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Automatic Compression Test Machines

PCTE Compression MachineAutomatic Compression Machines are used to determine compressive, splitting and flexural strengths, usually applied to materials of high compression but low tensile strength, in which the specimen is subjected to increasing compressive forces until failure occurs.

In Australia the most common compressive strength testing procedures are cylinder strength tests for concrete according to AS 1012.9, and cube tests for cement materials. 

The UTEST Automatic range of compression testing machines has been designed for reliable and consistent unconfined testing of concrete samples. The standard model is a 2000 kN system, but forces from 600 kN to 3000 kN are available, and other accesory frames can be operated using the same controller. 

Applications

  • Early age unconfined compression strength test
  • Unconfined flexural and splitting tests by using proper accessories
  • Mortar (Cement) compression tests by using proper accessories
  • Unconfined core testing

Operation

  • Setting test parameters, including pace rate
  • Pressing the START button on the control unit
  • The machine automatically starts the rapid approach; switches the test speed after 1% of the load capacity of the machine, and stops once the specimen fails
  • Automatically saves the test parameters and results

Components

A complete compression test machine encompasses the following components:

  • Compression Frame- These are a heavy duty welded frame. Platens and distance pieces are also included in the frame, to adjust the system for different sample sizes.
  • Control System- The control system is fully automated. This means that a macro is created containing the require loading rate, sample size etc. Once started the test is automatic. The data from the test is also logged in the control system.
  • Power pack- this is a hydraulic two stage system with one motor to adjust the platens for rapid approach and another for the application of force during the test.

Four Column Automatic Compression Testing Machine Four Column Compression Testing Machines

We also supply an automatic machine with a 4 column testing frame available, used for high capacity testing where the stiffness of the testing frame is crucial. The compression machines consist of a heavy duty four column frame, automatic hydraulic power pack with data acquisition and control system.

Safety Features

  • Maximum pressure valves to avoid machine overloading
  • Piston travel limit switch
  • Emergency stop button
  • Front and rear transparent durable Plexiglass doors
  • Software controlled maximum load value

Technical Specifications

 Models  UTC 4031  UTC 4131   UTC 4231  UTC 4331
 Capacity  600 kN  1500 kN  2000 kN  3000 kN 

 Dimensions 

 (WxLxH) mm

 640 x 454 x 922   750 x 451 x 1104    790 x 453 x 1144   845 x 497 x 1204  

 Platen dimensions

 (Diameter) mm

 Ø165

 Ø310

 Ø310

 Ø310
 Flatness Tolerance   0.02 mm / 150 mm   0.025 mm / 150 mm 
 Vertical Clearance  340 mm  250 mm   250 mm   250 mm 
 Piston Diameter  150 mm   230 mm   250 mm   310 mm 

 Maximum piston

 movement

 50 mm   50 mm   50 mm   50 mm 
 Weight  613 kg   808 kg   895 kg   1117 kg 

Four Column Machines

 Model 

 UTC-5231   UTC-5331   UTC-5431   UTC-5531 

 Capacity 

 2000 kN   3000 kN   4000 kN   5000 kN 
 Roughness of Platens  ≤ 3.2μm 
 Platen Diameter   300 mm 
 Vertical Clearence  340 mm  520 mm 
 Piston Diameter   300 mm   350 mm   400 mm   420 mm 
 Maximum Piston Movement  50 mm   100 mm  120 mm 
 Horizontal Clearance   385 mm   445 mm   495 mm   515 mm 
 Power   750 W 
 Oil Capacity   20 L 
 Maximum Working Pressure    28 MPa   31 MPa   31.5 MPa   35 MPa 
 Frame   UTC-5720   UTC-5730   UTC-5740   UTC-5750 
 Power Pack   UTC-4830   UTC-4830   UTC-4840   UTC-4840 
 Frame Dimensions (mm)   660 x 660 x 1090   735 x 670 x 1140   805 x 710 x 1370   865 x 640 x 1155  
 Power Pack Dimensions   370 x 400 x 920   370 x 400 x 920   605 x 455 x 1015   605 x 455 x 1015 
 Frame Weight   1030 kg   1800 kg   2350 kg   3150 kg 
 Power Pack Weight   85 kg   85 kg   150 kg   150 kg 

Applicable Standards

  • AS 1012.9

  • EN 12390-3/12390-4

  • BS 1881

  • ASTM C39 

Accessories

  • An additional flexural frame can be connected to the hydraulic control system. Load rating are 100 kN, 200 kN and 300 kN. Switching between frames is simple, as it only requires switching a valve, and selecting the flexural option using the control system.
  • Additional software includes predefined settings that allow the user to control multiple testing frames to match the relevant standard. It also allows for the output of data in custom format to the users data management system of choice used to control the machine from computer and store data.
  • Optional part list for special tests and specimens; Block test platens, splitting tensile and distance pieces

Other Available Systems

Manual, Semi-Automatic hydraulic power packs are also available. UTEST also produce a range of advanced servo controlled Automatic Power Packs with proportional valve. 

Additional Information

2MN and 3MN Auto-Compression Machine Brochure

 

 

VIC:

Stuart McCurdy

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M: 0428 315 502

 

Monica Simhadri

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M: 0488 331 244

QLD:

Michael Dubery

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T: (07) 3040 6166

M: 0419 477 715

NZ:

Jun Han Lee

T: +64 9 377 6778

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M: +64 274 738 758

WA:

(Head Office)

T: (08) 9322 4020

Derek Burns

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M: 0498 800 373

Reuben Barnes

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M: 0408 034 668

NSW:

William Ward

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T: (02) 9453 9999

M: 0418 381 709

Warehouse / Service Centre

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T: (02) 9453 9941

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