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About injection mold supply

The mold designer will design the mold according to the product designer’s drawings. The mold designer should determine the mold base standard, core and cavity materials, cooling system, runner type and location, gate type and location, parting line location, ejection system, etc. Once all of this is determined, the mold designer will use the software used to map the mold in 3D and make a bill of materials, including all the components the mold will use. When designing an injection mold, the designer should consider the shrinkage rate of the product material, the geometry, the balance of the runner and cavity, the balance of the cooling system and smooth ejection. There are still many problems for mold designers to think about, how to deal with inconsistent wall thicknesses, and how to make products with high-gloss surfaces.

The mold maker makes the mold after receiving the drawings and diagrams from the mold designer. Some mold components are standard and should be purchased from other suppliers. Some parts should be custom made by CNC mills, EDMs, grinders and drills.

Standard parts are mold bases, thimbles and other guiding, positioning and buffering things. Standard components should also be machined to hold custom components.

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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best results

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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