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Test machines

Torsion machines
Component test
Resonant HCF
Steering column
Second user

Test ancillaries

Data acquisition
Specimen fixing


Gas flow


Bespoke machines


Strain gauge
Electronic assembly


I/O cards

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About Si-Plan Electronics Research Ltd

About Si-Plan Electronics Research Ltd
Examples of turn-key solutions to customer requirements
Test Machines
International customer base

About Si-Plan Electronics Research Ltd

Si-Plan Electronics Research Ltd
  • designs and builds machines for testing and production
  • designs and builds fatigue, tensile, compression and torque test machines
  • designs and manufactures one-off solutions to customer requirements
  • is experienced in providing turn-key solutions
  • has a total in-house facility from design to manufacture

Products and services Ltd

Examples of turn-key solutions to customer requirements

Turn-key solutions
  1. Double-sided bearing test rig. Four test heads. Up to 5,000rpm bearing speed. Applies radial and axial load. Digital servo-controller and data acquisition unit.
  2. Production test machine for setting hydraulic pressure control valves. Digital servo-controller for automatic sequence and data collection.
  3. Torsion test stand to determine dynamic stiffness constant of shafts. Maximum torque of 100Nm. Frequency up to 40 hertz. Angular deflections of ±30°.
  4. Rotational durability test rig to test steering columns in vehicle installed geometry. Dynamic capacity 150Nm. Angular capacity ±720°. Cyclic frequency up to 2 hertz.
  5. Dual axis servo-hydraulic test machine. Vertical axis: 500 kN compression for static/low frequencies, ±80 kN dynamic. Stroke 300mm. Side loading: ±50kN. Stroke 300mm.

Test Machines

5kN servo-pneumatic benchtop test machine 10kN servo-hydraulic benchtop test machine 50kN servo hydraulic floor standing test machine 5kN servo-pneumatic benchtop test machine
5kN servo-pneumatic benchtop test machine 10kN servo-hydraulic benchtop test machine 50kN servo hydraulic floor standing test machine Prosthetic foot test machine with two pneumatic actuators
  • Servo-pneumatic fatigue test machines
  • Servo-hydraulic fatigue test machines
  • Capacities from 5kN up to 3,000 MN.
  • Non destructive testing equipment for in-service monitoring of metal fatigue.
  • Endurance testing equipment, for example
    • motor vehicle clutch endurance test rigs
    • automotive brake testing rigs
    • steering joint test rigs
    • vehicle window winding rig
    • artificial limb testing machines
    • aircraft PCU test rigs
    • breathing simulators
  • Product quality assurance testing equipment eg medical inhaler drug dispensing.

Digital servo-controller

  • Digital servo-controller and data acquisition unit for new machines and upgrades.
  • Control for dynamic fatigue and tensile testing.
  • Specially written control and monitoring software for Windows® platform with DPMs. XY graph, XT graph and logger.


  • Servo-pneumatic actuators (range 2 kN to 10 kN)
  • Servo-hydraulic actuators (range 5 kN to 3000 kN)
  • Semi-rotary servo-hydraulic actuators, up to 30,000 newton metres

Hydraulic power packs

Si-Plan designs and builds hydraulic power units
  • Flow rates of 8 litres per minute to 145 litres per minute per unit (multiple units can be operated in parallel
  • Fixed or variable delivery
  • Air cooled or water cooled
  • Typical operating pressures in the range 206 bar to 700 bar


Customers' requirements are developed from concept through to finished article by Si-Plan Electronics Research Ltd personnel in departments including
  • Mechanical Computer Aided Design
  • Electronics Computer Aided Design
  • Mechanical engineering (including hydraulics and pneumatics) with CNC machining, welding and fabrication
  • Software development (control, monitoring, display and data logging)
  • Calibration
Si-Plan works with government establishments, universities, public and private companies worldwide in the aerospace, agricultural, automotive, medical and pharmaceutical sectors

Si-Plan building Si-Plan's purpose-built
17,000 square foot factory
in Stratford-upon-Avon.

International customer base

Si-Plan Electronics Research Ltd's products are in use in the UK and
  • Australia
  • Belgium
  • Brazil
  • Canada
  • France
  • Germany
  • India
  • Italy
  • Korea
  • Netherlands
  • Russia
  • Saudi Arabia
  • Singapore
  • Spain
  • Sweden
  • Switzerland
  • Thailand
  • USA

Si-Plan logo

Si-Plan Electronics Research Ltd, Avenue Farm Industrial Estate,
Birmingham Road, Stratford-upon-Avon, CV37 0HR, UK
Tel International: +44 1789 205849 | Tel UK: 01789 205849
Fax International: +44 1789 415550 | Fax UK: 01789 415550

Si-Plan ISO 9001:2000