practical examples
Latest practical examples - working of aluminum
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Industry: automotive supply industry
Machined parts: cylinder head of a 4-cylinder
Type of machining: milling, hot working
Application material: GK AlSi9
Tool:
uncoated: milling head, Ø 63mm with 6 cutting inserts
coated: milling head, Ø 63mm with 3 cutting inserts, r-BeSt diamond coated
Cutting data: |
uncoated: |
r-BeSt diamond coated: |
Vc = 772 m/min |
Vc = 792 m/min |
vf = 4.200 mm/min |
vf = 4.200 mm/min |
fz = 0,18mm |
fz = 0,26mm |
ae = 50mm |
ae = 50mm |
ap = 2mm |
ap = 2mm |
Life time: |
Quantity produced: 3.500 |
Quantity produced: 7.400 |
With half the number of tool edges more than the double quantity could be produced. Besides the smooth, nanocrystalline diamond coating showed its merits with minimized built up egdes.
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Aluminium application
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Application material:
AlMg4,5Mn
Type of machining: rough/end milling
Tool: right-angle milling head Ø63mm, cutting insert with
r-BeSt-diamond coating
Cutting speed: each time 690m/min
In feed: 2500 mm/min ,1000mm/min respect.
Life time:
seven times that of an uncoated tool
Type of machining:
milling
Tool: milling cutter with
r-BeSt-diamond coating
Cutting speed: 456m/min
In feed: 1.000 mm/min
Life time uncoated: 8.000 pieces
Life time coated: 40.000 pieces
Application material:
AlSi10Mg, component-steering box
Type of machining: face milling
Tool: ODET0404APFN-441 with
r-BeSt-diamond coating
Cutting speed: 503m/min
In feed: 1600 mm/min
Life time uncoated: 1500 pieces
Life time coated: 4800 pieces
Application material:
AlSi9, pump case
Type of machining: face milling
Tool: SDEX1204AEFN-701 with
r-BeSt-diamond coating
Cutting speed: 1188m/min
In feed: 4000 mm/min
Life time uncoated: 1200 pieces
Life time coated: 3400 pieces
Application material:
AlSi4-6
Type of machining: milling
Tool: ZDCX1403-701 GH1 with
r-BeSt-diamond coating
Cutting speed: 800m/min
In feed: 3825 mm/min
Life time uncoated: 180 pieces
Life time coated: 3000 pieces
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CRP application
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Application material: CRP
Type of machining: milling
Tool: milling cutter Ø6mm with
r-BeSt-diamond coating
Cutting speed: 150 m/min
In feed: 2070 mm/min
Life time uncoated: 17,2m
Life time coated: 206,4m
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Graphite application
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Appication material : graphite
Type of machining: rough milling
Tool: milling cutter Ø 6mm with
r-BeSt-diamond coating
Cutting speed: 300 m/min
In feed: 5.500 mm/min
Life time: ca. 25-times that of an uncoated milling cutter
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