Page 56 - MACHINE TOOLS WORLD - DECEMBER 2021

TECH INNOVATION

Comparison of different

TOOLHOLDING SYSTEMS & selection

of RIGHT TOOLHOLDER?

Which type (Hydraulic, shrinking, ER Collet, Weldon, Importance in choosing the optimum toolholder is substantial
Milling Chuck) of toolholder is the best? as the quality of the toolholder has a great influence on the results
We guess this is million-dollar question and answering of the complete machining process.
this question have always been tricky and have put us in If anyone asks for our advice, we believe that hydraulic
uncomfortable situation in over 4 decades & 2 decades while toolholding system is our first preference to clamp any shank tools
working in manufacturing of toolholding systems & sales of (which is controlled in h6 tolerance) as it offers superior benefits
toolholding systems respectively. such as better run-out accuracy, vibration damping, set-up time
Over the period we have learnt that an answer to this question reduction and flexibility with help of reduction sleeves like no
cannot be given in general terms as this depends on the particular other toolholding systems.
application of the customer. While choosing the right toolholder, However, there are few areas where we will not suggest
one of basic prerequisite is what is your application and second hydraulic toolholding such as difficult to access machining
is selecting amongst different toolholding systems the right application or where there is continuously cutting load for more
toolholder based on its features & characteristics that suits the than a shift, which incase of inadequate coolant can result in
application. premature worn-out of seal because of overheating and thus
This compatibility test is very important if we want to select resulting in failure of inbuilt hydraulic system. This application area
the toolholder which will ideally suit the application and would be is ideally suited for shrinking toolholding or Die Mold chuck.
efficient choice from different toolholding systems available in the We hope this article & comparison chart of different toolholding
market. systems helps you in selecting your right toolholder.
A comparison of different tool-holders is very difficult task,
as they offer different benefits with regard to working principle
& design. A rating can only be done when considering the
requirements of the particular application and matching the
features of each toolholding systems which can go close to ideal
toolholder for the said machining process and operation.
A very rigid tool-holder is not appropriate for every application.
A toolholder, which is perfectly suitable for high-speed
machining, may not offer the needed values and at the same time
be competitive with regard to some other requirements.
The toolholder is an important connection between the
machine spindle and the cutting tool and can be define as Mr. Vijay Chopda Mr. Santosh Tipale
(Founder & CEO) (Sales Director)
“A link between the cutting edge and the spindle nose to obtain
successful & flexible manufacturing in machining centres.”
Further, if you have any query or need additional information on toolhold-
ing products, we will be very delighted to serve you. Please get in touch
with us on email: stipale@ktaspindletoolings.com

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