Gear shaft high frequency quenching machine quenching process

Gear shaft is a shaft and gear synthesis, is the support of rotating parts. Often used in cars, buses, excavators and other mining equipment. It plays an important role in the operation of mechanical equipment. In the operation of equipment, the gear bearing is required to be subjected to huge friction force, so it is required to have a strong hardness, wear resistance and a long service life. High-frequency quenching machine is widely used in this industry, in the quenching process, the effect is very good.

The surface quenching of gear shaft by high frequency quenching machine is mainly realized by the combination of rapid heating and immediate quenching cooling. The operation is not practicable and local overheating and melting often occur. Due to the different structure of gear shaft, it is difficult to use mechanical automatic method for flame surface quenching in production, and most of them are operated manually. The gear shaft and other quenching parts are quenched one by one by means of circular inductor. Using rapid heating in the process of hardening the surface quickly reach the temperature of quenching, range and quantity of heat to center the rapidly cooling, it can only make the gear shaft surface is hardened to martensite, and the center is still not quenching organization, after quenching, the surface will have a layer of hardening layer, about 2-3 mm, just because of the hardening layer, make gear shaft hardness and wear resistance is greatly increased. The specific application should be determined according to the actual diameter of the gear shaft.

The high frequency quenching machine USES the numerical control system and the import component. Strictly check each device, do not have a detail, to avoid the instability of the equipment. By adjusting the speed and temperature of workpiece moving, automatic continuous quenching treatment of gear shaft can be realized. Fast quenching speed and short quenching time can effectively avoid oxidation and decarburization of gear shaft and ensure the quenching effect of gear shaft. Advanced high-frequency quenching machine replaced the old quenching heating equipment, environmental protection and energy saving, energy saving, energy saving, improve production efficiency, reduce labor costs.

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How do you tell if the camshaft sensor is broken

Small series with you to learn about the camshaft position sensor detection method and fault diagnosis and elimination method:
Methods/Steps

Disconnect the ignition switch and press the sensor wire to connect. Plug the device and connect the positive and negative meters of the multimeter with terminals 1 and 3 respectively. When the ignition switch is switched on, the voltage shall be above 4.5V. If the voltage is zero, the wiring harness has a break or a short circuit. Or the ECU is faulty; When the ignition switch is disconnected, the conductor should be continued to detect whether there is a break or short circuit;

2. The resistance value between the 3 terminals of the sensor and the 67 terminals of the ECU shall not be greater than 1.5 ohms. If the resistance is too large or infinite, it indicates that the wire harness has bad contact or the wire is broken, the wire harness should be repaired or replaced.

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What are the filtering forms of vacuum oil filter?

In the operation stage of the vacuum oil filter, the filter should test the vacuum value, pressure value, heating control, oil pump, vacuum pump operating stability and other tests.

Use logistics transport to reach the user site, need to determine whether the appearance is damaged, whether the mechanical part is loose. Connect the power supply and ground wire, the power distribution cabinet, oil pump, vacuum pump, electric heater wiring should be checked, to ensure that the connection is firm, reliable insulation.

The oil filter is connected to the power supply and ground wire. Before the oil filter works, the oil filter must be placed in balance, and the vacuum pump oil must be injected to make the oil level reach the normal position. Start the pump motor and vacuum pump motor on trial. Observe whether the rotation direction is consistent with the label. If not, switch the power supply phase.

The vacuum oil filter is a general equipment for oil purification, but the dynamic characteristics of its working process and the quality of deep purification still need to be further studied and discussed.

On the basis of the study of the working principle and structure characteristics of the vacuum oil filter, the key problems in different working conditions of the equipment are analyzed, and the improvement ideas for its system structure are put forward to improve the oil purification effect and efficiency of the traditional oil filter equipment.

Vacuum oil filter for oil containing impurities, water, gas, the use of vacuum oil filter can improve the cleanliness of oil products, filter water to improve oil pressure resistance, improve insulation. Due to the difference of oil filter, the structure and working process of vacuum oil filter are different, but the working principle is the same.

Before the vacuum oil filter works, the filter must be placed in balance, and the vacuum pump oil must be injected to make the oil level reach the normal position. The oil pump motor and vacuum pump motor should be started for test. Observe whether the rotation direction is consistent with the label. Test rotation of vacuum pump motor, oil pump motor, etc.

Hydraulic oil in the process of running, water, gas, volatile substances due to various reasons inevitably mixed with oil, accelerate the oxidation of oil, and add to the foam, fouling and the formation of sludge, decrease the oil lubrication, cooling, dispersion and cooling performance, cause the corrosion and wear of the metal parts at the same time, the influence of hydraulic system, power system, the normal operation of the lubrication system.

Transformer oil vacuum filter oil can quickly remove water, gas, impurities and volatile (gasoline, diesel oil, kerosene, etc.) in the oil. Improve oil quality, restore lubricating oil viscosity, flash point and service performance. Ensure the normal operation of hydraulic system, power system and lubrication system.

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Oil filter equipment operation is simple, remarkable effect

Inside the filter there is a rotor with a dual jet nozzle, which is driven only by the pressure generated by the oil. After the equipment is turned on, the oil in the oil tank is sent to the rotor through the pump, and the oil is discharged along the nozzle at the bottom of the rotary table when the oil is full of the rotor. Then the driving force is generated to make the rotor rotate at a high speed.

Its rotation speed can reach more than 4000-6000r.p.m., and the force generated is more than 2000 times that of gravity. The centrifugal force principle directly drives the impurities to be separated from the oil. Even 1 m of hard, sharp, abrasive metal material can be removed, together with residues that cause parts to wear out or oil to deteriorate. The separated impurities are attached to the impurity collection cover in the rotor and only need to be cleaned regularly. In addition, because the specific gravity of water is higher than that of oil, under the action of centrifugal force, the water will be separated from the oil and stored in the rotor oil pan. It only needs to be removed during cleaning, and the filtered oil will flow directly back to the oil tank of the oil filter through gravity.

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What is the main working principle of coalescing dewatering oil filter

 

Coalescing dehydration oil filter adopts "coalescing separation" dehydration technology, which integrates the functions of precision filtration and university filtration. It can efficiently remove the particulate pollutants, emulsified water, dissolved water and free water in the oil, and the filtration accuracy can reach LEVEL NAS4-6 to achieve continuous operation and unattended operation, which does not use vacuum separation technology.

Main working principle of coalescing oil filter
Coalescence separation is equipped with two filter elements with different functions: coalescence filter element and separation filter element. When the oil flows through the coalescer, it goes through four process stages of filtration, coalescing, sedimentation and separation to achieve the function of filtering out particulate pollutants and water.

The oil first flows from the inside to the outside through coalescer filter element, which is made of special glass fiber and other synthetic materials and is specially prepared for oil dehydration. It has good hydrophilicity. Coalescing filtration core has the dual function of filtering particulate pollutants and coalescing water.

The innermost high-precision filter material first filters out the particulate pollutants in the oil. The outside demulsification coalesce to form droplets in the oil. The larger ones will settle to the sink by their own gravity, while the smaller ones will be carried along by oil before settling.

The separation filter is made of specially treated stainless steel mesh, which has good hydrophobicity. When the oil flows through the separation filter core from the outside, the small water droplets are effectively intercepted outside the filter core, only allowing the oil to pass through, not allowing the water to pass through, thus further separating the water.

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The main factors of the oil filter piping system

 

1. The pressure

2. The temperature

3. Type of fluid medium

A) fluid

B) Gas: for example, steam or air

C) Content of impurities or abrasives (aggressive substances)

D) corrosive

4. Medium flow

A) Open-close adjustment

B) Need to prevent backflow or backflow

C) Focus on pressure drop

D) the velocity

5. Work environment

A) condensation

B) Operating frequency

C) Accessibility

D) External dimensions/applicable space

E) Manual or automatic control

F) Bubble-free closing performance is required

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Technical upgrade and performance analysis of oil filter

1. Performance introduction of each type of oil filter;

I. YJL Assembled automatic backwash filter device -- Turbine turbine oil Purpose:

This product is suitable for steam turbine oil system, can be in series on the lube oil supply unit mother tube, with synchronous operation, the product by enclosure, pipeline, instrument panel and ZCL - type I, automatic backwash filter elements, high filtration precision, large oil capacity, low pressure loss, safe and reliable, easy installation and maintenance workload small, etc. This device can effectively control the cleanliness of oil, improve the safety and reliability of unit operation, and greatly shorten the oil cycle time during maintenance. This product has been widely used in the oil system of 50 ~ 600MW units.

Ii. Vacuum Use of turbine Oil:
TY - Q series turbine oil vacuum filter oil machine, widely used in electric power, chemical industry, paper making, petroleum, metallurgy, etc., turbine oil purification treatment of unqualified, the machine set precision filter, vacuum drying, coalescence separation, three-dimensional spiral atomization technology at an organic whole, make have mixes up, water cut, aging, acid, much bubble is inferior product, serious turbid turbine oil emulsion was treated after become clear and transparent, reached the standard of new oil. It is an ideal equipment for purifying turbo oil on line to ensure the service life of turbo oil.

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