CN107350497A - A kind of Drilling operation technique of auto parts - Google Patents
A kind of Drilling operation technique of auto parts Download PDFInfo
- Publication number
- CN107350497A CN107350497A CN201710563928.4A CN201710563928A CN107350497A CN 107350497 A CN107350497 A CN 107350497A CN 201710563928 A CN201710563928 A CN 201710563928A CN 107350497 A CN107350497 A CN 107350497A
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- auto parts
- diameter
- reaming
- drilling operation
- drill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of Drilling operation technique of auto parts, confirm including determining that aperture size drilling preparation lathe borehole drilling cutter reaming precision processing checks, this technique is drilled by lathe, drill reaming and precision are processed, amplification is processed in aperture by three process step by step, compared to traditional aperture process technology so that the precision of aperture processing is greatly improved.
Description
Technical field
The present invention relates to auto parts processing technology field, more particularly to a kind of Drilling operation technique of auto parts.
Background technology
Auto parts machinery processing is the product for forming the overall each unit of auto parts machinery processing and serving auto parts machinery processing.
Auto parts are and higher in Drilling operation required precision because requirement on machining accuracy is higher.
Such as similar to patent CN201510162503.3 the invention discloses a kind of bonnet drill jig bore process, including：
Bore template is enclosed on bonnet, bonnet and bore template is fixed with screw rod, den bohrkopf einsetzen on radial drilling machine, is directed at bore template
Hole drill under, so as to be processed.By the above-mentioned means, bonnet drill jig bore process of the present invention, the technique passes through first with drilling
Template is processed, and is then processed again using plain radial drilling machine, greatly reduces equipment cost and technical costs, is improved
Efficiency, hence it is evident that intuitively reached the purpose of cost efficiency.The present invention relates to a kind of furniture by patent CN201310093909.1
Sheet material side bore process, it is characterised in that carried out by following technique：A) by sheet material horizontal on a levelling bench, and do not add
Work end is rested against by the L-shaped locating piece being arranged on levelling bench；B) the main briquetting of the vertical lift of driving one and auxiliary briquetting,
The upper surface for making it push down undressed end and process end, to prevent undressed ending pulsation during processing；C) driving is located at sheet fabrication
Some drill bits of side, it is fed towards sheet material end, complete to drill to sheet material side；D) after the completion of drilling operating, drill bit return,
Briquetting is lifted, and manually takes out sheet material, completes sheet material side bore process process.Processing technology of the present invention is simple, and it is convenient to realize, and
And process equipment is simple in construction, simple operation, it can effectively lift drilling efficiency, ensure that hole position is accurate, ensure subsequent product production
Be smoothed out.Although this technique can improve processing efficiency, the precision of processing, therefore finished aperture can not be ensured
It is more coarse.
The content of the invention
A kind of Drilling operation technique of auto parts, its step include：
(1) aperture size is determined：The estimated perforation that following several apertures are processed on auto parts of this technique：Φ2.7mm、
Φ 4.3mm, Φ 7.4mm and Φ 13.0mm；
(2) drill preparation：Drilling numerical control machine and cutter, knife bar are checked, get out coolant；
(3) lathe drills：Auto parts hole to be drilled are placed on Digit Control Machine Tool, set machine tool program, in part
On mark center and the diameter in hole, four dotting punches are made a call on the circumference in hole, sample dotting punch cone angle is 90 ° -120 °, sample dotting punch diameter
In 0.5-1.5mm, hole site and size are correct by examining, then are drilled in hole center, and bore diameter is to add
The 80-90% of work diameter；
(4) drill reaming：Reaming is carried out using drill, lower knife speed 0.5-1.5m/min carries out preboring, by same apertures
The superposition reaming of 3-5 blocks part, the 50-60% of the remaining processing diameter of preboring reaming；
(5) precision is processed：Reuse drill to finish part one by one, parameter rotating speed 110-150krpm, lower knife speed
2.0-3.5m/min is spent, until the aperture of part is machined；
(6) detection confirms：After the completion of drilling, examined and confirmed using hole position check machine.
Preferably, using preceding needing to try out, trying out overproof person must not use for cutter and knife bar in the step (2), it is allowed to
Tolerance is provided by GB/T1438, GB/T4257, GB/T4245 standard.
Preferably, the coolant used in the step (2) is clear water.
Preferably, the position of (3) four dotting punches of step is 90 ° of positions.
Preferably, the cutter parameters used in the step (4)：A diameter of 0.5mm, blade 1.7mm.
Preferably, preboring reaming is remaining in the step (4) processes the 50% of diameter.
Beneficial effect：The invention provides a kind of Drilling operation technique of auto parts, including determine aperture size-drilling
Preparation-lathe drilling-drill reaming-precision processing-inspection confirms, this technique is drilled by lathe, drill reaming and essence
Degree processing, processes in aperture amplification, compared to traditional aperture process technology step by step by three process so that aperture processes
Precision be greatly improved, using preceding needing to try out, trying out overproof person must not make for cutter and knife bar in the step (2)
With, it is allowed to tolerance is provided that the process can be prevented effectively by processing unit (plant) by GB/T1438, GB/T4257, GB/T4245 standard
The systematic error brought, the precision of processing is improved, the coolant used in the step (2) is clear water, and water specific heat capacity is big, energy
Enough to play a part of cooling to greatest extent and lower using the cost of clear water, the position of (3) four dotting punches of step is
90 ° of positions, the technological design significantly more efficient can play positioning action, help operator preferably to determine the position of punching,
The cutter parameters used in the step (4)：A diameter of 0.5mm, blade 1.7mm, the cutter estimated to this technique can add
Effective elaboration is played in the aperture used of work, and preboring reaming residue processes the 50% of diameter in the step (4), the technique
It can provide precision processing sufficient processing space so that passing rate of processing significantly improves.
Embodiment
To be easy to understand the technical means, the inventive features, the objects and the advantages of the present invention, with reference to
Embodiment, the present invention is expanded on further.
Embodiment 1：
A kind of Drilling operation technique of auto parts, its step include：
(1) aperture size is determined：The estimated perforation that following several apertures are processed on auto parts of this technique：Φ2.7mm、
Φ 4.3mm, Φ 7.4mm and Φ 13.0mm；
(2) drill preparation：Drilling numerical control machine and cutter, knife bar are checked, cutter and knife bar are using
Preceding to try out, trying out overproof person must not be used, it is allowed to which tolerance is provided by GB/T1438, GB/T4257, GB/T4245 standard, is prepared
Good coolant, coolant are clear water；
(3) lathe drills：Auto parts hole to be drilled are placed on Digit Control Machine Tool, set machine tool program, in part
On mark center and the diameter in hole, make a call to four dotting punches on the circumference in hole, the positions of four dotting punches is 90 ° of positions, sample dotting punch cone
Angle is 90 °, and sample dotting punch diameter is correct by examining in 0.5mm, hole site and size, then is bored in hole center
Hole, bore diameter are the 80% of processing diameter；
(4) drill reaming：Reaming, cutter parameters are carried out using drill：A diameter of 0.5mm, blade 1.7mm, lower knife speed
Spend 0.5m/min and carry out preboring, 3 pieces of parts of same apertures are superimposed reaming, preboring reaming is remaining to process the 50% of diameter；
(5) precision is processed：Reuse drill to finish part one by one, parameter rotating speed 110krpm, lower knife speed
2.0m/min, until the aperture of part is machined；
(6) detection confirms：After the completion of drilling, examined and confirmed using hole position check machine.
Embodiment 2：
A kind of Drilling operation technique of auto parts, its step include：
(1) aperture size is determined：The estimated perforation that following several apertures are processed on auto parts of this technique：Φ2.7mm、
Φ 4.3mm, Φ 7.4mm and Φ 13.0mm；
(2) drill preparation：Drilling numerical control machine and cutter, knife bar are checked, cutter and knife bar are using
Preceding to try out, trying out overproof person must not be used, it is allowed to which tolerance is provided by GB/T1438, GB/T4257, GB/T4245 standard, is prepared
Good coolant, coolant are clear water；
(3) lathe drills：Auto parts hole to be drilled are placed on Digit Control Machine Tool, set machine tool program, in part
On mark center and the diameter in hole, make a call to four dotting punches on the circumference in hole, the positions of four dotting punches is 90 ° of positions, sample dotting punch cone
Angle is 100 °, and sample dotting punch diameter is correct by examining in 0.5-1.5mm, hole site and size, then in hole center
Drilled, bore diameter is the 85% of processing diameter；
(4) drill reaming：Reaming, cutter parameters are carried out using drill：A diameter of 0.5mm, blade 1.7mm, lower knife speed
Spend 1.0m/min and carry out preboring, 4 pieces of parts of same apertures are superimposed reaming, preboring reaming is remaining to process the 50% of diameter；
(5) precision is processed：Reuse drill to finish part one by one, parameter rotating speed 135krpm, lower knife speed
2.8m/min, until the aperture of part is machined；
(6) detection confirms：After the completion of drilling, examined and confirmed using hole position check machine.
Embodiment 3：
A kind of Drilling operation technique of auto parts, its step include：
(1) aperture size is determined：The estimated perforation that following several apertures are processed on auto parts of this technique：Φ2.7mm、
Φ 4.3mm, Φ 7.4mm and Φ 13.0mm；
(2) drill preparation：Drilling numerical control machine and cutter, knife bar are checked, cutter and knife bar are using
Preceding to try out, trying out overproof person must not be used, it is allowed to which tolerance is provided by GB/T1438, GB/T4257, GB/T4245 standard, is prepared
Good coolant, coolant are clear water；
(3) lathe drills：Auto parts hole to be drilled are placed on Digit Control Machine Tool, set machine tool program, in part
On mark center and the diameter in hole, make a call to four dotting punches on the circumference in hole, the positions of four dotting punches is 90 ° of positions, sample dotting punch cone
Angle is 120 °, and sample dotting punch diameter is correct by examining in 1.5mm, hole site and size, then is carried out in hole center
Drilling, bore diameter are the 90% of processing diameter；
(4) drill reaming：Reaming, cutter parameters are carried out using drill：A diameter of 0.5mm, blade 1.7mm, lower knife speed
Spend 1.5m/min and carry out preboring, 5 pieces of parts of same apertures are superimposed reaming, preboring reaming is remaining to process the 50% of diameter；
(5) precision is processed：Reuse drill to finish part one by one, parameter rotating speed 150krpm, lower knife speed
3.5m/min, until the aperture of part is machined；
(6) detection confirms：After the completion of drilling, examined and confirmed using hole position check machine.
The sample for extracting each embodiment is tested and analyzed, and is compareed with prior art, draws following data：
| Tolerance | CPK values | Accurate rate | Part qualification rate | |
| Embodiment 1 | +/-1.6mil | 1.497 | 93% | 98% |
| Embodiment 2 | +/-1.5mil | 1.553 | 95% | 99% |
| Embodiment 3 | +/-1.8mil | 1.325 | 88% | 97% |
| Prior art index | +/-2.0mil | 1.064 | 80% | 95% |
It can be drawn according to above table data, when implementing 2 parameter of embodiment, the Drilling operation of auto parts of the present invention
Technique, its technological parameter are that the tolerance of Machining of Connecting Rod is +/- 1.5mil, and CPK values are 1.553, accurate rate 95%, and qualification rate is
99%, and prior art standard of tolerance is +/- 2.0mil, CPK values are 1.064, accurate rate 80%, qualification rate 95%, this
The forging technology of invention auto parts possesses higher machining accuracy, higher production process ability, and higher accuracy is higher
Qualification rate, therefore the present invention there is significant superiority.
The invention provides a kind of Drilling operation technique of auto parts, including determine aperture size-drilling preparation-
Lathe drilling-drill reaming-precision processing-inspection confirms that this technique is drilled by lathe, drill reaming and precision are processed, and is led to
Cross three process and aperture is processed to amplification step by step, compared to traditional aperture process technology so that the precision of aperture processing obtains
Lifted to great, using preceding needing to try out, trying out overproof person must not use, it is allowed to public for cutter and knife bar in the step (2)
Difference is provided that the process can effectively prevent the system brought by processing unit (plant) by GB/T1438, GB/T4257, GB/T4245 standard
Error, the precision of processing is improved, the coolant used in the step (2) is clear water, and water specific heat capacity is big, can be to greatest extent
Play a part of cooling, and lower using the cost of clear water, the positions of (3) four dotting punches of step is 90 ° of positions, the work
Skill be designed to it is significantly more efficient play positioning action, help operator preferably to determine the position of punching, in the step (4)
The cutter parameters used：A diameter of 0.5mm, blade 1.7mm, the cutter can rise to the aperture used of the estimated processing of this technique
To effective elaboration, the 50% of the remaining processing diameter of preboring reaming in the step (4), the technique can provide precision and add
The sufficient processing space of work so that passing rate of processing significantly improves.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (6)
1. the Drilling operation technique of a kind of auto parts, it is characterised in that its preparation process includes：
(1) aperture size is determined：The estimated perforation that following several apertures are processed on auto parts of this technique：Φ2.7mm、Φ
4.3mm, Φ 7.4mm and Φ 13.0mm；
(2) drill preparation：Drilling numerical control machine and cutter, knife bar are checked, get out coolant；
(3) lathe drills：Auto parts hole to be drilled are placed on Digit Control Machine Tool, set machine tool program, are drawn on part
The center portalled and diameter, four dotting punches are made a call on the circumference in hole, sample dotting punch cone angle is 90 ° -120 °, and sample dotting punch diameter exists
0.5-1.5mm, hole site and size are correct by examining, then are drilled in hole center, and bore diameter is processing
The 80-90% of diameter；
(4) drill reaming：Reaming is carried out using drill, lower knife speed 0.5-1.5m/min carries out preboring, by the 3-5 of same apertures
Block part is superimposed reaming, the 50-60% of the remaining processing diameter of preboring reaming；
(5) precision is processed：Reuse drill to finish part one by one, parameter rotating speed 110-150krpm, lower knife speed
2.0-3.5m/min, until the aperture of part is machined；(6) detection confirms：After the completion of drilling, machine examination is checked using hole position
Test confirmation.
A kind of 2. Drilling operation technique of the auto parts described in claim 1, it is characterised in that cutter in the step (2)
With knife bar using preceding needing to try out, trying out overproof person must not use, it is allowed to which tolerance presses GB/T1438, GB/T4257, GB/T4245
Standard provides.
3. the Drilling operation technique of the auto parts described in a kind of claim 1, it is characterised in that used in the step (2)
Coolant be clear water.
A kind of 4. Drilling operation technique of the auto parts described in claim 1, it is characterised in that described (3) four punchings of step
The position of eye is 90 ° of positions.
5. the Drilling operation technique of the auto parts described in a kind of claim 1, it is characterised in that used in the step (4)
Cutter parameters：A diameter of 0.5mm, blade 1.7mm.
A kind of 6. Drilling operation technique of the auto parts described in claim 1, it is characterised in that preboring in the step (4)
The 50% of the remaining processing diameter of reaming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563928.4A CN107350497A (en) | 2017-07-12 | 2017-07-12 | A kind of Drilling operation technique of auto parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710563928.4A CN107350497A (en) | 2017-07-12 | 2017-07-12 | A kind of Drilling operation technique of auto parts |
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| Publication Number | Publication Date |
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| CN107350497A true CN107350497A (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710563928.4A Pending CN107350497A (en) | 2017-07-12 | 2017-07-12 | A kind of Drilling operation technique of auto parts |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047808A (en) * | 2018-10-22 | 2018-12-21 | 安徽青润精密科技有限公司 | A kind of steel construction machining process for through hole |
| CN109849104A (en) * | 2018-12-01 | 2019-06-07 | 广东骏亚电子科技股份有限公司 | A kind of control method for the hole position accuracy that drills |
| CN114406307A (en) * | 2021-12-16 | 2022-04-29 | 海纳川海拉电子(江苏)有限公司 | Beat lifting method based on OMAR process technology |
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| CN102974982A (en) * | 2012-12-03 | 2013-03-20 | 吴江市社翊纺织有限公司 | Processing method of long sleeve deep hole for spinning |
| CN103752880A (en) * | 2013-12-20 | 2014-04-30 | 柳州正菱集团有限公司 | Broaching and drilling process for front brake adjustment arm casting |
| CN104475823A (en) * | 2014-09-25 | 2015-04-01 | 陕西启源科技发展有限责任公司 | Machining method for improving accuracy of drilling position |
| CN105458329A (en) * | 2015-12-31 | 2016-04-06 | 杭州九龙机械制造有限公司 | Special drilling machine for connecting rod and drilling method |
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2017
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04346491A (en) * | 1991-05-24 | 1992-12-02 | Matsushita Electric Ind Co Ltd | Hole boring method of printed wiring board |
| CN102974982A (en) * | 2012-12-03 | 2013-03-20 | 吴江市社翊纺织有限公司 | Processing method of long sleeve deep hole for spinning |
| CN103752880A (en) * | 2013-12-20 | 2014-04-30 | 柳州正菱集团有限公司 | Broaching and drilling process for front brake adjustment arm casting |
| CN104475823A (en) * | 2014-09-25 | 2015-04-01 | 陕西启源科技发展有限责任公司 | Machining method for improving accuracy of drilling position |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047808A (en) * | 2018-10-22 | 2018-12-21 | 安徽青润精密科技有限公司 | A kind of steel construction machining process for through hole |
| CN109849104A (en) * | 2018-12-01 | 2019-06-07 | 广东骏亚电子科技股份有限公司 | A kind of control method for the hole position accuracy that drills |
| CN114406307A (en) * | 2021-12-16 | 2022-04-29 | 海纳川海拉电子(江苏)有限公司 | Beat lifting method based on OMAR process technology |
| CN114406307B (en) * | 2021-12-16 | 2024-06-04 | 海纳川海拉电子(江苏)有限公司 | Beat lifting method based on OMAR technology |
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