Materials:

E355SR H8 (UNI EN 10305-1:2010)
E355SR H9 (UNI EN 10305-2:2010)

Roughness:

Ra 0,4μm (H8) – Ra 0,8μm (H9)

Bore:

Min 25 mm / Max 160 mm

Materials:

C45 (UNI EN 10083-1)
20MnV6 – 42CrMo
AISI 304

Roughness:

Thickness: 25μm – 40μm
Hardness: 850-1000HV 0,1
Roughness: Ra < 0,2μm
Mist salt resistance: min 200 h rating 9 – up to 1000 – 1500 h available

Stroke:

Up to 5000 mm

A strict protocol of in-process testing and trials is carried out on Rima hydraulic cylinders:

• In-process tests and measurements;
• Air or oil testing (up to 300 bar);
• Specific tests for durability and resistance;
• Specific painting tests;
• Salt mist resistant tests on materials;
• Contamination level according to ISO 4406 certified up to NAS 7 (ISO 18/15/12)

Welding types:

MIG / MAG / TIG

Qualification of welding processes according to:

ISO15613, ISO15614, ISO15620

Qualification of welders according to:

ISO9606, ISO14732

NDT operators qualification:

VT/PT

Saline mist resistance

Internal test bench test exceeding 200 hours Rating 9/8 (UNI EN ISO 10289)

Paint Resistance

Indoor test bench test in harsh environment (UNI EN ISO 9227)

For years we have been designing and developing specific hydraulic cylinders with:

• Front and rear braking systems
• Electronic devices, pressure sensors, linear sensors, sensors for monitoring stroke and rod position

• On request, we perform special tests on hydraulic cylinders according to customer requirements
• We develop on request 8D reports on the quality of hydraulic cylinders and PPAP