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Auxiliary device for machining of oil supply crossed hole of turbine pump and machining and detecting method

An auxiliary device and turbo pump technology, which is applied in the direction of drilling molds for workpieces, mechanical devices, measuring devices, etc., can solve problems such as high cost and difficult processing, and achieve efficiency improvement, tool breakage avoidance, and flexible process control. Effect

Active Publication Date: 2018-05-08
航天科工哈尔滨风华有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide an auxiliary device and a processing and detection method for machining the oil supply cross hole of a turbo pump, so as to solve the problems of difficulty and high cost in processing the oil supply cross hole of the existing turbo pump

Method used

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  • Auxiliary device for machining of oil supply crossed hole of turbine pump and machining and detecting method
  • Auxiliary device for machining of oil supply crossed hole of turbine pump and machining and detecting method
  • Auxiliary device for machining of oil supply crossed hole of turbine pump and machining and detecting method

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Embodiment Construction

[0031] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] Such as Figure 1 to Figure 5 As shown, an auxiliary device for turbo pump oil supply cross hole machining according to the present invention includes a slanted hole machining limit block 1 and an angle positioning pad 3;

[0033] The processing limit block 1 is installed in the stepped hole at the upper end of the turbo pump housing 2, and the turbo pump housing 2 is placed on the inclined end surface of the angle positioning pad 3;

[0034] The upper end face of described processing limit block 1 is provided with processing groove, and the bottom end face of processing groove is processing platform 101, has the limit hole 102 that runs through on the process platform 101; The extension line of axis of described limit hole 102 and The axes of the straight holes 202 on the turbo pump casing 2 intersect;

[0035] The angle A formed betw...

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Abstract

The invention relates to an auxiliary device for machining of an oil supply crossed hole of a turbine pump and a machining and detecting method and belongs to the technical field of machining. The auxiliary device for machining of the oil supply crossed hole of the turbine pump and the machining and detecting method are used for solving the problems that as for existing oil supply crossed holes ofturbine pumps, machining is difficult, cost is high, and detecting is difficult. A machining limiting block is installed in a stepped hole in the upper end of a turbine pump shell, and the turbine pump shell is placed on the inclined end face of an angle positioning cushion block. A machining groove is formed in the upper end face of the machining limiting block, a machining platform is arrangedon the bottom end face of the machining groove, and a through limiting hole is formed in the machining platform. The included angle A formed by the machining platform and the upper end face of the machining limiting block is equal to the included angle B formed between the inclined end face of the angle positioning cushion block and the horizontal direction. By means of the auxiliary device for machining of the oil supply crossed hole of the turbine pump and the machining and detecting method, the machining mode of the oil supply crossed hole of the turbine pump can be simplified, and machining difficulty is reduced.

Description

technical field [0001] The invention relates to an auxiliary device and a processing method for machining a cross hole, in particular to an auxiliary device, a detection device and a processing and detection method for machining a turbo pump oil supply cross hole, belonging to the technical field of machining. Background technique [0002] The cross hole diameter of pump products is generally small, and the hole depth is deep. At present, most manufacturing units use five-axis CNC machine tools to process cross holes, which can accurately ensure the accuracy of hole positions. However, the drilling process takes a long time on the five-axis machine tool, and the processing cost is high; the hole depth is large, chip removal is difficult, and there are high requirements for the quality of the tool and the rationality of the cutting parameter design; the small hole size and long The extended length of the drill bit makes the tool prone to deflection during the machining proce...

Claims

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Application Information

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IPC IPC(8): B23B41/14B23B35/00B23B47/28G01B5/00
CPCB23B35/00B23B41/14B23B47/28B23B2247/10G01B5/00
Inventor 方堃
Owner 航天科工哈尔滨风华有限公司
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