PET preforms bottle pet preform injection mold factory in taizhou.
Mould Description:
| Injection Mould Name |
Plastic jar pet preform mould |
| Mould Core and Cavity Metal |
S136 |
| Injection Machine Size |
300tons |
| Demould Type |
Automatic |
| Metal Hardness |
HRC 42-52 |
| Mould Base |
Self-Made LKM DME |
| Mould Runner |
Cold Runner &Hot Runner |
| Cavity Number |
Multi Cavity |
| Cycle Time |
13 Seconds |
| Tooling Lead Time |
60 Days |
| Mould Life |
100-300 million shots/ 5-6years.Even in 10 years in good condition. |
| Mould Surface Treatment |
EDM,Texture Mirror Polishing |
| The main mould metal material and hardness for your reference,You can choose it for your injection mould. |
| Steel Model |
S50c |
P20 |
718H |
2738H |
H13 |
2344 |
S136 |
| Hardness(HRC) |
17-22 |
28-32 |
33-38 |
36-40 |
48-50 |
48-52 |
42-52 |
How to make good quality jar pet preform injection mould?
A: Mould Design
Good pet preform mould design is the first step,PRC mould has 3 designers with more than 15 years experience.
1:We will analyze the feasibility,shrinkage and molding temperature of plastic products.
2 :We will communicate with customers,including details such as weight,style design,size and appearance,stability and wear resistance of plastic products.
3:Design and mold flow analysis are provided free of charge.
B: Mould Metal Material
Choose different steel according to plastic product material,mould life and customers requirements.
We all buy mould raw material from large metal companies.
We personally test the hardness of the mould steel.
There are strict inspection procedures for the hardness of mould steel,and mould life is 1000000 to 3 million shots.
C: Mould Machine Tooling
After the pet preform mould drawing is confirmed,start production.
Including mold steel preparation, cnc rough machining, deep hole drilling, EDM,drilling machine,high-speed milling,finishing,polishing assembly,mold trial,electroplating,nitriding,etc.
Precisely control the size,and conduct self-inspection for each mould part according to the requirements of drawing size and tolerance limit control.
D : Mould Testing
The first time test we do on the mold is to check that it moves smoothly and correctly.
After the pet preform mold is polished,we will test pet preform mould again,compare the test samples with the original design.
Then send the final samples and pet preform mold testing video to customers for confirmation.
E:Shipping Mould Details
1:Before the pet preform mold is shipped,we will check whether the opening and closing of the plastic mould is smooth,the water cooling system,the hydraulic oil system and the hot runner system.
2:The cavity and core are cleaned without iron filings and impurities.
3:Blow the waterway clean to prevent long-term sea transportation from rusting.
4: We spray anti-rust agent on the inside of the mold,spray paint on the outside of the mould, and apply anti -rust oil on the thimble.
5:We will put a nameplate on the mold,it shows the mould name,the year of production and mould information,mold weight and size.
6: Mould parts are provided free of charge,(convenient for customers to replace).
Mould Maintenance Tips:
1: Routine maintenance of the mould:refueling of various moving parts such as thimbles,guide posts,and guide sleeves,cleaning the surface of the mold,and dredging accumulated water.
2: Regular maintenance:cleaning of exhaust grooves,discharge of trapped air and black spots,correction of damaged and worn parts.
3: Appearance maintenance: spray paint on the outside of the mould to prevent rust. fixed mold and movable mould should be coated with anti-rust oil.when the mould is stored,it should be airtight to prevent dust from entering the cavity.
Welcome to send us mould inquiry, Please click on the image below.
How to do plastic pet preform injection mould/mold order processing:
1 Design: According to your plastic samples/3D drawing,after received the samples,we will do drawing,it is free.
2 Discussion: We will discuss mould metal model,design,cavity number,runner,payment method details.
3 Design mould: We will send drawing to you,you can check and confirm.
4 Mould machine Tooling: We will send machine working photos every week.
5 Mould testing: We will send mould testing video and samples to you.
6 Shipping: After confirm samples,we will shipping molds.
1Q: Are you mould manufacturer?
A:Yes,PRC mould company is established in 2008 which specialized in making plastic moulds.
2Q: What about your payment terms?
A: 30% in advance,the balance should be paid before shipping mould.
3Q: How long is the mould warranty period?
A: The mould warranty period is 1 year and extra mould parts will be sent with moulds together.
4Q: Do you have after -service?
A:Yes,we offer after -service of prompt delivery of mould parts,we can provide technique service to you.
PRC Mould always think more for clients.
We are not the biggest ,but we are responsible and care about every mould quality for long-term business.
Let us win to win together.
Welcome to send us mould inquiry.
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