Grinding Machine

At Beowolf Mining, we supply high-quality pneumatic and electric button bit grinders designed to meet the demanding requirements of the mining and drilling industries. Our grinders are selected for precision, reliability and durability, helping customers maintain optimal bit performance and reduce downtime.

Pneumatic Robot Arm Button Bits Grinder

MRPG100
Rotation Speed 20,000 RPM
Motor Power 1.5 kW
Working Air Pressure 7 Bar (100 psi)
Air Consumption 3 m³/min (106 ft³/min)
Max. Water Pressure 4 Bar (60 psi)
Air Hose Diameter 19 mm
Water Hose Diameter 6 mm
Weight excl. package 410 kg
Weight incl. package 500 kg
Transport Dimensions 1200 × 1200 × 1850 mm
Sound Level 92 dB(A)

Bit Holder Capacity

  • Clamping by air cylinders – Bit skirt/shank diameter max. 180 mm
  • Clamping by bearing ring with screw bolts – Customizable for oversized bits

Electric Button Bits Grinder

MRG100
Working Capacity Light – Medium Duty
Max. Spindle Speed 24,000 rpm
Electric Power Data Single phase 220V–240V 50/60Hz 16A
Working Air Pressure 5–7 bar (100 psi)
Air Consumption <0.03 m³/min (<1 cfm)
Rated Power (Motor) 3.2 kW
Water Hose Connection 6 mm
Coolant / Flushing Medium Water
Weight excl. Package 540 kg
Weight incl. Package 600 kg
Grinder Dimensions 1200 × 1130 × 1780 mm
Transport Dimensions 1220 × 1220 × 1900 mm
Sound Level 86 dB(A)

Bit Holder Capacity

  • Clamping by air cylinders – Bit skirt/shank diameter max. 180 mm
  • Clamping by bearing ring with screw bolts – Customizable for oversized bits

Grinding Cups

We supply grinding cups for button bits, designed as an efficient tool for re-sharpening worn buttons and extending their service life.

Guide of Product Code

Example: G08K-07-66

G08

G08: Grinding Cups

K

C: CME

K: King

A: Atlas

S: Sandvik

07

07: Button size 7mm

08: Button size 8mm

09: Button size 9mm

66

66: Spherical

65: Ballistic

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