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Contact detection device for blade wax model of gas turbine engine and detection method thereof

A technology of engine blades and detection devices, applied in the direction of measurement devices, instruments, etc., can solve problems such as measurement result errors, and achieve the effects of improving rigidity, improving accuracy, and improving consistency

Pending Publication Date: 2019-02-19
JIANGSU JICUI ADVANCED METAL MATERIAL RES INST CO LTD
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Problems solved by technology

[0008] The invention aims at the problem that when the three-coordinate measuring machine is measuring the wax model, the measurement probe contacts the blade body, resulting in large errors in the measurement results, and uses the same material as the blade model to melt and connect the suspended end of the blade with the bracket to achieve a fixed model for the purpose of measuring

Method used

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  • Contact detection device for blade wax model of gas turbine engine and detection method thereof
  • Contact detection device for blade wax model of gas turbine engine and detection method thereof
  • Contact detection device for blade wax model of gas turbine engine and detection method thereof

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Embodiment Construction

[0029] refer to figure 1 and 2 ,

[0030] A contact detection device for a gas turbine engine blade wax pattern, the detection device includes a base 1, a craft ball 2, a blade wax pattern 8 and a measuring device; the measuring device includes a vertical bar 3, a horizontal bar 4, a chemical material port 5. The heating device 6 and the clamping device 9; the base 1 is set on the coordinate measuring machine; the craft ball 2 is fixed on the base 1 for positioning; the vertical rod 3 is vertically fixed on the base 1; The cross bar 4 is movably connected with the vertical bar 3, and the height of the cross bar 4 is adjustable; the chemical material opening 5 is fixed on the cross bar 4; the chemical material opening 5 is provided with a heating device 6; the blade wax The mold 8 is clamped vertically on the base 1 with a clamping device 9; the top of the blade wax mold 8 is fixedly provided with a wax mold riser 7, which is used to bond with the wax material that is natural...

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Abstract

The invention provides a contact detection device for a blade wax model of a gas turbine engine and a detection method thereof. The detection device comprises a base, a process ball, the blade wax model and a measuring device. The measuring device comprises a vertical rod, a cross rod, a material melting port, a heating device and a clamping device. The detection device and the detection method can effectively improve the rigidity of the to-be-detected wax model, can ensure that repeatability and reproducibility requirements of a measuring system can be met in the measuring process, and can improve the accuracy of detecting the size of the wax model; the accurate control of the material melting amount by a material melting mechanism, the position and the height of the material melting portcan be realized by the design of the material melting mechanism, and differences in fixing strengths and positions of the wax model when manually melting the material and welding can be effectively improved, so that the welding consistency is improved.

Description

technical field [0001] The invention relates to the field of contact measurement, in particular to a precision casting contact detection device and method for a wax model of a gas turbine engine blade. Background technique [0002] Gas turbine engines are widely used in aerospace, energy, ships and other fields. As the core components of turbine engines, turbine blades have the characteristics of complex structure, many measurement parameters, and high manufacturing accuracy requirements. Their dimensional accuracy directly affects the performance of gas turbine engines. Thermal efficiency and service life. Due to the special structure of turbine blades, precision investment casting is the best way to manufacture turbine blades under the existing technical conditions. The performance index of the mold material is directly related to the quality of the precision casting, and directly affects the dimensional accuracy and quality of the precision casting. Since the chemical s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/00
CPCG01B21/00
Inventor 刘飞扬孙朔郭万军陈琳琳
Owner JIANGSU JICUI ADVANCED METAL MATERIAL RES INST CO LTD
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