CN107538184B - A kind of trapezoidal thread hole chuck jaws processing method - Google Patents
A kind of trapezoidal thread hole chuck jaws processing method Download PDFInfo
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- CN107538184B CN107538184B CN201710739945.9A CN201710739945A CN107538184B CN 107538184 B CN107538184 B CN 107538184B CN 201710739945 A CN201710739945 A CN 201710739945A CN 107538184 B CN107538184 B CN 107538184B
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Abstract
A kind of trapezoidal thread hole chuck jaws processing method, it is related to machining process.The present invention is to solve the problems, such as that existing processing technology not can guarantee the machining accuracy of trapezoidal thread hole chuck jaws.Described method includes following steps: rough milling；Thick drilling；Rough bore；Heat treatment；Face grinding D；Finish-milling；Smart car hole；Segmentation；Right boring；Dig anti-slop serrations；Anti-slop serrations heat treatment；Each edge chamfering prints figure number.The present invention is processed for trapezoidal thread hole chuck jaws.
Description
Technical field
The present invention relates to machining process, and in particular to a kind of trapezoidal thread hole chuck jaws processing method.
Background technique
Chuck jaws are a kind of machine tool accessories that numerical control vertical lathe uses, and carry out transmission clamping with the trapezoidal thread of half bore, the portion
Part is easily worn part, and abrasion needs replacing new chuck jaws after scrapping, to guarantee the safety and clamping accuracy requirement when clamping,
Existing processing method machining accuracy is low, especially the processing of trapezoidal thread, and precision is difficult to meet the requirements.
Summary of the invention
The present invention in order to solve the problems, such as that existing processing technology not can guarantee the machining accuracy of trapezoidal thread hole chuck jaws, into
And propose a kind of trapezoidal thread hole chuck jaws processing method.
The technical solution adopted by the present invention to solve the above technical problem is:
A kind of trapezoidal thread hole chuck jaws processing method includes the following steps:
Step 1: it rough mills: milling raw material at rectangular having a size of 290mm × 144.7mm × 400.7mm in horizontal milling machine
Body, raw material can be processed two pieces workpiece, and size to the height of milling cascaded surface A is 103mm, the size of milling cascaded surface B to width
For 103mm；
Step 2: thick drilling: the axis of threaded hole is drawn in pincers worker first, is then drilled to φ 55；
Step 3: rough bore: boring threaded hole is to φ 88 on CNC milling machine；
Step 4: heat treatment: it is 31~35HRC that material, which is heat-treated to Rockwell hardness,；
Step 5: face grinding D: grinding two end face D respectively on surface grinding machine, until the distance between two end face D are
The numerical value of L4, L4 are 144mm, and guarantee that the depth of parallelism between two end face D is 0.02mm；
Step 6: finish-milling: two end face E are milled in horizontal milling machine, until the distance between two end face E are L1, the number of L1
Value is 390mm, mills two end face F, until the distance between two end face F are L2, the numerical value of L2 is 286mm, milling cascaded surface A
Size to height be 100mm, the size of milling cascaded surface B to width is 100mm；
Step 7: smart car hole: cutting thread hole to Tr100 × 10, the concentricity of threaded hole are 0.02mm；
Step 8: segmentation: being two single-pieces by symmetrically cutting on material cutting on line lathe；
Step 9: right boring: in horizontal milling machine boring lower end surface G, until the distance between end face E and lower end surface G are L3, L3's
Numerical value is 175mm, the cascaded surface C of the boring end face two sides E, until the width of end face E is L5, the numerical value of L5 is 99mm, cascaded surface C's
Height is L6, and the numerical value of L6 is 50mm；
Step 10: plane anti-slop serrations: in end face B and a corresponding side end face staggeredly dig anti-slop serrations to 8.5 × 90 ° ×
2；
Step 11: anti-slop serrations heat treatment: selective hardening to Rockwell hardness is 45~50HRC at anti-slop serrations；
Step 12: each edge chamfering prints figure number, trapezoidal thread hole chuck jaws completion of processing.
The beneficial effects of the present invention over the prior art is:
Trapezoidal thread hole chuck jaws processing method of the invention, solving prior art scheme not can guarantee trapezoidal thread hole
The machining accuracy problem of chuck jaws, the processing method use the technological measure of two pieces one simultaneous processing trapezoidal thread, effectively protect
When having demonstrate,proved the requirement on machining accuracy of trapezoidal thread, and having improved half hole machined trapezoidal thread, the impact condition of interrupted cut, also greatly
Processing efficiency is improved greatly, processing efficiency is enhanced about more than once, and carries out selective hardening extremely to chuck jaws position collet easy to wear
HRC45-50 substantially increases the chuck jaws service life.
Detailed description of the invention
Fig. 1 is the main view of trapezoidal thread hole chuck jaws workpiece to be processed in the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is process chart of the trapezoidal thread hole chuck jaws workpiece in processing in the present invention.
Specific embodiment
Specific embodiment 1: illustrating present embodiment, a kind of trapezoidal thread described in present embodiment in conjunction with Fig. 1 to Fig. 4
Hole chuck jaws processing method includes the following steps:
Step 1: it rough mills: milling raw material at rectangular having a size of 290mm × 144.7mm × 400.7mm in horizontal milling machine
Body, raw material can be processed two pieces workpiece, and size to the height of milling cascaded surface A1 is 103mm, the size of milling cascaded surface B2 to width
Degree is 103mm；
Step 2: thick drilling: the axis of threaded hole 3 is drawn in pincers worker first, is then drilled to φ 55；
Step 3: rough bore: boring threaded hole 3 is to φ 88 on CNC milling machine；
Step 4: heat treatment: it is 31~35HRC that material, which is heat-treated to Rockwell hardness,；
Step 5: face grinding D4: grinding two end face D4 respectively on surface grinding machine, until the distance between two end face D4
For L4, the numerical value of L4 is 144mm, and guarantees that the depth of parallelism between two end face D4 is 0.02mm；
Step 6: finish-milling: milling two end face E5 in horizontal milling machine, until the distance between two end face E5 are L1, L1's
Numerical value is 390mm, mills two end face F6, until the distance between two end face F6 are L2, the numerical value of L2 is 286mm, milling rank
The size of tread A1 to height is 100mm, and size to the width of milling cascaded surface B2 is 100mm；
Step 7: smart car hole: cutting thread hole 3 to Tr100 × 10, the concentricity of threaded hole 3 are 0.02mm；
Step 8: segmentation: being two single-pieces by symmetrically cutting on material cutting on line lathe；
Step 9: right boring: in horizontal milling machine boring lower end surface G7, until the distance between end face E5 and lower end surface G7 are L3,
The numerical value of L3 is 175mm, the cascaded surface C8 of the boring end face two sides E5, until the width of end face E5 is L5, the numerical value of L5 is 99mm, rank
The height of tread C8 is L6, and the numerical value of L6 is 50mm；
Step 10: plane anti-slop serrations: in end face, anti-slop serrations are staggeredly dug to 8.5 × 90 ° in B2 and a corresponding side end face
×2；
Step 11: anti-slop serrations heat treatment: selective hardening to Rockwell hardness is 45~50HRC at anti-slop serrations；
Step 12: each edge chamfering prints figure number, trapezoidal thread hole chuck jaws completion of processing.
It is designed in this way the axis that threaded hole 3 is drawn in pincers worker in step 2 first, then drilling to diameter is 55mm；
Boring threaded hole 3 to diameter is 88mm on CNC milling machine in step 3；
Final height in step 6 after cascaded surface A1 cutting is L7, and the numerical value of L7 is 100mm, after cascaded surface B2 cutting
Final width is L8, and the numerical value of L8 is 100mm.In step 1, size to the height of milling cascaded surface A1 is 103mm, milling rank
The size of tread B2 to width is 103mm, i.e., on the basis of final size, single side high-volume 3mm.
In step 7 smart car hole, cutting thread hole 3 to Tr100 × 10 be threaded hole 3 be diameter be 100mm, screw pitch is
The trapezoidal thread hole of 10mm.
It is h that anti-slop serrations 8.5 × 90 ° × 2, which are the distance between two neighboring anti-slop serrations of anti-slop serrations, in step 10, h's
Numerical value is 8.5mm, and the angle between the two neighboring side wall of two neighboring anti-slop serrations is α, and the angle of α is 90 °, the tooth of anti-slop serrations
Depth is d, and the numerical value of d is 2mm.
In step 9 right boring, between lower end surface G7 and middle line, the width that boring is fallen is L9, and the numerical value of L9 is 20mm.
Specific embodiment 2: illustrating present embodiment in conjunction with Fig. 1 to Fig. 4, in step 4 described in present embodiment at heat
The technical process of reason are as follows: material is first heated 30 minutes in 820~840 DEG C of moderate oven in temperature range, water is then placed in
It is cooled to 300~400 DEG C of temperature in slot, places into oil groove and is cooled to room temperature, is finally putting into the tempering furnace that temperature is 560 DEG C
Tempering heating 2 hours.The technical features not disclosed in this embodiment are same as the specific embodiment one.
Specific embodiment 3: illustrating present embodiment, end face in step 5 described in present embodiment in conjunction with Fig. 1 to Fig. 4
After the completion of D4 grinding, by two end face D4 degaussings.The technical features not disclosed in this embodiment and specific embodiment one or
Two is identical.
Specific embodiment 4: illustrating present embodiment, milling machine in step 1 described in present embodiment in conjunction with Fig. 1 to Fig. 4
Cutting parameter are as follows: revolving speed 200r/min, amount of feeding 150mm/min, cutting depth 3mm.Undocumented skill in present embodiment
Art feature is the same as the specific implementation mode 3.
Specific embodiment 5: illustrating present embodiment, milling machine in step 6 described in present embodiment in conjunction with Fig. 1 to Fig. 4
Cutting parameter are as follows: revolving speed 200r/min, amount of feeding 150mm/min, cutting depth 1.5mm.It is undocumented in present embodiment
Technical characteristic is identical as specific embodiment four.
Specific embodiment 6: illustrating present embodiment, lathe in step 7 described in present embodiment in conjunction with Fig. 1 to Fig. 4
Cutting parameter are as follows: revolving speed 80r/min, amount of feeding 10mm/min, cutting depth 0.8mm.Undocumented skill in present embodiment
Art feature is identical as specific embodiment four or five.
Specific embodiment 7: illustrating present embodiment, milling machine in step 9 described in present embodiment in conjunction with Fig. 1 to Fig. 4
Cutting parameter are as follows: revolving speed 200r/min, amount of feeding 150mm/min, cutting depth 1.5mm.It is undocumented in present embodiment
Technical characteristic is identical as specific embodiment six.
Specific embodiment 8: illustrating present embodiment, smart car in step 7 described in present embodiment in conjunction with Fig. 1 to Fig. 4
Right boring hole, boring threaded hole 3 to φ 90 are carried out before hole first, the concentricity of threaded hole 3 is 0.02mm.It is not public in present embodiment
The technical characteristic opened is identical as specific embodiment seven.
It is 90mm by 3 boring of threaded hole to diameter.
Claims (8)
1. a kind of trapezoidal thread hole chuck jaws processing method, it is characterised in that: described method includes following steps:
Step 1: it rough mills: in horizontal milling machine by raw material milling at having a size of 290mm × 144.7mm × 400.7mm cuboid, original
Expect processable two pieces workpiece, size to the height of milling cascaded surface A (1) is 103mm, the size of milling cascaded surface B (2) to width
For 103mm；
Step 2: thick drilling: the axis of threaded hole (3) is drawn in pincers worker first, then drill to
Step 3: rough bore: boring threaded hole (3) is extremely on CNC milling machine
Step 4: heat treatment: it is 31~35HRC that material, which is heat-treated to Rockwell hardness,；
Step 5: face grinding D (4): grinding two end face D (4) respectively on surface grinding machine, until between two end face D (4) away from
It is 144mm from the numerical value for L4, L4, and guarantees that the depth of parallelism between two end face D (4) is 0.02mm；
Step 6: finish-milling: milling two end face E (5) in horizontal milling machine, until the distance between two end face E (5) are L1, L1's
Numerical value is 390mm, mills two end face F (6), until the distance between two end face F (6) are L2, the numerical value of L2 is 286mm, milling
Size to the height for cutting cascaded surface A (1) is 100mm, and size to the width of milling cascaded surface B (2) is 100mm；
Step 7: smart car hole: cutting thread hole (3) to Tr100 × 10, the concentricity of threaded hole (3) are 0.02mm；
Step 8: segmentation: being two single-pieces by symmetrically cutting on material cutting on line lathe；
Step 9: right boring: in horizontal milling machine boring lower end surface G (7), until the distance between end face E (5) and lower end surface G (7) are
The numerical value of L3, L3 are 175mm, the cascaded surface C (8) of boring end face E (5) two sides, until the width of end face E (5) is L5, the numerical value of L5
For 99mm, the height of cascaded surface C (8) is L6, and the numerical value of L6 is 50mm；
Step 10: plane anti-slop serrations: in end face B (2) and a corresponding side end face interlock plane anti-slop serrations to 8.5 × 90 ° ×
2；
Step 11: anti-slop serrations heat treatment: selective hardening to Rockwell hardness is 45~50HRC at anti-slop serrations；
Step 12: each edge chamfering prints figure number, trapezoidal thread hole chuck jaws completion of processing.
2. a kind of trapezoidal thread hole chuck jaws processing method according to claim 1, it is characterised in that: hot in the step 4
The technical process of processing are as follows: material is first heated 30 minutes in 820~840 DEG C of moderate oven in temperature range, is then placed in
It is cooled to 300~400 DEG C of temperature in sink, places into oil groove and is cooled to room temperature, is finally putting into the tempering furnace that temperature is 560 DEG C
Middle tempering is heated 2 hours.
3. a kind of trapezoidal thread hole chuck jaws processing method according to claim 1 or claim 2, it is characterised in that: the step 5
After the completion of middle end face D (4) grinding, by two end face D (4) degaussings.
4. a kind of trapezoidal thread hole chuck jaws processing method according to claim 3, it is characterised in that: milled in the step 1
The cutting parameter of bed are as follows: revolving speed 200r/min, amount of feeding 150mm/min, cutting depth 3mm.
5. a kind of trapezoidal thread hole chuck jaws processing method according to claim 4, it is characterised in that: milled in the step 6
The cutting parameter of bed are as follows: revolving speed 200r/min, amount of feeding 150mm/min, cutting depth 1.5mm.
6. a kind of trapezoidal thread hole chuck jaws processing method according to claim 4 or 5, it is characterised in that: the step 7
The cutting parameter of middle lathe are as follows: revolving speed 80r/min, amount of feeding 10mm/min, cutting depth 0.8mm.
7. a kind of trapezoidal thread hole chuck jaws processing method according to claim 6, it is characterised in that: milled in the step 9
The cutting parameter of bed are as follows: revolving speed 200r/min, amount of feeding 150mm/min, cutting depth 1.5mm.
8. a kind of trapezoidal thread hole chuck jaws processing method according to claim 7, it is characterised in that: smart in the step 7
Right boring hole is carried out before vehicle hole first, boring threaded hole (3) is extremelyThe concentricity of threaded hole (3) is 0.02mm.
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| CN201710739945.9A CN107538184B (en) | 2017-08-23 | 2017-08-23 | A kind of trapezoidal thread hole chuck jaws processing method |
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| CN201710739945.9A CN107538184B (en) | 2017-08-23 | 2017-08-23 | A kind of trapezoidal thread hole chuck jaws processing method |
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| DE4342557C2 (en) * | 1993-12-14 | 1996-04-11 | Felix Leeb | Milling and drilling tool |
| CN102441683A (en) * | 2010-10-10 | 2012-05-09 | 孙生强 | Turning trapezoidal thread carding blade and processing method thereof |
| CN103386586A (en) * | 2012-05-11 | 2013-11-13 | 江苏龙城精锻有限公司 | Machining technology of claw pole for hybrid excitation generator |
| CN202607016U (en) * | 2012-07-10 | 2012-12-19 | 哈尔滨汽轮机厂有限责任公司 | Deep hole thread turning tool with slide block |
| CN102848160B (en) * | 2012-08-29 | 2014-08-13 | 哈尔滨汽轮机厂有限责任公司 | Wave blade-shaped end mill processing method |
| CN105058002B (en) * | 2015-08-05 | 2017-06-23 | 哈尔滨汽轮机厂有限责任公司 | A kind of processing method of welded type extension drill |
| CN105619035A (en) * | 2016-03-22 | 2016-06-01 | 衡阳风顺车桥有限公司 | Machining process of automobile front frame guide pipe |
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Effective date of registration: 20221215 Address after: 150000 building 3, high tech production base, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN TURBINE Co.,Ltd. Patentee after: HADIAN POWER EQUIPMENT NATIONAL ENGINEERING RESEARCH CENTER CO.,LTD. Address before: 150046 No. three power road 345, Xiangfang District, Heilongjiang, Harbin Patentee before: HARBIN TURBINE Co.,Ltd. |
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