Coarse Crushing & Pre-Treatment Equipment
Coarse Crusher for Stable Primary Size Reduction
Yinda Machinery coarse crushers reduce medium-hard solids, blocks, roots, fibers and bulk materials into controlled 0.5-20 mm particles before fine grinding, screening, mixing or downstream processing.
- Output Range
- 0.5-20mm
- Capacity Range
- 50-800kg/h
- Feed Size
- <100mm
- Material
- SS304/316L
Typical Applications
Herbs, spices, roots, food ingredients, chemical blocks, plastic, grains, minerals and fibrous materials.
Pre-crushing Before Fine Milling
Reduces oversized material load and improves feeding consistency for hammer mills, pin mills, air classifier mills and other fine grinding systems.
Controlled Particle Size
Internal screens help control discharge size and support stable downstream particle distribution.
Food & Pharma Friendly
SS304 or SS316L contact parts, cleanable structure and optional polished surfaces for food, pharmaceutical and chemical projects.
Dust-Control Options
Available with cyclone, bag filter or dust collector configurations to reduce airborne powder and support cleaner production areas.
Equipment Positioning
Primary crushing that protects the efficiency of the whole powder line
A coarse crusher is normally installed before fine pulverizing. It breaks larger raw materials into smaller, more uniform pieces so that the next grinding stage can run with lower load, fewer blockages and better final particle stability.
The machine works through compression and shearing generated by fixed and moving crushing components. Centrifugal force assists discharge, while screen selection helps adjust the final output range.
For difficult raw materials
Suitable for many materials affected by hardness, viscosity, fiber content, block shape or inconsistent feeding size.
For stable production
Helps reduce downstream overload, improve throughput and protect fine grinding equipment.
Configuration Options
Three coarse crusher designs for different plant layouts and dust-control requirements
Yinda Machinery can configure the machine structure, feeding method, discharge height, material contact parts and dust collection system according to your material and production environment.
Horizontal Type
A compact and commonly used structure for primary crushing, easy installation, feeding and maintenance in general powder processing lines.
- Simple mechanical layout
- Convenient screen replacement
- Suitable for pre-crushing before milling
Vertical Design
Designed for projects that require vertical feeding and discharge connection, compact footprint or specific upstream and downstream interfaces.
- Space-conscious arrangement
- Flexible inlet and outlet matching
- Good integration with transfer systems
With Dust Collector
A dust-control configuration for powdery or dusty materials, helping improve the operating environment and reduce material loss.
- Cleaner production area
- Operator health protection
- Can connect cyclone or filter systems
Models & Specifications
YDCS coarse crusher series for small, medium and industrial production
Final selection should be confirmed according to material name, feed size, moisture, hardness, fiber content, target output size, expected capacity and downstream equipment.
| Model | Capacity Range | Typical Feed Size | Output Range | Contact Material | Typical Use |
|---|---|---|---|---|---|
| YDCS-100 | 50-60 kg/hr | <80 mm | 0.5-20 mm | SS304 / SS316L | Lab, pilot and small batch production |
| YDCS-200 | Project configured | <80 mm | 0.5-20 mm | SS304 / SS316L | Small to medium production lines |
| YDCS-300 | Project configured | <80 mm or <100 mm | 0.5-20 mm | SS304 / SS316L | Food, spice, herb and chemical pre-crushing |
| YDCS-400 | Project configured | <100 mm | 0.5-20 mm | SS304 / SS316L | Industrial powder processing systems |
| YDCS-600 | Project configured | <100 mm | 0.5-20 mm | SS304 / SS316L | High-capacity preparation before fine grinding |
| YDCS-800 | 600-800 kg/hr | <100 mm | 0.5-20 mm | SS304 / SS316L | Large-scale continuous production support |
Capacity varies with material hardness, moisture, fiber content, feed size, screen opening, motor power and feeding method. Yinda recommends confirming model selection by material evaluation or run-testing.
Compression & Shearing
Fixed and moving crushing parts create pressure and cutting action to reduce bulk material size.
Screen-Controlled Discharge
Internal filter screens help define output size and protect downstream process stability.
Smooth Discharge
Centrifugal force supports material discharge and helps reduce accumulation inside the crushing chamber.
Easy Cleaning
Simple structure supports routine inspection, cleaning, screen replacement and maintenance.
Technical Features
Built for practical operation, cleaning and long-term service
Yinda coarse crushers are designed for reliable pre-treatment rather than unnecessary complexity. The machine can be matched with dust collection, feeding equipment, conveyors, fine mills and screening equipment.
- High-quality stainless steel construction with SS304 or SS316L contact parts available.
- Output size can be adjusted by screen selection according to target process requirements.
- Compact installation and practical maintenance design reduce daily operation burden.
- Optional dust collector supports cleaner production and operator protection.
Applications
Suitable for pre-processing many powder and particle materials
The same material name can behave differently due to moisture, oil, fiber, hardness, viscosity and temperature sensitivity. Yinda evaluates the actual material before confirming the final machine configuration.
Herbs & Botanicals
Roots, stems, tea leaves, plant fibers and traditional medicine materials before fine milling.
Food & Spices
Dehydrated vegetables, spices, grains, sugar blocks and food ingredients requiring size reduction.
Chemical & Plastic
Chemical blocks, resins, plastic pieces and industrial raw materials requiring controlled pre-crushing.
Minerals & Agriculture
Mineral pieces, feed ingredients, agricultural products and other bulk solid materials.
Performance Guidance
How to keep coarse crushing stable
Proper feeding, discharge design and speed control are essential for balancing capacity, energy consumption and material quality.
1. Keep feeding controlled
For many materials, filling around 60% of the available chamber volume helps maintain efficient crushing while avoiding overload and unstable discharge.
2. Confirm discharge area and screen opening
The discharge area directly affects output speed, retained material, power consumption and temperature rise. Screen selection should match the next process.
3. Use the recommended rotation speed
The correct speed helps balance crushing efficiency, motor load, wear rate and protection of the material's original physical characteristics.
Material Testing & Support
From material evaluation to run-testing and after-sales support
Yinda does not recommend coarse crushers only by model number. Our engineers review material properties, production targets and plant requirements before proposing the equipment structure and configuration.
- 1
Submit material and process data
Material name, feed size, target output size, capacity, moisture, fiber, viscosity, hardness and downstream process.
- 2
Engineering evaluation
Yinda checks whether pre-crushing, dust collection, special material contact parts or feeding control are needed.
- 3
Run-testing when required
Material tests can verify output size, discharge behavior, capacity estimate, dust level and cleaning difficulty.
- 4
Manufacturing, delivery and training
Yinda supports equipment manufacturing, inspection, installation guidance, operator training, spare parts and maintenance.
Why Choose Yinda
A practical powder equipment partner, not only a machine supplier
Application-Based Selection
We start from your material, target size, capacity and downstream process before selecting the right coarse crusher model.
Manufacturing Experience
Yinda has long-term experience in powder processing equipment design and manufacturing for food, pharmaceutical and chemical customers.
Configurable Construction
SS304, SS316L, polished surfaces, dust collection, inlet and outlet sizes, electrical voltage and control options can be configured by project.
Factory Inspection
Equipment can be assembled, checked and run-tested before delivery according to the agreed technical scope.
Line Integration Support
The coarse crusher can be integrated with feeding, conveying, fine grinding, screening, dust collection and packaging interfaces.
After-Sales Service
Installation guidance, operation training, spare parts, maintenance suggestions and technical support are available after delivery.
Process Integration
Common coarse crushing production flows
Coarse crushing is often the first controlled size-reduction step in a complete powder processing system.
Food and Spice Powder Line
Feeding → Coarse Crushing → Fine Grinding → Cyclone Collection → Dust Control → Screening → Mixing → Packaging
Herb and Botanical Pre-Treatment
Manual or Controlled Feeding → Coarse Crushing → Hammer Milling or Pin Milling → Screening → Storage
Chemical Powder Processing
Bulk Material Feeding → Coarse Crushing → Fine Milling → Dust Collection → Classification or Screening → Packing
Technical Confirmation
Information needed for accurate coarse crusher selection
To recommend the correct model and configuration, please prepare the following information. Photos or videos of the raw material are helpful.
FAQ
Common questions about coarse crushers
Can one coarse crusher handle different materials?
Yes, but actual performance depends on hardness, moisture, viscosity, fiber content and feed size. Different screens or operating settings may be needed for different materials.
Is the machine suitable for pharmaceutical or food applications?
SS304 or SS316L contact parts, cleanable structure and optional surface polishing can be configured for food and pharmaceutical projects. Documentation requirements should be confirmed before order.
How is the final particle size controlled?
The discharge size is mainly affected by screen opening, material characteristics, feeding rate and machine speed. Yinda can help confirm suitable screen configuration.
When should a dust collector be added?
A dust collector is recommended when the material creates airborne dust, when operator exposure must be reduced, or when production requires a cleaner working environment.
Get a Technical Proposal
Tell us your material. We will help select the right coarse crusher.
Send material information, target particle size, capacity and plant requirements. Yinda Machinery can provide model recommendation, configuration advice, run-testing support and a complete powder line proposal.
Fast Inquiry Checklist
Include these details to receive a more accurate recommendation.
- Material name
- Current feed size
- Target output size
- Required capacity
- Moisture or oil content
- Dust-control need
- Preferred material
- Voltage and frequency
Need a complete line?
Yinda can combine coarse crusher, fine mill, vibrating sieve, cyclone separator, dust collector, mixer, conveyor and packaging interface into one coordinated solution.