|Place of Origin:||Dongguan City China|
|Brand Name:||DF MOLD|
|Minimum Order Quantity:||1 SET|
|Packaging Details:||Wooden Crate For Mold|
|Delivery Time:||6-10 Weeks|
|Payment Terms:||T/T, L/C,Western Union|
Dengfeng mold provide Gas assisted molding in from 2010 years. Now we can design Gas assisted mold as client's requirement. The two main control techniques for gas injection are volume control and pressure control.
Gas volume control
A preset volume of gas is injected and the gas pressure decays during the packing phase. In the case of volume control, the initial charge of gas is fixed at a particular volume for a set pressure. The gas is injected into the polymer melt by means of a gas compression ram. The gas pressure then decays as the gas expands into the melt and is held during the packing phase.
During the holding (cooling) phase the gas maintains pressure on the polymer and in so doing packs (compresses) the solidifying polymer, compensating for volumetric shrinkage. The gas pressure also forces the outer polymer skin against the mold walls maintaining good thermal contact and ensuring that cooling periods are kept to a minimum.
Gas pressure control
Gas pressure is controlled during the injection cycle and can be stepped or profiled. In the case of pressure control, it is the pressure of the gas which is being controlled during the injection cycle, not the volume. This is based on the assumption that the gas pressure can affect the rate of movement of gas/polymer flow fronts. Gas pressure can be stepped or profiled during both the injection and packing phases.
AAA grade credit enterprise, ISO9001, ISO14001, SGS
Japanese standard of QC management & Euramerican standards
Designing the mould, CNC processing and other tooling, assemble all mould parts
OEM & ODM service
UG, PRO-E, CAD, CAXA, etc
Mould base Standard
LKM , HASCO , DME, etc
NAK80, S136(H), 2738, 718&738 and P20 etc
hardness of steel:
500,000-1,000,000 shots as you required
Final products’ materials
ABS, PP, PE, POM, PA6(66)+GF, PC, PMMA HIPS, GPPS etc
Final Products’ colors
Any color as your required
25-50 workdays based on the different products
Relevant requirements reachable
ROHS, UL, or as requested
Wooden case package or follow customers' requirement
FOB Shanghai Port, China
T/T, L/C at sight