CN109719347A - The left-handed high spiral of multiple-cutting-edge pushes away reamer - Google Patents
The left-handed high spiral of multiple-cutting-edge pushes away reamer Download PDFInfo
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- CN109719347A CN109719347A CN201910176977.1A CN201910176977A CN109719347A CN 109719347 A CN109719347 A CN 109719347A CN 201910176977 A CN201910176977 A CN 201910176977A CN 109719347 A CN109719347 A CN 109719347A
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- 238000005520 cutting process Methods 0.000 claims abstract description 57
- 238000012545 processing Methods 0.000 claims abstract description 41
- 238000003754 machining Methods 0.000 claims abstract description 21
- 238000003801 milling Methods 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 235000010585 Ammi visnaga Nutrition 0.000 claims description 9
- 244000153158 Ammi visnaga Species 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000002161 passivation Methods 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000004576 sand Substances 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 4
- 239000006052 feed supplement Substances 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000002372 labelling Methods 0.000 claims description 3
- 238000012372 quality testing Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005498 polishing Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
Reamer, including knife handle and knife bar are pushed away the invention discloses a kind of left-handed high spiral of multiple-cutting-edge, are circumferentially provided with the cutting edge of multiple cooperations on guide rod on face, cutting edge is divided into from the head of knife bar to tail portion slightly to be cut portion, leads straight portion, half fine cut portion and fine cut portion；The thick portion's of cutting setting is tapered, and two neighboring slightly cut is provided with left-handed straight trough between portion, two neighboring lead is provided with axial straight trough between straight portion, and the processing diameter for leading straight portion, which is less than, slightly cuts portion's maximum machining diameter；It leads straight portion and is located at the side in half fine cut portion and be provided with the reversed cone slot being connected with half fine cut portion；The setting of half fine cut portion is tapered, and left-handed high helicla flute is also equipped between two neighboring half fine cut portion and between two neighboring fine cut portion；The thick portion of cutting is used for the 80%-90% of the total processing capacity of milling, and half fine cut portion is used for the 10%-20% of the total processing capacity of milling.The present invention can one-pass molding duct, processing quality is high, and stability is good, and can be prepared using common material, at low cost.
Description
Technical field
The present invention relates to process tool fields, and in particular to a kind of left-handed high spiral of multiple-cutting-edge pushes away reamer.
Background technique
Reamer is for the hole after drilling (or reaming) processing on ream workpiece, primarily to improving the processing essence in hole
Degree, reduces the roughness on its surface, is the finishing for hole and semi-finished cutter, the general very little of machining allowance.
Therefore reamer machining accuracy be the key that determine cutter quality, existing reamer when in use, due to a some holes
Depth is big and hard, therefore reamer has certain length and revolving speed is higher, and it is obvious to there is bounce when processing, and finishing
Work and roughing are needed using two cutters, extreme influence processing efficiency；The material hardness that reamer can certainly be increased reaches
The purpose of bounce is reduced, but it is expensive.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of left-handed high spirals of multiple-cutting-edge to push away reamer, being capable of one-pass molding hole
Road, processing quality is high, and stability is good, and can be prepared using common material, at low cost.
Push away reamer in order to solve the above-mentioned technical problems, the present invention provides a kind of left-handed high spiral of multiple-cutting-edge, including knife handle and
Knife bar is circumferentially provided with the cutting edge of multiple cooperations on the guide rod on face, and the cutting edge is from the head of knife bar to tail portion
It is divided into and slightly cuts portion, leads straight portion, half fine cut portion and fine cut portion；
The thick portion's of cutting setting is tapered, and two neighboring slightly cut is provided with left-handed straight trough between portion, described slightly to cut portion and lead
It is provided with escape between straight portion, two neighboring lead is provided with axial straight trough between straight portion, the processing diameter for leading straight portion is small
Portion's maximum machining diameter is cut in thick；
It is described lead straight portion and be located at the side in half fine cut portion be provided with the reversed cone slot being connected with half fine cut portion；
Half fine cut portion and fine cut portion are successively connected setting, and the setting of half fine cut portion is tapered, two neighboring half essence
It cuts and is provided with left-handed high helicla flute between portion, left-handed high helicla flute, the fine cut portion are also equipped between two neighboring fine cut portion
Processing diameter be equal to half fine cut portion maximum machining diameter, half fine cut portion's maximum machining diameter be greater than slightly cuts portion's maximum processing
Diameter；
The thick portion of cutting is used for the 80%-90% of the total processing capacity of milling, and half fine cut portion is for the total processing capacity of milling
10%-20%.
Further, the quantity of the cutting edge is odd number, the cutting edge not equal part fluting setting.
Further, the quantity of the cutting edge is even number, and equal part fluting is not arranged and is arranged the cutting edge
Divide helical angle.
Further, described slightly to cut portion, lead straight portion, half fine cut portion and fine cut portion surface and be provided with microthin coating.
Further, the taper angle for slightly cutting portion is 10 degree, and the taper angle of the reversed cone slot is 60 degree, described
The taper precision in half fine cut portion is 4 degree.
Further, the anterior angle angle in half fine cut portion and fine cut portion is 0-5 degree.
Further, described slightly to cut portion along axial effective cutting having a size of 2.1mm, the size for leading straight portion is 5mm,
The size in half fine cut portion is 0.5mm, and the size in the fine cut portion is 21.655mm.
A kind of reamer preparation method, comprising the following steps:
Step 1) gets satisfactory blank alloy bar；
Step 2) is cut blank alloy bar using wire cutting, obtains bar；
Step 3) cuts bar Excircle machining to the diameter slightly cut portion, lead straight portion, half fine cut portion and fine cut portion respectively
It cuts, to process outer circle structure；
When reamer is outer air-cooled structure, 120 degree of top angles are ground in reamer front end face, grind 120 degree of anti-tops in reamer rear end face
Then wedge angle grinds top angle and counter center angle with milling apparatus and measures, the bounce for controlling top angle and counter center angle exists
Within 0.002mm；
Step 4) examines the excircle dimension of bar, meets drawing requirement and continues to process；It does not meet, scrap feed supplement or reprocesses place
Reason；
Step 5) slots to bar using CNC equipment and grinds back, and the sequence of fluting is from fine cut portion towards slightly portion is cut, in fluting
Mill back is synchronized simultaneously, completes land processing；
Left-handed high helicla flute is first opened up, in a device, inputs core thickness, helical angle, slot anterior angle, land ruler by drawing size
Very little, peripheral relief angle, flute length and sword are long；The grinding wheel of the corresponding processing of then selection, and match machining angle；It is straight according to the maximum of fluting
On the basis of diameter, bracket is selected；
When reamer inner-cooling structure, fluting benchmark diameter, helical angle are subject to outer diameter；
Then axial straight trough and left-handed straight trough are opened up, in a device, left and right core height is inputted by drawing size and upper and lower core is high,
The grinding wheel of the corresponding processing of then selection, and match machining angle；
Step 6) carries out quality testing using cutting tools measurement instrument；
The processing of step 7) cutting edge passivation, is handled in fine sand, and revolving speed is 30 to 40 revs/min, according to cutter diameter, rotates forward 1
It to 4 minutes, then inverts 1 to 4 minute, rotating and reverse each is once one group of passivation, after one group or multiple groups are passivated at completion
Reason；
Step 8) carries out coating coating after being passivated；
Step 9) is passivated again, is handled in fine sand, and revolving speed is 30 to 40 revs/min, according to cutter diameter, rotates forward 1 to 4 point
Then clock inverts 1 to 4 minute, rotating and reverse each is once one group of passivation, and completion is handled after multiple groups passivation；
Step 10) carries out shipment quality inspection using cutting tools measurement instrument；
Step 11) cleans appearance；
Step 12) is packaged and outer labelling, completes preparation.
Further, when reamer is inner-cooling structure and needs to weld, toothpick is first filled in interior cold hole, then alignment welding,
Wherein the length of filling in of toothpick is 8mm, and the gap of interior cold hole and toothpick is 0.2 between 0.3mm.
Beneficial effects of the present invention:
It is designed using multi-segment structure, roughing and finishing is incorporated on a cutter, to realize that primary formed adds
The effect of work.It wherein leads straight portion and fine cut portion is not involved in cutting, the design of two parts can reach hole wall after guarantee is processed
The consistency in straightness and aperture substantially increases processing quality, and stability in use is good, at low cost.It ensure that workpiece is extra small
Tolerance and good straightness.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is cutting edge partial schematic diagram of the invention；
Fig. 3 is that the present invention slightly cuts portion and leads the enlarged diagram in straight portion；
Fig. 4 is odd number sword fluting schematic diagram figure of the present invention；
Fig. 5 is even number sword fluting schematic diagram figure of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Referring to figs. 1 to shown in Fig. 3, the left-handed high spiral of multiple-cutting-edge of the invention pushes away an embodiment of reamer, including knife handle and knife
Bar, is circumferentially provided with the cutting edge of multiple cooperations on guide rod on face, and cutting edge is divided into slightly from the head of knife bar to tail portion
It cuts portion 1, lead straight portion 2, half fine cut portion 3 and fine cut portion 4；The thick portion of cutting is used for the 80%-90% of the total processing capacity of milling, and half fine cut portion uses
In the 10%-20% of the total processing capacity of milling, leads straight portion and fine cut portion is not involved in cutting；
Wherein, the processing diameter for leading straight portion, which is less than, slightly cuts portion's maximum machining diameter, and the processing diameter in fine cut portion is equal to half essence
Portion's maximum machining diameter is cut, half fine cut portion maximum machining diameter, which is greater than, slightly cuts portion's maximum machining diameter；Therefore straight portion and fine cut are led
Portion is not involved in cutting in theory, but there are the factors such as bounce in processing, therefore is present in hole wall contact and participates in cutting
The problem of, by the restriction of above-mentioned diameter, cutting output is limited, and the straightness of hole wall and aperture after guarantee is processed can be reached
Consistency, substantially increase processing quality.
In order to guarantee cutting effect, slightly the portion's of cutting setting is tapered, and it is two neighboring slightly cut be provided between portion it is left-handed straight
Slot 5, slightly cuts portion and leads and be provided with escape 6 between straight portion, is smoothly transitted with facilitating, two neighboring lead is provided with axis between straight portion
To straight trough 7；It leads straight portion and is located at the side in half fine cut portion and be provided with the reversed cone slot 8 being connected with half fine cut portion, play the work of linking
With, and the starting cutting point in half fine cut portion is located between the both ends in half fine cut portion；Half fine cut portion and fine cut portion are successively held in the mouth
Setting is connect, the setting of half fine cut portion is tapered, in order to cut, left-handed high helicla flute 9 is provided between two neighboring half fine cut portion,
Left-handed high helicla flute is also equipped between two neighboring fine cut portion, left-handed straight trough, axial straight trough and left-handed high helicla flute cooperate shape
At chip space, chip removal trench bottom passes through the transition of the angle R and polishing, facilitates chip removal.
Referring to shown in Fig. 4, the quantity of cutting edge is odd number, cutting edge not equal part fluting setting, φ 1+ φ 2+ φ 3=
360 °, 1 ≠ φ of φ, 2 ≠ φ 3.Cutting precision can be effectively improved, stability is high.
Referring to Figure 5, the quantity of cutting edge is even number, and equal part fluting is not arranged and not equal part spiral is arranged cutting edge
Angle, 3 ≠ φ of φ 1+ φ 2+ φ 3+ φ 4=360 °, φ 1 ≠ φ, 2 ≠ φ 4,4 ° of 3 ° ≠ η of 1 ° ≠ η of η, 2 ° ≠ η.It can effectively improve
Cutting precision, stability are high.
It is above-mentioned slightly to cut portion, lead straight portion, half fine cut portion and fine cut portion surface and be provided with microthin coating, guarantee tool quality.
In one embodiment, for process steel alloy through-hole, material hardness: HRC25~, hole tolerance: D3.972~
3.985mm, hole smoothness requirements: 1.6, process hole depth: 18~40mm of through-hole, position degree requirement: 0.02mm, workpiece are bilateral remaining
Amount: 0.06~0.1mm.Therefore it is designed based on above-mentioned data, wherein the taper angle for slightly cutting portion is 10 degree, reversed cone slot
Taper angle is 60 degree, and the taper precision in half fine cut portion is 4 degree.The anterior angle angle in half fine cut portion and fine cut portion is 0-5 degree, is slightly cut
Portion is along axial effective cutting having a size of 2.1mm, and the size for leading straight portion is 5mm, and the size in half fine cut portion is 0.5mm, fine cut portion
Size be 21.65mm.When in use, the cooperation cooperation between each size, plays good processing effect, in random inspection
In 100 hole data: pore size stabilization meets the requirements of the customers in 3.980~3.982mm, finish and position degree.
A kind of above-mentioned preparation method for pushing away reamer is specifically also provided, comprising the following steps:
Step 1) gets satisfactory blank alloy bar, and blank alloy bar is having a size of D6.3, standard the overall length: (library 330mm
Room) { D6.3*330+3 }；
Step 2) cutter requires length+3mm~5mm { D6.3*110 }, therefore is cut blank alloy bar using wire cutting,
Obtain bar；
Step 3) cuts bar Excircle machining to the diameter slightly cut portion, lead straight portion, half fine cut portion and fine cut portion respectively
It cuts, to process outer circle structure；
When reamer is outer air-cooled structure, 120 degree of top angles are ground in reamer front end face, grind 120 degree of anti-tops in reamer rear end face
Then wedge angle grinds top angle and counter center angle with milling apparatus and measures, the bounce for controlling top angle and counter center angle exists
Within 0.002mm；
Wherein, outer circle roughly grinds head to sizeGuide part periphery blade size
Finishing portions peripheral dimension:
Fine grinding cylinder head is to sizeGuide part periphery blade sizeEssence
Process portion perimeter size: D3.973 ± 0.002
Back taper size has small straight section, 2B.T=0 according to drawing size, the peripheral edge size portion of D3.94 size, and remainder has down
Bore B.T=0.05~0.2/100
There are small straight section, 3.5B.T=0 in the peripheral edge size portion of D3.973 size, and remainder has back taper B.T=0.05~0.2/
100；
When reamer is inner-cooling structure, corase grinding billet surface is light-exposed (benchmark of centre bore), cutter both ends grinding center hole:
0.1~1.0*60~120 ° guarantee that the bounce of two centre bores controls the coarse-fine mill of outer circle within 0.002mm after special equipment measurement
To drawing size, there are small straight section, B.T=0 in each ladder blade head, and remainder has back taper；
Step 4) examines the excircle dimension of bar, meets drawing requirement and continues to process；It does not meet, scrap feed supplement or reprocesses place
Reason；
Step 5) slots to bar using CNC equipment and grinds back, and the sequence of fluting is from fine cut portion towards slightly portion is cut, in fluting
Mill back is synchronized simultaneously, completes land processing；Notching data setting when to fully consider, including 90 ° of grinding wheel angle or at
Abrasive wheel, the heart high 0 U+3F28, flute length 35mm；
First open up left-handed high helicla flute, in a device, by drawing size input core thickness 2.5,55 ° of helical angle, slot anterior angle 0 to
5 °, land 0.25 ± 0.03,20 ° of peripheral relief angle, flute length 35 and sword long 30；The grinding wheel of the corresponding processing of then selection, the angle of grinding wheel
Degree 90 ° or forming grinding wheel, 80~125mm of diameter, gullet matching R0.3mm, on the basis of the maximum gauge of fluting,
Bracket is needed, selection uses；
When reamer inner-cooling structure, fluting benchmark diameter, helical angle are subject to outer diameter；
Then axial straight trough and left-handed straight trough are opened up, in a device, left and right core height is inputted by drawing size and upper and lower core is high,
The grinding wheel of the corresponding processing of then selection, and match machining angle；It is high by 2.5 to set the high 0+0.03 of left and right core, upper and lower core；Slot needs thick
Fine-grinding and polishing processing, the selection of grinding wheel: 90 ° of angle or forming grinding wheel, diameter 80 to 100mm, gullet R0.3；Head will mention
It is thick to rise slotted core: 2.2-2.5mm；Bracket needs；Cutter across back intensity 0.55 to 0.8mm；
It smoothly transits to guarantee that groove profile connects, is provided with back chipping cutter groove between each step connecting portion, groove width:
Mill back (land processing) is carried out in synchronizing for above-mentioned fluting
Guide part land: 0.3 ± 0.05, finishing Ministry of worker land: 0.25 ± 0.03
Step 6) carries out quality testing using cutting tools measurement instrument；Guarantee that blade back angled portion is not interfered；
The processing of step 7) cutting edge passivation, is handled in fine sand, and revolving speed is 40 revs/min, according to cutter diameter, positive 4 minutes anti-1
Minute, totally 10 minutes, blade burr is removed, increases blade finish；
Step 8) carries out coating coating after being passivated；
Step 9) is passivated again, is handled in fine sand, and according to cutter diameter, revolving speed is 40 revs/min, positive 2 minutes anti-2 points
Clock, totally 4 minutes；
Step 10) carries out shipment quality inspection using cutting tools measurement instrument；
Step 11) cleans appearance；
Step 12) is packaged and outer labelling, completes preparation.
In one embodiment, when reamer is inner-cooling structure and needs to weld, toothpick is first filled in interior cold hole, then alignment weldering
It connects, wherein the length of filling in of toothpick is 8mm, and 0.2 between 0.3mm, which is at low cost in the gap of interior cold hole and toothpick, even
It is good to connect effect, helps weld, is cleared up convenient for the later period, connection difficulty can be greatly reduced, save the cost improves processing efficiency.
Above embodiments are only to absolutely prove preferred embodiment that is of the invention and being lifted, and protection scope of the present invention is not
It is limited to this.Those skilled in the art's made equivalent substitute or transformation on the basis of the present invention, in guarantor of the invention
Within the scope of shield.Protection scope of the present invention is subject to claims.
Claims (9)
1. a kind of left-handed high spiral of multiple-cutting-edge pushes away reamer, which is characterized in that including knife handle and knife bar, on the guide rod circumferentially on face
It is provided with the cutting edge of multiple cooperations, the cutting edge is divided into portion of slightly cutting from the head of knife bar to tail portion, leads straight portion, half essence
Cut portion and fine cut portion；
The thick portion's of cutting setting is tapered, and two neighboring slightly cut is provided with left-handed straight trough between portion, described slightly to cut portion and lead straight portion
Between be provided with escape, two neighboring lead is provided with axial straight trough between straight portion, the processing diameter for leading straight portion is less than thick
Cut portion's maximum machining diameter；
It is described lead straight portion and be located at the side in half fine cut portion be provided with the reversed cone slot being connected with half fine cut portion；
Half fine cut portion and fine cut portion are successively connected setting, and tapered, two neighboring half fine cut portion is arranged in half fine cut portion
Between be provided with left-handed high helicla flute, be also equipped with left-handed high helicla flute between two neighboring fine cut portion, the fine cut portion plus
Work diameter is equal to half fine cut portion maximum machining diameter, and half fine cut portion's maximum machining diameter, which is greater than, slightly cuts the processing of portion's maximum directly
Diameter；
The thick portion of cutting is used for the 80%-90% of the total processing capacity of milling, and half fine cut portion is used for the 10%- of the total processing capacity of milling
20%.
2. the left-handed high spiral of multiple-cutting-edge as described in claim 1 pushes away reamer, which is characterized in that the quantity of the cutting edge is surprise
Number, the cutting edge not equal part fluting setting.
3. the left-handed high spiral of multiple-cutting-edge as described in claim 1 pushes away reamer, which is characterized in that the quantity of the cutting edge is even
Number, equal part fluting is not arranged and not equal part helical angle is arranged the cutting edge.
4. the left-handed high spiral of multiple-cutting-edge as described in claim 1 pushes away reamer, which is characterized in that described slightly to cut portion, lead straight portion, half essence
It cuts portion and fine cut portion surface is provided with microthin coating.
5. the left-handed high spiral of multiple-cutting-edge as described in claim 1 pushes away reamer, which is characterized in that described slightly to cut the taper angle in portion and be
10 degree, the taper angle of the reversed cone slot is 60 degree, and the taper precision in half fine cut portion is 4 degree.
6. the left-handed high spiral of multiple-cutting-edge as described in claim 1 pushes away reamer, which is characterized in that half fine cut portion and fine cut portion
Anterior angle angle is 0-5 degree.
7. the left-handed high spiral of multiple-cutting-edge as described in claim 1 pushes away reamer, which is characterized in that the portion of slightly cutting is along the effective of axial direction
Having a size of 2.1mm, the size for leading straight portion is 5mm for cutting, and the size in half fine cut portion is 0.5mm, the fine cut portion
Having a size of 21.655mm.
8. a kind of reamer preparation method, which comprises the following steps:
Step 1) gets satisfactory blank alloy bar；
Step 2) is cut blank alloy bar using wire cutting, obtains bar；
Step 3) cuts the diameter slightly cut portion, lead straight portion, half fine cut portion and fine cut portion bar Excircle machining respectively,
To process outer circle structure；
When reamer is outer air-cooled structure, 120 degree of top angles are ground in reamer front end face, grind 120 degree of counter center angles in reamer rear end face,
Then top angle and counter center angle are ground with milling apparatus and measured, control the bounce at top angle and counter center angle in 0.002mm
Within；
Step 4) examines the excircle dimension of bar, meets drawing requirement and continues to process；It does not meet, scraps feed supplement or Repair；
Step 5) slots to bar using CNC equipment and grinds back, and the sequence of fluting slightly cuts portion from fine cut portion direction, while fluting
Mill back is synchronized, land processing is completed；
First open up left-handed high helicla flute, in a device, by drawing size input core thickness, helical angle, slot anterior angle, land size, outside
All relief angles, flute length and sword are long；The grinding wheel of the corresponding processing of then selection, and match machining angle；It is according to the maximum gauge of fluting
Benchmark selects bracket；
When reamer inner-cooling structure, fluting benchmark diameter, helical angle are subject to outer diameter；
Then axial straight trough and left-handed straight trough are opened up, in a device, left and right core height is inputted by drawing size and upper and lower core is high, then
The grinding wheel of the corresponding processing of selection, and match machining angle；
Step 6) carries out quality testing using cutting tools measurement instrument；
The processing of step 7) cutting edge passivation, is handled in fine sand, and revolving speed is 30 to 40 revs/min, according to cutter diameter, rotates forward 1 to 4 point
Then clock inverts 1 to 4 minute, rotating and reverse each is once one group of passivation, and completion is handled after one group or multiple groups are passivated；
Step 8) carries out coating coating after being passivated；
Step 9) is passivated again, is handled in fine sand, and revolving speed is 30 to 40 revs/min, according to cutter diameter, is rotated forward 1 to 4 minute,
Then it inverts 1 to 4 minute, rotating and reverse each is once one group of passivation, and completion is handled after multiple groups passivation；
Step 10) carries out shipment quality inspection using cutting tools measurement instrument；
Step 11) cleans appearance；
Step 12) is packaged and outer labelling, completes preparation.
9. reamer preparation method as claimed in claim 8, which is characterized in that when reamer is inner-cooling structure and needs to weld,
Toothpick is first filled in interior cold hole, then alignment welding, and wherein the length of filling in of toothpick is 8mm, and the gap of interior cold hole and toothpick is 0.2
To between 0.3mm.
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| CN201910176977.1A CN109719347A (en) | 2019-03-08 | 2019-03-08 | The left-handed high spiral of multiple-cutting-edge pushes away reamer |
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| CN2285179Y (en) * | 1996-09-03 | 1998-07-01 | 厦门工程机械股份有限公司 | Alloy combined reamer |
| JP2007090450A (en) * | 2005-09-27 | 2007-04-12 | Jtekt Corp | Machining tool for crank hole |
| CN103157835A (en) * | 2013-03-28 | 2013-06-19 | 苏州阿诺精密切削技术股份有限公司 | Taper reamer driller used for processing of plate parts |
| CN104551246A (en) * | 2013-10-29 | 2015-04-29 | 常州昊锐工具有限公司 | Helical-edge reamer |
| CN204504394U (en) * | 2015-01-08 | 2015-07-29 | 施永强 | The cutter of band cutting and extruded hole function |
| CN205519929U (en) * | 2016-04-25 | 2016-08-31 | 锑玛（苏州）精密工具股份有限公司 | Special highlight type reamer of through -hole |
| CN205673714U (en) * | 2016-06-02 | 2016-11-09 | 翟友明 | Composite type broaching tap |
| CN106475757A (en) * | 2016-08-27 | 2017-03-08 | 杭州比诺精密工具有限公司 | The preparation method of cold Stepped Reamers cutter in stainless whole hard alloy |
| CN107398599A (en) * | 2017-09-19 | 2017-11-28 | 苏州思麦科精密切削工具有限公司 | A kind of superfinishing reamer |
| CN209867559U (en) * | 2019-03-08 | 2019-12-31 | 昆山欧思克精密工具有限公司 | Multi-blade left-handed high-spiral push reamer |
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