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®
Tiny Tools
CMR Cutting Data and General Recommendations
Coolant fluid
Dry machining should not be performed under any circumstances.
It is necessary to use an internal coolant in all applications.
Oil or Emulsion lubricants are recommended for best performance.
In the event of low coolant pressure, adding an external coolant can improve the tool
operation.
The cooling stream is designed to provide three benefits:
1. Cooling the cutting edge of the tool, and the contact area.
2. Pushing the chip away from the tool quickly, thereby reducing wear of the edge.
3. Helping to break the chip into smaller pieces and evacuating them from the cutting area.
ISO Materials Cutting Speed m/min
Standard
Low and Medium Carbon Steels <0.55%C 20- 75
P High CarbonSteels 0.55%C 20- 75
Alloy Steels, Treated Steels 20- 60
Stainless Steels - Free Cutting 20- 60
M Stainless Steels - Austenitic 20- 50
Cast Steels 20- 70
K Cast Iron 20- 90
Aluminum 12%Si, Copper 40-150
N Aluminum >12% Si 20-100
Synthetics, Duroplastics, Thermoplastics 40-150
S Nickel Alloys, Titanium Alloys 15- 60
H Hardened Steels
Recommended Feed Rate: 0.01 - 0.03 mm/rev
HK Broaching Tools for Hexagon Keys
The HK broaching system have been developed to machine internal keyways inside blind or
through holes, using CNC machines.
Working Demo
To use with Carmex standard SIM Bar Holders
The holder can be located directly in the turret
or the machine spindle
Holder with rear clamping screw for full support
during operation
Available in BMK Grade only.
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