Automotive Mold China

Friday, December 14, 2018

What Are The Key-Points To Mold Plastic Products With Different Wall Thickness By Injection Molding?

The wall thickness of products is one of the most importance things to keep mind when it comes to plastic injection molding. Typically, thicker walls provide a higher level of strength. At the same time, they may create the problem of warping while the plastic cools down in the mold. Let’s take a look at some key-points to remember when molding plastic of different wall thickness during an injection molding process.

Designers and engineers tend to take shortcuts and opt for the lowest wall thickness, which is not a good idea. However, during mass production, you can enjoy a few advantages by keeping the walls light and thin. Moreover, if the production process keeps going on for a long-term, the benefits become more significant. Give below is a description of some of the benefits:

Since thinner parts don’t require a lot of material, their material cost is low. And this is what most producers want to do. Keeping costs low is the goal of every production manager.

Thinner parts tend to cool down faster, which shortens the molding cycle and brings down the cost of each unit.

Thinner parts don’t have a lot of weight, which reduces the shipping costs.

Considerations

Typically, plastic products have varied wall thickness. Minimum wall thickness depends upon the structural and strength requirements of the part or product. Aside from this, you also need to take into account the material behavior as there is a strong link between the injection pressure and the highest flow length that can be achieved. Irrespective of the case, modern flow and structure analysis programs can help you opt for the best wall thickness. So, keeping this point in mind is important.

Aside from this, you can also go for different kinds of plastic as each type has its own degree of cooling properties and strength. As a general rule, experts suggest that the minimum wall thickness for the traditional molding should be around 0.3mm. Moreover, it also depends upon the features of the part. If the thickness is lower than 0.3mm, it will be harder to get good results.

Design Advice

As far as molding plastic parts through injection molding in china is concerned, the wall thickness uniformity is important. The reason is that thinner walls tend to cool down faster than the thicker ones. If this happens, you may have to face the problem of warping, which can cause internal stresses in a product. This is something that you don’t want to see when you are trying to take shortcuts.

If you can’t have a uniform wall thickness, you can change the thickness. However, make sure you make changes to the thickness bit by bit. This will help you avoid the complication that we mentioned above.

Long story short, these are a few things that you may want to keep in mind when molding plastic products that feature different wall thickens. For quality assurance, as said earlier, the wall thickness uniformity is really important.

You can import great quality injections molds from a good injection mold maker in China. This will save you plenty of money.

Resource box: This article is originally posted in http://www.automoldchina.com

Monday, July 2, 2018

How to choose suitable tool steels for different plastic applications

(Posted from www.automoldchina.com)

Choosing the right tool steel is not an easy task. If you picked up the wrong material, it will ruin all your work and will cost you a good monetary loss. Buy the tool steel from a trusted source where you have no doubt about the quality and performance of the product. Choosing the correct mold ensures efficiency and high quality. Choosing the right size before can save the trouble of giving it a finishing.

Final production depends upon the type of mold material you choose. The selection should be done carefully and the product must be comprised of these qualities. The molded steel must have the strength and bearable because during the injection molding process the mold plates go through a lot of clamping pressure, which if mold is not strong enough then it cannot bear. It must have the strength to perform well. The steel should not have any defects like holes, impurities in order to get the smooth final product. During the molding process, addictive & plastics will release corrosive gases, which the steel should be strong enough to resist.

Tool steels are available in many grades like air-hardening tool steel, water-hardening tool steels, and oil-hardening tool steels; hot-working tool steels, shock-resisting tool steels, high-speed tool steels, etc. There is a variety to choose from. Lots of options may confuse you and trouble you about your selection. Then these tips and hints can help you in selecting the proper object. First of all, keep these things in mind while choosing:

Budget – The choice of steel depends on your budget. If your budget is low, then you can use Water-hardening tool steels, it is a good substitute for cost and mechanical properties. It does not need any other element.

Type P tool – For plastic molding, a special type of tool steel is required. It comes in the Type P of tool steel family. This tool steel is especially for the manufacture of plastic molds or molds for metals with low melting temperatures.

Temperature – Using tool steel at a high temperature is not suggested because it is already heat treated and doing it again may lead to losing its usefulness. For high temperatures, hot work tool steel should be used. They will not use their hardness and are wear resistant even at high temperatures.

Others – For unusual applications also there are special types of tool steels available which are mostly proprietary.

The final product requires high cosmetic requirements. Temperature and climate also play an important role. At high-temperature, mold steel in under the danger of getting oxidized. Through the Electro-Slag-Remelted (ESR) process, you can get the best conditions for cosmetic finishes. It ought to be done carefully. Your final product and its performance depend upon the product you choose and its application. The tool steel should meet above-mentioned requirements and the process of molding should be smoothly delivered. Then only you can get a proper final product with no defects.

If you too are looking for tool steels for your plastic applications, then visit China mold factory. Here you will get all kinds of molding products injection mold, plastic mold, etc. It is the best molding company in China.

The original of this article is from http://www.automoldchina.com.

Monday, March 5, 2018

Cool Automotive Mould Manufacturers images

(Posted from www.automoldchina.com)

A few nice automotive mould manufacturers images I found:

1934 Delage D8SS Cabriolet, 1 of 1 ever created
automotive mould manufacturers
Image by Ger and Audrey

The masterpiece of Automobiles Delage was the D8 with its 4-liter, straight-eight engine that was introduced at the Paris Salon in October, 1929 and production continued to 1933.

The D8 was elegant and inspired coachbuilders to create their most stylish designs; in standard form, the D8 developed 102 hp. The D8S model had a power increase to 118 hp. @ 3800 rpm and the D8SS had 145 hp. at 4500 rpm; elegance required a touch of speed!

The coachbuilding firm of Fernandez & Darrin was formed through a partnership between American designer Howard "Dutch" Darrin and Mr. Fernandez, a Parisian banker. Darrin, formerly of the Hibbard & Darrin coachbuilding company, created concours-winning body designs on the chassis of Europe’s most prestigious luxury marques.

This dramatic cabriolet has a removable panel over the front seat and length is accented with polished aluminum on the hood and the belt molding. The Lalique crystal radiator mascot, "Tête de paön," depicts the proud peacock’s head in profile.

Engine:

8 cylinder, straight-eight, OHV

3.03" bore, 4.29" stroke

247 cubic inch

145 hp. @ 4500 rpm.

Body/Coachbuilder:

Fernandez & Darrin

Paris, France

Manufacturer:

Automobiles Delage

Courbevoie, Seine, France

Price when new: $ 3,000 (chassis only)

1934 Delage D8SS
automotive mould manufacturers
Image by glennfrancosimmons_

This car was really hard to get good photos of because Blackhawk’s second-floor gallery is so dark. Eventually, I’ll see if I have better ones than these.

Blackhawk Automotive Museum contains masterpieces as elegant as any that you will find in the finest museums the world over.

If you believe that statement to be filled with a hubris of hyperbole, then you are probably not a classic-car lover and mistake automotive masterpieces as unworthy of being considered art. Yet it is art. I’ve often mentioned this when discussing Blackhawk.

Already more than two decades young, Blackhawk has gained an international reputation for its legendary automotive collection.

One of the finest vehicles in its galleries is this 1934 Delage D8SS — the only one of its kind ever made.

And Blackhawk has it, in addition to many other very, very rare vehicles.

Not only were Delage autos among the finest ever made in France, but they were renown the world over for their artistic symmetry.

Of the Delages produced, the finest masterpiece was the D8 with its four-liter straight-eight engine that was introduced at the Paris Salon in October 1929, with production continuing until 1933.

The D8 was an auto of elegance and beauty, as you can see by these photos.

Blackhawk said such attributes inspired "coachbuilders," as auto designers were then called, "to create their most-stylish designs."

The D8 developed into the D8S, a 102-hp engine, only to have a power increase up to 118-hp at 3,800 rpm, according to Blackhawk.

Not content with that, the D8SS had a power increase up to 145 hp at 4,500 rpm. One could call it speedy elegance.

Just imagine taking this beauty on a coastal ride up or down Highway 1.

The beautiful coachwork in this Delage resulted from a partnership with the skillful coachbuilders Fernandez & Darrin that reached its golden age with this special model.

"The coachbuilding firm of Fernandez & Darrin was formed through a partnership between American designer Howard ‘Dutch’ Darrin and Mr. Fernandez, a Parisian banker," Blackhawk notes.

Darrin was a former partner of the Hibbard & Darrin coachbuilding company, which Blackhawk said created "concours-winning body designs for the chassis of Europe’s most-prestigious luxury marques."

The beautifully elegant cabriolet shown in this post "has a removable panel over its front seat and length that is accented with polished aluminum on the hood and belt molding," Blackhawk notes.

"The Lalique crystal radiator mascot, ‘Tete de paon,’ depicts the proud peacock’s head in profile," Blackhawk states.

Engine:

7-cylinder, straight-eight, OHV

3.03" bore, 4.29" stroke

247 cubic inch

145 hp at 4,500 rpm

Body/Coachbuilder

Fernandez & Darrin

Paris, France.

Manufacturer

Automobiles Delage,

Courbevoie, Seine, France

Price when new: ,000 (chassis only in 1934 dollar valuation).

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