CN104633043B - A kind of automobile glass lifter sector rack - Google Patents
A kind of automobile glass lifter sector rack Download PDFInfo
- Publication number
- CN104633043B CN104633043B CN201410827513.XA CN201410827513A CN104633043B CN 104633043 B CN104633043 B CN 104633043B CN 201410827513 A CN201410827513 A CN 201410827513A CN 104633043 B CN104633043 B CN 104633043B
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- China
- Prior art keywords
- sector rack
- parts
- salt bath
- automobile glass
- glass lifter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C12/00—Solid state diffusion of at least one non-metal element other than silicon and at least one metal element or silicon into metallic material surfaces
Abstract
The invention discloses a kind of automobile glass lifter sector rack, its surface recombination has the iron nitrogen oxygen al-mg-si wear-and corrosion-resistant composite bed that thickness is 0.01 0.025mm, and the fan tooth plate is made by following steps:Sampling is cleaned and preheated first, and tooth plate then is added into 500 600 DEG C of co-diffused salt baths handles 100 125s, is subsequently added into 480 630 DEG C of nitridation salt baths and is handled 30 150min, the oxidation salt bath for being eventually adding 350 500 DEG C is incubated 10 30min.Automobile glass lifter sector rack of the present invention, in the case where ensureing shape of product and dimensional accuracy, greatly improved its wearability and corrosion resistance, its case hardness HV is 500 800, neutral salt spray test >=96 hour, are 100 200 times blacked, great popularization.
Description
Technical field
The invention belongs to field of metal surface treatment, it is related to a kind of auto parts and components, more particularly to a kind of surface recombination has
The automobile glass lifter sector rack of ceramic thin film with specific function.
Background technology
Sector rack is automobile glass lifter main parts size, it flat to the transmission accuracy of glass-frame riser, transmission
Stability, wearability, fatigue durability and corrosion resistance all have a significant impact.Fan tooth typically uses the stamped shaping of low carbon steel plate,
Although disclosure satisfy that the required precision used through sector rack obtained by fine, but the wearability of stamping parts and corrosion resistance compared with
Difference, it is impossible to meet use requirement.
It is main at present by zinc-plated or fan tooth is sent out in fan tooth surface to improve the corrosion resistance of fan tooth
It is black, but surface is zinc-plated and blackening does not simply fail to lift fan tooth surface hardness meter wearability, and improve corrosion resistance
The effect of energy is not also obvious.Further, since sector rack has profile accuracy and planarity requirements, it is impossible to take conventional heat treatment
(such as carburizing and quenching) increases the wearability of sector rack.
Therefore, it is necessary to which sector rack corrosion resistance and wearability can be improved simultaneously without damaging fan using one kind
The handling process of tooth plate size and structure precision.
The content of the invention
In view of this, it is an object of the invention to provide a kind of while having the vapour of beneficial corrosion resistance and anti-wear performance
Car glass-frame riser sector rack.
To reach above-mentioned purpose, the present invention provides following technical scheme:
A kind of automobile glass lifter sector rack, its surface recombination has the iron nitrogen oxygen magnalium that thickness is 0.01-0.025mm
Silicon wear-and corrosion-resistant composite bed.
Particularly, the composite bed is composited by square and hexagonal crystal system ceramic phase.
Further, the sector rack thickness is 2-8mm, and its material is SPCC.
As a preference of the present invention, the wear-and corrosion-resistant composite bed is made by following methods:
1) sampling cleaning:Cleaning removes sector rack surface and oil contaminant and rusty stain;
2) preheat:1) the fan tooth after handling is placed in 280-420 DEG C of environment and is incubated 30-60 minutes;
3) multicomponent thermochemical treatment:2) gained sector rack is added into co-diffused salt bath and carries out multicomponent thermochemical treatment processing;
4) nitrogen treatment:3) gained tooth plate is put into 480-630 DEG C of salt bath and handles 30-150min
5) oxidation processes:4) gained sector rack is placed in 350-500 DEG C of salt bath insulation 10-30min;
Wherein:Co-diffused salt bath contains following composition in parts by mass:Al:60-70 parts, Si:8.5-9.5 part;Mg:20-30 parts,
Mn:0.5-1.5 parts.
As a preference of the present invention, salt bath used in nitridation process step contains following composition in parts by mass:Urea:30-50
Part, Na2CO3:23-45 parts, K2CO3:5-20 parts, KOH:5-15 parts, lanthanum chloride:0.03-0.1 parts, 0.1-3 parts of lithium carbonate.
As a preference of the present invention, salt bath contains KOH, NaOH, Na used in oxidation treatment step2NO3、K2MnO3。
As a preference of the present invention, multicomponent thermochemical treatment temperature is 500-600 DEG C, the time is 100-125s, in sector after processing
Tooth plate surface forms the infiltration layer that thickness is 2 μm -5 μm.
As a preference of the present invention, also including adding the sector rack of oxidation processes in 160-300 DEG C of air furnace to enter
The step of row drying.
As a preference of the present invention, the step of also including the sector rack of drying immersing sealer 2-5min.
The beneficial effects of the present invention are:
Automobile glass lifter sector rack of the present invention, in the case where ensureing shape of product and dimensional accuracy, while greatly
Width improves its wearability and corrosion resistance, after tested, and the fan tooth plate case hardness HV after present invention processing is 500-
800, neutral salt spray test >=96 hour are 100-200 times blacked, great popularization.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out
Explanation:
Fig. 1 is the surface topography map of fan tooth after embodiment 1 is handled;
Fig. 2 is the surface topography map of fan tooth after embodiment 7 is handled;
Fig. 3 is the metallograph of fan tooth after embodiment 1 is handled.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Following examples will disclose a kind of automobile glass lifter sector rack, the sector rack surface recombination has thickness
For 0.01-0.025mm iron nitrogen oxygen al-mg-si wear-and corrosion-resistant ceramic thin film;Wherein sector rack thickness is 2-8mm, and material is
SPCC.Particularly, the composite bed is composited by square and hexagonal crystal system ceramic phase.
Embodiment 1:
The method that the present embodiment prepares automobile glass lifter sector rack, comprises the following steps:
1) sampling cleaning:Cleaning removes sector rack surface and oil contaminant and rusty stain;
2) preheat:1) the fan tooth after handling is placed in 330 DEG C of environment and is incubated 50 minutes;
3) multicomponent thermochemical treatment:2) gained sector rack is put into 550 DEG C of co-diffused salt bath and handles 115s, in sector rack table
Face forms the infiltration layer that thickness is 2 μm -5 μm;Wherein, co-diffused salt bath contains following composition in parts by mass:Al:65 parts, Si:9 parts;
Mg:25 parts, Mn:1.1 part;
4) nitrogen treatment:3) gained tooth plate is put into 560 DEG C of salt baths and handles 80min, wherein used in nitridation process step
Salt bath contains following composition in parts by mass:Urea:40 parts, Na2CO3:38 parts, K2CO3:13 parts, KOH:8 parts, lanthanum chloride:0.06
Part;Lithium carbonate:1.3 part.
5) oxidation processes:4) gained sector rack is placed in 400 DEG C of oxidation salt bath insulation 18min;The oxidation salt bath master
It is KOH, NaOH, Na to want composition2NO3And K2MnO3;
6) cooling cleaning:Cleaning removes the salt bath composition for being attached to fan tooth plate surface;
7) dry:6) gained fan tooth plate is added and dried in 250 DEG C of air furnace;
8) examine:The metallographic and hardness of test sample, enter next step if meeting the requirements;
9) close:By sector rack immersion sealer 4min;
10) examine:Deformation of products situation is examined with special fixture
11) packaging and storage.
Embodiment 2:
The method that the present embodiment prepares automobile glass lifter sector rack, comprises the following steps:
1) sampling cleaning:Cleaning removes sector rack surface and oil contaminant and rusty stain;
2) preheat:1) the fan tooth after handling is placed in 280 DEG C of environment and is incubated 60 minutes;
3) multicomponent thermochemical treatment:2) gained sector rack is put into 500 DEG C of co-diffused salt bath and handles 125s, in sector rack table
Face forms the infiltration layer that thickness is 3 μm;Wherein, co-diffused salt bath contains following composition in parts by mass:Al:70 parts, Si:8.5 part;Mg:
30 parts, Mn:0.5 part;
4) nitrogen treatment:3) gained tooth plate is put into 480 DEG C of salt baths and handles 150min, wherein used in nitridation process step
Salt bath contains following composition in parts by mass:Urea:30 parts, Na2CO3:45 parts, K2CO3:5 parts, KOH:15 parts, lanthanum chloride:0.03
Part;1.5 parts of lithium carbonate.
5) oxidation processes:4) gained sector rack is placed in 450 DEG C of oxidation salt bath insulation 10min;The oxidation salt bath master
It is KOH, NaOH, Na to want composition2NO3And K2MnO3;
6) cooling cleaning:Cleaning removes the salt bath composition for being attached to fan tooth plate surface;
7) dry:6) gained fan tooth plate is added and dried in 160-300 DEG C of air furnace;
8) examine:The metallographic and hardness of test sample, enter next step if meeting the requirements;
9) close:By sector rack immersion sealer 2-5min;
10) examine:Deformation of products situation is examined with special fixture
11) packaging and storage.
Embodiment 3:
The method that the present embodiment prepares automobile glass lifter sector rack, comprises the following steps:
1) sampling cleaning:Cleaning removes sector rack surface and oil contaminant and rusty stain;
2) preheat:1) the fan tooth after handling is placed in 420 DEG C of environment and is incubated 30 minutes;
3) multicomponent thermochemical treatment:2) gained sector rack is put into 600 DEG C of co-diffused salt bath and handles 100s, in sector rack table
Face forms the infiltration layer that thickness is 5 μm;Wherein, co-diffused salt bath contains following composition in parts by mass:Al:60 parts, Si:9.5 part;Mg:
20 parts, Mn:1.5 part;
4) nitrogen treatment:3) gained tooth plate is put into 610 DEG C of salt baths and handles 30min, wherein used in nitridation process step
Salt bath contains following composition in parts by mass:Urea:50 parts, Na2CO3:23 parts, K2CO3:20 parts, KOH:5 parts, lanthanum chloride:0.1
Part, 0.6 part of lithium carbonate;
5) oxidation processes:4) gained sector rack is placed in 350 DEG C of oxidation salt bath insulation 30min;The oxidation salt bath master
It is KOH, NaOH, Na to want composition2NO3And K2MnO3;
6) cooling cleaning:Cleaning removes the salt bath composition for being attached to fan tooth plate surface;
7) dry:6) gained fan tooth plate is added and dried in 160-300 DEG C of air furnace;
8) examine:The metallographic and hardness of test sample, enter next step if meeting the requirements;
9) close:By sector rack immersion sealer 2-5min;
10) examine:Deformation of products situation is examined with special fixture
11) packaging and storage.
Embodiment 4:
The method that the present embodiment prepares automobile glass lifter sector rack, comprises the following steps:
1) sampling cleaning:Cleaning removes sector rack surface and oil contaminant and rusty stain;
2) preheat:1) the fan tooth after handling is placed in 300 DEG C of environment and is incubated 38 minutes;
3) multicomponent thermochemical treatment:2) gained sector rack is put into 570 DEG C of co-diffused salt bath and handles 118s, in sector rack table
Face forms the infiltration layer that thickness is 4 μm;Wherein, co-diffused salt bath contains following composition in parts by mass:Al:66 parts, Si:8.7 part;Mg:
28 parts, Mn:0.9 part;
4) nitrogen treatment:3) gained tooth plate is put into 570 DEG C of salt baths and handles 80min, wherein used in nitridation process step
Salt bath contains following composition in parts by mass:Urea:46 parts, Na2CO3:38 parts, K2CO3:16 parts, KOH:11 parts, lanthanum chloride:0.05
Part;1 part of lithium carbonate;
5) oxidation processes:4) gained sector rack is placed in 380 DEG C of oxidation salt bath insulation 22min;The oxidation salt bath master
It is KOH, NaOH, Na to want composition2NO3And K2MnO3;
6) cooling cleaning:Cleaning removes the salt bath composition for being attached to fan tooth plate surface;
7) dry:6) gained fan tooth plate is added and dried in 225 DEG C of air furnace;
8) examine:The metallographic and hardness of test sample, enter next step if meeting the requirements;
9) close:By sector rack immersion sealer 2-5min;
10) examine:Deformation of products situation is examined with special fixture
11) packaging and storage.
Embodiment 5:
The method that the present embodiment prepares automobile glass lifter sector rack, comprises the following steps:
1) sampling cleaning:Cleaning removes sector rack surface and oil contaminant and rusty stain;
2) preheat:1) the fan tooth after handling is placed in 360 DEG C of environment and is incubated 45 minutes;
3) multicomponent thermochemical treatment:2) gained sector rack is put into 530 DEG C of co-diffused salt bath and handles 112s, in sector rack table
Face forms the infiltration layer that thickness is 2 μm -5 μm;Wherein, co-diffused salt bath contains following composition in parts by mass:Al:68 parts, Si:9.3 part;
Mg:26 parts, Mn:0.9 part;
4) nitrogen treatment:3) gained tooth plate is put into 590 DEG C of salt baths and handles 70min, wherein used in nitridation process step
Salt bath contains following composition in parts by mass:Urea:40 parts, Na2CO3:40 parts, K2CO3:10 parts, KOH:12 parts, lanthanum chloride:0.04
Part, 1.6 parts of lithium carbonate;
5) oxidation processes:4) gained sector rack is placed in 420 DEG C of oxidation salt bath insulation 20min;The oxidation salt bath master
It is KOH, NaOH, Na to want composition2NO3And K2MnO3;
6) cooling cleaning:Cleaning removes the salt bath composition for being attached to fan tooth plate surface;
7) dry:6) gained fan tooth plate is added and dried in 190 DEG C of air furnace;
8) examine:The metallographic and hardness of test sample, enter next step if meeting the requirements;
9) close:By sector rack immersion sealer 2-5min;
10) examine:Deformation of products situation is examined with special fixture
11) packaging and storage.
Embodiment 7:
The present embodiment and the difference of embodiment 1 are that sector rack is different from embodiment used in the present embodiment, and its shape is such as
Shown in Fig. 2.
Fig. 1, Fig. 2 are respectively automobile glass lifter sector rack surface topography photo after embodiment 1,7 is handled, and can be seen
Go out, the fan tooth plate surface compact after being handled using the above method is shiny black, illustrates that surface topography is preferable.Fig. 3 is embodiment processing
The metallograph of fan tooth afterwards (wherein copper sheet is aid when metallographic is detected), it is seen that matrix of the present invention and composite bed are combined feelings
Condition is good.
After tested, the fan tooth plate case hardness after present invention processing reaches HV 500-800, neutral salt spray test >=96
Hour, it is 100-200 times blacked, great popularization.
After testing, sector rack surface recombination obtained by above-described embodiment has the Ceramic Composite that thickness is 0.01-0.025mm
Layer, its chemical analysis is mainly iron nitrogen oxygen al-mg-si, and structure is the square mixture with hexagonal crystal system.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
Cross above preferred embodiment the present invention is described in detail, it is to be understood by those skilled in the art that can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (5)
1. a kind of automobile glass lifter sector rack, it is characterised in that:The sector rack surface recombination has the thickness to be
0.01mm iron nitrogen oxygen al-mg-si wear-and corrosion-resistant composite bed;
The wear-and corrosion-resistant composite bed is made by following methods:
1) sampling cleaning:Cleaning removes sector rack surface and oil contaminant and rusty stain;
2) preheat:1) the fan tooth after handling is placed in 280-420 DEG C of environment and is incubated 30-60 minutes;
3) multicomponent thermochemical treatment:2) gained sector rack is added into co-diffused salt bath and carries out multicomponent thermochemical treatment processing;
4) nitrogen treatment:By 3)Gained tooth plate is put into 480-630 DEG C of salt bath and handles 30-150min;Institute in the processing procedure
Contain following composition in parts by mass with salt bath:Urea:30-50 parts, Na2CO3:23-45 parts, K2CO3:5-20 parts, KOH:5-15
Part, lanthanum chloride:0.03-0.1 parts, 0.1-3 parts of lithium carbonate;
5) oxidation processes:4) gained sector rack is placed in 350-500 DEG C of salt bath insulation 10-30min;
Wherein:Co-diffused salt bath contains following composition in parts by mass:Al:60-70 parts, Si:8.5-9.5 part;Mg:20-30 parts, Mn:
0.5-1.5 parts;Methods described also includes the sector rack of oxidation processes adding what is dried in 160-300 DEG C of air furnace
Step and the step of the sector rack of drying is immersed into sealer 2-5min.
2. automobile glass lifter sector rack according to claim 1, it is characterised in that:The composite bed is by pros and six
Prismatic crystal system ceramic phase is composited.
3. automobile glass lifter sector rack according to claim 1, it is characterised in that:The sector rack thickness is 2-
8mm, its material is SPCC.
4. automobile glass lifter sector rack according to claim 1, it is characterised in that:Salt bath used in oxidation treatment step
Contain KOH, NaOH, Na2NO3、K2MnO3。
5. automobile glass lifter sector rack according to claim 1, it is characterised in that:Multicomponent thermochemical treatment temperature is 500-
600 DEG C, the time is 100-125s, forms the infiltration layer that thickness is 2 μm -5 μm after processing on sector rack surface.
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CN201410827513.XA CN104633043B (en) | 2014-12-26 | 2014-12-26 | A kind of automobile glass lifter sector rack |
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CN104633043B true CN104633043B (en) | 2017-10-03 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1031862A (en) * | 1987-09-05 | 1989-03-22 | 东南大学 | High abrasion, anti-corrosion, high damping aluminium-zinc cast alloy |
CN1616692A (en) * | 2004-11-26 | 2005-05-18 | 宋协福 | Copper alloy of drawing mould |
CN202883934U (en) * | 2012-11-16 | 2013-04-17 | 泰州市科诚汽车零配件有限公司 | High-performance motorcycle engine powder metallurgy shifting cam |
CN103243323A (en) * | 2013-05-09 | 2013-08-14 | 张佑锋 | Preparation method of special flexible ceramic composite infiltration layer |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101461030B (en) * | 2006-03-23 | 2013-04-17 | 蒂姆肯公司 | Abrasion resistant and etching-resistant coating |
CN101914750B (en) * | 2010-09-02 | 2011-10-12 | 成都赛飞斯金属科技有限公司 | Method for surfacepeening multicomponent composite ceramic membrane of non-ferrous metal hot-working roll |
CN102220552B (en) * | 2011-06-07 | 2012-11-28 | 四川大学 | Nitriding salt for low-temperature salt-bath nitriding |
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2014
- 2014-12-26 CN CN201410827513.XA patent/CN104633043B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1031862A (en) * | 1987-09-05 | 1989-03-22 | 东南大学 | High abrasion, anti-corrosion, high damping aluminium-zinc cast alloy |
CN1616692A (en) * | 2004-11-26 | 2005-05-18 | 宋协福 | Copper alloy of drawing mould |
CN202883934U (en) * | 2012-11-16 | 2013-04-17 | 泰州市科诚汽车零配件有限公司 | High-performance motorcycle engine powder metallurgy shifting cam |
CN103243323A (en) * | 2013-05-09 | 2013-08-14 | 张佑锋 | Preparation method of special flexible ceramic composite infiltration layer |
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