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The production mold must bear extremely high melt temperatures and
unique flow characteristics of thermoplastics making mold design
critical to quality production. The mold design team must have
experience in a broad range of plastic material characteristics and
design a mold that matches the high performance of each material¨s
molding condition. It takes a collaborative effort to build a production
Proper design of the cooling channels inside the mold is absolutely
essential for a production mold. The channels must be sufficiently sized
and correctly located to accurately control the mold's temperature
during molding. Proper cooling design is a must for making the full
Gating and venting:
Gating and venting are similarly critical to production molds.
Different high performance plastics have different melt points and flow
characteristics, these have to be accounted for in gating, venting, core
pulls and other aspects of the mold¨s construction and operation.
The Tolerances of the production mold must be tight and the clamp
tonnage of the injection molding machines must be appropriate fit to the
part size, which can withstand the higher pressure without flashing,
mismatch, and other defects.
The steel, design, workmanship and tight tolerances of Sunway molds
are critical to production molding. Made from the best quality steel,
such as AISI H13, 2344, specially formulated for high temperature. Using
a Hot Runner System we can raise production efficiency and reduce the
waste of the material. Using High Speed CNC, EDM and Machining Centers
combined with precision measuring and quality control instruments we
insure Quality Control of the mold and Precise Tolerances.