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Feed rate controller

A technology of feed rate and controller, applied in the direction of program control, automatic control device, general control system, etc., can solve the problems of increasing the difficulty of repairing fault detection components and affecting the power of the motor

Inactive Publication Date: 2006-04-05
TECHTRONIC IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Intrusion techniques require direct coupling to the motor current lines, affect the power applied to the motor, and increase the difficulty of repairing faulty sensing elements

Method used

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Embodiment Construction

[0011] The elements shown in the figures cooperate with each other in the manner described in more detail below. Before proceeding to detailed explanation, however, it should be noted that all discussions that follow, regardless of the particular implementations described, are illustrative rather than restrictive. For example, while the following discussion may be made with respect to a planer power tool, the control system is applicable to other power tools.

[0012] Furthermore, while this description describes specific elements of a control system, methods of manufacture, systems of manufacture, and articles of manufacture consistent with the described control system techniques may include additional or different elements. For example, the controller may be a microprocessor, microcontroller, application specific integrated circuit (ASIC), discrete logic, or a combination of other types of circuits for the above functions. The instructions discussed below may be part of a s...

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Abstract

A feed rate control system may provide feedback to the power tool operator that may assist the operator to obtain consistently high quality output. The feed rate control system may also automatically output a feed rate control signal, optionally influenced by the operating mode of the power tool. In a planer, for example, the feed rate control system may execute different control techniques depending on whether the planer is in 'finish' mode or 'dimension' mode.

Description

technical field [0001] The present invention relates to power tools. In particular, the invention relates to the control of feed through power tools such as planers. Background technique [0002] Power tools come in many forms, functions and applications. With the recent growth of the popular do-it-yourself hardware store, the average user has as many power tools as the professional has. However, no matter who operates the power tool, the operator always expects the power tool to produce a high quality product. [0003] Thus, it is sometimes advantageous to monitor the feed rate of a workpiece through a power tool. If the power tool detects that the feed rate is too slow or too fast, the power tool can change the feed rate or issue a warning to the operator. In the past, power tools have determined feed rates based on invasive techniques for monitoring the current and voltage of the motor. Intrusive techniques require direct coupling to the motor current lines, affect t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q15/013
CPCG05B2219/43156G05B19/4166G05B2219/37338
Inventor 菲利普·F·米纳尔格戴维·佩奥特
Owner TECHTRONIC IND CO LTD