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ROCKY8

Product catalog summary

Overview: The EVERDIGM Rocky 8 hammer is a versatile tool designed for a wide range of air pressures, from 87 to 435 psi (6-30 bar). It features a simplified design with fewer parts, facilitating easy maintenance and servicing. The recommended drilling diameters range from 202 to 254 mm (8-10 inches).

Features:

Upper Chamber: Optimized for maximum hammer stroke and high impact power.
Piston Design: Includes a lubricate groove to reduce frictional heat and improve reliability, with a robust and simple design for enhanced strength and performance.
Down Chamber: Efficient chamber volumes and cycle timing for optimized performance.
Chuck: Uses intermediate frequency induction heating for extra protection against wear and fatigue.
Bit: Made from quality forged material for outstanding performance and durability.

Technical Specifications:

Shank: DHD380, QL80, SD8
Backhead Thread: 4 1/2 A.P.I. 5N PIN
Outside Diameter: 182 mm (7.17 inches)
Length: 1312 mm (51.65 inches)
Piston Weight: 54.96 kg (121.17 lb)
Total Weight Approx: 192.28 kg (423.9 lb)
Working Pressure: 87-435 psi (6-30 bar)
Bit Size: 202-254 mm (8-10 inches)

Parts List: Includes components such as wear sleeve, back head, O-rings, disc spring, check valve, coil spring, air distributor, cylinder, piston, and chuck. Specific part numbers are provided for different shank types (QL80, SD8, DHD380).

Air Consumption: Varies with pressure, ranging from 366 CFM (10.4 m3/min) at 100 psi to 1750 CFM (49.6 m3/min) at 450 psi.

Bits: The document lists various bit sizes and configurations, including concave and front designs, with specific dimensions and part numbers.

Catalog excerpts

EVERDIGm ROCKY 8 EVERDIGM Rocky 8 hammer is a general purpose hammer suitable at wide range of air pressures. The hammer has few parts than other hammer allowing an easy maintenance and servicing. Operation is suitable at air pressure of 87-435 psi (6-30 bar). Recommended Drilling diameters is 202-254mm (8-10"). FEATURES UPPER CHAMBER Optimized cylinder chamber providing maximum hammer stroke and high impact power. PISTON DESIGN Lubricate Groove reducing frictional heat and improving reliability. Robust Simple piston design for strength and performance. DOWN CHAMBER Efficient chamber volumes and cycle timing to give optimised performance. CHUCK Intermediate frequency induction heating offering extra protection against wear and fatigue. BIT Quality forged material providing outstanding performance and durability.

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