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Plastic Injection Mold for Automotive Fans with dynamic balancing testing

Glory On mould., Ltd

Plastic Injection Mold for Automotive Fans with dynamic balancing testing

Brand Name : Plastic part for famous car brand

Model Number : High quality tool for injection molding

Certification : IATF16949

Place of Origin : China shenzhen moldmaker

MOQ : 1 SET

Price : 10000-50000USD

Supply Ability : 8 sets

Delivery Time : 6-12 weeks

Packaging Details : wooden box

Material : PA66 30GF

Cavity Steel : 738H/1.2343

Mold size : 850X850X750

Cavity : 1/2

Mold life : 500K shots

Runner : cold runner/hot runner

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FAQ:

1.Why choose GOM?

High Quality and short lead time with best engineering service to bulid long-term business relationship with customer.

2.What GOM service?

-Components manufacturing

-Plastic molds building

-Injection producing

-Painting & Plating

-Assemble

-Engineering support

3.How to control the quality?

Every process finish must make the measurement by CMM and should be passed then can do the next process.

4.How to provide after-serivice on the overseas?

We have 3 Parters in different area can deal it, in Mexico,Czech and Spain.

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Mould Base LKM, DME, HASCO etc ;
Cavity Material 1.2738,1.2343, 1.2344, S7, H13, P20HH, GS738H, LKM738H, 718, 8407, S136, Calmax 635 NAK80,
SKD-61,NIMAX, 45#, 50#, Aluminum for prototype mold etc.
Steel Hardness 20-60HRC
Treatment Pre-Harden, Nitride, Heat treatment, Quenching
Cavity Single-cavity / Multi-cavity
Runner Cold runner or Hot runner :YUDO/ HUSKY/MOLD-MASTER/SYNVENTIRE/INCO/ MASTIP/ HASCO/ DME
Gate Submarine gate, tunnel gate, side/edge gate, direct gate, pin point gate, sprue gate, diaphragm gate, fan gate, cashew gate, hook gate, hot tip, hot drop, valve gate etc.
Plastic material for parts PS, PA, POM, ABS, PP, PET, PC, PE, HDPE, PA66+GF, PVC, TPE, TPU, TPV etc
Mould Life 5000 - 200 0000shots
Design Software UG, CAD, PRO-E, Solid Works etc,
Process CNC, high speed carve, EDM ,wiring-cutting, drill, polish etc
Certification ISO9001:2000 ,ISO14001:2004,TS16949
Lead Time 10-30 work days depends on the structure and size of products
Package Wooden Case Package or according to customer requirement
Price Term EX Works, FOB Shenzhen, FOB Hong Kong, CFR, CIF, DDU, DDP
Payment T/T, L/C,Western Union ,

GOM could provide a full turnkey solution for customers bespoke plastic injection moulding needs inclusive of design, development, mould tooling, production and post moulding support for Automotive, consumer electronic,Home appiance , Toys and Games, Communication industries and etc.

OEM & ODM orders are welcome.

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Issue Solution example:

Warping

Description: Warping (or warpage) is the deformation that occurs when there is uneven shrinkage in the different parts of the molded component. The result is a twisted, uneven, or bent shape where one was not intended.

Plastic Injection Mold for Automotive Fans with dynamic balancing testing

Causes: Warping is usually caused by non-uniform cooling of the mold material. Different cooling rates in different parts of the mold cause the plastic to cool differently and thus create internal stresses. These stresses, when released, lead to warping.

Remedies:

  1. Ensure that the cooling time is sufficiently long and that it is slow enough to avoid the development of residual stresses being locked into the part
  2. Design the mold with uniform wall thickness and so that the plastic flows in a single direction.
  3. Select plastic materials that are less likely to shrink and deform. Semi-crystalline materials are generally more prone to warping.

Burn Marks

Description: Burn marks are discolorations, usually rust colored, that appear on the surface of the injection molded prototypes.

Plastic Injection Mold for Automotive Fans with dynamic balancing testing

Causes: Burn marks are caused either by the degradation of the plastic material due to excessive heating or by injection speeds that are too fast. Burn marks can also be caused by the overheating of trapped air, which etches the surface of the molded part.

Remedies:

  1. Reduce injection speeds
  2. Optimize gas venting and degassing.
  3. Reduce mold and melt temperatures.

Jetting

Description: Jetting refers to a situation where molten plastic fails to stick to the mold surface due to the speed of injection. Being fluid, the molten plastic solidifies in a state that shows the wavy folds of the jet stream on the surface of the injection molded part.

Plastic Injection Mold for Automotive Fans with dynamic balancing testing

Causes: Jetting occurs mostly when the melt temperature is too low and the viscosity of the molten plastic becomes too high, thereby increasing the resistance of its flow through the mold. When the plastic comes in contact with the mold walls, it is rapidly cooled and the viscosity is increased. The material that flows through behind that viscous plastic pushes the viscous plastic further, leaving scrape marks on the surface of the finished product.

Remedies:

  1. Increase mold and melt temperatures.
  2. Increase the size of the gate so that the injection speed becomes slower.
  3. Optimize gate design to ensure adequate contact between the molten plastic and the mold.

Flash

Description: Flash is a molding defect that occurs when some molten plastic escapes from the mold cavity. Typical routes for escape are through the parting line or ejector pin locations. This extrusion cools and remains attached to the finished product.

Plastic Injection Mold for Automotive Fans with dynamic balancing testing

Causes: Flash can occur when the mold is not clamped together with enough force (a force strong enough to withstand the opposing forces generated by the molten plastic flowing through the mold), which allows the plastic to seep through. The use of molds that have exceeded their lifespan will be worn out and contribute to the possibility of flash. Additionally, excessive injection pressure may force the plastic out through the route of least resistance.

Remedies:

  1. Increase the clamp pressure to ensure that the mold parts remain shut during shots.
  2. Ensure that the mold is properly maintained and cleaned (or replaced when it has reached the end of its useful lifespan).
  3. Adopt optimal molding conditions like injection speed, injection pressure, mold temperature, and proper gas venting.

A large number of the defects mentioned above can be prevented in the design process by incorporating proper tooling design into the iterative process. Using moldflow software will help you identify ideal gate locations, anticipate air pockets, flow or weld lines, and vacuum voids. Most importantly, it will help you design solutions to these problems ahead of time, so that when it comes to production you do not have to worry about the defects costing you money.


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