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Complexity
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2019
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Article
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Tab 1
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Research Article
A Recognition Methodology for the Key Geometric Errors of a Multi-Axis Machine Tool Based on Accuracy Retentivity Analysis
Table 1
Geometric error terms of the four-axis machine tool.
Errors sources
Symbols
Number
X
-axis
δ
xx
,
δ
yx
,
δ
zx
,
ε
xx
,
ε
yx
,
ε
zx
1, 2, 3, 4, 5, 6
Y
-axis
δ
xy
,
δ
yy
,
δ
zy
,
ε
xy
,
ε
yy
,
ε
zy
7, 8, 9, 10, 11, 12
Y
-axis
δ
xz
,
δ
yz
,
δ
zz
,
ε
xz
,
ε
yz
,
ε
zz
13, 14, 15, 16, 17, 18
B
-axis
δ
xb
,
δ
yb
,
δ
zb
,
ε
xb
,
ε
yb
,
ε
zb
19, 20, 21, 22, 23, 24
Interaxis
γ
xy
,
β
xz
,
α
yz
,
α
yb
,
γ
yb
,
δ
zby
25, 26, 27, 28, 29, 30