A machining method of pdc drill bit based on machine tool programming

A processing method and drill bit technology, which is applied to drill bits, drilling equipment, earthwork drilling, etc., can solve the problems of time and energy consumption, and achieve the effects of improving processing efficiency, shortening programming time, and ensuring accuracy

Active Publication Date: 2022-05-10
陕西海耐森石油科技有限公司
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  • Abstract
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Problems solved by technology

The characteristics of so many different planes require a lot of repetitive operations when using a five-axis machine tool to process and program petroleum steel PDC drill bits, which consumes a lot of time and energy, and some highly skilled personnel need 5-8 hours. to complete all procedures

Method used

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  • A machining method of pdc drill bit based on machine tool programming
  • A machining method of pdc drill bit based on machine tool programming
  • A machining method of pdc drill bit based on machine tool programming

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Embodiment Construction

[0028] The present invention will be further described in detail below in conjunction with the examples, which are explanations of the present invention rather than limitations.

[0029] A kind of PDC drill processing method based on machine tool programming, comprises the following operations:

[0030] 1) The flow channels of the PDC drill bit are respectively established as EspritCAM free-form surface features (that is, the outer surface of the drill bit), and these established free-form surface features will be used for rough and fine milling. Use the macro function of EspritCAM software to record the operation process of selecting free-form surface features into a macro, and package it into a DLL file to make an external plug-in and load it into the software with icon commands. In order to identify more accurately, the VB code that is recorded as a macro and opened in the EspritCAM macro function can be used to generate a new macro suitable for the quick selection of the f...

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Abstract

The invention discloses a PDC drill bit processing method based on machine tool programming. In the special structure of the PDC drill bit, some repeated features are found and used with the same size. The main reason for the large workload is that each feature is not in one. plane, so it is necessary to continuously transform the processing coordinate system to realize the programming of each feature; the present invention combines the processing of flow channels, teeth, and holes with the processing plane coordinate system, and automatically recognizes the feature function. Applied to these features, the programming time is shortened to 30 minutes to 1 hour, and the template operation is realized, and even technicians with ordinary programming skills can quickly get started with the operation; shorten the programming time, improve the programming work efficiency; and then improve the processing efficiency.

Description

technical field [0001] The invention belongs to the technical field of petroleum steel body PDC drills, and relates to a processing method of PDC drills based on machine tool programming. Background technique [0002] Petroleum steel body PDC drill bits have a special structure, such as each cutting tooth, each water hole position, has its own different spatial angle position, and according to the size of the drill bit, the number of these cutting teeth ranges from a dozen to hundreds There are several to more than a dozen water holes. The characteristics of so many different planes require a lot of repetitive operations when using a five-axis machine tool to process and program petroleum steel PDC drill bits, which consumes a lot of time and energy, and some highly skilled personnel need 5-8 hours. to complete all procedures. Contents of the invention [0003] The problem to be solved by the present invention is to provide a PDC drill bit processing method based on mach...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B10/43E21B10/62
CPCE21B10/43E21B10/62
Inventor 吴双强
Owner 陕西海耐森石油科技有限公司
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