Understanding Slow Speed Crusher / Edge Plastic Shredder

Slow Crusher / Beside-the-Machine Granulator Blades

Product Introduction

Slow crusher blades, also called beside-the-machine granulator blades, are core wearing parts for low-speed plastic recycling machines mounted next to injection molding machines. They cut and shear leftover plastic at low rotating speed, crushing sprues, runners and defective plastic scraps to recycle materials right on site.

In Action: How an Edge Plastic Shredder Processes Sprues and Runners

Blade Types & Structures

Pineapple Blade

Claw Blade / Hook Blade

Fixed Blade

Main Blade Materials

SKD11 / Cr12MoV

D2

DC53

DC53 is improved cold work die steel, much tougher than SKD11 while keeping hardness at HRC 60–62. It resists wear well and holds cutting edge firmly, not easy to chip or crack under frequent impact. DC53 blades work best on abrasive plastic, glass fiber filled materials and rigid scraps, cutting down sharpening frequency and extending service time.

Key Features

• Low rotating speed and low noise, fit to install beside injection machines in production workshop

• Less fine powder, uniform pellets can be reused directly in production

• High hardness and good wear resistance for longer service span

• Multi-edge design allows flip and regrind for secondary usage

• Simple structure, convenient to take apart, install and maintain

Application Scope