Recently, a customer came to our company with drawings and pictures to process the abnormal direct flow joint, we recommend the Swiss type machine to process this workpiece, and then Shanghai Antish engineers will introduce you what is the abnormal direct flow joint and how to use the centrifugal processing abnormal flow joint.
First, what is the heterodirect connection
Reducing straight connector, also known as a variable straight pass joint, is a pipe fitting for connecting pipes of different diameters.
1. Structural characteristics
The reducing straight connector usually consists of two ports of different diameters, with the middle part in a straight line shape. Its materials are diverse, including metals (such as stainless steel, copper, cast iron, etc.) and plastics (such as PVC, PPR, etc.). The ends of the joint are usually threaded, flanged, or otherwise connected for connection with the pipe.
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2.Function
| Connect pipes of different diameters |
| In the piping system, often encounter the need to connect different diameter pipes. Reducing straight joints can realise smooth transition connection between pipes of different diameters and ensure smooth flow of fluids in piping system. For example, in the industrial piping system, it may be necessary to connect the large-diameter main pipeline with the small-diameter branch pipeline, which reducer joints play an important role. |
| Regulate flow and pressure |
| The flow rate and pressure of the fluid can be adjusted by changing the diameter of the pipe through the use of the heterodirect connection. When it is necessary to control the flow rate or adjust the pressure in the pipeline system, the appropriate size of the heterodirect connection can be selected to achieve this purpose. For example, in the water supply system, the flow and pressure of the pipeline can be adjusted according to the water demand of different areas by using the heterodirect connection to ensure the stability and reliability of the water supply. |
| Easy pipeline layout and installation |
| In the design and installation process of pipeline system, the abnormal direct connection can make the pipeline layout more flexible and reasonable. Since pipes of different diameters can be connected through different straight joints, designers can choose the right combination of pipe diameters according to the actual situation to meet the needs of space constraints, flow requirements and installation convenience. In addition, the standardized design of the heterodirect connection also makes the installation of the pipeline faster and more convenient, reducing the installation time and cost |
| Adapt to different working conditions |
| Different working environments and conditions have different requirements for pipeline systems. Different materials and connection methods can be selected according to specific working conditions to adapt to high temperature, high pressure, corrosion and other harsh environments. For example, in the chemical industry, heterodirect joints made of corrosion-resistant materials may be required to ensure the safe operation of piping systems. |
3.Application
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Industrial field
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Petrochemical industry |
In the process of petrochemical production, various pipeline systems need to connect pipelines with different diameters to transport crude oil, natural gas, chemical products and other media. The abnormal direct pass joint is used to connect pipes of different specifications to ensure smooth flow of media. |
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Electric power industry |
In the thermal system and cooling water system of power plant, it is necessary to use different direct connections to connect pipes of different diameters. | |
| Machinery manufacturing industry | In the cooling system and lubrication system of machining equipment, the heterodirect joint is used to connect pipes of different diameters to achieve the transfer of coolant and lubricating oil. | |
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Architectural field
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Water supply and drainage system |
Pneumatic and hydraulic systems in the mechanical manufacturing process also often require the use of heterodirect joints to connect pipes of different diameters to achieve the transmission and control of gases and liquids. |
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Hvac system |
Ventilation pipes and air conditioning water pipes in HVAC systems need to use different direct connections to connect pipes of different diameters | |
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Agricultural field
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Irrigation system | In agricultural irrigation systems, heterodirect connections are used to connect irrigation pipes of different diameters. |
| Aquaculture industry | In the water supply and drainage systems of the aquaculture industry, heterodirect connections are used to connect pipes of different diameters. | |
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Transportation field |
Automobile manufacturing industry |
In the automobile manufacturing process, the engine cooling system, the fuel delivery system and the brake system all need to use different direct connections to connect different diameters of pipes. |
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Shipbuilding industry |
In the pipeline system of the ship, the direct flow joint is used to connect the seawater pipe, fresh water pipe, fuel pipe and exhaust pipe of different diameters. |
Second, how to use the machine processing reducing straight connector
1.Preparation
Design and programming
According to the drawing requirements of the different direct pass joint, use professional programming software for NC programming. Determine the machining process route, cutting parameters (such as cutting speed, feed rate, cutting depth, etc.) and tool selection.
Taking into account the different diameters of the different straight-through joints, the processing sequence is reasonably planned to ensure accuracy and surface quality.
Tool selection
Select tools suitable for processing materials, usually including external turning tools, inner hole turning tools, grooving knives, etc. For Swiss-type lathe walking machines, the size and shape of the tool must be matched to the tool system of the machine.
Consider using high quality carbide tools to improve cutting efficiency and tool life.
Material preparation
Prepare the materials required for processing, and ensure that the size and quality of the materials meet the requirements. For different straight through joints, commonly used materials are stainless steel, copper, aluminum and so on.
Proper pretreatment of the material, such as removing burrs, cleaning the surface, etc.
2. Processing
Clamping work
Install the workpiece on the spindle of the machine using a suitable clamp. Ensure that the workpiece is firmly clamped to avoid displacement or vibration during processing.
For elongated heterodirect joints, auxiliary support devices can be considered to improve the stability of processing.
Rough finish
First rough machining, remove most of the surplus. According to the programming process route, the outer diameter and inner diameter of the different straight through joint are processed by using the outer turning tool and the inner hole turning tool respectively.
Control cutting parameters to ensure roughing efficiency and tool life. In the roughing process, attention should be paid to cleaning the chips in time to avoid affecting the processing quality.
Finishing
After the roughing is completed, the finishing is carried out. Adjust cutting parameters, reduce cutting depth and feed to improve machining accuracy and surface quality.
Using high-precision tools, the outer and inner diameters of the different straight pass joints are finely machined to ensure that the dimensional accuracy and surface roughness meet the requirements.
For surfaces with special requirements, such as sealing surfaces, further processing can be carried out by grinding or polishing.
Grooving and threading
According to the design requirements, the grooving tool is used to cut grooving at the appropriate position of the heterodirect pass joint. Ensure slot size and position accuracy.
If you need to work the thread, you can use the thread turning tool for threading. Select the appropriate thread specifications and cutting parameters to ensure the quality and accuracy of the thread.
Detection and correction
During the machining process, the size and accuracy of the different straight through joints are checked regularly with measuring tools. If any deviation is found, correct it in time.
High-precision measuring equipment such as coordinate measuring instrument can be used to carry out comprehensive inspection of the processed heterodirect joint to ensure that the product quality meets the requirements.
3. Post-processing and quality control
Cleaning and rust prevention
After the processing is completed, clean the abnormal straight pass joint to remove the surface chips and oil. Cleaning can be done using cleaning agents and ultrasonic cleaning equipment.
Anti-rust treatment of the cleaned workpiece, such as applying anti-rust oil or surface treatment, to prevent rust of the workpiece.
Quality inspection
Strict quality inspection is carried out on the processed hetero-straight joint, including dimensional accuracy, surface quality, thread quality, etc.
Sampling inspection or full inspection can be used to ensure that product quality meets standards and customer requirements.
Packaging and storage
Packaging of qualified heterodirect connectors, selecting the appropriate packaging materials and methods to protect the workpiece from damage during transportation and storage.
Store the packaged workpiece in a dry, ventilated warehouse to avoid moisture, heat and extrusion.
In short, the machining of different straight through joints with Swiss CNC machining requires careful design of processing technology, selection of appropriate tools and fixtures, and strict control of various parameters in the processing process to ensure that high-quality products are processed.
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