Manufacturing plastic parts
Yujin Ltd manufactures thermoplastic products by injection molding to individual customer orders.
Parts produced by the company are used in automotive, electrical, navigation, household-appliance and other industrial applications.
Injection molding is performed on specialized injection-molding machines. The part is formed by injecting molten material into a mold.
What is needed for production
Each product requires its own mold and a suitable injection-molding machine on which the part can technically be produced. Molds are manufactured by specialized companies.
To start producing a plastic part:
- Provide a drawing, sketch or sample and define the product requirements.
- Assess manufacturing feasibility and the indicative cost.
- Manufacture a mold or provide the customer’s mold.
- Select the injection-molding machine.
- Produce a trial batch, refine the cost and confirm quality.
Contact our specialists to begin the work or obtain advice.
Input data for machine selection
ShotMass or volume, including runners
MaterialMaterial type and grade
ProductDrawing, sketch or sample
MoldNumber of cavities
LayoutCavity layout relative to the parting plane, or a shot sample with runners
DimensionsMold dimensions in the open and closed positions
Available injection-molding machines
Input data for molding-cost calculation
EquipmentInjection-molding machine type
MassNet part mass and runner mass
Manual finishingRunner trimming, deburring and other operations
Cycle timeEstimated by the mold maker and confirmed during the trial batch
MaterialMaterial grade
DocumentationPart drawing
VolumeForecast demand
RequirementsSpecial product and process requirements
The calculated price may also include:
MoldDepreciation, except when the customer’s mold is used
Subsequent operationsAssembly, for example
PackagingCost of the agreed packaging
DeliveryTransport cost
Manufacturing capabilities
Supporting equipment includes material dryers, granulators, inspection equipment, hot-runner and mold-temperature controllers, a measuring microscope and a polariscope.