Engineering trouble-shooting and analysis, repair and service, and manufacturing babbitt bearings for turbine and generators operating in nuclear power stations in North America, Western and Eastern Europe, Korea and South America;. Turnkey custom-designed and manufactured large vertical guide and thrust bearings to solve problems in older existing machinery and new equipment at hydroelectric plants in North America;.
Our proprietary Fluid Pivot technology for tilting pad radial babbitt bearings for high speed lightly loaded rotating machinery or, in larger sizes and in the "JS" configuration, as an ideal solution for a steady rest bearing or any application requiring superior bearing dynamic alignment;.
Providing manufacturing and repair services to the U.S. Navy and its major subcontractors since World War II, for nuclear aircraft carriers and submarines, frigates, destroyers and, in alliance with Michell Bearings of the U.K., for the Navy's newest class: the Littoral Combat Ships (The Freedom variant).
Our proprietary Fluid Pivot technology for tilting pad radial babbitt bearings for high speed lightly loaded rotating machinery or, in larger sizes and in the "JS" configuration, as an ideal solution for a steady rest bearing or any application requiring superior bearing dynamic alignment;.
Providing manufacturing and repair services to the U.S. Navy and its major subcontractors since World War II, for nuclear aircraft carriers and submarines, frigates, destroyers and, in alliance with Michell Bearings of the U.K., for the Navy's newest class: the Littoral Combat Ships (The Freedom variant).
Services
Founded in 1920 and still owned by the same family, Pioneer has a tradition of excellence, stability, and customer service.
Our mission is to provide OEMs and end users with the optimum solutions to their bearing requirements, on time and within budget.
Pioneer offers expert engineering services.
Our engineers have "seen it all" and can work with you to design efficient and cost effective solutions to your bearing problems.
Among our many accomplishments, we invented and hold the patent on the Fluid Pivot tilting pad journal bearing.
Our mission is to provide OEMs and end users with the optimum solutions to their bearing requirements, on time and within budget.
Pioneer offers expert engineering services.
Our engineers have "seen it all" and can work with you to design efficient and cost effective solutions to your bearing problems.
Among our many accomplishments, we invented and hold the patent on the Fluid Pivot tilting pad journal bearing.
As an eight year old orphan, my grandfather, Adrian P. ("A.P.") Bardet, immigrated to the United States from France in 1903.
Arriving in San Francisco to be raised by his aunt, grandpa graduated from a technical high school, served a 4-year journeyman machinist apprenticeship, and thereafter worked at a reputable "iron works" in the City, building and overhauling industrial machinery for the gold and silver mines still operating in the California foothills of the Sierra Nevada Mountains and in Nevada.
Arriving in San Francisco to be raised by his aunt, grandpa graduated from a technical high school, served a 4-year journeyman machinist apprenticeship, and thereafter worked at a reputable "iron works" in the City, building and overhauling industrial machinery for the gold and silver mines still operating in the California foothills of the Sierra Nevada Mountains and in Nevada.
Our technical expertise, technology and experience in the field of fluid film bearings and seals define us.
But we're not trying to justify a particular technology for its own sake.
Our theoretical knowledge is enhanced and influenced by what we've observed over the decades in our manufacturing and repair departments.
From our heritage of manufacturing large bearings for and designed by power generation OEMs, we've learned to seek "value engineering" opportunities in our own designs.
We strive to avoid unnecessary costs.
But we're not trying to justify a particular technology for its own sake.
Our theoretical knowledge is enhanced and influenced by what we've observed over the decades in our manufacturing and repair departments.
From our heritage of manufacturing large bearings for and designed by power generation OEMs, we've learned to seek "value engineering" opportunities in our own designs.
We strive to avoid unnecessary costs.
Visual and UT inspection of damaged bearings to determine the necessity of repairs or re-scraping of shoes.
We have provided engineering analysis & technical services on site at nuclear power plants in North America, South America, Asia and Europe, assisting OEM field service engineers and power plant maintenance personnel.
Eletronuclear's Angra 2 Nuclear Power Plant-Angra 2 operates with a pressurized water type reactor (PRW) rated at 1,350 MW.
For a week on site near Rio de Janeiro, Brazil, at Eletronuclear's nuclear power plant Angra 2, we provided damage evaluation and root cause determination support for the upper guide bearings of reactor coolant pumps.
We have provided engineering analysis & technical services on site at nuclear power plants in North America, South America, Asia and Europe, assisting OEM field service engineers and power plant maintenance personnel.
Eletronuclear's Angra 2 Nuclear Power Plant-Angra 2 operates with a pressurized water type reactor (PRW) rated at 1,350 MW.
For a week on site near Rio de Janeiro, Brazil, at Eletronuclear's nuclear power plant Angra 2, we provided damage evaluation and root cause determination support for the upper guide bearings of reactor coolant pumps.
Bearing pads relying on mechanical pivots for their mobility are vulnerable.
The pivots can crack or fracture.
If they fail entirely you may have to stop your machine.
Even if they don't fail, mechanical pivots wear in contact with the surface of the bore of the bearing shell at high speed under vibration.
Pivot fretting opens up the bearing clearance, which reduces the original stiffness and damping characteristics you paid for, resulting in increased vibration.
Our original Fluid Pivot JC tilting pad bearing (pictured above) eliminated these problems over 30 years ago by eliminating mechanical pivots.
The pivots can crack or fracture.
If they fail entirely you may have to stop your machine.
Even if they don't fail, mechanical pivots wear in contact with the surface of the bore of the bearing shell at high speed under vibration.
Pivot fretting opens up the bearing clearance, which reduces the original stiffness and damping characteristics you paid for, resulting in increased vibration.
Our original Fluid Pivot JC tilting pad bearing (pictured above) eliminated these problems over 30 years ago by eliminating mechanical pivots.
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