DC-53 Single Shaft Shredder Blades / Shredder Knives / Rotor Knives

1. Overview

• Single-shaft shredder blades are the key part of single-shaft shredders.

• They cut and tear different kinds of waste materials.

• Uses: Crushing and recycling plastics, wood, rubber, cables, light metals, paper fibers, etc.

• Their performance affects the shredder’s work speed and output accuracy.

• Made of high-wear alloy steel (precision-machined) – balances durability and cutting stability.

2. Blade Materials: D2 and DC53 Alloys

2.1 D2 Alloy

• Good wear resistance (great for abrasive materials).

• Hardness: HRC 58-60.

• Stable structure and strong resistance to shear friction (good for continuous wear work).

• Less tough and more brittle than DC53 – easy to chip (especially when processing materials with impurities).

• Best for: Highly abrasive materials (e.g., hard plastic with fillers) if chipping risk is acceptable.

2.2 DC53 Alloy

• High hardness and toughness.

• Key advantages: Good impact resistance and balanced wear resistance (best for heavy, complex work).

• Toughness: About twice that of D2 – hard to chip or crack (safe for mixed/impure materials).

• Hardness: HRC 62-63 (higher than D2) – better wear resistance.

• Best for: Heavy continuous shredding (needs both toughness and wear resistance), e.g., mixed materials, PVC, rubber, tires, thick plastic sheets, light metals.

3. Blade Design Features

3.1 Overall Structure & Principle

• Blades are fixed to the blade holder (on the rotating main shaft) via a central hole.

• Works with the fixed blade (on the machine body) to cut materials efficiently (using the main shaft’s torque).

• Pros: Strong gripping ability, high cutting efficiency, easy to maintain.

3.2 Shape & Size

• Small size (35×35×25mm):

• High blade density, fine cutting.

• Suitable for soft materials (e.g., plastic films, woven bags).

• Output size: 20-25mm (for small/medium precision shredders).

• Standard size (40×40×25mm, 60×60mm):

• Balances efficiency and versatility.

• Handles solid blocks, waste cardboard, plastic bottles, rubber products.

• Output size: 25-40mm (for most regular single-shaft shredders).

• Large size (80×80×30mm):

• High strength, good impact resistance (uses D2/DC53 alloy).

• Processes large, hard materials (e.g., wood, tires, thick plastic sheets, metal cans).

• Output size: ≥50mm (needs high-power equipment).

3.3 Mounting Hole Design

• Central hole types: Convex and flat (fits different blade holder needs).

• Ensures blade stability during high-speed rotation and cutting (safe and stable operation).

• Some blades have inward-cutting edges (optimizes gap with fixed blade, improves cutting accuracy).

4. Precision Manufacturing Process

1. Blanking & Forging: Choose high-quality alloy steel blanks, cut and forge them. Improves internal structure, toughness and strength (prevents breakage).

2. Heat Treatment: Different processes for D2 and DC53.

1. DC53: Quenched to HRC 62-63 (maximizes toughness and wear resistance).

2. D2: Multi-step heat treatment to HRC 58-60 (enhances wear resistance).

3. Eliminates internal stress (balances hardness and toughness, prevents chipping).

3. Precision Machining: Use CNC machines, wire cutting and precision grinding. Ensures size accuracy, flatness and sharpness (good gap with blade holder/fixed blade, better cutting stability).

4. Quality Control: Full inspection for each batch (hardness, size accuracy, surface defects). Ensures consistency and reliability (meets industrial continuous operation needs).

5. Daily Maintenance

• Regularly clean material residue on the blade surface.

• Check for wear (extends blade life).

Key Terms

• Single shaft shredder blades

• Single shaft shredder knives

• 40x40 shredder blades

• dc-53 shredder blades

We manufacture premium Single Shaft Shredder Blades (Material: D2, DC53, SKD-11, Hardox) engineered for high-torque reduction of plastic, wood, rubber, and electronic waste. Our square rotary knives and counter blades feature precise CNC machining and advanced vacuum heat treatment (HRC 58-62) for maximum toughness and extended service life. Optimized for clean cutting and uniform particle size in all major industrial shredding systems.

English: Single Shaft Shredder Blades | Rotary Shredder Knives | Square Shredder Cutters

French (Français): Lames pour broyeur monorotor | Couteaux rotatifs pour broyeur | Lames carrées
Portuguese (Português): Lâminas para triturador de eixo único | Facas rotativas | Cortadores quadrados
Polish (Polski): Noże do rozdrabniaczy jednoałowych | Noże obrotowe | Noże kwadratowe do rębaka
Turkish (Türkçe): Tek Şaftlı Parçalayıcı Bıçakları | Döner Bıçaklar | Kare Parçalayıcı Kesiciler
Vietnamese (Tiếng Việt): Lưỡi dao máy nghiền một trục | Dao xoay máy hủy | Dao băm hình vuông
Thai (ภาษาไทย): ใบมีดเครื่องย่อยแบบแกนเดี่ยว | ใบมีดโรตารี่ | ใบมีดสี่เหลี่ยมสำหรับเครื่องย่อย
Filipino: Mga Blade ng Single Shaft Shredder | Mga Kutsilyong Rotary | Square na Cutter para sa Shredder
Arabic (العربية): شفرات مفرمة أحادية المحور | سكاكين دوارة | قواطع مربعة لآلات التقطيع
Hindi (हिन्दी): सिंगल शाफ्ट श्रेडर ब्लेड | रोटरी श्रेडर चाकू | स्क्वायर श्रेडर कटर
Indonesian (Bahasa Indonesia): Pisau Shredder Poros Tunggal | Pisau Rotari | Pemotong Kotak Mesin Penghancur
Malay (Bahasa Melayu): Bilah Pencincang Gandar Tunggal | Pisau Putar | Pemotong Segi Empat Shredder
Dutch (Nederlands): Enkelas versnippermessen | Roterende messen | Vierkante shreddermessen
Swedish (Svenska): Enaxliga flishuggsknivar | Roterande knivar | Fyrkantiga skärblad
Hungarian (Magyar): Egytengelyes aprítókések | Forgókések | Négyzet alakú aprítókések
Greek (Ελληνικά): Λεπίδες θρυμματιστή μονού άξονα | Περιστροφικά μαχαίρια | Τετράγωνα κοπτικά
Danish (Dansk): Enkeltakslet neddeler knive | Rotationsknive | Firkantede shredderknive
Norwegian (Norsk): Enakslet kvernkniver | Roterende kniver | Firkantede kuttere
Finnish (Suomi): Yksiakselisen murskaimen terät | Pyörivät terät | Neliöterät
Czech (Čeština): Nože do jednořídelového drtiče | Rotační nože | Čtvercové řezné segmenty
Romanian (Română): Cuțite tocător cu un singur ax | Cuțite rotative | Cutite pătrate tocător
Slovak (Slovenčina): Nože do jednohriadeľového drviča | Rotačné nože | Štvorcové sekacie nože
Bulgarian (Български): Ножове за едновалови шредери | Ротационни ножове | Квадратни резци
Croatian (Hrvatski): Noževi za jednoosovinsku drobilicu | Rotacijski noževi | Kvadratni noževi
Ukrainian (Українська): Ножі для одноосьового подрібнювача | Роторні ножі | Квадратні ножі
Azerbaijani (Azərbaycan dili): Birvvalı doğrayıcı bıçaqlar | Rotasiya bıçaqları | Kvadrat kəsici bıçaqlar
Bengali (বাংলা): সিঙ্গেল শ্যাফট শ্রেডার ব্লেড | রোটারি শ্রেডার ছুরি | স্কয়ার শ্রেডার কাটার
Tamil (தமிழ்): சிங்கிள் ஷாஃப্ট ஷிரெடர் பிளேடுகள் | ரோட்டри கத்திகள் | ஸ்கொயர் ஷிரெடர் கட்டர்கள்
Persian (فارسی): تیغه های خردکن تک شفت | چاقوهای روتاری | تیغه های مربعی خردکن
Hebrew (עברית): להבים למגרסה חד-צירית | סכינים סיבוביות | סכינים מרובעות למגרסה
Afrikaans: Enkelas-versnipperaar lemme | Roterende messe | Vierkantige snyers