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Universal FDM programmable position signal conversion device and FDM printer

A signal conversion device and a general-purpose technology, applied in the field of 3D printing, can solve the problems of easy position deviation, insufficient driving force, and difficult to change the circuit, etc., and achieve the effect of comprehensive functions, convenient use, and improved conversion accuracy

Pending Publication Date: 2022-03-18
SHANGHAI ZHICHI INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the range of motors supported by these solutions is limited by hardware, and often only open-loop stepper motors with low power and limited maximum acceleration can be used, which have a series of problems such as insufficient driving force and easy position deviation; most control components are integrated in the control The circuit board also makes it difficult for ordinary users to change the circuit or modify the code to achieve compatibility with more types of motors

Method used

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  • Universal FDM programmable position signal conversion device and FDM printer

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Comparison scheme
Effect test

Embodiment 1

[0030] Such as figure 1 As shown, this embodiment provides a general-purpose FDM programmable position signal conversion device, including a connected main control chip 1 and a signal amplification differential circuit 2, wherein the main control chip 1 stores a computer program, and the computer program is called When performing the following operations: pick up the input signal from the printer’s motion control, which can be position-direction pulse or position signal data, etc.; process the input signal to generate an intermediate signal that is output to the signal amplification differential circuit 2; receive the signal and amplify the output of the differential circuit 2 The result is verified, and the output result is an identifiable signal of the motor driver 3 .

[0031] In this embodiment, the signal amplifying and differential circuit includes a non-logic level shifting element, which functions to perform signal level shifting and difference after receiving the outp...

Embodiment 2

[0037] This embodiment provides a medium and small FDM printer, including the general-purpose FDM programmable position signal conversion device as in Embodiment 1.

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PUM

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Abstract

The invention relates to a universal FDM (frequency division multiplexing) programmable position signal conversion device, which comprises a main control chip and a signal amplification differential circuit which are connected with each other, and is characterized in that the main control chip stores a computer program, and when the computer program is called, the computer program executes the following operations: picking up an input signal from printer motion control; the signal processing circuit is used for processing the input signal and generating an intermediate signal output to the signal amplification differential circuit; and receiving an output result of the signal amplification differential circuit for verification, wherein the output result is a recognizable signal of the motor driver. Compared with the prior art, the method has the advantages of wide applicability, accuracy and the like.

Description

technical field [0001] The invention relates to the technical field of 3D printing, in particular to a general-purpose FDM programmable position signal conversion device and an FDM printer. Background technique [0002] FDM (Fuse Deposition Modeling) is currently the most widely used 3D printing solution. At present, there are many open source low-cost FDM small and medium-sized 3D printer solutions, which have been mass-produced at home and abroad. This type of low-cost FDM printer solution is mainly composed of control circuit boards, motors and drivers, and mechanical frame hardware. The relevant electrical components are universal after communication standardization, which is convenient for modification. However, the range of motors supported by these solutions is limited by hardware, and often only open-loop stepper motors with low power and limited maximum acceleration can be used, which have a series of problems such as insufficient driving force and easy position de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/118B29C64/393B33Y10/00B33Y50/02
CPCB29C64/118B29C64/393B33Y10/00B33Y50/02
Inventor 严鹏飞许宏涛严彪
Owner SHANGHAI ZHICHI INTELLIGENT TECH CO LTD
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