service life• Dries ...
Why do hydraulic systems            overheat?• Heating of hydraulic fluid in operation is  caused by inefficiencies. Ineff...
Solving overheating problems• There are two ways to solve overheating  problems in hydraulic systems:     • Decrease heat ...
How does MT-10 help:          Overheating• Reducing friction in the pump reduces  temperature• Reducing friction in the va...
Benefits of MT-10 :             Overheating• MT-10 helps oils maintain better viscosity• Helps heat dissipation systems to...
Contaminants: Water      •   Water in hydraulic fluid can attack          certain seal materials, cause          corrosion...
Benefits of MT-10:         Water contamination• MT-10 impregnates the metal surface so it  does not wash out.• MT-10 is he...
Summary: How does MT-10 improve      hydraulic working?• Reduces friction in pump and valves• Reduces temperature• Works e...
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Mt10 hydraulics presentation

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Mt10 hydraulics presentation

  1. 1. MT-10 in Hydraulic systems MPC2006 1
  2. 2. Basic Principles:• Force that is applied at one point is transmitted to another point using an incompressible fluid.• The fluid is almost always an oil of some sort.• The force is almost always multiplied in the process. MPC2006 2
  3. 3. Fundamental laws of hydraulics:• Hydraulic pumps create flow - not pressure.• Resistance to flow creates pressure.• Flow determines actuator speed.• Pressure determines actuator force.• Fluid under pressure takes the path of least resistance. When fluid moves from an area of high pressure to an area of low pressure (pressure drop) without performing useful work, heat is generated. MPC2006 3
  4. 4. Damage to systemCommon causes: • Contaminated hydraulic fluid • Bad maintenance practices • Overheating MPC2006 4
  5. 5. Contaminants of hydraulic fluid include:• solid particles• Sediments• air• water• other matter that impairs the function of the fluid. MPC2006 5
  6. 6. How does MT-10 improve hydraulic working?• Reduces friction in pump and valves• Reduces temperature• Works even when water contamination• Cleans blocked lines• Reduces particle wear MPC2006 6
  7. 7. How solid particle contamination accelerates wear of hydraulic components:• When a pump or motor is worn or damaged, internal leakage increases and therefore the flow available to do useful work decreases• The rate at which damage occurs is dependent on the internal clearance of the components within the system, the size and quantity of particles present in the fluid, and system pressure.• Particles larger than the components internal clearances are not necessarily dangerous. MPC2006 7
  8. 8. How solid particle contamination accelerates wear of hydraulic components:• Particles the same size as the internal clearances cause damage through friction.• The most dangerous particles in the long term are those that are smaller than the components internal clearances.• Particles as small as 10 microns (a grain of salt is 100 microns) can cause severe damage to a hydraulic system and particles smaller than 5 microns are highly abrasive. If present in sufficient quantities, these invisible silt particles cause rapid wear, destroying hydraulic pumps and other components. MPC2006 8
  9. 9. How solid particle contamination accelerates wear of hydraulic components:• The most dangerous particles in the long term are those that are smaller than the components internal clearances. Particles as small as 10 microns (a grain of salt is 100 microns) can cause severe damage to a hydraulic system and particles smaller than 5 microns are highly abrasive. If present in sufficient quantities, these invisible silt particles cause rapid wear, destroying hydraulic pumps and other components. MPC2006 9
  10. 10. Solid particles: Three-body abrasion• When hydraulic fluid is contaminated with hard particles that are the same size as the clearance between two lubricated surfaces, a process known as three-body abrasion occurs.• Three-body abrasion results in scoring and heavy wear of sliding surfaces MPC2006 10
  11. 11. How does MT-10 help?• MT-10 changes the surface polarity of ferrous metal to positive• Contaminates, such as wear particles, environmental dirt and oil precipitates all have a positive charge• Therefore the MT-10 makes the metal surfaces repellant to these contaminants. MPC2006 11
  12. 12. How does MT-10 help: Particles• By making the surface polarity of ferrous metals positive the MT-10 will clean the metal surfaces• The contaminates, will return/be reabsorbed into the oil• This will INCREASE PPM of metal particles in the oil• This may INCREASE oil viscosity MPC2006 12
  13. 13. MT-10 in gear pumps• Wear caused by particles leads to internal leaking• The MT-10 stops particles adhering to the metal surfaces, thus reduces wear damage.• The particles continue circulating with the oil where they can be trapped by the filters. MPC2006 13
  14. 14. Wear caused by inadequate installation of pump• A common misconception among maintenance personnel with limited training in hydraulics, is that because oil circulates through hydraulic components in operation, no special attention is required during installation, beyond fitting the component and connecting its hoses. Nothing could be further from the truth.• After a hydraulic motor is installed, its case should be filled with clean prior to start-up. Starting a piston-type motor or pump without doing so, is similar to starting an internal combustion engine with no oil in the crankcase - premature failure is pretty much MPC2006 14 guaranteed.
  15. 15. How does MT-10 help: Pump installation• The presence of MT-10 in the metal surfaces protects the pump even if installed with no oil.• In 1998 we received a letter from a hydraulic pump repair specialist which stated: – “A pump which is worked without oil takes only 15 seconds to seize with damage to the faces of the pump as well as bushings or bearings. Once MT-10 was applied to the hydraulic oil a test was run for 15 minutes with a constant pressure of 1000 P.S.I. and 40oC, with a displacement of 5 G.P.M.then the pump was operated without oil at 1750 R.P.M. during 3.5 minutes reaching temperatures of 250oC. We stopped the machine and let the hydraulic pump cool down. When disassembled the pump showed no signs of wear on the faces of the gears and no wear was found on the bearings or shafts in spite of the temperatures reached” MPC2006 15
  16. 16. Loss of lubrication: Two-body abrasion• In gear piston designs, friction is generated by the meshing of the gear teeth. The teeth have to be an exact fit to avoid loss of pressure.• In axial piston designs, the cylinder barrel is hydrostatically loaded against the valve plate. The higher the operating pressure, the higher the hydrostatic force holding the cylinder barrel and valve plate in contact. However, if operating pressure exceeds design limits or if the valve plate is not in proper contact with the cylinder barrel, the cylinder barrel separates from the valve plate. Once separation occurs, the lubricating film is lost, the two surfaces come into contact and a process known as two-body abrasion occurs. MPC2006 16
  17. 17. How does MT-10 help: Two-body abrasion• The MT-10 will significantly reduce wear even when the lubricating film is lost.• This will reduce to a minimum any chance of two-body abrasion MPC2006 17
  18. 18. Contaminants: Sediments• When sediments are deposited within system tubing their effect is similar to cholesterol in a human body. The increased resistance to flow increases system pressure,• Slowing down the system• Requiring the pump to work harder.• Leading to increased temperature of operation• Sediments may also cause pistons or valves to jam. MPC2006 18
  19. 19. How does MT-10 help: System Obstruction• MT-10’s effect of changing the surface polarity leads to a general cleaning of the system once the product is added to the oil• Thus MT-10 is like ‘oatmeal’ for a hydraulic system and will unblock the tubes, reducing pressure on the pumps and allowing the machine to respond faster.• The cleaning effect of MT-10 also will permit sticking parts to move smoothly and – if the problem is small wear particles – jammed parts to be freed and work again. MPC2006 19
  20. 20. Overheating• Continuing to operate a hydraulic system when the fluid is over- temperature is similar to operating an internal combustion engine with high coolant temperature. Damage is guaranteed. MPC2006 20
  21. 21. High oil temperature:• Reduces oil viscosity – Which provokes increased wear – Which Shortens parts service life• Dries out seals and washers – Which allows oil to leak from pistons – Which also allows environmental particles to enter hydraulic system MPC2006 21
  22. 22. Why do hydraulic systems overheat?• Heating of hydraulic fluid in operation is caused by inefficiencies. Inefficiencies result in losses of input power, which are converted to heat. A hydraulic systems heat load is equal to the total power lost (PL) through inefficiencies and can be expressed as: – PLtotal = PLpump + PLvalves + PLplumbing + PLactuators• If the total input power lost to heat is greater than the heat dissipated, the hydraulic system will eventually overheat. MPC2006 22
  23. 23. Solving overheating problems• There are two ways to solve overheating problems in hydraulic systems: • Decrease heat load • Increase heat dissipation• Decreasing heat load is always the preferred option because it increases the efficiency of the hydraulic system. MPC2006 23
  24. 24. How does MT-10 help: Overheating• Reducing friction in the pump reduces temperature• Reducing friction in the valves reduces temperature• Reducing blockages in the pipes reduces system pressure and increases pump efficiency, reducing temperature. MPC2006 24
  25. 25. Benefits of MT-10 : Overheating• MT-10 helps oils maintain better viscosity• Helps heat dissipation systems to continue working within acceptable limits• Overheating dries out seals, reducing their flexibility and provoking oil leaks.• When MT-10 reduces temperature it helps extend the life of seals, preventing leaks and the entry of contaminants into the system. MPC2006 25
  26. 26. Contaminants: Water • Water in hydraulic fluid can attack certain seal materials, cause corrosion of metal surfaces, decrease lubricity in the fluid and decrease bearing life. • For example, as little as .02% water mixed in with the hydraulic oil will reduce bearing life by 50%. (Source: Machine Design, July 1986, "How Dirt and Water Affect Bearing Life" by the Timken Bearing Company.) Water can enter the hydraulic system through worn pump, motor, and cylinder seals MPC2006 26
  27. 27. Benefits of MT-10: Water contamination• MT-10 impregnates the metal surface so it does not wash out.• MT-10 is heavier than water, allowing it to reach metal surfaces even if there is water contamination• MT-10 contains sophisticated technology against corrosion, reducing significantly the risk of rusting in the case that oil is contaminated by water. MPC2006 27
  28. 28. Summary: How does MT-10 improve hydraulic working?• Reduces friction in pump and valves• Reduces temperature• Works even when water contamination• Cleans blocked lines• Reduces particle wear• Reduces oxidation MPC2006 28

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