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Machining method of steam seal measuring snap-gauge

A processing method and card board technology, which can be applied to measuring devices, mechanical measuring devices, instruments, etc., can solve the problems of complex structure, long processing cycle and high manufacturing cost, meet the requirements of uniform hardness, improve processing efficiency and reduce scrap rate. Effect

Active Publication Date: 2016-05-11
HARBIN TURBINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the complex structure of this measuring tool, high profile accuracy requirements, dimensional tolerance of 0.02mm, and shape and position tolerance of 0.01mm, but the manufacturing cost is high and the processing cycle is long. In order to reduce costs, improve production efficiency, and meet the design requirements at the same time, it is necessary to develop A set of machining methods for the part

Method used

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  • Machining method of steam seal measuring snap-gauge
  • Machining method of steam seal measuring snap-gauge

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specific Embodiment approach 1

[0022] Specific implementation mode one: combine Figure 1-Figure 2 To illustrate this embodiment, the processing method of a steam seal measuring clamp described in this embodiment is carried out according to the following steps:

[0023] Step 1, prepare the rough blank: prepare the cuboid blank, and install the cuboid blank on the milling machine to mill the blank. The length of the blank milling process is 160.5mm, and the width of the blank milling process is 30.5mm. The height of the milling process is 74mm, the speed of the milling cutter is 350r / min, and the feed rate of the milling cutter is 0.4mm / r;

[0024] Step 2. Rough machining of the side of the blank: the rectangular parallelepiped blank is installed on a grinding machine to roughly grind the rectangular parallelepiped blank, and the four sides of the rectangular parallelepiped blank are ground with a size of 160.5mm×74mm. After grinding, the size of each side is 160mm ×74mm, grind the two end faces of the cubo...

specific Embodiment approach 2

[0038] Specific implementation mode two: combination Figure 1-Figure 2 Describe this embodiment, a method for processing a steam seal measuring clamp described in this embodiment, the specific steps of the method are as follows: in the sixth step, the intersection of the first side C and the threaded hole 2 is processed with a chamfer. The width of the chamfer is h, and h is 1mm. Other steps and parameters are the same as in the first embodiment.

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Abstract

The invention relates to a machining method of a steam seal measuring snap-gauge, and solves the problems that in the prior art, a steam seal measuring snap-gauge is high in manufacturing cost, and long in machining period. The machining method comprises the following specific steps: 1, preparing a blank; 2, roughly machining the side surfaces of the blank; 3, machining a circular arc on the upper surface of the blank; 4, conducting clean-up processing; 5, polishing; 6, drilling threaded holes; 7, finely machining the side walls of a straight slot; 8, roughly machining a measuring tooth; 9, chamfering; 10, conducting heat treatment on the measuring tooth; 11, polishing the measuring tooth; 1, finely machining the measuring tooth; 13, finely grinding the measuring tooth; 14, finely grinding the slope of the measuring tooth; and 15, chamfering and finely grinding the measuring tooth. The machining method is used in the machining field of steam seal measuring snap-gauges.

Description

technical field [0001] The invention relates to a processing method of a vapor seal measuring clamp. Background technique [0002] The steam seal measuring clamp is a measuring tool used when installing the steam seal device on the steam turbine. The steam seal device is used to prevent air leakage in various gaps when the steam turbine is working and ensure the normal and safe operation of the steam turbine. Therefore, the steam seal measuring clamp is a important gage. Due to the complex structure of this measuring tool, high profile accuracy requirements, dimensional tolerance of 0.02mm, and shape and position tolerance of 0.01mm, but the manufacturing cost is high and the processing cycle is long. In order to reduce costs, improve production efficiency, and meet the design requirements at the same time, it is necessary to develop A set of machining methods for the part. Contents of the invention [0003] In order to solve the problem of high manufacturing cost and lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00G01B5/00
Inventor 徐桂菊孙成慧栗磊齐莹莹
Owner HARBIN TURBINE
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