Capabilities

We are the preferred Central European partner for the development, manufacture and service of aircraft hydraulics, electromechanical actuators, wheels and brakes.

Research and development

Production

Servis (MRO)

Development work

We have design and development know-how in the following areas:

Chassis hydraulics
Hydraulic flight control instruments
Hydraulic brake instruments
Hydropneumatic shock absorbers
Electromechanical tie rod struts
Brakes
Wheels

Specifications

Development of new aircraft units
Modification of existing aircraft units
Design work in Catia V5-6R2014
Computational work in FEM Nastran

Development Certification Exams

Jihlavan also has the technology and skills to test civil and military aerospace hydraulic (pneumatic) equipment and general purpose hydraulic equipment.

Specifications

Endurance tests of the entire hydraulic system
Tests of the resistance of equipment under pressures up to 32 MPa and
hydraulic fluid supply up to 80 l/min.
Reduced temperature tests down to -60 °C
Elevated temperature tests up to +120 °C
Tests at reduced atmospheric pressure up to 100 mbar
Tests with physiological mist
Hydraulic fluid strength tests with static pressure up to 100 MPa
Vibration tests – sinusoidal vibration, random vibration on a 4kW vibrator (5 to 4,500 Hz, max. 94 g)
Impact test – multiple, single impacts (17 to 180 impacts/min, impact duration 0.5 to 10 ms, max. 20 kg).
Functional testing of hydraulic aircraft units (equipment) using HyJet IV – A Plus fluid at pressures up to 33 MPa (static pressure up to 50 MPa) and hydraulic fluid flow up to 65 l/min.

Spindle machining of key components

Jihlavan has a comprehensive complex of machine tools from material cutting, through multifunctional CNC machining centers, CNC lathes to CNC grinders and honing machines.

Specifications

Multigrinding and 5-axis machining: WFL M35, M30, Mazak Integrex, Grob
CNC grinding: STUDER
CNC honing: SUNNEN
Conventional and special deburring of hydraulic components.

Surface protection / chemical processes

Anodic oxidation of aluminium alloys (Elox). Types: sulphuric anodizing, chromate anodizing and Alodine. All three types under NADCAP certification.
Coating (painting) NADCAP Certified.
Hard chrome coating (chrome plating).

Special processes

Chemical processes
- Anodic oxidation of aluminium and its alloys (anodising) in sulphuric acid or chromic acid.
- Chromating aluminium and its alloys with ALODINE 1200.
- Passivation of stainless steels.
- Hard chromium plating – electrochemical deposition of functional chromium layers.
  Painting – wet coating line.

Non-destructive tests
- Magnetic Materials Inspection (MPI)
- Tests for non-magnetic materials (FPI)

Aerial assembly

Jihlavan has assembly workplaces with controlled cleanliness and temperature stabilization adapted for the assembly of hydraulic and electromechanical devices for on-board systems of General Aviation aircraft as well as large transport aircraft such as Airbus and Boeing.

Specifications

Installation of hydraulic actuators and valves
Installation of hydraulic fuses
Assembly of electromechanical actuators
Assembly of wheels and brakes

Serial production tests

After installation of the aeronautical instruments, the final tests verify the prescribed functional parameters. Testing is carried out on certified test equipment.