Jin-Jian Enterprise Co., Ltd. Jin-Jian Optronics Co., Ltd.

Milling Series

JRR series
JR series
JCB series
BGA series
JLR series
JLRR series

 

 

Products

Material Composition:

Grade

6UF

Composition

碳化鎢93%", 6%hra,鈦、釩、鉭、其他1%

Density

14.75 g/cm³

WC

UF

Hardness

2050 HV, 94.4 HRA

Transverse Rupture Strength

2850 N/mm²

Compressive Strength

9000 N/mm²

Fracture Toughness

8 MN/m

Accelerated Weathering

5.3 ×10-6/

Thermal Conductivity Coefficient

85 W/m

Recommended operating parameter (for FR-4 material)

Diameter(D)
+0   -0.03

Flute Length(I)
+0.03   -0

Spindle Speed
(rpm/min)

Feed Rate
(m/min)

0.5mm(BGA)

3mm

41k-43k

0.2-0.3

0.6mm(BGA)

3mm

41k-43k

0.2-0.3

0.7mm(BGA)

3mm/4mm

41k-43k

0.2-0.3

0.8mm

4.5mm/5mm/5.5mm

38k-42k

0.4-0.5

0.9mm

6mm

38k-42k

0.4-0.5

1.0mm

6mm/7mm

38k-40k

0.5-0.6

1.1mm

7mm

33k-36k

0.5-0.6

1.2mm

6mm/7mm

33k-36k

0.6-0.7

1.3mm

7mm

33k-35k

0.6-0.7

1.4mm

7mm

33k-35k

0.7-0.8

1.5mm

8mm/9mm

33k-35k

0.7-0.8

1.6mm

8mm

33k-35k

0.8-0.9

1.7mm

8mm

30k-33k

0.8-0.9

1.8mm

9.5mm

30k-33k

0.9-1.0

1.85mm

9.5mm

30k-33k

0.9-1.0

1.9mm

9.5mm

30k-33k

0.9-1.0

2.0mm

10.5mm/11.5mm

30k-32k

0.9-1.0

2.3mm

11.5mm

28k-30k

0.9-1.0

2.38mm

11.5mm

28k-30k

1.0-1.2

2.4mm

10.5mm/11.5mm

28k-30k

1.0-1.2

2.5mm

11.5mm

28k-30k

1.0-1.2

2.7mm

10.5mm

20k-22k

1.0-1.2

2.9mm

11.5mm

18k-23k

1.0-1.2

3.0mm

12mm

18k-23k

1.0-1.2

3.175mm

12mm

18k-23k

1.0-1.2

Method of calculation for required flute length base on PCB stack height:

Required Flute Length = Clearance for material removal + Surface board thickness + Stack height + Depth of tool in base board

Our Products:

1.JRR series:

Features:

Suitable for tooling up the edge of PCB and groove cutter. In addition to diamond eye cutting shape, it functions well to release cutting waste. Smooth processing board face is designed to lengthen the cutter life. [More Info...]

2.JR series:

Features:

Milling cutter with a right-turn blade edge is designed for board sides requiring high precision. It is suitable for PCB golden-finger surface processing and precision board edge trimming.[More Info...]

3.JCB series:

Features:

Right-turn cutter with wide and deep blade groove.
Left-turn cutter in delicate lineup is applicable to paperboards, naked copper boards and various super hard boards.[More Info...]

4.BGA series:

Features:

Suitable for tooling up the edge of BGA and groove cutter. In addition to diamond eye cutting shape, it functions well to release cutting waste.
Smooth processing board face is designed to lengthen the cutter life.[More Info...]

5.JLR series:

Features:

Milling cutter with a Left-turn blade edge is designed for board sides requiring high precision. It is suitable for PCB golden-finger surface processing and precision board edge trimming.[More Info...]

6.JLRR series:

Features:

Suitable for tooling up edge of PCB and groove cutter. In addition to diamond eye cutting shape, it functions well to release cutting waste.
Smooth processing board face is designed to lengthen the cutter life.[More Info...]

JRR series / JR series / JCB series / BGA series / JLR series / JLRR series

 

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Jin-Jian Enterprise Co., Ltd.
Jin-Jian Optronics Co., Ltd.

http://www.jin-jian.com.tw