Page 60 - CNC West Web August - September

New Products
Expanded Hydraulic Chuck Offering For Swiss Lathes
—BIG KAISER
BIG KAISER introduced hydraulic chucks for Swiss lathes in 2018. They report that this is the first improve- ment to the technology in more than 30 years. This year, the program has expanded to include inch-size standard
type chucks, as well as new F Type and R Type chucks.
Standard type hydraulic chucks with tool-side clamping are now avail- able in inch sizes with the clamping range of ø1/8”, 3/16” and 1/4”.
The new F Type’s single wrench enables easy cutting tool changes on the tool post. The easy-access rear clamping design is ideal for front tool post. Clamping from the opposite side of the cutting tool and optimum-length design improves overall ease of use. The F Type is available in a clamping range of ø3-10mm and coolant delivery is possible with an Rc(PT)1/8’’ screw.
The new R Type eliminates interfer- ence at both the upper or lower tool post positions with a unique block design and tightening at an offset posi-
tion in the tool side.
Big KAISER reports to minimize
machine downtime and provide opera- tor safety, these hydraulic chucks use a simple hex wrench that requires only two to three turns for both clamping and unclamping. Tightening is com- plete when the clamping screw hits the bottom; controlling tightening torque is not needed. The company reports that once a hydraulic chuck is centered, the runout will not vary, even if a cutting tool is changed repeatedly. Hydraulic chucks have a standard pipe thread for coolant-through connection and are available for most Citizen and Star machines with 3/4’’ or 22mm straight shank.
Modular Drill for Faster
Aerospace Machining
—Kennametal
Kennametal has introduced the FBX drill for flat-bottom drilling of structural aerospace parts. The FBX drill is part of a tooling concept spe- cifically developed to maximize metal removal rates and decrease cycle times when machining aerospace structural components.
“Quickly removing large amounts of material remains a challenge for these types of components,” said a company spokesperson. “Traditionally, the first process step is to enter the material by using ramping techniques.
This is a time-consuming process and low metal removal rates are the norm.”
“The FBX drill dramatically speeds up the machining process by combin- ing the advantages of a flat bottom drill and a Z-axis plunge mill,” said Georg Roth, product manager, Kennametal. “
Once the drill has shaped the basic structure of the component, roughing and finishing with indexable and solid end mills are the next process steps.
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