On February 14th and 15th, several members of the LINK North America Test Operations met for a two-day Value Stream Mapping workshop. A System Matter Expert in lean operating principles from the Michigan Manufacturing Technology Center was on hand to facilitate the...
Link Engineering Company hosted its international sales team in Plymouth, MI for the annual Global Sales Meeting this March. Our diverse sales teams, representing eight different countries, come together annually to join in this strategic workshop. The teams...
The holiday season is upon us and one of the best ways to celebrate is by giving back! We want to share two wonderful charities that are close to the hearts of LINK’s team members. Several LINK employees have taken special interest in Packages from Home, as well as a...
We are truly grateful for the support, collaboration and strong bonds we have with our customers and partners around the world. We have been afforded a successful and exciting year in 2016 due to our relationships with each of you. LINK continues to invest and focus...
As part of Hunger & Homelessness Awareness Week, Terry Woychowski, a LINK executive, will participate in the Covenant House of Michigan’s Executive Sleep Out. This sleep out will be held on the streets of Detroit, MI on November 17, 2016. Covenant House helps...
Stan Kwiatkowski, a talented, dependable, and kind-hearted co-worker, passed away Monday, October 3, 2016 at the age of 62. Stan is survived by his wife Barbara and his four children Sebastian, Patricia, Lesley and Christopher. Stan, born in Poland, moved to the...
September was a busy month at LINK. We had ribbon cutting ceremonies, dynamometer installations, and exhibited at multiple tradeshows. Whether it is in the United States, Europe, Asia, or South America, we are striving to expand our industry involvement and customer...
LINK will exhibit at the 34th annual SAE 2016 Brake Colloquium & Exhibition this September 26-27th. The event consists of panel discussions and exhibitions, offering the latest information and innovations in brake technology. We are excited to announce that...
Jim Villella, a retired veteran and current Link Arizona employee, is the author of a book on success titled Creating and Maintaining Success: “Success is a process, must be earned, and is not a given”. The book shines light on 15 successful people of different...
The past couple of years have been an exciting time for Link Engineering Company in China. Through our experience and dedication, we created one of the best testing Laboratories in Asia Pacific in terms of Equipment, Testing and Support. As always, our customer’s...
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Type of Test Test Highlights Equipment Used Example Procedures
Chemical Testing Measurement of copper, asbestos and other elements in brake friction materials ICP-OES / PLM J2975
Materials Testing Physical properties including quality control for friction, wear, compressive strain, shear strength, corrosion resistance, swell and growth Chase Machine / Compressibility Machine/ Shear Machine / Corrosion Chamber / Environmental Chamber / Oven J661, ISO 6310, ISO 6311, ISO 6312, ABNT NBR 9301, ABNT NBR 5505, ABNT NBR 5537, ASTM B117
Frequency Response Component Frequency Response Laser Vibrometer Test Stand SAE J2933, J3001, J2598, L-4375
Structural Fatigue and
DurabilityBreaking strength, cyclic fatigue Servo Hydraulics, Torque Flex J2995, C419, C441, GMW18022
Caliper Fingerprinting Caliper characteristics such as knockback, rollback, fluid displacement, deflection... Caliper Test Bench / Brake Dynamometer L-4177, PF.90257
Brake Drag and DTV Residual drag, disc thickness variation, brake feel and vehicle fuel mileage Off Brake Drag Stand / Brake Dynamometer J2923, GMW14926, GMW14351, PF.90257, L-13080
Performance Hydraulic, air and electric brakes, friction levels, stopping distance, corrosion, cleanability, brake torque variation, rotor cracking, regulation, stability control, coastdown Brake Dynamometer, Model 4000 DAS J2784, J2928 IS026867, GMW14985, PF.90210, PF.90244, L-405, FMVSS 121, FMVSS 122, FMVSS 105, FMVSS 135, FMVSS 126, FMVSS 136, ECE R13H, AMS
Wear Rotor wear, drum wear, lining wear, DTV, durability, city traffic, suburban traffic Brake Dynamometer, Model 4000 DAS J2707, USCT, L-423, PF.90244, Los Angeles, Detroit, Phoenix, Birmingham, Marquette
NVH Brake squeal during drag and decel events at different temperatures, pressure and torque levels NVH Brake Dynamometer J2521, L420, 1430, GMW17427, PF. 90244
Brake Emissions Brake dust particle size, count, concentration and mass Brake Dynamometer WLTP, CARB, Duty cycle
Type of Test Test Highlights Equipment Used Example Procedures
Wheel Bearing Water intrusion and durability when exposed to mud and salt Bearing Test Stand LINK Hub and Bearing, GMW16306, GMW16310
Passenger car, sport/performance and open bed vehicle wheel bearing spalling Bearing Test Stand GMW16311, GMW16308, GMW16309
Brinelling resistance validates long-term reliability/durability Bearing Test Stand GMW16305
Rotary fatigue life Rotary Fatigue Machine GMW16325
Wheel Hub Rotary bending fatigue life characteristics Rotary Fatigue Machine GMW14249
Hub/Bearing Evaluate hub and bearing performance, durability, seals and NVH when exposed to extreme environmental effects such as temperature and mud/salt solution Bearing Test Stand/Rotary Fatigue TIP-000037A, LINK Hub and Bearing, SAE J1095, LINK Impact
Hub Fatigue Hub fatigue using biaxial loading Biaxial Test Stand SAE J2562
Type of Test Test Highlights Equipment Used Example Procedures
Chemical Evaluates filiform corrosion on painted aluminum wheels and painted aluminum trim ICP-OES ASTM E3061
Wheel Corrosion and Coatings Evaluates filiform corrosion, tape adhesion, degree of rusting on painted aluminum wheels and painted aluminum trim Corrosion Chamber SAE J2635, ASTM B368, ISO 9227,
ISO 2409, ASTM D3599,
ABNT NBR 11003, ASTM D610,
ASTM D1654
Wheel Fatigue Load simulation test of aluminum alloy wheels Biaxial BMW QV36026, SAE J2562, FORD
L-307, GMW14340
Dynamic Cornering Fatigue and Dynamic Radial Fatigue - Steel wheels Eccentric Mass and Radial ABNT NBR 6750
Rotational fatigue, Radial load fatigue and biaxial load fatigue of steel and aluminum wheels Eccentric Mass, Radial and Biaxial ABNT NBR 6751
Dynamic Cornering Fatigue and Dynamic Radial Fatigue and Impact resistance of temporary use and normal highway use aluminum wheels Eccentric Mass, Radial and Drop Test ABNT NBR 6752
Wheel Radial Fatigue Radial GMW14909
Wheel Impact Wheel Inboard Rim Flange Vertical Impact Drop Test GMW15321
Wheel radial impact Drop Test CETP 04.04-L300
Wheel Lateral Impact Drop Test GMW14910, SAE J175
Wheel Stiffness Frequency Response Function (FRF) Frequency Response GMW14876
Deformation of the wheel Servo Hydraulics J2315
Center cap heat
resistanceCenter Cap deformation under elevated temperature conditions Bench Test Brake Heat Center Cap
Type of Test Test Highlights Equipment Used Example Procedures
Parking Forces Allows proper sizing of power steering components Force and Motion LINK Parking Forces
Tire Footprint Determines the contact patch geometry Force and Motion Tire Footprint
Tire Modeling
Determine tire inertia which is then used Ftire and other models and simulations Inertia Machine LINK Tire Inertial Properties
On-center parking effort test for Ftire input Force and Motion SWP
Determine static stiffness (X, Y, Z, Alpha) for Ftire input Static Stiffness Machine SAE Static Stiffness
Determine how the tire envelopes an obstacle Cleat Machine J2731
Measure the forces and moments generated at a high frequency response spindle when the tire impacts a cleat Cleat Machine J2730
Braking and Cornering Performance Determine the straight line braking performance of a tire Force and Motion J2673
Determine the free rolling cornering properties of a tire Force and Motion SAE TIME, J1987, SWP
Measure the combined cornering and braking performance of a tire Force and Motion J2675
Tire Stiffness Measure rolling vertical stiffness of a tire at speed Rolling Vertical Stiffness
Rolling Resistance Measure tire rolling resistance using a drum Force and Motion, Rolling Resistance J1269, J2452
Tire Wear Assess tire wear in the lab Force and Motion LINK Wear Test
Tire NVH Test tire sizzle, cornering noise, pass-by noise, steering wheel dither, freeze crack impacts, high speed uniformity and imbalance sensitivity Force and Motion, Dynamometer, Model 4000 DAS Noise, Vibration, Harshness
