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Alfamoly Coating (Molykote)
उत्पाद विवरण:
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मूल्य और मात्रा
- 50
व्यापार सूचना
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- दिन
उत्पाद वर्णन
ALFAMOLY is a specially bonded organic lubricant coating which contains solid lubricants like molybdenum di sulphide etc. Like Molykote, ALFAMOLY has the properties of anticorrosive and solid lubricity.
Crystal Structure of MoS2The function of a Lubricant is to separate the sliding surfaces sothat there will be no metallic contact of the mating components. Under normal load condition, oil and grease can capable of separating the metallic asperities contact. But under heavy load conditions, the socalled boundry lubrication occurs which permits asperities contacts with each other. On the other hand dry lubricants fill as well as cover the valleys and asperities to slide with each other sothat the mating asperities will be separated continuously for a long time.
PROCESS :
ALFAMOLY Coating is done by spraying, centrifuging, dipping processes. The surface of the components to be ALFAMOLY coated is prepared by the surface preparation processes like ALFANIT NITRIDING, phosphating, shot peening, glass bead blasting to have a surface finish of the level of 0.8 umm CLA. ALFAMOLY Coating can cover the asperities.
PROPERTIES:
The colour of the film is generally dark grey or black depending on the pigments used. Normaly with oil and grease with increse in load, the friction increases in between the mating components whereas with ALFAMOLY Coating the co-efficient of friction reduces when the load is increased and therefore the asperities donot contact but slides with each other.
ALFAMOLY Coating exhibit mainly galvanic corrosion resistance (the metal pair formation is avoided by introducing the nonconducting coating in between the galvanic cell forming metals) and fretting corrosion resistance(the worn out fine wear debries combines with atmospheric oxygen to form different oxides of iron along with volumetric changes ultimately ends up with seizure of the fits with complete destruction or premature failure due to the rapid fatigue of the components. )
ALFAMOLY Coating can be applied on steel, aluminium and its alloys, copper and its alloys etc.
Colletion of dust particles in normal conditions by the oil and grease media which develop the problem of scoring and connected failures is not available.
ALFAMOLY COATING being a physical deposit, failure due to wash out by water in components lubricated with grease can be avoided.
The coating thickness
The coating thickness can be from 25 to 75 umm and 25 umm thick coating is quite optional.
The corrosion resistance of ALFAMOLY COATING is superior than Cd, Zn, Cr, PLATING and PTFE Systems. ALFAMOLY Coated component withstands for more than 1200 hours when tested Asper ASTM 117 B and more than 2800 hours asper BS 9000 F3 on artificial weathering test. ALFAMOLY COATING shows excellent resistance to acids, alkalies, mineral oils etc.
ADVANTAGES:
ALFAMOLY COATING being a dry lubricant has very good corrosion resistance as compared to Zn, Cd, Ni, Cr plating processes.
It does not pick up dust particles like oil and Grease which develop the problem of scoring and connected failures.
It reduces the frictional torque.
It helps to dismantle the threaded components easily and for the parts to be dismantled very frequently.
It is effective and with high performance for the cutting tools by 60 - 150 %.
It reduces the expenditure on cutting tools by 40 - 50 % as against PVD/CVD Coatings.
It reduces the inventory cost of tools by 40 - 50 %.
It helps to reduce the damege of the surface of the components.
It helps for running in.
It can be applied on any type of steel, aluminium and its alloys, copper and its alloys etc.
Failure due to wash out by water in components lubricated with grease can be avoided by ALFAMOLY COATING .
TYPICAL COMPONENTS :
- PETROCHEMICAL INDUSTRIES : Gate , Ball Valve and its components.
- ELECTRICAL INDUSTRIES : springs, spring washers, break assy leave springs, wheel pins.
- CONSTRUCTION EQUIPMENT INDUSTRY : Scaffolding eye bolts, Nuts, Tubular coupler, pin.
- TEXTILE INDUSTRIES : Slider, Spindle, guide bushes.
- PAPER INDUSTRIES : Valve spindles, Bushes.
- TYRE INDUSTRIES : Bearing shaft,tyre press bolt tyre matrix and mould release.
MATERIAL HANDLING EQUIPMENTS :
ELEVATED BUCKET PINS FOR CEMENT INDUSTRIES & MINING
Industrial Heavy Duty Chains,
Rollers, bush, pin etc. used in food, steel plants, cement, fertilizer industries.
Elevated Crane Pins,
Bearings and bushes for earth moving machines,
Bearings and bushes for conveyors.
AUTOMOBILE INDUSTRIES :
V Blocks, Dynamo shafts, bushes,
Threaded parts etc
Tower Spindles,Shafts,
Beaings, Gas Cylinder Threaded parts,
Slide ways, Sliding guides,Chain Parts,
Photographic Camera parts,
Crane pins, high torque bolts, screws, pins and nozzles for spray guns,
Moving jaws and jaw guides of chuck etc.
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