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Hydraulic pipe bending machine to obtain customer satisfacti

The mechanical department of the hydraulic pipe bending machine manufacturer has four major structures, which are power source structure, clamping fixed structure, bending radius control machinery and propulsion structure. The hydraulic pipe bending machine has the effect of automatic production, can improve the ability of the equipment, integrated with many years of design and maintenance experience, the structure of the whole machine is more reasonable, the equipment installation is convenient, the operation is stable and easy to maintain. The equipment has the advantages of light operation, long life, low noise, multi-purpose, high quality and low price, and is a supporting equipment for mechanized steel pipe production, and the listing of the equipment can greatly reduce the labor intensity of workers and improve the production efficiency of enterprises. Main features: large tonnage hydraulic or chain mechanical push tube, stable bending process, adjustable rocker arm, adapt to a variety of radius regulation

When bending the pipe, the inner and outer sides of the pipe are subjected to tensile stress and compressive stress at the same time. The pipe changes, causing the bending mass to fall, the purpose is to ensure the quality of the pipe. The principle of the pipe bending machine is divided into: medium frequency heating pipe bending machine, the principle is to use the medium frequency power supply to heat the steel pipe, and at the same time to promote the steel pipe at a constant speed, so that the steel pipe of the heating department walks along the designed track to form a bend with a certain curvature radius and Angle. The steel pipe is first installed in place, and the bending radius is adjusted by the lead screw master transmission device on the rocker arm rotating device. The bending radius of the steel pipe is then bent after the heating ring is heated to a certain temperature. When bending, the hydraulic pressure is used as the power, and the steel pipe is pushed forward by a dolly and deformed at the heating place along the adjusted bending radius. Thus the required bending pipe fittings can be obtained.

The power system of hydraulic pipe bending machine is mainly composed of motor and reducer, there are two things, fast forward (backward) and work forward, respectively driven by AC motor and variable frequency motor. The variable frequency motor is the power of the pipe bending machine. Ac motor brake and electromagnetic clutch and AC motor linkage control. Transmission structure mainly includes gear group, chain, guide rail and so on.

How is the bending machine: Push the radius of the bending pipe (more than 2.5D) is the main point: the pipe with the same diameter uses the four-wheel clamp steel pipe to feel the heating of the ring at the end, and with the rotation of the rocker arm, the bending pipe with the same diameter is bent without the core rod and the core head, and the diameter is not expanded. The key point of pushing the small radius elbow (below 3D) is that the small diameter pipe is heated by the core rod and the horn core head at the end of the medium frequency ring to expand into a large diameter elbow.

At the beginning of the removal process of the elbow oil cylinder, you must first familiarize yourself with the hydraulic cylinder you want to remove, and of course, you must first map before removing it. Prepare for later assembly. In addition, the position of the oil port and the size of the installation. The next step is to remove the cylinder bottom, head, guide sleeve. Take the piston rod out of the cylinder to prevent the rod from striking. Then come down and remove the piston. The pistons are also usually threaded adjacent, but there will be a stop screw, which must be removed first. Finally remove the seal ring. When a hydraulic system has multiple hydraulic cylinders, it is necessary to connect what kind of valve at the pump outlet to ensure that each hydraulic cylinder can do normal things, but also when some things are not, the tranquility of the entire system.

Install an electromagnetic relief valve. This valve can control the pressure of your entire system and can be opened to relieve pressure when the cylinder does not rise above the nominal pressure for a time. Under nominal pressure this valve can close the hydraulic cylinder normally. And it can be easily used with electric control overflow.

The use of hydraulic pipe bender: when the transformer is running (including no-load), refrain from stopping the supply of cooling water, and the waterway should be smooth to prevent water from splashing onto the transformer. The zigzagged pipe should be carefully mediated before zigzagging, so that the chuck base and the base of the feel ring are consistent, and the support wheel supporting the workpiece should be mediated at an appropriate height to make the workpiece smoothly feed and ensure that the zigzagged pipe and the straight section are in the same plane. Before operating the equipment, prepare the equipment and open the equipment according to the requirements of the IF power supply and if transformer analysis book; Open the equipment cooling water pump and the workpiece cooling water, when the pipe is heated to the temperature that can bend, and the temperature of the inner wall should be maintained at least 910 ° C, but not higher than the allowable high heating temperature of the pipe, the main motor can be opened to zigzag operation; If it is not heated to tortuous temperature or the workpiece is not heated, refrain from opening the main motor. After the winding is completed, the heating is stopped, and before the clamp is loosened, the main motor is restrained from opening for the reverse operation of the swivel arm.

When the hydraulic pipe bender oil pump is obstructed, we should put a sheet of the same thickness on both sides, remove more than 90 degrees, and measure the Angle with an Angle ruler. The connecting rod connecting the two worm wheel seats on the hydraulic pipe bender is disconnected. Just pull to one side. There's a spring in there to stop it from falling out. Compare the angles of the two plates. If the right Angle is large, rotate the right link clockwise. Slightly turn a certain position, fold plate measurement. We can't get rid of all the obstacles until we've got all the angles right. Through the above introduction to the treatment and punishment of the obstruction of the pipe bending machine, our company simply introduces the need for regular maintenance and testing of the pipe bending machine, which will reduce the obstruction of the pipe bending machine in the operation process.

The following is a simple introduction to the detection and maintenance of pipe bending machine; First check the fasteners of each part of the pipe bending machine, so that they are in a tight state. The hydraulic pump tension parts of the pipe fittings are equipped with oil-resistant rubber rings, such as seal damage, oil leakage, should be replaced in real time. If the invention progress and retreat failure, the first check whether the solenoid valve is acting, such as the solenoid valve is acting normally, and then check whether the sequence valve, relief valve, or one-way unloading valve is blocked by debris. This sign is generally easy to produce when the pipe fitting equipment begins to be used. If there are signs of stuck, open and wash with diesel oil, and reinstall it. Wash the tank and filter the hydraulic oil once within 1-2 months after the pipe fitting equipment starts to be used. When washing the oil tank, wash the inlet filter of each pump. The above is a simple introduction to the maintenance and cover of pipe fittings equipment for you, hoping to help you.

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