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Concrete Cylinder Grinder

UTC-1040Automatic Grinding Machine

UTC-1040

Plane and parallel surfaces can be easily achieved due to the fast grinding of specimen ends that the Automatic Grinding Machine provides. Cylinder specimens from Ø38mm to Ø150mm can be ground with suitable adaptors. Grinding Method can be used for all strength grades for reliable strength results.

Application

  • Concrete strength grade of 80 MPa or less, single end grinding achieves constant results.Acceptable-and-unacceptable
  • Concrete cylinders with double end grinding method gives constant compressive strength values for all strength grades.
  • Grinds planeness and parallelism of test cylinder ends in accordance with ASTM standards C31, C39, C-192, and EN 12390-3,12390-1, 12504-1.
  • Ready to use for 150 x 300 mm test cylinders and for 100 x 200 mm test cylinders (includes adaptor).
  • Automatic bi-directional radial displacement of the table. 

Automatic Operation

A Programmable Logic Controller (PLC) manages the machine and all its automatic controls. The PLC is essentially the grinding machine's brain, as it controls all its functions.
The PLC has input/output connectors for all the sensors, electromagnetic valves and other controls to be plugged into. Logical operations are executed by a program in the machine's internal memory. The program can be easily modified by a programmer if necessary.

Accessories

  • Adaptor for 100 x 200 mm test cylinders
  • Adaptor for 150 x 300 mm test cylinders
  • Adaptor for 150mm test cube
  • Diamond-grinding wheel included
  • User Guide

Features

• Control Box: Programmable Logic Controller
• Variable Speed Drive: The machine is equipped with three (3) variable speed drives which control the grinding machine's parameters, such as the grinding wheel oscillation speed and the table forward speed.
• Timer: The duration of the full cycle is controlled by the timer. The material hardness and cylinder diameter both determine how long the grinding time for each sample will be. The timer is set in seconds only.
• Emergency Button: When this emergency button is activated, all controls are inhibited and the machine cannot be restarted until the button is released.

Positioning of Cylinders

There are parameters that need to be taken into consideration before you set any cylinder into a compression test. Time and resources can be wasted when using a non-acceptable cylinder as this will give you a non-accurate test result. A cylinder grinder can easily fix this kind of setback.

Sample-adaptorThe sample adaptor (included) is placed on top of the displacement table.

It is important that the adaptor is positioned evenly with the main table not overhanging. Position up to three test cylinders (100 mm x 200 mm) on the adaptor, placing the samples so that the surface to be polished comes in contact with the grinding wheel. The vice must be tight before starting the machine.  If only one test cylinder needs to be polished, it should be positioned in the center of the adaptor. If just two test cylinders need to be polished, they should be positioned at each end of the adaptor.

ProcedureCylinders-in-grinder

Power Button: Activate the parameters
Speed selection: Select the table advancement speed for 100mm or 150mm cylinders
Timer: Set the cycle duration in seconds. We suggest 90 to 120 seconds per cycle, depending on hardness and diameter

Start:

  • The table moves backward to its original position
  • The grinding wheel motor starts.
  • The grinding wheel oscillation movement begins.Auto-Grinder-Control
  • The water inlet valve opens.
  • The table moves forward during the whole set period
  • The green indicator light turns on.

End of Cycles:

  • The timer has completed its cycle.
  • The table is stationary.
  • The grinding wheel continues to oscillate for 10-12 seconds
  • The table moves backward to its original position
  • During this backward movement, the water spray continues to clean the grinding wheel and the gutter.
  • The oscillation movement stops, positioning the grinding wheel in the middle.
  • Complete stop of the machine, the motors and the water inlet.
  • Turn the test cylinders over and repeat the cycle.

Technical Specifications

 Dimensions L x W x H (mm) 
 Weight  250 kg 
 Grinding Time per end  90 to 120 sec 
 Power  1850 W 
 Power supply  220V/10A/50Hz 
 PS Fuse OUT  3AG (Glass fuse) 
 L1 Fuse  20A class C 
Diamond-grinding wheel life 5000 Samples 
 Warranty  1 year parts and labour 

UTC-1010-1012

Concrete Sample Cutting Machine

UTC-1010,1020,1030

The UTC-1010,1020,1030 series of cutting machines has been specifically designed for the cutting of concrete, rock and natural stone cores and cylinders. Specimens are held in place by the block clamp. The system comes complete with 100mm dia V-clamp and water circulation pump. Blades are sold separately.

 

Technical Specifications

 Type  UTC-1010 (Small)  UTC-1020 (Junior)  UTC-1030 (Major) 
 Length  1100 mm  1100 mm  1300 mm 
 Width  600 mm  600 mm  700 mm 
 Height  750 mm  750 mm  950 mm 
 Max Cutting Dia.  110 mm  175 mm  250 mm 
 Cutting Length  700 mm  600 mm  650 mm 
 Engine Power  3hp/220V  5.5hp/220V  5.5hp/220V 
 Weight  75 kg  80 kg  90 kg 
 Engine for cutting with water  0.5hp/200V  0.5hp/200V  0.5hp/200V 

 

Melting Pot

UTC-1050 1UTC-1050 

The melting pot is used for the preparation of capping compound.  This is generally a Sulfur compound which is used to produce squared-off ends. The pot has a capacity of 3L and an Aluminium container in a well-lagged steel jacket. The pot is also supplied complete with a cover and a thermostatic ally controlled heating system. The heating system is capable of keeping a constant temperature of 200 deg C.

 

Technical Specifications

Dimensions 350 x 320 x 290 mm 
Capacity 3L 
Power Consumption 600 W 
Weight 9 kg 
 

Capping FrameUTC-1054

UTC-1054 

The Cylinder Capping Frame is used to ensure that the planned end surfaces are perpendicular to the axis of the cylinder. The frame comprises of a 75, 100, and 150mm dia base plate, making it useful for most samples including cylinders and cores.

 

Laboratory Core Trimmer and Cut-Off Machine

UTR-0300

ASTM D4543UTR-0300

The UTR-0300 takes irregular pieces of rock or core, and transforms them into perfectly machined shapes (cubes, prisms, etc.).

The machine includes a vice that holds the samples in place, and a second V shaped vice is then used to cut the cores to a maximum size of 75 mm diameter and 140 mm height. The samples can be turned upside down in the vice and this will produce longer cores. The machine includes a cooling water inlet. 

UTR-0300 for 60 Hz with 220 V or 100 V can be supplied.

Technical Specifications

 Dimensions  730 x 1050 x 590 mm 
 Weight (approx.)  100 kg 
 Power  1100 W 

Additional Information

Sample Preparation 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:

T: (02) 9453 9999

William Ward - NDT / Instruments

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M: 0418 381 709

Jeshwin Mohan - Lab / GPR 

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M: 0487 043 466

Warehouse / Service Centre

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T: (02) 9453 9941

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