CN114643508A - 一种钢球高效无烧伤的硬磨加工操作方法 - Google Patents
一种钢球高效无烧伤的硬磨加工操作方法 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 16
- 238000012216 screening Methods 0.000 claims abstract description 11
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 238000003754 machining Methods 0.000 claims description 18
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B11/00—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor
- B24B11/02—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls
- B24B11/04—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls involving grinding wheels
- B24B11/06—Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor for grinding balls involving grinding wheels acting by the front faces, e.g. of plane, grooved or bevelled shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/18—Drum screens
- B07B1/22—Revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
- B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
本发明公开了一种钢球高效无烧伤的硬磨加工操作方法,所述的操作方法通过对硬磨前选别采取滚筒筛漏除和刀口拦阻的组合筛选方式和对硬磨砂轮沟槽的有效控制,以及增加磨液箱的恒温管控,使钢球在硬磨工序加工过程中既无烧伤球的产生,增强了钢球的可靠性,保证了钢球的长寿命,同时又使加工效率提高了30%,节约了大量电能。
Description
技术领域
本发明涉及轴承钢球制造的技术领域,具体为一种钢球高效无烧伤的硬磨加工操作方法。
背景技术
轴承质量的优劣,钢球(滚动体)起了很大的作用,目前国内市场上使用的钢球大都存在可靠性差和寿命短等问题。主要原因是硬磨工序产生的烧伤,硬度比正常球硬度低10HRC左右,靠硬磨酸洗人工拣球难以把烧伤球剔除干净,而钢球光电检测设备又无法识别硬磨产生的烧伤球,对钢球的可靠性和寿命带来严重危害,同时钢球硬磨工序加工过程中容易产生修整块伤和容易砂轮爆炸,质量最不稳定,且效率低下,是轴承钢球行业加工的痛点和堵点。
发明内容
针对上述问题,本发明公布了一种钢球高效无烧伤的硬磨加工操作方法,所述的操作方法通过对硬磨前选别采取滚筒筛漏除和刀口拦阻的组合筛选方式和对硬磨砂轮沟槽的有效控制,以及增加磨液箱的恒温管控,使钢球在硬磨工序加工过程中既无烧伤球的产生,增强了钢球的可靠性,保证了钢球的长寿命,同时又使加工效率提高了30%,节约了大量电能。
其特征在于它包括如下步骤:硬磨前选别→开车初始加工→高速磨削加工→停车修整砂轮沟槽→修整钢球质量→出球防锈,其进一步特征在于硬磨前选别采取滚筒筛漏除和刀口拦阻的组合筛选方式。
其进一步特征为钢球离加工工艺尺寸还有0.03~0.05mm时,停车修整砂轮沟槽使砂轮沟槽深度为钢球加工直径的1/4~1/3,其余在硬磨加工的过程中不对砂轮沟槽进行修整。
其进一步特征为磨液箱内增加了电加热恒温控制温度60~70℃,提高磨液的清洗能力,保证砂轮的磨削效率达到最佳。
具体实施方式
它包括以下步骤:
⑴、硬磨前选别:采取滚筒筛漏除和刀口拦阻的组合筛选方式,把要加工的钢球,投入滚筒刀口选别筛中,钢球经过小于所加工其直径0.2mm筛孔的筛筒,漏除大缺陷球、小球和杂质等异常品,防止异物堵塞加工沟槽,再经过高精度刀口选别筛,使大于钢球直径0.03丝的死角球或大尺寸球都能够被选别出来;
⑵、开车初始加工:把经过选别后的钢球投入到磨球机中;加工模具:固定板采用合金铸铁板,转动板采用180~240目的陶瓷砂轮;磨削液采用3~5%的硬磨液,开启磨液箱加热系统使温度控制60~70℃;开车前检查砂轮沟槽深度,使砂轮沟槽为钢球直径的2/5,开车加工采用低压低速加工,加工速度40~60 rpm,加工压力0.5~1Mpa,砂轮修整器停止工作,加工时长为所加工钢球料盘旋转一周,防止钢球内有异常球造成砂轮爆炸;
⑶、高速磨削加工:钢球在机床料盘内旋转一周后,迅速提高压力和转速,加工速度120~140 rpm,压力4~6Mpa;快速消除钢球磨削余量,提高钢球加工效率,整个过程砂轮修整器停止工作,使砂轮沟槽自然逐步加深,磨削效率越来越高,在磨削过程中保持磨液温度为60~70℃,这一过程是钢球硬磨磨削效率最快的时段,消除钢球硬磨磨削余量的80%左右;
⑷、停车修整砂轮沟槽:离加工工艺还有0.03~0.05mm时,停车加工,开启砂轮修整器,修整砂轮沟槽使砂轮沟槽深度为钢球加工直径的1/4~1/3,在修砂轮过程中,修整器上的金刚石颗粒容易脱落,所以停止加工,修整砂轮过程中脱落的金刚石颗粒经磨液冲洗沉淀到磨液箱的底部,避免了钢球修整块伤的产生;
⑸修整钢球质量:砂轮沟槽经修整器修浅后,磨削效率相对降低,此时开启机床后,加工速度降低到90~110 rpm,压力降低3~5Mpa;对钢球的圆度进行修正,加工直到完工尺寸,此过程磨削较慢,同时关闭磨液箱的加热系统,钢球加工过程中温度相对降低,钢球不容易产生烧伤,同时在高速磨削加工阶段,钢球即使有轻微的烧伤,也可以在此修整钢球质量阶段进行消除;
⑹出球防锈:钢球硬磨达到工艺尺寸后,停止机床加工,经出球器把钢球流到防锈桶内,对钢球进行防锈。
本发明的创新之处在于:
1、硬磨前选别采取滚筒筛漏除和刀口拦阻的组合筛选方式,既漏除了硬磨加工容易造成堵槽的大缺陷球、小球和杂质等异常品,又防止了大尺寸球的混入,保证了砂轮沟槽的一致性;
2、钢球离加工工艺尺寸还有0.03~0.05mm时,停车修整砂轮沟槽使砂轮沟槽深度为钢球加工直径的1/4~1/3,其余在硬磨加工的过程中不对砂轮沟槽进行修整;
3、磨液箱内增加了电加热恒温控制温度60~70℃,提高磨液的清洗能力,保证砂轮的磨削效率达到最佳。
Claims (3)
1.一种钢球高效无烧伤的硬磨加工操作方法,其特征在于它包括如下步骤:硬磨前选别→开车初始加工→高速磨削加工→停车修整砂轮沟槽→修整钢球质量→出球防锈,其进一步特征在于硬磨前选别采取滚筒筛漏除和刀口拦阻的组合筛选方式。
2.根据权利1要求的一种钢球高效无烧伤的硬磨加工操作方法,其进一步特征为钢球离加工工艺尺寸还有0.03~0.05mm时,停车修整砂轮沟槽使砂轮沟槽深度为钢球加工直径的1/4~1/3,其余在硬磨加工的过程中不对砂轮沟槽进行修整。
3.根据权利1要求的一种钢球高效无烧伤的硬磨加工操作方法,其进一步特征为磨液箱内增加了电加热恒温控制温度60~70℃,提高磨液的清洗能力,保证砂轮的磨削效率达到最佳。
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---|---|---|---|---|
US4587763A (en) * | 1985-02-17 | 1986-05-13 | Hahn Robert S | Grinding machine |
JP2001054864A (ja) * | 1999-08-11 | 2001-02-27 | Ishikawajima Harima Heavy Ind Co Ltd | 研削加工方法及びそれを用いる研削盤 |
CN101209537A (zh) * | 2006-12-31 | 2008-07-02 | 河南农业大学 | 静音球轴承用“绒面”钢球加工工艺 |
JP2009006480A (ja) * | 2008-10-10 | 2009-01-15 | Nikon Corp | 研磨装置 |
CN103934632A (zh) * | 2014-02-26 | 2014-07-23 | 椿中岛机械(太仓)有限公司 | 赛车发电机轴承钢球的生产工艺 |
CN106002542A (zh) * | 2016-06-05 | 2016-10-12 | 无锡市飞云球业有限公司 | 轴承钢球无烧伤硬磨生产工艺 |
CN206383045U (zh) * | 2017-01-03 | 2017-08-08 | 无锡市利钧轴承有限公司 | 一种磨削液集中过滤、供应系统 |
CN207071871U (zh) * | 2017-06-09 | 2018-03-06 | 石家庄鸿欣橡胶制品有限公司 | 一种液体喷砂手模清洗加工系统 |
CN112095071A (zh) * | 2020-10-13 | 2020-12-18 | 椿中岛机械(太仓)有限公司 | 一种轻度渗碳钢球的加工工艺 |
-
2020
- 2020-12-21 CN CN202011517725.XA patent/CN114643508A/zh active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4587763A (en) * | 1985-02-17 | 1986-05-13 | Hahn Robert S | Grinding machine |
JP2001054864A (ja) * | 1999-08-11 | 2001-02-27 | Ishikawajima Harima Heavy Ind Co Ltd | 研削加工方法及びそれを用いる研削盤 |
CN101209537A (zh) * | 2006-12-31 | 2008-07-02 | 河南农业大学 | 静音球轴承用“绒面”钢球加工工艺 |
JP2009006480A (ja) * | 2008-10-10 | 2009-01-15 | Nikon Corp | 研磨装置 |
CN103934632A (zh) * | 2014-02-26 | 2014-07-23 | 椿中岛机械(太仓)有限公司 | 赛车发电机轴承钢球的生产工艺 |
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CN206383045U (zh) * | 2017-01-03 | 2017-08-08 | 无锡市利钧轴承有限公司 | 一种磨削液集中过滤、供应系统 |
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