Shaft forgings are metals formed by forging and pressing after solid-state heating. It requires the metal to have good thermoplasticity. Generally, shaft forgings are steel parts. It has high strength and good plasticity, and is suitable for manufacturing important parts with high stress and high requirements. Such as bolts, shafts, gears, etc.

The specific steps of the forging process are as follows:

Material calculation and blanking are one of the important links to improve the utilization rate of materials and realize the refinement of blanks. Excessive material not only causes waste, but also increases cavity wear and energy consumption. If there is no allowance for blanking, it will increase the difficulty of process adjustment and increase the scrap rate. In addition, the quality of the blanking end face also has an impact on the process and the quality of the shaft forging.

The purpose of heating is to reduce the forging deformation force and improve metal plasticity. But heating also brings a series of problems, such as oxidation, decarburization, overheating and overburning. Accurate control of the initial forging and final forging temperature has a great influence on the structure and performance of the product.

Flame furnace heating has the advantages of low cost and strong applicability, but the heating time is long, oxidation and decarburization are easy to occur, and the working conditions need to be continuously improved. Electric induction heating has the advantages of rapid heating and less oxidation, but it has poor adaptability to changes in product shape, size and material.

Forging forming is produced under the action of external force. Therefore, correct calculation of deformation force is the basis for selecting equipment and performing mold check. Stress-strain analysis of the deformed body is also indispensable for optimizing the process and controlling the microstructure and properties of the shaft forging.

Therefore, the quality analysis of shaft forgings can generally be divided into the stage of on-site investigation, the stage of experimental research and analysis, the stage of proposing solutions and prevention countermeasures. Before implementing these stages of work, it is best to formulate an implementation plan, including the tasks, work procedures, and completion time of these three stages. Appropriate additions and modifications can be made to this embodiment during implementation. Making an implementation plan is an important part of analyzing the quality problems of large and complex shaft forgings and used parts.

Harmonic reducer bearings are produced for matching harmonic reducers. They are compact in shape and have mounting holes for easy installation. They are suitable for various types of harmonic reducers. Oil leakage from the end cover of harmonic reducer bearings is also common. In response to this problem, relevant personnel have summarized the causes and treatment methods of oil leakage, let’s take a look~

Causes of oil leakage from the bearing end cover of the harmonic reducer

1. For the oil leakage of the non-shaft extension cover, the main reason is that the gap between the end cover and the box body is relatively large.

2. The main reasons for the oil leakage of the end cover of the shaft extension are that the gap between the end cover and the box is large, the input or output shaft and the inner hole of the end cover are missing or the seal is damaged, the vent plug is blocked, and the oil level is too high.

The treatment method of oil leakage of the bearing end cover of the harmonic reducer

1. For the non-shaft extension cover, it can be reprocessed to reduce the gap. Before installation, apply even sealant on each connection surface and press it tightly. leak.

2. For the bearing cover of the shaft extension, in addition to ensuring the gap between the end cover and the joint surface of the box body, sealing elements and oil drainage plates should be added to the end cover.

3. Add a drainage plate on the inner side of the bearing close to the tank wall, so that the oil thrown on the drainage plate can be drained into the oil pool.

4. The rotation range of the drainage plate in the bearing may be very large. In order to further prevent leakage, a felt sealing ring can be added in the end cover, and the same drainage hole as the fish felt groove can be set on the end cover, even if the oil leaks Into the felt ring, the centrifugal effect can also drain it into the box through the drainage hole, thus effectively cutting off the leakage channel.

5. There is a ventilator installed on the harmonic reducer. If the vent hole is blocked, the temperature of the box will rise, the gas will expand, and the pressure will increase, which will aggravate the oil leakage. Therefore, it is necessary to ensure that the vent hole is not blocked, so that The internal and external pressure of the reduction box is balanced, which can effectively prevent leakage.

6. The increase of oil resistance will reduce the efficiency of the machine, so the amount of oil added must be appropriate, and the depth of the gear in the oil cannot exceed the height of another tooth, because the oil is stirred violently, which will increase the oil temperature and accelerate leakage.

The above article describes in detail the solution to the oil leakage of the bearing end cover of the harmonic reducer. It is worth noting that when selecting the felt ring, the size must be based on the size of the felt groove and the diameter of the shaft. Pay attention to ensure that The tolerance of the shaft and the content of the felt ring is matched, so that the oil leakage of the bearing end cover can be effectively prevented.

More information about harmonic reducer bearings can be accessed by clicking:https://www.prsbearings.com/Harmonic-reducer-bearing/Harmonic-reducer-flexible-bearing.html

The mobile vertical grow rack includes a planting tank and a movable growing frame. There are several uprights fixed on the edge of the planting tank. The upper ends of the uprights are fixedly connected by crossbeams. For the movable growth frame, the upper part of the column is also provided with a support rod for supporting the movable growth frame in an inclined upward direction. The mobile vertical grow rack has the advantages of simple structure, good lighting, good ventilation, and not easy to grow insects, etc., which can effectively improve the growth and yield of plants, and can conveniently solve the problem of plants keeping out of the cold and overwintering.

1. The mobile vertical grow rack is characterized in that the planting frame includes a planting tank and a movable growing frame, and several uprights are fixedly arranged on the edge of the planting tank, and the upper ends of the uprights are fixed by beams connect, the upper movable sleeve of crossbeam is provided with sleeve pipe, is fixedly provided with movable growth frame on the sleeve pipe, and the top of column is also provided with the pole that is used to support movable growth frame to the direction of inclination upward.

2. The mobile vertical grow rack is characterized in that the columns are symmetrically arranged in pairs on the two short edges of the planting groove, and each short edge is provided with two columns, which are combined into two pairs of symmetrically arranged uprights.

3. The mobile vertical grow rack is characterized in that the upper ends of the two pairs of symmetrically arranged columns are fixed with the beams, and there are two mobile vertical grow racks, and the movable growing frames are respectively arranged on the two on the above-mentioned crossbeam, and two movable growth frames are arranged to cross each other.

4. The mobile vertical grow rack is characterized in that the support rod is a “shaped structure, its vertical long end is fixedly arranged on the upper end of the column, and its horizontal short end is higher than the height of the column. The frame of the mobile vertical grow rack leans against the horizontal short end to support the movable growth frame in an inclined upward direction.

5. The mobile vertical grow rack is characterized in that the upper ends of the first pair of two columns symmetrically arranged are fixed with the beams, the movable growing frame is arranged on the beams, and the second pair of symmetrically arranged The height of the upper ends of the two uprights is higher than that of the first pair of uprights, the upper ends of the second pair of uprights are provided with transverse struts, and the higher parts of the upper ends of the second pair of uprights are combined with the transverse struts to form the struts.

6. The mobile vertical grow rack is characterized in that the movable growing frame includes a movable beam and several rows of rattan racks arranged on the movable beam, and the movable beam is fixedly connected with the casing.

7. The mobile vertical grow rack is characterized in that a reinforcing beam is fixedly connected between the two columns.

8. The mobile vertical grow rack is characterized in that the two ends of the beam are respectively set with the sleeves, each of the sleeves is provided with the movable beam perpendicular to the beam, and the two movable beams on the same beam The front ends of the beams are connected to each other through fixed cross bars, and several rows of rattans are arranged between the two movable beams.

9. The mobile vertical grow rack is characterized in that the planting groove is made of cement concrete, and several through holes are arranged at the bottom.

10. The mobile vertical grow rack is characterized in that several rows of racks are arranged between the uprights.

The above is the full introduction of the characteristics of the mobile vertical grow rack. Only by understanding its characteristics in detail can the planting rack be used correctly and the problem of plant protection from the cold and overwintering can be better solved.

More information about mobile vertical grow racks can be accessed by clicking:https://www.etegreen.com/vertical-grow-rack-systems/mobile-vertical-grow-racks/

Hydrated lime is relative to quicklime. It is a common white calcium hydroxide substance with strong corrosiveness. According to the characteristics of the mine, it is mainly used in construction, metallurgy, building materials, mining and other fields. Hydrated lime processing production line is a production line for special treatment of this substance. In order to improve the comprehensive utilization rate of this substance, it is a reasonable choice for us to choose a production line to process it. So what are the main equipment required for a complete set of hydrated lime processing production line?

Summary of equipment required for hydrated lime processing production line

There are many processing techniques for hydrated lime. According to the properties and characteristics of the material, we need to use jaw crusher, Raymond mill, rotary kiln and other equipment. The following three types of equipment are analyzed in detail:

1. Jaw Crusher

This is an extremely common crushing equipment, which is suitable for many types of materials, so it is very reasonable to use it to process hydrated lime. It can effectively filter out impurities in the material, thereby improving its purity and reducing impurities. content, so this equipment is favored and recognized, so it is one of the important components for processing hydrated lime.

2. Raymond mill

Since hydrated lime is a non-metallic mineral, users will also choose Raymond mill for secondary treatment. This equipment has been greatly improved in terms of function through continuous improvement and innovation. During the processing of hydrated lime, The advantage shown is that the production capacity is large, so its output and production capacity will be higher.

3. Rotary kiln

In addition to crushing and grinding, calcination of hydrated lime is also a common processing method, and the equipment to realize the calcination process is the rotary kiln. The new generation of rotary kiln has a very high technological content, and the operation is simpler and more energy-saving. Environmental protection, low energy consumption, this move is in line with the concept of environmental protection, and has been highly recognized by the industry.

The whole set of production line is designed by Cliric according to the needs of customers, so it has more functions and more specific performance, mainly in the following aspects:

1. Rationalized structure: Its structure is very novel, and the overall layout is particularly reasonable, which provides a solid hardware foundation for the smooth operation of the equipment, so it can exert more advantages.

2. Simplified operation: In order to further reduce the difficulty of operation and use of the equipment, Cliric has carefully designed this, so it has a high degree of automation, and it will become easier for users to use.

3. Reasonable price: Only a reasonable price can effectively increase its sales volume, and at the same time enhance its market competitiveness. Our price is relatively reasonable, and it is also more affordable compared with other manufacturers.

For more detailed information about slaked lime production line, click to visit:https://www.ly-gaifeng.com/calcium-hydroxide-production-line/hydrated-lime-production-line

The metal briquette machine is a device that presses metal scraps such as copper scraps/iron scraps/aluminum scraps with adhesives into balls. In response to environmental protection policies, the good initial strength of the ball shape is conducive to furnace reuse. The metal briquetting machine plays an important role in the forming process, and the pressing roller is the core part of the equipment. The diameters of the two pressure rollers are the same, the axes are parallel to each other, and there is a certain gap. There are hemispherical dimples arranged regularly, of the same size and in a uniform shape on the roller sleeve. When the motor starts running, the pair of rollers start turning at the same speed but in opposite directions. When the material passes through the joint of the pair of pressure rollers, it is under pressure and its volume is compressed and becomes smaller.

This ball briquetting machine presses various metallurgical industry waste such as copper filings, iron filings, and aluminum filings into balls to avoid oxidation, reduce packaging costs, improve product transportation capacity, and achieve the purpose of waste utilization and pollution reduction. The double output shaft reducer structure is adopted to improve the precision of the roller; the roller surface of the pressure roller is made of high-quality bearing steel, and the surface hardness can reach above HRC58; The process is processed to ensure its hardness and strength; the pre-pressing machine adopts a speed-regulating motor, and all wear parts are surfacing with wear-resistant alloys to improve service performance and life; the hydraulic standing is placed, it can be automatically started and stopped, and the balance pressure can be automatically controlled.

For more details, click to visit：https://www.zymining.com/briquetting-machine/metal-briquette-machine