CN109648416B - Method for machining part with Z-direction multi-axis height difference - Google Patents
Method for machining part with Z-direction multi-axis height difference Download PDFInfo
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- CN109648416B CN109648416B CN201811369412.7A CN201811369412A CN109648416B CN 109648416 B CN109648416 B CN 109648416B CN 201811369412 A CN201811369412 A CN 201811369412A CN 109648416 B CN109648416 B CN 109648416B
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- height
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- positioning reference
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/16—Single-purpose machines or devices for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Abstract
The invention belongs to the field of machine manufacturing, and relates to a method for processing a part with Z-direction multiple axes having height difference, which comprises the following steps: 1) grinding the bottom surface of the mounting seat to be a positioning reference surface; 2) mounting the minimum height component on the mounting surface and ensuring that the axial direction of the minimum height component is vertical to the surface of the positioning reference line; 3) grinding the upper end face of the part with the minimum height to enable the height to reach the standard; 4) mounting the height-order minimum component on the mounting surface and ensuring that the axial direction of the height-order minimum component is vertical to the positioning reference plane; 5) and grinding the upper end face of the height-time minimum component by taking the upper end face of the height-time minimum component as a reference surface to enable the height of the height-time minimum component to reach the standard. The invention provides a processing method of a part with Z-direction multi-axis height difference, which can accurately control planeness, verticality and surface roughness, can rapidly process and effectively ensure the qualified rate.
Description
Technical Field
The invention belongs to the field of machine manufacturing, relates to a machining method of a part with a height difference, and particularly relates to a machining method of a part with a height difference in a Z-direction multi-axis mode.
Background
As shown in fig. 1, 2, and 3, in a part having a height difference in the Z-direction in multiple axes, for example, a height gauge composed of 15 feed gauges, the height difference of the feed gauges is high in dimensional accuracy (± 0.003mm), and the machining difficulty is high. The traditional processing mode is that all feeding gauges are firstly installed on an installation seat, then a tool grinder is used for grinding the top surface of each feeding gauge respectively, meanwhile, the grinding is kept for 0.01-0.02mm, and finally, the feeding gauges are ground to the size of a drawing manually. In the manual grinding process, the corners of the 15 feeding gauges are easy to collapse, form and position tolerance is influenced, size control is unstable, machining efficiency is low, and the qualified rate is low. If one feeding gauge is out of tolerance in machining, all the other parts need to be machined again. In addition, the machining process is easy to deform after machining, the repair rate is high, labor and time are wasted, and the machining quality cannot meet the design requirements easily.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides the method for machining the part with the Z-direction multi-axis height difference, which can accurately control the planeness, the verticality and the surface roughness, can quickly machine and effectively ensure the qualified rate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for processing a part with height difference in Z-direction multiple axes is characterized in that: the machining method of the Z-direction multi-axis part with the height difference comprises the following steps:
1) grinding the bottom surface of the mounting seat by flat grinding to make the bottom surface of the mounting seat be a positioning reference surface;
2) mounting the component with the minimum Z-direction height on the mounting surface; the mounting surface is opposite to the positioning reference surface; the axial direction of the part with the minimum Z-direction height is vertical to the positioning reference surface line;
3) according to the size requirement of the part to be machined, taking the positioning datum plane as a datum plane, and grinding the upper end face of the part with the minimum Z-direction height to enable the height of the part with the minimum Z-direction height to be H1 +/-0.003 mm;
4) mounting a part with the Z-direction height secondary minimum on a mounting surface, wherein the axial direction of the part with the Z-direction height secondary minimum is vertical to the surface of a positioning reference line;
5) grinding the upper end face of the part with the Z-direction height secondary minimum value by taking the upper end face of the part with the Z-direction height secondary minimum value as a reference surface according to the size requirement of the part to be machined, so that the height of the part with the Z-direction height secondary minimum value is H2 +/-0.003 mm; the H2 > H1.
The machining method of the part with the height difference in the Z-direction multiple axes further comprises the following steps after the step 5):
6) and repeating the step 4) and the step 5) until all parts with different height values in the Z direction of the part are finished.
The invention has the advantages that:
the invention provides a method for processing a part with Z-direction multi-axis height difference, which comprises the steps of grinding the bottom surface of a mounting seat by a tool grinder, and enabling the bottom surface of the mounting seat to be a positioning reference surface; mounting the component with the minimum Z-direction height on the mounting surface; the mounting surface is opposite to the positioning reference surface; the axial direction of the part with the minimum Z-direction height is vertical to the surface line of the positioning reference line; according to the size requirement of the part to be machined, taking the positioning datum plane as a datum plane, and grinding the upper end face of the part with the minimum Z-direction height to enable the height of the part with the minimum Z-direction height to be H1 +/-0.003 mm; mounting the part with the Z-direction height secondary minimum on the mounting surface, wherein the axial direction of the part with the Z-direction height secondary minimum is vertical to the positioning reference surface line; grinding the upper end face of the part with the Z-direction height secondary minimum value by taking the upper end face of the part with the Z-direction height secondary minimum value as a reference surface according to the size requirement of the part to be machined, so that the height of the part with the Z-direction height secondary minimum value is H2 +/-0.003 mm; h2 > H1. The method provided by the invention is used for machining the parts and components with height difference on the Z axis, and can quickly and accurately control the planeness, the verticality and the surface roughness. The method can well solve the problem of multi-axis height difference, has high dimensional precision, stable dimensional control, high processing efficiency and high qualification rate, and replaces and solves the processing bottleneck problem ensured by manual skill.
Drawings
FIG. 1 is a schematic structural diagram of a Z-direction multi-axis part to be machined according to the prior art with a height difference;
FIG. 2 is a schematic side view of the structure of FIG. 1;
fig. 3 is a schematic view of the expanded structure of fig. 1.
Detailed Description
The invention provides a method for processing a part with height difference in Z-direction multiple axes, which comprises the following steps:
1) grinding the bottom surface of the mounting seat by flat grinding to make the bottom surface of the mounting seat be a positioning reference surface;
2) mounting the component with the minimum Z-direction height on the mounting surface; the mounting surface is opposite to the positioning reference surface; the axial direction of the part with the minimum Z-direction height is vertical to the surface line of the positioning reference line;
3) according to the size requirement of the part to be machined, taking the positioning datum plane as a datum plane, and grinding the upper end face of the part with the minimum Z-direction height to enable the height of the part with the minimum Z-direction height to be H1 +/-0.003 mm;
4) mounting the part with the Z-direction height secondary minimum on the mounting surface, wherein the axial direction of the part with the Z-direction height secondary minimum is vertical to the positioning reference surface line;
5) grinding the upper end face of the part with the Z-direction height secondary minimum value by taking the upper end face of the part with the Z-direction height secondary minimum value as a reference surface according to the size requirement of the part to be machined, so that the height of the part with the Z-direction height secondary minimum value is H2 +/-0.003 mm; h2 > H1.
6) And repeating the step 4) and the step 5) until all parts with different height values in the Z direction of the part are finished.
The technical solution provided by the present invention will be explained in detail by taking the height gauge shown in fig. 1, fig. 2 and fig. 3 as an example:
and (4) clamping by using a sucker, sequencing all feeding gauges from low to high according to the heights, and respectively and independently processing the feeding gauges. During processing, the No. 1 feeding gauge with the minimum height value is aligned within 0.05mm to be processed to the size, then the No. 2 feeding gauge with the second height value is assembled and installed to be processed within 0.05mm, and the height difference size between the No. 1 feeding gauge and the feeding gauge is achieved. By analogy, the machining process of all (15 in total) feeding gauges is completed, and the height difference of the indexing disc feeding gauges meets the technological requirements. During machining, the feeding gauge is aligned and then machined, so that vibration generated during intermittent cutting machining can be effectively avoided, and the machining quality is improved. The Z-axis separation type machining method on the grinding machine is widely used in a machining field, so that the machining efficiency is improved by 2-3 times compared with manual grinding, and the technical machining problem is effectively solved.
The Z-direction multi-shaft height difference separating processing method enables the height difference of the parts and the components to be well controlled on the Z shaft, replaces and solves the bottleneck problem of manual processing, and improves the production efficiency.
Claims (2)
1. A method for processing a part with height difference in Z-direction multiple axes is characterized in that: the machining method of the Z-direction multi-axis part with the height difference comprises the following steps:
1) grinding the bottom surface of the mounting seat by flat grinding to make the bottom surface of the mounting seat be a positioning reference surface;
2) mounting the component with the minimum Z-direction height on the mounting surface; the mounting surface is opposite to the positioning reference surface; the axial direction of the part with the minimum Z-direction height is vertical to the positioning reference surface line;
3) according to the size requirement of the part to be machined, taking the positioning datum plane as a datum plane, and grinding the upper end face of the part with the minimum Z-direction height to enable the height of the part with the minimum Z-direction height to be H1 +/-0.003 mm;
4) mounting a part with the Z-direction height secondary minimum on a mounting surface, wherein the axial direction of the part with the Z-direction height secondary minimum is vertical to the surface of a positioning reference line;
5) grinding the upper end face of the part with the Z-direction height secondary minimum value by taking the upper end face of the part with the Z-direction height secondary minimum value as a reference surface according to the size requirement of the part to be machined, so that the height of the part with the Z-direction height secondary minimum value is H2 +/-0.003 mm; the H2 > H1.
2. The method of machining a Z-direction multiaxial part having a height difference according to claim 1, wherein: the machining method of the Z-direction multi-axis part with the height difference further comprises the following steps after the step 5):
6) and repeating the step 4) and the step 5) until all parts with different height values in the Z direction of the part are finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369412.7A CN109648416B (en) | 2018-11-16 | 2018-11-16 | Method for machining part with Z-direction multi-axis height difference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811369412.7A CN109648416B (en) | 2018-11-16 | 2018-11-16 | Method for machining part with Z-direction multi-axis height difference |
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| Publication Number | Publication Date |
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| CN109648416A CN109648416A (en) | 2019-04-19 |
| CN109648416B true CN109648416B (en) | 2020-10-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE10053977C2 (en) * | 2000-10-31 | 2002-11-21 | Leica Camera Ag | Carrier for multiple feeds |
| JP5505114B2 (en) * | 2010-06-16 | 2014-05-28 | 信越化学工業株式会社 | Multi-cutting method of rare earth sintered magnet |
| CN102284893B (en) * | 2011-09-14 | 2013-01-16 | 中国航空工业第六一八研究所 | High-precision permanent magnet seat grinding method |
| CN202668299U (en) * | 2012-06-15 | 2013-01-16 | 湘潭三峰数控机床有限公司 | Multiple-carriage double-main-shaft symmetrical type grinding machining center |
| CN105834897A (en) * | 2016-05-24 | 2016-08-10 | 广州茂迅自动化技术有限公司 | Intelligent full-automatic circular pipe and rod polishing unit |
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