CN109623043A - The processing method of reversed chamfering - Google Patents
The processing method of reversed chamfering Download PDFInfo
- Publication number
- CN109623043A CN109623043A CN201710930847.3A CN201710930847A CN109623043A CN 109623043 A CN109623043 A CN 109623043A CN 201710930847 A CN201710930847 A CN 201710930847A CN 109623043 A CN109623043 A CN 109623043A
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- China
- Prior art keywords
- reversed
- cutter head
- chamfering
- knife handle
- rose reamer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The present invention provides a kind of processing method of reversed chamfering, includes the following steps, the assembly of reversed rose reamer；Knife handle is penetrated from one end to chamfered bore, into the other end inner chamber body to chamfered bore；The cutter head that ontology is frustroconical will be cut, directly entered in inner chamber body from the other end to chamfered bore；Knife handle is fixedly connected with cutter head；The processing of reversed chamfering；Knife handle band dynamic cutter head rotates, and the cutting edge of frustroconical side treats the processing that chamfered bore carries out reversed chamfering.It the advantage is that the model or dismounting mode for needing to select suitable chamfer machining cutter according to the different processing dimension of product, the different confined spaces, to carry out accurate chamfering from below to up, meet product technology and need to reach industry advanced level, thoroughly solves due to unreasonable operation by hand and bring inside parts chamfering is uneven, burr residual, internal scratches etc. different degrees of mass defect.
Description
Technical field
The present invention relates to precision machinery manufacturing technology field, in particular to the crucial manufacture work of a kind of critical mechanical components
In terms of skill.
Background technique
It is some gradually to be carried out by the external components for dominating complexity with the fast development of domestic precision machinery manufacture field
Production domesticization, but since the limitation of equipment, technical method, personnel's experience, process tool etc. factor leads to some key technologies
Main points can not efficiently be broken through.Current more complicated valve cavity part is related to staggered floor processing, internal cavity distribution again
Miscellaneous, burr chamfering requires strictly, and the existing reversed chamfering tool overwhelming majority of inner hole is that knife handle is integrated with cutter head, and price is high
It is expensive, operating process is unsatisfactory, processing quality is unstable.In the case where no more rational solution, the overwhelming majority is intracavitary
Chamfering still take manual 2 scrapers, this also causes inside parts chamfering uneven occur, burr residual, internal scratch etc.
Different degrees of mass defect.A kind of processing method of the highly desirable reversed chamfering for having new low cost carrys out thorough solve or more
Technical difficulty.
Summary of the invention
The processing method that the purpose of the present invention is intended to provide a kind of reversed chamfering is fundamentally solved due to inside parts sky
Between limitation can not effectively carry out to the one-time formed quick chamfering technical difficulty of lower and upper progresss precision, solve above-mentioned technology and ask
Topic, to overcome the existing defects of the above-mentioned prior art.
The present invention provides a kind of processing method of reversed chamfering, includes the following steps, the assembly of reversed rose reamer；By knife handle
It is penetrated from one end to chamfered bore, into the other end inner chamber body to chamfered bore；The knife that ontology is frustroconical will be cut
Head directly enters in inner chamber body from the other end to chamfered bore；Knife handle is fixedly connected with cutter head；The processing of reversed chamfering；Knife
The rotation of grip strip dynamic cutter head, the cutting edge of frustroconical side treat the processing that chamfered bore carries out reversed chamfering.
Further, the present invention provides a kind of processing method of reversed chamfering, can also have the following features: reversed chamfering
For the tool of knife there are three model, the respectively reversed rose reamer of cutter head locking type, the reversed rose reamer of knife handle locking type, bolt fixing type is anti-
To rose reamer.
Further, the present invention provides a kind of processing method of reversed chamfering, can also have the following features: and is reversely falling
Before the installation step of angle knife, also with the selection step of reversed rose reamer；When the intracorporal spatial margin dimensional height of chamber is greater than
15 millimeters, and when the intracorporal spatial margin dimension width of chamber is greater than 15 millimeters, it is carried out using the reversed rose reamer of cutter head locking type anti-
Processing to chamfering；When the intracorporal spatial margin dimensional height of chamber is less than or equal to 8 millimeters or the intracorporal spatial margin size of chamber is wide
When degree is less than or equal to 8 millimeters, the processing of reversed chamfering is carried out using the reversed rose reamer of bolt fixing type；Otherwise, it is locked using knife handle
The reversed rose reamer of compact form carries out the processing of reversed chamfering.
Further, the present invention provides a kind of processing method of reversed chamfering, can also have the following features: reversed chamfering
The cutter head height of knife is less than 1/2 spatial margin dimensional height；Cutter head width is greater than the diameter in subject-oriented hole, and is less than spatial margin
The width of size.
Further, the present invention provides a kind of processing method of reversed chamfering, can also have the following features: cutter head locking
The knife handle bottom of the reversed rose reamer of formula has internal screw thread, has the external screw thread of evagination at the top of cutter head；External screw thread and internal screw thread engagement,
Completion cutter head is fixedly connected with knife handle.
Further, the present invention provides a kind of processing method of reversed chamfering, can also have the following features: knife handle locking
The knife handle bottom of the reversed rose reamer of formula has external screw thread, has built-in internal screw thread at the top of cutter head；External screw thread and internal screw thread engagement, it is complete
At being fixedly connected for cutter head and knife handle.
Further, the present invention provides a kind of processing method of reversed chamfering, can also have the following features: bolt and fixes
The bit tip of the reversed rose reamer of formula has positioning convex platform；Positioning convex platform has at least one cutter head hole；Cutter head hole extends transversely through
Positioning convex platform；The bottom of the knife handle of the reversed rose reamer of bolt fixing type has locating slot；Locating slot, which has, to match with cutter head hole
Knife handle hole；Knife handle hole extends transversely through locating slot；The positioning convex platform is inserted into the locating slot, and positioning pin is inserted through knife handle hole
With cutter head hole, completion cutter head is fixedly connected with knife handle.
Further, the present invention provides a kind of processing method of reversed chamfering, can also have the following features: reversed chamfering
The rotation speed of knife is calculated according to scheduled surface roughness and is obtained, and specific formula for calculation is as follows, H (u)=1000* (f^2/8*
R)；
Wherein, the every swivel feeding amount (mm/rev.) of f=；H (u) is surface roughness；R is edge radius.
Advantageous effect of the invention
The present invention provides a kind of processing method of reversed chamfering, according to the different processing dimension of product, different limited skies
Between need to select the model of suitable chamfer machining cutter or dismounting mode to meet and produce to carry out accurate chamfering from below to up
Product technology needs to reach industry advanced level.
The present invention provides a kind of processing method of reversed chamfering, and the processing of the reversed rose reamer of existing integral type is overcome to limit to
Property, it technically gives and makes up, substantially reduce cutter manufacture and purchase cost, while also improving processing efficiency, be entirely capable of replacing people
The operation of work 2 times common scrapers, thoroughly solves due to unreasonable operation by hand and bring inside parts chamfering is uneven, burr
The different degrees of mass defect of residual, internal scuffing etc.；It further solves to produce high purchase cost waste, quality level is low
Under, the phenomenon that product rejection rate is high, and process velocity is slow, low efficiency.
The present invention provides a kind of processing method of reversed chamfering, and the bore periphery chamfering of inner cavity of component is uniform, and impulse- free robustness is residual
It stays, interpenetrates, will not be blocked or take out of during gas or liquid motion to remain influences more high precision components in turn.
For manually chamfering finish about in Ra6.4, the chamfering surface roughness that detachable rose reamer processes can achieve
Ra0.6 sealed horizontal；Detachable reversed chamfering, can for the workpiece in 10 holes in inner cavity to production efficiency is greatly improved
It is completed in 10min~15min, and artificial scraper needs 30min~40min；Save manufacture and purchase cost, general integral type
Reversed rose reamer cost is in 200CNY or so, but the cost about 70CNY of detachable rose reamer, save the cost 70% or so；Cutter
Apparatus structure is simple, and easily fabricated, assembly and adjustment, production cost are low；It is easy to operate.Simply it can fix and dismantle, product one
Secondary qualification rate 100%；Bit replacing is quick, shank portion may be reused, and reduces whole loss from spoilage.
Detailed description of the invention
Fig. 1 is the structure chart of the reversed rose reamer of knife handle locking type.
Fig. 2 is the structure chart of the reversed rose reamer of cutter head locking type.
Fig. 3 is the structure chart of the reversed rose reamer of bolt fixing type.
Fig. 4 is the flow chart of the processing method of reversed chamfering.
Fig. 5 is the cavity body structure figure of workpiece in embodiment.
Fig. 6 is the assembly process figure of reversed rose reamer.
Specific embodiment
The present invention will be further described in the following with reference to the drawings and specific embodiments.
A kind of processing method of reversed chamfering provided by the invention is respectively as follows: knife handle locking using three kinds of reversed rose reamers
The reversed rose reamer of formula, the reversed rose reamer of cutter head locking type and the reversed rose reamer of bolt fixing type.With regard to the advanced structure row of three kinds of knives
It illustrates.
Fig. 1 is the structure chart of the reversed rose reamer of knife handle locking type.
As shown in Figure 1, the reversed rose reamer of knife handle locking type, comprising: knife handle 110 and cutter head 120.Knife handle 110 includes: shank
111 and external screw thread 112.External screw thread 112 is in the bottom of shank 111, and the outer diameter of external screw thread 112 is less than the outer diameter of shank 111.Knife
First 120 are made of cutting ontology 121 and dismounting boss 123, and the height of the two is added the height h for being equal to cutter head 120.Cutting is originally
Body 121 is frustroconical.The top diameter of a circle of frustroconical is identical as the diameter of shank 111.The upper end of frustroconical
With internal screw thread 122, match with the external screw thread 112 of knife handle 110.The side of frustroconical has cutting edge.Dismount boss 123
For regular polygon, preferably equilateral triangle, positive square, pentagon and equilateral hexagon, four kinds of shapes.Dismount boss 123
Generally it is not less than 2mm, facilitates the quick firm of cutter head fixing tool tool and locks, improves the disassembly efficiency of cutter head.
The internal screw thread 122 of cutter head 120 is engaged with the external screw thread 112 of knife handle 110, realizes the company of knife handle 110 and cutter head 120
It connects.It is especially noted that the screw thread tightening direction and cutting stress direction of knife handle 110 and cutter head 120 are in the same direction.Work as cutter head
120 when carrying out chamfer machining, and cutter head 120 will receive the effect of power, can drive cutter head 120 rotate, as long as this power with tighten
Direction is consistent.So cutter head 120 and knife handle 110 use positive/negative thread, it is only necessary to when adjusting chamfering, the rotation of main shaft
Turn direction.
Fig. 2 is the structure chart of the reversed rose reamer of cutter head locking type.
As shown in Fig. 2, the reversed rose reamer of cutter head locking type includes: knife handle 210 and cutter head 220.Knife handle 110 includes: shank
211 and internal screw thread 212.Internal screw thread 212 is in the bottom of shank 211.Cutter head 220 is by cutting ontology 221,222 and of screw boss
It dismounts boss 224 to constitute, the height of three is added the height h for being equal to cutter head 220, and the cutter head height of the structure is obviously greater than
The height h of the reversed rose reamer of knife handle locking type.Cutting ontology 221 is frustroconical.The top diameter of a circle of frustroconical with
The diameter of shank 211 is identical.Screw boss 222 has external screw thread 222, matches with the internal screw thread 212 of knife handle 210.Truncated cones
The side of shape has cutting edge.
Fig. 3 is the structure chart of the reversed rose reamer of bolt fixing type.
As shown in figure 3, the processing method of the reversed chamfering of bolt fixing type includes: to include: knife handle 310, cutter head 320 and two
Positioning pin 330.
The bottom of the shank 311 of knife handle 310 has locating slot 312.Locating slot 312 has two lateral knife handle holes 313.
Cutter head 320 is made of cutting ontology 321 and positioning convex platform 322, and the height addition of the two constitutes the height h of cutter head 320.It needs
What is illustrated is that positioning pin 330 can also only be equipped with one, understands detailed structure in the accompanying drawings in order to show, is exaggerated positioning convex platform
322 height.The cutter head height h of the structure is less than the knife of the reversed rose reamer of knife handle locking type, the reversed rose reamer of cutter head locking type
Grease head highness h.
Cutting ontology 121 is frustroconical.There are two cutter head holes 323 for tool on positioning convex platform 322.The side of frustroconical
Face has cutting edge.Locating slot 312 and positioning convex platform 322 match, and knife handle hole 313, cutter head hole 325 and positioning pin 330 match.Knife
Delthyrium 313, cutter head hole 325 unilateral wall thickness be typically no less than 1mm, reduce the change that may cause of heat treatment process to the full extent
Shape amount, shaking of the more stable cutter head in the course of work more promote processing quality.
Positioning convex platform 322 is inserted into locating slot 312, and positioning pin 330 is inserted through knife handle hole 313 and cutter head hole 325, is realized
Cutter head 320 is fixedly connected with knife handle 310.
Fig. 4 is the flow chart of the processing method of reversed chamfering.
Fig. 5 is the cavity body structure figure of workpiece in embodiment.
As shown in Figure 4 and Figure 5, in the present embodiment, to 5 various sizes of unthreaded holes of preparatory processing the latter body cavity
Edge carries out accurate 45 ° of chamferings, it is desirable that Glabrous thorn residual at chamfering.
The processing method of reversed chamfering the following steps are included:
Step 1: Work inspection device.Check the required precision of workpiece relative dimensions, appearance requirement simultaneously records.
Step 2: workpiece lumen spatial margin determines.
Before the unthreaded hole inner chamfer of processing different product inner cavity, the spatial margin size that need to be fully understood in product cavity is high
H, width W, through-hole diameter D size are spent, chamfer dimesion requires and the requirement of finish roughness parameter, and then selects fitter type
Number tip size and rotary speed parameter setting.
As shown in figure 5, in the present embodiment, to chamfered bore D1=10mm, D2=9mm, D3=8mm, D4=8mm, D5=
6mm.1,2,4 spatial margin height H=40mm of hole, width W=50mm；3 spatial margin height H=12mm of hole, width W=
40mm；5 spatial margin height H=8mm of hole, width W=8mm.All Hole chamfering angle=45 °；Decomposition data, set device add
Engineering order parameter, and record data.
Step 3: the selection of reversed rose reamer.
Firstly, the shank diameter d of reversed rose reamer < diameter D to chamfered bore.The diameter of the width w of cutter head > to chamfered bore
D, and < spatial margin width W.
Secondly, work as chamber intracorporal spatial margin dimensional height H > 15 millimeter, and the intracorporal spatial margin dimension width W of chamber >
At 15 millimeters, the processing of reversed chamfering is carried out using the reversed rose reamer of cutter head locking type.
When chamber intracorporal spatial margin dimensional height H≤8 millimeter or the intracorporal milli of spatial margin dimension width W≤8 of chamber
Meter Shi carries out the processing of reversed chamfering using the reversed rose reamer of bolt fixing type.
The processing for being all made of the reversed rose reamer of knife handle locking type and carrying out reversed chamfering to fall between.I.e. chamber is intracorporal
Spatial margin dimensional height H > 8 millimeter, and the case where chamber intracorporal 15 >=W > 8 millimeter of spatial margin dimension width and cavity
Interior spatial margin dimensional height 15 >=H > 8 millimeter, and the case where chamber intracorporal spatial margin dimension width W > 8 millimeter, it uses
The reversed rose reamer of knife handle locking type carries out the processing of reversed chamfering.
In the present embodiment, cutter head w>10mm, the h<20mm of hole D1 are processed, spatial margin is big to be selected to use cutter head locking type anti-
The processing of reversed chamfering is carried out to rose reamer.Process the cutter head w>9mm, h<25mm of hole D2；The big selection of spatial margin uses cutter head
The reversed rose reamer of locking type carries out the processing of reversed chamfering.Process the cutter head w>8mm, h<10mm of hole D3；Spatial margin is little
(8mm-15mm) selects the reversed rose reamer of knife handle locking type.Process the cutter head w>8mm, h<25mm of hole D4；Spatial margin is little, can
Select the reversed rose reamer of knife handle locking type.Processing hole D5 is since spatial margin is too small (=8mm), cutter head w < 6mm；Select bolt solid
The reversed rose reamer of fixed pattern.
Step 4: the assembly of reversed rose reamer.
Fig. 6 is the assembly process figure of reversed rose reamer.
As shown in fig. 6, knife handle 110 passes through using the fixed cutter head 120 of cutter head dismantling device seat to intracavity space via bottoms
Through-hole drops at cutter head.The cutter head and knife handle of threaded connection screw completion docking, fixed cutting tool by the low speed of knife handle.It is fixed
Position pin connection cutter head and knife handle are pushed into cutter head pin in handle pin hole by manual inserting mode, and bolt is fixed, operates pole
It is simple.Process needs to control the mobile progress surplus that formed of knife handle and makes up the difference, and is sufficiently gradually completing to unthreaded hole edge chamfer.
Step 5: reversed chamfering is processed.
Knife handle band dynamic cutter head rotates, and the cutting edge of frustroconical side treats the processing that chamfered bore carries out reversed chamfering.
Chamfering roughness requirements are higher, and the revolving speed setting of rose reamer is very fast.Roughness requirements are lower, rose reamer revolving speed
It sets slower.The speed of rose reamer revolving speed can be calculated according to formula, H (u)=1000* (f^2/8*R) and be obtained, so that setting turns
Fast range.The every swivel feeding amount (mm/rev.) of f=, R=cutter blade radius (mm), surface roughness H (u).
It should be noted that the reversed rose reamer of cutter head locking type and the reversed rose reamer of knife handle locking type, it is automatic rotate knife handle into
Chamfer machining can be directly carried out after row docking, efficient one piece is completed.
Knife handle is reversely exited after declining cutter to dismantling device seat after the completion or removes positioning pin, is completed the process.
Step 6: taking endoscope to confirm chamfer quality after processing is completed, compares template part, records data.
Step 7: high pressure air rifle clears up inner cavity residual impurity.
Step 8: appearance, packaging are visually inspected.
Claims (8)
1. a kind of processing method of reversed chamfering, it is characterised in that: include the following steps,
The assembly of reversed rose reamer；Knife handle is penetrated from one end to chamfered bore, into the other end inner chamber body to chamfered bore；
The cutter head that ontology is frustroconical will be cut, directly entered in inner chamber body from the other end to chamfered bore；By knife handle and cutter head
It is fixedly connected；
The processing of reversed chamfering；Knife handle band dynamic cutter head rotates, and the cutting edge of frustroconical side is treated chamfered bore and carried out reversely
The processing of chamfering.
2. the processing method of reversed chamfering as described in claim 1, it is characterised in that: there are three types for the tool of reversed rose reamer
Number, the respectively reversed rose reamer of cutter head locking type, the reversed rose reamer of knife handle locking type, the reversed rose reamer of bolt fixing type.
3. the processing method of reversed chamfering as claimed in claim 2, it is characterised in that:
Before the installation step of reversed rose reamer, also with the selection step of reversed rose reamer；
When the intracorporal spatial margin dimensional height of chamber be greater than 15 millimeters, and the intracorporal spatial margin dimension width of chamber be greater than 15 millimeters
When, the processing of reversed chamfering is carried out using the reversed rose reamer of cutter head locking type；
It is less than etc. when the intracorporal spatial margin dimensional height of chamber is less than or equal to 8 millimeters or the intracorporal spatial margin dimension width of chamber
When 8 millimeters, the processing of reversed chamfering is carried out using the reversed rose reamer of bolt fixing type；
Otherwise, the processing of reversed chamfering is carried out using the reversed rose reamer of knife handle locking type.
4. the processing method of reversed chamfering as claimed in claim 2, it is characterised in that:
The cutter head height of reversed rose reamer is less than 1/2 spatial margin dimensional height；Cutter head width is greater than the diameter in subject-oriented hole, and
Less than the width of spatial margin size.
5. the processing method of reversed chamfering as claimed in claim 2, it is characterised in that:
The knife handle bottom of the reversed rose reamer of cutter head locking type has internal screw thread, has the external screw thread of evagination at the top of cutter head；External screw thread
It is engaged with internal screw thread, completion cutter head is fixedly connected with knife handle.
6. the processing method of reversed chamfering as claimed in claim 2, it is characterised in that:
The knife handle bottom of the reversed rose reamer of knife handle locking type has external screw thread, has built-in internal screw thread at the top of cutter head；External screw thread and
Internal screw thread engagement, completion cutter head are fixedly connected with knife handle.
7. the processing method of reversed chamfering as described in claim 1, it is characterised in that:
The bit tip of the reversed rose reamer of bolt fixing type has positioning convex platform；Positioning convex platform has at least one cutter head hole；Knife
Head bore extends transversely through positioning convex platform；
The bottom of the knife handle of the reversed rose reamer of bolt fixing type has locating slot；Locating slot has the knife handle to match with cutter head hole
Hole；Knife handle hole extends transversely through locating slot；
The positioning convex platform is inserted into the locating slot, and positioning pin is inserted through knife handle hole and cutter head hole, completes cutter head and knife handle
Be fixedly connected.
8. the processing method of reversed chamfering as claimed in claim 2, it is characterised in that:
The rotation speed of reversed rose reamer is calculated according to scheduled surface roughness to be obtained, and specific formula for calculation is as follows, and H (u)=
1000*(f^2/8*R)；
Wherein, the every swivel feeding amount (mm/rev.) of f=；H (u) is surface roughness；R is edge radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710930847.3A CN109623043A (en) | 2017-10-09 | 2017-10-09 | The processing method of reversed chamfering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710930847.3A CN109623043A (en) | 2017-10-09 | 2017-10-09 | The processing method of reversed chamfering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109623043A true CN109623043A (en) | 2019-04-16 |
Family
ID=66050829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710930847.3A Pending CN109623043A (en) | 2017-10-09 | 2017-10-09 | The processing method of reversed chamfering |
Country Status (1)
| Country | Link |
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| CN (1) | CN109623043A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433953A (en) * | 2022-03-14 | 2022-05-06 | 贵阳博亚机械制造有限公司 | Combined tool for chamfering inner groove hole of extra-narrow cavity and processing method |
| CN114559077A (en) * | 2022-03-14 | 2022-05-31 | 贵阳博亚机械制造有限公司 | Tool for facing machining of narrow-cavity inner groove hole and machining method |
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| CN201493491U (en) * | 2009-09-07 | 2010-06-02 | 瑞鹄汽车模具有限公司 | Automobile die strip groove chamfering cutter |
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| CN202591742U (en) * | 2012-04-26 | 2012-12-12 | 成都大宏立机器制造有限公司 | Reverse chamfer cutter |
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| CN204122856U (en) * | 2014-08-26 | 2015-01-28 | 马鞍山市粤美金属制品科技实业有限公司 | The each Hole chamfering Combined type chamfering cutter of a kind of processing |
| CN204724874U (en) * | 2015-05-14 | 2015-10-28 | 西安驰达飞机零部件制造股份有限公司 | A kind of dismountable rose reamer |
| CN206527371U (en) * | 2017-03-08 | 2017-09-29 | 广东明珠流体机械有限公司 | A kind of valve manufacture special counterboring instrument |
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|---|---|---|---|---|
| DE19917101A1 (en) * | 1999-04-15 | 2000-10-26 | Uniflex Hydraulik Gmbh | Tool for paring inside of tubes; has knife head with transverse rotating adjusting spindle having threaded sections and two paring knives with threading sections engaging adjusting spindle |
| CN201493491U (en) * | 2009-09-07 | 2010-06-02 | 瑞鹄汽车模具有限公司 | Automobile die strip groove chamfering cutter |
| CN201862798U (en) * | 2010-08-26 | 2011-06-15 | 安徽广博机电制造有限公司 | Rotor bore chamfering cutter |
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| CN204122856U (en) * | 2014-08-26 | 2015-01-28 | 马鞍山市粤美金属制品科技实业有限公司 | The each Hole chamfering Combined type chamfering cutter of a kind of processing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114433953A (en) * | 2022-03-14 | 2022-05-06 | 贵阳博亚机械制造有限公司 | Combined tool for chamfering inner groove hole of extra-narrow cavity and processing method |
| CN114559077A (en) * | 2022-03-14 | 2022-05-31 | 贵阳博亚机械制造有限公司 | Tool for facing machining of narrow-cavity inner groove hole and machining method |
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Application publication date: 20190416 |
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| RJ01 | Rejection of invention patent application after publication |