NBR Rough Boring Head

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Overview
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Product Features

●Boring Range: Φ32～Φ153

● trapezoidal boss structure, can be completely interchangeable with BIG TWN rough boring cutter, including the rough boring cutter holder, cutter body length, machining range are exactly the same

● cutter body length is short, the joint of rigid foot

● Cutter base and cutter body is ground processing, the connection stability is good

● it is suitable for processing under unstable working condition

Steel
Stainless steel
Cast iron
Non-ferrous metal
Super Heat resistant alloy
Hardened steel

Product Ranges

NBR Rough Boring Head

NBR系列粗镗刀.jpg

Designation	Dc	D2	X1	Z	Fig	Kg	Cartridge
NBR D32.K32.22	32-42	30	22	2	A	0.15	N90 D32.3242.CC09
NBR D32.K32.22	41-51	30	22	2	A	0.15	N90 D32.4151.CC09
NBR D40.K40.27	41-54	39	27	2	A	0.3	N90 D40.4154.CC09
NBR D40.K40.27	53-66	39	27	2	A	0.3	N90 D40.5366.CC09
NBR D50.K50.32	53-70	49	32	2	A	0.56	N90 D50.5370.CC12
NBR D50.K50.32	69-86	49	32	2	A	0.56	N90 D50.6986.CC12
NBR D63.K63.42	68-90	63	42	2	A	1.21	N90 D63.6890.CC12
NBR D63.K63.42	88-110	63	42	2	A	1.21	N90 D63.88110.CC12
NBR D90.K63.40	98-126	63	40	2	B	1.67	N90 D90.98126.CC12
NBR D90.K63.40	125-153	63	40	2	B	1.67	N90 D90.125153.CC12

●The cartridge should be ordered separately, please click here.

●The adaptor should be ordered separately, please click here.

●Recommended cutting date please click here.

●Scale mark basis.

The scale value for CC06/CC09/TC11/SO06 with R0.4. The scale value for SO09 with R0.6.

The scale value for CC12/SC09/SC12/SO12 with R0.8. The scale value for SO16 with R1.2.

Latest information updating....

加工中照片.jpg 刀具图片.jpg 加工后图片.jpg

Tool information	Existing cutting tool 1	Existing cutting tool 2	Test Tool 2
Brand	BIG	BIG	SOMGDE
Cutter body (cutter head, arbor, Shank) model	SLN200-270(Rough Boring Tool）	SLN200-270（Precision Boring Tool）	SNL 210-290.C
Cutter body (cutter head, arbor, Shank) model	SLN200-270(Rough Boring Tool）	SLN200-270（Precision Boring Tool）	（Coarse and Fine Boring Tool）
Diameter(mm)	240	240	240
Number of teeth	2	1	1
Blade and cutting tool type	CCMT 120408	TCGT110204L AC520U（BIG）	TCGT110204L AC520U(BIG)
Number of blade/blade	2	3	3
Speed(rpm)	210	200	300
Linear Velocity VC(M/min)	158	150	225
Feed rate per tooth(mm/z)	0.107	0.18	0.132
Per feed transfer(mm/rev)	0.214	0.18	0.132
Table/spindle feed(mm/min)	45	36	40
Cutting Depth ap(mm)	4	4	4
Processing Surface roughnessRa		Ra4.0	Ra3.0
Processing length L(mm)	280	280	280
Single piece processing time(S）	373	467	420
Number of work pieces processed		1	1

August 21 test, provided by the customer blade, test knife body size stability, coarse and fine one-way vibration-free knife phenomenon, up and down hole size changes in. 005, save half precision time 6.2 min, test results approved by customers

Latest information updating....

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