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Hydraulic Machinery Lubricant Development And Development

resin factoryWith the continuous growth of hydraulic expertise and its vital advantages, at current its use more extensively, together with air, automobile, ship building, oil and numerous building machinery and so on. As an essential part of the hydraulic system of hydraulic oil in hydraulic transmission plays an important role, and in the end have an effect on productivity. Therefore, the right choice for the hydraulic oil on all sorts of hydraulic equipment is a basic requirement. 2 e9 F + R7 b0 g: B! B. l: b

1. Hydraulic mechanical requirements of the hydraulic oil 5 E $ \ 0 p y $ n7 @
If the pump is the guts of your complete hydraulic system, then the hydraulic oil is the blood of the whole hydraulic system. Even one of superior design, manufacture excessive precision hydraulic tools, if not properly chosen and used hydraulic oil, it cannot give full play to the efficiency of equipment, may even result in serious accidents, gear damage or shorten the equipment to make use of life. Can reliable hydraulic system, efficient and financial work, to a sure extent, rely upon the efficiency of hydraulic oil. Due to this fact, the hydraulic oil has the next requirements:

1. Have the right viscosity, viscosity-temperature performance and better 7 Y nymex crude oil april / b! A / F-o6 w3 () l + _: k9 c6 f

Hydraulic oil viscosity is a very important efficiency index, choose the hydraulic oil, which is among the components to be considered first. Choice of viscosity is determined by the kind of pump, work stress, use of environmental and environmental temperature, along with relying on the requirements of other hydraulic parts. Too high or too low viscosity will adversely reduce the overall efficiency of the machine, the control performance degradation, the work shouldn’t be versatile enough. % I: X # ^: P8 Y i / B5 / I #), v
Long hydraulic tools to work in a damp environment might be drops of water mixed with hydraulic oil tank, the water into the tank by pump, motor oil and different hydraulic parts of the violent agitation, the simple spread of hydraulic oil to form emulsion, will accelerate the deterioration of hydraulic oil to generate sediment, impeding heat switch cooler, plug filters, pipes, valves and other hydraulic elements of the pores, and reduce the hydraulic oil lubrication. Therefore, hydraulic equipment, hydraulic oil required good anti-emulsification properties, the hydraulic oil and water can shortly depart to make the water sink to the tank bottom, after which periodically discharged, to keep away from the formation of a stable emulsion.

2. Improvement of hydraulic oil s, B T1 (+’: f; _
Bizarre hydraulic oil is used because the depth of refining lubricant base oil fraction, plus there are antioxidant preservatives, rust inhibitors, rust inhibitors and anti-foam agents, in addition so as to add a small quantity of anti-put on agent, and some additionally add a pour point depressant. Ordinary hydraulic oil is roughly equivalent to foreign anti-rust antioxidant type (R O / F1 F0 n (x, P (X8 k

2. Antiwear hydraulic oil eight z2 m1 [% V-u “[
Antiwear hydraulic oil may be divided right into a grey-type (ZDDP type) and non-gray two varieties. A gray-sort anti-wear hydraulic oil with superb abrasion resistance, the usage of vane pumps can meet the necessities. Ash-free anti-wear hydraulic oil within the hydrolytic stability, breaking resistance, the availability of oil filter and heat, oxidation stability is healthier than zinc antiwear hydraulic oil. The efficiency commonplace is equivalent to DenisonHF-O. – G2 A2 i4 v: R / V3 j D

3. Low temperature hydraulic oil O8 F. C b * W At low temperature (-15 under) or the ambient temperature varies greatly, hydraulic tools in the outside work to use a low freezing point, excessive viscosity index hydraulic oil, subsequently, should use low-temperature hydraulic oil . Compared with the anti-put on hydraulic oil, hydraulic oil is characterized by low-temperature freezing point lower; chilly stream higher; viscosity index is high (typically above 130); low temperature stability. The main drawback is the wear resistance as anti-wear hydraulic oil; shear is poor, when the hydraulic equipment load is large, it is topic to strong submit-shear viscosity decreased quickly, affecting the conventional operation of gear.

Four. Clear hydraulic oil Hydraulic system with electro-hydraulic servo valve want to make use of clean hydraulic oil, hydraulic oil on the top quality requirements, especially the oil within the solid particles can not exceed a certain range. Stable particles on the hydraulic system of the hurt is severe, it makes hydraulic pumps, hydraulic valves and other precision parts premature wear and a large area of incapacity, the hydraulic system can not operate correctly. 4 o0 x x%) 5 t7 J7 X1 S / h) s

5. Fire resistant hydraulic oil – 5 h $ ^ 9 x, ‘, _5 p6 k
Flame-resistant hydraulic oil mainly used in metallurgy, mining, power plants, machine processing business near or near hearth and heat within the hydraulic system. Divided into water-primarily based hydraulic oil (oil in water sort, water-oil, water glycol type 1), phosphoric acid vinegar-based mostly and different synthetic three, respectively, for various strain vary and temperature range of hydraulic system. Creator Box gaga has 1 articles on-line

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Hydraulic Cylinder- 2011/02/04 20:00:57 pm
Why hydraulic oil is totally different

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