HİDROMAN Hydraulic Cylinder Production Standard (HSS-01)
Hidroman philosophy: "Silent, long-lasting, problem-free hydraulic solutions."
1.Scope
This standard; All produced by Hidroman:
Double-acting hydraulic cylinders
Custom design OEM rollers
It covers revised productions.
2.Design Standard
2.1 Load & safety
Safety coefficient ≥ 1.5
Buckling calculation: load + stroke + mounting type together
Guiding mandatory if side load is above 5%
2.2 Cycle definition
Standard series: ≥ 1,000,000 cycles
Premium series: ≥ 3,000,000 cycles
Heavy duty: project based
Material Standard
3.1 Cylinder body
Honed tube: EN 10297-1 E470
Hon tolerance: IT7
Surface roughness: Ra ≤ 0.4 μm
3.2 Piston rod
EN 10083 C45 / induction hardening
Hard chrome min. 20 μm
Surface roughness: Ra ≤ 0.2 μm
Alternative coatings (HVOF, etc.) depend on customer demand.
Machining & Tolerance
Track
Critical tolerance
Piston rod accuracy
≤ 0.02 / 1000 mm
Coaxiality
≤ 0.03 mm
Straightening after welding
Compulsory
"Warn" tolerance is prohibited.
Sealing Standard
Standard series: Parker / Trelleborg / Merkel
Seal selection:
Pressure
Speed
Temperature
It is made according to the number of cycles
Felt replacement cannot be done without approval.
Mounting Standard
All seals are attached with the mounting bracket
During assembly:
Cutting
Torsion
Forced spending
It is strictly prohibited.
After assembly, the cylinder undergoes manual function testing.
Test Standard
7.1 Compulsory tests (100%)
Pressure test: 1.5 × working pressure
Leak test
Function test (forward-backward)
7.2 Premium tests
Sampling cycle test
Measurement report
Test certificate
Documentation & Traceability
Each cylinder:
Serial Number
Technical drawing revision
Test result
Material registration
must be traceable for at least 10 years.
Sales & Delivery Standard
With delivery:
Technical datasheet
Installation & maintenance instruction
Spare parts list
Warranty certificate (standard: 24 months)
Hidroman Premium Rule
No cylinder produced under the Hidroman brand can be shipped without being tested and recorded.
One-sentence Hidroman standard
Hidroman cylinders operate silently; Because it is produced so that it does not cause problems.