CN102990312B - Impact base machining process - Google Patents
Impact base machining process Download PDFInfo
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- CN102990312B CN102990312B CN201210569821.8A CN201210569821A CN102990312B CN 102990312 B CN102990312 B CN 102990312B CN 201210569821 A CN201210569821 A CN 201210569821A CN 102990312 B CN102990312 B CN 102990312B
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- milling
- striker
- clamps
- chamfering
- fixture
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- 238000003754 machining Methods 0.000 title abstract 5
- 238000003801 milling Methods 0.000 claims abstract description 75
- 230000003746 surface roughness Effects 0.000 claims abstract description 16
- 210000002435 tendon Anatomy 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 18
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 9
- 235000011613 Pinus brutia Nutrition 0.000 claims description 9
- 241000018646 Pinus brutia Species 0.000 claims description 9
- 239000006227 byproduct Substances 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Milling Processes (AREA)
Abstract
The invention relates to an impact base machining process which mainly solves the problem that form and location tolerance of workpieces cannot be ensured by utilizing the existing machining process due to instability of machine tools. The impact base machining process is characterized by comprising the following steps: 1) marking lines; 2) milling a top surface (1), 3) milling an end surface (2); 4) marking lines; 5) roughly milling two lateral surfaces (3); 6) marking lines; 7) fine milling the two lateral surfaces (3); 8) planing arcs (4); 9) milling chamfers A (5); 10) milling chamfers B (9), 11) drilling holes (7); 12) cutting tendons in vapor mode; 13) burring; and 14) checking. The impact base machining base is reasonable, capable of ensuring dimension accuracy, position accuracy, surface roughness and other techniques on parts to meet the requirements.
Description
Technical field
The present invention relates to a kind of railway freight-car field accessory processing technology, especially
oneplant striker processing technology.
Background technology
Striker is an important accessory on railway freight-car central sill, and this product is integral cast steel part, complex-shaped, and production lot is large, for guaranteeing, under the safe and reliable prerequisite of lorry, to be applied to central sill.When front draft lug is stressed, reach on central sill, hitch is when buffering, and striker plays the effect of load capacity.According to part working position, guarantee to make the every technology of each dimensional accuracy, positional precision, surface roughness on part to reach requirement.Existing processing technology, because lathe is unstable, the Geometrical Tolerance Principle of workpiece is difficult to ensure card often.Therefore in order to improve crudy and the production efficiency of part, must formulate rational processing technology.
Summary of the invention
The invention reside in and overcome the existing processing technology of utilizing because lathe is unstable existing in background technology and make the Geometrical Tolerance Principle of workpiece be difficult to guaranteed problem, and provide
oneplant striker processing technology, this striker processing technology, processing technology is reasonable, can guarantee to make the every technology of each dimensional accuracy, positional precision, surface roughness on part to reach requirement.
The present invention solves its problem and can reach by following technical solution: this striker processing technology, comprises the following steps:
1) line;
2) milling end face: striker is contained on vertical milling jig, and centering, clamps; With 90 ° of circular peripheral-mills, by line milling end face, surface roughness is 50 μ m;
3) end face milling: striker is placed on the fixture of sleeping milling workbench, clamps; With φ 150 circular peripheral-mill end face millings, surface roughness is 50 μ m, and flatness is 0.5mm;
4) line;
5) rough mill two sides: striker is placed on double column milling machine fixture, clamps; By plane on special-purpose milling cutter milling convex tendon; Milling concave surface, guarantees that two sides wall thickness is even; Perpendicularity is 0.5mm;
6) line;
7) finish-milling two sides: striker is placed on vertical milling fixture, clamps; By special-purpose milling cutter milling concave surface and trapezoidal faces, guarantee both sides evenly and perpendicularity 0.5mm; By striker pine folder, 180 ° of clampings overturn; Another concave surface of milling and trapezoidal faces, guarantee both sides evenly and perpendicularity 0.5mm;
8) plane circular arc: striker is placed on planer, clamps; Plane circular arc;
9) milling chamfering A: striker is placed on vertical milling fixture, clamps; By circular peripheral-mill milling chamfering; By striker pine folder, the 180 ° of clampings of overturning; Milling opposite side chamfering;
10) milling chamfering B: striker is placed on vertical milling fixture, clamps; By circular peripheral-mill milling chamfering; By striker pine folder, the 180 ° of clampings of overturning; Milling opposite side chamfering;
11) boring: first striker is placed on radial drilling machine and is clamped, then die for special purpose is placed on striker and is clamped; With φ 21 bit bores;
12) vapour cuts: cut muscle;
13) deburring;
14) check: by product figure, check each size of workpiece, and review outward appearance.
The present invention compares and can have following beneficial effect with above-mentioned background technology: this striker processing technology, the material type that solved part is inclined to one side, Casting tolerance large, difficult processing, the skimble-scamble problem of positioning datum, technique is reasonable, technological process is smooth and easy, adapt to and produce in enormous quantities, increase economic efficiency, guarantee product quality.
accompanying drawing explanation:
Accompanying drawing 1 is the front view of striker of the present invention;
Accompanying drawing 2 is top views of accompanying drawing 1;
Accompanying drawing 3 be in Fig. 2 A-A to revolved view;
Accompanying drawing 4 is C-C revolved views in Fig. 2;
Accompanying drawing 5 is D-D revolved views in Fig. 2.
In figure: 1-end face, 2-end face, 3-side, 4-circular arc, 5-chamfering A, 6-convex tendon, 7-hole, 8-concave surface, 9-chamfering B, 10-trapezoidal faces.
the specific embodiment:
Below in conjunction with accompanying drawing, the invention will be further described:
Shown in accompanying drawing 1 to Fig. 6, this striker processing technology, comprises the following steps:
1) line: striker is placed on platform, with the line of square centering; By 90 ° of striker upsets, with the line of square centering;
2) milling end face 1: striker is contained on vertical milling jig, and centering, clamps; With 90 ° of circular peripheral-mills, by line milling end face 1, surface roughness is 50 μ m, as shown in Figure 1;
3) end face milling 2: striker is placed on the fixture of sleeping milling workbench, clamps; With φ 150 circular peripheral-mill end face millings, surface roughness is 50 μ m, and flatness is 0.5mm, as shown in Figure 1;
4) line: striker is placed on platform, with the line of square centering;
5) rough mill two sides 3: striker is placed on double column milling machine fixture, clamps; By plane on special-purpose milling cutter milling convex tendon 6; Milling concave surface 8, guarantees that two sides wall thickness is even; Surface roughness is for being 50 μ m, and perpendicularity is 0.5mm, as shown in Figures 2 and 3;
6) line: striker is placed on platform and is rule;
7) finish-milling two sides 3: striker is placed on vertical milling fixture, clamps; By special-purpose milling cutter milling concave surface 8 and trapezoidal faces 10; Guarantee both sides evenly and perpendicularity 0.5; By striker pine folder, 180 ° of clampings overturn; Another concave surface of milling and trapezoidal faces, guarantee both sides evenly and perpendicularity 0.5mm; Surface roughness is 50 μ m, as shown in Figures 2 and 3;
8) plane circular arc 4: striker is placed on planer, clamps; Plane circular arc; Surface roughness is 50 μ m, as shown in Figure 1;
9) milling chamfering A5: striker is placed on vertical milling fixture, clamps; By circular peripheral-mill milling chamfering; By striker pine folder, the 180 ° of clampings of overturning; Milling opposite side chamfering; Surface roughness is 50 μ m, as shown in Figure 4;
10) milling chamfering B9: striker is placed on vertical milling fixture, clamps; By circular peripheral-mill milling chamfering; By striker pine folder, the 180 ° of clampings of overturning, milling opposite side chamfering, surface roughness is 50 μ m, as shown in Figure 5;
11) boring 7: first striker is placed on radial drilling machine and is clamped, then die for special purpose is placed on striker and is clamped; With φ 21 bit bores, surface roughness is 50 μ m, as shown in Figure 2;
12) vapour cuts: cut muscle, surface roughness is 50 μ m;
13) deburring: remove all burrs that processing causes with pneumatic grinder;
14) check: by product figure, check each size of workpiece, and review outward appearance.
Claims (1)
1. a striker processing technology, is characterized in that: comprise the following steps:
1) line;
2) milling end face (1): striker is contained on vertical milling jig, and centering, clamps; With 90 ° of circular peripheral-mills, by line milling end face, surface roughness is 50 μ m;
3) end face milling (2): striker is placed on the fixture of sleeping milling workbench, clamps; With φ 150 circular peripheral-mill end face millings, surface roughness is 50 μ m, and flatness is 0.5mm;
4) line;
5) rough mill two sides (3): striker is placed on double column milling machine fixture, clamps; By the upper plane of special-purpose milling cutter milling convex tendon (6); Milling concave surface (8), guarantees that two sides wall thickness is even; Perpendicularity is 0.5mm;
6) line;
7) finish-milling two sides (3): striker is placed on vertical milling fixture, clamps; By special-purpose milling cutter milling concave surface (8) and trapezoidal faces (10), guarantee both sides evenly and perpendicularity 0.5mm; By striker pine folder, 180 ° of clampings overturn; Another concave surface of milling and trapezoidal faces, guarantee both sides evenly and perpendicularity 0.5mm;
8) plane circular arc (4): striker is placed on planer, clamps; Plane circular arc R 35mm;
9) milling chamfering A(5): striker is placed on vertical milling fixture, clamps; By circular peripheral-mill milling chamfering; By striker pine folder, the 180 ° of clampings of overturning; Milling opposite side chamfering;
10) milling chamfering B(9): striker is placed on vertical milling fixture, clamps; By circular peripheral-mill milling chamfering; By striker pine folder, the 180 ° of clampings of overturning; Milling opposite side chamfering;
11) boring (7): first striker is placed on radial drilling machine and is clamped, then die for special purpose is placed on striker and is clamped; With φ 21 bit bores;
12) vapour cuts: cut muscle;
13) deburring;
14) check: by product figure, check each size of workpiece, and review outward appearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569821.8A CN102990312B (en) | 2012-12-25 | 2012-12-25 | Impact base machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569821.8A CN102990312B (en) | 2012-12-25 | 2012-12-25 | Impact base machining process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102990312A CN102990312A (en) | 2013-03-27 |
| CN102990312B true CN102990312B (en) | 2014-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210569821.8A Active CN102990312B (en) | 2012-12-25 | 2012-12-25 | Impact base machining process |
Country Status (1)
| Country | Link |
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| CN (1) | CN102990312B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104439966A (en) * | 2014-11-24 | 2015-03-25 | 苏州市福迈精密机械有限公司 | Machining process of connecting plate |
| CN104588980A (en) * | 2014-11-25 | 2015-05-06 | 吴中区长桥诚惠机械加工厂 | Machining technology of rectangular connecting rod |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201161591Y (en) * | 2008-01-18 | 2008-12-10 | 上海梅山钢铁股份有限公司 | Striking block component of special purpose vehicle |
| CN201626425U (en) * | 2009-12-22 | 2010-11-10 | 南车二七车辆有限公司 | Cut-nail preventive riveting impact seat for railway container transportation flat car |
| CN101992379A (en) * | 2010-10-29 | 2011-03-30 | 鞠小平 | Method for machining lever assembly of disc brake |
| WO2012091714A1 (en) * | 2010-12-30 | 2012-07-05 | Mcconway & Torley Llc | Improved coupler and clevis for a railway car |
-
2012
- 2012-12-25 CN CN201210569821.8A patent/CN102990312B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201161591Y (en) * | 2008-01-18 | 2008-12-10 | 上海梅山钢铁股份有限公司 | Striking block component of special purpose vehicle |
| CN201626425U (en) * | 2009-12-22 | 2010-11-10 | 南车二七车辆有限公司 | Cut-nail preventive riveting impact seat for railway container transportation flat car |
| CN101992379A (en) * | 2010-10-29 | 2011-03-30 | 鞠小平 | Method for machining lever assembly of disc brake |
| WO2012091714A1 (en) * | 2010-12-30 | 2012-07-05 | Mcconway & Torley Llc | Improved coupler and clevis for a railway car |
Non-Patent Citations (2)
| Title |
|---|
| 张东伟.酯硬化砂制造冲击座类铸钢件工艺研究.《铸造设备与工艺》.2012,(第2期), |
| 酯硬化砂制造冲击座类铸钢件工艺研究;张东伟;《铸造设备与工艺》;20120430(第2期);第21-25页 * |
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| Publication number | Publication date |
|---|---|
| CN102990312A (en) | 2013-03-27 |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District vision Street No. 1 Patentee after: QIQIHAER JINCHE INDUSTRY Co.,Ltd. Address before: 161002 Qigihar City, Heilongjiang province Tiefeng District vision Street No. 1 Patentee before: QIQIHAR JINCHE INDUSTRY Co. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231221 Address after: 161000 North end of Shuguang Street, Tiefeng District, Qiqihar City, Heilongjiang Province Patentee after: Qiqihar Jinche Casting Co.,Ltd. Address before: No. 1 Yuanjian Street, Tiefeng District, Qiqihar City, Heilongjiang Province, 161002 Patentee before: QIQIHAER JINCHE INDUSTRY Co.,Ltd. |
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