CN108526829A - A kind of line cutting slow wire feeding quickly manufactures the production technology of gear model machine - Google Patents
A kind of line cutting slow wire feeding quickly manufactures the production technology of gear model machine Download PDFInfo
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- CN108526829A CN108526829A CN201810603472.4A CN201810603472A CN108526829A CN 108526829 A CN108526829 A CN 108526829A CN 201810603472 A CN201810603472 A CN 201810603472A CN 108526829 A CN108526829 A CN 108526829A
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- Prior art keywords
- gear
- product
- wire feeding
- production technology
- line cutting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
Abstract
A kind of line cutting slow wire feeding of the present invention quickly manufactures the production technology of gear model machine, and the production technology includes：Step 1, sawing sheet, step 2 are rough turn, step 3 is tempered destressing, step 4, smart car mold base, step 5, line cutting slow wire feeding line cut tooth form, step 6, the processing of cnc numerically-controlled machine tools, step 7, surfaces nitrided processing, step 8, surface sand-blasting process add polishing, endoporus is processed in step 9 internal grinding, and it is short to manufacture the period for the accuracy of gear grade height of manufacturing process of the present invention, low manufacture cost, and it is suitable for various straight tooth-shaped Gear Processings, machined parameters are all consistent.Exemplar is identical as volume production part using effect for client's test, and gear surface hardness high-wearing feature is good and bending resistance is strong, while being finally processed by shot blasting to gear, and corrosion resistance is strong, and fever is few, is conducive to the service life for improving gear.
Description
Technical field
The present invention relates to a kind of field of machining, specially a kind of line cutting slow wire feeding quickly manufactures the life of gear model machine
Production. art.
Background technology
Gear is colyliform parts with teeth, is one of the most frequently used, most important part on machine.All it is usually to nibble in pairs
It closes, one of rotation, another is just driven.For changing transmission direction, rotation direction, velocity of rotation, torque etc., generally
Gear mass production is all by the way of casting, and by designing and developing die casting blank, customized molding cutter is in profession
Machine on process, and it is identical product that customized cutter, which is only used for flute profile, and flute profile difference just needs customized different knife
Tool, the customized cutter period is long, and cutter manufactures that cost is big, processes a qualified product, need to constantly debug and draw a design, and detection is qualified
It could normally produce.For the PM prototype model of research and development, since demand is less, usually only several, sometimes even only
There is one, and experiment time R＆D cycle is all fewer, of high cost with the pattern of volume production, the period is long, is to be unable to reach exemplar
Requirement.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, propose that a kind of line cutting slow wire feeding is quickly made
Make the production technology of gear model machine.
The technical problem to be solved by the present invention is to what is be achieved through the following technical solutions, a kind of line cutting slow wire feeding is quickly made
The production technology of gear model machine is made, the production technology includes the following steps
Step 1, sawing sheet：Material selection 20CrMo poles cut the pole with sawing machine, which compares product
The big 4-6mm of actual (real) thickness, the outer diameter are bigger 10-15mm than product maximum outside diameter；
Step 2, it is rough turn：It is rough turn integrally to stay product 1mm surpluses, maximum outside diameter bigger 10- than product maximum outside diameter
15mm；
Step 3 is tempered destressing：Product of the step 2 after rough turn is carried out to the heating of 150-250 DEG C of temperature, the product
Internal stress is removed by heating, reduces product and deforms, cracks in use；
Step 4, smart car mold base：The smart car is processed according to shape of product, and endoporus is unilateral to stay 0.05mm, and outer diameter is than production
The big 8-12mm of product maximum outside diameter, outer diameter cut smelting tool on-gauge plate according to line and match；
Step 5, line cutting slow wire feeding line cut tooth form：Linear cutter has on-gauge plate using smelting, and mold base is big in gear outer ring
4 holes, 90 degree of four directions of angle are worn at 1mm, line cuts processing respectively to stay a tooth not process on four punching edges, remaining tooth is cut
One repaiies one, is cut in slot online with 0.25 scale copper plug of thickness at each both ends of machined tooth after processing, and the copper sheet rises and leads
Electricity is fixed effect, is fixed with 502 glue on the copper sheet, and unprocessed four teeth are processed in the same fashion after glue is dry,
Completion of processing removes workpiece, presss from both sides out the copper sheet with pliers, then takes out gear；
Step 6, the processing of cnc numerically-controlled machine tools：The tooth shape locating cut with line is processed on cnc numerically-controlled machine tools, obtains work
Part；
Step 7, surfaces nitrided processing：The workpiece that step 6 obtains, which is carried out surfaces nitrided processing, keeps its increase surface hard
Degree；
Step 8, surface sand-blasting process add polishing:The gear surface nitrogenized by step 7 has greasy dirt etc. and is attached to product
Surface carries out sandblasting to the gear surface and adds polishing, prevents from getting rusty；Endoporus is processed in step 9, internal grinding：Step 8 is obtained
The gear arrived carries out interior hole machined, and the endoporus is used for installing bearing, and carries out internal grinding to the endoporus.
A kind of line cutting slow wire feeding of the present invention quickly manufactures the production technology of gear model machine, further preferred technical solution
It is characterized in：
1, the step 5 middle gear, manufacture various sizes gear mesh smelting tool on-gauge plate are replaced, other processing ginsengs
Number is constant.
Compared with prior art, the beneficial effects of the invention are as follows high using the accuracy of gear grade of manufacturing process of the present invention
Degree, it is short to manufacture the period, low manufacture cost, and is suitable for various straight tooth-shaped Gear Processings, and machined parameters are all consistent.Exemplar is for visitor
Family test is identical as volume production part using effect, and gear surface hardness high-wearing feature is good and bending resistance is strong, while finally to tooth
Wheel is processed by shot blasting that corrosion resistance is strong, and fever is few, is conducive to the service life for improving gear.
Specific implementation mode
The specific technical solution of the present invention described further below, in order to which those skilled in the art is further understood that
The present invention, the limitation without constituting its power.
Embodiment 1, a kind of engine driving system transmission chain sliding rail (PA66+GF50) model machine quick manufacturing process, including
Following steps：
Step 1, sawing sheet：Material 20CrMo poles, are cut with sawing machine, thickness 4-6mm outer diameters bigger than product actual (real) thickness
It is bigger 10-15mm than product maximum outside diameter.
Step 2, it is rough turn：It is rough turn integrally to be stayed 1mm surpluses, maximum outside diameter bigger 10- than product maximum outside diameter according to product
15mm。
Step 3 is tempered destressing：The heating that lower temperature is carried out to the product after rough turn is reduced with removing internal stress
The defects of product is deformed, is cracked in use.
Step 4, smart car mold base：Smart car is processed according to shape of product, and endoporus is unilateral to stay 0.05, and outer diameter is more maximum than product outer
The big 8-12mm outer diameters of diameter cut smelting tool on-gauge plate according to line and match.
Step 5, line cutting slow wire feeding line cut tooth form：Linear cutter has on-gauge plate using smelting, and smelting tool on-gauge plate is shown in figure
Paper,.Mold base wears 4 holes, 90 degree of four directions of angle at the big 1mm in gear outer ring.Line cuts processing respectively to be stayed on four punching edges
One tooth is not processed, remaining tooth cuts one and repaiies one, is existed with 0.25 copper foil plug of thickness at each both ends of machined tooth after processing
Line is cut in slot, and copper sheet plays conduction and is fixed.Again plus 502 glue are fixed, and are processed in the same fashion after glue is dry undressed
Four teeth.Completion of processing removes workpiece, and gear can be taken out by pressing from both sides out copper sheet with pliers.This technique is processed gear size and is stablized,
6 grades of precision, error amount can be controlled in positive and negative 0.001 range, concentricity within 0.005, each tooth deviation within 0.005,
Same technique can process the gear of various types various parameters, gear not of uniform size only change a smelting tool on-gauge plate and
, other machined parameters are constant.
Step 6, the processing of cnc numerically-controlled machine tools：The tooth shape locating cut with line processes other features on cnc numerically-controlled machine tools.
Step 7, surfaces nitrided processing：Surfaces nitrided processing will not generate variation to machined complete size, only produce
Product surface increases hardness.
Step 8, surface sand-blasting process add polishing:The gear surface of nitridation has greasy dirt etc. and is attached to product surface, passes through spray
Sand adds polishing can remove, and prevents from getting rusty.
Endoporus is processed in step 9, internal grinding：Endoporus is installation bearing hole, and tolerance is high with surface smoothness requirements, passes through
Inner circle mill reaches.
Embodiment 2, in the step 2, the length direction and plastics sheet metal forming of the cobbing squeeze out direction and keep one
It causes, whole PA66+GF50 plastic plate is that thermoplastic shaping extrusion comes out, and deformation can be reduced along direction blank is squeezed out.
Claims (2)
1. a kind of line cutting slow wire feeding quickly manufactures the production technology of gear model machine, which is characterized in that the production technology includes
Following steps
Step 1, sawing sheet：Material selection 20CrMo poles cut the pole with sawing machine, and the thickness is than product reality
The big 4-6mm of thickness, the outer diameter are bigger 10-15mm than product maximum outside diameter；
Step 2, it is rough turn：It is rough turn integrally to stay product 1mm surpluses, maximum outside diameter bigger 10-15mm than product maximum outside diameter；
Step 3 is tempered destressing：Product of the step 2 after rough turn is carried out to the heating of 150-250 DEG C of temperature, which passes through
Heating removal internal stress, reduces product and deforms, cracks in use；
Step 4, smart car mold base：The smart car is processed according to shape of product, and endoporus is unilateral to stay 0.05mm, and outer diameter is most than product
The big 8-12mm of big outer diameter, outer diameter cut smelting tool on-gauge plate according to line and match；
Step 5, line cutting slow wire feeding line cut tooth form：Linear cutter has on-gauge plate using smelting, and mold base is in the big 1mm in gear outer ring
4 holes, 90 degree of four directions of angle are worn by place, and line cuts processing respectively to stay a tooth not process on four punching edges, remaining tooth cuts one
One is repaiied, is cut in slot online with 0.25 scale copper plug of thickness at each both ends of machined tooth after processing, the copper sheet plays conduction
It is fixed effect, is fixed with 502 glue on the copper sheet, unprocessed four teeth is processed in the same fashion after glue is dry, adds
Work, which finishes, removes workpiece, presss from both sides out the copper sheet with pliers, then takes out gear；
Step 6, the processing of cnc numerically-controlled machine tools：The tooth shape locating cut with line is processed on cnc numerically-controlled machine tools, obtains workpiece；
Step 7, surfaces nitrided processing：The workpiece that step 6 obtains, which is carried out surfaces nitrided processing, makes it increase case hardness；
Step 8, surface sand-blasting process add polishing:The gear surface nitrogenized by step 7 has greasy dirt etc. and is attached to product surface,
Sandblasting is carried out to the gear surface and adds polishing, prevents from getting rusty；
Endoporus is processed in step 9, internal grinding：The gear that step 8 is obtained carries out interior hole machined, and the endoporus is used for installation axle
It holds, and internal grinding is carried out to the endoporus.
2. a kind of line cutting slow wire feeding according to claim 1 quickly manufactures the production technology of gear model machine, feature exists
In：The step 5 middle gear, manufacture various sizes gear mesh smelting tool on-gauge plate are replaced, other machined parameters are constant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810603472.4A CN108526829A (en) | 2018-06-12 | 2018-06-12 | A kind of line cutting slow wire feeding quickly manufactures the production technology of gear model machine |
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| CN201810603472.4A CN108526829A (en) | 2018-06-12 | 2018-06-12 | A kind of line cutting slow wire feeding quickly manufactures the production technology of gear model machine |
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| CN108526829A true CN108526829A (en) | 2018-09-14 |
Family
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253214A (en) * | 2019-05-24 | 2019-09-20 | 无锡亿锞精密机械有限公司 | Magnetizing coil fixing seat prevents thermal deformation processing technology |
| CN110977365A (en) * | 2019-11-08 | 2020-04-10 | 北京卫星制造厂有限公司 | Method for precisely machining inner gear of ultrahigh-strength stainless steel large gear ring |
| CN110977366A (en) * | 2019-11-08 | 2020-04-10 | 北京卫星制造厂有限公司 | Method for precisely machining small-modulus internal gear of ultrahigh-strength stainless steel |
| CN111318859A (en) * | 2020-03-25 | 2020-06-23 | 中国航发哈尔滨东安发动机有限公司 | Method for processing function curve cavity |
| CN112518431A (en) * | 2019-09-18 | 2021-03-19 | 无锡国盛精密模具有限公司 | Improved forming part slice processing technology |
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| CN106346219A (en) * | 2016-11-18 | 2017-01-25 | 陕西高华知本化工科技有限公司 | Method for machining thin-wall gear with opening |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253214A (en) * | 2019-05-24 | 2019-09-20 | 无锡亿锞精密机械有限公司 | Magnetizing coil fixing seat prevents thermal deformation processing technology |
| CN110253214B (en) * | 2019-05-24 | 2022-06-14 | 无锡亿锞精密机械有限公司 | Machining process for preventing thermal deformation of magnetizing coil fixing seat |
| CN112518431A (en) * | 2019-09-18 | 2021-03-19 | 无锡国盛精密模具有限公司 | Improved forming part slice processing technology |
| CN110977365A (en) * | 2019-11-08 | 2020-04-10 | 北京卫星制造厂有限公司 | Method for precisely machining inner gear of ultrahigh-strength stainless steel large gear ring |
| CN110977366A (en) * | 2019-11-08 | 2020-04-10 | 北京卫星制造厂有限公司 | Method for precisely machining small-modulus internal gear of ultrahigh-strength stainless steel |
| CN111318859A (en) * | 2020-03-25 | 2020-06-23 | 中国航发哈尔滨东安发动机有限公司 | Method for processing function curve cavity |
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Application publication date: 20180914 |
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