- Karlsson Spools
Karlsson Spools AB is a Swedish-based manufacturer of spools for hydraulic valves that are used in
hydraulic machinery . More specifically, the spools are part of directional control valves where the spool slides inside a housing to route hydraulic fluid to mechanical components. Some examples of equipment that use hydraulic machinery are:Excavators ,forklifts and machinery used forlogging .The company manufactures spools in sizes ranging between 25-400 mm (1”-16”) length and diameters between 5-50 mm (.120”-2”). Tolerances of + 0.00075 mm (.000030”) can be obtained. The production line includes a range of steps including CNC
turning ,milling machines ,coining , deburring, inductionheat treatment andplating . However the tolerances are achieved mainly by means of high-precisiongrinding machine s. [CadQNews, feb 2005]Karlsson Spools produces approximately 4 million spools per year to customers in
Europe , theUSA ,Asia andSouth America . The company is located inSala, Sweden andKunshan ,China [http://www.swedfund.se/media/12210/faktablad%20_china.pdf] with a distribution centre inIndiana , USA. [http://www2.vastmanland.lst.se/filarkiv/pdf/ne/Slutrapport%20Vastmanland%201.1.pdf] [Sala Allehanda, april 3rd 1997]The company was established in 1955, as “Åke Karlsson Mekaniska AB”. Since 1988 is belongs to the
Grimaldi Industri Group.External links
* [http://www.karlssonspools.se/ Company website]
* [http://www.grimaldi.se/ Grimaldi Industri website]Notes
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