News & Events

LINK Opens New Vehicle Test Center in Huangshan, China

Oct 2, 2017

On July 21st, 2017 LINK celebrated the grand opening of a new vehicle testing facility in Huangshan (Yellow Mountain), China. Huangshan is well known as a holiday destination for tourists around the world, but has recently become a major vehicle testing location due to its mixture of mountains, long straight highways, and intensive city infrastructure. LINK has been working in this area since 2014, and has found success in the growing market there. Huangshan is LINK’s second location in China, in addition to the company’s laboratory testing facility in Shanghai.

LINK is the first independent testing resource to open its doors in Huangshan, and will continue to support OEM’s and suppliers in their upgraded facility. The new 1,500 square meter space contains several vehicle hoists, vehicle bays, and holds a local inventory of data acquisition equipment and other vehicle testing tools. It also has full engineering and technical teams on hand to support turn-key vehicle test projects.

The opening ceremony for the new LINK facility was a 3 hour event that celebrated the growth of vehicle testing in Huangshan and in China. Members of the global LINK team, industry experts from OEM’s and tiered suppliers, local government officials, and international visitors were all in attendance to show their support. The event consisted of speeches from Technical Director Adam Link, Managing Director and Vice President of Asia John Mack, and Mayor of Huangshan Wang Weidong, followed by a ribbon cutting ceremony. Afterwards, guests were able to visit the test facility and enjoy lunch together. The ceremony was a great success, and showed LINK’s commitment to vehicle testing in Huangshan.

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Brakes

Type of TestTest HighlightsEquipment UsedExample Procedures
Chemical TestingMeasurement of copper, asbestos and other elements in brake friction materialsICP-OES / PLMJ2975
Materials TestingPhysical properties including quality control for friction, wear, compressive strain, shear strength, corrosion resistance, swell and growthChase Machine / Compressibility Machine/ Shear Machine / Corrosion Chamber / Environmental Chamber / OvenJ661, ISO 6310, ISO 6311, ISO 6312, ABNT NBR 9301, ABNT NBR 5505, ABNT NBR 5537, ASTM B117
Frequency ResponseComponent Frequency ResponseLaser Vibrometer Test StandSAE J2933, J3001, J2598, L-4375
Structural Fatigue and
Durability
Breaking strength, cyclic fatigueServo Hydraulics, Torque FlexJ2995, C419, C441, GMW18022
Caliper FingerprintingCaliper characteristics such as knockback, rollback, fluid displacement, deflection...Caliper Test Bench / Brake DynamometerL-4177, PF.90257
Brake Drag and DTVResidual drag, disc thickness variation, brake feel and vehicle fuel mileageOff Brake Drag Stand / Brake DynamometerJ2923, GMW14926, GMW14351, PF.90257, L-13080
PerformanceHydraulic, air and electric brakes, friction levels, stopping distance, corrosion, cleanability, brake torque variation, rotor cracking, regulation, stability control, coastdownBrake Dynamometer, Model 4000 DASJ2784, J2928 IS026867, GMW14985, PF.90210, PF.90244, L-405, FMVSS 121, FMVSS 122, FMVSS 105, FMVSS 135, FMVSS 126, FMVSS 136, ECE R13H, AMS
WearRotor wear, drum wear, lining wear, DTV, durability, city traffic, suburban trafficBrake Dynamometer, Model 4000 DASJ2707, USCT, L-423, PF.90244, Los Angeles, Detroit, Phoenix, Birmingham, Marquette
NVHBrake squeal during drag and decel events at different temperatures, pressure and torque levelsNVH Brake DynamometerJ2521, L420, 1430, GMW17427, PF. 90244
Brake EmissionsBrake dust particle size, count, concentration and massBrake DynamometerWLTP, CARB, Duty cycle

Hubs/Bearings

Type of TestTest HighlightsEquipment UsedExample Procedures
Wheel BearingWater intrusion and durability when exposed to mud and saltBearing Test StandLINK Hub and Bearing, GMW16306, GMW16310
Passenger car, sport/performance and open bed vehicle wheel bearing spallingBearing Test StandGMW16311, GMW16308, GMW16309
Brinelling resistance validates long-term reliability/durabilityBearing Test StandGMW16305
Rotary fatigue lifeRotary Fatigue MachineGMW16325
Wheel HubRotary bending fatigue life characteristicsRotary Fatigue MachineGMW14249
Hub/BearingEvaluate hub and bearing performance, durability, seals and NVH when exposed to extreme environmental effects such as temperature and mud/salt solutionBearing Test Stand/Rotary FatigueTIP-000037A, LINK Hub and Bearing, SAE J1095, LINK Impact
Hub FatigueHub fatigue using biaxial loadingBiaxial Test StandSAE J2562

Wheels

Type of TestTest HighlightsEquipment UsedExample Procedures
ChemicalEvaluates filiform corrosion on painted aluminum wheels and painted aluminum trimICP-OESASTM E3061
Wheel Corrosion and CoatingsEvaluates filiform corrosion, tape adhesion, degree of rusting on painted aluminum wheels and painted aluminum trimCorrosion ChamberSAE J2635, ASTM B368, ISO 9227,
ISO 2409, ASTM D3599,
ABNT NBR 11003, ASTM D610,
ASTM D1654
Wheel FatigueLoad simulation test of aluminum alloy wheelsBiaxialBMW QV36026, SAE J2562, FORD
L-307, GMW14340
Dynamic Cornering Fatigue and Dynamic Radial Fatigue - Steel wheelsEccentric Mass and RadialABNT NBR 6750
Rotational fatigue, Radial load fatigue and biaxial load fatigue of steel and aluminum wheelsEccentric Mass, Radial and BiaxialABNT NBR 6751
Dynamic Cornering Fatigue and Dynamic Radial Fatigue and Impact resistance of temporary use and normal highway use aluminum wheelsEccentric Mass, Radial and Drop TestABNT NBR 6752
Wheel Radial FatigueRadialGMW14909
Wheel ImpactWheel Inboard Rim Flange Vertical ImpactDrop TestGMW15321
Wheel radial impactDrop TestCETP 04.04-L300
Wheel Lateral ImpactDrop TestGMW14910, SAE J175
Wheel StiffnessFrequency Response Function (FRF)Frequency ResponseGMW14876
Deformation of the wheelServo HydraulicsJ2315
Center cap heat
resistance
Center Cap deformation under elevated temperature conditionsBench TestBrake Heat Center Cap

Tires

Type of TestTest HighlightsEquipment UsedExample Procedures
Parking ForcesAllows proper sizing of power steering componentsForce and MotionLINK Parking Forces
Tire FootprintDetermines the contact patch geometryForce and MotionTire Footprint
Tire Modeling
Determine tire inertia which is then used Ftire and other models and simulationsInertia MachineLINK Tire Inertial Properties
On-center parking effort test for Ftire inputForce and MotionSWP
Determine static stiffness (X, Y, Z, Alpha) for Ftire inputStatic Stiffness MachineSAE Static Stiffness
Determine how the tire envelopes an obstacleCleat MachineJ2731
Measure the forces and moments generated at a high frequency response spindle when the tire impacts a cleatCleat MachineJ2730
Braking and Cornering PerformanceDetermine the straight line braking performance of a tireForce and MotionJ2673
Determine the free rolling cornering properties of a tireForce and MotionSAE TIME, J1987, SWP
Measure the combined cornering and braking performance of a tireForce and MotionJ2675
Tire StiffnessMeasure rolling vertical stiffness of a tire at speedRolling Vertical Stiffness
Rolling ResistanceMeasure tire rolling resistance using a drumForce and Motion, Rolling ResistanceJ1269, J2452
Tire WearAssess tire wear in the labForce and MotionLINK Wear Test
Tire NVHTest tire sizzle, cornering noise, pass-by noise, steering wheel dither, freeze crack impacts, high speed uniformity and imbalance sensitivityForce and Motion, Dynamometer, Model 4000 DASNoise, Vibration, Harshness