MANOK plus
Use and limits of use
44
Order h49 7144.907-333
5.2.5.3 Further to Principle 3:
𝑭
𝒄
≤ 𝑭
𝒄 𝒎𝒂𝒙
The cutting force for turning operations can achieve very
high levels, especially if the workpiece does not protrude far,
although machining involves no slip or leverage forces that
could displace the workpiece. Therefore the cutting force
also needs to be limited to reflect the size of the clamping
head chuck to prevent damage to the clamping head chuck.
Size of the clamp-
ing head chuck
Up to total chuck
length
𝑳[𝒎𝒎]
𝑭
𝒄 𝒎𝒂𝒙
[𝑵]
32
< 120
1900
42
< 125
3600
52
< 125
3600
65
< 140
5000
80
< 140
6000
100
< 160
8000
125
< 200
12000
140
< 200
12500
160
< 200
14000
Table 13: Maximum permitted cutting force
On extended chuck versions, the ratio of maximum permitted
cutting force to chuck lengths needs to be reduced. For ex-
ample, size 32 with
𝐿 = 150𝑚𝑚
120𝑚𝑚
150𝑚𝑚
∗ 1900𝑁 = 1520𝑁
5.2.5.4 Further to Principle 4:
𝑭
𝒒
≤ 𝑭
𝒒 𝒎𝒂𝒙
With drilling operations radial to the workpiece axis, the feed
force of the tool generates transverse forces that ultimately
act on the clamping head chuck. The application of this load
during drilling operations should be viewed as equivalent to
the cutting force exerted by a turning process. Accordingly,
it also has to be limited. Consult the following table for the
permitted maximum values.
Feed force occurring while drilling
𝐹
𝐵
[transverse force]
[drilling of solid materials, double-bladed tool, direction of
machining at an angle of 90° to the chuck axis]
𝐹
𝑞
= 𝐹
𝐵
= 0.45 ∗ 𝐷
𝐵
∗ 𝑓
𝑛
∗ 𝑘
𝑐
INFORMATION
𝑘
𝑐
from Table 9
Содержание MANOK
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