CoroCut® QD

The most reliable system for parting off

Overview

How to use

Success stories

Assortment

MX shaft manufacturing test

CoroCut® QD paired with -RM geometry generated longer tool life and better chip control than the competitor.

Component:	MX shaft
Material:	42CrMo4+QT
Operation:	Grooving operation
Machine	Niles Simmons N30
Coolant:	MX shaft

100%

Tool life

	CoroCut® QD	Competitor
Insert	QD-NK-0600-RM 4335	QD-NN1H60C25AY
n, rpm (rev/min)	290	290
v_c m/min (ft/min)	160–180 (525–591)	160–180 (525–591)
f_n mm/rev (in/rev)	0.3 (0.012)	0.3 (0.012)
a_p mm (inch)	2.7 (0.106)	2.7 (0.106)
Tool life:	2 components	1 component

Parting off with Y-axis parting GERMANY

Component:	CoroChuck™ 930
Material:	X40 and 16MnCr5 Ø102 mm
Operation:	Parting off
Machine	Gildemeister GMX400 & STAMA MC734/MT-2C

Higher feed rate

	Reference	Recommended
Tool	QD-NN2H60C25A	QD-NN1H60C25AY
Insert	QD-NH-0400-0003-CR 1125	QD-NH-0400-0003-CR 1125
v_c m/min (ft/min)	120 (394)	120 (394)
f_n mm/rev (in/rev), X40 material	0.10 (0.004)	0.30 (0.012)
f_n mm/rev (in/rev), 16MnCr5 material	0.15 (0.006)	0.35 (0.014)

Machining the pump adaptor USA

Challenge

The customer was looking for a solution to solve issues with unpredictable tool life and poor productivity.Results

Several hundred percent more pieces per edge and a shortened production time.

Advantages of changing to CoroCut QD

Improved tool life, from 150 to 600 pieces per edge
Increased productivity by 43%
34 hours saved in production time

CoroCut QD could machine four times the number of components per cutting edge, in a much shorter time.

Operation	Parting off bar, Ø46 mm (1.81 inch)
Workpiece material	Stainless steel, P5.0.2.PH (320 HB)
Tool	QD-NG-0300-0003-CR 1135
Insert	QS-QD-RFG26C2525D

+300%

tool life

	CoroCut QD	Competitor
Time in cut (min)	47	140
v_c m/min (ft/min)	91.4 (300)	64 (210)
f_n mm/r (in/rev)	0.076 (0.003)	0.089 (0.0035)
Tool life (pcs)	600	150

Parting off bar CHINA

At higher cutting data, CoroCut QD increased tool life with 83 percent. This thanks to over- and under coolant, the rigid clamping and the strong insert coating.

Operation	Parting off bar, Ø46 mm (1.81 inch)
Workpiece material	Stainless steel, P5.0.2.PH (320 HB)
Tool	QD-NG-0300-0003-CR 1135
Insert	QS-QD-RFG26C2525D

CoroCut QD

Competitor

+83%

tool life

	CoroCut QD	Competitor
v_c m/min (ft/min)	105 (344)	90
f_n mm/r (in/rev	0.17 (0.007)	0.15 (0.006)
Tool life (pcs)	220	120

Parting off steel INDIA

By using 2 mm inserts CoroCut QD gave material savings of 33% and increased tool life by 116%.

Operation	OD Parting Off 15mm (0.59 inch) deep (Ring OD 118 & ID 89)
Workpiece material	High Alloy steel, CMC 2.2, 220 BHN.
Tool	QD-RLFE20-2525A
Insert	QD –NE-0200-001 -CF 1125

CoroCut QD

Competitor

	CoroCut QD (2 mm)	Competitor (3 mm)
v_c m/min (ft/min)	80 (262)	80 (262)
f_n mm/r (in/rev	0.06 (0.0024)	0.05 (0.0020)
Tool life (pcs)	65	30
Saving in material /comp	1 mm (0.04 inch)	-

Parting off ITALY

At much higher cutting data, CoroCut QD completed the components more than three times faster than the competitor.

Operation	Parting off
Workpiece material	CMC 15.21, 280HB.
Tool	QD-NN2H60C25A
Insert	QD-NH-0400-0002-CO

+ 200%
productivity increase

	CoroCut QD, 1135	Competitor
v_c m/min (ft/min)	40 (131.2)	20 (66.7)
f_n mm/r (in/rev)	0.06 (0.0024)	0.04 (0.0016)

Results	CoroCut QD	Competitor
Tool life (pcs)	10	10
Time in cut (minutes)	16.4	49.1

Parting off titanium GERMANY

350% more tool life with CoroCut QD.

Operation	Parting off, Ø 41 down Ø 23 mm
Industry	Medical
Workpiece material	Titanium, Ti6Al4V 3.7165, CMC 23.22, 330HB
Tool	QD-RR1G33C25A
Insert	QD-NG-0300-0002-CM H13A

+350%
tool life

	CoroCut QD	Competitor
v_c m/min (ft/min)	42 (138)	45 (148)
f_n mm/r (in/rev)	0.14 (0.006)	0.125 (0.005)
Tool life (pcs)	180	40

Tool life, pcs
CoroCut QD	Competitor

Parting off steel tube BRAZIL

CoroCut QD could machine more than twice the amount of components compared to the competitor.

Operation	Parting off tube, Ø70 mm (2.76 inch)
Workpiece material	Steel, P2.2.Z.AN (195HB)
Tool	QD-RFG26-2525A
Insert	QD-NG-0300-0002-CM, GC1125

+ 122%
tool life

	CoroCut QD	Competitor
v_c m/min (ft/min)	100 (328)	90 (295)
f_n mm/r (in/rev)	0.1 (0.004)	0.07 (0.003)
Tool life (pcs)	100	45

Tool life, pcs
CoroCut QD	Competitor

Parting off steel bar CANADA

CoroCut QD more than doubled the tool life when parted off this bar with a parting blade.

Operation	OD Parting Off 15mm (0.59 inch) deep (Ring OD 118 & ID 89)
Workpiece Material	High Alloy steel CMC 2.2 220 BHN.
Tool	QD-RLFE20-2525A
Insert	QD –NE-0200-001 -CF 1125

	CoroCut QD (2 mm)	Competitor (3 mm)
v_c m/min (ft/min)	80 (262)	80 (262)
f_n mm/rev (in/rev)	0.06 (0.0024)	0.05 (0.0020)
nent	1.25	1.5

Results	CoroCut QD	Competitor
Tool life (pcs)	65	30
Tool life increase	116%	-
Saving in material /comp	1 mm (0.04 inch)	-

Tool life, pcs
CoroCut QD	Competitor

Parting titanium bar GERMANY

CoroCut QD enabled a big increase in the number of completed components. The next step is to raise coolant pressure to increase tool duration further.

Diameter	41 mm (1.6 inch)
Material	Ti6Al4V 3.7165, 330 HB
Tool	QD-RR1G33C25A
Insert	QD-NG-0300-0002-CM H13A

+ 450%
tool life

	CoroCut QD	Competitor
v_c m/min (ft/min)	42 (138)	45 (148)
f_n mm/r (in/rev)	0.14 (0.006)	0.125 (0.005)
Tool life (pcs)	180	40

Tool life, pcs
CoroCut QD	Competitor

Parting steel bar USA

CoroCut QD completed 4 times the number of components for this customer in a shorter time, thanks to a large increase in productivity and better chip control.

Diameter	76 mm (3.0 inch)
Material	Steel, AISI 12L14
Tool	QD-NN2H60 C25A
Insert	QD-LH-0400-0502-CM 1125

+ 400%
tool life

	CoroCut QD	Competitor
v_c m/min (ft/min)	182.9 (600)	64 (210)
f_n mm/r (in/rev)	0.25 (0.010)	0.05 (0.002)
Tool life (pcs)	100	20