HGM80 Ultra-Fine Grinding Mill
Why the HGM80 Ultra-Fine Grinding Mill Stands Out
As mineral processing demands grow sharper, the difference between a profitable plant and a struggling one often comes down to grinding efficiency. The HGM80 ultra-fine grinding mill from Baichy Heavy Industry is engineered to turn raw minerals into market-ready micro powder — from 200 mesh down to 3000 mesh — at a steady throughput of 0.5–4.5 t/h.
Whether you process limestone, calcite, barite, talc, gypsum, kaolin, dolomite, or other non-metallic minerals, the HGM80 delivers a decisive combination: finer output, lower energy cost, and simplified maintenance. This article breaks down its working principle, technical parameters, applications, and how it compares with alternative grinding equipment — so you can decide with confidence.
What Is the HGM80 Ultra-Fine Grinding Mill?
The HGM80 is a medium-sized model in Baichy's HGM series of micro powder grinding mills, designed for small to medium production lines. It uses a high-pressure spring-loaded grinding roller system that pulverizes material into ultra-fine powder with high efficiency.
Core Design Philosophy
- Fineness first: Adjustable discharge fineness between 0.033 mm and 0.074 mm (200–3000 mesh).
- Energy conscious: The whole-system optimized transmission lowers unit power consumption compared to traditional ball mills.
- Compact footprint: Requires less floor space, simplifying plant layout and installation.
Typical Feed Requirements
- Max feed size: ≤ 20 mm
- Feed moisture: ≤ 6% (dry material recommended)
- Mohs hardness: ≤ 7
- Suitable materials: non-flammable and non-explosive minerals
How the HGM80 Ultra-Fine Grinding Mill Works
Understanding the working principle helps operators maximize output and minimize wear. The HGM80 follows a closed-loop grinding and classifying process.

Schematic diagram of the HGM micro-powder grinding process
The Five-Step Grinding Process
1. Feeding: Material enters the main grinding chamber through a vibrating feeder.
2. Grinding: The grinding roller rotates around the ring under centrifugal force, crushing material between the roller and the grinding ring.
3. Classifying: A high-speed classifier sorts particles; those meeting fineness are discharged, oversize particles are returned for re-grinding.
4. Collecting: Fine powder is carried by airflow to the cyclone collector and bag dust collector.
5. Sealing: A negative-pressure system prevents dust leakage, keeping the workshop clean and safe.
Key Components
- Main unit with grinding roller & ring
- High-efficiency classifier
- Cyclone collector & pulse bag dust collector
- Blower system
- Jaw crusher & bucket elevator (for pre-crushing oversized feed)
- Electrical control cabinet
HGM80 Ultra-Fine Grinding Mill Technical Parameters
The table below summarizes the key specifications of the HGM80 model. These figures are typical values; always confirm the final configuration with the manufacturer based on your material.
| Model | HGM80 |
|---|---|
| Feed Size | ≤20 mm |
| Finished Fineness | 200–3000 mesh (0.033–0.074 mm) |
| Capacity | 0.5–4.5 t/h |
| Main Unit Power | 75 kW |
| Classifier Power | 11 kW |
| Blower Power | 55 kW |
| Number of Grinding Rollers | 21 |
| Grinding Ring Diameter | 800 mm |
| Material Hardness (Mohs) | ≤7 |
| Moisture Content | ≤6% |
| Discharge Method | Cyclone + Pulse Bag Collector |
Note: Capacity and fineness vary with material hardness and feed moisture. For your specific ore, request a free test from Baichy's engineers.*
Main Applications of the HGM80 Ultra-Fine Grinding Mill
The HGM80 serves a wide range of industries where ultra-fine powder quality directly affects end-product value.
Non-Metallic Mineral Processing
- Calcite & limestone: for paper, coatings, plastics fillers.
- Barite: for oil drilling mud and chemical additives.
- Talc & kaolin: for cosmetics, ceramics, and rubber.
- Gypsum & dolomite: for construction materials and glass.
Chemical & Industrial Materials
- Bentonite, wollastonite, diatomite, fly ash, and various chemical raw materials.
HGM80 vs. Ball Mill vs. Raymond Mill: Which Is Right for You?
Choosing the wrong mill is a costly mistake. Here is a practical comparison based on production reality.
HGM80 Ultra-Fine Grinding Mill vs. Ball Mill
- Fineness: HGM80 reaches 2000–3000 mesh easily; ball mills typically cap around 400 mesh.
- Energy consumption: HGM80 saves 30–40% power per ton of output.
- Footprint: Ball mill lines require more ancillary equipment and space.
HGM80 vs. Raymond Mill
- Fineness ceiling: Raymond mills usually produce 100–600 mesh; the HGM80 goes far finer.
- Output stability: The closed-loop classifier in HGM80 ensures more uniform particle size distribution.
When the HGM80 Is the Best Choice
Choose the HGM80 when your product requires superfine particle size, consistent quality, and lower operating cost at a small-to-medium capacity. If you only need coarse powder (under 100 mesh) at very high tonnage, a ball mill may still be considered — but for micro-powder economics, the HGM series wins.

HGM80 Ultra-Fine Grinding Mill
Operational & Maintenance Tips to Maximize HGM80 Lifespan
- Monitor feed size: Oversized lumps accelerate roller and ring wear.
- Control moisture: Wet feed causes clogging and lower classification efficiency.
- Check the classifier regularly: Uneven wear leads to inconsistent fineness.
- Lubricate per schedule: Follow the manufacturer's lubrication chart.
- Inspect the dust collector: A clean filter bag protects both product quality and workshop air.
Why Choose Baichy Heavy Industry as Your HGM Grinding Mill Manufacturer?
Baichy Heavy Industry is a professional manufacturer of crushing, grinding, and mineral-processing equipment, exporting to over 120 countries.
What You Get with Baichy
- Engineered to your ore: Free material testing and customized configuration.
- Complete solution: Crusher + elevator + mill + collector as a turnkey line.
- Global service: Installation guidance, operator training, and after-sales support.
- Proven reliability: Thousands of mills running in real production sites worldwide.
FAQ
1. What fineness can the HGM80 ultra-fine grinding mill achieve?
The HGM80 adjusts discharge fineness from 200 mesh to 3000 mesh (0.033–0.074 mm), depending on the classifier speed and material properties.
2. What is the capacity range of the HGM80?
Typical capacity is 0.5–4.5 t/h. Actual throughput depends on feed hardness, moisture, and target fineness.
3. What materials can the HGM80 process?
It processes non-flammable, non-explosive minerals with Mohs hardness ≤ 7, including calcite, barite, talc, kaolin, limestone, gypsum, dolomite, and more.
4. Does Baichy provide installation and training?
Yes. Baichy offers installation guidance, commissioning support, and operator training to ensure smooth startup and stable production.
5. How much energy does the HGM80 save compared to a ball mill?
The HGM80 typically reduces energy consumption by 30–40% per ton of ultra-fine powder output, thanks to its optimized transmission and closed-loop classification.

Baichy Heavy Industry
Baichy Heavy Industry is a high-tech mining equipment company integrating R&D, manufacturing, sales, and after-sales service. Focusing on crushing, grinding, and mineral processing equipment, we provide professional solutions to our customers. We are ISO9001:2015 、certified, and our products include mobile crushing palnts, crawler crushing plant, construction waste crushing plants, jaw crushers, sand making machines, cone crushers, fine crushers, grinding mills, ball mills, etc., all with reliable performance to meet diverse project needs.
Baichy Heavy Industry – Your Trusted Partner
To ensure optimal performance of your equipment, Baichy Heavy Industry offers:
- Professional on-site installation guidance
- Comprehensive operator training
- 24/7 technical support & maintenance services
Our complete after-sales service system guarantees long-term, stable operation of your machinery with minimal downtime.
Protect Your Rights – Only Use Official Channels
To avoid scams and ensure authentic support, contact us exclusively through:
• Official Website: www.baichychina.com
• WhatsApp: +8615093222637
• Email: [email protected]
Your satisfaction is our priority – expect prompt, professional service every time.
(Note: Beware of unauthorized third parties claiming to represent Baichy. Always verify through official contacts.)

