#stretch bending machine

[shengyaqi]

Stretch bending machine machinery industry

With the continuous expansion of the stretch bending machine market, major businessmen have already waged a battle without gunpowder in this market segment, hoping to gain a good market share in this fast-growing industry. Today, Shengyaqi Auto Parts briefly analyzed the outstanding development of a stretch bending machine in the machinery industry.

Regarding the nationally focused stretch bending machine work area, strengthened product independent innovation and special machine development and research, completed useful breakthroughs in precision manufacturing, extreme manufacturing, etc., and upgraded large and heavy CNC profile bending machines. Today, the world's science and technology development is changing with each passing day. Stretch-bending machine processing technology has entered the era of sub-micron and nano-level super-finishing. The way and way to expand the trend of the stretch-bending machine industry is all necessary efforts to strengthen the domestic stretch-bending machine industry in the future.

After China’s stretch bending machine industry has experienced the development process of learning, imitating, and independent innovation, the technical level of the world’s stretch bending machine at that time was based on the production and promotion of single-machine CNC profile bending machines. Deepen reforms, actively adjust the layout of industries and products, speed up the research and development of middle-stretch bending machines and functional components, and open up shopping malls. The methods of innovation and promotion policies for stretch-bending machines should be actively promoted and implemented.

[shengyaqi]

Development of stretch bending machine

Stretch bending machine is a relatively advanced profile forming equipment at home and abroad. It is widely used in the production of various circular flanges in petroleum, chemical, steel structure, machinery manufacturing and other industries. Slightly different from the steel bar bending machine, the stretch-bending machine can complete the pre-bending, rounding and rounding procedures of the profile at one time; the stretch-bending machine has advanced structure and full functions, and can be placed vertically or horizontally according to the user's use.

The development of the stretch bending machine industry has been weak for many years. At that time, there was still a considerable gap between the precision, power, automation, intelligence, and environmental protection from the advanced level of foreign countries. Nowadays, the market is globalized, technology is globalized, and investment is globalized.

Stretch bending machine has become the key growth trend of China's stretch bending machine industry. In the next five years, the compound growth rate of the national stretch bending machine industry is about 25-30%. Among them, the stretch bending machine will become the main force of growth. The material bending machine is facing obsolescence, idleness, technical or productive elimination, which accounts for about half of the annual output of new stretch bending machines. About half of the output.

Ningbo Shengyaqi Auto Parts Co., Ltd. is located in Jiangbei Industrial Zone, Ningbo City, Zhejiang Province, China. The company is mainly engaged in the research, development and manufacturing of special tools and equipment such as roll forming products and stretch bending machines. With an excellent team and first-class management level, it is deeply loved by consumers. If you are interested in us, please come to consult, we will provide you with the best quality service.

[shengyaqi]

Common malfunctions and improvement of stretch bending machine

Common malfunctions

(1) Check the control valve. First, clean the safety valve and check whether the valve core is worn or not. If it is worn, replace it. If there is no change after the safety valve is installed, check the abrasion of the control valve spool. The use limit of the clearance is generally 0.06mm. If the safety valve is severely worn, it should be replaced.

(2) Measure the pressure of the hydraulic pump. If the pressure is low, make adjustments. If the pressure still cannot be adjusted, it means that the hydraulic pump is severely worn.

(3) Check the internal leakage of the cylinder of the boom profile bending machine. The simple method is to raise the boom and see if there is a clear free fall. If the drop is obvious, disassemble the hydraulic cylinder of the bending machine for inspection, and replace the sealing ring if it is worn.

Improvement and effect

(1) Improve the design of hydraulic system. After many demonstrations, it adopts advanced priority valve and load-sensing full hydraulic steering gear. The new system can prioritize the distribution of flow according to the steering requirements. Regardless of the size of the load and the speed of the steering wheel, it can ensure sufficient fuel supply, and the remaining part can be supplied to the working device circuit, thereby eliminating the power caused by excessive fuel supply in the steering circuit Loss, improve the system efficiency, reduce the working pressure of the hydraulic pump.

(2) Pay attention to the correct use and maintenance of the loader during use, add or replace hydraulic oil regularly, maintain the cleanliness of the hydraulic oil, and strengthen daily inspection and maintenance.

Ningbo Shengyaqi Auto Parts Co., Ltd. is located at Jiangbei Industrial Zone, Ningbo, Zhejiang, China. Our company mainly engaged in roll forming products, specifically the research,development, and manufacturing of special tools and equipment.The main products are divided into three categories:roll forming equipment, production tooling for ordinary metal structural parts, Production tooling for high-strength board products. If you are interested, please come to consult. We will provide the most detailed product introduction.

[shengyaqi]

Safety instructions for Stretch Bending Machines

(1) The power supply of this equipment is 380V, and the control power supply is 220V. A leakage protection switch must be installed externally.

(2) The equipment must be operated by personnel or strictly trained and qualified personnel.

(3) Safety protection piles must be placed when the equipment is stretched and bent, and personnel are strictly prohibited to stand in front of the workpiece and on both sides of the chuck during the stretch and bend process.

(4) Overload operation is strictly prohibited to avoid damage to personnel and equipment.

Ningbo Shengyaqi Auto Parts Co., Ltd. is mainly engaged in the research, development and manufacturing of roll forming products, especially special tools and equipment. The factory covers an area of 10,000 square meters, with about 150 employees and 25 professional technicians, including 4 electrical engineers, 2 hydraulic engineers, 6 mechanical mold engineers, and 3 product engineers. The stretch bending machine produced is well-known at home and abroad. If you are interested in us, please come to consult!

[shengyaqi]

Points of Attention in Stretch Bending Machine Operation

The important thing in auto parts manufacturing plants is the bending equipment, and the equipment needs to be maintained for long-term use. Then, what are the precautions for the use of the bending machine? Ningbo Shengyaqi takes you to look at the points of attention in the operation of the stretch bending machine.

(1) The equipment installation should be carried out by personnel, and the installation should be carried out in accordance with the "Mechanical Equipment Installation Regulations".

(2) Dig the foundation according to the equipment foundation plan, leave the secondary pouring hole according to the figure, and perform a primary irrigation. After the primary irrigation, it will solidify for 2-3 days according to the temperature change.

(3) After the equipment is in place, adjust the level and perform the second watering, and the equipment can be operated after it has solidified.

(4) Oil connection pipe

The oil pipe ports must be cleaned up, and the order of pipe connection is upper "back" and lower "out". The two on the left are stretching cylinders; the two in the middle are chuck cylinders; and the two on the right are bending cylinders.

(5) Two barrels of anti-wear hydraulic oil (170KG) must be passed through the refueling filter screen when refueling.

(6) Wiring must be operated by personnel. The equipment power supply is 380V, a leakage protection switch must be installed, and the control power supply is 220V.

[shengyaqi]

How to avoid wrinkling when the profile is stretched and bent?

Stretch bending forming is still very practical in many profile processing. In the process of using the stretch bending machine, do you know how to avoid wrinkles when the profile is stretched and bent? Ningbo Shengyaqi Auto Parts will show you how to effectively avoid wrinkles when the profile is stretched and bent.

The profile bending is suitable for many kinds of profiles. The ratio and width of the width to the thickness of the rectangular cross-section profile are the main factors that affect the occurrence of wrinkles, and are also the cause of wrinkles in the data function. Nowadays, many people have discovered and studied that there is a connection between rectangular cross-section profile and rectangular plate wrinkle.

In the profile, their varieties are different, the materials are different, and the cross-sections are also different, which will form the difference between wrinkles. Rectangular surface materials also have wrinkling behavior when they are stretched and bent. Corresponding research has been done. There are also wrinkling behaviors in pure twists and turns under the profile stretch and bending, and they are different in many aspects.

Profile stretch bending machine work Regarding national key development areas, strengthen product independent innovation and special machine development and research, complete useful breakthroughs in precision manufacturing, extreme manufacturing, etc., upgrade large and heavy CNC profile stretch bending machines, and today the world's science and technology development With each passing day, the profile stretch-bending machine processing technology has entered the era of sub-micron and nano-level super-finishing. The way and methods for the profile stretch-bending machine industry to expand are all necessary efforts to strengthen the domestic profile stretch-bending machine industry in the future.

Ningbo Shengyaqi Auto Parts Co., Ltd. has been able to stand firm in the market and has withstood setbacks again and again because of the trust of customers. Among the many profile stretch bending machine suppliers, we adhere to our own development philosophy and business philosophy, provide customers with the most complete services, and continuously improve during the development process. This is one of the reasons for winning the trust of customers.

[shengyaqi]

Roll forming equipment-stretch bending machine waiting for you

As a roll forming equipment, the stretch bending machine is the most effective mechanical equipment for the manufacture of roll forming products. The quality is stable and reliable, praised by customers, undertake external processing, and meet the requirements of customers. The application is very extensive. Next, follow Shengyaqi, let's take a look at this kind of roll forming equipment!

Stretch bending machine is a kind of high-efficiency processing equipment for bending angle steel, channel steel, I-beam, flat steel, square steel, round steel, etc. It is widely used in petroleum, chemical, hydropower, shipbuilding and machinery manufacturing industries. The two lower rollers of this machine are the main driving rollers, or three rollers are the main driving rollers. The two side rollers move in an arc around the fixed center of rotation. There are roller devices on both sides to ensure asymmetrical section. Rolling quality of profile.

The stretch bending machine is divided into two types: flat bending and vertical bending. It is an advanced machine for bending flat steel, square steel, round steel, angle steel, I-shaped steel, H-shaped steel, square tube, rectangular tube, round tube and other profiles. It is an active roller, driven by three independent hydraulic motors, with fast rolling speed and high efficiency. It is currently the most advanced profile forming equipment at home and abroad. It is widely used in petroleum, chemical, steel, machinery manufacturing and other industries. Production of round flanges.

The profile stretch bending machine can complete the pre-bending, rolling and rounding processes of the profile at one time. It has an advanced structure and complete functions. It can be placed vertically or horizontally according to the user's use. It is an arc-down-adjustable profile bending machine. Two side rollers are the main driving rollers, or three working rollers can be the main driving rollers. The position of the upper roller is fixed. The two side rollers move in an arc around the center due to the fixed rotation, hydraulic control, and displacement liquid crystal display, which is beneficial to The profile forming process is controlled, and there are idler devices on both sides, which is beneficial to ensure the rolling quality of asymmetric cross-section profiles.

The bending technology and process research team produced by Ningbo Shengyaqi Auto Parts Co., Ltd. quickly realized the development, application, current situation and prospects of the intelligent technology of metal profile bending equipment. Great breakthroughs have been made in performance, efficiency and accuracy. If you want to know more about roll forming equipment, please come to consult.

[shengyaqi]

Rolling equipment-development trend of stretch bending machine

In order to effectively control the rebound deformation of the material, it is required that the material can be formed under a specific stress state and strain rate. Therefore, the rolling equipment is required to accurately control the stretching force, stretching speed, and stretching accuracy of the stretching machine. Let us take a look at the development trend of stretch bending machine as one of stretch bending equipment.

Compared with the cutting and grinding processes, the roll forming process not only has high production efficiency, saves materials, but also has high product strength and stable quality. This process is particularly suitable for processing special long and short workpieces that are difficult to cut, especially for annual production. For millions of products in large quantities, the use of roll forming technology is the most advantageous and the economic benefits are also the most considerable. The rolling process is a cold forging process, and there are many materials that can be rolled. Among them, low-carbon steel is a commonly used material for roll forming, and non-ferrous metals are more suitable for roll forming.

Stretch-bending and cold-bending equipment, forging and other volume forming equipment and sheet metal processing equipment have been developed in parallel, with a complete range of specifications, rapid growth in quantity, and continuous use of new products and technologies. The overall technical level and numerical control rate of products continue to advance, and a large number of The export was completed, which satisfied the needs of my country's economic development.

In terms of pipe processing equipment, due to the rapid increase in the use of pipes in my country, the pipe application market is very large. The automotive industry, furniture industry, sports equipment, boiler industry, exhaust pipes, etc., have grown rapidly in terms of specifications, types, and quantities, and their technical level Fast forward and basically satisfy the domestic market demand.

Ningbo Shengyaqi Auto Parts Co., Ltd. was established in 2005 and is located in Jiangbei Industrial Zone, Ningbo City, Zhejiang Province, China. The company is mainly engaged in the research, development and manufacturing of roll forming products, special tools and equipment. With an excellent team and first-class management level, it is deeply loved by consumers. If you are interested in us, please come to consult, we will provide you with the best quality service.