Barlok(tm) molded commutators expand the performance characteristics of mica molded commutator to the tough performance and service life requirements usually associated with steel and mica commutators. Custom designed fiberglass rings ensure maximum bar stability Unique design achieves maximum strength at high motor speeds Fiberglass rings and commutator bar design are custom engineered using a proprietary ….read more about Barlok™ Molded Commutators 
Carbon commutators are a relatively new product used in automotive fuel pumps which also have great potential for use in other applications. Kirkwood is the largest producer of quality carbon commutators. Our plant in Cleveland, Ohio provides customers with a variety of designs and industry leading technical support. Our carbon commutators offer these advantages: Resistance ….read more about Carbon Commutators 
Manufactured for specialized applications, copper commutators (or copper faced commutators) can allow for cost savings in instances where a full carbon commutator is not required. ….read more about Copper Commutators 
Cortem® conductive springs combine the strength and high temperature properties of steel with the conductivity of copper, providing an efficient brush spring and a functional current conductor. In many applications, eliminates need for a shunt In others, provides a parallel conductor to shunt for maximum reliability Increases brush performance by 20 to 30 percent Manufactured ….read more about Cortem Conductive Springs 
Expanded tang commutators are the preferred choice for medium volume, moderate sized motors typically dependent on mica molded commutators. The tang diameters are expanded outboard to allow a larger wire connection, while using a smaller brush track diameter. Commonly considered for motor designs that normally utilize mica molded commutators between 25mm and 75mm brush track ….read more about Expanded Tang Commutators 
We not only manufacture new commutators to meet your durability standards, we also rebuild them to stand up to the most punishing industrial conditions imaginable. All our steel and mica industrial commutators have an extremely versatile and durable construction that includes wedge shaped copper bars made from two grades of silver-bearing industrial copper, combined ….read more about Industrial Commutators 
At Techniques LLC, a Kirkwood Holding Inc company, our advanced milling and screw machines complex components can be manufactured more reliably and at less cost when compared with other manufacturing methods such as mold injection. Please see Techniques LLC’s web site for more information or to request a quote. ….read more about Machined Components 
Traditionally, high performance, high reliability commutator applications, like diesel truck starter motors, have used steel core commutator construction for strength and stability. Kirkwood continues to convert many of these demanding applications to mica molded construction. Provides a more economical product without sacrificing function Manufactured in diameters from 1/2″ to 9″, with and without risers Also ….read more about Mica Molded Commutators 
Kirkwood offers an extensive line of quality built molded shell commutators to meet your high volume, high performance criteria. Our molded air gap commutators are produced on automated lines or dedicated production cells for consistent quality. Produced from oxygen-free high conductivity copper containing 10 or more ounces of silver per ton Other copper alloys and ….read more about Molded Shell Air Gap Commutators 
The Nippert™ style precision built commutator is a highly refined version of conventional steel and mica commutator construction. Anchoring surfaces on copper and mica segments are machined to achieve a degree of precision that is impossible in punched part assemblies Unique processing also permits manufacture of commutators with relatively low bar counts without resorting to ….read more about Nippert Style Commutators 
We rebuild industrial commutators to stand up to the most punishing industrial conditions imaginable. All our steel and mica industrial commutators have an extremely versatile and durable construction that includes wedge shaped copper bars made from CDA116 industrial copper, combined with the highest quality mica available. This provides you with quality commutators that are “better ….read more about Rebuilt Industrial Commutators 
Large shell air gap commutators are used in high volume applications. Copper content and copper scrap are minimized Significant material savings available Commutator manufacturing highly automated, reducing direct labor costs Tang designs available Facilitate automatic armature processing Available sizes: 1-1/2″ and over in diameter Wide range of bar counts Segments available in: CDA 105 or ….read more about Shell Air Gap Commutators 
Kirkwood meets demanding slip ring specifications by offering a versatile range of quality slip ring leads, cores, insulation and rings, both new and rebuilt. We manufacture these products to standards or special project specifications, in molded or fabricated versions. We also manufacture alternator slip rings for the automotive market and aftermarket, both domestic and foreign. ….read more about Slip Rings |
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