STEP Lab impact test systems are test systems for performing single and multiple axial impact tests
on standardized products and specimens. The systems allow impact energies ranging from 0.2 to 2000 J,
allowing a wide range of products and materials to be tested, thanks also to the large volume available
for sample placement. We provide highly competitive facilities thanks to the wide range of ac-
accessories such as load cells, anti-rebound systems, spring accelerators, and the wide range of impactors
instrumented and specimen holdersDROP TOWERSBrochure

STEP Lab impact test systems are test systems for performing single- and multi-axial
impact tests on standardized products and specimens. The systems allow impact
energies ranging from 0.2 to 2000 J, allowing a wide range of products and materials to
be tested, thanks also to the large volume available for sample placement. The drop
towers allow both broken/unbroken tests and instrumented, where force and energy
absorbed during impact are acquired. The systems are developed to be close to the
customer's needs, giving ample opportunity to customize them at the purchase stage
and guaranteeing expandability should the customer's needs change. All drop tower
versions are equipped with direct speed reading and an automatic system for recovery
and positioning of the impactor.DROP TOWERSBrochure

FEATURES


High reliability


High efficiency


Modular structure for the wide range of applications


Automated weight recovery and speed reading system




DESCRIPTION
DW625
DW1000
DWT2000
Fall height
[m]
0,05 – 1,3
0,05 – 1,4
0,05 – 1,4
Impact velocity with acceleration
[m/s]
10,0
10,0
20,0
Impact velocity
[m/s]
5,0
5,0
5,0
Speed measurement
with optical sensor
with optical sensor
with optical sensor
Energy range
[J]
625
1000
2000
Fall weight
[kg]
50
70
70
Fall weight with acceleration
[kg]
12,5 (10 m/s)
20 (10 m/s)
40 (10 m/s)
10 (20 m/s)
Acquisition speed (load signal)
[MHz]
3.5
3.5
3.5
Signal strength resolution
[BIT]
16
16
16
Foot load point
[N/cm2]
12000
16000
22000
Compressed air
[bar]
6-8
6-8
6-8
Dimensions W x D x H
[mm]
700x
850x
3000
800/1400×3500
800/1400×3500
Test Area W x D x H
[mm]
500x600x500
800/1400×650
800/1400×650
Machine weight
[kg]
600
1100
1400


All versions of drop towers are equipped with direct velocity readout and an automatic impactor recovery and positioning system we also offer a wide range of easily modified supports, masses, fixtures, and accessories for puncture resistance tests, tensile impact tests, and wedge peel tests along with compression and component tests
To complete the offerings in addition to the wide range of standard accessories, there is the possibility of collaborating with STEP Lab to develop the equipment that most closely matches the customer’s needs.

  • Ease of operation thanks to an intuitive user interface
  • High safety due to door locks that are activated upon machine reset
  • Pneumatic system for drop weight release
  • Automated weight lifting and positioning
  • Variable drop height
  • Impact velocity up to 5.0 m/s (up to 20 m/s with spring preload system)
  • Set of standard drop weights: weights from 0.5 to 10 kg, a total of 70 kg
  • Impact velocity acquisition at 200 kHz
  • Force signal acquisition rate up to 10 MHz
  • Rapid changeover from ISO to ASTM test equipment and vice versa
  • Wide variety of grips, dedicated test accessories
  • Integration with both strain gauge and piezoelectric load cells



Certified Standards

TEST MATERIAL STANDARD DESCRIPTION
Impact tests Plastic ASTM D1709 Impact resistance of plastic films with the free-fall dart method
Impact tests Plastic ASTM D3763 High-speed drilling properties of plastics using load and displacement sensors
Impact tests Plastic ASTM D5420 Impact resistance of a flat rigid plastic specimen by a point impacted by a falling weight (Gardner impact)
Impact tests Plastic ISO 13802 Charpy, Izod and tensile tests
Impact tests Plastic ISO 148 Charpy impact test
Impact tests Plastic ISO 179-1
ISO 179-2		 Determination of Charpy impact properties
Impact tests Plastic ISO 6603-1
ISO 6603-2		 Determining the perforation impact behaviour of rigid plastics
Impact tests Plastic ISO 7765-1
ISO 7765-2
BS 2782-3		 Plastic films and foils – Determination of impact strength using the free-fall dart method
TEST MATERIAL STANDARD DESCRIPTION
Impact tests Metal ASTM E208
SEP 1325		 Performing the weight drop test to determine the non-ductility transition temperature of ferritic steels (Pellini Test)
Impact tests Metal ASTM E208
SEP 1325		 Impact tests on notched bar of metallic materials
Impact tests Metal ASTM E208
SEP 1325		 Drop Tear Tests of Ferritic Steels
Impact tests Metal ISO 10274 Tear test with drop weight
Impact tests Metal ISO 148-1
ISO 148-2		 Charpy impact test
TEST MATERIAL STANDARD DESCRIPTION
Impact test Bike JIS D 9431 Impact test on bicycle saddle
TEST MATERIAL STANDARD DESCRIPTION
Impact Biomedical ISO 11491 Determining the impact strength of ceramic ball heads for hip prostheses
TEST MATERIAL STANDARD DESCRIPTION
Impact tests Composite EN 6038 Determination of compressive strength after impact (CAI test)
Impact tests Composite ISO 18352 Determination of compressive properties after impact at a specific impact energy level (CAI test)
Impact tests Composite ASTM D7136/D7136M Measuring the damage resistance of a fibre-reinforced polymer matrix composite to a drop-weight impact event (Compression After Impact – CAI)


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