Thomson Industries, Inc.



Thomson Industries, Inc., invented and is the world leader in the design and manufacture of linear anti-friction Ball Bushing* bearings; RoundWay* roller bearings; 60 Case* LinearRace* shafts; ready-to-install RoundRail* systems; AccuGlide* and AccuMax* ProfileRail* linear guides; and Nyliner* engineered polymer bearings.

Linear Bearings
Up to six times the load capacity or 216 times the travel life of conventional linear bearings. Twice the load capacity or eight times the travel life of industry standard Thomson Super Ball Bushing* bearings. A precision super furnished, dual track bearing plate for optimum system smoothness and performance. A universal self-alignment feature, that compensates for misalignment of housing bores and 60 Case* LinearRace* shaft deflection, optimizes load distribution between ball tracks and assures uniform ball loading over the entire length of the bearing plate. Installation time and cost is minimized while bearing performance and life is maximized.
60-Case Linear Race Shafting
Longer Life Optimum Performance Greater Accuracy Manufactured in an ISO 9002 registered facility
Linear Motion Systems Linear Motion Systems
Standard system positioning accuracy is less than .002 inch per foot and standard repeatability is less than .002 inch. All SuperSlide Belt Drive Systems offer the Super Smart Ball Bushing bearings which provide up to six times the load capacity of conventional linear bearing based systems. The Turbo Module is designed to meet the most stringent motion control requirements. The steel cable reinforced toothed belt in the Turbo Module provides rapid motion control with quick responsiveness and high acceleration. Standard Ball Screw Assemblies are designed to easily mount to the carriage of Building Block System 1CC and can be modified to mount to any manually driven system. They are shipped in less than a week with special length assemblies shipped in less than two weeks. Thomson wafer elevators feature a smooth precision Ball Bushing* bearing type guidance system utilizing precision ground, hardened steel shafting that is available in stainless steel or high carbon steel plated for corrosion resistance.
Linear Guides
Manufactured in an ISO 9001 registered facility Greater lateral rigidity, yielding minimal deflection Maximum bearing element surface contact enables maximized rigidity and load capacity for use in extremely critical applications (i.e., machine tools) Roll pitch, and yaw moment capacity enables use in single rail/single carriage applications Better damping characteristics Available with the -ZZ Scraper Option AccuMax Roller Guides, AccuGlide Linear Guides, AccuGlide Miniature and AccuGlide T-Series
metric precision ball screw assemblies Industrial Ball Screws
Our ball screw assemblies provide trouble-free operation in more applications than any other ball screw manufacturer. We know how to design ball screw assemblies that meet your strict space and weight restrictions while providing years of superior performance. And, when a standard product will work, we can recommend stock assemblies that will fit your immediate need.
performance pak actuator Actuators
Performance Pak actuators provide dependable, repeatable linear actuation in a multitude of applications. They feature a compact design that combines the efficiency of a Thomson Saginaw ball screw with the reliability of an electric motor and gearbox. Clevis-to-Clevis mounting provides engineers with an easy-to-install, highly versatile product, that can be used in a wide range of applications. Digital Linear actuators provide high linear and rotational resolution with a complete integrated package.
Accutrue planetary gearheads True Planetary Gearheads
AccuTRUE* planetary gearheads are available in six sizes and two accuracy classes in ratios between 3:1 and 100:1. True Planetary* gearing provides torque capacities up to 27,000 in-lbs (3101 Nm) and backlash as low as 4 arc-minutes.

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