SHUNMAO INSTRUMENTS
Instruments for friction, wear & lubrication.
Explore 35 instruments and accessories, organized by application. Open any product to view its individual page, capabilities and selected specifications.
Four-Ball Testers
5 models / items
Electro-Hydraulic Servo Four-Ball Tester
Evaluate lubricant load-carrying capacity and anti-wear performance under high point-contact pressure using sliding four-ball contact.
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Lever-Loaded Multifunctional Four-Ball Tester
A multifunctional four-ball platform for lubricant testing, with configurations for tapered-roller-bearing shear stability, rolling pitting and thrust-ball-bearing energy-consumption evaluation.
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Lever-Loaded Four-Ball Tester
Assess lubricant load-carrying capacity and long-duration anti-wear performance with a deadweight-and-lever loading system.
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Computer-Controlled Long-Duration Four-Ball Wear Tester
Evaluate long-duration lubricant anti-wear performance and friction coefficient at relatively low test forces. Additional fixtures support high-temperature railway diesel oil and metal wear studies.
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Hydraulically Loaded Four-Ball Tester
Evaluate lubricant load-carrying capacity and anti-wear performance under high point-contact pressure, including non-seizure load, weld load and long-duration wear tests.
View model details →FZG Gear Test Rigs
2 models / items
Multifunctional Gear Test Rig
Evaluate lubricant load-carrying capacity and investigate gear fatigue and scuffing behavior using a meshing pair of test gears.
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FZG Gear Wear Tester
A multipurpose gear tester for lubricant load-carrying capacity. Special configurations can be ordered for gear bending-fatigue and contact-fatigue testing.
View model details →Block-on-Ring Testers
4 models / items
High-Speed Block-on-Ring Tester
Investigate friction and wear of metallic and non-metallic materials using rotational or oscillating ring–block contact under controlled load, speed and temperature.
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Computer-Controlled High-Speed Block-on-Ring Tester
Evaluate lubrication performance of oils and greases, including simulated automotive gear-oil scuffing behavior, and study wear of solid lubricants, metals and non-metals.
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Computer-Controlled High-Speed Block-on-Ring Tester
A block-on-ring system for lubricant performance evaluation and friction and wear testing of metallic, non-metallic and solid lubricating materials.
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Timken-Type Block-on-Ring Tester
Evaluate extreme-pressure and scuffing behavior of lubricating oils and greases. The system also supports studies of aviation kerosene, coatings, metals and non-metallic materials.
View model details →Universal Tribometers
3 models / items
Computer-Controlled Vertical Universal Tribometer
Evaluate lubricant and material wear under sliding, rolling and combined motion. Optional contact pairs include pin-on-disc, four-ball, thrust washer, ball-on-disc and other research configurations.
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Computer-Controlled High-Load Universal Tribometer
A high-load platform for lubricant and material friction and wear evaluation. Optional pin-on-disc, four-ball, thrust-washer and tapered-roller-bearing configurations support different test requirements.
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Vertical Universal Friction & Wear Tester
A versatile platform for lubricant and material testing under sliding, rolling and combined motion. Contact fixtures can be selected to match research requirements.
View model details →Material Friction & Wear
8 models / items
Rolling Contact Fatigue & Wear Tester
Study contact-fatigue wear under rolling or combined rolling–sliding motion, with or without oil lubrication. Applications include materials for gears, bearings, rolls and rails.
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High-Temperature End-Face Friction & Wear Tester
Evaluate material friction and wear using end-face sliding contact between annular specimens under elevated load, at room or high temperature.
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Computer-Display Friction & Wear Tester
Test metallic and non-metallic materials under sliding, rolling, combined rolling–sliding and intermittent contact. Configurations support dry, wet and abrasive wear studies.
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Corrosion–Wear Tester
Study combined corrosion and abrasive wear as rotating specimens interact with particles suspended in a slurry containing a corrosive medium.
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Disc–Pin Friction & Wear Tester
A vertical-axis disc–pin tester for end-face sliding wear and friction-coefficient measurements of metallic and non-metallic materials, including plastics and nylon.
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High-Speed Pin–Ring Friction & Wear Tester
Study metal, non-metal and composite material friction using disc–pin and disc–ring configurations under dry or lubricated conditions.
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High-Temperature High-Speed Pin-on-Disc Tester
Evaluate friction and wear of metals, non-metals and composites while varying temperature, speed, load and contact-pair properties.
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Dual-Function Stick–Slip Tester
Study static friction, stick–slip mechanisms and lubricant anti-stick–slip performance under low-speed point-contact sliding.
View model details →Abrasive Wear Testers
4 models / items
Wet Rubber-Wheel Abrasion Tester
Evaluate material wear resistance against ore, sand, gravel and sediment in a wet rubber-wheel abrasion arrangement.
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Cemented-Carbide Abrasion Resistance Tester
Measure abrasion resistance using a rotating metal wheel and a water–abrasive mixture under a defined load. Applicable to cemented carbides and other metallic or non-metallic materials.
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Dynamic-Load Abrasive Wear Tester
A multipurpose system for investigating metallic material wear with dry or wet abrasives under different contact, lubrication and impact-loading conditions.
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Abrasive Wear Tester
Assess the wear resistance of metals exposed to solid abrasives such as ore, sand and sediment, and support abrasive wear-mechanism research.
View model details →Bearing & Seal Testing
4 models / items
Oscillating Bearing Friction & Wear Tester
Evaluate plain-bearing wear and life while varying load, oscillation frequency and angle. The system measures friction temperature and friction coefficient.
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Electro-Hydraulic Servo Bearing Tester
Evaluate the mechanical and wear performance of roller-cone drilling-bit bearings, supporting material-pair selection, lubricant evaluation and wear-mechanism studies.
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Computer-Controlled PV Friction Tester
Evaluate bearing materials such as plastics, powder-metallurgy materials and alloys under sliding contact, with drip lubrication or without oil lubrication.
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High-Speed Oil-Seal Tester
Simulate operating conditions of radial shaft oil seals for sealing-performance and service-life evaluation.
View model details →Lubricant Evaluation
2 models / items
Aviation Fuel Lubricity Tester
Evaluate aviation turbine fuel boundary lubrication using a standard ball–ring contact. Wear-scar size on the ball is used to assess lubricity under controlled conditions.
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Metalworking-Fluid Tapping Torque Tester
A tapping-torque test instrument for evaluating metalworking fluids.
View model details →Test Accessories & Measurement
3 models / items
Four-Ball Wear-Scar Measurement System
A CCD imaging system for measuring and documenting wear scars on test balls. The system combines a microscope, specimen holder, camera, computer, measurement software, scale and light source.
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Automatic Grease Delivery Unit
A grease supply accessory for Timken-type block-on-ring extreme-pressure testing, delivering grease through a distribution line to the test contact.
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Tapered-Roller-Bearing Shear-Stability Test Assembly
A tapered-roller-bearing contact assembly for assessing the viscosity shear stability of transmission lubricants using the KRL test method.
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