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Everything has a life span, so does the motor mold. In short, it is the usable time of the mould. But the life of motor mold has "unit". Its unit is called durability. How can it be regarded as failure? Generally speaking, if there are wear, deformation, fatigue and fracture, the motor mold is scrapped. There are many factors affecting the life of motor mold, such as processing technology, heat treatment technology, mould structure design, lubrication, mould materials and so on. Thermal treatment has a great influence on the life of the mould. In fact, the life of motor mold can be prolonged as long as you do the following:


1. Reasonable selection of mould materials

A. Requirements of Mould for Material Properties


(1) General requirements

It includes mechanical properties, high temperature properties, surface properties, technological properties, economy and so on.


(2) Special Requirements for Materials of Various Moulds

Cold working mould: high strength, high hardness, high wear resistance.


Hot working mould: good corrosion resistance, high tempering stability, high temperature oxidation resistance, thermal fatigue resistance, smaller thermal expansion coefficient and higher thermal conductivity.


B. General Principles of Mould Material Selection

(1) It should satisfy the requirement of the service performance of the mould.

Considering the working conditions, mould structure, product shape, dimension accuracy and batch production, suitable mould materials are selected.


(2) It should have good technological performance.

It has good malleability, cutting machinability and heat treatment characteristics.


(3) Proper consideration of economy

In the case of meeting the first two requirements, the selection of materials should take into account as much as possible the low price, abundant resources, convenient supply and so on.


2. Choosing new technology of mould surface strengthening (applying various surface treatment and chemical treatment technologies)


3. Rational design of mould structure

Principles of mould design:

(1)  Ensure sufficient strength and stiffness;


(2)  The upper and lower moulds are neutral and reasonable blanking clearance;


(3) Reducing stress concentration


4. Improving the Machining Accuracy of Dies and Moulds


5. Reasonable Lubrication


Application

  • Automotive
    Automotive

    Sheet molding compound (SMC) mold can be used to manufacturing parts of cars, buses, trucks, transport and special vehicles.

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  • Energy/Power Generation
    Energy/Power Generation

    BMC and SMC are used to make xenon lamp HID luminaires because they can withstand the high temperatures that luminaires can withstand.

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  • New Energy Vehicle
    New Energy Vehicle

    Sheet molding compound (SMC) mold can be used to manufacturing parts of new energy vehicle.

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  • Transportation Equipment
    Transportation Equipment

    BMC and SMC are used to make outdoor large-scale transportation equipment bearing housing, bearing cover, sealing ring, non-oxidizing.

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  • High-speed Rail
    High-speed Rail

    The bulk molding compound (BMC) and sheet molding compound (SMC) are different from these materials.

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  • Building Materials
    Building Materials

    Our BMC ceiling and wallboard materials have been developed for more than ten years, and the technology is constantly being updated.

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  • Ship
    Ship

    Sheet molding compound and bulk molding compound are widely used for Ship. Click here for more info about the SMC & BMC material.

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  • Electrical Appliances
    Electrical Appliances

    BMC can be used for household appliance, such as frying pan lids and brackets, as well as kitchen component materials such as oven endplates.

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  • Motor
    Motor

    BMC plastic motor mold replaces the traditional iron shell and aluminum products, reduces the process, stronger sealing, higher safety factor, less noise.

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  • High And Low Voltage Electrical Switch
    High And Low Voltage Electrical Switch

    BMC & SMC is used to make parts with resistance to electrical marks greater than 600 minutes and arc resistance greater than 180 seconds.

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  • Outdoor Supplies
    Outdoor Supplies

    The fuel cell industry uses a large number of thermoset materials to make two plates. BMC and SMC are also suitable for use in solar tile and wind turbines.

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