How to Choose Plastic Crusher Granulator Blade Knife

Plastic granulators and crushers are widely used in plastic recycling and granulation. So how do you choose the right one? Let’s start with the knife type. Based on blade structure, plastic crushers can be divided into three types: flat blade, claw blade, and slice blade. These three types basically cover all the plastic crusher models available on the market today.

Choosing a Suitable Plastic Crushing Machine

Plastic granulators and
crushers
are widely used by plastic recycling and
granulation users. How can users choose the right plastic crusher for their needs?

From the perspective of knife type, this article provides a detailed introduction to the configuration of different
knife types, their performance, and their uses.

Based on knife structure, plastic crushers can be divided into three types: slice blade, claw blade, and flat blade.
These three types of plastic crusher structures basically cover all the plastic crusher models available on the
market.

plastic crusher granulator slice blades knife

Slice Blade Plastic Granulators

The slice blade of a plastic crusher falls between the claw blade and the flat blade. It is the most commonly used
type of plastic crusher.

It is mainly used for crushing ordinary plastic sheets, various PVC pipes, plastic sheets, packaging bags, plastic
bags, waste woven bags, large shackles, agricultural film, and other plastic products, as well as scrap materials.

The materials used for such blades include: 6Crw2Si, W18CR4V, 9CRSI, SKD-11, SHH, SK2, SK4, etc. High-quality alloy
raw material steel is processed through rough shaping, heat treatment, fine grinding, and more.

The blades are sharp, wear-resistant, have uniform hardness, and produce flat cuts. Plastic crushing machines are
designed with waterproof and dust treatment features, making them more durable than standard crushers.

The all-steel welded machine is rugged. The easy-to-disassemble design makes cleaning and maintenance simple.
Depending on the material, you can choose from different tools and screens with different hole sizes.

The machine offers low power consumption, high crushing efficiency, easy cleaning, and a large feed opening for quick
pulverization.

plastic crusher granulator claw blades knife

Claw Blade Plastic Granulators

The claw type blade plastic crusher is convenient, simple, and fast to use. The tool holder is optimized in design.

The claw type blade allows for force dispersion, which increases the shear force of each blade. It is suitable for
crushing materials that are hard, massive, or in the form of material heads, effectively improving the tool’s
cutting force and reducing tool wear.

It is mainly used for crushing various plastics and rubber materials, such as plastic profiles, sprues, runners,
rubber heads, rubber blocks, tubes, rods, wires, films, and waste rubber products.

plastic crusher granulator flat blades knife

Flat Blade Plastic Granulators

The flat blade plastic granulator and its配套 flat crusher are designed for efficient recycling and processing of waste
plastics.

The flat crusher adopts a flat blade wide structure, which is suitable for crushing large thin-walled and thin
materials such as boxes and bottles, significantly improving crushing efficiency.

The equipment is equipped with electronic safety design, a double-layer soundproof hopper, a motor overload
protection device, and a stable power supply chain support system to ensure safe operation, reduce noise, protect
the motor, and enhance equipment durability.

The flat blade plastic granulator is responsible for processing the crushed plastic into particles of uniform shape
and size. The entire process is efficient and environmentally friendly, making it ideal plastic recycling and
processing equipment.

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