the largest possible diameter at the minimum possible length, the lightest weight tooling possible and the smallest possible insert points. But in the demanding settings that have been mentioned, ideal setups aren’t always feasible. For instance, once tools extend beyond about 4xD in these scenarios, deflection begins to multiply at remarkable rates – even at constant cutting forces. That said, upgrading to tooling with damping characteristics is often a reasonable option. For example, we offer the SMART DAMPER system that provides specific solutions for rough and finish boring, plus milling operations. It incorporates a passive damping mechanism that functions as a counter action by way of high resonance friction action. This patent-pending system’s damping capability minimizes the effects of high frequency oscillations, absorbing
vibration effectively and allowing higher machining accuracy. Knowing that it’s also critical to have the damping elements as close to the cut as possible, most SMART DAMPER offerings are modular in design. This allows for an array of standard shanks to be adapted to create custom tools that extend over 16 in to maintain damping nearer the tool and manage vibration in long-overhang setups. While the latest machine tool technology may go a long way toward eliminating vibration and chatter, adding a new one may not be realistic. Luckily, there are less disruptive options that can make positive impacts on vibration without breaking the bank. CONTRIBUTOR Jack Burley is the Vice President Sales & Engineering at BIG KAISER Email: jack.burley@us.bigkaiser.com
Lightweight, stable and dampened fixturing system.
known as the “length-to-diameter ratio” because as the overhang grows, it more decidedly becomes the most fragile element in the machining process and increases the chance of detrimental vibration. This is an especially common issue for die and mold, aerospace, automobile, and oil and gas manufacturers. It’s always advised to use
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HIGH PERFORMANCE TOOLING SOLUTIONS 2018-2019
TIPS & TRICKS
Have a Question on How to Run Your BIG KAISER Boring Tools?
Next time you have a question on how to run your BIG KAISER boring tools, just pick up your phone—not to call, but to use the BIG KAISER App. Take advantage of this great resource. It provides optimal cutting parameters, cutting data for rough and fine boring heads and it’s completely free. In total the app contains data for 61 BIG KAISER boring heads ranging from Ø.01575" (0.4 mm) to Ø 24.41" (620 mm).
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