Best Plastic Injection Molding Manufacturers in China

/Best Plastic Injection Molding Manufacturers in China
Best Plastic Injection Molding Manufacturers in China 2017-04-21T07:26:05+00:00

Molding for mutual success

We  benefit from your success only

  • Double-shot/Overmould molding
  • Insert injection molding
  • High Precision Molding
  • Thin-wall injection molding
  • Gas-assitant Injection Molding

FAQ about injection moulding

Plastic parts unit price consist of :

1.material cost;
2.injection cycle time;
3.workers number on machines, cutting gate remains and trimming excessive flushes etc; in auto-produce molds, no workers is required during injection;
4.tonnage of the injection machines;Bigger machines, more cost.
5.surface and other process fee, like painting or silk print;6.Order quantity.

Our suggestions are :
Choose a proper resin, commodity resins like PP/ABS/PE/PC are widely used with good pricing;
Make wall thickness as thin as necessary required, help to reduce cycle time and material volume;
Design for the right injection moulding machines;
Design for auto-production, to reduce human cost;

In most cases, there are several layout options in making molds, especially family molds for a whole product. You might have to choose between a high mold/tooling cost strategy with lower unit prices and a low mold/tooling cost with higher unit prices.
For a new project with uncertainty, it is common to use low_tooling+ high_unit_price strategy;
For a selling-crazy project/duplicate molds, the priority is always on low_unit_price;

It really depends on injection molding cycle time;
For instance, 45 seconds per cycle in a single cavity mold, it would mean 22h*60m*60s/45s=1760 pcs per day; For a 5-cavities mold, it means 8800pcs per day;

With a excellent tooling and good injection molding machine, the parts quality can be ensured by:
1.professional settings of injection machine;
2.proper material;Improper regrind will hurt the parts not just physically but aesthetically
3.constant monitor and quality check;
4.well trimmed and packed;

It is actually more a choice of our clients;
Proper mixing regrind is common in many cases; and it wont compromise the quality in that case;
Regrind help to bring down the cost;
This is how some companies are providing unusual low unit prices ; by adding excessive regrind.

In many cases, regrind is not allowed;

However you should always be aware of this situation.

Moulding with Corelmould

We have 43 injection moulding machines, from 86 Tonage to 2000T; 3 high-speed moulding machines, 6 special moulding machines for engineering plastics.
Moulding primarily depends on the toolings; Moulding setting can change the result in a certain range;Our injection moulding machines allow us to provide industrial high standard accuracy.
With a excellent tooling and good injection molding machine, the parts quality can be ensured by:
1.professional settings of injection machine;
2.proper material;
3.constant monitor and quality check;
4.well trimmed and packed;
It is actually more a choice of our clients;
Proper mixing regrind is common in many cases; and it wont compromise the quality in that case;
Regrind help to bring down the cost;but it also might jeopardize the quality of products, especially in the case of abuse.
Some companies use excessive regrind to give lower pricing or extra profit,which you should be careful with.

45 injection machines of different tonnage are at your disposal

Massive production with quality

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