CN101254585A - Grinding technique for forging non-corrodible steel knife - Google Patents
Grinding technique for forging non-corrodible steel knife Download PDFInfo
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- CN101254585A CN101254585A CNA2008100695575A CN200810069557A CN101254585A CN 101254585 A CN101254585 A CN 101254585A CN A2008100695575 A CNA2008100695575 A CN A2008100695575A CN 200810069557 A CN200810069557 A CN 200810069557A CN 101254585 A CN101254585 A CN 101254585A
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Abstract
The invention discloses a process for forging and grinding stainless steel, which comprises the following steps: (1) subjecting a cutter blank having a cross-section forged to taper shape; (2) primarily coarse-grinding a recessed arc surface at the middle part of a cutting tool by an edge formed by the end face and the circumference of a grinding wheel of a water mill machine; (3) secondarily coarse-grinding a blade edge by the end face of the grinding wheel of the water mill machine; (4) thirdly coarse-grinding the back of the cutting tool by the end face of the grinding wheel of the water mill machine; (5) primarily fine-grinding the recessed surface at the middle part of the cutting tool by the end face of a rubber grinding wheel of the water mill machine; (6) secondarily fine-grinding the blade edge by the end face of the rubber grinding wheel of the water mill machine; and (7) thirdly fine-grinding the back of the cutting tool by the end face of the grinding wheel. In the coarse grinding process, the temperature of the cutting tool is not larger than 200 DEG C, and the rigidity is unlikely to decrease after grinding. Compared with prior manual production, the mechanized process can ensure uniform surface lines, thickness and rigidity of the cutting tool, stable product quality, low rejection rate, simplified process, and greatly improved production efficiency.
Description
Technical field
The invention belongs to the processing grinding process of cutter, specifically, relating to a kind of is the technology that raw material carry out the mechanization grinding with the forging non-corrodible steel cutter blank.
Background technology
The cutter blank that is used for the processing kitchen knife is divided into two kinds, a kind of is that stainless steel materials punching press shearing forms, another kind is the stainless steel cutter blank that forms through forging, the cutter blank thickness unanimity that forms is sheared in the stainless steel materials punching press, can carry out levigator mechanization in the surfacing grinding process once roughly grinds with a fine grinding and finishes, the efficient height can large-scale batch production, appearance looks elegant, constant product quality; Through forging the stainless steel cutter blank that forms, to organize more evenly by the carbide that forges the back metal material, crystal grain is thinner, the more refinement that distributes, hardness height, good toughness, wearability, resistance to impact is better, liked by the consumer.But through the cutter blank that the forges cutter blank with respect to sheet material, its cutter middle part has tapering, thickness inconsistent for recessed cambered surface, cross section, can not carry out the mechanization polishing with levigator.At present, grinding technique for forging non-corrodible steel knife all is artificial grinding, at first emery wheel is slightly polished, the people holds cutter blank and slowly grinds on the emery wheel that rotates, with diamond dust cutter blank is finish grinded repeated multiple times again, last polishing cloth adds that antiscuffing paste polishes, technology is loaded down with trivial details, and whole forging non-corrodible steel cutter blank is in artificial bruting process, roughly grind the stage owing to be manually to polish to spray water to cool off at emery wheel, the bad control of cutter hub temperature, surpass 400 degree when the temperature of cutter blank because with the emery wheel friction after, will cause the hardness decline scrap of cutter blank many.
Summary of the invention
The object of the present invention is to provide a kind of technology that levigator mechanization grinding is carried out for the forging non-corrodible steel cutter blank that is recessed into arc and rough surface in the middle part.
For achieving the above object, technical scheme of the present invention is as follows:
Step 1, select for use cross section to forge tapered cutter blank, then cutter blank is heat-treated; Organize more even by the carbide of the metal material after forging, crystal grain is thinner, more refinement distributes, hardness height, good toughness, wearability, resistance to impact is better, but the cutter blank that process forges is with respect to the cutter blank of sheet material, its middle part is recessed cambered surface and uneven, can not carry out the mechanization polishing with levigator.
Step 2, the seamed edge that forms with levigator abrasive wheel end face and emery wheel excircle carry out first step corase grind to the recessed cambered surface of cutter hub lateral middle, during corase grind by cutter blank longitudinally an end be polished to the other end, the cooling of levigator nozzle water spray makes the cutter blank temperature be no more than 200 ℃.Well solve the traditional water grinding machine and can not be used for the polishing of forging non-corrodible steel cutter blank, because the cutter blank of water mill function air exercise mill is sprayed water chilling temperature can be not too high, the hardness of cutter blank can not descend in the feasible polishing, can not grind useless cutter blank, percent defective reduces, and product quality is highly stable.
Step 3, with the levigator abrasive wheel end face cutter blank cutting edge is carried out the second step corase grind, emery wheel vertically is polished to the other end from an end of cutting edge by cutter blank during corase grind, and the cooling of levigator nozzle water spray makes the cutter blank temperature be no more than 200 ℃;
Step 4, with the levigator abrasive wheel end face knife back is carried out the 3rd step corase grind, emery wheel vertically is polished to the other end from the knife back one end by cutter blank during corase grind, and the cooling of levigator nozzle water spray makes the cutter blank temperature be no more than 200 ℃; Three step corase grind make that the knife mark road that processes is even, with the thickness unanimity of a collection of product, appearance looks elegant.
Step 5, the seamed edge that forms with levigator elastic grinding wheel end face and elastic grinding wheel excircle carry out first step correct grinding to the recessed cambered surface in cutter hub middle part, during correct grinding elastic grinding wheel by cutter blank longitudinally an end be polished to the other end; Well solve the traditional water grinding machine and can not be used for correct grinding, the polishing of forging non-corrodible steel cutter blank.
Step 6, with the end face of levigator elastic grinding wheel the cutter blank cutting edge is carried out the second step correct grinding, elastic grinding wheel vertically is polished to the other end from an end of cutting edge by cutter blank during correct grinding;
Step 7, with the levigator abrasive wheel end face knife back is carried out the 3rd step correct grinding, elastic grinding wheel vertically is polished to the other end from the knife back one end by cutter blank during correct grinding.A series of loaded down with trivial details technologies such as polishing of correct grinding, polishing cloth and the antiscuffing paste in diamond dust in making by hand and sand ribbon have been deducted.Improved production efficiency greatly.
In the levigator emery wheel mechanism that above-mentioned steps two and step 5 are used was installed in the screw that levigator mills in addition, cutter hub and abrasive wheel end face were provided with at an angle.
The model of the levigator of above-mentioned steps five to the step 7 correct grinding process is littler than the model of the levigator of step 2 to the step 4 corase grind process.Also the emery wheel than corase grind is little to fit over the elastic grinding wheel of working above.
Characteristics according to the forging non-corrodible steel cutter blank, the cutter hub cross section has tapering, cutter hub is three parts that thickness differs, the knife back, middle recessed cambered surface, knife edge part, corase grind and correct grinding all will divide for three steps carried out, and middle recessed cambered surface also will carry out different special process and carry out grinding, the backward traditional handicraft that the grinding that this technology has well solved forging non-corrodible steel cutter blank all the time all can only hand grinding.
Beneficial effect: the present invention corase grind will before manual production become Mechanized Processing, the cutter blank temperature can not surpass 200 and spends in bruting process, hardness can not descend after the grinding; Cutter surface pattern, thickness, hardness outside is consistent, constant product quality, and percent defective is low; Simplified technology, production efficiency is greatly enhanced.
The specific embodiment
Grinding technique for forging non-corrodible steel knife comprises the steps:
Step 1, select for use cross section to forge tapered cutter blank, then cutter blank is heat-treated; Hardness reaches the HRC56 degree;
Step 2, cutter blank is clipped on the D530 automatic hydraulic end face levigator platform, levigator emery wheel mechanism is installed in the screw that levigator mills in addition, adjust to cutter hub and abrasive wheel end face at an angle, the seamed edge that forms with levigator abrasive wheel end face and emery wheel excircle carries out first step corase grind to the recessed cambered surface of cutter hub lateral middle, during corase grind by cutter blank longitudinally an end be polished to the other end, the water spray cooling of levigator nozzle makes the cutter blank temperature be no more than 200 ℃;
Step 3, will press from both sides the platform of cutter blank and abrasive wheel end face adjustment reduction again, with the levigator abrasive wheel end face cutter blank cutting edge is carried out the second step corase grind, emery wheel vertically is polished to the other end from an end of cutting edge by cutter blank during corase grind, and the cooling of levigator nozzle water spray makes the cutter blank temperature be no more than 200 ℃;
Step 4, the platform of not adjusting the folder cutter blank and the angle of emery wheel, with the levigator abrasive wheel end face knife back is carried out the 3rd step corase grind, emery wheel vertically is polished to the other end from the knife back one end by cutter blank during corase grind, and the cooling of levigator nozzle water spray makes the cutter blank temperature be no more than 200 ℃;
Step 5, cutter blank is clipped on the D350 automatic hydraulic end face levigator platform, levigator emery wheel mechanism is installed in the screw that levigator mills in addition, adjust to cutter hub and elastic grinding wheel end face at an angle, the seamed edge that forms with levigator elastic grinding wheel end face and elastic grinding wheel excircle carries out first step correct grinding to the recessed cambered surface in cutter hub middle part, during correct grinding elastic grinding wheel by cutter blank longitudinally an end be polished to the other end;
Step 6, will press from both sides the platform of cutter blank and the adjustment of elastic grinding wheel end face reduction again, and with the end face of levigator elastic grinding wheel the cutter blank cutting edge be carried out for second step and finish grind, elastic grinding wheel vertically is polished to the other end from an end of cutting edge by cutter blank during correct grinding;
Step 7, the platform of not adjusting the folder cutter blank and the angle of elastic grinding wheel are carried out the 3rd step correct grinding with the levigator abrasive wheel end face to the knife back, and elastic grinding wheel vertically is polished to the other end from the knife back one end by cutter blank during correct grinding.
Claims (3)
1, a kind of grinding technique for forging non-corrodible steel knife is characterized in that: comprise the steps:
Step 1, select for use cross section to forge tapered cutter blank, then cutter blank is heat-treated;
Step 2, the seamed edge that forms with levigator abrasive wheel end face and emery wheel excircle carry out first step corase grind to the recessed cambered surface of cutter hub lateral middle, during corase grind by cutter blank longitudinally an end be polished to the other end, the cooling of levigator nozzle water spray makes the cutter blank temperature be no more than 200 ℃;
Step 3, with the levigator abrasive wheel end face cutter blank cutting edge is carried out the second step corase grind, emery wheel vertically is polished to the other end from an end of cutting edge by cutter blank during corase grind, and the cooling of levigator nozzle water spray makes the cutter blank temperature be no more than 200 ℃;
Step 4, with the levigator abrasive wheel end face knife back is carried out the 3rd step corase grind, emery wheel vertically is polished to the other end from the knife back one end by cutter blank during corase grind, and the cooling of levigator nozzle water spray makes the cutter blank temperature be no more than 200 ℃;
Step 5, the seamed edge that forms with levigator elastic grinding wheel end face and elastic grinding wheel excircle carry out first step correct grinding to the recessed cambered surface in cutter hub middle part, during correct grinding elastic grinding wheel by cutter blank longitudinally an end be polished to the other end;
Step 6, with the end face of levigator elastic grinding wheel the cutter blank cutting edge is carried out the second step correct grinding, elastic grinding wheel vertically is polished to the other end from an end of cutting edge by cutter blank during correct grinding;
Step 7, with the levigator abrasive wheel end face knife back is carried out the 3rd step correct grinding, elastic grinding wheel vertically is polished to the other end from the knife back one end by cutter blank during correct grinding.
2, according to the described grinding technique for forging non-corrodible steel knife of claim 1, it is characterized in that: in the levigator emery wheel mechanism that described step 2 and step 5 are used was installed in the screw that levigator mills in addition, cutter hub and abrasive wheel end face were provided with at an angle.
3, according to the described grinding technique for forging non-corrodible steel knife of claim 1, it is characterized in that: the model of the levigator of described step 5 to the step 7 correct grinding process is littler than the model of the levigator of step 2 to the step 4 corase grind process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2008100695575A CN100553875C (en) | 2008-04-14 | 2008-04-14 | Grinding technique for forging non-corrodible steel knife |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2008100695575A CN100553875C (en) | 2008-04-14 | 2008-04-14 | Grinding technique for forging non-corrodible steel knife |
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| CN101254585A true CN101254585A (en) | 2008-09-03 |
| CN100553875C CN100553875C (en) | 2009-10-28 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152221A (en) * | 2011-03-22 | 2011-08-17 | 重庆邓氏厨具制造有限公司 | Automatic polishing technology of forged knife |
| CN102615557A (en) * | 2012-04-11 | 2012-08-01 | 重庆邓氏厨具制造有限公司 | Wet sanding process for forged stainless steel knife using abrasive tape |
| CN103394976A (en) * | 2013-07-26 | 2013-11-20 | 重庆邓氏厨具制造有限公司 | Magnetic automatic abrasive belt grinding process for forging knife blanks |
| CN107139023A (en) * | 2017-06-29 | 2017-09-08 | 郭永梅 | It is a kind of to forge cutter blank technique for grinding with radian |
| CN111843637A (en) * | 2019-04-29 | 2020-10-30 | 阳江市华发工贸实业有限公司 | Food knife cutting edge grinding device |
| CN113084446A (en) * | 2021-03-30 | 2021-07-09 | 攀钢集团攀枝花钛材有限公司 | Method for repairing and regenerating blade of titanium sponge slicer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2293343A (en) * | 1994-09-23 | 1996-03-27 | Wang Mon Chang | Knife |
| CN2423077Y (en) * | 2000-04-05 | 2001-03-14 | 綦泰鸣 | Stainless steel knife with carbon steel knife edge |
| SE529856C2 (en) * | 2005-12-16 | 2007-12-11 | Sandvik Intellectual Property | Coated cemented carbide inserts, ways of making this and its use for milling |
-
2008
- 2008-04-14 CN CNB2008100695575A patent/CN100553875C/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102152221A (en) * | 2011-03-22 | 2011-08-17 | 重庆邓氏厨具制造有限公司 | Automatic polishing technology of forged knife |
| CN102152221B (en) * | 2011-03-22 | 2013-03-13 | 重庆邓氏厨具制造有限公司 | Automatic polishing technology of forged knife |
| CN102615557A (en) * | 2012-04-11 | 2012-08-01 | 重庆邓氏厨具制造有限公司 | Wet sanding process for forged stainless steel knife using abrasive tape |
| CN103394976A (en) * | 2013-07-26 | 2013-11-20 | 重庆邓氏厨具制造有限公司 | Magnetic automatic abrasive belt grinding process for forging knife blanks |
| CN107139023A (en) * | 2017-06-29 | 2017-09-08 | 郭永梅 | It is a kind of to forge cutter blank technique for grinding with radian |
| CN111843637A (en) * | 2019-04-29 | 2020-10-30 | 阳江市华发工贸实业有限公司 | Food knife cutting edge grinding device |
| CN113084446A (en) * | 2021-03-30 | 2021-07-09 | 攀钢集团攀枝花钛材有限公司 | Method for repairing and regenerating blade of titanium sponge slicer |
| CN113084446B (en) * | 2021-03-30 | 2022-03-22 | 攀钢集团攀枝花钛材有限公司 | Method for repairing and regenerating blade of titanium sponge slicer |
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| Publication number | Publication date |
|---|---|
| CN100553875C (en) | 2009-10-28 |
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