CN2582799Y - 汽轮机转子叶根槽波刃立铣刀 - Google Patents

汽轮机转子叶根槽波刃立铣刀 Download PDF

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CN2582799Y
CN2582799Y CN 02288215 CN02288215U CN2582799Y CN 2582799 Y CN2582799 Y CN 2582799Y CN 02288215 CN02288215 CN 02288215 CN 02288215 U CN02288215 U CN 02288215U CN 2582799 Y CN2582799 Y CN 2582799Y
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turbine rotor
cutting
edge
cutter
wave
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CN 02288215
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吴天明
吴彤人
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Shanghai Electric Power Generation Equipment Co Ltd
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Shanghai Steam Turbine Co ltd
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Abstract

本实用新型涉及金属切削机械加工工具。一种汽轮机转子叶根槽波刃立铣刀,包括刀头(1)、刀柄(2)、切削刃(3),切削刃为波刃型,切削刃的长度为加深槽深度尺寸加长3~10毫米。经过使用证明,使用该波刃立铣刀加大了切削的转速和走刀量,其切削速度较普通立铣刀提高了2~3倍,同时也减少了刀具的更换次数,从而大大提高了加工效率,降低了制造所需的刀具成本。

Description

汽轮机转子叶根槽波刃立铣刀
技术领域
本实用新型涉及金属切削机械加工工具。
技术背景
目前,国内外汽轮机纵树型叶根槽加深刀采用普通立铣刀。在加工汽轮机纵树型叶根加深槽时,存在每分钟走刀量小,刀具更换频繁的问题。特别在大规模机械加工过程中,由于辅助工序的延长,从而影响到工作效率的提高。
发明内容
本实用新型的目的是为了解决小直径普通立铣刀在加深槽加工过程中,加工速度慢而且容易断裂的问题。
本实用新型是这样实现的,一种汽轮机转子叶根槽波刃立铣刀,包括刀头、刀柄、切削刃,切削刃为波刃型。
上述的汽轮机转子叶根槽波刃立铣刀中,所述切削刃的长度为加深槽深度尺寸加长3~10毫米。
本实用新型采用波刃立铣刀,铣刀刀刃外圆呈波纹状,出屑细小,切削力小,可加大切削的转速和走刀量,一把刀即可切削完成一级轮槽的加工,提高了铣刀的切削性能和加工效率,从而解决了普通立铣刀的切削性能差、加工效率低和铣刀更换频繁的问题。
附图说明
图1汽轮机转子叶根槽波刃立铣刀示意图,图2为汽轮机转子叶根槽波刃立铣刀波刃示意图。
图中:1为刀头,2为刀柄,3为切削刃。
最佳实施方式
参见图1、图2所示,一种汽轮机转子叶根槽波刃立铣刀,包括刀头1、刀柄2、切削刃3,切削刃3为波刃型,切削刃3的长度为加深槽深度尺寸加长3~10毫米,在本实施例中,波刃齿形节距a为1.2毫米,齿深h为0.3毫米,圆弧半径R为0.38毫米,切削刃3的长度为加深槽深度尺寸加长5毫米。
经过实践使用证明,使用该波刃立铣刀加大了切削的转速和走刀量,其切削速度较普通立铣刀提高了2~3倍,同时也减少了刀具的更换次数,从而大大提高了加工效率,降低了制造所需的刀具成本。

Claims (2)

1、一种汽轮机转子叶根槽波刃立铣刀,包括刀头(1)、刀柄(2)、切削刃(3),其特征在于切削刃(3)为波刃型。
2、根据权利要求1所述的汽轮机转子叶根槽波刃立铣刀,其特征在于切削刃(3)的长度为加深槽深度尺寸加长3~10毫米。
CN 02288215 2002-12-11 2002-12-11 汽轮机转子叶根槽波刃立铣刀 Expired - Lifetime CN2582799Y (zh)

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CN 02288215 CN2582799Y (zh) 2002-12-11 2002-12-11 汽轮机转子叶根槽波刃立铣刀

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CN 02288215 CN2582799Y (zh) 2002-12-11 2002-12-11 汽轮机转子叶根槽波刃立铣刀

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436586A (zh) * 2015-12-25 2016-03-30 苏州三骏工具科技有限公司 一种加长铣刀
CN108188458A (zh) * 2017-12-01 2018-06-22 哈尔滨汽轮机厂有限责任公司 一种用于加工叶片叶根槽的铣削方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105436586A (zh) * 2015-12-25 2016-03-30 苏州三骏工具科技有限公司 一种加长铣刀
CN108188458A (zh) * 2017-12-01 2018-06-22 哈尔滨汽轮机厂有限责任公司 一种用于加工叶片叶根槽的铣削方法

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHANGHAI ELECTRIC POWER STATION EQUIPMENT CO.

Free format text: FORMER OWNER: SHANGHAI TURBINE CO., LTD.

Effective date: 20080509

C41 Transfer of patent application or patent right or utility model
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Effective date of registration: 20080509

Address after: No. 188, Chun Chun Road, Shanghai, Minhang: 201100

Patentee after: Shanghai Electric Station Equipment Co., Ltd.

Address before: No. 333, Jiangchuan Road, Shanghai, Minhang District: 200240

Patentee before: Shanghai Steam Turbine Co., Ltd.

C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20121211

Granted publication date: 20031029