Общий каталог Mitsubishi 2020 - 2021 - страница 71
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TURNING INSERTS
WIPER INSERT
What is a Wiper Insert? a Improving Surface Finish
• The wiper insert is designed with a wiper edge that is Under the same machining conditions as conventional breakers, but with the feed rate
situated where the straight edge meets the corner increased, the surface finish of the work material can be improved.
radius. a Improving Efficiency
• In comparison to conventional
Wiper
A High feed rates not only shortened machining times but also make it possible to
combine roughing and finishing operations.
breakers, the surface finish does
not deteriorate even if the feed a Increased Tool Life
TURNING INSERTS
rate is doubled. When a change to high feed conditions, the time required to cut one component is decreased,
• Machining at high feed rates thus more parts can be machined with each insert. In addition, the high feed rate prevents
rubbing, therefore, delaying the progression of wear and increasing the tool life of the insert.
improves cutting efficiency.
a Improving Chip Control
Under high feed conditions, the chips generated become thicker and are more easily
broken, thus, chip control is improved.
Finished surface
Same surface y A wiper insert + machining at high feed rate
Wiper insert roughness Standard insert • Reduced machining time (per work material)
+ + • Increased number of work material (per definitive time period)
High feed (The feed rate is doubled.) The conventional feed condition • Improving chip control
y A wiper insert + machining at conventional feed rate
*Please use a wiper insert at high feed rate. <Cutting Condition> • Eliminating the finishing step by roughing and finishing together
Work material : AISI 1045 (Separate roughing and finishing steps | Single-step machining)
Standard Insert
Insert : CNMG432pp
Surface Roughness
Cutting Speed=655 SFM
Rz(!inch)
Depth of Cut=.059 inch
Wiper Insert
Feed rate=.008 ─ .024 IPR
MW Breaker with flood coolant
• Reducing cycle times
• Increased productivity
• Avoiding Line-Stoppage
Feed f (IPR)
<Ex>The surface roughness does not deteriorate <The Realization of Reduced Costs!!>
even if the feed rate is doubled (.012"→.024")!
y The estimate of finished surface roughness when using a wiper insert
The effects of wiper inserts on external Rz(W)=Rz×0.5
machining, boring and facing. In case the
angle is over
Rz(W) = Finished surface roughness
than 5° when using a wiper insert.
Rz : Finished surface roughness from
conventional conditions.
*The surface roughness when machining at
corner R or taper angle over 5°, is the same
(When using a standard insert)
Effective uses of a wiper insert
as machining with standard inserts.
Non effective uses of a wiper insert
y Special attention is not necessary when using CNMG • WNMG • CCMT types
a No Restriction for Holders End Cutting
a Not Necessary to Adjust
A standard holders can be used. Angle the Machining Program
*
( A double clamp, high rigidity tool is
recommended.)
75° Conventional machining
programs can be used.
End Cutting (The CNMG • WNMG • CCMT
Angle types are based
Non 95° The CNMG type can on the Not
ISO/ANSI.) necessary to
restriction be used as a wiper at
the 100°corner. adjust
y Special attention is necessary when using the DNMX • TNMX types due to the special top face geometry
a Restriction for Holders a Necessary to Adjust
Use a holder with end cutting angle 93° for improving wiper efficiency. A holder with end the Machining Program
cutting angle 91° can improve wiper efficiency (see the following figure), however, there is no When machining errors occur, please
wiper efficiency with other end cutting Ex):Theoretical surface roughness of adjust the program.
angles (60°, 90°, 107°etc.). holders in using the TNMX160412-MW. (The DNMX•TNMX types are not
based on the ISO/ANSI. Please
Roughness Rz (!inch)
The hole geometry of the DNMX and TNMX type are refer to the next page.)
the same as the DNMG and TNMG types. The "X" Standard nose radius Standard corner
Theoretical Surface
represents the special geometry of the Corner point. radius
Wiper corner
radius
End Cutting Angle
93° Adjustment
(Specified) necessary
Feed f (IPR) <Example of insert point>
A032
WIPER INSERT
What is a Wiper Insert? a Improving Surface Finish
• The wiper insert is designed with a wiper edge that is Under the same machining conditions as conventional breakers, but with the feed rate
situated where the straight edge meets the corner increased, the surface finish of the work material can be improved.
radius. a Improving Efficiency
• In comparison to conventional
Wiper
A High feed rates not only shortened machining times but also make it possible to
combine roughing and finishing operations.
breakers, the surface finish does
not deteriorate even if the feed a Increased Tool Life
TURNING INSERTS
rate is doubled. When a change to high feed conditions, the time required to cut one component is decreased,
• Machining at high feed rates thus more parts can be machined with each insert. In addition, the high feed rate prevents
rubbing, therefore, delaying the progression of wear and increasing the tool life of the insert.
improves cutting efficiency.
a Improving Chip Control
Under high feed conditions, the chips generated become thicker and are more easily
broken, thus, chip control is improved.
Finished surface
Same surface y A wiper insert + machining at high feed rate
Wiper insert roughness Standard insert • Reduced machining time (per work material)
+ + • Increased number of work material (per definitive time period)
High feed (The feed rate is doubled.) The conventional feed condition • Improving chip control
y A wiper insert + machining at conventional feed rate
*Please use a wiper insert at high feed rate. <Cutting Condition> • Eliminating the finishing step by roughing and finishing together
Work material : AISI 1045 (Separate roughing and finishing steps | Single-step machining)
Standard Insert
Insert : CNMG432pp
Surface Roughness
Cutting Speed=655 SFM
Rz(!inch)
Depth of Cut=.059 inch
Wiper Insert
Feed rate=.008 ─ .024 IPR
MW Breaker with flood coolant
• Reducing cycle times
• Increased productivity
• Avoiding Line-Stoppage
Feed f (IPR)
<Ex>The surface roughness does not deteriorate <The Realization of Reduced Costs!!>
even if the feed rate is doubled (.012"→.024")!
y The estimate of finished surface roughness when using a wiper insert
The effects of wiper inserts on external Rz(W)=Rz×0.5
machining, boring and facing. In case the
angle is over
Rz(W) = Finished surface roughness
than 5° when using a wiper insert.
Rz : Finished surface roughness from
conventional conditions.
*The surface roughness when machining at
corner R or taper angle over 5°, is the same
(When using a standard insert)
Effective uses of a wiper insert
as machining with standard inserts.
Non effective uses of a wiper insert
y Special attention is not necessary when using CNMG • WNMG • CCMT types
a No Restriction for Holders End Cutting
a Not Necessary to Adjust
A standard holders can be used. Angle the Machining Program
*
( A double clamp, high rigidity tool is
recommended.)
75° Conventional machining
programs can be used.
End Cutting (The CNMG • WNMG • CCMT
Angle types are based
Non 95° The CNMG type can on the Not
ISO/ANSI.) necessary to
restriction be used as a wiper at
the 100°corner. adjust
y Special attention is necessary when using the DNMX • TNMX types due to the special top face geometry
a Restriction for Holders a Necessary to Adjust
Use a holder with end cutting angle 93° for improving wiper efficiency. A holder with end the Machining Program
cutting angle 91° can improve wiper efficiency (see the following figure), however, there is no When machining errors occur, please
wiper efficiency with other end cutting Ex):Theoretical surface roughness of adjust the program.
angles (60°, 90°, 107°etc.). holders in using the TNMX160412-MW. (The DNMX•TNMX types are not
based on the ISO/ANSI. Please
Roughness Rz (!inch)
The hole geometry of the DNMX and TNMX type are refer to the next page.)
the same as the DNMG and TNMG types. The "X" Standard nose radius Standard corner
Theoretical Surface
represents the special geometry of the Corner point. radius
Wiper corner
radius
End Cutting Angle
93° Adjustment
(Specified) necessary
Feed f (IPR) <Example of insert point>
A032