CN205673697U - A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer - Google Patents

A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer Download PDF

Info

Publication number
CN205673697U
CN205673697U CN201620598564.4U CN201620598564U CN205673697U CN 205673697 U CN205673697 U CN 205673697U CN 201620598564 U CN201620598564 U CN 201620598564U CN 205673697 U CN205673697 U CN 205673697U
Authority
CN
China
Prior art keywords
pin hole
reamer
combustion turbine
cylindrical
spiral pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201620598564.4U
Other languages
Chinese (zh)
Inventor
马桂君
张永刚
尤健
孟阳
安志伟
王伟
高岩
张德宇
刘东滨
白宇光
于军丹
韩金鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Turbine Co Ltd
Original Assignee
Harbin Turbine Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Turbine Co Ltd filed Critical Harbin Turbine Co Ltd
Priority to CN201620598564.4U priority Critical patent/CN205673697U/en
Application granted granted Critical
Publication of CN205673697U publication Critical patent/CN205673697U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Milling, Broaching, Filing, Reaming, And Others (AREA)

Abstract

A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer, it relates to a kind of spiral pin hole fraising reamer.The purpose of this utility model to solve to utilize existing reamer processing combustion turbine exhaustion cylinder spiral pin hole, the problem of the surface quality difference of pin-and-hole.A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer includes cylindrical guides, cutter hub and cylindrical knife shank, and described cylindrical guides coordinates with M27 thread Pilot hole, and the cylindrical place of described cylindrical knife shank is provided with chamfered edge groove.Advantage: the first, the problem solving machining cell poor rigidity by cylindrical guides positioning, it is ensured that the machining accuracy in combustion turbine exhaustion cylinder spiral pin hole so that it is reach drawing requirement;2nd, process chamfered edge groove at the cylindrical place of cylindrical knife shank, fix broach shell and spiral shell pin hole reamer by jackscrew, solve the not enough possibility of transmission moment of torsion;3rd, the utility model simple in construction, manufactures easily, low cost, it is simple to use on a large scale.The utility model is mainly used in reaming combustion turbine exhaustion cylinder spiral pin hole.

Description

A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer
Technical field
The utility model relates to a kind of spiral pin hole fraising reamer.
Background technology
There is a spiral pin hole at the cylinder body of combustion turbine exhaustion cylinder, after brill, expansion Ф 38 pin-and-hole, need reamer to ream, due to cylinder body Internal structure limits, as nearly meeting and Workpiece structure are crossed in distance work pieces process position when the corner attachments of CMT machining center is processed Interfere, it is necessary to using lengthening knife bar to ream, then reaming with the reamer of standard, the surface quality of pin-and-hole is very poor, does not reaches figure Paper requires, this is accomplished by us and takes measures to solve this difficult problem.
Utility model content
The purpose of this utility model to solve to utilize existing reamer processing combustion turbine exhaustion cylinder spiral pin hole, the surface of pin-and-hole Ropy problem, and a kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer is provided.
A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer includes cylindrical guides, cutter hub and cylindrical knife shank, institute The cylindrical guides stated and M27 thread Pilot hole are 0.01mm~0.02mm matched in clearance, and the cylindrical place of described cylindrical knife shank sets There is chamfered edge groove.
The utility model advantage: the first, the problem solving machining cell poor rigidity by cylindrical guides positioning, it is ensured that combustion The machining accuracy in gas-turbine exhaust casing spiral pin hole so that it is reach drawing requirement;2nd, chamfered edge is processed at the cylindrical place of cylindrical knife shank Groove, fixes broach shell and spiral shell pin hole reamer by jackscrew, solves the not enough possibility of transmission moment of torsion;3rd, the utility model simple in construction, Manufacture easily, low cost, it is simple to use on a large scale.
Brief description
Fig. 1 is the front view of combustion turbine exhaustion cylinder spiral pin hole fraising reamer described in detailed description of the invention one, in figure 1 Represent cylindrical guides, 2 expression cutter hub in figure, 3 expression cylindrical knife shank in figure;
Fig. 2 is the left view of combustion turbine exhaustion cylinder spiral pin hole fraising reamer described in detailed description of the invention one, 3-1 in figure Represent chamfered edge groove;
Fig. 3 is the top view of combustion turbine exhaustion cylinder spiral pin hole fraising reamer described in detailed description of the invention one, 1 table in figure Show cylindrical guides, 2 expression cutter hub in figure, 3 expression cylindrical knife shank in figure;
Fig. 4 is combustion turbine exhaustion cylinder spiral pin hole fraising reamer working state schematic representation, 4 table in figure described in embodiment 1 Showing cylindrical hole broach shell, 5 expressions in figure hold out against screw, 6 expression combustion turbine exhaustion cylinder in figure.
Detailed description of the invention
Detailed description of the invention one: combine Fig. 1 to Fig. 3, present embodiment is the fraising of a kind of combustion turbine exhaustion cylinder spiral pin hole Including cylindrical guides the 1st, cutter hub 2 and cylindrical knife shank 3 with reamer, described cylindrical guides 1 and M27 thread Pilot hole are 0.01mm~0.02mm matched in clearance, the described cylindrical place of cylindrical knife shank 3 is provided with chamfered edge groove 3-1.
Fig. 1 is the front view of combustion turbine exhaustion cylinder spiral pin hole fraising reamer described in detailed description of the invention one, in figure 1 Represent cylindrical guides, 2 expression cutter hub in figure, 3 expression cylindrical knife shank in figure.
Fig. 2 is the left view of combustion turbine exhaustion cylinder spiral pin hole fraising reamer described in detailed description of the invention one, 3-1 in figure Represent chamfered edge groove.
Fig. 3 is the top view of combustion turbine exhaustion cylinder spiral pin hole fraising reamer described in detailed description of the invention one, 1 table in figure Show cylindrical guides, 2 expression cutter hub in figure, 3 expression cylindrical knife shank in figure.
Detailed description of the invention two: the difference from detailed description of the invention one for the present embodiment is: the diameter of described cutter hub 2 For 38mm, a length of 80mm.Other are identical with detailed description of the invention one.
Detailed description of the invention three: the difference from detailed description of the invention one for the present embodiment is: described cylindrical knife shank 3 A diameter of 38mm.Other are identical with detailed description of the invention one.
Detailed description of the invention four: the difference from detailed description of the invention one for the present embodiment is: described chamfered edge groove 3-1 A length of 70mm, width is 16mm.Other are identical with detailed description of the invention one.
Use following verification experimental verification the utility model effect
Embodiment 1: combine Fig. 1 to Fig. 4, present embodiment is a kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer bag Including cylindrical guides the 1st, cutter hub 2 and cylindrical knife shank 3, described cylindrical guides 1 and M27 thread Pilot hole are that 0.02mm gap is joined Closing, the described cylindrical place of cylindrical knife shank 3 is provided with chamfered edge groove 3-1;A diameter of 38mm of described cutter hub 2, a length of 80mm;Institute A diameter of 38mm of the cylindrical knife shank 3 stated;The a length of 70mm of described chamfered edge groove 3-1, width is 16mm.
Utilize the method in combustion turbine exhaustion cylinder spiral pin hole fraising reamer processing combustion turbine exhaustion cylinder spiral pin hole, specifically Complete according to the following steps: the first, process M27 thread Pilot hole: first by M27 thread Pilot hole standard at combustion turbine exhaustion cylinder M27 thread Pilot hole in spiral pin hole is processed at cylinder body;2nd, pin hole processing: first depend at the pin-and-hole in spiral pin hole by Ф 38 pin-and-hole standard The cylindrical knife shank 3 of spiral shell pin hole reamer, to Ф 37.7, is loaded the cylindrical hole broach shell being connected with lathe corner attachments by secondary brill, expansion In, and hold out against, with two, the tapped through hole that screw passes through the cylindrical place of cylindrical hole broach shell, hold out against the chamfered edge groove 3-at cylindrical knife shank 3 At 1, make cylindrical hole broach shell fix with spiral shell pin hole reamer, start in the pin-and-hole that spiral shell pin hole reamer is put in Ф 37.7 by lathe, cylinder Shape guide pillar 1 coordinates prior to thread Pilot hole contact, then carries out fraising processing, until fraising completes, exits spiral shell pin hole reamer, i.e. complete Become processing combustion turbine exhaustion cylinder spiral pin hole.
Fig. 4 is combustion turbine exhaustion cylinder spiral pin hole fraising reamer working state schematic representation, 4 table in figure described in embodiment 1 Showing cylindrical hole broach shell, 5 expressions in figure hold out against screw, 6 expression combustion turbine exhaustion cylinder in figure.
By detection, surface quality Ra1.6 in processing combustion turbine exhaustion cylinder spiral pin hole, the processing of existing method obtains Surface quality Ra3.2 in combustion turbine exhaustion cylinder spiral pin hole.

Claims (1)

1. a combustion turbine exhaustion cylinder spiral pin hole fraising reamer, it is characterised in that the fraising of combustion turbine exhaustion cylinder spiral pin hole is used Reamer includes cylindrical guides (1), cutter hub (2) and cylindrical knife shank (3), described cylindrical guides (1) and M27 thread Pilot hole For 0.01mm~0.02mm matched in clearance, the described cylindrical place of cylindrical knife shank (3) is provided with chamfered edge groove (3-1).
CN201620598564.4U 2016-06-17 2016-06-17 A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer Active CN205673697U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620598564.4U CN205673697U (en) 2016-06-17 2016-06-17 A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620598564.4U CN205673697U (en) 2016-06-17 2016-06-17 A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer

Publications (1)

Publication Number Publication Date
CN205673697U true CN205673697U (en) 2016-11-09

Family

ID=57431623

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620598564.4U Active CN205673697U (en) 2016-06-17 2016-06-17 A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer

Country Status (1)

Country Link
CN (1) CN205673697U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001771A (en) * 2016-06-17 2016-10-12 哈尔滨汽轮机厂有限责任公司 Screw pin hole reamer and method for machining screw pin hole of exhaust cylinder of gas turbine by means of screw pin hole reamer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106001771A (en) * 2016-06-17 2016-10-12 哈尔滨汽轮机厂有限责任公司 Screw pin hole reamer and method for machining screw pin hole of exhaust cylinder of gas turbine by means of screw pin hole reamer

Similar Documents

Publication Publication Date Title
CN205764062U (en) A kind of dead eye process tool
WO2013143348A1 (en) Twist drill for drilling fine holes on high-strength and high-hardness alloy material
CN205673697U (en) A kind of combustion turbine exhaustion cylinder spiral pin hole fraising reamer
CN203817514U (en) Involute spline broach
CN103537751B (en) A kind of involute spline broach
CN106001771B (en) Utilize the method in spiral shell pin hole reamer processing combustion turbine exhaustion cylinder spiral pin hole
CN103192230B (en) Deep hole processing method and the slip casting block prepared
CN203448723U (en) Integrated hard alloy drilling, enlarging, reaming and squeezing cutter
CN106553021B (en) Axial plunger pump cylinder body processing method
CN204413230U (en) Deep hole drill drill bushing
CN106270781A (en) A kind of PRECISION HOLE reaming device and method
CN206296500U (en) A kind of gang tool
CN202398867U (en) Combined type multifunctional countersink drill
CN203664831U (en) Floating adjustable reaming device for lathes
CN204248448U (en) A kind of speed lathe camshaft positioning device
CN103658775A (en) Blind hole combined drill reamer
CN201889550U (en) Expanding and reaming extrusion tool
CN203390262U (en) Chamfering bit with locating column
CN202162424U (en) Stepped through-hole drill
CN205271029U (en) Process reamer that mills that soft -magnetic stainless steel connect pole drill way
CN105081469A (en) PCD molding reamer
CN203804246U (en) Boring tool
CN202447945U (en) Floating knife handle for processing valve seat
CN205393679U (en) Anti - tapering reamer of dextrorotation is cut on a left side
CN203817885U (en) Main shaft tool changing mechanism centering inspection tool

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant