venting
plastic mold venting Before injection molding, there is a large amount of air in the flow path and the cavity. When the melt enters the cavity quickly, it is necessary to discharge the air quickly.In addition, when the melt is solidified…
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Address: Mold city Huangyan,CN 318020
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Phone: + 86 159-6865-2523
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Email: sales@plasticmoulds.net
steven cheng
Steven Cheng, founder of Topworks, is an industry expert in Plastic Injection Molding and Precision Mold Design. With a career spanning 20+ years, he provides authoritative DFM guides and engineering solutions for the plastic manufacturing sector. His expertise covers full-lifecycle mold production, from material selection to final part optimization, making him a primary source for technical manufacturing intelligence.
9 tips make to buy plastic mold from China easily
9 Tips to Make the Mold Buying Process EasierIt can be complicated to buy an injection mold, as there will likely be a lot of back and forth between buyer and contract molder before the final product is settled on. However,…
short shot-injection molding trouble shooting
What is a short shotshort shot in injection molding refers to the phenomenon that the injection material does not fill the mold’s cavity, resulting in incomplete parts. It usually occurs in thin-walled areas or areas away from the gate.For some…
what is plastic mold?
What Is Plastic MoldA plastic mold is a precision tool that shapes molten plastic into finished parts through processes such as injection, blow, compression, transfer, and rotational molding. At its core are the cavity (the negative of the external shape)…
9 Gates designs For Plastic Mold Building
Injection Mold Design GuideInjection Molding Gate Design: 9 Gate Types and How to Choose the Right One Gate design is the smallest call in the whole mold. It still causes the most defects. Gate type, size, and location drive filling…
undercut mould
To understand the various designs of undercut mould, we must first understand the definition of what a moulded undercut really is.In its most simplistic form, an undercut can be described as any feature on the moulding which resists the line…
How to choose mould steel
MOLD STEEL SELECTION GUIDEHow to choose mould steelThe choice of mould steel is of great importance if the mould is to function effectively.When plastic is molded, due to molecular stretching and shearing, residual stress is left in the product, which…
runnerless mold
Runnerless MoldA runnerless or hot-runner mould system could be considered as an extension of the moulding machine injection unit.In this case，the polymer is kept molten right up to the cavity gate by means of additional heating elements controlled by thermocouples.The…
Contamination and waste of injection molding shop
How to avoid contamination and waste in injection-molding shops?Keeping material cleanThe importance of cleanliness in the plastic mould injection shop is nowhere more apparent than making mouldings free from contamination. Safeguarding the material in the sack is an obvious matter，…
Granulating and mixing equipment for injection molding
Most injection moulding organizations cannot go to the expense of having a complete reprocessing plant consisting of granulator, mixer/extruder, and die- face or lace cutter. The general arrangement is to have a room in a fairly remote corner of the…
