In the manufacturing and plastic recycling industries of plastic profiles, sheets and pallets, wide rigid plastic products including plastic sheets, thick-walled pipes, plastic door & window profiles and plastic pallets have long been a tough challenge for waste treatment. Many enterprises choose ordinary general-purpose grinders for large plastic sheets for convenience, only to encounter a host of troublesome problems after commissioning. This explains why dedicated board crushers are highly recommended for large plastic sheets instead of ordinary grinders.
Why Must We Choose a Dedicated Board Crusher for Large Plastic Sheets?
General grinders are originally designed for small sprues and tiny plastic scraps. Their feed opening width, rotor shearing structure, main shaft load and bearing protection are not reinforced for wide large sheets, leading to many drawbacks when processing oversized plastic boards:
Limited feed width requiring pre-cutting and extra process cost
General grinders feature narrow feed inlets which cannot take whole wide sheets. Workers have to cut large boards into small sections in advance with saws or shears, resulting in high labor cost, long working hours and cutting safety risks. The board crusher is built with a wide large feed opening, allowing whole sheets to be fed directly without pre-cutting.
Mismatched shearing structure causes slipping, jamming and blockage easily
Large sheets are rigid and wide with force applied across the whole surface during feeding. The cutter set of ordinary grinders has a small bite angle and poor grabbing capacity. Sheets tend to slip on top of the rotor and fail to be pulled in, causing frequent blockages and shutdown for material clearing, which severely disrupts production. The cutter frame of the dedicated board crusher is specially arranged for long and wide sheets with strong grabbing and biting force to pull sheets steadily for continuous, smooth operation.
Unbalanced load leads to heavy vibration and surging failure rate
Cutting large sheets brings heavy instantaneous load. Without reinforced main shaft and frame, ordinary grinders suffer concentrated impact force, violent shaking, loose anchor bolts, deformed shafts and cracked welds after long-term operation. The board crusher adopts thickened and reinforced frame and mechanically optimized rotor structure for stable running under shearing impact.
Poor dust protection leads to rapid main bearing damage
Massive fine plastic dust is generated continuously during sheet crushing. Most bearings of general grinders only have simple dust-proof structures. Dust easily invades the bearing cavity, causing abrasion, oil loss and seizure, requiring frequent replacement of bearing parts. The TLG board crusher adopts graded dust-proof bearing solutions. Large models are equipped with external independent bearing seats to separate bearings from the crushing chamber, blocking dust fundamentally to suit long-hour continuous sheet crushing.
Uncontrollable output with excessive fines and long strips reduces waste value greatly
Sheets include solid thick-wall type and hollow thin-wall type. Ordinary grinders with fixed single cutter type can hardly handle both: thick sheets are crushed unevenly while thin sheets turn into excessive powder. High powder content causes foaming and impurities in downstream pelletizing and depresses the purchasing price of regrind. The board crusher supports switchable cutter frames matched separately for thick and thin materials to precisely control flake size, reduce useless fines and guarantee good flake quality.
In short: general grinders are suitable for small plastic pieces. Wide large plastic sheets belong to special-condition materials requiring exclusive design for feeding, grabbing, impact resistance and dust prevention. The board crusher is developed to solve all these pain points.
1. Core Selling Points of Tyrone TLG Series Board Crusher
Modular Custom Cutter Frame, Precisely Adapted for Thin & Thick Materials with Controllable Crushing Effect
Sheet materials vary greatly: solid thick sheets feature high hardness and large cutting resistance; hollow thin sheets and plastic pallets are brittle and prone to over-crushing with excessive powder. TLG series board crusher is not equipped with fixed single cutter frame, and multiple cutter structures are optional according to customer’s materials:
- Solution for thick-wall materials: Slice cutter frame (trapezoidal / V-shaped arrangement)
Slice cutters feature high strength and great impact resistance. Trapezoidal and V-shaped layout realizes continuous stable shearing with firm bite. When processing thick sheets, solid profiles and thick pipes, concentrated shearing force ensures steady feeding without slipping. Large thick materials are pulled into the crushing chamber smoothly to lower jamming risk and reduce machine vibration.
- Solution for thin-wall materials: Hollow flat cutter frame / V-shaped cutter frame
For hollow thin-wall materials such as hollow sheets, thin thermoformed sheets and plastic pallets, optimized cutting clearance delivers gentle shearing. It finishes crushing while minimizing over-grinding and powder ratio to maintain good flake quality, preventing value depreciation caused by excessive fines and facilitating subsequent pelletizing.
Fixed cutters are firmly installed and rotary cutters are heat-treated for high wear resistance. The cutting clearance can be fine-tuned to keep consistent output size after long-time operation.
Graded Dust-proof Bearing Protection System with Model-wise Structural Upgrade for Long Service Life of Core Rotating Parts
Dust is the biggest threat to crusher bearings. Fine powder generated during sheet crushing accelerates abrasion, causes lubrication failure and shortens main shaft service life once it continuously enters bearings. TLG series adopts progressively upgraded bearing housing configured by model specifications for targeted dust prevention:
Models TLG8146 and below: Pillow block bearings
Compact configuration with simple structure and basic dust protection. Suitable for medium & small-capacity production lines with relatively controllable dust, easy maintenance and high cost performance.
Models TLG1065 and above: Independent gland bearing housings
Upgraded sealed gland structure adds an extra dust barrier to block most dust from entering bearing cavity, suitable for long-hour continuous production and high daily throughput.
Models TLG1265 and above: Split housing + external independent bearing seats
Large models adopt split openable housing. Bearing seats are arranged outside the main housing and completely separated from the crushing chamber. Dust inside the crushing chamber can hardly reach bearings to fundamentally prevent powder intrusion. Meanwhile, the split housing can be opened easily for convenient inspection and cleaning of cutter frame and screen mesh, greatly cutting maintenance time.
The whole dust-proof structure effectively reduces bearing failure probability, extends machine service life and cuts unplanned downtime.
Rich Optional Auxiliary Equipment, Integratable into Complete Recycling Lines, Non-standard Customization Supported
Sheet crushing seldom works alone. Many factories require integrated automatic workflow including feeding, dedusting, impurity removal and screening. TLG board crusher boasts strong expandability and compatibility:
Optional accessories: feeding conveyor, on-line recycling system, dust collection system for recycling, metal separator, powder screening system and more.
Feeding conveyor: replaces manual feeding for safety and labor saving, suitable for continuous automatic feeding of long sheets;
Dust collection system: collects crushing dust, improves workshop environment and meets environmental emission standards;
Metal separator: removes iron nails and metal fittings mixed in waste sheets in advance to protect cutters from hard object damage;
Powder screening system: separates qualified flakes from ultra-fine powder to improve raw material quality.
We also support non-standard customization: widened feed opening, adjustable rotation speed, special cutter sets and overall dimension modification can be customized according to workshop space, material specification and capacity target to match exclusive production layout, not limited to standard models.
Full-capacity Model Portfolio with Standard Parameters for Flexible Selection
The TLG series covers capacity from medium-small to large recycling lines with complete model lineup for different processing scales. Parameters as follows:
| Model | Rotor Dia.(mm) | Capacity(kg/h) | Fixed Cutters | Rotary Cutters | Power HP/KW | RPM | Feed Opening(mm) | Screen Hole(mm) | Overall Size(mm) | Weight(kg) |
|---|---|---|---|---|---|---|---|---|---|---|
| TLG8146 | φ355 | 300-800 | 4 | 24/6 | 40HP / 30KW | 500 | 780×160 | 14 | 1600×1420×1700 | 1850 |
| TLG8256 | φ420 | 400-900 | 4 | 24/6 | 50HP / 37KW | 500 | 800×190 | 14 | 1650×1510×1730 | 2200 |
| TLG1065 | φ485 | 600-1300 | 4 | 30/12 | 60HP / 45KW | 480 | 1000×280 | 14 | 1700×1730×1800 | 2800 |
| TLG1265 | φ560 | 750-1500 | 4 | 18/6 | 75HP / 55KW | 460 | 1220×250 | 16 | 2320×2150×1900 | 3300 |
| TLG1283 | φ720 | 1000-2000 | 4 | 18/6 | 100HP / 75KW | 460 | 1220×350 | 16 | 2750×2150×2150 | 5500 |
Note: Actual crushing capacity fluctuates with sheet material, thickness, screen aperture and material cleanliness. Screens with different apertures are interchangeable to freely control flake size for downstream pelletizing and blending.
2. Value of Crushed Plastic Sheets
Waste plastic sheets which are bulky, space-consuming and costly for transportation are sheared into uniform plastic flakes by Tyrone TLG board crusher. Both economic and environmental value of waste materials are unlocked:
Great volume reduction to cut storage and logistics cost
Whole sheets have large gaps and loose stacking, occupying huge space for the same weight. After crushing, materials become compact with over 70% volume reduction, greatly improving warehouse capacity. Higher loading quantity per truck during outbound transportation directly saves freight and warehouse rent.
Qualified recycled raw materials returning to production
Uniform crushed flakes are premium feedstock for extrusion pelletizing. After washing and pelletizing, recycled plastic pellets can be reproduced into plastic sheets, pallets, pipes and profiles. It forms a closed loop: waste sheets → crushed flakes → recycled pellets → new plastic products. It helps profile and pallet factories consume self-produced offcuts for internal reuse and reduce virgin material purchase.
Higher waste premium to boost enterprise profit
In the recycling industry, clean, uniform flakes with low powder content command a much higher price than bulk mixed waste. Controlled crushing by dedicated board crushers minimizes fines and long strips for stable flake quality, bringing stronger bargaining power when selling waste and turning low-value scraps into steady revenue.
Compliant with environmental policies and lower carbon emission
Random stockpiling or landfilling of waste plastic causes long-term soil pollution while incineration generates exhaust pollutants. Recycling waste sheets to replace virgin plastic cuts carbon footprint, as virgin plastic production consumes massive energy and produces heavy carbon emissions. Recycling helps enterprises meet green production targets, conform to circular economy requirements and avoid risks of non-compliant solid waste disposal.
Compatible with automatic production lines for easy conveying and processing
Small flakes can be stably conveyed by pneumatic or screw conveyors for automatic pipelines. Large sheets cannot be fed automatically and require manual handling. Crushed flakes are easier to connect to automatic recycling lines and reduce labor dependence.
3. Applicable Materials & Industries
✅ Applicable Materials: PP/PE plastic pallets, PVC/PP/PC plastic sheets, thick-walled plastic pipes, hollow sheets, plastic door & window profiles, wide rigid plastic extrusion offcuts and all kinds of wide rigid plastic products.
✅ Target Customers: Plastic sheet & profile manufacturers, plastic pallet factories, recycling enterprises, packaging plastic recycling processors, plastic door & window manufacturers.
4. About Tyrone
Tyrone Environmental focuses on R&D and manufacturing of mid-to-high-end plastic crushing and shredding recycling equipment with multiple patents, supplying customized recycling solutions to 56 countries worldwide. The TLG board crusher is a dedicated model optimized for wide sheet materials. Different from general grinders, it targets sheet crushing working conditions with balanced stable capacity, durability, output quality and expandability.
From standalone crusher to full automatic recycling production lines, Tyrone can provide model selection advice and solution design according to your materials, workshop layout and capacity goals, helping enterprises realize efficient resource utilization of waste plastic sheets and reconstruct waste value.
