CN107414217A - A kind of welded type lengthens screw tap and its processing method - Google Patents
A kind of welded type lengthens screw tap and its processing method Download PDFInfo
- Publication number
- CN107414217A CN107414217A CN201710702453.2A CN201710702453A CN107414217A CN 107414217 A CN107414217 A CN 107414217A CN 201710702453 A CN201710702453 A CN 201710702453A CN 107414217 A CN107414217 A CN 107414217A
- Authority
- CN
- China
- Prior art keywords
- screw tap
- main body
- extension bar
- welded type
- tap main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
- B23G5/06—Taps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
- B23P15/48—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools threading tools
- B23P15/52—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools threading tools taps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
A kind of welded type lengthens screw tap and its processing method, and it is related to a kind of screw tap and its processing method, and in particular to a kind of welded type lengthens screw tap and its processing method.When the present invention is in order to solve existing process scheme processing final blage locking screw holes, the problem of screw tap service life is short, screw crudy difference.The present invention includes screw tap main body and extension bar, and the rear end of screw tap main body and the front end of extension bar connect.The invention belongs to field of machining.
Description
Technical field
The present invention relates to a kind of screw tap and its processing method, and in particular to a kind of welded type lengthens screw tap and its processing side
Method, belong to field of machining.
Background technology
After turbine blade is assembled to rotor blade root groove, final blage is locked using plug screw, and the screwed hole half is in rotor
Upper half is not only cut discontinuously on blade during tapping, and rotor is two kinds of different materials from blade, and cutting ability is not
Together, there is great requirement to screw tap, the screw tap original attacks pattern with for overall high speed steel material screw tap, two, and cutter life is short,
In order to improve the machining status, it have developed welded type and lengthen screw tap and its processing method.
The content of the invention
When the present invention processes final blage locking screw holes to solve existing process scheme, screw tap service life is short, screw processing
Ropy problem, and then propose that a kind of welded type lengthens screw tap and its processing method.
The present invention adopts the technical scheme that to solve the above problems：Screw tap of the present invention includes screw tap main body and spreading
Bar, the rear end of screw tap main body and the front end of extension bar connect.
Processing method of the present invention comprises the following steps that：
Step 1: thread cone main body and extension bar；
Step 2: the groove of milling screw tap main body, cutting parameter are：Milling cutter rotating speed is 200r/min, amount of feeding 0.15mm/
R, cutting depth 3mm；
Step 3: the square tail of milling extension bar, cutting parameter are：Rotating speed is 200r/min, amount of feeding 0.25mm/r, is cut
Depth is 2mm；
Step 4: screw tap main body is heat-treated to HRC63~66；
Step 5: extension bar is heat-treated to HRC43~48；
It is Step 6: screw tap main body and extension bar soldering is integral；Screw tap main body and extension bar are welded on high frequency furnace apparatus
Connect one；During welding, solder flux is put at solder bond face, 720~750 DEG C of welding temperature, treats that solder melts full of weldering completely
After connecing faying face, stove tempering destressing is put back to, 400 DEG C of temperature, 2 hours is incubated, is then air-cooled to normal temperature, complete welding
Process；
Step 7: grind screw tap main center hole；
Step 8: grinding screw tap main body anterior angle is accurate；
Step 9: it is cylindrical in cylindrical grinding machine extension bar, it is ground screw tap body outer diameter；
Step 10: in the spade milling machine tool grinding screw tap main body left end cutting conical surface and its relief angle；
Step 11: in the 60 ° of tooth forms and pitch diameter of thread size of threader grinding screw tap main body, wherein in a cone directly
Footpath is 10.45mm, a diameter of 10.783mm in plug tap, a diameter of 10.943mm in third hand tap；
Step 12: pincers worker prints figure number, welded type lengthens screw tap completion of processing.
The beneficial effects of the invention are as follows：The screw tap pattern of the present invention is attacked by original two and is improved to three and attacks pattern, rational distribution
Allowance, substantially prolongs screw tap service life, service life is enhanced about more than once, and the screw tap uses welding structure type
Formula, screw tap and extension bar are welded using soldering pattern, reduce screw tap manufacturing cost.Meanwhile it have developed the welded type and add
The processing method of long screw tap, the screw tap accuracy of manufacture is effectively ensured.
Brief description of the drawings
Fig. 1 is the front view of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 be in Fig. 1 A-A to sectional view.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1 to Fig. 3, a kind of welded type described in present embodiment adds
Long screw tap includes screw tap main body 1 and extension bar 2, and the rear end of screw tap main body 1 is connected with the front end of extension bar 2.
Embodiment two：Illustrate present embodiment with reference to Fig. 1 to Fig. 3, a kind of welded type described in present embodiment adds
The front end of the screw tap main body 1 of long screw tap is along the circumferential direction provided with a cone 1-1, plug tap 1-2 and third hand tap 1-3.Other compositions and connection
Relation is identical with embodiment one.
Embodiment three：Illustrate present embodiment with reference to Fig. 1 to Fig. 3, a kind of welded type described in present embodiment adds
The front end face of the extension bar 2 of long screw tap is provided with mounting hole 2-1, and the rear end of screw tap main body 1 is inserted into mounting hole 2-1.Other groups
Into and annexation it is identical with embodiment one.
Embodiment four：Illustrate present embodiment with reference to Fig. 1 to Fig. 3, a kind of welded type described in present embodiment adds
The rear end of the extension bar 2 of long screw tap is provided with square tail 2-2, and square tail 2-2 cross section is square.It is other composition and annexation with
Embodiment one is identical.
Embodiment five：Illustrate present embodiment with reference to Fig. 1 to Fig. 3, a kind of welded type described in present embodiment adds
Long screw tap processing method comprises the following steps that：
Step 1: thread cone main body 1 and extension bar 2；
Step 2: the groove of milling screw tap main body 1, cutting parameter are：Milling cutter rotating speed is 200r/min, and the amount of feeding is
0.15mm/r, cutting depth 3mm；
Step 3: 12.5 × 12.5mm square tail 2-3 of milling extension bar 2, cutting parameter are：Rotating speed is 200r/min, feeding
Measure as 0.25mm/r, cutting depth 2mm；
Step 4: screw tap main body 1 is heat-treated to HRC63~66；
Step 5: extension bar 2 is heat-treated to HRC43~48；
It is Step 6: screw tap main body 1 and the soldering of extension bar 2 is integral；By screw tap main body 1 and extension bar 2 in high frequency furnace apparatus
It is upper welded；During welding, solder flux is put at solder bond face, 720~750 DEG C of welding temperature, treats that solder melts completely and fill
Behind full solder bond face, stove tempering destressing is put back to, 400 DEG C of temperature, 2 hours is incubated, is then air-cooled to normal temperature, complete
Welding sequence；
Step 7: center lapping；
Step 8: the anterior angle of grinding screw tap main body 1 is accurate；
Step 9:, grinding screw tap main body 1 external diameter cylindrical in cylindrical grinding machine extension bar 2；
Step 10: in the left end cutting conical surface of spade milling machine tool grinding screw tap main body 1 and its relief angle；
Step 11: the 60 ° of tooth forms and pitch diameter of thread size of screw tap main body 1 are ground in threader, wherein a cone 1-1
In a diameter of 10.45mm, a diameter of 10.943mm in a diameter of 10.783mm in plug tap 1-2, third hand tap 1-3；
Step 12: pincers worker prints figure number, welded type lengthens screw tap completion of processing.
Alignment≤0.2mm after being welded in present embodiment in step 6；Solder flux is by 105 copper sheets, sodium tetraborate powder constituent.
Embodiment six：Illustrate present embodiment with reference to Fig. 1 to Fig. 3, a kind of welded type described in present embodiment adds
Long screw tap processing method, it is characterised in that：The both ends centering of step 1 plug tap main body 1, the overall diameter of screw tap main body 1 are high-volume
0.5-0.6mm, the middle diameter of screw tap main body 1 is high-volume 0.6-0.7mm.
The present embodiment plug tap bar Φ cylindrical high-volume 0.6-0.7mm of 16mm, right-hand member centering, Φ 9mm endoporus press silk
Bore Φ 9mm cylindrical handles gap 0.05-0.08mm；Cutting parameter is：Rotating speed 500r/min, amount of feeding 0.25mm/r, cutting depth
1.5mm。
Embodiment seven：Illustrate present embodiment with reference to Fig. 1 to Fig. 3, a kind of welded type described in present embodiment adds
Screw tap main body 1 is heat-treated to the method for HRC63~6 in the step of long screw tap processing method four is：First preheat 550 DEG C two small
When, then put 850 DEG C of moderate oven and heat 16 minutes, then put 1240 DEG C of high temperature furnace and heat 8 minutes, then put 600 DEG C of insulations of constant-temperature oven
16 minutes, it is finally putting into 550 DEG C of tempering furnace and is tempered 2 times, every time 2 hours.
Embodiment eight：Illustrate present embodiment with reference to Fig. 1 to Fig. 3, a kind of welded type described in present embodiment adds
Extension bar 2 is heat-treated to the method for HRC43~48 in the step of long screw tap processing method five is：First in moderate oven 820-840
DEG C heating 30 minutes, be then placed in tank and be cooled to 300-400 DEG C, the time is about 20~30 minutes, is placed into cold in oil groove
But to normal temperature, it is finally putting into 340 DEG C of tempering furnace and is tempered 2 hours.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as be without departing from technical solution of the present invention content, according to the technical spirit of the present invention,
Within the spirit and principles in the present invention, any simple modification, equivalent substitution and improvement for being made to above example etc., still
Belong within the protection domain of technical solution of the present invention.
Claims (8)
1. a kind of welded type lengthens screw tap, it is characterised in that：A kind of welded type, which lengthens screw tap, to be included screw tap main body (1) and connects
Stock (2), the rear end of screw tap main body (1) are connected with the front end of extension bar (2).
2. a kind of welded type lengthens screw tap according to claim 1, it is characterised in that：The front end of screw tap main body (1) is circumferentially
Direction is provided with a cone (1-1), plug tap (1-2) and third hand tap (1-3).
3. a kind of welded type lengthens screw tap according to claim 1, it is characterised in that：The front end face of extension bar (2) is provided with peace
Fill hole (2-1), the rear end of screw tap main body (1) is inserted into mounting hole (2-1).
4. a kind of welded type lengthens screw tap according to claim 1, it is characterised in that：The rear end of extension bar (2) is provided with square tail
(2-2), the cross section of square tail (2-2) is square.
A kind of 5. processing method of screw tap described in claim 1, it is characterised in that：A kind of welded type lengthens screw tap processing side
Method comprises the following steps that：
Step 1: thread cone main body (1) and extension bar (2)；
Step 2: the groove of milling screw tap main body (1), cutting parameter are：Milling cutter rotating speed is 200r/min, amount of feeding 0.15mm/
R, cutting depth 3mm；
Step 3: 12.5 × 12.5mm square tails (2-3) of milling extension bar (2), cutting parameter are：Rotating speed is 200r/min, feeding
Measure as 0.25mm/r, cutting depth 2mm；
Step 4: screw tap main body (1) is heat-treated to HRC63~66；
Step 5: extension bar (2) is heat-treated to HRC43~48；
It is Step 6: screw tap main body (1) and extension bar (2) soldering is integral；By screw tap main body (1) and extension bar (2) in coreless induction furnace
It is welded in equipment；During welding, solder flux is put at solder bond face, 720~750 DEG C of welding temperature, treats that solder melts completely
Change after being full of solder bond face, put back to stove tempering destressing, 400 DEG C of temperature, be incubated 2 hours, be then air-cooled to normal temperature,
Complete welding sequence；
Step 7: center lapping；
Step 8: grinding screw tap main body (1) anterior angle is accurate；
Step 9: it is cylindrical in cylindrical grinding machine extension bar (2), it is ground screw tap main body (1) external diameter；
Step 10: in spade milling machine tool grinding screw tap main body (1) left end cutting conical surface and its relief angle；
Step 11: in the 60 ° of tooth forms and pitch diameter of thread size of threader grinding screw tap main body (1), wherein one bores (1-1)
In a diameter of 10.45mm, a diameter of 10.783mm in plug tap (1-2), a diameter of 10.943mm in third hand tap (1-3)；
Step 12: pincers worker prints figure number, welded type lengthens screw tap completion of processing.
6. a kind of welded type lengthens screw tap processing method according to claim 5, it is characterised in that：Step 1 plug tap main body
(1) both ends centering, screw tap main body (1) overall diameter are high-volume 0.5-0.6mm, and the middle diameter of screw tap main body (1) is high-volume
0.6-0.7mm。
7. a kind of welded type lengthens screw tap processing method according to claim 5, it is characterised in that：By screw tap master in step 4
The method that body (1) is heat-treated to HRC63~6 is：First preheat 550 DEG C two hours, then put 850 DEG C of moderate oven and heat 16 minutes,
1240 DEG C of high temperature furnace is put again to heat 8 minutes, then puts 600 DEG C of constant-temperature oven and is incubated 16 minutes, is finally putting into 550 DEG C of tempering 2 of tempering furnace
It is secondary, 2 hours every time.
8. a kind of welded type lengthens screw tap processing method according to claim 5, it is characterised in that：By extension bar in step 5
(2) being heat-treated to the method for HRC43~48 is：First in the heating 30 minutes of 820-840 DEG C of moderate oven, it is then placed in tank and cools down
To 300-400 DEG C, the time is about 20~30 minutes, places into and normal temperature is cooled in oil groove, is finally putting into 340 DEG C of tempering of tempering furnace
2 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702453.2A CN107414217A (en) | 2017-08-16 | 2017-08-16 | A kind of welded type lengthens screw tap and its processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702453.2A CN107414217A (en) | 2017-08-16 | 2017-08-16 | A kind of welded type lengthens screw tap and its processing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107414217A true CN107414217A (en) | 2017-12-01 |
Family
ID=60438260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710702453.2A Pending CN107414217A (en) | 2017-08-16 | 2017-08-16 | A kind of welded type lengthens screw tap and its processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107414217A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127359A (en) * | 2017-11-28 | 2018-06-08 | 哈尔滨汽轮机厂有限责任公司 | A kind of spiral fluted tap processing method |
| CN108581400A (en) * | 2018-04-19 | 2018-09-28 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of major diameter counterbit |
| CN108620965A (en) * | 2018-04-09 | 2018-10-09 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing rectification pillar special screw tap reconditioning reuse method |
| CN108714774A (en) * | 2018-06-26 | 2018-10-30 | 四川川昊精工机械有限公司 | A kind of wear-resisting type machine tap production and processing technology |
| CN109014773A (en) * | 2018-06-22 | 2018-12-18 | 哈尔滨汽轮机厂有限责任公司 | A kind of packing measuring tool processing method |
| CN110625144A (en) * | 2019-10-21 | 2019-12-31 | 宁波红日工具有限公司 | Cutter and welding process thereof |
| CN111112967A (en) * | 2019-12-24 | 2020-05-08 | 东台市宏凯不锈钢有限公司 | Machining process for wear-resistant die steel tap |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006205277A (en) * | 2005-01-26 | 2006-08-10 | Nachi Fujikoshi Corp | Boring tool |
| US20110201434A1 (en) * | 2008-10-22 | 2011-08-18 | Komet Group Gmbh | Thread Former Having Molding |
| CN202278273U (en) * | 2011-09-14 | 2012-06-20 | 中国航空工业第六一八研究所 | Screw tap for processing tough material threaded blind hole |
| CN202922051U (en) * | 2012-11-05 | 2013-05-08 | 中高柴油机重工有限公司 | Tapping extension rod |
| CN104708296A (en) * | 2015-03-02 | 2015-06-17 | 哈尔滨汽轮机厂有限责任公司 | Locking slot milling cutter machining method |
| CN105058002A (en) * | 2015-08-05 | 2015-11-18 | 哈尔滨汽轮机厂有限责任公司 | Machining method of welded type lengthened drill bit |
| CN107020486A (en) * | 2017-05-11 | 2017-08-08 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of welded type lengthened reamer |
| CN206392992U (en) * | 2017-01-04 | 2017-08-11 | 苏州美瑞时科技有限公司 | A kind of supporting screw tap extension bar |
-
2017
- 2017-08-16 CN CN201710702453.2A patent/CN107414217A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006205277A (en) * | 2005-01-26 | 2006-08-10 | Nachi Fujikoshi Corp | Boring tool |
| US20110201434A1 (en) * | 2008-10-22 | 2011-08-18 | Komet Group Gmbh | Thread Former Having Molding |
| CN202278273U (en) * | 2011-09-14 | 2012-06-20 | 中国航空工业第六一八研究所 | Screw tap for processing tough material threaded blind hole |
| CN202922051U (en) * | 2012-11-05 | 2013-05-08 | 中高柴油机重工有限公司 | Tapping extension rod |
| CN104708296A (en) * | 2015-03-02 | 2015-06-17 | 哈尔滨汽轮机厂有限责任公司 | Locking slot milling cutter machining method |
| CN105058002A (en) * | 2015-08-05 | 2015-11-18 | 哈尔滨汽轮机厂有限责任公司 | Machining method of welded type lengthened drill bit |
| CN206392992U (en) * | 2017-01-04 | 2017-08-11 | 苏州美瑞时科技有限公司 | A kind of supporting screw tap extension bar |
| CN107020486A (en) * | 2017-05-11 | 2017-08-08 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of welded type lengthened reamer |
Non-Patent Citations (1)
| Title |
|---|
| 杨叔子: "《机械加工工艺师手册》", 31 August 2001 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108127359A (en) * | 2017-11-28 | 2018-06-08 | 哈尔滨汽轮机厂有限责任公司 | A kind of spiral fluted tap processing method |
| CN108620965A (en) * | 2018-04-09 | 2018-10-09 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing rectification pillar special screw tap reconditioning reuse method |
| CN108581400A (en) * | 2018-04-19 | 2018-09-28 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of major diameter counterbit |
| CN109014773A (en) * | 2018-06-22 | 2018-12-18 | 哈尔滨汽轮机厂有限责任公司 | A kind of packing measuring tool processing method |
| CN108714774A (en) * | 2018-06-26 | 2018-10-30 | 四川川昊精工机械有限公司 | A kind of wear-resisting type machine tap production and processing technology |
| CN110625144A (en) * | 2019-10-21 | 2019-12-31 | 宁波红日工具有限公司 | Cutter and welding process thereof |
| CN111112967A (en) * | 2019-12-24 | 2020-05-08 | 东台市宏凯不锈钢有限公司 | Machining process for wear-resistant die steel tap |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107414217A (en) | A kind of welded type lengthens screw tap and its processing method | |
| EP0995876B1 (en) | Methods of manufacturing rotary drill bits | |
| CN103008993B (en) | Manufacturing method of shield machine scraper | |
| CN104907721B (en) | Efficient flux coated brazingrod with strong adhesive force | |
| CN103692177B (en) | A kind of extension drill processing method | |
| CN102848160B (en) | Wave blade-shaped end mill processing method | |
| CN103276183B (en) | Rapid steel thin slice face and side cutter thermal treatment process | |
| CN102814532A (en) | Method of V-shaped welding of solid carbide drill and solid carbide drill thereof | |
| WO2015171721A1 (en) | Coupling mechanism for cutting tool | |
| CN108687353B (en) | A kind of diamond compact and preparation method | |
| CN108673074B (en) | Method for manufacturing stone cutting tool | |
| TW200804018A (en) | Hob and forming method thereof | |
| CN104353974A (en) | Processing method of anti-disengagement high-wear-resistance cutting teeth | |
| CN210164432U (en) | Polycrystalline diamond compact bit and petroleum drilling equipment with same | |
| CN104384700B (en) | Welding machining method of hard alloy cutter blade | |
| CN104551161A (en) | Disc milling cutter for finish machining | |
| CN109759784A (en) | A method of wear-resisting inserted cutter ring is made using soldering | |
| CN112122695B (en) | Preparation process of laser welding saw blade | |
| CN104264027A (en) | High-temperature-resistant metal cutting tool and preparation method thereof | |
| CN104338978A (en) | High-strength highly-durable drill bit | |
| KR102162583B1 (en) | Apparatus for electric discharge milling work | |
| CN204486918U (en) | A kind of Metal Cutting saw blade | |
| CN203610815U (en) | Blade high frequency brazing tooling of form line milling cutter | |
| CN107196470B (en) | Motor iron core with excellent mechanical property and preparation process thereof | |
| CN106312488B (en) | A kind of tungsten steel blade of long life |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171201 |
|
| WD01 | Invention patent application deemed withdrawn after publication |