Feature	Summary Specifications
Definition & Role	Holds hammers on the Cubit 120 rotor; secures 12 hammers (3 rows × 4) for stone impact against the anvils.
Material	Manganese steel (DIN 1.3401) or Ni-Hard 4 cast iron (DIN 0.9630); molybdenum-alloyed for wear resistance; approx. 200–300 kg.
Types	– Standard (for Cubit 120) – Molybdenum-alloyed (longer life for hard stones) – Custom (compatible with similar rotors)
Dimensions & Weight	– Rotor diameter: 800–1000 mm – Slots: 12 (each hammer ~63 kg) – Total weight: 500–700 kg (with hammers)
Performance & Capacity	– Rotor speed: 1000–1500 rpm – Feed capacity: 120 t/h (~50% crushing) – Service life: 1000–2000 hours (depending on stone)
Applications	– Sand and gravel mines (soft to medium stones) – Secondary crushing lines – Asphalt, cement, and concrete industries

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The Cubit 120 Hammer Magazine is a key rotor component in the Cubit 120 impact crusher. This steel magazine holds and secures 12 hammers in three rows of four, ensuring proper hammer alignment during high-speed rotor rotation (up to 1500 RPM), allowing efficient stone impact against the anvils for crushing.

Materials:

Manganese steel DIN 1.3401 for medium-hard stones
Ni-Hard 4 cast iron DIN 0.9630 for high-wear applications
Molybdenum-alloyed variants for enhanced thermal and impact resistance

Dimensions and Capacity:

Compatible rotor diameter: 800–1000 mm
Number of slots: 12
Hammer magazine weight: 200–300 kg
Rotor with hammers: 500–700 kg
Rotor speed: 1000–1500 RPM
Feed capacity: ~120 tons/hour
Crushing efficiency: ~50%
Service life: 1000–2000 hours (depending on stone type and operating conditions)

Hammer Magazine Types:

Type	Application	Advantages	Limitations
Standard	Medium-hard stones	Affordable	Moderate durability
Molybdenum	Hard or siliceous stones	High impact and wear resistance	Higher cost
Ni-Hard 4	Extreme wear	Long lifespan	Brittle under severe impact
Custom	Specific applications	Precise tolerances	Longer lead time

Key Features & Benefits:

High wear resistance: Durable under repeated impacts and continuous friction.
Precision slot design: Hammers fit tightly, increasing hammer life and uniform crushing.
Balanced at high speeds: Reduces rotor vibration, prolonging bearing life and reducing wear.
Stable performance on hard stones: Ni-Hard and molybdenum versions handle abrasive materials efficiently.
Improved crushing efficiency: Standard magazine ensures optimal hammer impact.
Long lifespan and easy maintenance: With proper hammer installation, provides consistent performance over extended periods.

Applications:

Sand and gravel mines for producing various particle sizes
Asphalt plants
Cement and concrete industries
Secondary crushing in crusher lines
Production of sub-base materials
Mineral processing plants with medium to hard materials

Pricing Factors:

Alloy type
Final magazine weight
Heat treatment quality
Machining precision
Final balancing
Manufacturer and delivery lead time

Ni-Hard or molybdenum-alloyed magazines usually have a higher upfront cost but are more economical over time due to longer service life and reduced downtime.

Purchase & Supplier Considerations:
The hammer magazine must be manufactured precisely to rotor standards to ensure correct hammer placement and vibration-free operation. Reliable suppliers use precise casting, multi-stage quality control, standard heat treatment, and rotor balance testing to ensure optimal performance and longevity.

FAQ:

Function: Holds hammers in place and ensures uniform impact for crushing stones.
Best material: Ni-Hard or molybdenum for hard stones; manganese steel for ordinary stones.
Expected lifespan: 1000–2000 hours, depending on stone type, hammer, and rotor setup.
Signs of wear: Loose hammers, rotor vibration, slot edge wear, or minor cracks.