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Cooling jacket for quick-rotating tools

Cooling jacket for quick-rotating tools, Haimer

When machining at high speeds, air turbulences frequently influence the coolant and prevent it from optimally reaching the tool. Haimer GmbH, therefore, offers a shrink chuck with the newly developed Cool Flash System, where the cooling lubricant wraps itself around the tool like a jacket and protects it against such disturbances.

Those, who cut at high speeds, are familiar with the problem: the tool causes air turbulences that result from the extremely high speeds, preventing the coolant from reaching the tool as desired. Instead of rinsing it from the tool and cooling it, a greater proportion is sprayed away before reaching the tool.
As the leading global provider of tool holding, Haimer GmbH in Igenhausen, Germany, has developed a solution with the Cool Flash System, that guarantees an optimum flow of the cooling lubricant. Haimer is offering these as an option for their shrink chucks that, due to their especially high runout accuracy, are ideal for high-speed machining.
With the Cool Flash-System, in a similar manner to the proven Haimer Cool Jet System for normal machining, the bores have been introduced in the clamping chuck, where the coolant is transported to the face area of the tool holder. In contrast to the Cool Jet System, the liquid exits the chuck as a spray pattern toward the tool cutting edge, the Cool Flash has the decisive difference at this point: a disc is positioned at the face side of the Cool Flash chuck, which releases a narrow circumferential gap in the direction of the tool. The coolant accumulates at this point on the Cool Flash, builds up a high pressure in this chamber and is distributed over the entire scope of the tool shaft. From this small reservoir, it flows over the tool shaft directly as a closed jacket and is, therefore, insensitive against air turbulences. At the end of the shaft area, the coolant is pressed into the flutes, rinses them out and then reaches - even at high speeds - the cutting edges of the tool directly without atomizing, where its cooling effect may develop.
Compared with up-to-date technologies, the new Haimer Cool Flash System offers the decisive advantage, where no additional sleeves or separate mounts are required for the optimum cooling, which normally brings along an additional effort for the shrinking process. Haimer shrink chucks can also be shrunk in and out "normally" using the Cool Flash Option. Moreover, the stability, stiffness and interference contour of the original Haimer chuck remains unchanged.
Pictures:
B01_Haimer_CoolFlash_Schrumpffutter
The Haimer Cool Flash System is optimally suitable for HSC tools as it guides the cooling lubricant to the cutting edges of the tool without atomizing.
Pictures: Haimer
 
 
B02_Haimer_CoolFlash_Detail
With the Haimer Cool Flash System, there is a disc at the end of the shrink fit chuck, that releases a narrow circumferential gap in the direction of the tool. This allows the coolant to wrap itself around the tool like a jacket.
 
 
B03_Haimer_CoolFlash_Skizze
In the clamping chuck with Cool Flash System, the coolant is transported to the face area of the chuck through bores. The coolant collects in the ring gap and flows over the tool shaft directly as a closed jacket.
 

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Company Information:
Company Name: Haimer GmbH
Address: Weiherstrase 21
City: Igenhausen
State/Province:
ZIP: 86568
Country: Germany
Phone Number: +49-8257-99880
FAX: +49-8257-1850
 
Note: The copyright and the ownship of the brand, product names, product numbers, and content mentioned belongs to their repective companies.
 
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