CN102974826A - Manufacturing method of tool bit of electric screw driver - Google Patents
Manufacturing method of tool bit of electric screw driver Download PDFInfo
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- CN102974826A CN102974826A CN2012104946314A CN201210494631A CN102974826A CN 102974826 A CN102974826 A CN 102974826A CN 2012104946314 A CN2012104946314 A CN 2012104946314A CN 201210494631 A CN201210494631 A CN 201210494631A CN 102974826 A CN102974826 A CN 102974826A
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- electric screw
- jet blade
- screw jet
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Abstract
The invention relates to a manufacturing method of a tool bit of an electric screw driver. The manufacturing method comprises the following respects such as compounding, mixing, pressing, sintering, quenching and post-processing. The tool bit of the electric screw driver, which is manufactured according to the technical scheme, is in one-step forming, an organization structure in the tool bit of the electric screw driver is uniform, and the production efficiency is high.
Description
Technical field
The invention belongs to field of power tools, refer to especially a kind of manufacture method of electric screw jet blade.
Background technology
The electric screw jet blade that uses in the existing technology comprises two parts, and one is pedestal and the electric screw jet blade body that connects for the power set with electric screw driver.For convenient replacing to cutter head and electric screw jet blade better keep connecting with the power set of electric screw driver, the diameter of pedestal is all greater than the diameter of electric screw jet blade.Such structure during fabrication, bring difficulty when particularly electric screw jet blade body being cut, in order to improve the manufacturing efficient of electric screw jet blade, the processing method of now using branch to make, the pedestal and the electric screw jet blade body that are about to the electric screw jet blade are processed step by step, and then by welding and post-processed.Although and this processing method because the high temperature when welding pedestal and electric screw jet blade body can have influence on the institutional framework of electric screw jet blade alloy, and causes fracture when stressed with the method efficient raising of former one processing.
Summary of the invention
The manufacture method that the purpose of this invention is to provide a kind of electric screw jet blade by the technical program, can realize the time processing moulding of electric screw jet blade, has reduced production process and has improved production efficiency.
The present invention is achieved by the following technical solutions:
A kind of manufacture method of electric screw jet blade may further comprise the steps:
Batching, its composition of material that production electric screw jet blade is used is by weight percentage, the tungsten of the chromium of the carbon of 2.0-2.2%, the silicon of 0.5-0.65%, 3.8-4.0%, the vanadium of 3-3.5%, 2-2.5%, the niobium of 0.001-0.0015%, the manganese of 1.8-2.0%, the aluminium of 0.5-0.8%, the titanium of 0.001-0.003%, surplus is iron and inevitable impurity;
Batch mixing mixes the material of determining prescription, and then grinds into the powder that grain diameter on average is no more than 100 microns, and preferably grain diameter on average is no more than the powder of 10-20 micron;
Compacting, the mode that adopts one or many to fill, the pressure with 600-750MPa in mould is suppressed 10-60 moulding second;
Sintering, at first under 600-800 ℃ of temperature presintering 1-2 hour, and then mould is interior with hot shaping under the 150-200MPa pressure, again in 1250-1350 ℃ of lower sintering and be incubated 1-3 hour, then divide the two-stage cooling, the cooling rate of phase I remains on 5-8 ℃/minute, and tempering is 1-3 hour when drop in temperature arrives 500-550 ℃, then naturally cool to 200 ± 20 ℃, obtain electric screw jet blade base substrate;
Quench, above-mentioned base substrate be incubated 2 hours in 780-800 ℃ of glowing furnace, carry out Quenching Treatment, adopt to naturally cool to room temperature after being incubated 2-4 hour behind 230 ± 20 ℃ of constant temperature salt bath quenching to 230 ± 20 ℃, obtain electric screw jet blade semi-finished product;
Above-mentioned semi-finished product are finished processing through operations such as later stage polishing and surface treatments.
The beneficial effect that the present invention compares with prior art is:
According to the electric screw jet blade that the technical program is produced, one-shot forming, and electric screw jet blade inner tissue even structure, and production efficiency is high.
The specific embodiment
Below come by specific embodiment that the present invention is described in detail, should be understood that these embodiment only can be used for explaining the present invention and can not be used for explaining is limitation of the present invention.
Embodiment 1
A kind of manufacture method of electric screw jet blade may further comprise the steps:
Batching, its composition of material that production electric screw jet blade is used is by weight percentage, 2.0% carbon, 0.5% silicon, 3.8% chromium, 3% vanadium, 2% tungsten, 0.001% niobium, 1.8% manganese, 0.5% aluminium, 0.001% titanium, surplus is iron and inevitable impurity;
Batch mixing mixes the material of determining prescription, and then grinds into the powder that grain diameter on average is no more than 100 microns, and preferably grain diameter on average is no more than the powder of 10-20 micron;
Compacting, the mode that adopts one or many to fill, the pressure with 650MPa in mould is suppressed moulding in 30 seconds;
Sintering, at first presintering 1.5 hours under 600-800 ℃ of temperature, and then mould is interior with hot shaping under the 150MPa pressure, again in 1250-1350 ℃ of lower sintering and be incubated 2 hours, then divide the two-stage cooling, the cooling rate of phase I remains on 5-8 ℃/minute, and tempering is 2 hours when drop in temperature arrives 500-550 ℃, then naturally cool to 200 ± 20 ℃, obtain electric screw jet blade base substrate;
Quench, above-mentioned base substrate be incubated 2 hours in 780-800 ℃ of glowing furnace, carry out Quenching Treatment, adopt to naturally cool to room temperature after being incubated 3 hours behind 230 ± 20 ℃ of constant temperature salt bath quenching to 230 ± 20 ℃, obtain electric screw jet blade semi-finished product;
Above-mentioned semi-finished product are finished processing through operations such as later stage polishing and surface treatments.
Embodiment 2
A kind of manufacture method of electric screw jet blade may further comprise the steps:
Batching, its composition of material that production electric screw jet blade is used is by weight percentage, 2.2% carbon, 0.65% silicon, 4.0% chromium, 3.5% vanadium, 2.5% tungsten, 0.0015% niobium, 2.0% manganese, 0.8% aluminium, 0.003% titanium, surplus is iron and inevitable impurity;
Batch mixing mixes the material of determining prescription, and then grinds into the powder that grain diameter on average is no more than 100 microns, and preferably grain diameter on average is no more than the powder of 10-20 micron;
Compacting, the mode that adopts one or many to fill, the pressure with 700MPa in mould is suppressed moulding in 60 seconds;
Sintering, at first presintering 1.5 hours under 600-800 ℃ of temperature, and then mould is interior with hot shaping under the 180MPa pressure, again in 1250-1350 ℃ of lower sintering and be incubated 2 hours, then divide the two-stage cooling, the cooling rate of phase I remains on 5-8 ℃/minute, and tempering is 2 hours when drop in temperature arrives 500-550 ℃, then naturally cool to 200 ± 20 ℃, obtain electric screw jet blade base substrate;
Quench, above-mentioned base substrate be incubated 2 hours in 780-800 ℃ of glowing furnace, carry out Quenching Treatment, adopt to naturally cool to room temperature after being incubated 3 hours behind 230 ± 20 ℃ of constant temperature salt bath quenching to 230 ± 20 ℃, obtain electric screw jet blade semi-finished product;
Above-mentioned semi-finished product are finished processing through operations such as later stage polishing and surface treatments.
Embodiment 3
A kind of manufacture method of electric screw jet blade may further comprise the steps:
Batching, its composition of material that production electric screw jet blade is used is by weight percentage, 2.1% carbon, 0.6% silicon, 4.0% chromium, 3.3% vanadium, 2.25% tungsten, 0.0013% niobium, 1.86% manganese, 0.7% aluminium, 0.003% titanium, surplus is iron and inevitable impurity;
Batch mixing mixes the material of determining prescription, and then grinds into the powder that grain diameter on average is no more than 100 microns, and preferably grain diameter on average is no more than the powder of 10-20 micron;
Compacting, the mode that adopts one or many to fill, the pressure with 700MPa in mould is suppressed moulding in 60 seconds;
Sintering, at first presintering 2 hours under 600-800 ℃ of temperature, and then mould is interior with hot shaping under the 200MPa pressure, again in 1250-1350 ℃ of lower sintering and be incubated 2 hours, then divide the two-stage cooling, the cooling rate of phase I remains on 5-8 ℃/minute, and tempering is 2 hours when drop in temperature arrives 500-550 ℃, then naturally cool to 200 ± 20 ℃, obtain electric screw jet blade base substrate;
Quench, above-mentioned base substrate be incubated 2 hours in 780-800 ℃ of glowing furnace, carry out Quenching Treatment, adopt to naturally cool to room temperature after being incubated 3 hours behind 230 ± 20 ℃ of constant temperature salt bath quenching to 230 ± 20 ℃, obtain electric screw jet blade semi-finished product;
Above-mentioned semi-finished product are finished processing through operations such as later stage polishing and surface treatments.
Claims (1)
1. the manufacture method of an electric screw jet blade is characterized in that: may further comprise the steps:
Batching, its composition of material that production electric screw jet blade is used is by weight percentage, the tungsten of the chromium of the carbon of 2.0-2.2%, the silicon of 0.5-0.65%, 3.8-4.0%, the vanadium of 3-3.5%, 2-2.5%, the niobium of 0.001-0.0015%, the manganese of 1.8-2.0%, the aluminium of 0.5-0.8%, the titanium of 0.001-0.003%, surplus is iron and inevitable impurity;
Batch mixing mixes the material of determining prescription, and then grinds into the powder that grain diameter on average is no more than 100 microns, and preferably grain diameter on average is no more than the powder of 10-20 micron;
Compacting, the mode that adopts one or many to fill, the pressure with 600-750MPa in mould is suppressed 10-60 moulding second;
Sintering, at first under 600-800 ℃ of temperature presintering 1-2 hour, and then mould is interior with hot shaping under the 150-200MPa pressure, again in 1250-1350 ℃ of lower sintering and be incubated 1-3 hour, then divide the two-stage cooling, the cooling rate of phase I remains on 5-8 ℃/minute, and tempering is 1-3 hour when drop in temperature arrives 500-550 ℃, then naturally cool to 200 ± 20 ℃, obtain electric screw jet blade base substrate;
Quench, above-mentioned base substrate be incubated 2 hours in 780-800 ℃ of glowing furnace, carry out Quenching Treatment, adopt to naturally cool to room temperature after being incubated 2-4 hour behind 230 ± 20 ℃ of constant temperature salt bath quenching to 230 ± 20 ℃, obtain electric screw jet blade semi-finished product;
Above-mentioned semi-finished product are finished processing through operations such as later stage polishing and surface treatments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104946314A CN102974826A (en) | 2012-11-22 | 2012-11-22 | Manufacturing method of tool bit of electric screw driver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104946314A CN102974826A (en) | 2012-11-22 | 2012-11-22 | Manufacturing method of tool bit of electric screw driver |
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| CN102974826A true CN102974826A (en) | 2013-03-20 |
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| CN2012104946314A Pending CN102974826A (en) | 2012-11-22 | 2012-11-22 | Manufacturing method of tool bit of electric screw driver |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002423A (en) * | 2015-07-27 | 2015-10-28 | 滁州市昊宇滑动轴承有限公司 | Manufacturing method of low-temperature-resistant vacuum screw |
| CN105714074A (en) * | 2016-01-12 | 2016-06-29 | 北京莱思创激光技术有限公司 | Laser quenching method for screwdriver |
| CN106498309A (en) * | 2016-11-01 | 2017-03-15 | 安徽恒均粉末冶金科技股份有限公司 | A kind of high optical axis sprocket wheel method for preparing powder metallurgy of thermohardening |
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| CN1139030A (en) * | 1995-06-28 | 1997-01-01 | 苏泉涌 | Powder metallurgical process for producing driller chuck parts |
| WO2004103613A1 (en) * | 2003-05-20 | 2004-12-02 | Sandvik Intellectual Property Ab | An edge-carrying drill body, and a method for the manufacture of the same and a drilling tool comprising such a drill body |
| CN1687473A (en) * | 2005-04-19 | 2005-10-26 | 河源富马硬质合金股份有限公司 | Carbide alloy, carbide bit and manufacturing method thereof |
| CN101144370A (en) * | 2007-10-24 | 2008-03-19 | 中国地质大学（武汉） | Hot pressing high phosphorus iron base diamond drilling bit and preparation method thereof |
| US20090257903A1 (en) * | 2005-09-08 | 2009-10-15 | Stefan Sundin | Powder Metallurgically Manufactured High Speed Steel |
| CN102189257A (en) * | 2010-03-10 | 2011-09-21 | 钟淼芳 | Powder sintering forming method for cutting tool and cutting body thereof |
| CN102744401A (en) * | 2012-07-24 | 2012-10-24 | 王伟德 | Geological mineral exploration device and preparation method thereof |
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2012
- 2012-11-22 CN CN2012104946314A patent/CN102974826A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1139030A (en) * | 1995-06-28 | 1997-01-01 | 苏泉涌 | Powder metallurgical process for producing driller chuck parts |
| WO2004103613A1 (en) * | 2003-05-20 | 2004-12-02 | Sandvik Intellectual Property Ab | An edge-carrying drill body, and a method for the manufacture of the same and a drilling tool comprising such a drill body |
| CN1687473A (en) * | 2005-04-19 | 2005-10-26 | 河源富马硬质合金股份有限公司 | Carbide alloy, carbide bit and manufacturing method thereof |
| US20090257903A1 (en) * | 2005-09-08 | 2009-10-15 | Stefan Sundin | Powder Metallurgically Manufactured High Speed Steel |
| CN101144370A (en) * | 2007-10-24 | 2008-03-19 | 中国地质大学（武汉） | Hot pressing high phosphorus iron base diamond drilling bit and preparation method thereof |
| CN102189257A (en) * | 2010-03-10 | 2011-09-21 | 钟淼芳 | Powder sintering forming method for cutting tool and cutting body thereof |
| CN102744401A (en) * | 2012-07-24 | 2012-10-24 | 王伟德 | Geological mineral exploration device and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105002423A (en) * | 2015-07-27 | 2015-10-28 | 滁州市昊宇滑动轴承有限公司 | Manufacturing method of low-temperature-resistant vacuum screw |
| CN105714074A (en) * | 2016-01-12 | 2016-06-29 | 北京莱思创激光技术有限公司 | Laser quenching method for screwdriver |
| CN106498309A (en) * | 2016-11-01 | 2017-03-15 | 安徽恒均粉末冶金科技股份有限公司 | A kind of high optical axis sprocket wheel method for preparing powder metallurgy of thermohardening |
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Application publication date: 20130320 |