Anything .Possible industry Catalog.pdf · Anything–.Possible . Neometrix Engineering (P) Limited A BRIEF Company Profile Neometrix Engineering Pvt. Ltd. is a complete engineering

TEST SYSTEMS FOR TRACTOR INDUSTRY

Control Valve Test Rig Motoring Test Bench Seat Test System TestPAC PressurePAC HPR Test Rig

Anything�.Possible

Neometrix Engineering (P) Limited

A BRIEF Company Profile

Neometrix Engineering Pvt. Ltd. is a complete engineering solutions company based in New Delhi/ NOIDA.

We specialize in CUSTOM BUILT High Technology Defence Engineering Solutions. We have expertise in various engineering domains like High Pressure Gas Systems, Hydraulics, Servo Hydraulics, ATF, Mechanical, Oxygen/ Helium (High Purity Gases), Electronics/ Electrical Test Benches, and Complete PC Based Automation Solutions. We have experts in Mechanical Engineering, Electrical/ Instrumentation Engineering, Software, Civil Engineering, Aeronautical engineering and other engineering fields. The company has a team of ~50 highly qualified graduate engineers and has an experience of more than 300 successfully delivered engineering systems/ projects. We are very closely working with Indian Air Force, Indian Navy, HAL, Indian Army, Defence Establishments (DRDO labs), nuclear establishments etc. The founders of the company are graduates from IIT Kanpur and the company remains very closely linked with IITs. We utilize the expertise available there as and when required. Neometrix is working with IIT professors on several consultancy projects. We take extensive consultancy support from IIT. Neometrix has an extensive VENDOR Base in NOIDA/New Delhi (NCR Region) and complete system integration is implemented at its NOIDA facilities. With such alliances and our own detail engineering capabilities, we are in a position to deliver state of the art world class Engineering Systems and services to our valued customers. Neometrix owns office facility of 10,000 sq. feet state of the art office infrastructure and 4500 Sq. feet factory shed.

CONTROL VALVE TEST BENCH FOR TRACTOR INDUSTRY

INDUSTRY - AUTOMOTIVE/TRACTORS

HYDRAULICS & SERVO HYDRAULICS / DAQ & DAS AUTOMATION APPLICATION - TESTING

PURPOSE: Control Valve Test Bench is used to Test the Control Valve of tractors for its performance.

The test rig may be used for endurance as per the specification required in assembly line.

Specification / Parameter Value

Maximum Working Pressure 230 Bar

Variable Flow (Using VFD) 5-46 LPM

VFD

(Variable Frequency Drive)

38 Amps (ABB-ACS-550)

Oil Cleanliness level Better Than NASS class

7

Heating Facility 8 KW

Air cooling capacity 4 KW (Heat)

Specification / Parameter Value

Max. working pressure 210 Bar

Flow 10 LPM & 100 LPM

Variable load facility 800-3000 kg

Air cooling capacity 4 KW (Heat)

UUT (Unit under Test) Hydraulic

System- max W.P- 230 Bar, Variable flow

0-46 LPM.

0- 3000 RPM VFD controlled 3-Phase

Electric Motor.

0- 3000 Kg Hydraulic Load facility for

Draw Bar Load Application.

Automatic load selection through

software.

Separate Hydraulic Power Pack for UUT

supply and hydraulic load and hydraulic

clamping of test Unit.

Three load selections and three flow

selections for different models.

Duplex filtration system for on line

maintenance of hydraulic filters.

Heater and air cooling system with PID

controller to maintain temperature of

hydraulic oil during testing.

PC based DATA Acquisition system for

on line data monitoring, storage and

reporting.

Hydraulic actuator L-M guide for

automatic precise positioning and

clamping of control valve inside the rear

cover assembly.

Facility to mount three different models

of Control valve on single test bed. It may

be customized or your requirement.

At a time only one Control valve could be

tested on test bed.

Digital as well as manual calibrated

linear slide facility to measure Hydraulic

Neutral, Spool Reversal and DEAD BAND

of Control Valves.

TEST BENCH SPECIFICATIONS

Hydraulic Power Pack for Test UUT (Unit under Test) Supply

Hydraulic Power Pack for

Loading Draw Bar & Hydraulic Clamps

Data Acquisition System




NOTE: test rig can be customized to cover your specific testing requirements.

S.No. Description of Test Acceptance

Criteria

Dropping check : check as per SOP 0-0.5 mm

1 Lifting check : check lift time @ 5 LPM flow

(Flow Corresponding to low engine RPM)

Normal lifting &

Lowering (Yes/No)

2 Lifting check: check lifting time in max raise position with 16 LPM flow.

600mm travel of drawbar at working pressure of 105 bar

2-3 second

3 Lift check at RV Pressure : Check with instant travel of PC lever from down to

up position (Pressure , Time, Frequency)

Normal lifting &

Lowering (Yes/No)

4 Self-raising check at 16 LPM Self-raising

(Yes/No)

5 Neutral pressure at raise position: Check neutral pressure at 3-4 incremental

raised position of position lever

8-12 bar

6 Dead Band :Spool reverse travel from raise position to neutral pressure

position

0.3 � 0.5 mm

7 Spool reverse travel from raise position to neutral pressure position 0.1-0.15mm

8 Inching effect from neutral to incremental lifting, Effect visible at lower links

at each incremental travel of spool in the following cycle: Spool neutral

position �X� to �X/0.5� mm to neutral & repeat continuously in multiple steps

Yes/No

9 Lowering time from max raise position ( with working pressure of 90 to 100

bar)

1 second

10 Instant holding from neutral to incremental lowering Yes/No

11 Leakage from weld plugs @ 180 bar holding Zero Leak (yes/No)

TESTS WHICH CAN BE PERFORMED ON THE TEST BENCH




Mounting Unit Below the rear cover

Hydraulic Power Packs:

Hydraulic Power Pack for Unit Supply.

Hydraulic Power Pack for Loading & Hydraulic

Electric Control Panel Stand

Emergency shutdown switch.

ON/OFF switches for all operations under operator.

Easily moveable stand.

Data Acquisition & Control System

Computerized data acquisition Control systems

of National Instrument for measuring & reporting of all the

parameter for test bench.

Control Panel:

Data Acquisition & Control System including the touch monitors.

DRO�s for digital display of process parameters.

PC based NI DATA Acquisition System with PCI Cards.

Application software spread sheets developed on NI based LabView Platform.

DAS includes latest PC, 17� touch screen TFT Monitor, Keyboard, Mouse and a

Printer, UPS.

Control Valve Test Bed

Combine test bed for 3 models of control valves.

Polycarbonate transparent covers for safety and visual inspection.

Linier slide with digital dial gauge for Dead Band Testing.

Hydraulic clamps to automatically tighten the assembly while testing.

TEST BENCH DETAILS (SUBSYSTEMS)




REAR COVER ASSEMBLY TEST BENCH FOR TRACTOR INDUSTRY


Specification Description

Max. working pressure 210 bar

Flow 10 LPM & 100 LPM

Variable load facility 800-3000 kg

Air cooling system 4 kw

Specification Description

Max. working pressure 230 bar

Variable Flow 5-46 LPM

VFD

(variable frequency drive)

38 Amps (ABB-ACS-

550)

Oil Cleanliness level Below NASS class 7

Heating Facility 4 kw

Air cooling system 4 kw

UUT (Unit under Test) Hydraulic System-

max W.P- 230 Bar, Variable flow 0-46 LPM.

0- 3000 RPM VFD controlled 3-Phase Electric

Motor.

0- 3000 Kg Hydraulic Load facility for Draw

Bar Load Application.

Automatic load selection through software.

Separate Hydraulic Power Pack for UUT

supply and hydraulic load and hydraulic

clamping of test Unit.

Three load selections and three flow

selections for different models.

Duplex filtration system for on line

maintenance of hydraulic filters.

Heater and air cooling system with PID

controller to maintain temperature of

hydraulic oil during testing.

PC based DATA Acquisition system for on

line data monitoring, storage and reporting.

Hydraulic Power Pack for

Loading & Hydraulic Clamping

Hydraulic Power Pack for Test Unit Supply

TEST BENCH SPECIFICATIONS




Description of Test Acceptance Criteria

Dropping check : check as per SOP 0-12 min

Lifting check : check lift time @ 5 LPM flow

(Flow Corresponding to low engine RPM)

Normal lifting &

Lowering

Lifting check: check lift time in max raise position with 16 LPM flow,600mm

travel of drawbar at working pressure of 105 bar

2-3 second

Lift check at RV Pressure : Check with instant travel of PC lever from down to

up position (pressure , time frequency)

Normal lifting &

Lowering

Self-raising check at 16 LPM Self-raising

Neutral pressure at raise position: Check neutral pressure at 3-4 incremental

raised position of position lever

3-8 bar

Tests which can be performed on the Test bench




Inching effect from neutral to incremental lifting, effect visible at lower links at

each incremental travel of spool in the following cycle: Spool neutral position

�X� to �X-0.5� mm to neutral & repeat continuously in multiple steps

Yes/No

Instant holding from neutral to increamental lowering Yes/No

Rear Cover Assembly Test Bed

Profile of matching the rear cover rests.

Heavy/Sturdy tank having magnetic catcher & SS tray for chip

removal.

Hydraulic Swing clamps to automatically tighten the assembly

while testing.

TEST BENCH DETAILS (SUBSYSTEMS)




Touch panel screen for ease of indication & controlling.

Two different systems provided one for gripping the rear

cover and other for loading.

Pressure control with unloading facility is provided.

Flow divider is used to feed actuators.

Data Acquisition & Control System

Computerized data acquisition Control systems of National

Instrument for measuring & reporting of all the parameter for

test bench.

Hydraulic Power Packs:

Hydraulic Power Pack for Unit Supply.

Hydraulic Power Pack for Loading & Hydraulic


Documents

Anything .Possible industry Catalog.pdf · Anything–.Possible . Neometrix Engineering (P) Limited A BRIEF Company Profile Neometrix Engineering Pvt. Ltd. is a complete engineering