精加工表面精度
Surface
roughness
Ra(μm)
Small
Double
Sided
Tooling
自动车床·小零件加工用负角刀片
以双面式样实现刀尖数倍增!!
发挥了
经济性及稳定性
Both
edge
usable
by
double-faced
Design.
Compared
to
the
positive
type,
the
double-faced
design
is
cheaper
and
more
stable.
■切削面粗精度比较(锐利刀尖式样)
Surface
roughness
comparison
(sharp
edge)
2.0
负角型
Negative
Type
DNGU080302MFR-U
(PR1025)
1.5
1.0
新设计的小型负角刀片用刀杆
不会导致刀塔的安装位置受限
No
constraint
of
tool
posision
against
tool
post
into
the
newly
designed
small
negative
insert
以往的负角刀片刀杆存在同副夹头发生干涉的可能性
The
conventional
toolholders
for
negative
insert
possibly
interferes
with
sub
spindle
0.5
正角型
Positive
Type
DCGT11T302MFR-U
(PR1025)
主夹头
Main
Spindle
0.0
0
10
20
30
40
50
加工时间（min）
＜切削条件＞被切削材料：S45C
Vc=100m/min,
ap=1.5mm
f=0.03mm/rev
湿式
Wet
副夹头
Sub
Spindle
与副夹头不发生干涉
No
interferance
with
sub
spindle
(本公司评价)
In
house
evaluation
G级(研磨级)的刀尖圆弧角Ｒ尺寸公差
采用了
负公差
Minus
tolerance
for
Corner-R
of
G
class
(ground)
insert
M:R角表示负公差
M:
indicates
minus
tolerance
for
corner-R
=
刀尖圆弧角R
Corner-R
(minus
tolerance)
例
Example
图纸指示R
Corner-R
on
the
drawing
2
倍!!
小零件加工用负角刀片
Small
Negative
Insert
刀尖数为
able
●加工实例
Case
Studies
以往正角刀片
Positive
Insert
CNGU070301M
F
R
-
U
CNGU070301M
E
R
-
U
锐利刀尖
刀尖带圆弧处理
Sharp
edge
With
Honing
刀片左右手
断屑槽形状
刀片的左右手
断屑槽形状
Hand
Chipbreaker
shape
Hand
Chipbreaker
shape
●推荐条件
Recommended
Cutting
Conditions
・
插销
Pin
SCM415
材质
Grade
PR1005
被切削材料
Work
material
快速钢
Free-cutting
steel
切削速度(m/min)
Cutting
speed
100
（60～150）
PR1025
・
Vc=120m/min
・
ap=1.5mm
・
f=0.08mm/rev
一般钢、不锈钢
Steel,
Stainless
Steel
●适用领域
Application
range
100
（60～150）
中速
・
湿式
Wet
CNMU070304E-GK
PR1025
4800个/刀片(4个刀尖)
4800pcs/insert
高速
High
speed
PR1005
其他公司产品A
Comp.
A
(DCMT
type)
2400个/刀片(2个刀尖)
2400pcs/insert
Medium
speed
PR1025
与以往的(DCMT)A比较，虽然每个刀尖的加工数相同，但由
于PR1025是负角刀片，则每个刀片的加工数可预期为原来的
低速
Low
speed
PR930
2倍。
The
machined
amount
per
one
corner
were
same
level
between
PR1025
and
Comp.
A
(DCMT
type).
Because
PR1025
is
negative
type
and
double-sided
design,
it
machined
2
times
more
workpieces
per
one
insert
compared
with
Comp.
A.
加工用途
Application
连续
Continuous
轻断续
Light
interruption
强断续
Heavy
interruption
(根据客户评价)
Evaluation
from
the
user