Metal Injection Molding To Promote The Industrialization Of Powder Metallurgy Made A Breakthrough

In the process of understanding the powder metallurgy technology, we came into contact with metal injection molding process, did not expect it completely different from the ordinary forming technology, in the mass manufacture of complex geometry, high performance, high precision parts must have no difficulty, So as to promote the industrialization of powder metallurgy business to make a breakthrough.

Powder metallurgy companies in the metal powder injection molding time, in addition to the need to prepare the appropriate processing of the corresponding powder, but also need to add more powder to the binder. Therefore, either powder or binder should meet the requirements, otherwise it will affect the forming of powder metallurgy products.

The powder should be used ≤ 10um ultrafine spherical powder, and from the mixture to degreasing, sintering, the process is more complex, demanding processes, in particular, require longer degreasing and sintering time, which is also caused by the manufacturing cost of powder metallurgy High main reason. The adhesive wolf must be adequate, otherwise, it is difficult to achieve the corresponding performance.

This powder metallurgy company developed a simplified method is flow pressure forming technology, which is the temperature and pressure of metal powder, based on the combination of the advantages of metal powder injection molding process; and then by adding the right amount of coarse powder and fine Powder, and increase the amount of thermoplastic lubricant, thereby greatly improving the mixed powder flowability, filling and formability.

Since the mixed powder becomes a viscous fluid with good fluidity during pressing, it not only has the advantages of a liquid but also has a high viscosity and reduces the friction force, so that the pressing pressure is evenly distributed in the powder, Very good delivery. Because of this, the powder can flow to every corner without cracks during the pressing process, so that the density is also greatly improved.

At present, the powder metallurgy enterprise has already popularized this technology and used for precision forming of the workpieces with very complicated shapes on the conventional tablet press. This not only overcomes the shortcomings of the traditional cold pressing in forming complicated geometric shapes, but also avoids the high injection molding technology cost.

Advantages of metal parts manufacturer in China

1. Lower costs

Yep. We all know this one. And, yep in some conditions you need to consider the shipping and duties, the costs of manufacturing in China are possibly not that cheap. But in most cases, it’s cheaper to manufacture in China (and for a variety of reasons). Not much more needs to be said.

Before you dismiss the importance of manufacturing your product for less, I would recommend speaking to anyone who has ever worked a day in retail. He or she will undoubtedly tell you that lower cost almost ALWAYS better for sales. (And please don’t give me the “What about Burberry? What about Louis Vittuon?” because those companies have spent hundreds of millions of dollars in marketing to help boost the brand as a luxury product. And you won’t.)

Of course the quanlity is more important than cost, when we don’t have exhaustive information before we cooperated with Chinese factories, we better do factory audit, if we really don’t have the stuff to do that, some professional in the market could give help.

As an advanced metal injection molding factory in China, ZCMIM always welcome clients to come to visit factory, it’s always a good start for longer collaboration in future.

2. Better Service

It’s the truce that Chinese manufacturers are far more likely to give you better service from the outset as a small startup than domestic manufacturers.

According to a local businessman, “In the two retail businesses I’ve started, I reached out to domestic manufacturers first. In both situations, I either never received a phone call back from the person I spoke with or I was simply told that I was too small of a business for them to work with. This was my experience with each of the five to seven American factories that I spoke with. Who knows? Maybe yours will be different.

On the other hand, I never had difficulty finding a Chinese factory that was willing to work with me as a smaller company (“smaller company” = I’m not Walmart). The only time a factory refused my business was because I couldn’t meet their high minimum requirements (more on this later in the ‘Cons’ section.) But if I could meet their requirements, then they wanted to do business.

Trust me, you can’t take for granted that just because you’re willing to pay for goods, someone is willing to make them for you.”

3. Higher Output/Quicker Time

When a Chinese factory tells you they can produce your order in four weeks, they produce your order if four weeks. Based on many local business workers, this isn’t always sure in the U.S. On several occasions, I’ve heard the common complaint that domestic manufacturing capacity was limited in capacity or time or, at the very least, not nearly as robust as Chinese factories.

In fact, Chinese factory quick and aggressive turnaround times are impressive. I know some of you may claim unfair labor treatment as the reason for this, but if you have ever actually done business in China before, you should know that many (but not all) of the factories indeed operate properly and pay their laborers a fair Chinese wage.

4. Duplication Capabilities

I’m not here advocating that you copy anyone. In fact, depending on what you’re doing, you’re more than likely going to find yourself in litigation if you do.

But for whatever it is that you’re manufacturing, you don’t always need to reinvent the wheel, at least for some of it. For example, if you’re manufacturing shirts and you like the fit of Shirt Brand ABC, then buying Shirt Brand ABC and asking your Chinese factory to duplicate its dimensions and fit is an easy way to begin your product-building process.
Metal injection molding has great advantages when producing massive quantity of high precision metal parts, no one would be better than ZCMIM on this.

http://www.zcmim.com/article/advantages-of-china-mim-factory.html

Top 6 Metal Injection Molding Defects and Solutions about Debinding

In the injection molding debinding process, there is great chance to meet some common issues, below we list top 6 issues we might meet, and solutions to help you better on metal parts manufacturing.

Defect 1: Fluff

Causes and solutions:

A. POM split too fast, usually only need to reduce the temperature, reduce the amount of acid and increase the debinding time;

B. Feeding paraffin too many ingredients, with this problem need to replace the raw materials;

C. Mold, need to modify the mold structure;

D. Injection temperature is too high, need to reduce the temperature.

Defect 2: Cracked or broken.

To check for the following four reasons whether there is a defect

A. The placement of the workpiece, if any questions please put correctly;

B. Same as the POM split too fast, the solution is the same as above;

C. Shock, if found to have vibration to find the source of vibration and solve;

D. Workpiece density and weight are not up to standard, need to change the injection process.

Defect 3: Uneven debinding in the furnace

Causes and solutions:

A. The way the product is placed, need to adjust

B. B. Check the furnace temperature difference, need to test the temperature

C. There are dead ends in the furnace, need to improve the circulating air speed

Defect 4: Color change

Causes and solutions:

A. The temperature is too high to reduce the temperature

B. Nitrogen flow is insufficient, need to increase the flow

C. Feed the wax content is high, need to adjust the feed

Defect 5: Incomplete debinding

Causes and solutions:

A. Process setting, need to change the process

B. Debinding time is short, need to lengthen the debinding time

C. Nitric acid concentration is low, need to check and replacement

Defect 6: Debinding layered

Causes and solutions:

A. Debinding temperature is too high, need to reduce the debinding temperature

B. Debinding rate is not enough, need to increase the amount of acid entering

As an advanced China MIM factory, we keep providing precision MIM parts for customers from all over the world.