HC series: 10 to 25 kN

While the HA and HB ranges are floor-standing units, allowing equipment assembly at an optimum operating height, the HC range (10 to 25kN) are table-top models and can also be placed on a workbench, for example. A concrete base can optionally be supplied as a support. With all HC models the actuator is positioned above the test area, which is equipped with a T-slotted platform.
HC25 fatigue strength testing machine – the power pack can also serve as a machine table

A special feature of the HC series is the HC Compact. In this model the hydraulic power-pack acts as the machine table, reducing the system footprint to a minimum. With a flow rate of 12 l/min, special sound insulation for the hydraulic power-pack and a minimal footprint, the HC Compact is ideal for laboratory operation.

Technical overview of HC series

The test frame features extremely high stiffness and natural resonance; high-accuracy alignment avoids unwanted flexural stresses in the specimen.
1x1-loadframe-hc25-fo
HC25 fatigue strength testing machine on concrete base for ergonomic testing

Advantages & features

  • 2-column frame for dynamic tests up to 25kN.
  • Testing actuator located in upper crosshead.
  • Suitable for 10 kN and 25 kN axial actuators.
  • Suitable for combined tensile and compression/torsion actuator with maximum torque of 250 Nm.
  • Hard-chromed T-slotted platform and columns for tests in corrosive media.
  • The entire test, together with set-up and control of automatic extensometers and specimen grips, is run via the display-equipped remote control unit.
  • Wide accessory range: temperature chamber, compression platens, specimen grips, flexure test kit etc.
  • Optional hydraulic adjustment for easy positioning of upper crosshead.
  • Safety housing for compliance with CE Machinery Directive depending on application.

Technical data

Test area height

Standard

Extended by 250 mm

Extended by 500 mm

Dynamic nominal force

25

25

25

kN

A - max. height of test frame

1325

1575

1825

mm

AG100 – max. test-frame height with 100mm-stroke actuator

1865

2115

2365

mm

AG250 – max. test-frame height with 250mm-stroke actuator

2165

2415

2665

mm

B — max. width of test frame

660

660

660

mm

C – max. depth of test frame

450

450

450

mm

D1 - distance between columns

460

460

460

mm

E – column diameter

65

65

65

mm

F - height of top edge of lower crosshead

75

75

75

mm

G – max. test area height[1]

1070

1320

1570

mm

H – max. working test area height[2]

310 to 1010

560 to 1260

810 to 1510

mm

J - crosshead adjustment path[3]

700

mm

K - weight[4]

300

315

kg

Frame stiffness at 1000mm crosshead separation

300

300

300

kN/mm

Clamping/ adjustment: manual/manual

1037238

1037462

1037469

Clamping/ adjustment: manual/hydraulic

1036930

1036931

1037473

  1. Distance between upper and lower crossheads
  1. Distance between piston flange and base crosshead with piston retracted
  1. For frames with hydraulic adjustment only
  1. Weight without actuator, load cell, or any fixtures

Layout

Design servohydraulic testing machine of HC series

Technical overview of HC Compact

The HC Compact is a complete testing system. It requires very little space as the low-noise power pack forms the base support for the test frame. With a testing actuator mounted in the upper crosshead and a hard-chromed T-slotted platform, the testing machine is suitable for static and dynamic tests of all types up to 25 kN, including flexure tests, tests on components and biomedical tests.
HC compact fatigue strength testing machine with temperature chamber
HC compact fatigue strength testing machine with details on integrated hydraulic power pack

Advantages & features

  • Space-saving testing system with integrated hydraulic power-pack.
  • Extra-quiet low-noise power pack.
  • The entire test, together with set-up and control of automatic extensometers and specimen grips, is run via the display-equipped remote control unit.
  • 2­column frame for dynamic tests up to 25kN with testing actuator installed in upper crosshead.
  • Suitable for 10 kN and 25 kN axial actuators.
  • Hydrostatic-bearing, sealless actuator for virtually frictionless and maintenance-free operation.
  • Hard-chromed T-slotted platform and columns for tests in corrosive media.
  • Wide range of accessories: temperature chamber, compression platens, specimen grips, flexure test kit etc.
  • Optional hydraulic adjustment for easy positioning of upper crosshead.
  • Safety housing for compliance with CE Machinery Directive, depending on application.

Technical data: machine

Test area height

Standard

Extended by 250 mm[1]

Extended by 500 mm

Dynamic nominal force

25

25

25

kN

A - max. height of end of column

2240

2490

2740

mm

AG100 – max. height with 100mm testing actuator

2725

2975

3225

mm

AG250 – max. height with 250mm testing actuator

3025

3275

3525

mm

B - max. width

720

720

720

mm

C - max. depth

1360

1360

1360

mm

F - height of top edge of lower crosshead

995

995

995

mm

K - total weight[2]

1080

1095

1120

kg

C1 – max. depth of test frame

450

450

450

mm

D1 - distance between columns

460

460

460

mm

E – column diameter

65

65

65

mm

G – max. test area height[3]

1070

1320

1570

mm

H – max. working test area height[4]

310 to 1010

810 to 1510

mm

Frame stiffness at 1000mm crosshead separation

300

300

300

kN/mm

T-slots

as per DIN 650 ­ 12H12, spacing 80 mm

Connection size

Ø 70 mm, 6 x M8 and Ø 115 mm, 4 x M8

Clamping/ adjustment: manual/manual

1037238

1037462

1037469

Clamping/ adjustment: manual/hydraulic

1036930

1036931

1037473

  1. Required for use with temperature chamber
  1. With oil and 100mm testing actuator, no grips
  1. Distance between upper and lower crossheads
  1. Distance between piston flange and lower crosshead with piston retracted

Technical data: hydraulic power-pack

Hydraulic power-pack – low-noise

Noise level

<58

dB(A)

System pressure

210

bar

Nominal output

12

l/min

Volume, oil reservoir

160

l

Coolant water req. at 32 °C

5

l/min

Electrical supply

400, 3PH/N/PE, 50 Hz

V

Motor power rating

5

kW

Weight with oil

690

kg

Item No.

1036929

Layout

HC_compct_+DR

Videos

0:44

Fatigue testing of transtibial prothesis

Fatigue tests on transtibial prothesis with a servohydraulic testing machine

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Marenco Swisshelicopter AG is developing a new type of helicopter featuring outstanding hot and high performance, designed to provide numerous operators around the world with a flexible platform for fast, straightforward delivery of transport, sightseeing flights and surveillance operations. It is essential that the helicopter is cost-effective and maintenance-friendly in service. The fuselage and many other components consist entirely of carbon-fiber composite, with quality maintained at a high level by means of coupon tests and component tests. An intensive operation is currently underway to set up a test center focused on continuous improvement of internal expertise. Zwick is assisting with innovative testing technology.
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