Choosing a good chair mould(II)

Let us continue to discuss the plastic inejction chair mould after choosing a good chair mould one.

a. have to use cooling on the milling area.

b. have to be sure that each cutting, the depth will not bigger than 0.08mm. All these are because of the steel will be deformed when milling and after hardening. The deforming will cause the cavity and core’s fitting are not accurate, there will be a lot of hand works on it,.By hand works on the parting area, you can never work out a perfect parting line.

chair weight, thickness and the strength reach your requirement or not?

Usually , the main reason to effect the wall thickness is plastic chair 3Dde sign and polishing on the cavities and cores. So before we start manufacturing, we need to check design carefully. Hard working on the parting line also be one of the reason for wall thickness is not even.

Sometimes, we need to make some area more thick to ensure the chair strength. And on the other hand, the uneven wall thickness will cause the unbalance injection and uneven cooling. Hard working on the parting line also be one of the reason for wall thickness is not even.

That will cause slow injection speed and maybe shrinkage marks happened. If CNC milling is too rough, the chair wall thickness could not be even.

When we check the chair stackable, we need to pay attention for the chair deform during chair injection molding.

In a word, we need to check the design for the chair thickness and strength. especially for the bottom area. Such area is important to hold a weight of one person. Sometimes, we need to add some ribs to improve chair strength. During the design, we also could calculate or analyze the force of each area. If you want to make a light chair but strong enough, you can choose a very low MFI PP material. But in this way, you need to know attention the injection filling during mould testing. Usually the material MFI would be 4-6.

If you are interested in plastic injection chair mould. welcome to visit our factory!

Posted by Bonnie

service37@sinomould.com

Choosing a good chair mould（I）

Chair mould is our daily plastic injection mould in home appliance plastic injection area. And plastic chair mould become more and more popular nowadays. Plastic chair mould have a big market in the future.

Choosing a good chair mould is very significant problem for a client. In my opinion, there is several points should be attention when we choose a chair mould manufacturer

we should select a big and famous company to ensure its quality control system. Almost all of the mould company can make plastic injection chair mould, but there is seldom of mould companies can make a good chair mould. I think you should check bellow points:

chair mould running system

If the cooling water temperature is from 8 to 12 centigrade degree, chair weight id 1700g to 2400g, the cycle time would be 35-50 second. And if the machine plastic melt and injection is with accumulators, the design of cooling channel.

1.chair mould run shorts guarantee

Many people will say that they will have one million guaranteed. But God know how many shorts they could guarantee. The guarantee for a mouth run 1 million shorts without any flashes. If you accept to cut the flash by hand, there will be a heavy labor for this. We suggest to use a mould with 10 millions shots. But the important factor you should check is steel hardness. Normally the steel hardness should be HRC33.

2.chair parting line

Sharp edge on the chair is dangerous, in order to avoid the sharp edge, we have to do many points during chair mould manufacturing.

3.chair wall thickness

Normally, we need 3 stages finishing. From rough milling steel hardened, after hardening, take

2^nd stage milling, we call it half precise milling, normally we leave 0.3mm, then make the stress

releasing, after this we do final precise milling. When in this time, the machine operation is very important.

Bonnie
service37@sinomould.com

hot runner mould advantage

Why hot runner system is much popular than cold runner? It is a usual question for plastic injection maker could ask. Do you know why? Let me explain one by one for you:

Hot runner is a heated parts which inject the thawing plastic into mould cavity. Hot runner system can be divided into two types: fully hot runner, semi hot runner. Different hot runner mould price for different types.

But in a word, why we choose hot runner moulds to produce product? Of course, because of its advantages.

they have below advantages:

1. hot runner could shorten the cycle time

2. hot runner system can reduce the waste in production

3. hot runner could improve product’s quality

4. hot runner can beneficial for automotive production

5. hot runner can extend appliance area of injection technology.

Anole hot runner company, has much experience in making different points of hot runner. We have professional design and manufacturing team for hot runner system. Our hot runner have one year gurantee. And we also export our hot runner for many area all over the world.

If you have any interested in our hot runner system, welcome to our company for further discussion and further cooperation.

Posted by Snow

Email: export3@cnmould.cn   export9@dakumar.cn

Skype:sinogroupe-71

High speed injection machine advantages

High speed injection molding machine now become more and more popular in plastic injection molding trade. So what caused the high speed injection machine so popular? Of course, the main reason is high speed and high efficient production, which can reduce the products injection cycle time. Here is several points I concluded:

a.   The injection speed is faster. The motor is bigger with accumulator

b.   The speed add material is faster, the screw speed is much faster.

c.   Muilty- cycle line system: use double or muity cycle time desgn, to do the  action in the meantime for shortening the molding time.

d.   Add mould cooling line, so that make mould cooling more efficiency.

And usually, we produce thin wall products with high speed injection molding machine with high speed and high pressure injection. Because thin wall products have high requirement for this point.

DKM machinery, professional plastic injection molding machine supplier, have many experts for high speed injection machine design and manufacture. And from our factory founded, we have many years experience in making different kinds of plastic injection molding machine.

If you have any interested in plastic injection molding machine, please feel free to contact me. And welcome to visit our factory.

Snow

Export3@cnmould.com

Box injection molding service

Various of plastic box mould, the transparent PP box mould for food or other storage usage. Recently, we have made a series of PP transparent box mould for Turkey. Annually, we offer carious box mould for Italian Mazzei plastic molding company more than 60 sets of plastic box moulds, we have a wealth of knowledge about box mould design and box mould manufacturing

1.  We have experience to make 2 or 4 cavities box mould with the box dimension 600*350*450mm, and with the cycle time 48 seconds

2.  We have the knowledge to make the box mould wall thickness tolerance not more thean 0.003mm with the wall thickness 1.2mm.

3.  The stripper are specially designed and mould base are strong enough to keep the box mould high speed injection.

4.  The extreme cooling system, optimized hot runner system of the box mould

5.  DIN 1.2738 steel for good polishing and long last polishing result, also keep the box mould high pressure injection molding with long mould life.

Sino Mould, as a professional plastic injection molding, have many years experience in making box mould, storage mould, container mould and so on. We have expert for mould design and product design, professional designer team ,as we called. They also have a certain experience for different experience for varies plastic mould.

Any question, please let me know.

Snow

Export3@cnmould.com

Bottle Crate Mould

Sino Mould, well known plastic injection mould supplier, is also very famous for its plastic bottle crate mould. We have newest innovation for bottle crate mould design. And also we have rich experience in excellent bottle crate mold structure for 4 inner angle lift, realize automatic ejection, moldmax application for high speed injection.

Usually, we made bottle crate mould for mould material DIN1.2344. Standard bottle crate mould size is 400*300*280mm for 24 bottle crate. And we produce with 650T injection machine for production. And 4 points pin point gate will be used in bottle crate mould design. As we all know, it is also stripper full automatically.

Bottle Crate mold features: Complex mould structure. The application of Copper Beryllium leads to best cooling effect. Anole hot runner- professional filter system design, is suitable for high speed recycled material injection production. Stroke switch controls ejection process precisely. Oil and water integrator is more convenient for application and operation. Adjustable system for flash, corrects the flash accured after long running production, and protongs the mould life. Copper guide bush, abrasion resistance and prolong the mould life.

If you have any question about plastic injection solution, please feel free to discuss with us.

Snow

Export3@cnmould.com