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Mold PARTS-resistant blocks and sliding wear plates
Mold wear block and sliding wear plate
Various factors can cause mold wear. The lifting mold exerts a significant force on plastic products, so it needs to be made of strong wear-resistant materials. Usually, this material is 738 steel, but it can also be hardened steel 4507 (HRC 50-52). The mold wear block is made of bronze alloy, while the rest of the mold is made of steel grade suitable for molding plastic. This mold comes at a cost.
Mold wear is caused by a combination of multiple factors
There are many factors that can cause mold wear. The most common cause is fatigue, which may occur during 100000 forming cycles, but may also occur before 300000 cycles. Multi cavity molds may have a longer lifespan than single cavity molds, as the same components may not be subjected to the same stress. Fatigue can affect any component that is subjected to torque, tension, and bending.
During the ejection process, shims must be used to support the lift. They are made of bronze and installed under the B board. They can prevent the elevator from deforming. In addition, they maintain the position of the angle lift during the injection process. To prevent this situation from happening, the injector retention plate must be equipped with a limit post that is higher than the base of the angle elevator.
In the preferred embodiment, the present invention reduces wear on the sliding components of the mold. The present invention can be used in various industries. Sliding wear plates can be made of various materials, including aluminum bronze, C954 aluminum bronze, and 4140QT. These wear-resistant plates are also available in various configurations. In order to increase versatility, the wear-resistant plate can also be designed as an O-ring to prevent mold closure.
Cushion block
During the ejection process, shims must be used to support the lift. They are made of bronze and installed under the B board. They can prevent the elevator from deforming. In addition, they maintain the position of the angle lift during the injection process. To prevent this situation from happening, the injector retention plate must be equipped with a limit post that is higher than the base of the angle elevator.
Sliding wear plate
In the preferred embodiment, the present invention reduces wear on the sliding components of the mold. The present invention can be used in various industries. Sliding wear plates can be made of various materials, including aluminum bronze, C954 aluminum bronze, and 4140QT. These wear-resistant plates are also available in various configurations. In order to increase versatility, the wear-resistant plate can also be designed as an O-ring to prevent mold closure.
Mold lift
If you are designing a molding process for a new product, you need to choose between the mold wear block and the mold lifter. The former is used for new plastic products, while the latter is used for remanufacturing. Both types have advantages and disadvantages, but there are also some differences that you should pay attention to. The mold wear block is generally made of bronze, while the mold lifting frame is made of steel.
More information www.dgruixinmold.com