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Method for setting feed amount of multi-level code disc used for NC-plain compatible machine tool with multiple operation modes

A technology of feed rate and classification, applied in the direction of digital control, electrical program control, etc., can solve the problems of high requirements for CNC lathes and restrictions on the large-scale promotion of CNC lathes, and achieve the effect of high man-machine function and easy operation

Inactive Publication Date: 2010-12-22
TIANSHUI SPARK MACHINE TOOL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above method is widely used on existing CNC lathes. The problem is that the operators of CNC lathes have high requirements and must undergo special training, which seriously limits the large-scale promotion of CNC lathes.

Method used

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  • Method for setting feed amount of multi-level code disc used for NC-plain compatible machine tool with multiple operation modes
  • Method for setting feed amount of multi-level code disc used for NC-plain compatible machine tool with multiple operation modes
  • Method for setting feed amount of multi-level code disc used for NC-plain compatible machine tool with multiple operation modes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1: The numerical control lathe of the present invention uses the method for setting the feed rate with a step-by-step code disc,

[0031] (1) Input the feed amount parameter 1-3 of the machine tool into the feed amount database 1-4, and input the feed amount database 1-4 into the numerical control system 1-1 of the CNC lathe through the data interface 1-2;

[0032] Input the six feed modes of ordinary lathes, longitudinal feed rate, lateral feed rate, metric thread, inch thread, modulus thread, diameter pitch thread, and detailed feed parameters into the database 1-4, and the database 1-4 input the numerical control system 1-1 of the numerical control lathe through the data interface 1-2.

[0033] (2) Distribute the parameters of each mode in an 8×8 matrix table.

[0034] (3) Set a sub-level code disc 1-6 for the selection of feed parameters on the operation panel on the machine tool, and there are scales on the sub-level code disc 1-6, and each scale corres...

Embodiment 2

[0041] Embodiment 2: Use the method of setting the feed amount in steps with two step-by-step code discs in the numerical control lathe of the present invention.

[0042] Its main steps are the same as above, the difference is that there are two sub-level code discs.

[0043] Each division of the first 8-digit subdivision code wheel 1-6 corresponds to one of the six feed parameters in the database. When an 8-digit subdivision code disc is selected, the real-time display on the display is arranged in a matrix. An 8×8 matrix arrangement table of such feed parameters.

[0044] Each division of the second 64-bit division code disc corresponds to a feed parameter arranged in a matrix.

[0045]The specific operation steps are as follows:

[0046] First of all, toggle the stepped / stepless switch to the stepped state, and activate the feed parameter to control the step dial switch. Call out the thread database; dial the first 8-digit sub-code disc, and select an 8×8 thread pitch pa...

Embodiment 3

[0051] Embodiment 3: The method for setting the feed rate with three sub-grade turntables for the CNC lathe of the present invention,

[0052] See Fig. 3, its main steps are the same as example 1, the difference is that three 8-bit sub-level code discs are provided.

[0053] The program block flow chart of the present invention. Man-machine interface 2-1, spindle system 2-2, thread database 2-3 connected to data system 2-4; 3 sub-level code discs, the first sub-division code disc 1-61, for the selection of the type of cutting amount, Each bin corresponds to a type of feed parameter in the database, and the man-machine interface 2-1 displays a feed parameter arranged in a matrix in real time; the second bin code disc 1-62 , for the line selection of the feed amount table, and each sub-level corresponds to a row in a feed amount parameter arranged in a matrix; the third sub-level code disc 1-63 is for the selection of the feed amount table column, Each sub-level corresponds to...

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Abstract

The invention mainly relates to a numerical-control machine tool feed-setting method. A feed setting method using graded code discs, which is applied to NC-plain compatible machine tools of multiple operation modes, and characterized by comprising the following steps of: inputting feed parameters (1-3) of a machine tool into a feed database (1-4) and inputting the feed database (1-4) into a special NC system (1-1) of the machine tool through a data interface (1-2); displaying the feed parameter table in matrix arrangement on the monitor in real time or indicating the feed parameter list at a notable position of the machine tool; distributing each type of feed parameters into a matrix table. The machine tool is provided with an operation panel with a plurality of graded code discs (1-6) for feed parameter selection, and all graded code discs are provided with scales each of which corresponds to a feed state or a feed value. A feed is selected after rotating a selected graded code disc (1-6), the feed state or feed value is input into the special NC system (1-1) of the machine tool through the data interface (1-2); after the special NC system of the machine tool selects the corresponding feed state or feed parameter from the feed database (1-4), and the machine tool carries out processing according to the selected feed mode and parameter.

Description

Technical field: [0001] The invention mainly relates to a method for setting feed amount of a numerical control machine tool. Background technique: [0002] The transmission chain of the feed mechanism of ordinary lathes is connected with the main shaft of the lathe. The national standard stipulates the setting method of the feed amount of the lathe with the distance that the turning tool moves per revolution of the main shaft as the relevant parameter. This not only satisfies the conventional feed , and ensure the formation of accurate helical trajectory when processing the thread. [0003] After the emergence of CNC lathes, the feed rate of the lathe is to install an encoder at the end of the lathe spindle to collect the speed data of the spindle and transmit it to the CNC system. The operator sets the feed parameters to be processed by writing codes, and the CNC system controls the feed rate. The movement of the mechanism realizes the displacement of the turning tool per...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/18
Inventor 李维谦
Owner TIANSHUI SPARK MACHINE TOOL
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