Instron High-Speed Testing Machine VHS 160/100-20 Tension Compression Bending Component

Instron

Type: VHS 160/100-20

VHS High-Speed Machine

Application Area:

Material characterizations (dynamic tensile, compressive, bending, and component tests) of:

Fiber-reinforced composites, core composites, metallic materials

Component-specific tests, crash behavior

Technical Data of the System

VHS Load Frame and Cylinder
4-column test frame 1000 kN with high stiffness, precisely aligned
- Cylinder installation in the upper crossbeam
- Hydraulic clamping and adjustment of the upper crossbeam
- Machine table with T-slots in X and Y direction
- Parallelism: 0.5 mm/m at 1 m crossbeam distance
- Machine weight approx. 4,950 kg
- Installation dimensions frame - 1500 x 1500 x 1592 mm (W x D x H)

VHS Cylinder 160/100-20 with hydrostatic bearing
- Wear-free, seal-less hydrostatic bearing for low-friction
guidance of the piston rod with additional plastic coating,
suitable for absorbing high lateral forces and precise axial guidance
- FNenn, static: ± 160 kN
- FNenn, dynamic at nominal speed: ± 100 kN
(considering the mass force at vNenn)
- Max. test speed: 20 m/s
- Nominal stroke, nominal: 300 mm
(including 2x50 mm end stroke damping)
- Reinforced end stroke damping on both sides
- Piston stroke measurement via integrated shock-resistant extremely fast
displacement transducer:
Measuring range: 300 mm
Measurement frequency range: dc to 10 kHz at -3 dB
Response time: 35 µs
Resolution: 0.001% FS

Servo Block and Valves
2 pieces 3-stage proportional valves type Moog D665
- Nominal flow 1,500 l/min at 10 bar pressure drop
- including 2-stage pilot valve, particularly fast
switching (high response) with large coil areas
- specially optimized for high accelerations and
accuracy of the valve piston
4 pieces 2-stage servo valves 65 l/min
- for setup operation, cyclic or slow (static) tests in
closed-loop control operation up to max 1.0 m/s

Set of hydraulic accumulators for pressure and return oil line
- to provide the required hydraulic energy
in high-speed testing
- Pressure display with digital gauges
- Rechargeable nitrogen pressure
- Delivery with corresponding certificates

Hydraulic safety connection unit
- for switching on and off the hydraulic pressure
from the hydraulic unit to the cylinder
- integrated safety circuit for setup operation
with reduced oil pressure and oil flow
- automatic activation of the safety circuit
when opening the protective housing

Installation of the machine on vibration-damping air bearings

Digital Control Electronics

VHS 19"-Control Cabinet IP60
houses:
- Tower control electronics 8800
- Kistler charge measurement amplifier
- Cylinder connection electronics

Digital control electronics 8800 VHS with console software
- Modular expandable measurement and control electronics with 5 free slots for
additional controller cards or 4-channel data acquisition cards (5 kHz)
- integrated into a compact, modular stand housing (tower), suitable for installation
in a 19"-control cabinet
equipped with:
1 controller card for one cylinder
2 measurement amplifiers for force and displacement signals
1 GPIB interface (IEEE 488.2)
The controller card can be expanded by 2 additional measurement amplifiers (e.g. for
strain control), a maximum of 4 measurement amplifiers can be plugged into each controller card for
synchronous measurement value processing.

The base software Console allows complete operation of the electronics
via software on a PC. A suitable PC with
NI-GPIB card is additionally required.
The communication takes place via a high-speed computer interface
HS488 according to GPIB industrial standard.
Among other things, the following functions are available:
- Setting system parameters
- Setpoint generation
- Setting limits
- Digital display
- Simple data acquisition

VHS Trigger Module for external signals
Electronics module for switching digital TTL output signals through external
analog input signals
- Support for positive and negative trigger voltages
- Mounting on the back of the VHS-8800 tower

Computer and Software
Dell Personal Computer T3500 with Intel Xeon Dual Core Processor

VHS User Software
VHS Base Software
for conducting high-speed tests

VHS Profiler Software
Software for optimizing the test speed in
VHS high-speed systems. The desired test speed is
achieved more accurately than with conventional control systems.

VHS Impulse Software
for graphical and numerical evaluation of measurement data from
high-speed tests

Acceleration correction and calibration package
VHS acceleration sensor package
This package allows direct measurement of accelerations during the
test.

VHS Calibration Package
The package is necessary to relate the piezo-quartz ring to a known force value.

Tensile Fixtures for High-Speed Tensile Tests

VHS Clamping, static part consisting of:
Piezo force sensor
- for short-term measurement of dynamic and static forces
(true static measurements over an unlimited period are not
possible)
- Calibrated nominal value: 100 kN
- Max. overload: 480 kN
- Compact design and extremely high stiffness (>3.5 kN/µm)
Charge measurement amplifier (in 19" rack)
- for converting the charge output from a piezoelectric sensor
into a proportional voltage
- Measuring range for 10 V FS: ±10 ...999,000 pC
- Frequency range: 0 to 200 kHz at -3 dB, without filter
- Output voltage: ±10 V
- 3 selectable time constants (high-pass filter)
- Reading accuracy of the piezoelectric force measurement, at least 1% from 2%
of the nominal load
Mechanical wedge clamping device
- Compact design
- Lightweight construction to optimize the resonance frequency
- Nominal force: 250 kN
- Clamping area: Width 40 mm

VHS Clamping, dynamic part consisting of:

Quick tear clamping "Fast Biter", recommended for testing stiff
damping-free specimens (e.g. metal, composites)
- Bounce-free clamping for conducting quick tear tests
- Lightweight construction to optimize the resonance frequency
- Nominal force: 100 kN
- Clamping area: Width 40 mm

Jaw sets for flat specimens
- Specimen thickness 0.5 to 6 mm
- Surface: pyramidal
Clamping area of the static jaws 40 mm X 45 mm (WxH)
Clamping area of the dynamic jaws 40 mm X 60 mm (WxH)

Plasma jaw sets for flat specimens
- Specimen thickness 0.5 to 6 mm
- Surface: Plasma
Clamping area of the static jaws 40 mm X 45 mm (WxH)
Clamping area of the dynamic jaws 40 mm X 60 mm (WxH)

Set of jaw sets for round specimens
- Specimen diameter 10 mm
- Surface: serrated
Other sizes available upon request

Set of extension plates for flat specimens 30 kN
to achieve the required lead distance for short flat specimens and for
clamping specimens that require adapters (e.g. plastics and composites)
Consisting of
- Titanium clamping plates
- a set of spacers for thin specimens
Note:
Customer-side additional/other spacers may need to be provided. The
clamping success is highly dependent on the test material and geometry.

VHS Pressure Plates
Lower pressure plate mounted on the T-slot plate using the
piezo force sensor of the static clamping. The specimen is held in position by 4 clamping rods arranged in a circle.
The upper pressure plate is attached to the piston rod via a sliding connection.
The sliding connection is fixed with a shear pin. The shear pin prevents
overload.
Four plate guides prevent buckling of the specimen or an
off-center load to avoid damage from lateral loads
Max. test force: 100 kN
Max. test speed: 10 m/s
Pressure plate diameter: 120 mm

Hydraulic Supply

Hydraulic unit 86 l/min, 280 bar
- Nominal flow: 86 l/min
- Nominal pressure: 280 bar
- Max pressure: 315 bar
- Power consumption: 45 kW nominal
- Tank volume: 600 l
- Control pump adjusts the flow rate to the oil demand
- Integrated PLC control with digital display (e.g. for oil pressure and oil temperature)
- Effective plate heat exchanger for water cooling for max.
Water inlet temperature 25°C
- Monitoring functions for:
Oil temperature, oil pressure, oil level, filter contamination, motor current
- Oil filter 2µm in pressure and return oil line
- Can be switched on and off directly at the unit or via remote control
- Additional requirements: Oil, control cable, hoses
- Optional: Pressure accumulator, sound insulation, air cooling
Dimensions: 1140 x 1660 x 1740 mm (D x H x W)
Weight: 600 kg / 1200 kg (without / with oil filling)
- Water-cooled with special heat exchanger
for aggressive cooling water
for max. water inlet temperature 25°C
Required cooling water
at water inlet temperature 25°C - max. 60 l/min
at water inlet temperature 20°C - max. 36 l/min

Compact Temperature Chamber with Window

The temperature chamber EC1854 with side window is specifically designed for
use with Instron high-speed testing machines and a laser
strain gauge
- Suitable for use with clamping device "Fast Biter", slack-rod
clamping and VHS bending device
- Only suitable for specimen shapes that are compatible with the above-mentioned clamping devices
and are long enough
- Temperature range: -100°C to +250°C
- Cooling time to minimum temperature < 45 min
- Interior dimensions: 150 x 240 x 280 mm (HxWxD)
- Exterior dimensions: 255 x 350 x 390 mm (HxWxD)
- Window size: 120 x 120 mm
- Thermocouple: Type K
- Cooling medium: LN2 (to be provided by the customer)
- Clamping openings: Diameter 165 mm
including reducing inserts for flat specimens
Slot size 32 mm X 3 mm
- Light opening: Diameter 32 mm
- Measurement cable opening: Diameter 30 mm
- Electrical connection: 230 V, 50 Hz, single-phase
- Power consumption: 2 kW (10 A)

Condition: used

Scope of delivery: (See image)

(Changes and errors in the technical data, specifications are subject to change!)

Further questions can be answered by phone.