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Visit LINK at the 2015 SAE Brake Colloquium and Exhibition

Sep 16, 2015

From October 4 through October 7, LINK will be exhibiting at the 2015 SAE Brake Colloquium and Exhibition. The event takes place at the Charleston Area Convention Center in Charleston, South Carolina. We welcome you to visit our booth and talk to our team about your...

Product Spotlight: LINK Model 3945 Road Load Simulator

Sep 16, 2015

This week's product spotlight is on the LINK Model 3945 Road Load Simulator. The Road Load Simulation System replicates road loads for brake tests. The system has the flexibility to impose fixed or dynamic loading during noise, judder, Disc Thickness Variation and...

Introducing the Model 2000 Dynamometer

Aug 25, 2015

We are proud to officially announce the introduction of the Model 2000 Friction Standard Dynamometer to the LINK dynamometer lineup. The Model 2000 is a full inertia dynamometer designed specifically to conduct the most commonly run global test procedures for brake...

Product Spotlight: ProLINK RegenSIM

Jul 28, 2015

This week's Product Spotlight is the LINK RegenSIM, which is a software add-on to ProLINK. RegenSIM has the capability to simulate regenerative braking conditions on inertia brake dynamometers. This add-on also enables the ProLINK control system to act as a vehicle's...

Product Spotlight: LINK Telemetry System

Jul 14, 2015

This week's LINK Product Spotlight is our Telemetry System for the wireless transfer of data of both temperature and speed gauge bridge type torque transducers on a test vehicle. The system eliminates the need for and avoids the shortcomings of slip rings and external...

Link Engineering Will Be Exhibiting at the 2015 China Friction & Sealing Material Association Show

May 19, 2015

Plymouth, MI - Link Engineering will be exhibiting at the China Friction & Sealing Material Association Show from May 28th to May 29th. Please stop by our booth to get more information about a variety of LINK's products. LINK will be featuring video on the LINK Shapix...

Link Engineering Delivers two Aerospace Dynamometers to Safran Messier-Bugatti-Dowty

Apr 29, 2015

Plymouth, MI - Link Engineering and Safran Messier-Bugatti-Dowty (Safran MBD) are celebrating the arrival of two new Model 6900 Aircraft Dynamometers in Villeurbanne of Lyon, France. This marks the first, and hopefully and the beginning, of many partnership programs...

Link Engineering Announces LINK ShaPix

Apr 29, 2015

Plymouth, MI- Link Engineering is proud to announce that it has partnered with Coherix to produce the ShaPix 1500Series 3D analyzer. When accuracy and quality is important, the LINK ShaPix provides a solution that measures the wear, profile, flatness and waviness of...

Link Engineering Announces the New Residual Drag Tailstock

Apr 1, 2015

Link Engineering announced the new Model 5002 Residual Drag Tailstock system. The new system provides an increased drag torque full scale range of 70 N•m, and over 5000 N•m of dynamic torque while braking. The Model 5002 Residual Drag Tailstock provides the ability to...

Commercial Vehicle Brake Paper

Jul 30, 2012

SAE International announced that the paper from the 2012 SAE World Congress titled "Application of Air Brake Performance Relationships in Accident Reconstruction and Their Correlation to Real Vehicle Performance" (2012-01-0609), has been accepted for publication in...

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 Durability	Breaking 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
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

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
Wheel Stiffness	Deformation of the wheel	Servo Hydraulics	J2315
Center cap heat resistance	Center Cap deformation under elevated temperature conditions	Bench Test	Brake Heat Center Cap

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

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