Method of cutting off workpiece using band saw machine as well as band saw machine
AssigneeAmada Company, Limited
InventorToru Tokiwa
Life of this patent
Estimating the term…
Abstract
In a cutting-off method, when a workpiece is to be cut off by use of an endless band saw blade suspended between a driving wheel and a driven wheel, the workpiece is cut off by imparting to the driving wheel a forced oscillation so that a phase of an oscillation of the driving wheel along its rotational direction is substantially inverted with respect to a phase of an oscillation of the driven wheel along its rotational direction. In addition, pulses can be applied to a driving motor for rotationally driving the driving wheel in order to cause the driving wheel to oscillate along its rotational direction.
Claims14
A method of cutting off a workpiece using a band saw blade, the method comprising:
- cutting off a workpiece by an endless band saw blade suspended between a driving wheel and a driven wheel, by imparting to the band saw blade a forced oscillation so that a phase of a longitudinal oscillation which occurs to the band saw blade near the driving wheel is substantially inverted with respect to a phase of a longitudinal oscillation which occurs to the band saw blade near the driven wheel.
3-6. (canceled)
A method of cutting off a workpiece using a band saw blade, the method comprising:
- cutting off a workpiece by an endless band saw blade suspended between a driving wheel and a driven wheel, by imparting to the band saw blade a forced oscillation so that a phase of an oscillation which occurs to the band saw blade in a main-component-force direction near the driving wheel is substantially inverted with respect to a phase of an oscillation which occurs to the band saw blade in the main-component-force direction near the driven wheel.
A band saw machine which cuts off a workpiece by use of an endless band saw blade suspended between a driving wheel and a driven wheel, the band saw machine comprising:
- an oscillation imparter that imparts, to the band saw blade, a forced oscillation so that a phase of an oscillation which occurs to the band saw blade in a main-component-force direction near the driving wheel is substantially inverted with respect to a phase of an oscillation which occurs to the band saw blade in the main-component-force direction near the driven wheel.
A method of cutting off a workpiece using a band saw blade, the method comprising:
- cutting off a workpiece by an endless band saw blade suspended between a driving wheel and a driven wheel, by imparting to any one of the driving wheel and the driven wheel a forced longitudinal oscillation so that a phase of an oscillation of the driving wheel along a rotational direction of the driving wheel is substantially inverted with respect to a phase of an oscillation of the driven wheel along a rotational direction of the driven wheel.
(canceled)
A method of cutting off a workpiece using a band saw blade, the method comprising:
- cutting off a workpiece by an endless band saw blade suspended between a driving wheel and a driven wheel, by forming a node of oscillation in a main-component-force direction between the driving wheel and the driven wheel by imparting to the band saw blade a forced longitudinal oscillation so that a phase of an oscillation which occurs to the band saw blade in the main-component-force direction near the driving wheel is substantially inverted with respect to a phase of an oscillation which occurs to the band saw blade in the main-component-force direction near the driven wheel, whereby a frictional chatter oscillation is blocked in a section where the node is formed, and whereby the frictional chatter oscillation is restrained while the workpiece is being cut off.
A method of cutting off a workpiece using a band saw blade, the method comprising:
- cutting off a workpiece by an endless band saw blade suspended between a driving wheel and a driven wheel, by generating a node in a longitudinal direction of a forced longitudinal oscillation which is imparted to the band saw blade in a substantially central section of a width with which the workpiece is cut off.
A band saw machine which includes an endless band saw blade suspended between a driving wheel and a driven wheel, the band saw machine comprising:
- a motor which rotates the driving wheel;
- and
- a forced oscillation imparter which imparts, to the driving wheel, an oscillation so that a phase of an oscillation of the driving wheel along a rotational direction of the driving wheel is substantially inverted with respect to a phase of an oscillation of the driven wheel along a rotational direction of the driven wheel.
A method of cutting off a workpiece using a band saw blade, the method comprising:
- cutting off a workpiece by an endless band saw blade suspended between a driving wheel and a driven wheel, by forming a node of a longitudinal oscillation of the band saw blade between the driving wheel and the driven wheel by imparting to the band saw blade a forced longitudinal oscillation so that a phase of a longitudinal oscillation which occurs to the band saw blade near the driving wheel is substantially inverted with respect to a phase of a longitudinal oscillation which occurs to the band saw blade near the driven wheel, whereby a frictional chatter oscillation is blocked in a section where the node is formed, and whereby the frictional chatter oscillation is restrained while the workpiece is being cut off.
Dependencies are inferred from the claim text.