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  • Do you have any of these problems in brazing?
    ‘Optimal material’ x ‘Optimal processing method’ = The key to reducing defective products!?

Do you have any of these problems in brazing?
‘Optimal material’ x ‘Optimal processing method’ = The key to reducing defective products!?

11/11/2021
Tomofumi Takasuna
GENERAL MANAGER MARKETING & SALES MANAGER

One of our strengths is that we can propose and advise the combination of the optimum brazing material and the optimum processing method to meet the customer's requirements. We have helped many customers solve their brazing-related problems and defects. In this issue, we would like to introduce some examples of brazing-related problems that can occur in a wide range of industries.


brazing

▲ Image of brazing operation

Do you have any of these problems with brazing?
4 brazing work problems chosen from different industries


Even if it is called brazing, there are many possible combinations depending on the conditions such as the material, joints, working environment, and others. It is quite possible that the methods currently being implemented at the site may not be the optimal one. Followings are four examples of brazing work problems in different industries that we have solved in the past.


1. Automobile parts manufacturer
Before (problems)

A paste brazing material was used to join ○○XYZ, but the binder component of the paste decomposed and gasified in the furnace, which deteriorated the atmosphere inside the furnace and had an adverse effect on brazing.
　Solution proposal

After
Reduced brazing defects such as carbon adhesion after brazing and poor brazing flow


2. Air conditioner parts manufacturer
Before (problems)

The processing accuracy of the gaps between brazing points was poor, and even if the brazing material was poured, it did not stay and flowed out, resulting in frequent defective products.
　Solution proposal

After
The molten brazing filler stays in place more easily, reducing the defect rate of products that require airtightness.


3. Air conditioner manufacturer
Before (problems)

Work pieces with multiple brazing points are subjected to face-fed brazing with a burner, which is time-consuming and labor-intensive.
　Solution proposal

After
Brazing processing time was shortened and reproducibility accuracy was improved, leading to lower cost and reduced defect rate.


4. Air conditioner parts manufacturer
Before (problems)

Face-fed brazing is done with a burner, but since the workers frequently leave the company and do not remain, the quality on brazing, which requires a high level of skill, is inconsistent and defects occur frequently.
　Solution proposal

After
Improved the accuracy of brazing process reproducibility, leading to reduced defect rates.


Proposing optimal materials and processing methods from the customer's perspective in consideration of cost effectiveness


Brazing is an operation that is difficult to mechanize because it relies heavily on the technical skills of the workers, such as feeling and experience. However, in Thailand, we hear that the separation rate of technicians is high and the turnover of on-site staff is rapid, making it difficult to train skilled technicians and to pass on the technology know-how. We not only manufacture and sell welding materials, but our motto is to provide optimal materials and processing methods that will help solve such on-site problems.


brazing


Recently, the number of sites that adopt "automation" is increasing, but in many cases, we recommend analog methods when we judge that the cost effectiveness is not commensurate. We carefully listen to customers' problems and situations, and propose materials that match the cost from the customer's perspective and practical construction methods that can be put into practice immediately to reduce defective products.

Even for the brazing that is currently being performed at your site, there may be points that can be improved. We can also provide you with specific solutions to the problems mentioned here. Please feel free to contact us for further information.


If you have any concerns such as utilizing brazing or molten material in Thailand, please contact us using the inquiry form below.



Inquiry Form

Please feel free to contact us from the form as below.

We accept by phone and email.

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Established October 01, 2021

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