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Method and apparatus for positioning a tool relative to a workpiece

A technology for workpieces and tools, which is used in the field of positioning and installation of tools relative to workpieces, and can solve problems such as expensive, large gearboxes and motors, and impracticality

Active Publication Date: 2008-12-24
CARL DAN PEDDINGHAUS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] When performing such cuts in heavy materials, such as structural steel members commonly used in construction, or even in lightweight materials moving at high speeds, the gearboxes and motors that provide the necessary acceleration and deceleration are bulky, expensive, and sometimes unrealistic
However, when the capacity of the necessary equipment to move the workpiece is insufficient, the holes and corners cut can produce out of shape

Method used

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  • Method and apparatus for positioning a tool relative to a workpiece
  • Method and apparatus for positioning a tool relative to a workpiece
  • Method and apparatus for positioning a tool relative to a workpiece

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Embodiment Construction

[0031] While the invention is capable of embodiments in many different forms, the specification and drawings disclose only certain forms as examples of the invention. However, the invention is not limited to the forms described. The scope of the invention is indicated in the appended claims.

[0032] The drawings depicting the device show some mechanical parts, which are known and appreciated by those skilled in the art. A detailed description of such parts is not necessary to an understanding of the invention and, therefore, is described here only to the extent necessary to facilitate an understanding of the novel features of the invention.

[0033] Figure 1 shows a tool positioning device 10, which may advantageously be used with longitudinally elongated workpieces, of which one such workpiece 12 is shown. Broadly speaking, the device is similar to that described in US Patent No. 5,256,212 with modifications discussed below. The entire disclosure of US Patent No. 5,256,21...

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Abstract

An apparatus for positioning a tool relative to a workpiece includes a first carriage rotatable about a first axis, and a second carriage carried by the first carriage and rotatable about a second axis formed by the first carriage. Two brackets. The second axis is parallel to and in an eccentric relationship with the first axis. the tool holder is secured to the second carriage in eccentric relationship to the second axis, and the drive mechanism selectively rotationally drives the first carriage about the first axis and rotationally drives the second carriage about the second axis, thereby Selectively position the tool chuck. A tool held in a toolholder is movable along a selected path relative to a workpiece.

Description

technical field [0001] The present invention generally relates to a method and apparatus for positioning a tool relative to a workpiece. The invention is particularly useful for positioning a torch relative to a workpiece, such as a structural steel member or the like. Background technique [0002] Tool positioners or other types of fixtures for reliable and efficient machine tool control of different types of tools are desired in many different situations and circumstances. For example, five-axis CNC machines are employed to move tools such as drills in three dimensions (and also to move the workpiece itself) in order to perform the various machining operations required to shape the workpiece. Such machines are expensive considering the complex computer controls and various motors and transmissions required to move the tool and workpiece. In addition, computer programming of the numerical control system is time-consuming and complicated. For example, in some cases, it is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q15/14B23K7/10B23Q1/44B23Q1/48B23Q1/54
CPCB23Q1/44B23Q1/48B23Q1/5468
Inventor J·P·沃尔文
Owner CARL DAN PEDDINGHAUS