CN112091298A - Straight groove machining tool and machining method - Google Patents
Straight groove machining tool and machining method Download PDFInfo
- Publication number
- CN112091298A CN112091298A CN202010973631.7A CN202010973631A CN112091298A CN 112091298 A CN112091298 A CN 112091298A CN 202010973631 A CN202010973631 A CN 202010973631A CN 112091298 A CN112091298 A CN 112091298A
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- Prior art keywords
- machining
- cutter
- tool
- groove
- straight
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
Abstract
The invention discloses a straight groove processing tool and a processing method, wherein a front tool face on the front side of the tool is rectangular, a rectangular straight edge at the far end of the front tool face is a main cutting edge, rectangular straight edges on two sides are auxiliary cutting edges, a back angle is arranged on the back side of the main cutting edge, two auxiliary cutting edges are auxiliary back angles, the front tool face has a forward inclination angle compared with a vertical plane after the tool is clamped, and the main cutting edge is positioned at the farthest end. And (3) clamping a part to be machined, determining a machining original point, cutting off a layer of material at the end, which is advanced by a certain distance, of the machining surface by the cutter in each cutting cycle, and then returning to a far point, and continuously circulating the cutter downwards for a certain distance after each cycle is finished until the straight groove machining is finished. The invention solves the problem that a right angle cannot be formed at the root due to the characteristic of the cylindrical milling cutter when a groove is processed on a numerical control milling machine, can form a right angle at the corner of the groove root when the groove is processed, and can be widely applied and popularized in the technical field of machining.
Description
Technical Field
The present invention relates to a cutting tool and a method of machining a right-angled corner groove using the same.
Background
In machining, the groove root on the workpiece is generally designed to be circular arc transfer, but there is a special requirement that the root must be designed to be right angle transfer, which causes difficulty in machining. The numerically controlled milling machine generally uses a rotary cutter to machine a workpiece, and R is always formed at the root of a groove and cannot form a right angle.
Disclosure of Invention
The invention mainly solves the technical problems that: the existing processing cutter and the method can not process the corner of the groove root into a right angle.
The technical scheme of the invention is as follows:
the utility model provides a straight flute processing cutter, includes the rake face, and the rake face of cutter front side is the rectangle, and the rectangle straight flange of rake face distal end is main cutting edge, and the rectangle straight flange of both sides is vice cutting edge, and main cutting edge rear side has the relief angle, and two vice cutting edges have vice relief angle, and the rake face has a forward inclination than the perpendicular behind the cutter clamping, and main cutting edge is located the farthest.
The two sides of the front tool face are auxiliary rear tool faces, the bottom of the tool is a main rear tool face, and the top of the tool is a tool handle.
The thickness of cutter feed direction is greater than the width of both sides, and the rake face department is widest, and along vice back knife face width diminish gradually backward, the height of cutter diminishes from the front to back along main back knife face gradually.
A straight groove processing method comprises the following steps: and (3) clamping a part to be machined, determining a machining original point, and cutting by adopting the cutter, wherein each cutting cycle of the cutter can move forward on a machining surface by a distance to cut off a layer of material and then return to a far point, and the cutter moves downwards by a certain distance to continue to cycle every time one cycle is completed until the straight flute machining is completed.
The cutting depth is less than 0.05mm each time.
And (3) machining the bottom surface of the groove by the main cutting edge and the side wall of the groove by the auxiliary cutting edge of the cutter during machining, and finally machining the groove with a right angle at the corner.
And clamping the part to be processed by adopting a vice.
And machining parts by adopting a numerical control milling machine, programming a macro program, and circularly cutting by using a cutter according to the macro program.
The invention has the beneficial effects that:
the problem of when processing the groove on the numerically controlled fraise machine, because cylindrical milling cutter's characteristic can't form the right angle at the root is solved. The invention can form a right angle at the corner of the groove root when processing the groove. Can be widely applied and popularized in the technical field of machining.
Drawings
FIG. 1 is a schematic structural diagram of a workpiece with a right-angle groove root.
Fig. 2 is a schematic view of a tool.
Fig. 3 is a side view of fig. 2.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a sectional view taken along the line a of fig. 3.
Fig. 6 is a perspective view of the cutter.
Fig. 7 is a schematic view of workpiece clamping.
Fig. 8 is a schematic view of the tool machining.
Detailed Description
Fig. 1 is a schematic view of a workpiece to be processed with a right-angle corner groove.
Fig. 2-6 are schematic views of the structure of the cutter. The stalk portion is cylindrical in self-control 1 upper end of cutter, and the lower extreme is the hexahedron structure of taking the cutting edge, and the lower edge of hexahedron is main cutting edge, and the edge of main cutting edge both sides is vice cutting edge, and main cutting edge and vice cutting edge constitute the rake face of rectangle, and the rake face has a forward inclination compared in the perpendicular behind the cutter clamping, and main cutting edge is located the farthest. The rear side of the main cutting edge is provided with a relief angle, the two auxiliary cutting edges are provided with auxiliary relief angles, the front cutter face has a forward inclination angle relative to a vertical plane after the cutter is clamped, and the main cutting edge is located at the farthest end. The two sides of the front tool face are auxiliary rear tool faces, the bottom of the tool is a main rear tool face, and the top of the tool is a tool handle. The thickness of cutter feed direction is greater than the width of both sides, and the rake face department is widest, and along vice back knife face width diminish gradually backward, the height of cutter diminishes from the front to back along main back knife face gradually.
Referring to fig. 7 and 8, the vise 2 is a general vise, and when the vise 2 is used to clamp the workpiece 3, the self-made tool 1 is used to cut the workpiece according to a program, thereby solving the problem that the root of the groove cannot form a right angle.
The other shapes of the workpiece are milled before the process arrangement, and finally the groove is processed. When a groove is machined, the workpiece 3 is clamped by the vice 2, a machining origin on the workpiece is determined, the cutter 1 is used for carrying out circular cutting according to a macro program, and the cutting depth is only set to be 0.05mm each time, so that the cutting edge is protected. And (3) machining the bottom surface of the groove by the main cutting edge and the side wall of the groove by the auxiliary cutting edge of the cutter during machining, and finally machining the groove with a right angle at the corner.
Claims (8)
1. The utility model provides a straight flute processing cutter, includes the rake face, its characterized in that: the front tool face on the front side of the cutter is rectangular, the rectangular straight edge at the far end of the front tool face is a main cutting edge, the rectangular straight edges on two sides are auxiliary cutting edges, the rear side of the main cutting edge is provided with a relief angle, the two auxiliary cutting edges are provided with auxiliary relief angles, the front tool face has a forward inclination angle compared with a vertical face after the cutter is clamped, and the main cutting edge is located at the far end.
2. The straight flute machining tool according to claim 1, characterized in that: the two sides of the front tool face are auxiliary rear tool faces, the bottom of the tool is a main rear tool face, and the top of the tool is a tool handle.
3. The straight flute machining tool according to claim 1, characterized in that: the thickness of cutter feed direction is greater than the width of both sides, and the rake face department is widest, and along vice back knife face width diminish gradually backward, the height of cutter diminishes from the front to back along main back knife face gradually.
4. A straight flute processing method comprises the cutter and is characterized in that: and (3) clamping a part to be machined, determining a machining original point, cutting off a layer of material at the end, which is advanced by a certain distance, of the machining surface by the cutter in each cutting cycle, and then returning to a far point, and continuously circulating the cutter downwards for a certain distance after each cycle is finished until the straight groove machining is finished.
5. The straight groove processing method according to claim 4, wherein: the cutting depth is less than 0.05mm each time.
6. The straight groove processing method according to claim 4, wherein: and (3) machining the bottom surface of the groove by the main cutting edge and the side wall of the groove by the auxiliary cutting edge of the cutter during machining, and finally machining the groove with a right angle at the corner.
7. The straight groove processing method according to claim 4, wherein: and clamping the part to be processed by adopting a vice.
8. The straight groove processing method according to claim 4, wherein: and machining parts by adopting a numerical control milling machine, programming a macro program, and circularly cutting by using a cutter according to the macro program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973631.7A CN112091298A (en) | 2020-09-16 | 2020-09-16 | Straight groove machining tool and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010973631.7A CN112091298A (en) | 2020-09-16 | 2020-09-16 | Straight groove machining tool and machining method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112091298A true CN112091298A (en) | 2020-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010973631.7A Pending CN112091298A (en) | 2020-09-16 | 2020-09-16 | Straight groove machining tool and machining method |
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| CN (1) | CN112091298A (en) |
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