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About chair mold injection

Injection molding is a very versatile and incredibly useful manufacturing technique. It is most often used when working with plastics, but this process can also be used with other types of materials. Some of the other most commonly used materials for injection molding include various types of glass, elastic polymers, rubber, and even sugars. Some injection molded parts are made of more than one type of material and can also have metal hardware, although these involve extra steps in the process.

Injection molding design shares several similarities with die casting. It is frequently used alongside other manufacturing processes to create as many of the finished product’s components as possible. This process offers several advantages and is something that should at least be considered when planning to manufacture a new product. When large numbers of parts are needed, and they can be made of a moldable material, injection molding is often the best choice.

However, the injection molding process has its pitfalls, just like other types of manufacturing. Costs can become unnecessarily high if specific aspects of the project are left unchecked. Fortunately, there are numerous ways to control and reduce the cost of injection molding just from a design perspective. In addition to optimizing the design of parts and molds for this process, there are some other factors to consider that can help to reduce the production cost.

Molds that are used for this process may be made from several grades of tool steel. In some circumstances, they may be made of stainless steel or even aluminum. Which material is appropriate for the mold is determined by the material that will be flowing into it along with considerations like production volume, cost, and desired life expectancy of the mold.

These molds often have multiple cavities to allow for the production of multiple pieces at the same time. This allows a single mold to produce multiples of the same part, a variety of different components, or even multiples of several parts from a single cycle.

The plastics and other materials used in injection molding are often in a bead or pellet form.

chair mold injection LATEST PRODUCTS

Main Quality Control Procedures

TKB has independent quality control department to control every quality inspection step from incoming material, production process, assembly, packing, as well as cargo shipment. We have established quality evaluation program for each process to assure best quality and most professional service to our customers.
We carry out full inspection reports like monthly/seasonal/yearly quality analysis report, CPK, FAI, IQ, OQ, PC, PPAP, PFMEA etc.
1.DFM quality control
2.Mold flow quality control
3.Mold steel hardness check
4.Electrodes Inspection
5.Core and Cavity Inspection
6.Pre-assembly Inspection
7.Trial Report and Sample inspection
8.Production process quality control
9.OQC inspection

Supply Chain Support

Extended quality insurance from worldwide branded suppliers to insure good quality and after-sales service to your molds and molded parts.
Mold Steel suppliers: Assab, Bohler,Buderus,Daido,Finkl,Groeditz, Hitach, LKM Steel, Saartahl, Schmolz+bickenbach
Mold Base: LKM, Mingli
Hot Runner: DME, Incoe, Inglass, Mold Masters, Yudo, Hasco, Syventive, Husky
Hydro-Cylinder: Parker, HPS, Merkle
Plastic Materials: Dupont, Chimei, LG, Basf, Bayer, DSM,Borealis,Formosa.
Texture: Mold Tech Yicksang

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FAQ

Date:2021-8-10

FAQ/ Frequently Asked Questions

 

 

As a plastic mold and injection molding company in China, we prepared answers for following most frequent asked queries for you, for more queries are always be here for you.

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CONTACT US

 

1. What info needed to get a correct mold quotation? How fast does it take to quote a project?

1)2D or 3D product drawing is needed for a mold quote;

2) If special requirement on mold steel, mold life, cavity quantity, hot runner requirement, part material, forecasted year quantity. Complete information will help to a most suitable cost effective, value added mold solution.

3) Normally take 2 working days to quote a new mold project seriously, and expedite quote is also available.

 

 

2. What’s the payment condition in TKB Mold?

1) New customer for mold: T/T 50% deposit, 50% against sample approval.

2) Mold modification: 100% upon sample approval.

3) Injection molding parts: 50% deposit, 50% before shipment.

4) VIP customer special terms: to be negotiated.

 

 

3. What’s the price terms/freight TKB mold will offer?

  • Normally TKB will offer ex-work TKB price for injection mold and plastic parts.
  • Free mold trial shotting samples free of charge and with freight to collect.
  • VIP customer special terms: to be negotiated.

 

 

4. What’s lead-time for a plastic mold and injection molding processes?

  • Injection mold lead-time counted from mold drawing approval and receipt of deposit to first mold trial(T1), and the difficulty of the molds determines how much time is needed, normally 20 to 60 days.
  • Injection molding lead-time counted from sample approval and receipt of deposit to production finish, order quantity determines how much time is needed, normally 7 to 15 days.

 

 

5. Will TKB send DMF to customer?

Yes,TKB Mold will send DFM (design for manufacturing) analysis and even mold flow analysis prior to the start of mold construction for customer review/approval.

 

 

6. Will TKB send mold design for approval?

After DMF approval, TKB will send the mould design for approval, and TKB will not start steel-cut before getting customers written approval of mold design.

 

 

7. How many plastic samples will be free provided?

TKB normally would provide 10~20 shots first mold trial shooting samples with gate(if have) free of charge according to the size of the parts, it would be freight to collect.

 

 

8. Which side provides plastic resin for injection mold trial?

TKB can provided plastic resin, if needed customer can provide the plastic resin the same.

 

 

9. How to make sure of quality before shipment?

shipment can be arranged only after TKB QC inspection PASS, or customer QC inspection PASS, or third-party inspection PASS if required. And TKB will always be there to provide full support.

 

 

10. How will TKB keep record of all mold data.

TKB will keep record of all final approved 2D, 3D mold drawing, modifications document, and send to customer for file to avoid future confusion in case engineering change is needed.

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