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Zhonghua Road, Ganjingzi Dist.,

Dalian, Liaoning, China 116000

about us

ABOUT US

Dalian Barnett Flex Hydraulics Co.,Ltd. is located in Ganjingzi District, Dalian.

 

★   We provide a one-stop hydraulic hose assembly solution. 
★   We provide good after-sales service, timely response to customers.

 

Bntflex company will continue to uphold the concepts of innovation and development, quality first, people-oriented, and honest management, make products refined and provide perfect and high-quality after-sales service to make China's Barnett become to the world's Bntflex

  BEST SERVICE 

WHY CHOOSE US

A customer-centered and quality-oriented criterion is the core goal of our company's development.

ALL OVER THE WORLD

ALL OVER THE WORLD

The products are exported to 175 countries and regions such and are favored by foreign customers.

 

 

STRICT QUALITY TESTING

STRICT QUALITY TESTING

It has passed the ISO9001 quality system certification, obtained the self-support import and export right and the CE certification established by the European Union.

LOWER PRICE

LOWER PRICE

Diversified types, high quality, competitive price and timely  delivery ensure the success of customers.

 

SUPPORT 24X7

SUPPORT 24X7

we can provide a good after-sale service and give timely responses to customer feedbacks and solve various problems. 

 

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NEWS CENTER

We will continue to develop and improve ourselves, and collaborate with our customers to develop and create the future.

Introduction To The Power Source Of The Crimping Machine

Introduction To The Power Source Of The Crimping Machine

Introduction To The Power Source Of The Crimping Machine How accurate and harmonious is the force and position of the hydraulic cylinder of the hose crimping machine? The hydraulic cylinder of the hose crimping machine can be under the force closed-loop control or the position closed-loop control method, respectively, and in the position mode, then the force value is a detected value and is not controlled on site. In force mode, position is only controlled as undetected field. What everyone is generally concerned about is that the switching between force control and position control should be smooth. This conversion process has rich instructions in the DELTA controller that can be automatically completed. Check whether the protective devices on the hose crimping machine are complete. If they are not installed, it is forbidden to drive the intermediate frequency tube pressing machine. There should be good grounding and electrical disconnection, and the voltage should be stable. Check the lubricating parts of the hose crimping machine, and add enough oil when there is no oil or no oil. When withholding hoses of different specifications, the indenters of different specifications should be replaced. When oil leakage is found after long-term use, the seals in the oil cylinder and pipe valve system should be replaced in time. The hydraulic oil is 46# Great Wall brand anti-wear hydraulic oil, and the oil temperature is usually controlled at 30℃~35℃. In the course of use, dust and other debris will inevitably enter, and the mold directly contacts the withheld pipe fittings, so the cleanliness of the connecting mold is also one of the conditions for extending the service life of the crimping machine and the mold. The strong magnetic mold is adsorbed on the mold seat by super-strong magnetic force. The contact surface between the mold and the mold seat should be kept clean. Always wipe the bottom of the mold and the contact surface of the mold seat with clean cotton yarn. After wiping clean, oil the mold immediately to prevent dust particles. The entry of impurities and other impurities will cause the wear of the mold and the mold seat.
2022-01-24
Classification And Technical Characteristics Of Crimping Machines

Classification And Technical Characteristics Of Crimping Machines

Classification And Technical Characteristics Of Crimping Machines The crimping machine is the same as other machines, and its types and functions are also varied. The classification of crimping machines can be divided into hydraulic high-pressure pipe crimping machines, brake pipe crimping machines, air-conditioning pipe crimping machines, power hose crimping machines, etc. according to the function of use, such as straight barrel crimping machines and double-column crimping machines according to their mechanical structure Machine, open-type crimping machine, C-type crimping machine, such as the control method can be divided into electromechanical crimping machine, PLC-type crimping machine, CNC-type crimping machine. Withholding machine technical guidance: 1. The operation principle of double hydraulic circuit is adopted, that is, the advance and retreat of the piston and the opening and contraction of the mold are all powered by the hydraulic power source. It not only moves smoothly and returns quickly, but also does not cause the phenomenon of spring return, which makes the mold unable to open and locks up. Moreover, the design of the cylinder locking system is through the front and rear, which is easy to crimp various special-shaped elbows. 2. The hydraulic system consists of a motor, an oil pump, a solenoid valve, a pressure regulating valve and a hydraulic valve to form a dual hydraulic oil circuit with forward and backward motion, and a quick oil drain valve oil circuit is added to the dual hydraulic oil circuit to achieve more The purpose of quick return, and the speed is adjustable, the noise and system pressure are reduced. 3. In terms of electrical control system, the control circuit is suitable for PLC circuit, which is easy to repair the circuit, easy to maintain, and simple to replace. 4. The crimping die and die base are processed with no cumulative error to ensure that the crimping lines of the product after crimping are evenly spaced and there is no big or small head phenomenon. 5. For the permanent mechanical precision and life of the crimping machine, not only high-quality alloy steel materials are selected for the components of the locking mechanism, but also a unique heat treatment process is adopted. Therefore, the long service life of the crimping machine is inseparable from the rationality of material selection, heat treatment, mechanical processing technology and structure. 6. For the double-column crimping machine and the C-type crimping machine, the crimping size must be controlled by numerical control because it is inconvenient to set the dead position.
2022-01-23
Talking About The Selection Of Hydraulic Oil For Crimping Machine

Talking About The Selection Of Hydraulic Oil For Crimping Machine

Talking About The Selection Of Hydraulic Oil For Crimping Machine 1. Appropriate viscosity, good viscosity-temperature characteristics Viscosity is the first factor to consider when selecting hydraulic oil. Under the same working pressure, if the viscosity is too high, the movement resistance of hydraulic components will increase, the pressure drop of the pipeline and the power loss will increase; if the viscosity is too low, it will increase the volume loss of the oil drum. The internal leakage of the component increases, and the oil film of the sliding parts is thinned, the supporting capacity is reduced, and there is atomization, which overflows from the exhaust port. 2. Good lubricity (anti-wear) The hydraulic system has a large number of moving parts that need to be lubricated to prevent the wear of the relative moving surfaces, especially the hydraulic equipment with high pressure, which requires much higher anti-wear properties of the hydraulic oil. 3. Good antioxidant properties Hydraulic oil will also be oxidized during use. The acidic substances produced by the oxidation of hydraulic oil will increase the corrosiveness to metals, and the resulting sludge deposits will block filters and small gaps, causing the equipment to work abnormally. Therefore, it is required to have good of antioxidant properties. 4. Good rust and corrosion resistance Hydraulic oil will inevitably come into contact with moisture and air during use, as well as acid substances generated after oxidation, which will affect the corrosion of the metal valve core, so that the hydraulic crimping machine equipment cannot work normally. It is recommended to completely replace the old and new oil in 3-5 years.
2022-01-21
How To Crimp A Satisfactory Hose With A Crimping Machine And A Hose Crimping Machine

How To Crimp A Satisfactory Hose With A Crimping Machine And A Hose Crimping Machine

How To Crimp A Satisfactory Hose With A Crimping Machine And A Hose Crimping Machine The technicians of the BNTFLEX crimping machine manufacturer are here to explain how to use the crimping machine to crimp a satisfactory hose. The high-pressure oil hose is mainly divided into high-pressure steel wire braided oil hose and high-pressure steel wire wound oil hose. The high-pressure steel wire braided oil hose is mainly composed of black oil-resistant synthetic rubber inner rubber layer. , middle rubber layer, Ⅰ, Ⅱ, Ⅲ layers of steel wire braided layer, weather-resistant synthetic rubber outer rubber layer. The high-pressure steel wire winding oil hose is mainly composed of inner rubber layer, middle rubber layer, 2, 4 and 6 layers of steel wire winding layer and outer rubber layer. When the user crimps the high-pressure oil hose with the crimping machine and the hose crimping machine, if the crimping amount is too small, the pressure between the fittings and the hose is too loose, and the rubber hose of the crimping machine may be released from the fitting at the beginning of use under the action of oil pressure. , If the withholding amount is too large, then the joint and the hose are pressed too tightly, which will easily lead to local damage to the inner layer of the hose, resulting in cracks. out, or have been running along the steel wire layer to accumulate somewhere, causing the outer layer of rubber to bulge or even rupture. When crimping with a crimping machine and a hose pressing machine, the crimping speed should not be too fast, which will easily cause damage to the inner rubber and rupture of the steel wire layer, which will cause the hose to be damaged prematurely in use. In actual work, when replacing the high-pressure hose, the length of the hose, the number of steel wire layers, the shape and size of the joint should be reasonable, and the bending degree of the hose should be minimized. Most of the damage to the high-pressure hose is caused by improper production. . It is hoped that when users use the hose crimping machine to crimp the high-pressure oil hose assembly, they can correctly select the high-pressure oil hose and buckle out the satisfactory hose assembly.
2022-01-20

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Mona Tel: +8618522290645 

Email: mona@bntflex.com 

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