Method and device for operating a machine tool such as a press

A technology of machine tools and presses, which is applied in the field of machine tools, can solve the problem that the press machine is not considered, and achieve the effect of energy optimization

Inactive Publication Date: 2014-04-02
舒乐绞扭机有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the case where part of the deformation energy is taken from the kinetic energy of the machine, this leads to a deceleration that negatively affects the output, which is influenced by the forces generated during deformation and is not taken into account in the kinematic setting of the press

Method used

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  • Method and device for operating a machine tool such as a press
  • Method and device for operating a machine tool such as a press
  • Method and device for operating a machine tool such as a press

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Experimental program
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Embodiment Construction

[0183] In order to graphically illustrate the initial situation of the problem solved by the present invention, it should first be based on figure 1 The principle of the linear movement form of the tappet slide and the rotary movement form of the drive is shown as a schematic principle of the movement form on a virtual example of a press with a lifter slide, to be precise, As in detail a) as a linear movement form of a stroke element such as a plunger not shown here and as in detail b) as a rotational movement form of a drive not shown here.

[0184] Symbolically and according to the role means:

[0185] A = start and end of movement

[0186] ■ In rotary moved units such as drives: stationary state (detail b))

[0187] ■In units with linear motion like a lifter: rest state (detail a))

[0188] ■ Form of energy: Potential energy of linear elements (press lifter, upper die), possibly additional downwardly directed energy from elements capable of storing energy (eg springs, e...

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Abstract

A method for operating a machine tool such as a press includes determining and providing/storing energy for machining a work piece as available energy by considering a first value of the energy to be applied of at least one element of the machine tool to store energy. Available energy provided in a section or in a partial section of a motion sequence of a stroke element determined for machining the work piece is gathered. Part of the available energy of the energy to be applied for machining the work piece from an energy potential provided/stored in the machine tool is used. A second value for an effective required energy is formed via at least one energy-storing element. A control/regulation of different energy transfers or contents of individual drive components is influenced in an accelerating or decelerating manner during a sequence of the stroke element or during a path of a stroke to compensate for asymmetric loads.

Description

technical field [0001] The invention relates to a method and a device for a power tool such as a press, which has a rotary or translationally driven and linearly movable stroke element, such as is embodied in particular for a A press for tappet slides on workpieces to be machined. [0002] The power tool, such as a press, basically has: a drive unit connected to the drive element, which includes at least one motor or servomotor; At least one stroke of the plunger slide transmits a plurality of driven pull rods or tie rods acting on the plunger slide. In this case, the plunger slide has an upper tool part which is associated with a lower tool part for machining the workpiece. Generally, the stroke of the plunger runs from or before an upper dead center to or at a lower dead center, including a single stroke or a so-called pendulum movement. The control and regulating device brings about an operation of the machine corresponding to the input process data. [0003] In the sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B30B15/14B30B15/00
CPCB30B15/148B30B1/266B30B15/26
Inventor D·舍尔哈默T·施皮斯赫费尔A·伦德勒
Owner 舒乐绞扭机有限责任公司
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