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Method for processing vane pump rotor slots and clamp therein

A processing method and vane pump technology, applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of difficult guarantee of processing accuracy, high labor intensity of workers, low efficiency, etc., and achieve simple structure and high processing efficiency , the effect of easy operation

Inactive Publication Date: 2011-08-17
NINGBO HONGBO MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This processing method not only has low efficiency and high labor intensity, but also because it is single-sided milling, the milling force is directly applied to the fixture, causing large vibrations, and the processing accuracy is not easy to guarantee.
Due to the above defects, the traditional rotor slot milling and slotting process can only mill rotor slots with a width ≥ 1mm

Method used

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  • Method for processing vane pump rotor slots and clamp therein
  • Method for processing vane pump rotor slots and clamp therein
  • Method for processing vane pump rotor slots and clamp therein

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Experimental program
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Embodiment Construction

[0022] like Figure 1~4 As shown, the processing method of the vane pump rotor groove of the present invention is to position and clamp 4-8 vane pump rotors 3 on the positioning mandrel 4 at the same time with the center hole 1 and the end face of the vane pump rotor 3, and then place the positioned The clamped assembly is positioned and clamped on the spindle of the CNC double-headed milling machine based on the center hole 7 of the positioning mandrel 4; the two symmetrically arranged milling cutters 8 simultaneously carry out the two symmetrical rotor grooves 2 of the multi-piece vane pump rotor. Milling process: After the milling process of the two symmetrical slots 2 is completed, the milling machine numerically controls the indexing to carry out the milling process of the next two symmetrical slots 2 until all the milling of the rotor slots 2 of the vane pump is completed. The processing method of the vane pump rotor groove of the present invention adopts multi-piece cla...

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Abstract

The invention aims at providing a method for processing vane pump rotor slots and a clamp therein, which can process multiple vane pump rotor slots simultaneously and process narrower rotor slots. The method for processing vane pump rotor slots to achieve the purpose of the invention comprises the following steps of: (1) clamping two or more vane pump rotors simultaneously; (2) milling two symmetrical slots of each clamped vane pump rotor simultaneously by using a numerical control duplex head milling machine; and (3) controlling indexing, and milling the next two symmetrical slots of each clamped vane pump rotor simultaneously by using the milling machine till all the lots are milled.

Description

technical field [0001] The invention relates to a processing method of a vane pump rotor and a fixture thereof, in particular to a processing method of a vane pump rotor groove and a fixture thereof. Background technique [0002] The vane pump is a widely used basic hydraulic component, and each vane pump will have a rotor, such as figure 1 , 2 As shown, each rotor has several rotor slots 2 for placing blades. Because the thickness of the blade will affect the performance of the vane pump, it is generally required to use thinner blades as much as possible while ensuring the strength of the rotor and blades, so that the instantaneous flow rate of the vane pump will be more uniform and the performance will be more superior. . In the processing of the rotor slot, the method of milling the slot first and then grinding is used. When the blade is selected to be relatively thin, the width of the rotor slot is required to be narrower, which brings difficulties to the processing o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C3/28B23Q3/06
Inventor 何衍施红飞
Owner NINGBO HONGBO MACHINERY MFG