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Aerospace-Machining of aluminum alloy gearbox housing

2020-09-07 13:37:57

摘自: https://mp.weixin.qq.com/s/EF28-ru8MhTWr4zi8DqjBQ

 

pcd grinding

 

● Originally used cemented carbide forming tools for cutting. The main reasons for tool scrapping are sticky chips, tool tip wear, poor surface roughness, and tool marks. The machining dimensional accuracy is poor and unstable. Products need to be fully inspected before they can be delivered. The bearing hole needs to be bored to meet the accuracy requirements. low efficiency.

 

● After using More Super Hard PCD forming tools, PCD tools have excellent wear resistance, high surface finish and dimensional stability, tool life is improved, and cutting efficiency is doubled. PCD tool has high dimensional stability and dimensional accuracy is as high as 0.003. Save a lot of processing man-hours.

 

More Super Hard PCD forming tools VS cemented carbide forming tools

Workpiece: aero engine gearbox, cast aluminum A380

Workpiece: aero engine gearbox, cast aluminum A380

Tools used: More Super Hard PCD forming tools

Tools used: cemented carbide forming tools

Number of tools required: 11

Number of tools required: 14

Processing time: 2’23”

Processing time: 3’47”

Cost per tool: 0.8

Cost per tool:1.3

Roughness: Ra0.4μm

Roughness: Ra1.6μm

Cutting fluid: water-soluble cutting fluid

Cutting fluid: water-soluble cutting fluid

Tool life: 35,000 pieces

Tool life: 8000 pieces

More Super Hard PCD forming tools are 4 times of hard forming tools

More Super Hard CBN inserts are 1.5 times more efficient than carbide inserts

More Super Hard CBN inserts have two higher surface roughness levels, with a dimensional accuracy of up to 0.005mm

 

 



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