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How much does a plastic injection molding machine weigh?

2024/04/29 By Topstar

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Before planning to purchase a plastic injection molding machine, many users consider their special functional structures and other issues. A small number of customers will ask about their weight because this will also affect the relevant shipping conditions and costs. At the same time, the machine’s weight will also affect all aspects of operation. Therefore, in this blog post, we will briefly share with you the factors that affect the weight range of plastic injection molding machines and the factors that affect them.

Common plastic injection molding machine weight ranges

Topstar, TE, and TMll series are the injection molding machines most commonly purchased by users. They work in two modes: hydraulic drive and electric drive respectively. Among them, the clamping force of the TMll series is 90T-470T and its weight range is 3-17.5T. The clamping force of the TE series is 60T-460T and its weight range is 4.8-90T. Therefore, the weight range has a certain relationship with the clamping force.

Effect of size and clamping force on weight of plastic injection molding machine

The key aspects of a plastic injection molding machine that determine its overall weight are its size and clamping force, which is the pressure exerted to keep the mold closed during the injection process. The need for greater structural integrity and higher clamping forces leads to using heavy and durable materials in machine construction. This design can withstand considerable forces during the molding process without deformation. As clamping force increases, the thickness and sturdiness of these components increase, thus increasing the overall weight. Every one of its major components, from the injection unit to the hydraulic or electric drive system, increases in size. This includes larger hydraulic systems, heavier platens, and stronger toggle or hydraulic clamping mechanisms, increasing the overall weight.

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Effect of structural components on weight

The main structural components that affect the weight of a plastic injection molding machine include the base, pressure plate, and injection device. The injection molding machine’s base is the entire machine’s foundation. It supports all other components and absorbs the forces generated during molding. It is typically made of high-grade steel and must be strong and heavy to ensure stability and reduce vibration during operation.

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The pressure plate is a key component that fixes and supports the mold halves. In a plastic injection molding machine, there are usually two pressure plates. It is a fixed pressure plate connected to the base of the machine and a movable pressure plate that opens and closes. During the clamping and injection stages, the platen must withstand high pressures while maintaining precise alignment, necessitating dense, durable materials. This greatly increases the total weight of the injection molding machine. The injection device is composed of a hopper, barrel, screw, and heating belt, all of which increase the weight of the machine.

Installation impact of plastic injection molding machine weight

The weight of the plastic injection molding machine will also have a certain impact on installation and transportation. Especially larger injection molding machines weigh more than ten tons, and the floor must be able to withstand this load. In addition, there must be enough space not only for the machine itself but also for related components and the surrounding passages. The weight of the injection molding machine will also bring certain challenges during transportation, which will incur certain expenses and related policies on export coasts, etc.

Weight-related considerations

You must pay attention to related operating matters when operating a heavy-weight plastic injection molding machine. If necessary, the floor structure must be reinforced to accommodate such weight and avoid the risk of structural failure. Given their mass, these machines require careful placement and maintenance of horizontal stability and operational integrity to prevent uneven wear of mechanical components and ensure that the clamping force is evenly distributed across the mold. If an injection molding machine produces significant vibration, the operator must consider implementing additional vibration reduction techniques, such as mounting the machine on an isolation pad.

Understand the various aspects of weight impact

The weight of a plastic injection molding machine affects everything from installation to transportation requirements and facility planning. You need to have a comprehensive understanding of this. At the same time, you also need to choose the appropriate weight based on your own situation and make relevant preparations.

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