CASE STUDY
Industry Die & Mold
Application Profile Milling
Part Electrode
Process
Challenge The customer needed to save time machining electrodes.
Solution Colibri’s TJS GJET-ST20 Jet Spindle model
Result 57.4% time savings per part
 CONDITIONS
Machine
Coolant Pressure & Flow rate
Holder Type
Material & Hardness Copper C11000ASTMB 152
Cutting Tool
Tool Supplier
Fz (min)
Operation Semi Finishing Finishing
Test Data Machine Spindle Jet Spindle Machine Spindle Jet Spindle
Cutting Tool Ball Nose Ball Nose
Diameter (mm) 2.0 1.0
No. of Teeth 2 2
Spindle Speed (rpm) 10,000 35,000 11,000 35,000
Cutting Speed (VC M/min) 63 220 35 110
Depth of Cut (mm) 0.08 0.04
Width of Cut (mm) 0.08 0.04
Run Out (micron) 7 5 6 4
Feed Per Tooth fz (mm/t) 0.05 0.037 0.027 0.021
Table Feed f(mm/min) 1,000 2,600 600 1,500
Table Feed f(mm/min) 1,000 2,600 600 1,500
Machining Time (min) per part 17 10 30 10
Total Machining Time (min) per part 47 20

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TJS-20K/30K/40K: BT30/40

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