NBF Fine Boring Head for Small Hole

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Product Features

● boring range: Φ20-Φ212

● boring tool adjustment accuracy 0.01 mm/lattice

● By replacing tool bases of different specifications, the scope of boring can be expanded and the number of boring tool stocks can be reduced

● Positive and negative boring can be carried out by changing the installation direction of the cutter base

● Tool holders with different types of blades can be selected

● FRB 16... The above newly added root cleaning groove cutter head

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

Product Ranges

NBF Fine Boring Head for Small Hole

NBF系列微调精镗刀.jpg

Designation	Dc	D1	D2	L	L1	Fig	Kg	Cartridge
NBF D19.E25.65.C	20-26	19	25	80	65	A	0.18	FRB 10A…
	25-31	19	25	80	65	A	0.18	FRB 10B…
	30-36	19	25	80	65	A	0.18	FRB 10C…
NBF D25.E25.80.C	26-34	-	25	80	-	B	0.28	FRB 12A…
	33-41	-	25	80	-	B	0.28	FRB 12B…
	40-48	-	25	80	-	B	0.28	FRB 12C…
NBF D32.E32.80.C	33-43	-	32	80	-	B	0.17	FRB 16A…
	42-52	-	32	80	-	B	0.17	FRB 16B…
	51-61	-	32	80	-	B	0.17	FRB 16C…
NBF D40.E40.80.C	42-54	-	40	80	-	B	0.75	FRB 20A…
	53-65	-	40	80	-	B	0.75	FRB 20B…
	64-76	-	40	80	-	B	0.75	FRB 20C…
NBF D50.E50.90.C	53-69	-	50	90	-	B	1.31	FRB 25A…
	68-84	-	50	90	-	B	1.31	FRB 25B…
	83-99	-	50	90	-	B	1.31	FRB 25C…
NBF D63.E63.100.C	68-100	-	63	100	-	B	2.33	FRB 30A…
	98-130	-	63	100	-	B	2.33	FRB 30B…
	128-160	-	63	100	-	B	2.33	FRB 30C…
NBF D100.E63.100.C	100-152	100	63	100	-	C	3.24	FRB 30A…
	130-182	100	63	100	-	C	3.24	FRB 30B…
	160-212	100	63	100	-	C	3.24	FRB 30C…
NBF D80.E80.100.C	88-120	-	80	100	-	B	3.86	FRB 30A…
	118-150	-	80	100	-	B	3.86	FRB 30B…
	148-180	-	80	100	-	B	3.86	FRB 30C…
NBF D100.E80.100.C	100-152	100	80	100	-	C	4.37	FRB 30A…
	130-182	100	80	100	-	C	4.37	FRB 30B…
	160-212	100	80	100	-	C	4.37	FRB 30C…

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

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

●Recommondation for selecting the ball screw with lock screw, please click here.

●The diameter range De is the value that the radius of insert of FRB 10 cartridge is R0.2, and

the radius of insert of FRB 12/16/20/25/30 cartridge is R0.4.

●Recommend cutting data please click here.

NBF Fine Boring Head for Small Hole

NBF系列微调精镗刀（反精镗加工示意）.jpg

Designation	Dc	D1	D2	L	L1	L2	Fig	Kg	Cartridge
NBF D19.E25.65.C	30-36	19	25	80	44.5	15.5	A	0.18	FRB 10C...
NBF D25.E25.80.C	36-41	25	25	80	55	-	B	0.28	FRB 12B...
NBF D25.E25.80.C	40-48	25	25	80	55	-	B	0.28	FRB 12C...
NBF D32.E32.80.C	47-52	32	32	80	51	-	B	0.47	FRB 16B...
NBF D32.E32.80.C	51-61	32	32	80	51	-	B	0.47	FRB 16C...
NBF D40.E40.80.C	55-65	40	40	80	46	-	B	0.75	FRB 20B...
NBF D40.E40.80.C	64-76	40	40	80	46	-	B	0.75	FRB 20C...
NBF D50.E50.90.C	62-69	50	50	90	50	-	B	1.31	FRB 25A...
	68-84	50	50	90	50	-	B	1.31	FRB 25B...
	83-99	50	50	90	50	-	B	1.31	FRB 25C...
NBF D63.E63.100.C	80-100	63	63	100	54	-	B	2.33	FRB 30A...
	98-130	63	63	100	54	-	B	2.33	FRB 30B...
	128-160	63	63	100	54	-	B	2.33	FRB 30C...
NBF D100.E63.100.C	112-152	100	63	100	54	6.5	C	3.24	FRB 30A...
	130-182	100	63	100	54	6.5	C	3.24	FRB 30B...
	160-212	100	63	100	54	6.5	C	3.24	FRB 30C...
NBF D80.E80.100.C	100-120	80	80	100	54	-	B	3.86	FRB 30A...
	118-150	80	80	100	54	-	B	3.86	FRB 30B...
	148-180	80	80	100	54	-	B	3.86	FRB 30C...
NBF D100.E80.100.C	112-152	100	80	100	54	6.5	C	4.37	FRB 30A...
	130-182	100	80	100	54	6.5	C	4.37	FRB 30B...
	160-212	100	80	100	54	6.5	C	4.37	FRB 30C...

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

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

●The tool should be rotated by the anticlockwise direction when machining.

●The diameter range De is the value of the radius of insert of FRB 10 cartridge is R0.2, and the radius of insert of FRB 12/16/20/25/30 cartridge is R0.4.

●Recommended cutting data please click here.

●Minimum via diameter Dmin=(Dc+D1)/2+1.

如何使用.jpg

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.

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NBF Fine Boring Head for Small Hole

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