Offer for Industry

Division of Hydraulics and Pneumatics

Description of the service

Design – concept design, prototype design, detailed design of:

  1. Pumps,
  2. Hydraulic motors,
  3. Valves,
  4. Testing stations for pumps, hydraulic valves and motors,
  5. Industrial systems involving mobile and fixed hydraulics,
  6. Hydraulic-driven devices including vehicles.

Supervising personnel

Leszek Osiecki PhD, Eng. (e-mail: losiecki@pg.gda.pl, phone: (058) 347 20 31)

Paweł Śliwiński PhD, Eng. (e-mail: pawel.sliwinski@pg.gda.pl, phone: (058) 347 22 67)

Piotr Patrosz MSc, Eng. (e-mail: piotr.patrosz@pg.gda.pl, phone: (058) 347 28 31)

Paweł Załuski MSc, Eng. (e-mail: pawel.zaluski@pg.gda.pl, phone: (058) 347 28 31)

Description of the service

Laboratory testing and research of:

1) prototypes, including development research and preparing the methodology of the research of:

  1. Positive-displacement pumps,
  2. Low-speed high-torque hydraulic motors,
  3. High-speed hydraulic motors,
  4. Valves;

2) Compressibility of liquid;

3) Purity of liquid.

 

The research of the positive-displacement pumps include:

  1. Measurement of the torque at the drive shaft, the pressure increase in the pump, rotation speed and pump output (in order to determine the energy loss and calculation of the total, volume, mechanical and pressure efficiency of the pump),
  2. Specialized tests and research (particularly the research of prototypes) such as the measurement of the pressure in the working chamber,
  3. Tests and research of the pumps in motor work.

 

The tests and research of the hydraulic motors include:

  1. Measurement of the torque at the drive shaft, the pressure increase in the pump, rotation speed and pump output (in order to determine the energy loss and calculation of the total, volume, mechanical and pressure efficiency of the pump),
  2. Tests and research of the motors in pump work;

Basic parameters of the pump testing stations

  1. Pressure up to 50 MPa,
  2. Maximum speed – 3000 rpm,
  3. Maximum power output 120 kW.

Basic parameters of the motor testing stations

  1. Pressure up to 30 MPa;
  2. speed:

- Testing station no.1: 30 – 1500 rpm,

- Testing station no. 2: Tests performed only at low constant speeds (e.g. n=1 rpm);

  1. motor size:

- Testing station no.1 – up to 40 cm3/rev,

- Testing station no.2 – 6300 cm3/rev.

Supervising personnel

Leszek Osiecki PhD, Eng. (e-mail: losiecki@pg.gda.pl, phone: (058) 347 20 31)

Paweł Śliwiński PhD, Eng. (e-mail: pawel.sliwinski@pg.gda.pl, phone: (058) 347 22 67)

Piotr Patrosz MSc, Eng. (e-mail: piotr.patrosz@pg.gda.pl, phone: (058) 347 28 31)

Paweł Załuski MSc, Eng. (e-mail: pawel.zaluski@pg.gda.pl, phone: (058) 347 28 31)

 

 

Description of the service

Testing hydraulic elements in low ambient temperatures including the conditions of the thermal shock

(Hydraulic systems which are cooled down in the climatic chamber are powered by hot operating medium. The ranges of permissible work parameters are defined).

The tested assemblies (pumps, low-speed motors, high-speed and high-torque motors, actuators, valves, servo valves) can be cooled down to minus 40 degrees Celsius in the climatic chamber (dimensions: 2m x 1m x 2m).

The tests of pumps and hydraulic motors include:

Measurement of the torque at the drive shaft, oil pressure in front of and behind the hydraulic assembly, revolution speed and flow rate (in order to determine the energy loss and calculate the total, volumetric and mechanical-pressure efficiency), oil temperature and elements of the hydraulic assemblies.  .

 

Supervising personnel

Ryszard Jasiński PhD, Eng. (e-mail: ryszard.jasinski@pg.gda.pl, phone: (058) 347 29 32)

 

 

 

Description of the service

Calculations and modelling of:

  1. pump, motor and valve constructions,
  2. static strength of the steel structures,
  3. hydraulic systems,
  4. flows.

The calculations are carried out using software dedicated to FEM calculations and to modelling the dynamic simulations of hydraulic elements and systems 

Supervising personnel

Piotr Patrosz, MSc, Eng.

e-mail: piotr.patrosz@pg.gda.pl
phone: (058) 347 28 31

  

 

 

Description of the service

Training on hydraulics and pneumatics for industry workers at various advancement levels

Apparatus
(testing station)

4 modern didactic stations for laboratory classes on hydraulics

Modern laboratory for classes on pneumatics

Supervising personnel

Paweł Śliwiński, PhD, Eng.

e-mail: pawel.sliwinski@pg.gda.pl
phone: (058) 347 22 67

Ryszard Jasiński, PhD, Eng.

e-mail: ryszard.jasinski@pg.gda.pl, phone: (058) 347 29 32

 

 

Description of the service

Expert’s opinion on pumps, motors, valves

Supervising personnel

Paweł Załuski MSc, Eng.

e-mail: pawel.zaluski@pg.gda.pl phone: (058) 347 28 31

 

Other divisions

 

The research and development offer of the department includes:

  • Modelling and analysis of the dynamic properties of mechanical structures and mechatronic systems;
  • Strength calculation for the machinery and structure components in static and dynamic problems (solved by means of finite element method – deformable and rigid) using the custom software or utility software: ANSYS, MSC.NASTRAN, MSC.MARC, MSC.ADAMS, MSC.PATRAN, MATLAB;
  • Modelling, optimization and analysis of the vibrations of the mechanical and mechatronic systems with wide scope of working motion (solved using the methods of multi-mass systems dynamics applying custom software in MATLAB environment);
  • Modelling discrete-continuous systems of variable physical nature;
  • Vibration analysis and controlling of the mechatronic systems (solved with bond graphs method and finite elements applying 20-SIM, MATLAB, SIMULINK and custom software);
  • Programming the machinery control systems using PLC controllers and microcontrollers;
  • Supervision of the dynamic systems, including rapid machining of metal, vibration of manipulators and weighbridges and motion of the mobile platforms (solved with finite element method applying custom software, modern methods and techniques of experimental research, including portable computer vibration supervision system);
  • Examination of the condition of the machinery, static-strength analysis of machinery and machinery components;
  • Processing and research development of the new types of pumps and hydraulic motors, including systems fed by various media;
  • Researching the components and systems in various operational conditions including low ambient temperatures and conditions of thermal shock;
  • Design and production supervision of hydraulic and pneumatic systems and test beds for such systems
  • Manufacturing the measurement apparatus and systems and research stations
  • Analysis of the construction of the hydraulic elements using computerized technology for strength and thermal computations and fluid-flow simulation
  • Professional evaluation of the hydraulic components using the Department’s and ordering party’s testing and research stations
  • Basic tests and research of:
  • Mechanical properties of materials, components and joints;
  • Impact resistance using Charpy method, drop weight tear test (DWTT), determining the brittleness temperature;
  • Static tests and testing the removable tools and lifting elements
  • Elements such as ropes, chains, slings
  • Fatigue strength of construction material in ambient and corrosive environment
  • Fatigue crack propagation velocity and determining the crack resistance in flat deformation conditions
  • Hardness of the construction material.

The laboratory can prepare the samples from the material delivered by the ordering party. It also conducts the works related to the preparation of legal opinion on the technical mechanics, construction and operation of machinery.