2024年11月25日星期一

car pipe joint

 A car pipe joint is a component that connects two pipes in the car's exhaust system. The exhaust system is responsible for removing the harmful gases produced during the combustion process from the engine and releasing them into the atmosphere. The car pipe joint is an essential part of the exhaust system and helps to maintain the integrity of the system.

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The car pipe joint is typically made of metal, such as stainless steel or aluminum, and is designed to withstand high temperatures and corrosive exhaust gases. It is often a flange-type joint that consists of two flange plates and a gasket in between. The flange plates are bolted together to create a tight seal, and the gasket helps to prevent exhaust leaks. The car pipe joint is subject to wear and tear over time due to exposure to high temperatures and corrosive gases. If it becomes damaged or corroded, it can cause exhaust leaks, which can result in poor performance, increased emissions, and even damage to the engine. It is important to inspect the car pipe joint regularly and replace it if necessary to ensure the proper functioning of the car's exhaust system.

The chemical properties of different fluid media vary, and the service life of sleeve joints with different materials varies under different fluid media conditions. So what types of automotive pipe joints are there? The types of automotive pipe joints mainly include welding type, clamp type, expansion type, and snap type.

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Expansion type pipe joint:

Expansion type pipe joint is suitable for non-corrosive or corrosive media, such as oil, water, gas, etc. The specification of steel pipes is flexible. After welding with the pipeline, it has the characteristics of firm connection and good sealing performance. It is widely used in petroleum refining, chemical industry, light industry, textile, defense, metallurgy, aviation, ships, and other systems. It is also suitable for various hydraulic transmission pipelines such as mechanical engineering, machine tools, and equipment.

[caption id="attachment_4373" align="alignnone" width="300"]car pipe joint car pipe joint[/caption]

Clamp type pipe joint:

The working principle of the clamp type pipe joint is to insert the steel pipe into the clamp, lock it with the clamp nut, press against the clamp, and seal it into the pipe. When connecting with a steel pipe, welding is not required, which is conducive to fire prevention, explosion prevention, and high-altitude operations, and can eliminate the disadvantages caused by welding accidents. Therefore, it is a high-level connector in the automatic control device pipeline of systems such as petroleum refining, chemical industry, oil, natural gas, food, pharmaceuticals, and instrumentation. It is suitable for pipeline connections of media such as oil, gas, and water. This invention has the characteristics of firm connection, high pressure resistance, high temperature resistance, good sealing and repeatability, easy installation and maintenance, and safe and reliable operation.

[caption id="attachment_4378" align="alignnone" width="300"]car pipe joints car pipe joints[/caption]

Welded pipe joint:

Welded pipe joint is suitable for media: non-corrosive or corrosive media such as oil, water, gas, etc. For welding sealed pipe joints, the specification of steel pipes requires flexibility. After welding with the pipeline, it has the characteristics of firm connection and good sealing performance, so it is widely used in petroleum refining, chemical industry, light industry, textile, defense, metallurgy, aviation, ships, and other systems. It is also suitable for various hydraulic transmission pipelines such as mechanical engineering, machine tools, and equipment. When producing cardan couplings cannot meet the needs, it can be used in priority in strong corrosive situations.

[caption id="attachment_4375" align="alignnone" width="300"]car pipe joints car pipe joints[/caption]

Snap-type pipe joint:

Snap-type pipe joint is suitable for low pressure, large diameter, and corrosive media. It uses a special snap structure to connect two pipelines together, with the characteristics of simple connection, easy installation, and easy disassembly and maintenance. It is commonly used for connecting pipelines in industries such as sewage treatment, chemical, metallurgy, and papermaking.

In addition to the above types of automotive pipe joints, there are also other types such as flexible joints and rubber joints. These different types of pipe joints have different service lives and applicability under different fluid media and environmental conditions, and need to be selected and used according to specific situations.

How to choose injection mold manufacturers

 Recently saw a report about the selection of China's top 10 mold companies. It is ironic that the names of these companies we have never heard. In China, there are tens of thousands of mold companies, this result is how selected out of it? If you want to find a suitable supplier in China, what factors should be considered?

To find more large-scale cooperation in the mold factory better?

 Large-scale, medium-sized, or small-scale? In this regard, we have the following recommendations, if a single from the factory scale. We certainly will prefer the larger the better, because the size of great strength, fully furnished! Its size also indirectly reflects the size of the customer choice of high and low! But on the other hand, the greater the scale means that management costs will be high, and the price advantage will not be obvious, especially large-scale foreign investment in some of the prices of the mold is unacceptable, even beyond our customer's offer cost. The other is the relatively slow response, the problem can not be resolved in a timely manner communication. 

Your choice of mold factory whether you as an important customer or no attention to you is very critical. If your own business capital strength is not strong, not a large amount of purchase, have to choose large-scale cooperation in the mold factory, and sometimes spent money does not necessarily guarantee the quality of many large mold factory does not take a single or Irresponsible is out of this mentality, because in terms of order amount or order quantity you can not meet their requirements.

injection mold
injection mold

 In this case, most people will choose small and medium-sized mold factories. In fact, in the industry which is now generally we are doing, after all, mold and product prices are more acceptable. But soon you will find it worrying The thing again, is the mold is completed on time? How about quality? Die mass production how? Die life how?

 At this point, it is recommended that you must pay attention to basic knowledge. That is, we must choose a complete set of equipment that must have a complete set of precision CNC machining centers, wire walking EDM, EDM mirror spark machine, and high-speed high-precision injection molding machine. Dimensional measuring instruments and other important mold processing, production, and testing of the necessary equipment, must be this for the study of evaluation and the final choice of the key. Because if not the above equipment, mold manufacturing, and production process mean that this mold factory. The need to seek outward processing has three main adverse consequences: 

Choose injection mold manufacturers

1, Will increase the cost of your mold costs, the cost increase; How to control costs? 

2, Is the mold factory in the outward process of repeated communication. And coordination of the transfer of the workpiece takes time and will increase the molding cycle. Very likely to cause mold and product delays, although the purchase agreement or the contract will indicate the relevant terms of the delay penalty. But in the event of tardiness, fines can not make up for the reality of the enterprise and long-term losses. 

The most important thing is the third point, the mold factory of the outward processing of the process can not be timely monitoring. To undertake the processing plant is often smaller than the size of only one or two second-hand equipment processing stores. Many look like quality Good mold because of these processing shops' sloppy, brutal operation, and repeated welding. And other means and processing methods caused by the deformation of mold. Reach the life of scrap in advance, and some even simply can not mass production! 

Plastic Injection Mold Making Process

 In China, a long-standing tradition of export mold manufacturers, we share here the basic injection mold making overview:

1Parts Design (client may provide completed 3D files)
The tooling process begins with a completed and checked part design. CNMOULDING can optionally optimize your design before tooling to lower your costs and ensure that your design will work well.

2. Parts Prototyping (if necessary)

If you would like to validate your parts design with a machined piece that you can see and feel, CNmoulding can use Computer Numerical Control (CNC) techniques to prototype your parts.

3Tool / Mold Design

At this stage the tool is designed, using the information from your completed tools and molds design

4Tool / Mold Check and Mold Flow Analysis
The tool design is validated for correctness.

5.Tool / Mold Fabrication

(including use of Computerized Numerical Control (CNC) and Electrical Discharge Machining (EDM) technologies)
The tool is precisely fabricated according to the validated design.

6New Injection Molds First Shots To Client
Once the injection molds are made, the first test shot samples will be sent out soon after via an international courier. Once sent, these usually take around 2-5 days to arrive.

7Tool / Mold Modifications and Texturing
At this stage, the Mold shop completes the tool and makes any required changes to bring the tool into the approved spec. Changes made to bring the tool to spec (specifically excluding design changes, which are always charged) are made free of charge.
At this stage, texturing also takes place, which is normally the last stage before mass production.

8Mass Production Run or Export
At this stage, parts are produced and delivered to the customer, or the tool is released for export use.

Technical Topics:

Molding begins with tooling. No matter how good the design, if the tooling is not up to the task. The quality of the parts will suffer.

The Mold Making & factory tour in china