Compression Testing Machine (Channel Type Load Frame) Hand Operated
IS 516, BS 1881 Specification:
In these load frames "C" channels are used, they are welded at the top as well as bottom and with stand high loads. A hydraulic jack is fitted at centre of the base of the load frame, over which can be fitted lower platen and spacer block with the help of centering pin. A lead screw passes through the top of the frame. To the lower end of this lead screw is fixed the upper platen with spherical seat for self alignment. The platens are accurately machined, hardened and polished. The lower platen grooves to correctly place the specimen. Note: The platens are normally rectangular on shape, but no special request square platens or circular platens can be supplied at an extra cost. Ranges: 50 kN to 2000 kN
Compression Testing Machine (Four Pillar) Hand Cum Electrical Operated
IS 516, BS 1881 Specification:
The load frame is made up of high quality steel
construction with a fixed. Upper lead carrying a ball seated
platen. 4 pillars are fixed to the base and the top plate of the
loading frame. The upper and lower plates are adjusted with
the help of head screw on either side of the pillar. The ram dia of
the machine varies from the requirements of the customer. The
lower pattern are at the base of the frame above the ram and it is
rectangular in shape. Sufficient clearance is provided
between the platens to fit in the cylindrical/ cube moulds.
Spacer provided to adjust cubes and cylinders. A 20 cm
dia pressure gauge with maximum load induction pointer is
fitted on the top panel and in turn is connected to the
hydraulic pressure pipe. On the right hand a console is fitted
within which the electrical motor is fitted alongwith its coupling
which inturn is connected to the pumping unit. A slow / fast
loading rate regulator fixed on the top of the console for
adjusting the rate of loading. The machine is duly calibrated
and passed after inspecting and analyzing it with a
compression level indicator is provided as a dip stick.
IS 516, BS 1881
The Flexure Strength Testing are designed to test flexural
strength of concrete beams. The design provide
maximum rigidity throughout their working range.
The load is applied by the downward movement of the piston.
A spacer is for testing different size of beams.
The load is indicated on a calibrated bourdon tube type load
gauge of range: 0 - 100 kN x 0.5 kN (0- 10,000 kgf x 50 kgf).
The load gauge is calibrated against National Council for
Cement and Building Materials Certified Proving Ring. Flexure Testing Machines
Light weight, rugged high strength frame
Double action hydraulic pump
Self-aligning roller assembly
Hydraulic jack provided with retraction spring
For testing beams of 100 x 100 x 500mm and 150 x 150 x 700mm
Conforms to IS 516, BS 1881 and ASTM C 78 Two Models
are available.
ASTM C 293, ASTM C 496, ASTM C 78, EN 12390-5, EN 12390-6, EN 1338, EN 1340
Flexural frame for above machine connected to the automatic pump 100 kn capacity
General Properties:
The Entek Automatic range of 100 kn capacity flexure testing
machines have been designed to meet The need for reliable
and consistent testing of flexural test on standard concrete
beams, transverse Test on kerbs and flagstones, indirect
tensile tests on concrete and interlocking pavers.
Entek flexural machines consist of their main part; frame.
Each part has been designed to manufacture Machines
with a high degree of mechanical stability and complies
with EN 12390-5, EN 12390-6, EN 1338, EN 1340,
ASTM C78, C293 and C496 by
choosing suitable accessories.
Frame:
The versatile load frame is designed for minimum
deflection at maximum load resulting in very high
accuracy. The load frame is welded steel fabrication
carrying the ram fitted to the upper crosshead.
All frames have a single acting down stroking ram with over
travel switch protection to shut the machine down should
maximum ram travel be reached. The return of the ram is
done by dead weight to get maximum accuracy on the
load measurement. The load cell is
used for load measurements. All flexural frames have been
designed to accept all the accessories for flexural and
transverse tests. Both frames can be connected to any
compression machine as a second frame.
ASTM C39; AASHTO T22; ISO EN 7500, EN 12390-4
The Entek Semi-Automatic (Motorized) range of 2000 kN and 3000 kN
capacity compression testing machines have been designed for reliable and
consistent testing of a wide range of specimens. These compression testers
are manufactured as a result of continuous research studies to upgrade the
machines with the latest technologies to conform with the latest standards
EN 12390-3, 12390-4, BS 1881 in terms of its technical properties taking into account the client requirements. These machines
also meet the requirements of CE norms with respect to the health and safety of the operator. And their user-friendly design enable an
inexperienced operator to perform the test.
Conforming to Testing Procedures laid down in IS: 516/IS: 4031: Part
6: 1988/ASTM C39 for concrete specimen.
Machine conforming to IS: 14858.
Menu Driven Interface
Facility to perform various operations such as TARE, PROGRAMMING,
START, STOP Etc. from touch panel display
Programmable rate of loading (Pace rate) and sample parameters
(Shape, Dimension etc.) through touch panel display
Standalone system to operate the machine (Start, stop and hold)
without computer
Microprocessor based touch panel graphic display to control the
machine operation and display of data
Fully automated operation to start, stop and hold loading with
automatic pace rate control from 1-10 kN/sec..
Automatic strength calculation and display
Automatic pace rate control at preset value with pace deviation bar.
On-Line display of Load and Peak load with recording of peak load
along other sample details
Peak stress calculation based on sample type, shape and dimensions
Inching/fast lift operation to adjust gap between sample and upper
platen.
Safety limits for Over Load and Over Displacement ranges.
Configurable Engineering Units for machine selection
Storing of results in user defined file with sample parameter and
other details
Real time clock check to keep automatic track of the date, time and
runs
Test results can be stored in the electronic unit with unique record
no. and can be retrieved and transferred to USB drive for printing
Transmission of Data to computer through Ethernet/USB/RS232 Port.
Supplied complete with two additional channel for Strain Gauges. Strain
Gauges are not part of the supply. The complete system consists of Load
Frame, Hydraulic Pumping Unit, Microprocessor based touch panel display
and control system & various height spacers to accommodate different
size specimen.
Load Frame
Capacity : 1000kN
Max. Ram travel : 50 mm
Day Light clearance : 340 mm
Horizontal clearance : 350mm
Size of platen : 256 mm
Hydraulic Pumping System
Hydraulic pumping system, housed in an elegant console for low
noise, consists of multi plunger pump driven by a suitable servo
motor operated on 220 V, Single Phase, 50 Hz.
The pump gives a continuous non-pulsating oil flow to the ram of
the loading frame.
Entek make CE certified fully automatic compression
testing machine 1000 kn / 2000 kn / 3000 kn capacity
with all distance platens for 150 mm cube/100 mm
cube 150 x 300 mm cylinders, software.
General properties:
The automatic range of 3000 kn capacity compression testing
machines has been designed to meet the need for reliable and
consistent testing of concrete samples.all Entek machines
feature the complete automatic test cycle with a closed
loop digital readout. Once the specimen parameters
have been introduced, it is sufficient to press the start
button to complete the test. Entek compression machines
consist of their main parts: frame, power pack and data
acquisition & control system. Each part has been designed to
manufacture machines with a high degree of mechanical
stability and complies to EN 12390-4, BS 1881 and
ASTM C39 (with suitable platen set)
Frame:
The load frame is a welded steel fabrication carrying the ballseated
upper platen. Positively located on the loading ram
which is protected from debris by a cover, the lower platen is
marked for the centering of cube and cylinder specimens. The
dimensions of the frame allow the testing of concrete
cylinders up to 320 mm long x 160 mm diameter; 100, 150
mm cubes. All machines are supplied complete with 30 mm,
50mm and 90 mm distance pieces. To test samples shorter
than 150 mm extra distance pieces should be ordered. All
machines are supplied with flexi glass front and rear
removable safety doors. All frames have a single acting
upstroking
ram with over travel protection to stop the motor when the
maximum platen travel be reached.
Hydraulic Jacks have multipurpose utility, i.e. application of loads while engaged
in field investigation, determination of load carrying capacity of piles in the field,
tensioning of wires in pre-stressed structures, loading of members of any structure for
deformation characteristics etc. The jacks are supplied complete with manually operated
pumping units fitted with bourdon tube type load gauge and high pressure flexible hose
pipe. All the jacks have a piston travel of 50 mm and jacks upto 1000 kN capacity are
provided with retraction springs.
Note: Piston Travel upto 150 mm can be provided on request.
Standard:-lS516 (part 1/ Sex 1): 20021/516 (part 4):2018/IS 15658:2021 for concrete cubes, core & concrete paving block specimen.
Machine conforming to IS 14858-2000, EN 12390 4, ASTM C39, AASHTO T22
Fully Automatic Compression Testing Machine 2000 kN
Compression testing machine shall be fully automatic, controlled through touch panel based electronic display system as well computer through software. related to the size of the specimen and the expected load, and capable of providing the rates of loading prescribed in IS 516.Compression testing machine 2000 kN capacity with Servo Controlled based and automatic pace rate controller. Machine includes the features given is lS 14858-2000 (reaffirmed 2005).
In particular, the portable units, which are small in dimensions, sturdy and light in weight, make quality control testing possible in areas where commercial testing facilities are not available and where the transportation of larger and much heavier machines would be difficult. ENTEK Compression Testing Machines conform to IS: 14858(2000) and calibrated with an accuracy of± 1 % as per the requirement of 1828(Class1).
Loading Frame Unit:-
The loading unit is of fully welded construction having top crosshead, base and solid side plates.
The precession ground hydraulic piston is fixed to the base and the platens of the machine are hardened, ground and polished.
Front Cover provided as a protection to the operator while at the same time giving an unobstructive view of the specimen under test.
Hydraulic Pumping Unit:-
Hydraulic pumping system, housed in an elegant console for low noise, consists of multi plunger pump driven by a suitable motor operated on 220-240 Volts AC, 50Hz, single phase.
Pump gives a continuous non pulsating oil flow to the ram of the loading frame.
Pressure switch is provided for additional safety against precise control over load.
Release valve is also placed at a convenient location to release the load manually after sample failure if automatic system not working.
Digital Control Unit:-
Manual control from 1 KN/Sec to 20 KN/Sec
Control Chanel- Load/Stress
Microprocessor based touch panel graphic display to control the machine operation and display of data.
Real time display of load and peak load value with pace rate deviation bars.
Real time display of load and peak load value with pace rate deviation bars.
Inching/fast lift operation to self-aligning between sample and upper platen.
Automatic strength calculation and display.
Peak stress calculation based on sample type, shape and dimensions
Storing of results in user defined file with sample parameter and other details
Transfer of results sheet to USB drive for printing and further analysis.
Safety Limits for over load and over load and over displacement ranges.
2% Overload facility to calibrate the machine upto full capacity.
Multifunction keyboard with facility of start, stop, & reset.
Microprocessor based electronic display - 6� touch Screen with automatic pace rate heaving features:-