CN1810439A - Machining process of hemisphere for cylinder in automobile air conditioner compressor - Google Patents
Machining process of hemisphere for cylinder in automobile air conditioner compressor Download PDFInfo
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- CN1810439A CN1810439A CN 200510038839 CN200510038839A CN1810439A CN 1810439 A CN1810439 A CN 1810439A CN 200510038839 CN200510038839 CN 200510038839 CN 200510038839 A CN200510038839 A CN 200510038839A CN 1810439 A CN1810439 A CN 1810439A
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Abstract
The machining process of the present invention can machine hemisphere for cylinder in automobile air conditioner compressor with high precision, easy assembling, low use noise and high wear resistance. The machining process includes the following steps: sorting material, coarse turning, grinding the large plane, turning the chamfer, turning the oil sump, finishing the large plane, grinding the small plane, polishing, dewatering and stoving, and final inspection.
Description
(1) technical field
The present invention relates to the processing method of hemisphere for cylinder in automobile air conditioner compressor.
(2) background technology
China's hemisphere for cylinder in automobile air conditioner compressor majority costs an arm and a leg from Korea S's import at present.Though its precision is than home products height, but requirement on the industry standard, its precision is still lower, and tolerance is not of uniform size causes, and can't realize the streamline assembling, just because tolerance is inconsistent, part workpiece assembling back cooperates bad, noise is bigger in the use, and is easy to wear, thereby has influence on the service life of compressor.
(3) summary of the invention
At existing hemisphere for cylinder in automobile air conditioner compressor, its tolerance is not of uniform size to be caused, and part workpiece assembling back cooperates bad, noise is bigger in the use, and is easy to wear, thereby has influence on the compressor shortcoming in service life, the invention provides a kind of processing method of hemisphere for cylinder in automobile air conditioner compressor, by the hemisphere that this method is made, its precision is higher, the tolerance unanimity, be convenient to the streamline assembling, noise is little in the use, and is not easy to wear, and the service life of compressor is longer.
The processing method of hemisphere for cylinder in automobile air conditioner compressor: it is characterized in that: it may further comprise the steps:
A, selection
Adopt hardness to be at least the steel ball of HRC 60;
B, rough turn
With lathe steel ball is carried out turning, planker drives tool feeding during turning, when the amesdial of planker roof pressure lathe, and when amesdial reaches predetermined value, the cutter feed-disabling, the height tolerance that makes hemisphere is in ± 0.1mm;
C, the big plane of grinding
The fixture for grinding machine matrix evenly is heated to 150 ℃-180 ℃, thermosol in the interior hemisphere locating hole of anchor clamps is dissolved, hemisphere is put into locating hole, and intermediary paper is spread on the surface of workpiece up then in the plane of its bottom, it is fastening to cover pressing plate, after clip base is cooled to normal temperature, shed pressing plate, anchor clamps are placed the workbench of lathe, fastening back grinding, the tolerance of the hemisphere height after the grinding in ± 0.02mm, surface roughness≤0.5;
D, turning chamfering form chamfering with lathe turning hemisphere base plane and spherical junction, and planker drives tool feeding during turning, when the amesdial of planker roof pressure grinding machine, and when amesdial reaches predetermined value, the cutter feed-disabling;
E, turning oil hole
Cheat at the bottom of hemisphere turning taper shape with instrument lathe;
F, finish grind big plane
With grinder grinding work piece base plane, plane roughness≤0.2, hemisphere height tolerance are in ± 0.015mm;
G, grinding facet
With the top of the program control grinding machine hemisphere in plane, make grinding surface roughness≤0.2; With the depth of parallelism on big plane in ± 0.0025mm;
H, polishing processing
Workpiece and abrasive material are packed in the bucket of polishing grinder, and add entry, lapping liquid, brightener, tarry matter 50 to 60 minutes
Wherein: the ratio of workpiece, abrasive material, lapping liquid, brightener, water: workpiece 280-320 spare, abrasive material 18-20 kilogram, lapping liquid 0.4-0.6 kilogram, brightener 0.4-0.6 kilogram, water are an amount of;
I, dewatered drying
With workpiece clear water washes clean, then workpiece is placed dehydrated oil earlier, workpiece is picked up, dries
J, inspection eventually
Select certified products.
Adopt the hemisphere of above-mentioned explained hereafter, its precision can reach 0.001mm, precision height like this, product tolerance basically identical, be fit to the streamline assembling, again owing to the tolerance unanimity, workpiece assembling back cooperates better, little even the noiselessness of noise in the use, wearing and tearing are few, thus the service life of guaranteeing compressor.
(4) description of drawings
Fig. 1 is a process chart of the present invention;
Fig. 2 is the structural representation of the rough turn used lathe of technology of the present invention;
Fig. 3 locatees the structural representation of used anchor clamps for workpiece in the operation of the big plane of technology grinding of the present invention.
(5) specific embodiment
Below in conjunction with Fig. 1, Fig. 2, Fig. 3 technical process of the present invention is described: adopt hardness to be at least the steel ball of HRC60, the diameter of steel ball can be selected 14.2875 millimeters for use, with precision meter lathe steel ball is carried out turning, see Fig. 2, rough turn used lathe comprises deck plate 1, transmission case 3, vertical planker 5, cross slide 6, the end of the moving direction of corresponding vertical planker 5 or cross slide 6, it is clamping device that the gripper shoe 7 that is installed on deck plate 1 is equipped with amesdial 4,2.Among Fig. 2,11,13 are respectively traverse feed and length feed handle, and handle 11 is set in axle 10, and axle 10 is set with gear 9, gear 9 and tooth bar 12 engagements, and tooth bar 12 is connected with cross slide 6 by connecting plate 8; Length feed handle 13 is the same with the annexation of vertical planker 5.During the traverse feed cutter, turning handle 11, gear 9 drives cross slide 6 and moves by tooth bar 12, connecting plate 8, realizes the feeding of cutter, and the process of length feed cutter is the same.Adjust the position of amesdial according to the required dimensional requirement that reaches in workpiece processing back, test the excursion of amesdial show value again according to the margin of tolerance of workpiece, add man-hour like this, operating personnel can control the amount of feeding according to the tabular value of amesdial, thereby the tolerance of control workpiece within the specific limits.Amesdial is installed on the end of vertical planker 5 directions of feed among Fig. 2, can certainly be installed on the end of cross slide 6, decides according to the requirement of processing.Vertical planker 5 drives tool feeding during turning, amesdial 4 when the vertical planker 5 roof pressure lathes of feeding, when amesdial 4 reaches predetermined value, vertical planker 5 feed-disablings, the height of hemisphere is at 8.05mm-8.15mm, then workpiece is carried out grinding, see Fig. 3, earlier the jig matrix evenly is heated to 150 ℃-180 ℃, optimum temperature is 165 ℃, making the thermosols in the hemisphere locating hole 23 dissolve in the anchor clamps, (thermosol that uses among the present invention is that southern station, Wuxi City suburb health is sent out chemical industry and managed the thermosol of the trade mark of store sales as S01, and its main component is an EVA po terpene resin eutectic, and its tensile strength is 20Kg/cm
2, rate elongation 1250%, can certainly select other thermosol, as long as guarantee fast at short notice instantizing and solidify fast).Clip base comprises two-layered steel plates 21,24, between connect with screw, 20 represents screw, locating hole 23 is the cylindrical hole that is arranged at upper strata steel plate 21, the height of through hole 23 is less than required hemisphere sphere diameter height; The hardness of steel plate 24 is greater than the hardness of the hemisphere of required processing.Hemisphere is put into locating hole 23, the plane of its bottom up, then at the shop, surface of workpiece intermediary paper, rotate handwheel, it is descending to drive connecting plate 17 by double-screw bolt 14, behind roof pressure head 19 contact workpieces, spring 18 is compressed, roof pressure head 19 workpiece pressings, after clip base is cooled to normal temperature, shed roof pressure head 19, clamp body is placed the workbench of lathe, fastening back grinding, the height of hemisphere between 7.96mm-7.98mm, surface roughness≤0.5 (among Fig. 3 15 be swivel nut, 16 for the roof pressure post, 25 for support, 26 for upper cover plate, 22 for support); Use instrument lathe turning hemisphere base plane and spherical junction again, form chamfering, planker drives tool feeding during turning, amesdial when planker roof pressure grinding machine, when amesdial reaches predetermined value, the cutter feed-disabling, the circular arc of chamfering is decided as requested, and decide according to the direction of feed of cutter the installation site of amesdial; Then cheat at the bottom of hemisphere turning taper shape oil with instrument lathe, the degree of depth in oil hole is decided on requirement; Finish grind big plane again, with grinder grinding work piece base plane, plane roughness≤0.2 of base plane, the height tolerance of hemisphere at ± 0.015mm with interior (concrete hemisphere height is decided according to customer requirement); Follow the grinding facet, the top with the program control grinding machine hemisphere in plane makes grinding face surface roughness≤0.2; With the depth of parallelism on big plane in ± 0.0025mm; Then polishing processing again, with workpiece, abrasive material, lapping liquid, brightener, water pack into the polishing grinder the bucket in, tarry matter 50 to 60 minutes, Best Times 55 minutes, the ratio of workpiece, abrasive material, lapping liquid, brightener, water wherein: workpiece 280-320 spare, abrasive material 18-20 kilogram, lapping liquid 0.4-0.6 kilogram, brightener 0.4-0.6 kilogram, water are an amount of, and 300 of optimal proportion workpiece, 19 kilograms in abrasive material, 0.5 kilogram of lapping liquid, 0.5 kilogram of brightener, water are an amount of; The product that abrasive material, lapping liquid and brightener all can select for use Wuxi brilliance polishing abrasive material factory to produce, wherein abrasive material is the bar magnet of 4mm * 8mm, and lapping liquid is the universal product, and the trade mark of brightener is T-18.Last dewatered drying earlier with workpiece clear water washes clean, places dehydrated oil with workpiece then, and workpiece is picked up, dries, and certified products are selected in inspection eventually.Adopt this explained hereafter hemisphere, the size of blank is decided the dimensional requirement of hemisphere on the user during its selection.
Claims (1)
1, the processing method of hemisphere for cylinder in automobile air conditioner compressor, it is characterized in that: it may further comprise the steps,
A, selection
Adopt hardness to be at least the steel ball of HRC 60;
B, rough turn
With lathe steel ball is carried out turning, planker drives tool feeding during turning, when the amesdial of planker roof pressure lathe, and when amesdial reaches predetermined value, the cutter feed-disabling, the height tolerance that makes hemisphere is in ± 0.1mm;
C, the big plane of grinding
The fixture for grinding machine matrix evenly is heated to 150 ℃-180 ℃, thermosol in the interior hemisphere locating hole of anchor clamps is dissolved, hemisphere is put into locating hole, and intermediary paper is spread on the surface of workpiece up then in the plane of its bottom, it is fastening to cover pressing plate, after clip base is cooled to normal temperature, shed pressing plate, anchor clamps are placed the workbench of lathe, fastening back grinding, the tolerance of the hemisphere height after the grinding in ± 0.02mm, surface roughness≤0.5;
D, turning chamfering
With lathe turning hemisphere base plane and spherical junction, form chamfering, planker drives tool feeding during turning, when the amesdial of planker roof pressure grinding machine, when amesdial reaches predetermined value, the cutter feed-disabling;
E, turning oil hole
Cheat at the bottom of hemisphere turning taper shape with instrument lathe;
F, finish grind big plane
With grinder grinding work piece base plane, plane roughness≤0.2, hemisphere height tolerance are in ± 0.015mm;
G, grinding facet
With the top of the program control grinding machine hemisphere in plane, make grinding surface roughness≤0.2; With the depth of parallelism on big plane in ± 0.0025mm;
H, polishing processing
Workpiece and abrasive material are packed in the bucket of polishing grinder, and add entry, lapping liquid, brightener, tarry matter 50 to 60 minutes
Wherein: the ratio of workpiece, abrasive material, lapping liquid, brightener, water: workpiece 280-320 spare, abrasive material 18-20 kilogram, lapping liquid 0.4-0.6 kilogram, brightener 0.4-0.6 kilogram, water are an amount of;
I, dewatered drying
With workpiece clear water washes clean, then workpiece is placed dehydrated oil earlier, workpiece is picked up, dries;
J, inspection eventually
Select certified products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100388395A CN100455402C (en) | 2005-04-08 | 2005-04-08 | Machining process of hemisphere for cylinder in automobile air conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100388395A CN100455402C (en) | 2005-04-08 | 2005-04-08 | Machining process of hemisphere for cylinder in automobile air conditioner compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1810439A true CN1810439A (en) | 2006-08-02 |
| CN100455402C CN100455402C (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100388395A Expired - Fee Related CN100455402C (en) | 2005-04-08 | 2005-04-08 | Machining process of hemisphere for cylinder in automobile air conditioner compressor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152193A (en) * | 2011-02-25 | 2011-08-17 | 哈尔滨工业大学 | Method for grinding superhard mini-hemispheric coupling parts |
| CN102380821A (en) * | 2011-10-28 | 2012-03-21 | 江苏上齿集团有限公司 | Bevel gear shaft dual-positioning grinding fixture |
| CN102513834A (en) * | 2011-12-07 | 2012-06-27 | 齐重数控装备股份有限公司 | Method for assembling high-precision rotary worktable of vertical milling-turning center |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07115099B2 (en) * | 1987-12-18 | 1995-12-13 | 株式会社日立製作所 | Hardened ball cutting method |
| DE29723542U1 (en) * | 1997-03-26 | 1998-11-19 | OptoTech Optikmaschinen GmbH, 35435 Wettenberg | Device for processing optical lenses |
| CN1109588C (en) * | 1998-11-19 | 2003-05-28 | 河南省温县金星机械厂 | Technology for making semi-finished regulating arm and ball-upsetting equipment |
| CN1240888A (en) * | 1999-06-04 | 2000-01-12 | 陈村豪 | Method for manufacutring connecting-rod of piston in compressor of air conditioner for car |
| WO2002016975A2 (en) * | 2000-08-21 | 2002-02-28 | Siwave, Inc. | Lens arrays and methods of making the lens array |
| CN1205007C (en) * | 2001-07-11 | 2005-06-08 | 上海泛联科技股份有限公司 | Production process of ceramic ball and its equipment |
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2005
- 2005-04-08 CN CNB2005100388395A patent/CN100455402C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152193A (en) * | 2011-02-25 | 2011-08-17 | 哈尔滨工业大学 | Method for grinding superhard mini-hemispheric coupling parts |
| CN102380821A (en) * | 2011-10-28 | 2012-03-21 | 江苏上齿集团有限公司 | Bevel gear shaft dual-positioning grinding fixture |
| CN102380821B (en) * | 2011-10-28 | 2013-07-10 | 江苏上齿集团有限公司 | Bevel gear shaft dual-positioning grinding fixture |
| CN102513834A (en) * | 2011-12-07 | 2012-06-27 | 齐重数控装备股份有限公司 | Method for assembling high-precision rotary worktable of vertical milling-turning center |
| CN102513834B (en) * | 2011-12-07 | 2014-01-22 | 齐重数控装备股份有限公司 | Method for assembling high-precision rotary worktable of vertical milling-turning center |
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| Publication number | Publication date |
|---|---|
| CN100455402C (en) | 2009-01-28 |
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