TC Series-Head changeable drill-TOTIME | Make it Simple

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> Products > Hole making > Indexable Drills > Head changeable drill

TC Series

High productive head-changeable drill Front end locking Diameter:D12-D33.5mm L/D: 1.5/3/5/8/10/12

Features

Features

1. Reserve 1.5mm-3mm regrinding allowance for the drill head, which can further reduce tool costs.

2. Interchangeable drill head and high rigidity alloy tool holders greatly improve machiningaccuracy and efficiency.

3. The drill head and holder adopt a radial tooth design, which effectively meets the requirementsof high precision and high strength.

4. The intemal coolant design can fully cool the drill tip, extend tool life, and make chip removal smoother.

5.Optimized spiral design makes chip removal smoother.

6. The strengthened edge treatment significantly improves the processing life.

7. Replacing drill head is fast and convenient, without the need to remove the tool holder from themachine tool.

Inserts & Grades

Inserts & Grades

for Ordinary Steel

Diameter:D12-D33.5mm

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for Soft Steel and Cast iron

Diameter:D12-D33.5mm

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for Stainless Steel

Diameter:D12-D33.5mm

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Drill bodies

Drill bodies

Diameter:D12-33.5mm
L/D: 1.5/3/5/8/10/12

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Srandard cutting conditions

Srandard cutting conditions

ISO	Workpiece material	Hardness	First choice	Cutting speed	Diameter （mm）	12-16	16-20	20-33.5
ISO	Workpiece material	Hardness	First choice	Vc(m/min)	Diameter （mm）	12-16	16-20	20-33.5
P	Low Carbon Steel	≤HB250	TCEA	80-120	Feed (mm/rev)	0.15-0.30	0.15-0.30	0.15-0.35
	Alloy Steel	HB250-320	TCPA	70-120		0.15-0.30	0.15-0.30	0.15-0.35
	Hardened Steel	≤HRC45	TCPA	40-90		0.10-0.20	0.10-0.20	0.15-0.25
M	Stainless Steel	≤HB200	TCMA	50-90		0.10-0.20	0.10-0.20	0.15-0.25
K	Gray Cast Iron	-	TCEA	50-100		0.15-0.30	0.15-0.35	0.15-0.40
K	Ductile Cast Iron	-	TCEA	50-90		0.15-0.30	0.15-0.35	0.15-0.35

Practical examples

Practical examples

Workingpiece Type		Gear ring	Flange
Drill holder		TC05-320-XP32	TC03-260-XP32/TC10-260-XP32
Drill head		TCPA3200	TCMA2650
Work Material		42CrMo（HRC38）	2Cr13(HB210)
Work Material
Cutting Conditions	Cutting Speed：Vc（m/min）	100	46
	Feed：f（mm/rev）	0.2	0.12
	Feed Rate：Vf（mm/min)	160	66
	Drilling depth：H（mm)	165	240
	Tool life	40m	15m
	Cooling Form	Coolant	Coolant
	Machine	CNC machine	CNC machine
Result