The content of the invention
The good corrosion resistant of a kind of process is simple proposed aiming above mentioned problem of the invention, low cost, corrosion resistance
Erosion engine sump tank.
A kind of corrosion-resistant engine sump tank, including oil sump body, oil sump body has trapezoid cross section cell body, in groove
Body top is provided with installation edge, and surface is coated with alumina series coating in dovetail groove body, and the coating of dovetail groove external surface is organic
Silicon resin coating,
It is characterized in that:Oil sump body chemical composition is(Percentage by weight):C:0.033 ﹪, Cr:12.2 ﹪, Ni:1.4 ﹪,
Al:0.82 ﹪, Nb:0.41 ﹪, Si:0.31 ﹪, V:0.12 ﹪, Cu:0.12 ﹪, Ti:0.083 ﹪, Sn:0.044 ﹪, Mn:
0.024 ﹪, Mg:0.021 ﹪, Ta:0.011 ﹪, Ce:0.012 ﹪, balance of Fe and inevitable impurity;
Oil sump preparation method:Comprise the following steps:According to aforementioned proportion alloyage, raw material melting, cast after the demoulding, are obtained
To ingot casting be heat-treated:Ingot casting is heated first, is warming up to 800 DEG C, 75 DEG C/h of heating rate, insulation 3 is small
When, after be cooled to 600 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be warming up to 750 DEG C, 20 DEG C of heating rate/small
When, be incubated 3 hours, after be cooled to 500 DEG C again, 40 DEG C/h of rate of temperature fall is incubated 5 hours, after be cooled to 250 DEG C again,
50 DEG C/h of rate of temperature fall, be incubated 2 hours, after be air cooled to room temperature,
Forging:By ingot casting be heated to 1100 DEG C be incubated 3 hours, after forged, 1100 DEG C of starting forging temperature, by the vertical upsetting of ingot casting
Slightly, forcing press often depresses 40mm pause 4s, 850 DEG C of final forging temperature,
Rolling:Blank after forging is heated, 1000 DEG C of heating-up temperature, split rolling method uses 7 passages, passage phase during cogging
To reduction ratio control in 15-18%, mill speed controls the slab after 8mm/s, cogging to be incubated at 800 DEG C, soaking time 3
Hour, after be warming up to 1100 DEG C, soaking time was controlled at 2 hours, then carried out hot rolling to blanket, the passage of hot rolling 11, just mill train
Secondary relative reduction ratio 8%, other passages are controlled in 10-15% with respect to reduction ratio, and mill speed is controlled in 50mm/s, finishing temperature
At 820 DEG C;Sheet metal thickness 2mm, is air cooled to room temperature after rolling,
Punching press:Sheet material is heated into 800 DEG C carries out punching press, is air cooled to room temperature, obtains oil sump body,
Heat treatment:Oil sump body be heated to 750 DEG C be incubated 3 hours, after quenched, hardening media is water, after quenching again
Be heated to 500 DEG C and be incubated 3 hours, after be cooled to 350 DEG C, 60 DEG C/h of rate of temperature fall is incubated 2 hours, after be cooled to again
250 DEG C, 50 DEG C/h of rate of temperature fall, be incubated 3 hours, after be air cooled to room temperature,
Sandblasting is roughened:Inner surface and outer surface to trapezoidal cell body in oil sump body carry out sandblasting roughening treatment, and sand grains is stone
Sand, the size of sand grains is 20 mesh, and blasting pressure is 0.4MPa, and sand-blasting gun is 40mm away from workpiece distance, empty with compression after sandblasting
Air-blowing is net;
Inner surface is coated:Alumina series coating is coated to oil sump cell body inner surface;By being coated in oil sump cell body
Surface forms alumina series coating, and alumina series ceramic material layer includes(Weight):72 parts of aluminum oxide, 23 parts of tungsten carbide, oxidation
14 parts of zirconium, the oil sump after coating is heated, and is warming up to 650 DEG C, and 25 DEG C/h of heating rate is incubated 4 hours, drops afterwards
To 450 DEG C, 60 DEG C/h of rate of temperature fall is incubated 3 hours to temperature, after be cooled to 300 DEG C again, 50 DEG C/h of rate of temperature fall is protected
Temperature 5 hours, after be air cooled to room temperature,
Outer surface coats:Epoxy modified silicone resin coating is coated to oil sump cell body outer surface, the coating includes
(Weight):81 parts of organic siliconresin, 12 parts of sodium metasilicate, 11 parts of glass dust, 7 parts of talcum powder, 4 parts of ethylenediamine, 4 parts of magnesium chloride, phosphorus
5 parts of sour zinc, 3 parts of Polymethacrylimide, obtains final oil sump.
Described a kind of corrosion-resistant engine sump tank, also includes:Install and be provided with mounting hole on edge, mounting hole can lead to
Over mechanical processing mode is realized.
A kind of manufacture method of corrosion-resistant engine sump tank, including oil sump body, oil sump body have trapezoidal section
Face cell body, installation edge is provided with cell body top, and surface is coated with alumina series coating, the external table of dovetail groove in dovetail groove body
Face coats silicone resin coating,
It is characterized in that:Oil sump body chemical composition is(Percentage by weight):C:0.03-0.04 ﹪, Cr:12-13 ﹪, Ni:
1-2 ﹪, Al:0.8-0.9 ﹪, Nb:0.4-0.5 ﹪, Si:0.3-0.4 ﹪, V:0.1-0.2 ﹪, Cu:0.1-0.2 ﹪, Ti:
0.08-0.09 ﹪, Sn:0.04-0.05 ﹪, Mn:0.02-0.03 ﹪, Mg:0.02-0.03 ﹪, Ta:0.01-0.02 ﹪, Ce:
0.01-0.02 ﹪, balance of Fe and inevitable impurity;
Oil sump preparation method:Comprise the following steps:According to aforementioned proportion alloyage, raw material melting, cast after the demoulding, are obtained
To ingot casting be heat-treated:Ingot casting is heated first, is warming up to 800 DEG C, 75 DEG C/h of heating rate, insulation 3 is small
When, after be cooled to 600 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be warming up to 750 DEG C, 20 DEG C of heating rate/small
When, be incubated 3 hours, after be cooled to 500 DEG C again, 40 DEG C/h of rate of temperature fall is incubated 5 hours, after be cooled to 250 DEG C again,
50 DEG C/h of rate of temperature fall, be incubated 2 hours, after be air cooled to room temperature,
Forging:By ingot casting be heated to 1100 DEG C be incubated 3 hours, after forged, 1100 DEG C of starting forging temperature, by the vertical upsetting of ingot casting
Slightly, forcing press often depresses 40mm pause 4s, 850 DEG C of final forging temperature,
Rolling:Blank after forging is heated, 1000 DEG C of heating-up temperature, split rolling method uses 7 passages, passage phase during cogging
To reduction ratio control in 15-18%, mill speed controls the slab after 8mm/s, cogging to be incubated at 800 DEG C, soaking time 3
Hour, after be warming up to 1100 DEG C, soaking time was controlled at 2 hours, then carried out hot rolling to blanket, the passage of hot rolling 11, just mill train
Secondary relative reduction ratio 8%, other passages are controlled in 10-15% with respect to reduction ratio, and mill speed is controlled in 50mm/s, finishing temperature
At 820 DEG C;Sheet metal thickness 2mm, is air cooled to room temperature after rolling,
Punching press:Sheet material is heated into 800 DEG C carries out punching press, is air cooled to room temperature, obtains oil sump body,
Heat treatment:Oil sump body be heated to 750 DEG C be incubated 3 hours, after quenched, hardening media is water, after quenching again
Be heated to 500 DEG C and be incubated 3 hours, after be cooled to 350 DEG C, 60 DEG C/h of rate of temperature fall is incubated 2 hours, after be cooled to again
250 DEG C, 50 DEG C/h of rate of temperature fall, be incubated 3 hours, after be air cooled to room temperature,
Sandblasting is roughened:Inner surface and outer surface to trapezoidal cell body in oil sump body carry out sandblasting roughening treatment, and sand grains is stone
Sand, the size of sand grains is 20 mesh, and blasting pressure is 0.4MPa, and sand-blasting gun is 40mm away from workpiece distance, empty with compression after sandblasting
Air-blowing is net;
Inner surface is coated:Alumina series coating is coated to oil sump cell body inner surface;By being coated in oil sump cell body
Surface forms alumina series coating, and aluminum oxide based materials layer includes(Weight):Aluminum oxide 70-80 parts, tungsten carbide 20-30 parts, oxygen
Change 10-20 parts of zirconium, the oil sump after coating heated, be warming up to 650 DEG C, 25 DEG C/h of heating rate is incubated 4 hours,
After be cooled to 450 DEG C, 60 DEG C/h of rate of temperature fall is incubated 3 hours, after be cooled to 300 DEG C, 50 DEG C of rate of temperature fall/small again
When, be incubated 5 hours, after be air cooled to room temperature,
Outer surface coats:Epoxy modified silicone resin coating is coated to oil sump cell body outer surface, the coating includes
(Weight):Organic siliconresin 80-90 parts, sodium metasilicate 10-15 parts, glass dust 10-15 parts, 7 parts of talcum powder, 4 parts of ethylenediamine, chlorination
4 parts of magnesium, 5 parts of trbasic zinc phosphate, 3 parts of Polymethacrylimide obtains final oil sump.
Foregoing invention content is relative to the beneficial effect of prior art:1)The composition of ferroalloy is simple;2)Because of oily bottom
Shell cell body inner surface Long Term Contact grease, can cause to damage to its inner surface, be applied by ferroalloy oil sump cell body inner surface
Alumina series coating is covered, corrosion resisting property is improved.4)Organic coating is formed to oil sump cell body outer surface and effectively improves weather-proof anti-soil
Performance.
Embodiment 1
A kind of corrosion-resistant engine sump tank, including oil sump body, oil sump body has trapezoid cross section cell body, on cell body
Portion is provided with installation edge, and surface is coated with alumina series coating, dovetail groove external surface coating organosilicon tree in dovetail groove body
Grease coating material,
It is characterized in that:Oil sump body chemical composition is(Percentage by weight):C:0.033 ﹪, Cr:12.2 ﹪, Ni:1.4 ﹪,
Al:0.82 ﹪, Nb:0.41 ﹪, Si:0.31 ﹪, V:0.12 ﹪, Cu:0.12 ﹪, Ti:0.083 ﹪, Sn:0.044 ﹪, Mn:
0.024 ﹪, Mg:0.021 ﹪, Ta:0.011 ﹪, Ce:0.012 ﹪, balance of Fe and inevitable impurity;
Oil sump preparation method:Comprise the following steps:According to aforementioned proportion alloyage, raw material melting, cast after the demoulding, are obtained
To ingot casting be heat-treated:Ingot casting is heated first, is warming up to 800 DEG C, 75 DEG C/h of heating rate, insulation 3 is small
When, after be cooled to 600 DEG C, 100 DEG C/h of rate of temperature fall is incubated 3 hours, after be warming up to 750 DEG C, 20 DEG C of heating rate/small
When, be incubated 3 hours, after be cooled to 500 DEG C again, 40 DEG C/h of rate of temperature fall is incubated 5 hours, after be cooled to 250 DEG C again,
50 DEG C/h of rate of temperature fall, be incubated 2 hours, after be air cooled to room temperature,
Forging:By ingot casting be heated to 1100 DEG C be incubated 3 hours, after forged, 1100 DEG C of starting forging temperature, by the vertical upsetting of ingot casting
Slightly, forcing press often depresses 40mm pause 4s, 850 DEG C of final forging temperature,
Rolling:Blank after forging is heated, 1000 DEG C of heating-up temperature, split rolling method uses 7 passages, passage phase during cogging
To reduction ratio control in 15-18%, mill speed controls the slab after 8mm/s, cogging to be incubated at 800 DEG C, soaking time 3
Hour, after be warming up to 1100 DEG C, soaking time was controlled at 2 hours, then carried out hot rolling to blanket, the passage of hot rolling 11, just mill train
Secondary relative reduction ratio 8%, other passages are controlled in 10-15% with respect to reduction ratio, and mill speed is controlled in 50mm/s, finishing temperature
At 820 DEG C;Sheet metal thickness 2mm, is air cooled to room temperature after rolling,
Punching press:Sheet material is heated into 800 DEG C carries out punching press, is air cooled to room temperature, obtains oil sump body,
Heat treatment:Oil sump body be heated to 750 DEG C be incubated 3 hours, after quenched, hardening media is water, after quenching again
Be heated to 500 DEG C and be incubated 3 hours, after be cooled to 350 DEG C, 60 DEG C/h of rate of temperature fall is incubated 2 hours, after be cooled to again
250 DEG C, 50 DEG C/h of rate of temperature fall, be incubated 3 hours, after be air cooled to room temperature,
Sandblasting is roughened:Inner surface and outer surface to trapezoidal cell body in oil sump body carry out sandblasting roughening treatment, and sand grains is stone
Sand, the size of sand grains is 20 mesh, and blasting pressure is 0.4MPa, and sand-blasting gun is 40mm away from workpiece distance, empty with compression after sandblasting
Air-blowing is net;
Inner surface is coated:Alumina series coating is coated to oil sump cell body inner surface;By being coated in oil sump cell body
Surface forms alumina series coating, and alumina series ceramic material layer includes(Weight):72 parts of aluminum oxide, 23 parts of tungsten carbide, oxidation
14 parts of zirconium, the oil sump after coating is heated, and is warming up to 650 DEG C, and 25 DEG C/h of heating rate is incubated 4 hours, drops afterwards
To 450 DEG C, 60 DEG C/h of rate of temperature fall is incubated 3 hours to temperature, after be cooled to 300 DEG C again, 50 DEG C/h of rate of temperature fall is protected
Temperature 5 hours, after be air cooled to room temperature,
Outer surface coats:Epoxy modified silicone resin coating is coated to oil sump cell body outer surface, the coating includes
(Weight):81 parts of organic siliconresin, 12 parts of sodium metasilicate, 11 parts of glass dust, 7 parts of talcum powder, 4 parts of ethylenediamine, 4 parts of magnesium chloride, phosphorus
5 parts of sour zinc, 3 parts of Polymethacrylimide, obtains final oil sump.