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Several factors affecting the high-speed milling chuck

(Summary description)The maximum allowable weight of a lathe spindle is based on the bearing load capacity, if the weight of the chuck and workpiece combination is too large, the bearing may be overloaded.

Several factors affecting the high-speed milling chuck

(Summary description)The maximum allowable weight of a lathe spindle is based on the bearing load capacity, if the weight of the chuck and workpiece combination is too large, the bearing may be overloaded.

Information

1. Spindle load capacity
The maximum allowable weight of a lathe spindle is based on the bearing load capacity, if the weight of the chuck and workpiece combination is too large, the bearing may be overloaded. For those machining tasks where there is a danger of exceeding the limit, this danger may determine one's choice of workholding. Jaw chucks tend to be heavier than equivalent high-speed milling chucks. Therefore, where weight needs to be controlled, high-speed Milling chucks are the right choice.

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2. Spindle speed
High-speed milling chucks are often the better choice for turning at very high spindle speeds for two main reasons:
One reason has to do with the quality of the chuck, assuming the same spindle horsepower drives the jaw chuck and the high-speed milling chuck, the heavier jaw chuck takes longer to accelerate to the desired speed, and a longer acceleration time will Extend work cycles and reduce productivity.
Another reason has to do with centrifugal force, since it increases with the square of the rpm, so, in the case of high-speed cutting, this value is important. This force pulls the chuck jaws off center and tends to reduce clamping force. But with high-speed milling chuck, centrifugal force will not cause significant impact. Thus, the clamping force is more stable over the entire machining speed range.
 

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