CN103878649B - 一种光纤应力棒的加工方法 - Google Patents

一种光纤应力棒的加工方法 Download PDF

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CN103878649B
CN103878649B CN201410101458.6A CN201410101458A CN103878649B CN 103878649 B CN103878649 B CN 103878649B CN 201410101458 A CN201410101458 A CN 201410101458A CN 103878649 B CN103878649 B CN 103878649B
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stress rod
fiber stress
emery wheel
fiber
grinding
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CN103878649A (zh
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谢利华
袁曚
皮亚斌
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Wuhan changyingtong Optoelectronic Technology Co., Ltd
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WUHAN YANGTZE OPTICAL ELECTRONIC CO Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/04Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
    • B24B5/045Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally with the grinding wheel axis perpendicular to the workpiece axis

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

一种光纤应力棒的加工方法,包括采用常规方法制备出光纤应力棒,以及对光纤应力棒进行磨削的操作,其特别之处在于:所述对光纤应力棒进行磨削的操作中,磨削设备的砂轮与光纤应力棒垂直设置,且砂轮和光纤应力棒各自绕轴旋转的同时,砂轮与光纤应力棒沿光纤应力棒的轴向相对运动。与现有技术相比,本发明的有益效果在于:1)磨削设备的砂轮与光纤应力棒垂直,在磨削过程中,光纤应力棒受到的摩擦力由现有方式中的径向变为轴向,从而避免了光纤应力棒磨削过程中产生的径向跳动,提高了加工精度,磨削后光纤应力棒的表面光洁度较现有方式显著提高;2)现有方式中,砂轮与光纤应力棒之间由现有的线接触改为面接触,从而增强了抛光效果。

Description

一种光纤应力棒的加工方法
技术领域
本发明涉及光纤的制备,具体地指光纤制备过程中一种光纤应力棒的加工方法。
背景技术
光纤应力棒是用于制造光纤的重要材料之一。以熊猫型保偏光纤的制造过程为例,其首先使用PCVD方法分别制造光纤预制棒及高浓度掺硼应力棒;然后使用石英深孔技术在光纤预制棒上打出两个预先设计的对称圆孔,再将掺硼应力棒插入打孔的光纤预制棒,组合成熊猫型保偏光纤预制棒;最后,熊猫型保偏光纤预制棒通过拉丝塔拉丝,得到熊猫型保偏光纤。为保证上述生产工艺有较好的稳定性和重复性,打孔嵌入应力棒法对于孔的对称性以及孔与应力棒的配合精度等都提出了很高的要求。
目前生产的大部分光纤应力棒,都达不到上述打孔嵌入应力棒法对光纤应力棒的圆对称性要求,因此必须对普通方法生产出的光纤应力棒进行再加工。当前常规的方法是,使用两个锥形套顶把光纤应力棒两端固定,然后边旋转光纤应力棒边用磨削设备进行磨削。现有磨削过程中光纤应力棒与砂轮的相对位置如说明书附图部分的图1所示,图中,砂轮1与光纤应力棒2平行设置、对滚磨削,由于砂轮1与光纤应力棒2对滚会形成干扰,容易造成光纤应力棒2的跳动,进而影响磨削精度。
发明内容
本发明所要解决的技术问题就是提供一种光纤应力棒的加工方法,能够避免光纤应力棒磨削过程中产生跳动,从而减小误差的产生,增加加工精度。
为解决上述技术问题,本发明提供的一种光纤应力棒的加工方法,包括采用常规方法制备出光纤应力棒,以及对光纤应力棒进行磨削的操作,其特别之处在于:所述对光纤应力棒进行磨削的操作中,磨削设备的砂轮与光纤应力棒垂直设置,且砂轮和光纤应力棒各自绕轴旋转的同时,砂轮与光纤应力棒沿光纤应力棒的轴向相对运动。
上述技术方案中,在所述对光纤应力棒进行磨削的操作中,首先采用粗磨操作对光纤应力棒进行快速磨削,然后采用精磨操作实现光纤应力棒的抛光。
进一步地,所述粗磨操作中,砂轮的磨料粒度为60~200目;精磨操作中,砂轮的磨料粒度为不小于400目。
进一步地,所述粗磨操作中,砂轮的转速为4000~10000转/分;精磨操作中,砂轮的转速为2000~6000转/分。
上述技术方案中,采用直径为60~150mm的砂轮进行磨削操作。
上述技术方案中,在所述对光纤应力棒进行磨削的操作中,光纤应力棒的转速为100~1000转/分。
与现有技术相比,本发明的有益效果在于:
1)磨削设备的砂轮与光纤应力棒垂直,在磨削过程中,光纤应力棒受到的摩擦力由现有方式中的径向变为轴向,从而避免了光纤应力棒磨削过程中产生的径向跳动,提高了加工精度,磨削后光纤应力棒的表面光洁度较现有方式显著提高;
2)现有方式中,砂轮与光纤应力棒始终为线接触;而采用本发明方法时,随着磨削过程的进行,砂轮逐渐磨损,会在砂轮的轮缘产生凹槽,凹槽与光纤应力棒表面贴合,使得砂轮与光纤应力棒为面接触,从而增强了抛光效果。
附图说明
图1为现有光纤应力棒磨削过程中砂轮与光纤应力棒相对位置图。
图2为本发明一个实施例中砂轮与光纤应力棒相对位置图。
图中:1—砂轮,2—光纤应力棒。
具体实施方式
以下结合附图对本发明的具体实施例作进一步的详细描述。
图1示意出了现有光纤应力棒磨削过程中砂轮1与光纤应力棒2的相对位置,因在背景技术部分已作了详细描述,于此不再赘述。
如图2所示,本发明的一种光纤应力棒的加工方法,首先采用常规方法制备出光纤应力棒2,然后对光纤应力棒2进行磨削。在对光纤应力棒2进行磨削的操作中,磨削设备的砂轮1与光纤应力棒2垂直设置,且砂轮1和光纤应力棒2各自绕轴旋转的同时,二者沿光纤应力棒2的轴向相对运动。
在磨削的操作中,通常是首先采用粗磨操作对光纤应力棒2进行快速磨削,然后采用精磨操作实现光纤应力棒2的抛光。粗磨操作采用的砂轮1磨料粒度较大,且砂轮1转速较快,本实施例中砂轮1的磨料粒度为60~200目,转速为4000~10000转/分;精磨操作采用的砂轮1磨料粒度较小,且砂轮1转速较慢,本实施例中砂轮1的磨料粒度要求大于400目,转速为2000~6000转/分,具体根据光纤应力棒2的规格等确定。上述过程中,光纤应力棒2的转速最低为100转/分,最高可与机床的最高转速相同,一般为1000转/分或者更高,本实施例为250转/分。此外,本实施例使用的砂轮1直径为60~150mm,其中砂轮1的直径越大,磨削的进程也越快。
本发明的核心在于在对光纤应力棒2进行磨削的操作中,磨削设备的砂轮1与光纤应力棒2垂直设置,且砂轮1与光纤应力棒2沿光纤应力棒2的轴向相对运动实现磨削,以避免光纤应力棒2在磨削过程中产生跳动,增加加工精度,所以,其保护范围并不限于上述实施例。显然,本领域的技术人员可以对本发明进行各种改动和变形而不脱离本发明的范围和精神,例如:砂轮1的规格、磨料粒度及转速等,均可根据加工需要进行选择;磨削操作过程中,光纤应力棒2的转速也不限于实施例中的具体数值,而是根据加工要求和机床的转速在100~1000转/分范围内设定等;倘若这些改动和变形属于本发明权利要求及其等同技术的范围内,则本发明也意图包含这些改动和变形在内。

Claims (2)

1.一种光纤应力棒的加工方法,包括采用常规方法制备出光纤应力棒(2),以及对光纤应力棒(2)进行磨削的操作,其特征在于:所述对光纤应力棒(2)进行磨削的操作中,磨削设备的砂轮(1)与光纤应力棒(2)垂直设置,且砂轮(1)和光纤应力棒(2)各自绕轴旋转的同时,砂轮(1)与光纤应力棒(2)沿光纤应力棒(2)的轴向相对运动;
所述对光纤应力棒(2)进行磨削的操作中,首先采用粗磨操作对光纤应力棒(2)进行快速磨削,然后采用精磨操作实现光纤应力棒(2)的抛光;
所述粗磨操作中,砂轮(1)的磨料粒度为60~200 目;精磨操作中,砂轮(1)的磨料粒度为不小于400 目;
所述粗磨操作中,砂轮(1)的转速为4000~10000 转/ 分;精磨操作中,砂轮(1)的转速为2000~6000 转/ 分;
所述对光纤应力棒(2)进行磨削的操作中,光纤应力棒(2)的转速为100~1000 转/ 分。
2.根据权利要求1所述的一种光纤应力棒的加工方法,其特征在于:采用直径为60~150mm 的砂轮(1)进行磨削操作。
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CN105834888A (zh) * 2016-04-12 2016-08-10 苏州胜信大成光网科技有限公司 一种光纤研磨抛光方法
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