A Primary Impact Crusher is a heavy-duty machine used in the first stage of crushing (primêre verplettering) to break large rocks, ertse, or other hard materials into smaller, meer hanteerbare stukke. Unlike jaw crushers, which use compression force, impact crushers utilize high-speed impact to fracture materials.

Key Features of Primary Impact Crushers:
1. High Reduction Ratio – Capable of reducing large feed sizes (tot 1-2 meter) into smaller fragments in a single pass.
2. Horizontal Shaft Design – Uses rotating hammers or blow bars to strike and throw material against breaker plates.
3. Versatility – Can handle soft to medium-hard rocks (kalksteen, gips, steenkool) and some abrasive materials.
4. Adjustable Output Size – The gap between the rotor and impact aprons can be adjusted to control product size.
5. High Throughput Capacity – Suitable for high-production quarrying, mynbou, en herwinningstoepassings.

Advantages Over Other Primary Crushers:
- Better cubical-shaped end product compared to jaw crushers.
- Higher reduction ratio in a single stage.
- Effective for softer materials where compression crushers may generate excessive fines.

Algemene toepassings:
- Steengroef & Aggregates (kalksteen, gruis)
- Sement industrie (crushing raw materials)
- Herwinning (beton, asfalt sloping afval)
- Mynbou (primary reduction of ore)

Gewilde modelle & Vervaardigers:
- NP Series
- CI Series
- Hazemag AP-PH Series
- Kleemann MR 110/130 EVO

Considerations When Choosing a Primary Impact Crusher:
✔ Feed size & materiaal hardheid
✔ Desired output size & production capacity
✔ Maintenance requirements (wear parts like blow bars)
✔ Energy efficiency & operating costs

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