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VAC Series Carbide 4-Flute Uneven Lead Square End Mill (VAC-VHEM4R6)

VAC Series Carbide 4-Flute Uneven Lead Square End Mill VAC-VHEM4R6
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[Features]
·Demonstrates high performance in processing general steel, SUS304, and heat-treated steel (up to 50 HRC)
·Suppresses chattering with unequal lead and unequal flutes
·Ultra-fine particle cemented carbide base material and coating with excellent adhesion and heat resistance are adopted
·Stable machining is possible while maintaining finished surface accuracy
·Coating with excellent lubricity provides stable abrasion resistance and improves shape accuracy of workpiece (VAC coating has weak electrical conductivity. Please be careful when using an electrical tool setter.)
·Can be regrinded. Please refer to the page dedicated to "regrinding service" for usage procedures, range of services, prices, etc.

VAC Series Carbide 4-Flute Uneven Lead Square End Mill:Related Image

Features of VAC Unequal Leads

VAC Series Carbide 4-Flute Uneven Lead Square End Mill:Related Image

Unequal Leads + Unequal Division = Suppressed Chatter Vibration

Design with Features to Suppress Vibration
Clean surface finish of machined objects

[ What are unequal leads? ]
By changing the twist angles of each cutting edge of the same end mill, attenuation of generated vibrations is encouraged which leads to suppressed chatter.

 

VAC Series Carbide 4-Flute Uneven Lead Square End Mill:Related Image
[ What are unequal divisions? ]
The periodicity of the tool vibrations when cutting are cancelled by making the divisions at the bottom of the blade unequal

 

VAC Series Carbide 4-Flute Uneven Lead Square End Mill:Related Image
Processing Method Side Milling Work Material SUS304 Coolant Water-Soluble
Number of revolutions 4100RPM Feed 430mm/min Cut Volume Ad:9mm Rd:0.3mm
[ Chatter Vibration Comparison ]
Drastically reduced tool vibration by adopting unequal leads / unequal divisions. Capable of even more stable machining

●Work Material: for S45C (HRc20)

VAC Series Carbide 4-Flute Uneven Lead Square End Mill:Related Image

Processing Method Side Milling Number of revolutions 4700RPM Feed 770mm/min Cut Volume Ad:9mm 
Rd:1.2mm

●Work Material: for SUS304

VAC Series Carbide 4-Flute Uneven Lead Square End Mill:Related Image

Processing Method Side Milling Number of revolutions 4100RPM Feed 430mm/min Cut Volume Ad:9mm 
Rd:1.2mm

VAC Unequal Leads - Machining Test Results

VAC Unequal Lead End Mill (φ10) Cutting Example

VAC Series Carbide 4-Flute Uneven Lead Square End Mill:Related Image

Work Material SUS304 Processing Method Side Face Cutting Coolant Water-Soluble
Number of revolutions 3183RPM Feed 509mm/min Cut Volume Ad:10mm Rd:5mm
Part Number
VAC-VHEM4R6
Part NumberMinimum order quantityVolume DiscountDays to Ship Outer Diameter (D)
(φ)
Flute Length (ℓ)
(mm)
Shank Diameter (d)
(mm)
Overall Length (L)
(mm)
Figure
1 Piece(s)Available

8 Days or more

6156602

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  1. 1

Specifications

VAC Series Carbide 4-Flute Uneven Lead Square End Mill:Related Image

 Model Number
VAC-VHEM4R

Model Number   Flute Length ℓ Overall Length L Shank Diameter d Figure
Flute Diameter D
VAC-VHEM4R 2 6 50 6 1
2.5 7 50 6 1
3 8 50 6 1
4 10 50 6 1
5 15 60 6 1
6 15 60 6 2
8 20 70 8 2
10 25 75 10 2
12 30 80 12 2
16 40 100 16 2
20 45 100 20 2

Example


High efficiency machining can be realized by suppressing chattering through the use of "unequal lead."
Smooth chip discharge is achieved using an optimum groove geometry.
[ ! ] The electrical conductivity is minimal.

Basic Information

Work Material General Steel / Heat-Treated Steel / High-Hardness Steel ~ HRC55 / Stainless Steel / Cast Iron / Aluminum Alloy / Titanium Alloy / Copper Alloy Number of Flutes(sheet) 4 Model Square
Processing Applications Flat Surface / Side Surface / Groove / Thrust (Z-Feed) / Inclined Cutting / Countersunk

Please check the type/dimensions/specifications of the part VAC-VHEM4R6 in the VAC Series Carbide 4-Flute Uneven Lead Square End Mill series.

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