CN101596666B - Processing technology for housing of cooler of vehicle engine exhaust gas recirculation system - Google Patents
Processing technology for housing of cooler of vehicle engine exhaust gas recirculation system Download PDFInfo
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- CN101596666B CN101596666B CN2009100169377A CN200910016937A CN101596666B CN 101596666 B CN101596666 B CN 101596666B CN 2009100169377 A CN2009100169377 A CN 2009100169377A CN 200910016937 A CN200910016937 A CN 200910016937A CN 101596666 B CN101596666 B CN 101596666B
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- slotted holes
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Abstract
The invention discloses a processing technology for the housing of a cooler of a vehicle engine exhaust gas recirculation system, comprising the following steps: two lower boss surfaces are milled, and an alloy bit is used for drilling slot holes and reaming the chamfers of the slot hole; two upper boss surfaces, an upper table surface and a small table surface are milled; chambering is drilled, and the chamfer of the chambering is reamed; the threaded holes of the upper table surface and the small table surface are drilled and tapped, and the chamfers of the threaded holes of the upper table surface and the small table surface are reamed; a big end surface is milled, the threaded hole of the big end surface is drilled, and the chamfer of the threaded hole of the big end surface is reamed; a side table surface is milled, the threaded hole of the side table surface is drilled, and the chamfer of the threaded hole of the side table surface is reamed; the small end surface is milled, the threaded hole of a small end surface is driller, and the chamfer of the threaded hole of the small end surface is reamed; a small end through hole is roughly and finely bored; a big end through hole is bored; and the chamfer of a big end inner bore is chamfered. Each working procedure of the technology process of the invention has reasonable arrangement, and is convenient for positioning and tightly clamping workpiece so as to ensure the precision acquirement and high processing efficiency of the workpiece.
Description
Technical field
The present invention relates to a kind of processing technology of housing of cooler of vehicle engine exhaust gas recirculation system.
Background technology
The waste gas recirculation control system of automobile engine, it is to be incorporated in the incoming mixture of air inlet pipe after the cools down of a part of discharging waste gas through the waste gas recirculation control system in the blast pipe, oxygen concentration and maximum combustion temperature in the cylinder are reduced, control engine pernicious gas NO
XGeneration, thereby reach the purpose that reduces discharging.Housing of cooler is a major product part of waste gas recirculation control system.For the engine cooling apparatus shell that makes the waste gas recirculation control system reaches required precision in process, need to formulate the special processing technology of a cover, also there is not such technology at present.
Summary of the invention
The technical problem to be solved in the present invention is: the processing technology that the housing of cooler of the high vehicle engine exhaust gas recirculation system of a kind of working (machining) efficiency and precision is provided.
In order to solve the problems of the technologies described above, the present invention includes following steps:
A is a coarse positioning with interior side-locating face, epirelief table top and the side of the rough casting of housing of cooler, with lifting hydraulic cylinder support carrying out coarse positioning, clamp rough casting with hydraulic rotary pressing plate clamping tool, machining blanks foundry goods on vertical machining centre, mill two lower convex platform faces with φ 100 face cutter cutters, bore slotted hole with alloy bit, with the chamfering of chamfering counterbit ream slotted hole;
B after with processing the lower convex platform face and the slotted holes location, two diagonal angles in four slotted holes, support with the lifting hydraulic cylinder assist location, clamp with hydraulic rotary pressing plate clamping tool, on vertical machining centre, process, mill two epirelief table tops, upper table surface and little table top with φ 100 face cutter cutters; Bore reaming with alloy bit, with the chamfering of chamfering counterbit ream reaming;
C after with processing the lower convex platform face and the slotted holes location, two diagonal angles in four slotted holes, support the location with lifting hydraulic cylinder, clamp with hydraulic rotary pressing plate clamping tool, on vertical machining centre, process, bore the chamfering of attacking upper table surface screwed hole and little table top screwed hole and ream upper table surface screwed hole and little table top screwed hole;
D after with processing the lower convex platform face and two diagonal angle slotted holes in four slotted holes be locating surface, clamp with hydraulic rotary pressing plate clamping tool, on horizontal Machining centers, process, mill large end face with φ 150 face cutter cutters, bore the large end face screwed hole with alloy bit, with the chamfering of chamfering counterbit ream large end face screwed hole;
E after with processing the lower convex platform face and two diagonal angle slotted holes in four slotted holes be locating surface, clamp with hydraulic rotary pressing plate clamping tool, on horizontal Machining centers, process, mill the side stage face with φ 80 face cutter cutters, bore side stage face screwed hole with alloy bit, with the chamfering of chamfering counterbit ream side stage face screwed hole;
F after with processing the lower convex platform face and two diagonal angle slotted holes in four slotted holes be locating surface, clamp with hydraulic rotary pressing plate clamping tool, on horizontal Machining centers, process, mill small end face with φ 100 face cutter cutters, bore the small end face screwed hole with alloy bit, with the chamfering of chamfering counterbit ream small end face screwed hole;
G after with processing the lower convex platform face and two diagonal angle slotted holes in four slotted holes be locating surface, clamp with hydraulic rotary pressing plate clamping tool, on horizontal Machining centers, process, with alloy boring cutter cutter, thick, right boring small end through hole;
H after with processing the lower convex platform face and two diagonal angle slotted holes in four slotted holes be locating surface, clamp with hydraulic rotary pressing plate clamping tool, on horizontal Machining centers, process, with the big end through hole of alloy boring cutter cutter boring; With Hole chamfering in the big end of alloy boring cutter chamfering tool.
The invention has the beneficial effects as follows: each procedure arrangement of technical process of the present invention is reasonable, is convenient to workpiece location and clamping, can guarantee the required precision of workpiece, the working (machining) efficiency height.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of housing of cooler of the present invention; The plan structure schematic diagram of Fig. 2 housing of cooler of the present invention; Fig. 3 be among Fig. 2 B to schematic diagram; Fig. 4 be among Fig. 2 A to schematic diagram; Fig. 5 is a D-D cut-away view among Fig. 2.
Among the figure: 1, large end face, 2, interior side-locating face, 3, upper table surface, 4, Hole chamfering in the big end, 5, epirelief table top, 6, side stage face screwed hole, 7, small end face, 8, lower convex platform face, 9, the upper table surface screwed hole, 10, slotted hole, 11, reaming, 12, the side stage face, 13, little table top screwed hole, 14, little table top, 15, the small end face screwed hole, 16, the small end through hole, 17, large end face screwed hole, 18, hold through hole greatly, 19, the side.
The specific embodiment
As the housing of cooler of a kind of vehicle engine exhaust gas recirculation system of Fig. 1-shown in Figure 5, it comprises Hole chamfering 4 in large end face 1, interior side-locating face 2, upper table surface 3, the big end, epirelief table top 5, side stage face screwed hole 6, small end face 7, lower convex platform face 8, upper table surface screwed hole 9, slotted hole 10, reaming 11, side stage face 12, little table top screwed hole 13, little table top 14, small end face screwed hole 15, small end through hole 16, large end face screwed hole 17, holds through hole 18 and side 19 greatly.
The processing technology of the housing of cooler of this vehicle engine exhaust gas recirculation system comprises the steps:
A is a coarse positioning with interior side-locating face 2, epirelief table top 5 and the side 19 of the rough casting of housing of cooler, supports with the lifting hydraulic cylinder assist location, clamps with hydraulic rotary pressing plate clamping tool, processes on the CMV-1050A vertical machining centre.Mill two lower convex platform faces 8 with φ 100 face cutter cutters, bore slotted hole 10, with the chamfering of chamfering counterbit ream slotted hole 10 with alloy bit.
B after with processing lower convex platform face 8 and the slotted holes location, two diagonal angles in four slotted holes 10, support with the lifting hydraulic cylinder assist location, clamp with hydraulic rotary pressing plate clamping tool, on the CMV-1050A vertical machining centre, process.Mill two epirelief table tops 5, upper table surface 3 and little table top 14 with φ 100 face cutter cutters; Bore reaming 11 with alloy bit, with the chamfering of chamfering counterbit ream reaming 11.
C after with processing lower convex platform face 8 and the slotted holes location, two diagonal angles in four slotted holes 10, support with the lifting hydraulic cylinder assist location, clamp with hydraulic rotary pressing plate clamping tool, on the CMV-1050A vertical machining centre, process.Brill is attacked the chamfering of upper table surface screwed hole 9 and little table top screwed hole 13 and ream upper table surface screwed hole 9 and little table top screwed hole 13.
D after with processing lower convex platform face 8 and the slotted holes location, two diagonal angles in four slotted holes 10, clamp rough casting with hydraulic rotary pressing plate clamping tool, on the KH63G horizontal Machining centers, process.Mill large end face 1 with φ 150 face cutter cutters, bore large end face screwed hole 17, with the chamfering of chamfering counterbit ream large end face screwed hole 17 with alloy bit.
E after with processing lower convex platform face 8 and the slotted holes location, two diagonal angles in four slotted holes 10, clamp with hydraulic rotary pressing plate clamping tool, on the KH63G horizontal Machining centers, process.Mill side stage face 12 with φ 80 face cutter cutters, bore side stage face screwed hole 6, with the chamfering of chamfering counterbit ream side stage face screwed hole 6 with alloy bit.
F after with processing lower convex platform face 8 and the slotted holes location, two diagonal angles in four slotted holes 10, clamp with hydraulic rotary pressing plate clamping tool, machining blanks foundry goods on the KH63G horizontal Machining centers, mill small end face 7 with φ 100 face cutter cutters, bore small end face screwed hole 15 with alloy bit, with the chamfering of chamfering counterbit ream small end face screwed hole 15.
G after with processing lower convex platform face 8 and the slotted holes location, two diagonal angles in four slotted holes 10, clamp with hydraulic rotary pressing plate clamping tool, on the KH80G horizontal Machining centers, process.With alloy boring cutter cutter, thick, right boring small end through hole 16.
H after with processing lower convex platform face 8 and the slotted holes location, two diagonal angles in four slotted holes 10, clamp with hydraulic rotary pressing plate clamping tool, on the KH80G horizontal Machining centers, process.With the big end through hole 18 of alloy boring cutter cutter boring; With Hole chamfering 4 in the big end of alloy boring cutter chamfering tool.
Claims (1)
1. the processing technology of the housing of cooler of a vehicle engine exhaust gas recirculation system is characterized in that: comprise the steps:
A is a coarse positioning with the interior side-locating face (2) of the rough casting of housing of cooler, epirelief table top (5) and side (19), with lifting hydraulic cylinder support carrying out coarse positioning, clamp rough casting with hydraulic rotary pressing plate clamping tool, machining blanks foundry goods on vertical machining centre, mill two lower convex platform faces (8) with φ 100 face cutter cutters, bore slotted hole (10) with alloy bit, with the chamfering of chamfering counterbit ream slotted hole (10);
B is with the slotted holes location, two diagonal angles in the lower convex platform face (8) after processing and four slotted holes (10), support with the lifting hydraulic cylinder assist location, clamp with hydraulic rotary pressing plate clamping tool, on vertical machining centre, process, mill two epirelief table tops (5), upper table surface (3) and little table top (14) with φ 100 face cutter cutters; Bore reaming (11) with alloy bit, with the chamfering of chamfering counterbit ream reaming (11);
C is with the slotted holes location, two diagonal angles in the lower convex platform face (8) after processing and four slotted holes (10), support the location with lifting hydraulic cylinder, clamp with hydraulic rotary pressing plate clamping tool, on vertical machining centre, process, bore the chamfering of attacking upper table surface screwed hole (9) and little table top screwed hole (13) and ream upper table surface screwed hole (9) and little table top screwed hole (13);
D is with the slotted holes location, two diagonal angles in the lower convex platform face (8) after processing and four slotted holes (10), clamp with hydraulic rotary pressing plate clamping tool, on horizontal Machining centers, process, mill large end face (1) with φ 150 face cutter cutters, bore large end face screwed hole (17) with alloy bit, with the chamfering of chamfering counterbit ream large end face screwed hole (17);
E is with the slotted holes location, two diagonal angles in the lower convex platform face (8) after processing and four slotted holes (10), clamp with hydraulic rotary pressing plate clamping tool, on horizontal Machining centers, process, mill side stage face (12) with φ 80 face cutter cutters, bore side stage face screwed hole (6) with alloy bit, with the chamfering of chamfering counterbit ream side stage face screwed hole (6);
F is with the slotted holes location, two diagonal angles in the lower convex platform face (8) after processing and four slotted holes (10), clamp with hydraulic rotary pressing plate clamping tool, on horizontal Machining centers, process, mill small end face (7) with φ 100 face cutter cutters, bore small end face screwed hole (15) with alloy bit, with the chamfering of chamfering counterbit ream small end face screwed hole (15);
G clamps with hydraulic rotary pressing plate clamping tool with the slotted holes location, two diagonal angles in the lower convex platform face (8) after processing and four slotted holes (10), processes on horizontal Machining centers, with alloy boring cutter cutter, thick, right boring small end through hole (16);
H clamps with hydraulic rotary pressing plate clamping tool with the slotted holes location, two diagonal angles in the lower convex platform face (8) after processing and four slotted holes (10), processes on horizontal Machining centers, with the alloy boring cutter cutter big end through hole of boring (18); With Hole chamfering (4) in the big end of alloy boring cutter chamfering tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100169377A CN101596666B (en) | 2009-06-30 | 2009-06-30 | Processing technology for housing of cooler of vehicle engine exhaust gas recirculation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100169377A CN101596666B (en) | 2009-06-30 | 2009-06-30 | Processing technology for housing of cooler of vehicle engine exhaust gas recirculation system |
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| CN101596666A CN101596666A (en) | 2009-12-09 |
| CN101596666B true CN101596666B (en) | 2010-12-08 |
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| CN2009100169377A Active CN101596666B (en) | 2009-06-30 | 2009-06-30 | Processing technology for housing of cooler of vehicle engine exhaust gas recirculation system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1152169A2 (en) * | 2000-04-28 | 2001-11-07 | Danobat, S. Coop. | Fabrication method of vehicle differential housing and device therefore |
| CN2937516Y (en) * | 2006-07-25 | 2007-08-22 | 上海齐耀动力技术有限公司 | Single cooling device for thermomotor |
| CN101036965A (en) * | 2007-04-24 | 2007-09-19 | 江苏恒义汽配制造有限公司 | Method for processing differential shell between the heavy automobile bridges |
| CN101362279A (en) * | 2008-09-05 | 2009-02-11 | 江西江铃底盘股份有限公司 | Processing technique of split type speed differentiator shell |
-
2009
- 2009-06-30 CN CN2009100169377A patent/CN101596666B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1152169A2 (en) * | 2000-04-28 | 2001-11-07 | Danobat, S. Coop. | Fabrication method of vehicle differential housing and device therefore |
| CN2937516Y (en) * | 2006-07-25 | 2007-08-22 | 上海齐耀动力技术有限公司 | Single cooling device for thermomotor |
| CN101036965A (en) * | 2007-04-24 | 2007-09-19 | 江苏恒义汽配制造有限公司 | Method for processing differential shell between the heavy automobile bridges |
| CN101362279A (en) * | 2008-09-05 | 2009-02-11 | 江西江铃底盘股份有限公司 | Processing technique of split type speed differentiator shell |
Non-Patent Citations (1)
| Title |
|---|
| JP平9-229163A 1997.09.02 |
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