Structural characteristics and production process of paper bag square bottom machine

The paper bag square bottom machine is mainly used for producing valve bags made of kraft paper. It is mostly used to produce a square bottom valve bag for packing cement, mortar, grain and other granular live powder materials. It can complete 60-120 pieces of valve bag bottom paste work per minute. The following square bottom machine manufacturer will introduce the structural characteristics of the paper bag square bottom machine.

Introduction to the structure of the paper bag square bottom machine

HD100-IB Square Bottom Machine

1. Structural composition of square bottom machine

(1) The steel plate of the main engine head adopts 45# steel plate with a thickness of 40mm;

(2) The structure of the discharging component adopts 12mm thick steel plate, and the surface is treated with 3 layers of paint;

(3) 120# channel steel is used for the intermediate support;

(4) The coil unwinding unit adopts air-expanded shaft core: 4 sets (45# steel; the surface is quenched by this high frequency; the bearing weight is 1.3 tons);

(5) The structure and parts of other mechanical parts are made of 45#, A3, cast iron and so on.

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Details can be accessed by clicking here:https://www.lyhuatianm.com/products-information/structural-characteristics-of-paper-bag-square-bottom-machine.html

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WHAT ARE THE CHARACTERISTICS OF THE ENVIRONMENTALLY FRIENDLY CALCIUM HYDROXIDE PRODUCTION LINE?

With the development of society, the requirements of environmental protection for various industries are getting higher and higher. For calcium hydroxide production enterprises, the requirements for environmental protection are also improved. We know that the current production of calcium hydroxide is generally It is completed by using a complete calcium hydroxide production line, and for the current new calcium hydroxide equipment, the configuration is relatively complete, and the requirements for environmental protection are also improved a lot.

At present, the demand for calcium hydroxide calcium powder in society is relatively large. The calcium hydroxide production line is determined by the dry production process of calcium hydroxide equipment used for calcium hydroxide calcium powder. Ca The main advantage of the dry process of calcium hydroxide equipment is that it can achieve fully automatic production, the production process is environmentally friendly, the output is large, the quality is stable, the calcium hydroxide product produced has no impurities, good activity and other advantages, a wide range of use, convenient storage and transportation.

GFX Stepped Calcium Hydroxide Production Line

The traditional calcium hydroxide production line has low production efficiency, high energy consumption, and a large amount of flue gas emissions. Therefore, as equipment manufacturers, they are actively innovating, and all the supernatural powers are developing calcium hydroxide equipment in the direction of energy-saving production. The environmentally friendly calcium hydroxide production line produced by our company has been accumulated for a long time in actual use, and customers have really felt it. Advantages of using environmentally friendly calcium hydroxide production line.

1. Produce diversified products to meet the needs of customers in various industries. The environmentally friendly calcium hydroxide production line we use can produce calcium hydroxide with specifications of 3T/h, 6T/h, 10T/h, 15T/h, and 20T/h. These calcium hydroxide specifications meet the needs of most customers. This also increases our customer base.

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Details can be accessed by clicking here:https://www.ly-gaifeng.com/blog/environmentally-friendly-calcium-hydroxide-characteristics.html

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What is the general slope of the linear vibrating screen?

The slope of the linear vibrating screen refers to the angle between the screen surface and the horizontal direction. This slope is related to the screening efficiency, because only if the slope is appropriate, the screening of the material can be more accurate. If the slope is too large, the material will be on the screen surface. The residence time will be short, although the discharge is easier, but the material is not carefully screened, if the slope is small, the material will stay on the screen surface for a long time, but the output per unit time will be low, so the slope of the linear vibrating screen is still To be within a reasonable range, what is the general slope of the linear vibrating screen?

What is the general slope of the linear vibrating screen

High frequency dehydration vibrating screen

The slope of the linear vibrating screen is generally between 0-15°. If you want to screen special materials, you can increase the slope, but it does not exceed 25°. The material of the linear vibrating screen equipment moves in a straight line on the surface of the screen. Generally, the screen of the linear screen will have a certain inclination angle to promote the flow of the material on the screen. The angle between the screen and the horizontal plane is the slope of the linear vibrating screen. Appropriate slope screening effect is better, not only can the material classification be clear, but also can screen efficiency, but in actual production, the installation slope of the vibrating screen should be adjusted according to the specific properties of the processed materials and the different output requirements, but this The process should also be strictly in accordance with the implementation of the vibrating screen manufacturer.

The slope setting of the linear vibrating screen is related to the material to be screened. The linear vibrating screen is suitable for screening non-viscous dry powders and granules with a moisture content of less than 7%. When the moisture content of the material increases slightly, the linear vibrating screen can adjust the slope appropriately.

The influence of the slope of the linear vibrating screen

Linear vibrating screen

1. Affect the screening efficiency

The slope of the linear vibrating screen will directly affect the efficiency of the vibrating screen. If the slope is too large, the residence time of the material on the screen surface is short, and it is easy to discharge, but it will cause uneven screening of the material and affect the screening fineness.

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For details, please visit:https://www.hsd-industry.com/news/linear-vibrating-screen-slope/

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How to increase the output of the briquetting machine?

We are all concerned about the output of the ball briquetting machine. If the output of the ball briquetting machine does not meet the requirements, then even saving energy is useless. Next, we will focus on how to increase the pressure of the ball briquetting machine and supporting facilities without changing. The output of the ball machine?

How to increase the output of the ball press

1. The composition of the pressed material, that is, the degree of adhesion is very important and is a key factor in determining the ball-forming effect and productivity. Therefore, before the ball is pressed, the material should be fully dry-mixed to ensure smooth production.

2. The material of the pressure roller is very important. The selected alloy steel material is too single, and long-term use will cause wear and tear, which will have a great impact on production efficiency.

3. The motor and deceleration device of the briquetting machine are also very critical, and a good motor and deceleration device can also indirectly increase the output.

briquetting machine

Precautions for the operation of the ball press

1. During the production process of the briquetting machine, metal and stones should not be allowed to enter the inside of the machine, so as to avoid construction hazards and damage to the structure of the machine;

2. The particle size of the materials used in the briquetting machine must be kept within 3 mm, otherwise it will affect the production efficiency and quality, and also reduce the service life of the briquetting machine;

3. Before starting, it must be ensured that the inside of the machine is empty, and no material is allowed to start;

4. It is strictly forbidden for non-professionals to disassemble and modify the fuselage;

5. It is necessary to regularly maintain and maintain the ball press, and it is strictly forbidden to use it with faults to avoid unnecessary dangers and losses.

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For details, please visit:https://www.zymining.com/blog/increase-briquetting-machine-output.html

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What are the advantages of chemical liquid trucks?

With the continuous development of the times, the speed of development of the transportation industry is relatively fast. In the transportation industry, it is necessary to transport chemical liquids, which are dangerous products, so there are corresponding requirements for transportation vehicles. What are the advantages of chemical liquid transportation vehicles?

There are many advantages of chemical liquid transport vehicles. For example, it has anti-corrosion and anti-aging effects, which has a lot to do with the application material of the vehicle. Generally, these vehicles use advanced large-scale rotomolding equipment for one-time molding. Welds are non-toxic, have certain advantages in price, and have a long application cycle.

The chemical liquid transport vehicle does not leak during operation. We all know that to ensure its stability during chemical liquid transport, the choice of transport is very important. Many of these vehicles have the advantages of about 8 years of service life and low prices. It adopts the same shape as the oil tank separator, and the double-layer structure of each separator is rotomolded after welding with the tank body. Compared with the full-plastic separators in the same industry, the steel-plastic composite steel-plastic separators of the steel-lined plastic chemical tank trucks the process has three advantages:

/tank-truck

1. It can increase the strength of the tank by 3 times, and the partition will not collapse. All-plastic separator, because the separator is not welded to the tank body, it is fixed with 4 PP pipes to the head, which has little effect on the strength of the tank body. If the tank is not filled with liquid, it is easy to deform and collapse. Tank deformation, cracking and other problems.

2. Good stability and balance, because the separator has only one manhole with a diameter of 500mm, so the liquid flow is small. Generally, the vacancy gap of the all-plastic separator is half the size of the tank section. If the gap with a large section exceeds two-thirds, the vacancy gap is too large to cause unstable driving, and the poor balance is prone to traffic accidents.

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For details, please visit:https://www.ly-cimc-linyu.com/a/news/advantages-of-chemical-liquid-trucks.html

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WHAT ARE THE BASIC PROCESSES OF FREE FORGING?

Free forging is a processing method that uses impact force or pressure to deform the metal freely in all directions between the upper and lower anvil surfaces, and obtains the required shape and size and certain mechanical properties without any restriction, which is referred to as free forging. The tools and equipment used in free forging are simple, versatile and low in cost. Compared with casting blanks, free forging eliminates shrinkage holes, shrinkage porosity, pores and other defects, so that the blanks have higher mechanical properties. Forgings are simple in shape and flexible in operation. Therefore, it has special significance in the manufacture of heavy machinery and important parts.

BASIC PROCESS OF FREE FORGING

The basic processes of free forging include upsetting, drawing, punching, bending, torsion, offset, cutting and forging.

Upsetting

A forging process that reduces the height of the blank and increases the cross-sectional area. The upsetting process is mainly used for forging gear blanks and round cake forgings. The upsetting process can effectively improve the blank structure and reduce the anisotropy of mechanical properties. Repeated upsetting and drawing can improve the morphology and distribution of carbides in high-alloy tool steels.

Agricultural machinery bearing sleeve

Upsetting mainly has the following three forms:

1. Complete upsetting. Complete upsetting is to place the blank vertically on the anvil surface, and under the hammering of the upper anvil, the blank will be plastically deformed with a height reduction and an increase in the cross-sectional area.

2, the end upsetting. After the billet is heated, one end is placed in a drain or mold to limit the plastic deformation of this part, and then the other end of the billet is hammered to make it upsetting. The upsetting method of the leaking disc is mostly used for small batch production; the method of upsetting the tire mold is mostly used for mass production. Under the condition of single-piece production, the part that needs upsetting can be heated locally, or after all heating, the part that does not need upsetting can be chilled in water, and then upsetting is performed.

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For details, please visit:https://www.gold-emperor.com/the-basic-process-of-free-forging/

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WHAT ARE THE ADVANTAGES AND DISADVANTAGES OF FREE FORGING?

Free forging is what we call free forging, which is completed by gradual local deformation of the blank on the flat anvil or between the tools. Because the tool is in contact with the blank part, the stagnant grid work is much smaller than the die forging bar for the production of forgings of the same size, so free forging is suitable for forging large forgings. Of course, free forging also has certain advantages and disadvantages in the forging process. Yes, let’s find out together!

Agricultural machinery lifting arm

THE ADVANTAGES OF FREE FORGING :

(1) Free forging can improve the structure and properties of metal. The quality and mechanical properties of metal free forgings are higher than those of castings, and their strength is 50% -70% higher than that of castings, so they can withstand large impact loads. Forgings can reduce the weight of the parts themselves on the premise of ensuring the design strength of the parts, which is of great significance to aerospace and transportation.

(2) Free forging can save raw materials. Parts with shapes closer to the part can be produced using the free forging method.

(3) Free forging is suitable for single-piece small batch production, and the variety is more flexible.

(4) Since there is no lateral flow in the straight shaft or curved shaft parts and annular parts, the streamline distribution is generally more reasonable than that of die forgings. It is especially suitable for straight or curved shafts, discs or rings with simple shape, small cross-section change and gentle main axis.

(5) Some special quality torsion requirements can be met by the free forging process, such as reverse upsetting can improve the quality of raw materials.

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For details, please visit:https://www.gold-emperor.com/advantages-and-disadvantages-of-free-forging/

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WHAT ARE THE MAIN FACTORS AFFECTING THE QUALITY OF DIE FORGINGS?

The die forging process has high production efficiency, low labor intensity, accurate dimensions, small machining allowance, and can forge forgings with complex shapes; it is suitable for mass production. However, the cost of the die is high, and special die forging equipment is required, which is not suitable for single-piece or small batch production. Therefore, the quality of die forgings is also more concerned by users. Correctly understand the main factors affecting the quality of die forgings. very important meaning.

THE MAIN FACTORS AFFECTING THE QUALITY OF DIE FORGINGS

Other agricultural machinery forgings

1. DEFECTS IN RAW MATERIALS

For example, there are residual shrinkage holes, bubbles, porosity, inclusions, etc. in the ingot or steel, which may cause the forging to crack. Forging cracks caused by metallurgical reasons are often accompanied by a large number of oxides, sulfides, silicates and other inclusions. The raw materials of high carbon and high alloy steel are prone to serious segregation of second phases such as carbides. If they are not crushed and evenly distributed during forging, the mechanical properties of the forgings will be reduced, and the forgings may be cracked or evenly distributed during heat treatment. distortion. If there are scratches, scars, folds and cracks on the surface of the raw material, it will bring defects to the forgings. Therefore, raw materials must be inspected in die forging production.

2. HEATING SPECIFICATION

When forging large die forgings and alloy steel die forgings, if the heating speed is too fast, the temperature difference between the inner and outer layers will be large, and the central part will be cracked due to temperature stress and structural stress.
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When the heating temperature is too high and the holding time is too long to cause slight overheating, a lustrous, crystalline, and intergranular fracture will be produced. Coarse grains that are slightly overheated can be corrected by annealing or normalizing, followed by recrystallization. In severe overheating, fractures or stone fractures will occur. The characteristics of the fracture are fish-scale bright spots and transgranular fracture; the reason for the fracture is that the coarse austenite grains form an intragranular texture with extremely high stability. Texture characteristics are preserved.

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For details, please visit:https://www.gold-emperor.com/factors-affecting-the-quality-of-die-forgings/

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What are the manufacturing process of slewing bearing?

The slewing bearing structure includes: inner ring, outer ring, rolling elements and cage guided by rolling elements. It is an important transmission component in mechanical equipment and has been widely used in construction machinery, light industrial machinery, metallurgical machinery, medical machinery, marine equipment and other industries. Application, then the excavator slewing bearing manufacturer will take you to understand the manufacturing process and detailed steps of the slewing bearing.

1. Cutting of slewing bearing steel raw materials

The commonly used raw materials for slewing ring bearings are carbon-chromium bearing steel that is hardened as a whole, and the slewing ring is made of surface-hardened steel, generally made of 50Mn steel, such as: S48C, 42CrMo, 5CrMnMo. The cylindrical raw material billets transported from the steel mill are cut according to the size required for processing the bearing. Generally, the carbide saw blade should be used for cutting bearing steel, which has high hardness, wear resistance, good strength and toughness, heat resistance, corrosion resistance, etc. A series of excellent properties.

2. Slewing bearing billet forging

In a heating furnace, the billet is heated and forged into a round cake shape. The forging link is an important link to ensure the reliability and life of the bearing. After the raw material is forged, the bearing ring blank is formed. At the same time, the organizational structure of the raw material becomes denser and the flow line becomes better, which can improve the reliability and service life of the bearing. In addition, the quality of the forging process will directly affect the utilization rate of raw materials, thereby affecting the production cost.

3. Forging ring of slewing bearing

The billets are forged into ring-shaped steel rings using a ring mill. Forging can improve the internal structure of steel and improve the strength, plasticity, impact toughness and other mechanical properties of steel.

4. Rough turning

The steel ring after the ring is put into the machine tool, rough machining is performed, various groove raceways are turned, the steel ring is fixed on the gear milling machine, and the teeth are cut. The main purpose is to make the finished ferrule the same shape as the final product, to create conditions for post-grinding machining.

slewing bearing

5. Slewing bearing quenching (heat treatment)

After machining, through the quenching operation, the strength and hardness of the steel are improved, and the wear resistance, fatigue strength and toughness of the metal are improved. The heat treatment process is to carry out high temperature treatment on the bearing ring after forging and turning, which directly affects the uniformity of carburization in the bearing ring, which can improve the wear resistance and hardness of the bearing, and also affects the reliability and life of the bearing important part.

6. Slewing bearing opening processing

Drill the mounting hole on the end face of the steel ring. When opening the slewing bearing, the center and cutting angle should be determined, and the drilling machine, hand-held electric drill and hand drill should be selected for operation.

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For details, please visit:https://www.excavatorbearing.com/a/bearing-knowledge/manufacturing-process-of-slewing-bearing.html

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What are the factors that affect the life of the slewing bearing?

In fact, when it comes to the factors that affect the life of the slewing bearing, there are many factors that work together to affect the life of the bearing. Many of these factors are difficult to express in a quantitative way and have a direct relationship with the bearing life, but in most cases, it also has a more or less impact on the bearing life from the side. For this problem, slewing bearing manufacturers start from the production and use of bearings. A detailed analysis of the factors affecting the life of the slewing bearing.

Production

slewing bearing

1. Structural design

The design structure of the slewing bearing includes rolling elements, inner and outer rings, and cages. In the design, the diameter of the rolling elements, the number of rolling elements, the wall thickness of the ring, the effective length of the rolling contact, the tightness and the convexity of the contact surface of the raceway should be considered. shape and size. At the same time, the chemical composition of bearing production materials, oxides, impurities, gases and other factors have an impact on bearing performance and life.

2. Processing technology

The impact of bearing processing technology on bearing performance and life is a more critical part. In the process of bearing manufacturing and processing, the hardness, metallographic structure, burn, bump and surface roughness of the working surface of the bearing, the shape of the surface busbar, the thickness of the ring wall, the poor grouping of parts, the accuracy of the roller guide surface, the bearing clearance, the parts Cracks, residual magnetism and residual stress on the surface of the parts will also affect the life of the bearing.

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For details, please visit:https://www.excavatorbearing.com/a/bearing-knowledge/factors-affecting-the-life-of-slewing-bearing.html

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