Siemens SINUMERIK 840Di Function Manual page 1828
Basic machine
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Detailed Description
2.10 Working with tool environments
N120
N130
N140
N150
N160
Kinematic transformation, toolholder with orientation capability
If a toolholder with orientation capability is taken account of during the tool length calculation,
the following vectors are included in that calculation:
Type
M
T
P
In generic 5-axis transformation, the following machine data are included in the tool length
calculation for transformer types 24 and 56:
Transformer
type
24
56
Transformation type 56 corresponds to type M for a toolholder with orientation capability.
With this 5-axis transformation in the software versions used up to now, the vector
MD 24560/24660 $MC_TRAFO5_JOINT_OFFSET_1/2 is equivalent to the sum of the two
vectors l
Only the sum is relevant for the transformation in both cases.
The way, in which the two individual components are composed, is insignificant.
When calculating the tool length, however, the component assigned to the tool and the
component assigned to the tool table is relevant.
A new machine data:
MD24558/24658 $MC_TRAFO5_JOINT_OFFSET_PART_1/2
has thus been introduced as an equivalent to vector l
Machine data:
MD24560/24660 $MC_TRAFO5_JOINT_OFFSET_1/2
no longer corresponds to the sum of l
If machine data:
MD24558/24658 $MC_TRAFO5_JOINT_OFFSET_PART_1/2 is equal to zero,
the new behavior is the same as before.
2-148
r1 = GETTCOR(_LEN, "GW")
r3 = _LEN[2]
r4 = _LEN[3]
r5 = _LEN[4]
m30
Vectors
l
and l
1
2
l
, l
and l
1
2
3
Tool length is not influenced by the toolholder with orientation capability.
Machine data
MD24550/24650 $MC_TRAFO5_BASE_TOOL_1/2
MD24560/24660 $MC_TRAFO5_JOINT_OFFSET_1/2
MD24558/24658 $MC_TRAFO5_PART_OFFSET_1/2
MD24550/24650 $MC_TRAFO5_BASE_TOOL_1/2
MD24560/24660 $MC_TRAFO5_JOINT_OFFSET_1/2
and l
for a toolholder with orientation capability type M.
1
3
; 17.0 (= 4.0 + 13.0)
; 7.5 (= 0.5 * 3.0 + 0.5 * 12.0)
; 19.0 (= 5.0 + 14.0)
.
3
and l
, but only to vector l
1
3
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
.
1
Tool Compensation (W1)
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