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Rich Mill RM4 90° Milling System
With strong inserts & 4 cutting edges for cost-effective machining
The most economical 90° Korloy milling system, with inserts double the thickness of similar systems
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Advantages
Economical Milling
Double sided insert gives 4 usable cutting edges, offering long-term savings
Through Coolant
Reduces cutting heat for improved chip control and tool life
Wide Application Range
Ideal for shoulder milling, facing, helical cutting & ramping
Metal Removal
Extra thick negative insert design for large depths of cut and high feed rates
Features
RM4Z Plunge Milling
Horizontally mounted inserts offer large depth of cut in plunge milling
High Rake Angle
High rake chipbreaker combined with strong cutting edge for long tool life
Lightweight Machining
Versatile system with chipbreakers for lightweight machine tools
Insert Mounting
Vertically mounted inserts give large depth of cut in shoulder and face milling
Rich Mill RM4 Inserts
Insert Designation:
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LNMX - Standard Tolerance
LNEX - Ground Tolerance & Non-Ferrous
Rich Mill RM4 inserts are double sided and feature 4 cutting edges in total.
The high rake angle chip breaker and step design improves chip control and reduces cutting load.
The unique cutting edges ensure better surface roughness.
Chip Breaker Guide
| Chipbreaker | Cutting Edge | Application | Description |
|---|---|---|---|
| MA |  |
Aluminium | Optimal cutting edge, high positive rake and buffed surface prevents built up edge and smooth chip flow in aluminium machining |
| MF |  |
Light Cutting / Finishing / Soft Steel | Chip breaker with low cutting load and sharper cutting edge. Excellent for finishing operations, general milling of soft steels and also ideal for low power machines due to low cutting resistance |
| MM |  |
General Machining | Optimal for milling in general machining conditions |
Grade Guide
| Grade | Chipbreaker | Materials | Features & Benefits |
|---|---|---|---|
| PC3700 | MM MF |
Steel <40 HRC |
Dedicated steel grade for continuous-light interrupted cutting at medium-high surface speeds. Provides advanced performance & maximum efficiency. |
| PC5300 | MM MF |
Steel <40 HRC
Stainless Steel
HRSA's
Cast Iron
|
General PVD coated grade with high toughness for longer tool life. Suitable for light-heavy interrupted cutting at medium-high surface speeds. |
| PC5400 | MM MF |
Steel <35 HRC
Stainless Steel
HRSA's
Cast Iron
|
General purpose grade with excellent wear resistance & surface roughness when low speed machining. Ideal for continuous-heavy interrupted cutting. |
| PC6510 | MM MF |
Cast Iron |
Specialised grade for multi-purpose milling applications of cast iron. Suitable for continuous-light interrupted cutting at medium-high surface speeds. |
| PC9530 | MM MF |
Stainless Steel |
Ultra fine substrate for medium & roughing in stainless steel milling. Ideal for high feed continuous-light interrupted cutting. |
| H01 (Uncoated) | MA | Non-Ferrous |
Dedicated non ferrous grade for high speed, high feed milling & mirror surface finish. Uncoated polished grade for maximum swarf control in medium-high speed cutting. |
Application
Material Suitability
| Material | Excellent | Good |
|---|---|---|
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Steel
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Hardened Steel
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Stainless Steel
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HRSA's
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Cast Iron
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Aluminium & Non-Ferrous
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Possible Machining Methods
Face Milling
Trochoidal Milling
Side Cutting
Slotting
Circular Interpolation
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