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 for logging.
The company manufactures valve 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, induction heat treatment and plating. However the tolerances are achieved mainly by means of high-precision grinding machines.[1]
Karlsson Spools produces approximately 4 million spools per year to customers in Europe, the USA, Asia and South America. The company is located in Sala, Sweden and Kunshan, China [2] with a distribution centre in Indiana, USA.[3][4]
The company was established in 1955, as “Åke Karlsson Mekaniska AB”. Since 1988 is belongs to the Grimaldi Industri Group.
External links[edit]
- Company website
- Grimaldi Industri website
- [1]
- http://www.72hourrace.cn/en/partnersInfomation.html
- http://www.nfpa.com/AboutNFPA/member_list.asp?pid=22<r=K
Notes[edit]
- ↑ CadQNews, feb 2005
- ↑ http://www.swedfund.se/media/12210/faktablad%20_china.pdf
- ↑ http://www2.vastmanland.lst.se/filarkiv/pdf/ne/Slutrapport%20Vastmanland%201.1.pdf
- ↑ Sala Allehanda, April 3rd 1997
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