Underground Drilling Oscillating Cylinder -50/25-190A -50/25-190A

The Underground Drilling Oscillating Cylinder -50/25-190A -50/25-190A is engineered for underground mining, rock drilling, and geophysical exploration applications. Compact envelope, high specific force output, and reinforced end mounts accommodate the severe shock loading and space constraints typical of mining machinery. Bore diameter Ø50mm, piston rod diameter Ø25mm, stroke 190mm. Materials: barrel — seamless honed steel tube; piston rod — 45# or 40Cr alloy steel, induction hardened Ø0.03-0.05mm oversize then hard chrome plated to Ra≤0.4μm; seals — Parker (USA) or Merkel (Germany) standard. All cylinders are hydraulically pressure-tested before dispatch. Custom bore, stroke, mounting, port position and surface treatment available on request. Contact Hengshui export sales for technical drawings and quotation: sales@wx-hxy.com | WhatsApp +86 133 8224 8877.